High Proformance LPG Cylinder/Water Geyser Circumferential Seam Body Welding Machine

High Proformance LPG Cylinder/Water Geyser Circumferential Seam Body Welding Machine

High-Quality LPG Gas Cylinder Circumference MIG Welding Machine / Body Welding Machine

I. Full automatic welding line ( machinery list)

Single circumferential seam welding machine

Details:
Welding torch


Welding source


Welding tracing system:




II. Technical parameter:

A. Automatic trimming & polishing machine

This machine is used for upper/lower cap trimming, edge welding part outer polishing. The main shaft motor is 5.5KW, the polishing motor is 1.5KW.

The machine uses four column hydraulic presser structure, PLC control, loading/unloading by mechanical arm, the center mould rotation is driven by motor and gear case, the cover is driven by the top oil cylinder to locate and press the workpiece, hydraulic system drives outer blade feeding, the outer blade follows by the inner blade dish on the main shaft and cap workpiece to rotate and cutting. Side has a polishing machine, the polishing dish will enter to remove the dust on the upper cap welding area, then rotation trimming and polishing complete at the same time. The outer blade and polishing dish reset, the main oil cylinder driven slider reset, and the support plaaet will rise the upper cap and flash in place. The unloading mechanical arm moves into the center of the mould to remove the workpiecce to the middle conveyor, then transfer to a hole punching machine. The inner/outer blade uses high wear-resistant high toughness die steel material, long working life, it can reuse after processing by the surface grinding machine, The inner/outer blade gap is 0mm, the distance between the cutting into the outer blade and inner blade is 0.2mm.

2 set equipment has independent hydraulic station No.1 and No.4, vane pump, 11KW. Each hydraulic station feeding the oil to two sets oil cylinders of the equipment, is drive slider lifting and outer blade feeding reset, the machine working pressure set value: outer blade 9 MPa, slider (cover): 9MPa.

B. Automatic hole punching machine

This machine is used for upper cap hole punching.

The machine uses four column hydraulic presser structure, PLC control, loading/unloading by mechanical arm, the mechanical arm will quit after pushing the workpiece into the support pallet, the slider falling down is driven by the top oil cylinder, the cap enters into the lower mould, the upper mould continuous moving down to finish the hole punching, the scrap collect into the aggregate box through the lower mould center hole. The upper mould and slider delay reset, rise the upper cap in place, the unloading mechanical arm enters into the mould center to remove the workpiece to the middle conveyor, then transfer to the socket welding and polishing machine.

Equips with No.5 hydraulic station, 1 set, plunger pump. Setting pressure is 16MPa

C. Socket welding & polishing machine

This machine is used for upper cap socket welding and edge welding part polishing. Equip with Panasonic YD-350GL4 welder 1 set, water cooling welding torch 1 pcs, 8L automatic cycle water cooling tank 1 set. The main shaft motor is 0.75KW. The polishing motor is 1.5KW, equip with the grating security protection.

The machine uses four column hydraulic presser structure, loading/unloading by mechanical arm, front is socket welding, behind is inner polishing, the center mould rotation drives by the motor, adjust speed by Mitsubishi transducer. Put the socket in the upper cap center hole by manual, the top oil cylinder drives the slider moving down, clamp the workpiece, locate and press at one time. After starting the automatic working program, the mould workpiece rotates, the welding torch feeds in, and automatic arc welding. At the same time, the behind inner polishing dish moves to outside, polishing the upper cap edge welding part. The welding and polishing finish at the same time. After then, the oil cylinder reset, workpiece rises in place, the unloading mechanical arm enters into the mould center to remove the workpiece, and transfer to the handle welding machine through the middle conveyor.

Equip with NO. 6 Hydraulic station, 1 set, vane pump, 5.5KW. Setting pressure: falling 4 MPa, rising 9 MPa.

D. Automatic handle welding machine, 1 set

This machine is used for upper cap handle welding. Equip with three sets welding torch, 3 welders finish at one time. Equip with Panasonic YD-350GL4 welders 3 sets, welding torch 3 pieces. Main shaft motor is 0.4KW, with the grating security protection.

The machine uses four-column hydraulic presser structure, PLC control, loading/unloading by mechanical arm, motor drives the workpiece rotation. Manually put the handle in the upper mold center position which is fixed by the magnet, the loading mechanical arm quit after delivery the upper cap to the mould center position, the oil cylinder falling drives the upper mould and handle press the upper cap in position, the automatic working program starts, the center mould workpiece rotates, three welding torch feeding in at the same time, automatic arc welding. After finish, the oil cylinder resets, and the workpiece rises in place, the unloading mechanical arm enters into the mold center to clamp the upper cap and put on the middle conveyor, then transfer to the assembly & spot welding machine.
Equip with No.7 hydraulic station, vane pump, 5.5KW. Setting pressure: pressing 4MPa, rising 9MPa.

E. Automatic joggling machine

The machine is used for lower cap trimming, joggling and outer polishing. Main shaft 5,5KW, polishing motor 1.5KW.

The machine uses four-column hydraulic presser structure, PLC control, loading/unloading by mechanical arm, motor drives the center mold rotation, the top oil cylinder drive the deflectable upper presser clamp the workpiece, the hydraulic system drives the outer blade feeding in, and do lower cap rotating and joggling. Fter joggling, the outer blade reset, and main oil cylinder drives the slider reset, the support pallet rises the lower cap in place. The unloading mechanical arm enters into the mold center to remove the workpiece to the middle conveyor, then transfer to the bottom base welding machine. The inner/outer blade uses high wear-resistant high toughness die steel material, long working life.

Equip with No.2 hydraulic station, vane pump, 5.5KW. Driving the slider lifting and outer blade feeding and reset. The setting pressure: working pressure 9MPa, outer blade 9MPa, slider (cover) 9MPa.

F. Automatic bottom base welding machine

This machine is used for lower cap bottom base welding, equip with three welding torch, 6 welders could be finished at two times. Equip with Panasonic YD-350GL4 welder 3 sets, welding torch 3 pieces. Main shaft motor 0.4KW, with the grating security protection.

The machine uses a four-column hydraulic presser structure, PLC control, loading/unloading by mechanical arm, motor drives the workpiece rotation. Manually put the bottom base in the upper mold center position which is fixed by the magnet. The loading mechanical arm quits after sending the upper cap to the mold center position. The oil cylinder falls down drives the upper mold and bottom base to press the upper cap in position, the automatic working program start, the center mold workpiece rotates, three welding torch feeding in at the same time, automatic arc welding. After welding, the oil cylinder reset, the workpiece rises in place, the unloading mechanical arm enters into the mold center to clamp the upper cap and put on the middle conveyor.

Equip with No.3 hydraulic station, vane pump, 5.5KW, setting pressure: pressing 4MPa, rising 10MPa.

G. Assembly and spot welding machine

The machine is used for assembling the upper cap and lower cap, vertical type. Air cylinder press-fit equips with press head connection rod, used for both 9kg and 14kg, change the connection rod to switch. Manually put the lower cap on the platform, beside the position, put the handle opener of the upper cap opposite to the bottom base welder joint, then assembly the upper cap into the lower cap jogging part, open the manual control air valve, the above cylinder push the press head on the socket, automatic press the upper and lower cap. Check the lap joint, if necessary, use the wooden hammer to click the lap joint to make it closer, After assembling, manual spot welding, about 2~3 welders for one circle. After welding, manually push the cylinder to the loading conveyor, the handle is in front and bottom base is in behind, the assembly and spot welding machine equips with SuperTIG-315 manual arc welder 1 set.

H. Automatic circumferential welding machine

The machine is used for circumferential welding of upper and lower cap, equip with welder vision tracking system, finish the circumferential welding automatically, full automatic and no operator, each set equips with Panasonic YD-500GS high-speed welder 1 set, water cooling welding torch 1 piece, 8L circle cooling tank 1 piece. Equip with welder vision tracking system 1 set. The electrical control system uses Mitsubishi PLC control unit, Pro-face color touch screen operation screen.

The machine uses a horizontal double shafts structure, the main shaft, and the bottom shaft is the same, air cylinder drives the feeding, the opposite moving clamp is using for clamping or losing the workpiece. The main shaft drives by the speed reducer motor, adjust speed by the Mitsubishi transducer, the main shaft motor power is 0.75KW. The main shaft and bottom shaft have independent welding mold, the welding torch position can be adjusted along the cylinder axes direction, there has fine-tuning in the welding torch, precision fine-tuning the welding torch position. The machine head has a welder vision tracking system, X/Y shaft two-dimension tracking drives the welding torch, X-shaft stepping motor 6N·m, Y-shaft stepping motor 12N·m. The machine head has an exhaust pipe used for concentrating and exhaust the smoke. Equip with magnet mechanical arm device, three working position loading/unloading device, loading/unloading conveyor, unloading raceway.

Note 1.) The arc position of circumferential welding should in the same line with bottom base welder joint; 2.) Before turn off the circumferential welding machine, should turn off the vision tracker first, then turn off the circumferential equipment power.


III. Equipment running in customers' plant




IV. Advantage
A. Reducing labor cost - Our machines can run more than 15 years, only 1 person for taking care of 6 sets of circumferential welding machines.
B. Reducing electricity - welding speed is only 60 seconds for one circle
C. Reducing welding wires - (only one circle welding is necessary).
D. Longer operation life
E. Less spatter - We paid about 2 million for Patent of YD-500GS Panasonic welding machines

V. Certificate


VI. Customers visiting

VII. Company

We are a professional manufacturer of solar water tank manufacturing line, LPG gas cylinder line, fire extinguisher manufacturing line, steel drum welding machine with more than 30years of history.

We are improving technologies all the time and developing the welding machinery market. We provide customers with valued solutions including deep drawing, blanking, longitudinal seam welding, circumferential seam welding, nozzle welding, powder coating, hydro testing, shot blasting equipment, etc..Due to highly automatic, simple operation and reliable quality welding equipment, they are popular and well-accepted in many industries: pressure cylinders, fire extinguishers, solar water tank, enamel water tank, stainless steel tanks, etc..Our machinery have been exported to many countries, such as Russia, US, Australia, Turkey, Vietnam, India, Ukraine, Mexico, etc..

We are a Longterm Company, we will provide Longterm Quality Machinery and Longterm cooperation for customers from all over the world.


Our team


We attend Exhibitions all over the world


Complete Machines of the LPG Cylinder Production Line:
Machine Description for LPG Production Line

1. De-coil and punching machine for small round sheet cutting from a big sheet(material preparing for shell)
Technical data:
Raw material specifications:
Plate Thickness:2-4mm Width of the plate: Max.1170mm
ID of steel coil:450-800mm OD of steel coil: Max.1800mm Weight of steel coil: Max.25T
Coil blanking specification: Ø370-Ø615mm Blanking period:12s/time including auxiliary time

Hydraulic machine technical data
Motor power:46KW Norminal capacity:6300KN Max.working pressure:25Mpa
Slide travel speed:120mm/s
Working table size:2500mm(front+back)*1500mm(left*right)
Weight of decolier:12T Weight of hydraulic press machine:23T


2.63ton hydraulic logo printing machine

3. Hydraulic press drawing the head
Press the round sheet into a shell with dies.


4. Automatic trimming machine
This machine is reliable, easy to operate.
Technical data
Motor power:5.5KW Air pressure:0.6Mpa Trimming time:20s Weight of the machine:1.5T


5. End dish necking machine
Technical data
Motor power:4.5-11kw Air pressure:0.6Mpa Thickness of plate:1-10mm
Necking head diameter:150-1200mm Necking time:10-50s (adjustable)
Weight of machine:1.5-3T


6.Cleaning machine
Technical data
Motor power:1.5kw Polishing motor power:1.5kw*2 Air pressure:0.6Mpa
Polishing wheel feed range:0.2-20mm Efficiency:180Pcs/hour Weight of machine:1.2T


7.Hole punching machine
Punch the hole on the head of the cylinder
Technical data
Motor power:5.5kw Punching speed:180Pcs/hour Weight of machine:1.5T


8.Valve Seat Welding Machine
To complete the welding of valve seat ring joints. Ensure uniform forming, good appearance, weld penetration and weld width meets the technological requirements, the clamping is convenient. Using submerged arc welding technology, girth welding at one time
Technical data
Rated voltage:220V Motor power:0.25kw Air pressure:0.6Mpa


9.Bottom base welding machine
Complete cylinder base girth automatic welding. To ensure concentricity, uniform forming, good appearance, weld penetration, and weld width meet the technological requirements, the clamping is convenient. CO2 gas shield welding process, complete in one-time welding.
Technical data
Current:AC380V+N Motor power:0.55kw Air cylinder pressure:0.5-0.7Mpa


10.Protection enclosure welding machine
Complete cylinder base girth automatic welding. To ensure concentricity, uniform forming, good appearance, weld penetration, and weld width meet the technological requirements, the clamping is convenient. CO2 gas shield welding process, complete in one-time welding.
Technical data
Rated voltage:AC380V Motor power:0.55kw Air cylinder pressure:0.5-0.7Mpa


11.Assembling Machine
To assemble both halves of the cylinder together and get ready for welding
Technical data
Cylinder diameter:250mm Air cylinder pressure:0.5-0.7Mpa


12.Circumferential Seam welding machine

Option NO.1:
Technical data
Voltage:AC380V+N Motor power:0.55KW Rotation speed:Max.10rpm/min (adjustable)
Motor power:0.55kw

Option NO.2:
Technical data
This machine is applied to automated MAG circumferential welding for LPG cylinder, fire extinguisher bottle,etc.
Welding Length:Max.1500mm Ø:250-400mm Thickness:2.5-6mm
This machine price include 1 set Panasonic welding machine(Model:GL3-500A),1 set cooling water device,welding seam tracker.
Producing capacity:250 pcs/8 hrs


13. Gas car-bottom heat treating furnace machine
This furnace is designed to anneal LPG cylinders by applying the flame from the gas burner on the cylinders. It composes, burner, flaming chamber, smoke collector, rails, chain roller, exhaling system.
It feature includes, adjustable time, self-control thermometer, perfect heat treatment result and fire off pollution.

Technical data
Producing efficiency:75pcs/hr Feeding type:Chain drive/cylinder feeding
Cleaning size:Ø320*700mm------Ø420*1250mm
Dimension:(L*W*H):12500*1390*1560mm removable transport

14. Hydrostatic Testing Machine
The machine is special for steel cylinders of liquefied gas cylinders, applicable to manufacturers and testing stations for withstand voltage tests on the cylinder. Irrigation, pressurization, pressure, maintaining centralized control and automatic pouring completed by using a water pump, equipped with a water tank, water can be recycled.
Technical data:
Pneumatic pressure:0.6Mpa Motor power:3kw
Hydrostatic test pressure:3.2Mpa Weight:1.1T


15. Cylinder drying machine
The equipment is used for drying the bottle cylinder after the water pressure test.


16. Shot Blasting Machine
Shot Blasting Machine for LPG Cylinder is predominantly used to clean LPG/CNC/GAS cylinder in a continuous through-feed process, remove remains of casting sand and cores, rust, old paint, visible signs of welding, eliminate surface stress, improve the fatigue strength of the workpiece, increases workpiece film adhesion of the paint job, and ultimately achieve the aim of improving the quality of surface and internal, prepare for surface protection (coloring, enameling, galvanizing, etc.).
Technical data
Producing efficiency:80-120pcs/hr Shot blasting machine:2 sets
Hoist motor power:2.2KW Total power:31.2KW
Weight:16T Workpiece size:Ø320mm*680mm
Machine dimension:(L*W):7885*2460mm


17. Spraying production line
The spraying producing line for U track, using electric or natural gas, fuel oil,coal heating,hot air circulation, the allocation of fixed automatic spray gun 4, manual gun 1. Spraying powder or paint on the steel cylinders appearance.The cylinder into the oven drying after spraying
Technical data
Working voltage:380V 50HZ Air pressure:0.4-0.6Mpa
Total power:15KW Working efficiency:180Pcs/jr

18. Valve mounting machine
The equipment is suitable for the liquefied petroleum gas cylinder angle value installation and use,it absorbs the domestic and foreign advance technology, using electrical control, pneumatic clamping, torque adjustable device, when reaching a certain torque,and go to the specified direction after the automatic shutdown. The machine operation and flexible, convenient and safe
Technical data
Motor power:2.2KW Motor speed:1400r/min
Work spindle speed:15.5r/min Working air pressure:0.5-0.6Mpa
Consumption per hour:1.14m3 Clamping cylinder stroke:120mm
Rotation speed ration:1:59 Weight:0.9T

19. Leakage Air Test Machine
The device for cylinder do tightness test with,composed of a water tank,a lifting cylinder, a bottle feeding machine,electric control part, and other parts,work a bottle-feeding mechanism of automatic cylinder will send to be test station,a lifting cylinder will fall into the water. the operating personnel rotation observations of the cylinder is not leaking cylinder,after the test and the cylinder out of the water, a loop end. This machine is reasonable in structure,simple operation and maintenance.
Technical data
Air pressure:0.6Mpa Testing air pressure:2.2Mpa
Holding pressure time:60s Weight:1.8T