CN101947855B - Automatic welding machine for PE (Poly Ethylene) valve - Google Patents
Automatic welding machine for PE (Poly Ethylene) valve Download PDFInfo
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- CN101947855B CN101947855B CN201010257933.0A CN201010257933A CN101947855B CN 101947855 B CN101947855 B CN 101947855B CN 201010257933 A CN201010257933 A CN 201010257933A CN 101947855 B CN101947855 B CN 101947855B
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Abstract
The invention relates to an automatic welding machine for a PE (Poly Ethylene) valve, belonging to the field of welding equipment. The automatic welding machine comprises a machine body and a clamping device, a control system, a heating device, a pneumatic system, a cutting device, a hydraulic system and the like installed on the machine body. An automatic imaging detection system is used for detecting clamped welding parts, and qualified welding parts automatically enter next operation; for unqualified welding parts, the system reminds an operator to replace another welding part in an audible and visual warning mode. A locating device and the cutting device are integrated, and the total cutting quantity is strictly controlled by an accurate micro cutting mode. The heating device ensures that the temperature of each point of the heating device is balanced in a mode of adding a heat guide plate. The hydraulic system accurately controls welding pressure and time by using a PLC (Programmable Logic Controller) to control a hydraulic proportional valve, and thus, the purpose of constant welding quality is achieved. One machine is used for multiple purposes, and the requirement of producing various specifications of products is satisfied through replacing the clamping device.
Description
Technical field
The present invention relates to the welder field of the PE standard of pipeline engineering installation, specifically a kind of bonding machine of energy automatic welding PE valve.
Background technology
As everyone knows, along with the develop rapidly of national economy and improving constantly of living standards of the people, requirement to supporting public work is more and more higher, traditional iron pipe exists weight large, corrosion-resistant, resistance to ag(e)ing is poor, the shortcomings such as poor ductility, a large amount of environmental protection, safety, the durable new materials such as PE are used in supporting public work, especially gas pipeline generally adopts PE material, but corresponding welding equipment relatively lags behind, during current standard, generally all adopt easy welding equipment, adopt multiple operation, manually-operated mode is produced, welding quality and operator's technical merit, the factors such as business administration are relevant, uncontrollable welding temperature, the technological parameter such as pressure and time, welding quality is unstable, inefficiency, product percent of pass is low.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of
pe valve automatic welding machine, is optimized deoxidation layer (cutting) → technical process such as heating → welding integrated, and whole process is accurately controlled, and guarantees welding quality, improves welding efficiency, adopts PLC to control, and automaticity is high, easy operating.
The technical solution adopted for the present invention to solve the technical problems is: a kind of
pe valve automatic welding machine, be provided with body, clamping device, heater, topping machanism and Programmable Logic Controller are installed on body, it is characterized in that: clamping device comprises stationary fixture, movable clamp, hydraulic jack, stationary fixture is fixed on body, movable clamp is fixed on body through guider, the fairlead end of guider is fixedly connected with movable clamp, guider is connected with the hydraulic cylinder piston rod that level is installed, movable clamp and stationary fixture are on same axis, and between two fairleads of guider, level is provided with ram seat; Topping machanism comprises fixed mount, knife rest assembly, flexible cylinder and the flexible cylinder of vertical direction of horizontal direction, the flexible cylinder block of horizontal direction is fixed on body, its piston rod end is connected with fixed mount, the flexible cylinder block of vertical direction is arranged on fixed mount, its piston rod end is connected with knife rest assembly, knife rest assembly comprises two disc type knife rests and is separately fixed at the blade on disc type knife rest, and disc type knife rest drives rotation by power set; Heater comprises heating assembly, realizes the cylinder that heats assembly and move horizontally, cylinder and the fixed mount of realizing heating assembly vertical lift, the cylinder block that realization heating assembly moves horizontally is fixed on body, its piston rod end is connected with fixed mount, the cylinder block of realizing heating assembly vertical lift is arranged on fixed mount Shang，Qi piston rod end and is connected with heating assembly.
The present invention also can be achieved by the following measures: Programmable Logic Controller is electrically connected to automated imaging checkout gear, automated imaging checkout gear comprises vision sensor, image processing system, be fixed on the vision sensor light source on body, the cylinder of moving-vision sensor, the cylinder of fixed head and rotation fixed head, fixed head one end and support are hinged, articulated position and movable clamp and stationary fixture are on same axis, the cylinder block of moving-vision sensor is fixed on fixed head, its piston rod end connects vision sensor, cylinder block and the body chain connection of rotation fixed head, its piston rod end and fixed head chain connection.Ram seat end has been fixed push rod through screw bolt.Stationary fixture is comprised of the upper fixture a, the lower clamp a that are hinged, and upper fixture a controls folding by cylinder.Movable clamp is comprised of the upper fixture b, the lower clamp b that are hinged, and upper fixture b controls folding by cylinder.Upper fixture a and lower clamp a inner side are movably installed with respectively semicircular upper clamp body a and lower clamp body a.Upper fixture b and lower clamp b inner side are movably installed with respectively semicircular upper clamp body b and lower clamp body b.The outside, middle part of disc type knife rest is processed with circular ring type boss.Heating assembly inside is electric heating element, and electric heating element and conducting-heat elements are combined closely, and conducting-heat elements guarantees the heating surface each point temperature equalization of whole heating assembly.
The invention has the beneficial effects as follows, adopt the integrated mode of operation, the technological parameters such as welding temperature, pressure and time are controlled, guarantee welding quality, improve welding efficiency, welding quality is constant, and product percent of pass reaches 100%.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation that Fig. 1 disassembles;
Fig. 3 is the structural representation of another embodiment of the present invention;
Fig. 4 is the structural representation disassembling shown in Fig. 3.
1. bodies in figure, 2. lower clamp body a, 3. lower clamp a, 4. lower clamp b, 5. lower clamp body b, 6. blade, 7. disc type knife rest, 8. cylinder, 9. heater block, 10. conducting-heat elements, 11. fixed mounts, 12. cylinders, 13. cylinders, 14. power set, 15. fixed mounts, 16. cylinders, clamp body b on 17., fixture b on 18., 19. light sources, fixture a on 20., clamp body a on 21., 22. vision sensors, 23. cylinders, 24. cylinders, 25. fixed heads, 26. ram seat, 27. push rods, 28. hydraulic jacks.
The specific embodiment
Embodiment mono-:
As shown in Figure 1 and Figure 2, the clamping device that the present invention includes body 1, installs on body 1, automated imaging checkout gear, Programmable Logic Controller, heater, pneumatic system, topping machanism, hydraulic system etc.
Described clamping device comprises stationary fixture, movable clamp, the hydraulic jack 28 being fixed on body 1.Stationary fixture is fixed on body 1, and stationary fixture comprises cylinder and removable upper clamp body a21 and the lower clamp body a2 of fixture a20 in fixture a20, lower clamp a3, folding.Upper fixture a20 and lower clamp a3 are hinged, and upper fixture a20 controls folding by cylinder.Upper fixture a20 and lower clamp a3 inner side are movably installed with respectively semicircular upper clamp body a21 and lower clamp body a2.Movable clamp is fixed on body 1 through guider, the fairlead end of guider is fixedly connected with movable clamp, guider is connected with hydraulic jack 28 piston rods that level is installed, movable clamp and stationary fixture are on same axis, between two fairleads of guider, level is provided with ram seat 26, and the end that ram seat 26 is against valve all the time in to the welding process of PE valve is to prevent that valve is because pressure is to backward shift.Ram seat 26 ends also can be fixed push rod 27 through screw bolt, and rotating push rod 27 is adjusted its length of stretching out, thereby finely tunes compressing the power of valve.Described movable clamp comprises cylinder and removable upper clamp body b17 and the lower clamp body b5 of fixture b18 in fixture b18, lower clamp b4, folding.Upper fixture b18 and lower clamp b4 are hinged, and upper fixture b4 controls folding by cylinder.Upper fixture b18 and lower clamp b4 inner side are movably installed with respectively semicircular upper clamp body b17 and lower clamp body b5.Described movable clamp positions by the guide post on support and stationary fixture, guarantees that two weldments are on same axis.Wherein, upper clamp body a21, lower clamp body a2, upper clamp body b17 and lower clamp body b5 can change according to need of production, realize a tractor serves several purposes, meet the need of production of plurality of specifications product.
Programmable Logic Controller is electrically connected to automated imaging checkout gear, and described automated imaging checkout gear comprises global function vision sensor 22, image processing system, be fixed on vision sensor 22 use light sources 19 on body 1, the cylinder 24 of moving-vision sensor 22, fixedly the fixed head 25 of cylinder 24 is, the cylinder 23 of rotation fixed head 25.Described fixed head 25 one end are connected with stand hinge, and chain connection position and movable clamp and stationary fixture are on same axis.The cylinder body of the cylinder 24 of moving-vision sensor is fixed on described fixed head 25, and cylinder 24 piston rod end connects global function vision sensor 22; Cylinder 23 cylinder bodies and body 1 chain connection ，Qi piston rod end and described fixed head 25 chain connections of rotation fixed head 25.Automated imaging checkout gear moves to detection position by the piston rod of cylinder 24 by global function vision sensor 22, by cylinder 23, make the axis half-twist of global function vision sensor 22 boxing fittings, on mobile track, weldment is carried out to horizontal and vertical imaging detection.
Described topping machanism comprises knife rest assembly, realizes cylinder 13, the cylinder 16 of realizing knife rest assembly vertical lift and fixed mount 15 that knife rest assembly moves horizontally.Knife rest assembly comprises two disc type knife rests 7 and is separately fixed at the blade 6 on two knife rests, disc type knife rest 7 drives rotation by power set 14, the outside, middle part of disc type knife rest 7 is processed with circular ring type boss, and this boss is as the positioner of controlling cutting total amount.Realizing cylinder 13 cylinder bodies that knife rest assembly moves horizontally is fixed on body 1 Shang，Qi piston rod end and is connected with fixed mount 15.The cylinder body of realizing the cylinder 16 of knife rest assembly vertical lift is arranged on fixed mount 15Shang，Qi piston rod end and is connected with knife rest assembly.
By adjusting blade 6 angles, realize accurate micro cutting; By adjusting the size of positioner, strictly control total cutting output.
Described heater comprises heating assembly, realizes the cylinder 8 that heats assembly and move horizontally, cylinder 12 and the fixed mount 11 of realizing heating assembly vertical lift.Heating assembly comprises conducting-heat elements 10, heater block 9, and heating assembly inside is electric heating element 9, and electric heating element 9 is combined closely with conducting-heat elements 10, and conducting-heat elements 10 guarantees the heating surface each point temperature equalization of whole heating assembly.The cylinder body of the cylinder 8 that realization heating assembly moves horizontally is fixed on body 1 Shang，Qi piston rod end and is connected with fixed mount 11.The cylinder body of realizing the cylinder 12 of heating assembly vertical lift is arranged on fixed mount 11Shang，Qi piston rod end and is connected with heating assembly.
Fixed mount 15 and fixed mount 11 by the cylinder 13 realizing knife rest assembly and move horizontally and the piston rod of realizing the cylinder 8 that heating assembly moves horizontally carry out mechanical interlocked.
Described hydraulic system adopts PLC to control the mode of hydraulic proportion valve, accurately controls welding pressure and time, reaches the object that welding quality is constant.
When using, the present invention first opens stationary fixture and movable clamp, valve to be welded is placed on respectively in stationary fixture, movable clamp, close stationary fixture, movable clamp, upper fixture a20, upper fixture b18 clamp closed under hinged separately cylinder action, clamp body a21 and lower clamp body a2, upper fixture b18 and lower clamp b4 are held tightly the block valve containing respectively, hydraulic jack 28 piston rods that level is installed promote movable clamp and move to stationary fixture direction, and valve end face to be welded is contacted completely;
Automated imaging checkout gear under the piston rod of cylinder 23 promotes to anticlockwise, after putting in place, under the piston rod of cylinder 24 promotes, advance to valve end face center line to be welded left side and carry out the first station detection, complete, the piston rod of cylinder 23 pulls and to right rotation to valve end face center line upside to be welded, carries out the second station detection down, and data acquisition is complete, be rotated in place left, retreat, dextrorotation, arrives original position;
After preprepared sealing ring is placed in valve body, the piston rod of cylinder 8 promotes heating assembly and moves forward, after putting in place, under the piston rod of cylinder 12 promotes, heating assembly is down in the middle of two end faces of valve to be welded, hydraulic jack 28 promotes movable clamp and moves to stationary fixture direction, and keep enough thrust, heat complete, movable clamp moves to original position, heating assembly rises, arrive upper after, under cylinder 8 effects, retreat to original position, movable clamp moves to stationary fixture direction simultaneously, the complete combination of both ends of the surface that valve to be welded is dissolved, and keep enough thrust, cooling, arrive cool time, beats movable clamp and stationary fixture, and movable clamp moves on to original position, takes out valve, and whole welding process is complete.
PE valve automatic welding machine of the present invention, is optimized deoxidation layer (cutting) → technical process such as heating → welding integrated, and whole process is accurately controlled, and guarantees welding quality, simple to operate, is connected compact, improves welding efficiency; This equipment adopts PLC to control, and automaticity is high, easy operating.This equipment is by changing clamping tool, realizes a tractor serves several purposes, meets the need of production of plurality of specifications product, practical.Valve after this equipment adopts automated imaging detection system to clamping carries out axiality detection, detects qualified next step operation of automatically carrying out; Detect underproofly by the mode of sound and light alarm, prompting operation person changes.This equipment carries out integrated to positioner and topping machanism, by the mode of accurate micro cutting, strictly control total cutting output, reaches the object that welding quality is constant.Described heater, by installing the mode of heat-conducting plate additional, guarantees whole heater each point temperature equalization, reaches the object that welding quality is constant.Described hydraulic system adopts PLC to control the mode of hydraulic proportion valve, accurately controls welding pressure and time, stops the impact of human factor, reaches the object that welding quality is constant.
Embodiment bis-:
The clamping device that the present invention includes as shown in Figure 3, Figure 4 body 1, installs on body 1, Programmable Logic Controller, heater, pneumatic system, topping machanism, hydraulic system etc.
Described clamping device comprises stationary fixture, movable clamp, the hydraulic jack 28 being fixed on body 1.Stationary fixture is fixed on body 1, and stationary fixture comprises cylinder and removable upper clamp body a21 and the lower clamp body a2 of fixture a20 in fixture a20, lower clamp a3, folding.Upper fixture a20 and lower clamp a3 are hinged, and upper fixture a20 controls folding by cylinder.Upper fixture a20 and lower clamp a3 inner side are movably installed with respectively semicircular upper clamp body a21 and lower clamp body a2.Movable clamp is fixed on body 1 through guider, the fairlead end of guider is fixedly connected with movable clamp, guider is connected with hydraulic jack 28 piston rods that level is installed, movable clamp and stationary fixture are on same axis, between two fairleads of guider, level is provided with ram seat 26, and the end that ram seat 26 is against valve all the time in to the welding process of PE valve is to prevent that valve is because pressure is to backward shift.Ram seat 26 ends also can be fixed push rod 27 through screw bolt, and rotating push rod 27 is adjusted its length of stretching out, thereby finely tunes compressing the power of valve.Described movable clamp comprises cylinder and removable upper clamp body b17 and the lower clamp body b5 of fixture b18 in fixture b18, lower clamp b4, folding.Upper fixture b18 and lower clamp b4 are hinged, and upper fixture b4 controls folding by cylinder.Upper fixture b18 and lower clamp b4 inner side are movably installed with respectively semicircular upper clamp body b17 and lower clamp body b5.Described movable clamp positions by the guide post on support and stationary fixture, guarantees that two weldments are on same axis.Wherein, upper clamp body a21, lower clamp body a2, upper clamp body b17 and lower clamp body b5 can change according to need of production, realize a tractor serves several purposes, meet the need of production of plurality of specifications product.
Described topping machanism comprises knife rest assembly, realizes cylinder 13, the cylinder 16 of realizing knife rest assembly vertical lift and fixed mount 15 that knife rest assembly moves horizontally.Knife rest assembly comprises two disc type knife rests 7 and is separately fixed at the blade 6 on two knife rests, disc type knife rest 7 drives rotation by power set 14, the outside, middle part of disc type knife rest 7 is processed with circular ring type boss, and this boss is as the positioner of controlling cutting total amount.Realizing cylinder 13 cylinder bodies that knife rest assembly moves horizontally is fixed on body 1 Shang，Qi piston rod end and is connected with fixed mount 15.The cylinder body of realizing the cylinder 16 of knife rest assembly vertical lift is arranged on fixed mount 15Shang，Qi piston rod end and is connected with knife rest assembly.
By adjusting blade 6 angles, realize accurate micro cutting; By adjusting the size of positioner, strictly control total cutting output.
Described heater comprises heating assembly, realizes the cylinder 8 that heats assembly and move horizontally, cylinder 12 and the fixed mount 11 of realizing heating assembly vertical lift.Heating assembly comprises conducting-heat elements 10, heater block 9, and heating assembly inside is electric heating element 9, and electric heating element 9 is combined closely with conducting-heat elements 10, and conducting-heat elements 10 guarantees the heating surface each point temperature equalization of whole heating assembly.The cylinder body of the cylinder 8 that realization heating assembly moves horizontally is fixed on body 1 Shang，Qi piston rod end and is connected with fixed mount 11.The cylinder body of realizing the cylinder 12 of heating assembly vertical lift is arranged on fixed mount 11Shang，Qi piston rod end and is connected with heating assembly.
Fixed mount 15 and fixed mount 11 by the cylinder 13 realizing knife rest assembly and move horizontally and the piston rod of realizing the cylinder 8 that heating assembly moves horizontally carry out mechanical interlocked.
Described hydraulic system adopts PLC to control the mode of hydraulic proportion valve, accurately controls welding pressure and time, reaches the object that welding quality is constant.
When using, the present invention first opens stationary fixture and movable clamp, valve to be welded is placed on respectively in stationary fixture, movable clamp, close stationary fixture, movable clamp, upper fixture a20, upper fixture b18 clamp closed under hinged separately cylinder action, clamp body a21 and lower clamp body a2, upper fixture b18 and lower clamp b4 are held tightly the block valve containing respectively, hydraulic jack 28 piston rods that level is installed promote movable clamp and move to stationary fixture direction, and valve end face to be welded is contacted completely;
After preprepared sealing ring is placed in valve body, the piston rod of cylinder 8 promotes heating assembly and moves forward, after putting in place, under the piston rod of cylinder 12 promotes, heating assembly is down in the middle of two end faces of valve to be welded, hydraulic jack 28 promotes movable clamp and moves to stationary fixture direction, and keep enough thrust, heat complete, movable clamp moves to original position, heating assembly rises, arrive upper after, under cylinder 8 effects, retreat to original position, movable clamp moves to stationary fixture direction simultaneously, the complete combination of both ends of the surface that valve to be welded is dissolved, and keep enough thrust, cooling, arrive cool time, beats movable clamp and stationary fixture, and movable clamp moves on to original position, takes out valve, and whole welding process is complete.
Embodiment tri-:
The present invention also can connect for welding by both sides, increases a movable clamp on the body of stationary fixture opposite side, increases a set of heater and topping machanism simultaneously, and other structure is identical with embodiment mono-or embodiment bis-, can realize two-sided welding.
Claims (2)
1. one kind
pe valve automatic welding machine, be provided with body, clamping device, heater, topping machanism and Programmable Logic Controller are installed on body, it is characterized in that: clamping device comprises stationary fixture, movable clamp, hydraulic jack, stationary fixture is fixed on body, movable clamp is fixed on body through guider, the fairlead end of guider is fixedly connected with movable clamp, guider is connected with the hydraulic cylinder piston rod that level is installed, movable clamp and stationary fixture are on same axis, and between two fairleads of guider, level is provided with ram seat; Topping machanism comprises topping machanism fixed mount, knife rest assembly, flexible cylinder and the flexible cylinder of vertical direction of horizontal direction, the flexible cylinder block of horizontal direction is fixed on body, its piston rod end is connected with topping machanism fixed mount, the flexible cylinder block of vertical direction is arranged on topping machanism fixed mount, its piston rod end is connected with knife rest assembly, knife rest assembly comprises two disc type knife rests and is separately fixed at the blade on disc type knife rest, and disc type knife rest drives rotation by power set; Heater comprises heating assembly, realizes the cylinder that heats assembly and move horizontally, cylinder and the heater fixed mount of realizing heating assembly vertical lift, the cylinder block that realization heating assembly moves horizontally is fixed on body, its piston rod end is connected with heater fixed mount, the cylinder block of realizing heating assembly vertical lift is arranged on heater fixed mount Shang，Qi piston rod end and is connected with heating assembly.
2. according to claim 1
pe valve automatic welding machine, it is characterized in that said Programmable Logic Controller is electrically connected to automated imaging checkout gear, automated imaging checkout gear comprises vision sensor, image processing system, be fixed on the vision sensor light source on body, the cylinder of moving-vision sensor, the cylinder of fixed head and rotation fixed head, fixed head one end and support are hinged, articulated position and movable clamp and stationary fixture are on same axis, the cylinder block of moving-vision sensor is fixed on fixed head, its piston rod end connects vision sensor, cylinder block and the body chain connection of rotation fixed head, its piston rod end and fixed head chain connection.
3. according to claim 1
pe valve automatic welding machine, is characterized in that said ram seat end has been fixed push rod through screw bolt.
4. according to claim 1
pe valve automatic welding machine, is characterized in that said stationary fixture is comprised of the upper fixture, the lower clamp that are hinged, and upper fixture is controlled folding by cylinder.
5. according to claim 1
pe valve automatic welding machine, it is characterized in that said movable clamp by be hinged another on fixture, another lower clamp form, on another, fixture is controlled folding by cylinder.
6. according to claim 4
pe valve automatic welding machine, is characterized in that said upper fixture and lower clamp inner side are movably installed with respectively semicircular upper clamp body and lower clamp body.
7. according to claim 5
pe valve automatic welding machine, it is characterized in that said on another fixture and another lower clamp inner side be movably installed with respectively semicircular clamp body and another lower clamp body on another.
8. according to claim 1
pe valve automatic welding machine, is characterized in that the outside, middle part of said disc type knife rest is processed with circular ring type boss.
9. according to claim 1
pe valve automatic welding machine, is characterized in that said heating assembly inside is electric heating element, and electric heating element and conducting-heat elements are combined closely, and conducting-heat elements guarantees the heating surface each point temperature equalization of whole heating assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010257933.0A CN101947855B (en) | 2010-08-20 | 2010-08-20 | Automatic welding machine for PE (Poly Ethylene) valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010257933.0A CN101947855B (en) | 2010-08-20 | 2010-08-20 | Automatic welding machine for PE (Poly Ethylene) valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101947855A CN101947855A (en) | 2011-01-19 |
| CN101947855B true CN101947855B (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010257933.0A Expired - Fee Related CN101947855B (en) | 2010-08-20 | 2010-08-20 | Automatic welding machine for PE (Poly Ethylene) valve |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756223B (en) * | 2011-04-29 | 2016-02-10 | 宁波众工互联科技有限公司 | Multi-station automatic welder |
| CN103128966B (en) * | 2011-11-30 | 2015-04-08 | 河南联塑实业有限公司 | Welding method of polyethylene (PE) gas valve |
| CN102529095B (en) * | 2012-03-05 | 2014-07-16 | 威海百晟达机械设备有限公司 | Welding equipment for hot-melt non-metal material |
| CN103072281B (en) * | 2012-12-20 | 2015-04-22 | 宁波志达汽车部件有限公司 | Hot plate welding machine for clean air pipe |
| CN103921436B (en) * | 2014-04-10 | 2015-12-30 | 上海交通大学 | Thin film high temperature bonding machine and welding method |
| CN104108177B (en) * | 2014-05-21 | 2017-02-15 | 深圳大学 | Thermofusion welding method of polyethylene (PE) gas valve central stand column and thermofusion welding device |
| CN104108178B (en) * | 2014-05-21 | 2016-08-31 | 深圳大学 | A kind of sweat soldering equipment of PE burnt gas valve exhaust stack |
| CN104002478B (en) * | 2014-05-21 | 2016-09-07 | 深圳大学 | A kind of PE burnt gas valve upper valve seat sweat soldering equipment and welding method |
| CN108262979B (en) * | 2018-04-04 | 2024-02-06 | 威海寅虎自动化设备有限公司 | PE valve welding machine |
| CN108724741A (en) * | 2018-08-13 | 2018-11-02 | 常熟力登维汽车部件有限公司 | PE moldings butting tooling and system of processing |
| CN110491272B (en) * | 2019-09-17 | 2024-03-29 | 深圳模德宝科技有限公司 | Automatic clamp teaching device |
| CN112605788B (en) * | 2021-03-03 | 2021-06-25 | 昆山睿翔讯通通信技术有限公司 | Full-automatic lens polishing machine tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1586869A (en) * | 2004-08-05 | 2005-03-02 | 浙江枫叶集团有限公司 | Heat melting butt joint welder for plastic pipe |
| CN201751171U (en) * | 2010-08-20 | 2011-02-23 | 威海百晟达机械设备有限公司 | Pe valve automatic welding machine |
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2010
- 2010-08-20 CN CN201010257933.0A patent/CN101947855B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1586869A (en) * | 2004-08-05 | 2005-03-02 | 浙江枫叶集团有限公司 | Heat melting butt joint welder for plastic pipe |
| CN201751171U (en) * | 2010-08-20 | 2011-02-23 | 威海百晟达机械设备有限公司 | Pe valve automatic welding machine |
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Inventor after: Wang Hanyang Inventor before: Wang Dan Inventor before: Dong Xianzhi |
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Granted publication date: 20140115 Termination date: 20190820 |