CN104309118A - Hot-melting and cold-pressing welding machine and welding method thereof - Google Patents

Hot-melting and cold-pressing welding machine and welding method thereof Download PDF

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Publication number
CN104309118A
CN104309118A CN201410646092.0A CN201410646092A CN104309118A CN 104309118 A CN104309118 A CN 104309118A CN 201410646092 A CN201410646092 A CN 201410646092A CN 104309118 A CN104309118 A CN 104309118A
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CN
China
Prior art keywords
hot melt
pressing
platform
hot
colding pressing
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Pending
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CN201410646092.0A
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Chinese (zh)
Inventor
文才州
黄良田
彭树文
胡常文
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CHONGQING PINGWEI SCIENCE AND TECHNOLOGY (GROUP) Inc
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CHONGQING PINGWEI SCIENCE AND TECHNOLOGY (GROUP) Inc
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Priority to CN201410646092.0A priority Critical patent/CN104309118A/en
Publication of CN104309118A publication Critical patent/CN104309118A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a hot-melting and cold-pressing welding machine. The hot-melting and cold-pressing welding machine includes a frame, wherein the frame is provided with three layers of bedplates; two gas storage tanks are mounted on the bedplate on the first layer; the bedplate on the second layer is located above the bedplate on the first layer; a workpiece positioning mechanism, a guide rail carrying the workpiece positioning mechanism, and a station driving cylinder driving the workpiece positioning mechanism to perform translational motions are mounted on the bedplate on the second layer; the bedplate on the third layer is located above the bedplate on the second layer, and a lifting type hot-melting mechanism and a lifting type cold-pressing mechanism are arranged in sequence on the bedplate on the third layer in the translation direction of the workpiece positioning mechanism. A pressure head of the original hot-riveting welding machine has the heating and pressing functions, so that heating and pressing can be carried out at the same time and completed through one step; in the hot-melting welding machine, heating and pressing are updated into two different procedures, so as to achieve great improvements in various aspects; the hot-melting and cold-pressing welding machine has a high heating speed, so that the product welding cycle is shortened by 50 percent, which completely meets the production requirements; the welding effect is good, the phenomena of ineffective or misplaced welding seldom occur, and the product rejection rate is greatly reduced; faults can be easily detected, so that the maintenance is convenient.

Description

A kind of hot melt cold pressure welding machine and welding method thereof
Technical field
Patent of the present invention relates to a kind of hot melt cold pressure welding machine and welding method thereof.
Background technology
Hot melt cold pressure welding machine is based on former hot-riveting welding machine basis, improves and moulding welding equipment after innovating to its welding manner and welding procedure.The welding of former hot-riveting welding machine to product is that a procedure completes, heat and press down and carry out simultaneously, but this method there is several shortcoming in welding process: be 1. slow owing to heating up, long to the heat time of product solder joint, cause welding interval long, can not Production requirement be met; 2. welding effect is undesirable, and the product rejection rate of welding is high; 3. welding position is unstable, often occurs that solder joint offsets, and solder joint adjustment comparatively bothers.
Summary of the invention
The object of the present invention is to provide a kind of hot melt cold pressure welding machine and welding method thereof, which solve hot-riveting welding machine and often occur the problems such as welding not in place, hot-riveting welding machine failure welding, hot-riveting welding machine solder joint often offset and hot-riveting welding machine welding interval is long.
A kind of hot melt cold pressure welding machine, it comprises frame, and frame has three layers of platen, ground floor platen is provided with two air accumulators, second layer platen is positioned at above ground floor platen, second layer platen is provided with workpiece locating mechanism, carries the guide rail of workpiece locating mechanism and drives the station of described workpiece locating mechanism translation to drive cylinder, third layer platen is positioned at above second layer platen, third layer platen is sequentially set with lift hot-melting mechanism and lift along workpiece locating mechanism translation direction to cold pressing mechanism, described workpiece locating mechanism comprises the bed die change-over panel of bed die for place work piece and fixing bed die, station drives cylinder block one end to be fixed in frame, piston rod one end is fixed on bed die change-over panel, realize the translation motion of workpiece locating mechanism, described lift hot-melting mechanism comprises the hot melt be fixed on third layer platen and drives cylinder, be fixed on the hot melt lifter plate driven on cylinder piston rod, with the tempreature bulb that connecting rod is fixed on the hot melt platform on hot melt lifter plate and is fixed on hot melt platform, described lift mechanism of colding pressing comprises driving cylinder of colding pressing, be fixed on the lifter plate of colding pressing driven on cylinder piston rod, the platform and be fixed on the head of colding pressing of colding pressing on platform of colding pressing of colding pressing on lifter plate is fixed on connecting rod.
Above-mentioned tempreature bulb comprises airduct, clamp nut, airduct end cap and heat generating core, there is external screw thread airduct upper end, by two clamp nuts, airduct is fixed on hot melt platform, airduct end cap is reserved with aperture and air pipe interface, heater wire to be connected with heat generating core by aperture and to generate heat, and air pipe interface is for connecting compressed air piping.
At third layer platen and hot melt hoistable platform, colding pressing between hoistable platform is respectively connected with four guide pillars.
Utilize the welding method of the hot melt cold pressure welding machine of the claims, it comprises the steps: that workpiece to be welded is positioned in bed die in advance, now bed die is in the hot melt station at hot melt platform place, starting hot melt drives air cylinder driven hot melt lifter plate to decline, hot melt lifter plate drives the tempreature bulb on hot melt platform to decline, workpiece is heated, after heating, hot melt platform is return, station drives air cylinder driven bed die to arrive the station of colding pressing at platform place of colding pressing, on this station, cold pressing drive air cylinder driven cold pressing lifter plate decline, lifter plate of colding pressing drives the head of colding pressing of colding pressing on platform to press down, cold moudling is carried out to workpiece, after having colded pressing, platform of colding pressing is return, now whole welding process is complete, the workpiece welded drives cylinder by station, bed die is driven to get back to initial hot melt station, workpiece takes out, complete the welding interval of a workpiece.
The present invention has following beneficial effect:
The pressure head of former hot-riveting welding machine of the present invention has the function heating and press down, and heats and presses down and carry out simultaneously, once complete; Heating is improved to the different operation of twice with pressing down by sweating welder, is all greatly improved in all fields: hot melt cold pressure welding machine firing rate is fast, the Product jointing cycle time time of half, meets Production requirement completely; Welding effect is good, seldom occurs failure welding or welds phenomenon not in place, and product rejection rate has and reduces significantly; Fault is easily investigated, easy to maintenance.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of the tempreature bulb in the present invention.
In Fig. 1: wherein: 1 frame; 1a ground floor platen; 1b second layer platen; 1c third layer platen; 2 air accumulators; 3 guide rails; 4 stations drive cylinder; 5 bed dies; 6 bed die change-over panels; 7 hot melts drive cylinder; 8 hot melt lifter plates; 9 connecting rods; 10 hot melt platforms; 11 tempreature bulbs; 12 cold pressing driving cylinder; 13 cold pressing lifter plate; 14 cold pressing platform; 15 cold pressing head; 16 guide pillars.
In Fig. 2: 17 airducts; 18 clamp nuts; 19 airduct end caps; 20 heat generating cores.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the present invention are described further.
As shown in Figure 1: this bonding machine has frame 1, frame 1 has three layers of platen, ground floor platen 1a is provided with two air accumulators 2; Second layer platen 1b is positioned at above ground floor platen 1a, platen 1b is provided with workpiece locating mechanism, carries the guide rail 3 of workpiece locating mechanism and drives the station of described workpiece locating mechanism translation to drive cylinder 4; Third layer platen 1c is positioned at above second layer platen 1b, platen 1c is sequentially set with lift hot-melting mechanism and lift along workpiece locating mechanism translation direction and colds pressing mechanism.
Described workpiece locating mechanism is used for the bed die 5 of place work piece and the bed die change-over panel 6 of fixing bed die 5 above, and workpiece locating mechanism is arranged on and is fixed on the guide rail 3 of frame 1.Station recited above drives cylinder 4 cylinder body one end to be fixed in frame 1, and piston rod one end is fixed on bed die change-over panel 6, realizes the translation motion of workpiece locating mechanism.
The lift hot-melting mechanism of this bonding machine comprises the hot melt be fixed on third layer platen 1c and drives cylinder 7, is fixed on the tempreature bulb 11 driving the hot melt lifter plate 8 on cylinder 7 piston rod, be fixed on the hot melt platform 10 on hot melt lifter plate 8 with four connecting rods 9 and be fixed on hot melt platform 10.Lift mechanism of colding pressing is arranged on along on the translation direction of workpiece locating mechanism, its mechanism comprises colding pressing and drives cylinder 12, is fixed on and drives the lifter plate 13 of colding pressing on cylinder 12 piston rod, be fixed on the platform 14 and being fixed on of colding pressing of colding pressing on lifter plate 13 cold pressing platform 14 colds pressing 15 with four connecting rods 9, at third layer platen 1c and hot melt hoistable platform with cold pressing between hoistable platform and be respectively connected with four guide pillars 16.
Tempreature bulb structural representation as shown in Figure 2, tempreature bulb 1 includes airduct 17, clamp nut 18, airduct end cap 19, heat generating core 20 form, there is external screw thread airduct 17 upper end, by two clamp nuts 18, airduct is fixed on hot melt platform 10, airduct end cap 19 is reserved with aperture and air pipe interface, heater wire to be connected with heat generating core 20 by aperture and to generate heat, and air pipe interface is for connecting compressed air piping.
Because the head of colding pressing of hot melt cold pressure welding machine adopts original pressure head, do not carry out larger change, just much more no longer to state at this.
The course of work of the present invention:
Workpiece (working of plastics) to be welded is positioned in bed die 5 in advance, now bed die is in first station at hot melt platform place, starting hot melt drives cylinder 7 to drive hot melt lifter plate 8 to decline, and hot melt lifter plate 8 drives the tempreature bulb 11 on hot melt platform 10 to decline, and heats workpiece.After heating, station drives cylinder 4 to drive bed die 5 to arrive second station at platform place of colding pressing, on this station, cold pressing and drive cylinder 12 to drive lifter plate 13 of colding pressing to decline, lifter plate 13 of colding pressing drives colding pressing on platform 14 of colding pressing 15 to press down, carry out cold moudling to workpiece, now whole welding process is complete.The workpiece welded drives cylinder 4 to drive bed die to get back to the first initial station by station, and workpiece takes out, and completes the welding interval of a workpiece.
Hot melt cold pressure welding machine is not changing in the integrally-built situation of original equipment, improves inside:
1. retain original jig, remove its heating function and retain blowing function, and use as the platform of colding pressing improving rear equipment;
2. set up a hot melt platform, hot melt stage+module has multiple tempreature bulb, and the position of the solder joint of installation site product keeps completely the same;
3. the principle of tempreature bulb is the same with the principle of plastic welding gun, and metal tube inside is placed with heat generating core, and the top of pipe is connected to tracheae, for being blown out by the gas after heating;
4. set up a station, using part position on the product of original equipment as 1# station, former welding position is as 2# station, and 1# station is solder joint heating location, and 2# position is solder joint cold moudling position;
5. welding sequence is improved to two procedures, first operation: hot melt platform declines, and heats product solder joint; Second operation work: platform of colding pressing declines, carries out cold moudling by the solder joint after heating;
6. by control mode and process requirements, the program to control system is regrouped, and rectifies and improves circuit simultaneously.

Claims (4)

1. a hot melt cold pressure welding machine, is characterized in that: it comprises frame (1), and frame has three layers of platen, ground floor platen (1a) is provided with two air accumulators (2), second layer platen (1b) is positioned at above ground floor platen, second layer platen is provided with workpiece locating mechanism, the guide rail (3) of carrying workpiece locating mechanism and the station of the described workpiece locating mechanism translation of driving and drives cylinder (4), third layer platen (1c) is positioned at above second layer platen, third layer platen is sequentially set with lift hot-melting mechanism and lift along workpiece locating mechanism translation direction to cold pressing mechanism, described workpiece locating mechanism comprises the bed die change-over panel (6) of bed die (5) for place work piece and fixing bed die, station drives cylinder block one end to be fixed in frame, piston rod one end is fixed on bed die change-over panel, realize the translation motion of workpiece locating mechanism, described lift hot-melting mechanism comprises the hot melt be fixed on third layer platen and drives cylinder (7), be fixed on the hot melt lifter plate (8) driven on cylinder piston rod, with the tempreature bulb (11) that connecting rod (9) is fixed on the hot melt platform (10) on hot melt lifter plate and is fixed on hot melt platform, described lift cold pressing mechanism comprise cold pressing drive cylinder (12), be fixed on the lifter plate of colding pressing (13) driven on cylinder piston rod, be fixed on the platform of colding pressing (14) of colding pressing on lifter plate with connecting rod (9) and be fixed on the head of colding pressing (15) of colding pressing on platform.
2. hot melt cold pressure welding machine according to claim 1, it is characterized in that: described tempreature bulb comprises airduct (17), clamp nut (18), airduct end cap (19) and heat generating core (20), there is external screw thread airduct upper end, by two clamp nuts, airduct is fixed on hot melt platform, airduct end cap is reserved with aperture and air pipe interface, heater wire to be connected with heat generating core by aperture and to generate heat, and air pipe interface is for connecting compressed air piping.
3. hot melt cold pressure welding machine according to claim 1 and 2, is characterized in that: at third layer platen and hot melt hoistable platform, colding pressing between hoistable platform is respectively connected with four guide pillars (16).
4. utilize the welding method of the hot melt cold pressure welding machine of the claims, it is characterized in that: it comprises the steps: that workpiece to be welded is positioned in bed die (5) in advance, now bed die is in the hot melt station at hot melt platform place, starting hot melt drives cylinder (7) to drive hot melt lifter plate (8) to decline, hot melt lifter plate drives the tempreature bulb (11) on hot melt platform (10) to decline, workpiece is heated, after heating, hot melt platform (10) is return, station drives cylinder (4) to drive bed die to arrive the station of colding pressing at platform place of colding pressing, on this station, driving cylinder (12) of colding pressing drives lifter plate (13) of colding pressing to decline, lifter plate of colding pressing drives the head of colding pressing (15) of colding pressing on platform (14) to press down, cold moudling is carried out to workpiece, after having colded pressing, platform (14) of colding pressing is return, now whole welding process is complete, the workpiece welded drives cylinder by station, bed die is driven to get back to initial hot melt station, workpiece takes out, complete the welding interval of a workpiece.
CN201410646092.0A 2014-11-15 2014-11-15 Hot-melting and cold-pressing welding machine and welding method thereof Pending CN104309118A (en)

Priority Applications (1)

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CN201410646092.0A CN104309118A (en) 2014-11-15 2014-11-15 Hot-melting and cold-pressing welding machine and welding method thereof

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Application Number Priority Date Filing Date Title
CN201410646092.0A CN104309118A (en) 2014-11-15 2014-11-15 Hot-melting and cold-pressing welding machine and welding method thereof

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105196532A (en) * 2015-09-24 2015-12-30 天津市久跃科技有限公司 Hot melting device
CN106541583A (en) * 2017-01-10 2017-03-29 宁波誉立精密模具有限公司 Automobile instrument panel heats riveting set and the riveting machine with this device, clinching method
CN110404735A (en) * 2019-07-03 2019-11-05 和美汽车零部件青县有限公司 A kind of cushion hot melt adhesive rapid cooling system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3419297A (en) * 1967-06-01 1968-12-31 Ford Motor Co Self-adjusting assembly and method for forming same
CN101112791A (en) * 2006-07-26 2008-01-30 鸿富锦精密工业(深圳)有限公司 Hot melting and connecting device
CN203317747U (en) * 2013-03-08 2013-12-04 北京优格莱照明科技有限公司 Hot-pressure welding device
CN204149520U (en) * 2014-11-15 2015-02-11 重庆平伟科技(集团)有限公司 A kind of hot melt cold pressure welding machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3419297A (en) * 1967-06-01 1968-12-31 Ford Motor Co Self-adjusting assembly and method for forming same
CN101112791A (en) * 2006-07-26 2008-01-30 鸿富锦精密工业(深圳)有限公司 Hot melting and connecting device
CN203317747U (en) * 2013-03-08 2013-12-04 北京优格莱照明科技有限公司 Hot-pressure welding device
CN204149520U (en) * 2014-11-15 2015-02-11 重庆平伟科技(集团)有限公司 A kind of hot melt cold pressure welding machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105196532A (en) * 2015-09-24 2015-12-30 天津市久跃科技有限公司 Hot melting device
CN106541583A (en) * 2017-01-10 2017-03-29 宁波誉立精密模具有限公司 Automobile instrument panel heats riveting set and the riveting machine with this device, clinching method
CN106541583B (en) * 2017-01-10 2018-09-11 宁波誉立精密模具有限公司 Automobile instrument panel heats riveting set and riveting machine, clinching method with this device
CN110404735A (en) * 2019-07-03 2019-11-05 和美汽车零部件青县有限公司 A kind of cushion hot melt adhesive rapid cooling system

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Application publication date: 20150128