CN106825890B - A kind of pressure welding system - Google Patents

Abstract

The invention discloses a kind of pressure welding systems, including the cleaning unit for removing workpiece to be processed surface irregularities and the pressure welding unit for carrying out pressure welding operation to workpiece, the pressure welding unit includes rack, the workbench in rack, the pressure welding power arm that can be moved up and down along rack, bonded assemblies, the heating structure for being heated to bonded assemblies and the first actuator for driving the pressure welding power arm to be moved up and down being connected with pressure welding power arm；The bonded assemblies include pressure-welding head and are connected to the pressure dissipation component of the pressure welding power arm by elastic component, and when original state, which is located at below the pressure-welding head, the top position of workbench.The pressure that the present invention can effectively act on workpiece pressure-welding head is dispersed, and is prevented from only the position welded being needed to be caused workpiece deformation or damage by excessive pressure, is reduced workpiece scrappage；Pressure welding position is accurate, improves welding quality and efficiency.

Description

A kind of pressure welding system

Technical field

Invention belongs to technical field of welding equipment, more particularly, to a kind of pressure welding system.

Background technique

In available circuit plate production process in circuit board pad and lead be subjected to when, generally use craft Welding, welding efficiency is low and welding effect is not ideal enough.In order to guarantee that the two welding is accurately and secured, occur in the prior art All kinds of welding equipments come in circuit board pad and lead weld, the effect and efficiency of welding obviously mentioned It rises, wherein belong to again, pressure welding effect is best, and pressure welding speed is fast, and welding position is accurate.But find in use, due to pressure Weldering carries out punch welding using plumb joint, and the thickness of circuit board is smaller, easily deforms when pad is under pressure, breaks It splits, causes the damage of circuit board, workpiece scrappage is excessively high, and high degree increases production cost, and causes production material The waste of material.

Summary of the invention

For overcome the deficiencies in the prior art, the workpiece scrappage for providing a kind of welding is low, welding efficiency is high by the present invention Pressure welding system.

To achieve the goals above, the invention adopts the following technical scheme: a kind of pressure welding system, including it is to be added for removing Work workpiece surface sundries clears up unit and the pressure welding unit for carrying out pressure welding operation to workpiece, and the pressure welding unit includes machine Frame, the workbench in rack, the pressure welding power arm that can be moved up and down along rack, the pressure welding group being connected with pressure welding power arm Part, the heating structure for being heated to bonded assemblies and first for driving that the pressure welding power arm moved up and down Actuator；The cleaning unit includes clearing up bracket, the cleaning table top for being formed in cleaning frame upper, being set to the cleaning table top The cleaning brush group of top position is at least part laid on the workpiece transfer device cleared up on table top, for driving the conveying The second actuator with rolls forward, the location structure for positioning position of the workpiece on workpiece transfer device and be set to the work Junk structure on part conveyer belt；The location structure includes the multiple groups positioning head assembly being fixedly arranged on the workpiece transfer device, The positioning head assembly includes two along the symmetrically arranged positioning head in the central axes of the workpiece transfer device, which is L shape；It is described Junk structure includes that the junk on rear side of two positioning head is open and is removably connected to the strainer that the junk is open；It is described Bonded assemblies include pressure-welding head and are connected to the pressure dissipation component of the pressure welding power arm by elastic component, when original state, The pressure dissipation component is located at the top position of the pressure-welding head lower section, workbench；The pressure-welding head includes being removably connected to The upper pressure-welding head ontology of pressure welding power arm lower part and be fixed on pressure-welding head ontology on this pushing welding head body, be set to institute State the link slot for pushing welding head body lower surface and welding plush copper, the welding plush copper include be arranged in link slot thermally conductive section and Protrude from the punch section of the lower surface for pushing welding head body；The heating structure includes the heating in the pressure-welding head It manages and to the power supply that heating tube is powered, heating tube one end is electrically connected with power supply, and the heating tube other end is penetrated to the company In access slot；Thermally conductive section of one heat-conducting layer of outer cladding of the welding plush copper, which is coated on table in the link slot Face, the heating tube lower end are in contact with the heat-conducting layer upper end；The pressure dissipation component includes plate body, is fixed on the plate body The buffer layer of lower surface being fabricated from a flexible material, first passed through on plate body for pushing welding head body wear mouth, are set to For pushing the second cutting ferrule wearing mouth and being fabricated from a flexible material that welding head body passes through on buffer layer, which is detachably connected Mouth is worn in described first, a flared section is formed at cutting ferrule top, and flared section upper end extends outwardly to form and the upper pressure-welding head sheet The cyclic annular of mates extends edge；The workbench be equipped with one can fore-aft motion soldering pallet, which is equipped with For limiting the position limiting structure of workpiece, which includes the first limit assembly and the second limit group on soldering pallet Part, first limit assembly include two L shape positioning convex portions being symmetrically fixedly arranged on soldering pallet, and second limit assembly includes Set on the two L shape sliding blocks on the first limit assembly opposite, the connecting rod of two L shape sliding blocks of connection and drive the connecting rod fore-aft motion Displacement drive part.

Pressure dissipation component is provided in the present invention, when pressure welding power arm driving pressure-welding head is moved down to workpiece progress pressure welding, Plate body is in contact with workpiece surface in advance, and pressure-welding head continues to move down conflict to plate body later, later again with it is to be welded on workpiece Contact is in contact, and butt welding contact presses, since pressure-welding head is in contact with plate body, so that the part impulse force of pressure-welding head is averaged Be dispersed on the surface of workpiece so that the pressure difference between workpiece entirety and pad reduces, workpiece is not susceptible to become Shape or damage；The buffer layer of plate body lower surface setting can reduce the hardness between plate body and workpiece and hit, and effectively carry out to workpiece Protection, prevents the other component of workpiece surface to be damaged；Not of uniform size, the pushing welding head body of upper and lower pressure-welding head ontology May pass through the mouth of wearing on plate body, and upper pressure-welding head ontology can not pass through, guarantee pressure-welding head when pushing on pressure-welding head ontology can It contradicts to plate body, guarantees that stamping press is dispersed；It is detachable that cutting ferrule wears mouth with respect to first, is conveniently replaceable, by the setting of cutting ferrule, It effectively prevent first to wear mouth to wear, abrasion occurs over just on cutting ferrule, without replacing plate body, reduces maintenance cost； The setting of flared section enters in cutting ferrule convenient for pushing welding head body；Ring-type extends edge can play good delay to upper pressure-welding head ontology Punching effect, further decreases impulsive contact force, so that the hardness between pressure-welding head and plate body, which is hit, becomes flexible shock, effectively prevent pressing Soldering tip rebounds, and welding effect is more preferable；It is connected between pressure dissipation component and pressure-welding head by elastic component, is operated in pressure welding When, elastic component will compress, to give pressure-welding head upward active force, play good buffer function to pressure-welding head, prevent Only the stamping press of pressure-welding head is excessive；And during pressure-welding head moves down, compressive strength gradually increases elastic component, gives pressure welding Upward active force is also gradually increased, and buffering effect is more preferable；

It is in contact again with heating tube after welding plush copper outer cladding heat-conducting layer, heat-conducting effect is more preferable, and the heating of welding plush copper is more Quickly, welding efficiency is improved；And thermally conductive section of plush copper of welding is placed in link slot and heat-conducting layer cladding in entirety, effectively slows down welding The case where mistake temperature speed of plush copper, temperature maintains effect more preferable, realizes the rapid welding to workpiece, be not in rosin joint, welding Qualification rate is high；And welding plush copper and heat-conducting layer split settings, the two can be used different materials and be made, so that welding plush copper can adopt It is made of the higher metal material of hardness, is also unlikely to deform after long-term pressure welding, extend the service life of welding plush copper；Provided with clear Unit is managed, effectively the rubbish of workpiece surface can be cleared up, prevent pad there are rubbish and influence welding effect, improves work The qualification rate of part welding；Workpiece can be effectively limited on workpiece transfer device by location structure, so that workpiece transfer device rolls Workpiece can be fed forward, so that the rubbish of workpiece surface can be got off by cleaning when by cleaning brush group；Location structure Rear side is open equipped with junk, and cleaning the rubbish to get off can directly be leaked down by junk opening, will not accumulate on workpiece transfer device, To be brought to next workpiece by cleaning brush group；Junk opening is equipped with strainer, and the bristle of cleaning brush group is opened in junk It will be stretched in strainer when mouth position, during workpiece transfer device rolls forward, the rubbish of adherency in the bristle of cleaning brush group It can be scraped by strainer, so that the bristle of cleaning brush group is more clean；L shape positioning convex portion and L shape sliding block match can be effectively right Workpiece is positioned, and guarantees pad face pressure-welding head, and pressure welding is more accurate.

Preferably, the heat-conducting layer lower end, which has, is coated on the bound edge section for pushing welding head body lower surface, the punching The upper surface of pressure section is in contact with the bound edge section, and described thermally conductive section is interference fit between the link slot；Interference fit So that thermally conductive section connect more closely with the link slot, thermally conductive section is not easy to drop out；Bound edge section is in contact with punch section, increases Contact area between heat-conducting layer and welding plush copper, realizes good heat-conducting effect, welds the heating rate of plush copper faster.

Or it is preferred, the link slot includes upper groove and lower groove, and it is mutually isolated to pass through isolation part between upper and lower groove It comes, the heating tube is placed in the upper groove, and described thermally conductive section is placed in the lower groove；It is logical that the isolation part is equipped with one Hole, the heat-conducting layer upper end are in contact after there is a boss, the boss to pass through the through-hole with the heating tube；Pass through isolation part Setting, when welding in plush copper punching press to workpiece, workpiece can give welding first convex upward reaction force, convex due to welding Head top is contradicted to isolation part, so that punching press will not be carried out to heating tube, heating tube is not easily broken, and is extended equipment and is used the longevity Life.

Further, the rack is equipped with two sliding rails, and sliding rail both ends are silent setting；On the pressure welding power arm Equipped with the guide pad matched with two sliding rails, which is coated with an anticollision layer being fabricated from a flexible material；Guiding Block can move up and down in sliding rail, effectively be defined to running track, prevent pressure welding power arm from occurring in movement left Right avertence is moved；The silent setting of sliding rail can effectively prevent the movement of pressure welding power arm excessive, so that the pressure of pressure-welding head butt welding point is more suitable It closes, prevents pressure excessive, damage object to be welded or the too small influence welding quality of pressure by pressure.

Or it is further, the elastic component includes the two T shape link blocks and one for being removably connected to the pressure welding power arm End is fixed on the spring of the T shape link block, which connects the plate body upper surface；T shape link block and pressure welding power It is detachable between arm, it is conveniently replaceable.

Preferably, the spring is pressure spring.

Preferably, the junk opening is equipped with a comb teeth, which is made with strainer integrated molding；It is cleaning In the process, the rubbish adhered in the bristle of cleaning brush group can be purged by comb teeth, reduce the rubbish in the bristle of cleaning brush group Residual, so that bristle is more clean.

Or it is further, the L shape positioning convex portion inner wall is equipped with the first clad, and the L shape sliding block inner wall is equipped with second Clad, the positioning head inner wall are equipped with third clad；Effectively prevent workpiece corner and L shape positioning convex portion, L shape sliding block with And the inner wall of positioning head collides, workpiece corner is hardly damaged.

In conclusion being carried out the invention has the following advantages: the pressure on workpiece effectively can be acted on to pressure-welding head Dispersion prevents from only the position welded being needed to be caused workpiece deformation or damage by excessive pressure, reduces workpiece scrappage； Pressure welding position is accurate, and welding quality is high, and welding efficiency is high；Pressure-welding head will not rebound in pressure welding operating process, and pressure welding effect is good； Workpiece surface cleaning, there is no rubbish to remain, and is not in rosin joint, and workpiece solder yield is high.

Detailed description of the invention

Fig. 1 is the structural diagram of the present invention.

Fig. 2 is the structural schematic diagram of pressure welding unit of the invention.

Fig. 3 is the structural schematic diagram of pressure welding power arm of the invention.

Fig. 4 is the cooperation schematic diagram of pressure-welding head and heating structure of the invention.

Fig. 5 is the partial schematic diagram of Fig. 4.

Fig. 6 is the partial schematic diagram one of pressure dissipation component of the invention.

Fig. 7 is the partial schematic diagram two of pressure dissipation component of the invention.

Fig. 8 is the top view of soldering pallet of the invention.

Fig. 9 is the diagrammatic cross-section of pressure welding unit of the invention.

Figure 10 is the enlarged drawing in Fig. 9 at B.

Figure 11 is the structural schematic diagram of cleaning unit of the invention.

Figure 12 is the schematic diagram of workpiece transfer device conveying workpieces of the invention.

Figure 13 is the cross-sectional view of the line A-A along Figure 12.

Specific embodiment

In order to make those skilled in the art better understand the present invention program, below in conjunction in the embodiment of the present invention Attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described.

As shown in figures 1-13, a kind of pressure welding system, including 1 He of cleaning unit for removing workpiece to be processed surface irregularities For carrying out the pressure welding unit 2 of pressure welding operation to workpiece, the pressure welding unit 2 includes rack 21, the workbench in rack 22, pressure welding power arm 23, bonded assemblies, heating structure and the first actuator 25；The pressure welding power arm 23 can be in rack Lower movement, first actuator 25 are rodless cylinder；Pressure welding power arm 23 occurs partially in the process of moving up and down in order to prevent It moves, we are provided with two sliding rails 211 in the rack 21, and 211 upper and lower ends of sliding rail are silent setting；The pressure welding is dynamic The arm of force 23 is equipped with the guide pad 231 matched with two sliding rails, which is T-shaped, the insertion cunning of guide pad 231 In rail, and slided along sliding rail；Preferably, the lower surface of guide pad 231 is coated with an anticollision layer 232, and the anticollision layer 232 is by flexibility Material is made, and preferably can be rubber；The bonded assemblies are connected with pressure welding power arm, can be in the case where driving with pressure welding power arm up and down It is mobile, pressure is applied to workpiece, realizes pressure welding；The heating structure is for heating bonded assemblies, thus in pressure welding group Part melts the scolding tin for welding object to be welded when pressing to workpiece pad.

Specifically, the bonded assemblies include pressure-welding head 5 and pressure dissipation component 6, which passes through a bullet Property part 9 is connected to the lower surface of the pressure welding power arm；When original state, which is located under the pressure-welding head 5 Square, workbench 22 top position, ascends the throne between pressure-welding head and workbench, and face workbench；The elastic component 9 includes two T Shape link block 91 and two springs 92, two springs 92 respectively correspond the setting of two T shape link blocks 91, and 92 one end of spring is fixed on the T shape Link block, 92 other end of spring connect 61 upper surface of plate body；Preferably, the spring 92 is pressure spring；The two T shape connection It is threaded between 91 upper end of block and pressure welding power arm, so that two T shape link blocks 91 can be dismantled with respect to pressure welding power arm, It is conveniently replaceable.

As illustrated in figures 4-5, the pressure-welding head 5 includes upper pressure-welding head ontology 51, the pushing for being fixed on pressure-welding head ontology on this Welding head body 52, link slot 53 and welding plush copper 54 set on the pushing welding head body lower surface；The upper pressure-welding head ontology 51 are bolted in pressure welding power arm lower part, realize the dismantling connection of the two, are conveniently replaceable pressure-welding head；Upper pressure-welding head ontology 51, It pushes welding head body 52 and link slot 53 is cylindrical structure, and the diameter for pushing welding head body 52 is less than upper pressure-welding head sheet The diameter of body 51；The welding plush copper 54 includes thermally conductive section 541 and punch section 542, this thermally conductive section 541 is arranged for column construction, Punch section 542 can be cylindricality also for the other shapes for being suitable for pad；Described thermally conductive section 541 is arranged in link slot, institute It states punch section 542 and is fixed on thermally conductive section of 541 lower ends, and lower surface protrudes from the lower surface for pushing welding head body；Work as pressure welding When head is moved down to workpiece pad pressure testing, which is depressed on pad.

As shown in fig. 6-7, the pressure dissipation component 6 includes plate body 61, buffer layer 62, first wears mouth 63, second wears mouth 64 and cutting ferrule 65, the buffer layer 62 be fixed on the plate body lower surface, which is fabricated from a flexible material, preferably rubber Glue；Described first wears mouth 63 on the plate body, and described second wears mouth 64 on buffer layer 62, this first is worn mouth 63 and second and wear Mouthfuls 64 position is right against the pushing welding head body 52, and its size is all larger than the pushing welding head body 52, when pressure welding, The pushing welding head body 52, which can penetrate described first, wears mouth 63 and second and wears in mouth 64, and punch section is contradicted to the weldering of workpiece On contact；The size of the upper pressure-welding head ontology 51 is greater than the described first size for wearing mouth 63, and then in pressure welding, upper pressure-welding head Ontology 51 can be contradicted to plate body, so that being dispersed on the surface of workpiece of being averaged of the part impulse force of pressure-welding head, so that Pressure difference between workpiece entirety and pad reduces, and workpiece is not susceptible to deformation or damage.

The cutting ferrule 65 cutting ferrule 65 is removably connected to described first and wears mouth 63, and the size of cutting ferrule inner via hole with it is described Pushing welding head body 52 is of substantially equal, which is fabricated from a flexible material, preferably rubber；Further, the cutting ferrule Upper end is a flared section 651, manufactures for convenience, can set inclined-plane for the inner wall on cutting ferrule top, can be in the upper of cutting ferrule Portion forms the flared section 651；Preferably, the flared section 651 has the ring of one with described upper this mates of pressure-welding head Shape extends edge 652, which extends edge 652 and extended outwardly by the upper end of flared section 651 and formed, which extends edge 652 Lower surface and the upper surface of the plate body fit, and when pressure welding, upper pressure-welding head ontology punching press to the ring-type extends edge, thus the ring Shape, which extends edge, to play good buffer function to upper pressure-welding head ontology, impulsive contact force is further decreased, so that pressure-welding head and plate body Between hardness hit become flexible shock, effectively prevent pressure-welding head to rebound, welding effect is more preferable.

As illustrated in figures 4-5, the heating structure includes heating tube 71 and the power supply that is powered to heating tube, the power supply For battery, the battery and the heating tube 71 are set in the pressure-welding head 5, and 71 one end of heating tube is electrically connected with power supply, adds 71 other end of heat pipe is penetrated to the link slot 53；The heating tube 71 is immerging metal tube heater or heating rod, certainly in other realities It applies in example, it is also possible to which electric iron or other component replace；Thermally conductive section 541 of the welding plush copper is coated with a heat-conducting layer 543, Heat-conducting layer 543 is preferably that aluminium is made, and good heat conduction effect and ductility is strong, which is coated on the company 53 inner surface of access slot, 71 lower end of heating tube is in contact with 543 upper end of heat-conducting layer, thus the temperature in heating tube It is transferred on thermally conductive section 541 by heat-conducting layer, then is transferred on punch section via thermally conductive section 541, realize the heating to punch section； Preferably, described thermally conductive section 541 between the link slot 53 for interference fit, thus can prevent thermally conductive section 541 by connecting It is fallen in slot, ensures that heat-conducting layer 543 closely coats described thermally conductive section 541, heat transfer effect is more preferable.

Preferably, 543 lower end of heat-conducting layer, which has, is coated on the bound edge section for pushing welding head body lower surface 544, the upper surface of the punch section 542 is in contact with the bound edge section 544；Specifically, the length of heat-conducting layer can be set to Length greater than thermally conductive section 541, so that thermally conductive section 541 lower surface that will have part that can extend out to link slot, passes through mold later Or machine carries out punching press to the part of stretching, so that the part outward bending, finally pastes to pushing welding head body lower surface；Again Preferably, the link slot 53 includes upper groove 531 and lower groove 532, between upper and lower groove by isolation part 533 mutually every It leaves and, specifically, can drill respectively in the upper and lower surface for pushing welding head body to form upper groove 531 and lower groove 532, two Remaining part is the isolation part 533 between person；The heating tube 71 is placed in the upper groove 531, and described thermally conductive section 541 It is placed in the lower groove 532；The isolation part 533 is equipped with a through-hole 534, and 543 upper end of heat-conducting layer has a boss 545, which is in contact after passing through the through-hole with the heating tube 71, is protected, is prevented to heating tube by isolation part 533 Heating tube 71 is directly collided and is ruptured.

As shown in Fig. 2,8, the workbench 22 be equipped with one can fore-aft motion soldering pallet 8 and drive the soldering pallet The third actuator 83 of 8 fore-aft motions, the third actuator are cylinder；The soldering pallet 8 is equipped with for limiting workpiece Position limiting structure, specifically, the position limiting structure includes the first limit assembly 81 and the second limit assembly on soldering pallet 8 82, the first limit assembly 81 is set to the left side of soldering pallet 8, and the second limit assembly 82 is set to the right side of soldering pallet 8；This first Limit assembly 81 includes the two L shape positioning convex portions 811 that are symmetrically fixedly arranged on soldering pallet, between two L shape positioning convex portions 811 away from It is equal from the width of workpiece；Preferably, 811 inner wall of L shape positioning convex portion is equipped with the first clad 812, first cladding Layer 812 is preferably made of rubber；Second limit assembly 82 include set on the first limit assembly opposite two L shape sliding blocks 821, Connecting rod 822 and displacement drive part 823,822 both ends of connecting rod are separately connected two L shape sliding blocks 821, the displacement drive Part 823 can drive the connecting rod fore-aft motion；Specifically, the displacement drive part 823 be cylinder, the two L shape sliding block 821 it Between distance it is equal with the width of workpiece；When positioning, workpiece one end is placed between two L shape positioning convex portions 811, and it is unilateral fixed to realize Position, 823 drive connection bar of displacement drive part drives two L shape sliding blocks to move forward later, until the other end of workpiece is placed in two L shapes Between sliding block, another side positioning of workpiece is realized；Preferably, 821 inner wall of L shape sliding block is equipped with the second clad 824, this Two clads 824 are preferably made of rubber.

As figs 11-13, one of workpiece is drawn in Figure 12, remaining workpiece is not drawn into；The cleaning unit 1 includes Cleaning bracket 11, the cleaning table top 12 for being formed in cleaning frame upper, the cleaning brush set on cleaning 12 top position of table top Group 13 is at least part laid on the workpiece transfer device 14 cleared up on table top, for driving the workpiece transfer device 14 forward Roll the second actuator 15, the location structure for positioning position of the workpiece on workpiece transfer device 14 and be set to the workpiece Junk structure on conveyer belt 14；Specifically, second actuator 15 includes two idler wheels, two idler wheels are separately connected a motor, The workpiece transfer device 14 covers at outside two idler wheels, and idler wheel can drive workpiece transfer device 14 to roll when rotating；The positioning knot Structure includes the multiple groups positioning head assembly 3 being fixedly arranged on the workpiece transfer device 14, and the spacing between every group of positioning head assembly 3 is set It is set to equal；Specifically, the positioning head assembly 3 includes two positioning heads 31, which is L shape, and two positioning heads 31 are along described The central axes of workpiece transfer device are symmetrical arranged, and the spacing between two positioning heads 31 is equal with the width of workpiece, and workpiece one end is set Enter the positioning that can be realized between two positioning heads 31 to workpiece；Preferably, 31 inner wall of positioning head is equipped with third clad 311, which is made of rubber.

Further, the junk structure includes the junk opening 41 being set on rear side of two positioning head and is detachably connected In the strainer 42 of junk opening；Reference is in the direction that front and back in this is rolled using conveyer belt, conveyer belt scroll arrow meaning one Side is front side, and the other side is rear side；The cleaning brush group 13 includes hair disc 131 and the soft bristle 132 set on hair disc lower surface, is somebody's turn to do Hair disc 131 is connected on cleaning bracket 11, and is located at the position directly above of conveyer belt；Workpiece transfer device roll can by workpiece to Preceding conveying, so that the rubbish of workpiece surface can be got off by cleaning and be leaked down by junk opening when by cleaning brush group；For It prevents from retaining rubbish in soft bristle 132, the junk opening 41 is equipped with a comb teeth 43, and comb teeth 43 can be effectively to soft bristle Rubbish in 132 is scraped；Preferably, the medium position set on 43 strainer of comb teeth, and comb teeth 43 and the strainer Integrated molding is made.

Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment should fall within the scope of the present invention.

Claims (8)

1. a kind of pressure welding system, including for removing workpiece to be processed surface irregularities cleaning unit (1) and for workpiece into Row pressure welding operation pressure welding unit (2), the pressure welding unit (2) include rack (21), the workbench (22) in rack, can Along rack move up and down pressure welding power arm (23), be connected with pressure welding power arm bonded assemblies, be used for bonded assemblies progress The heating structure of heating and the first actuator (25) for driving the pressure welding power arm (23) to be moved up and down；Its feature Be: cleaning unit (1) includes cleaning bracket (11), the cleaning table top (12) for being formed in cleaning frame upper, is set to institute The workpiece transfer device stating the cleaning brush group (13) of cleaning table top (12) top position, being at least part laid on the cleaning table top (14), for driving second actuator (15) of the workpiece transfer device (14) rolls forward, defeated in workpiece for positioning workpiece The junk structure sending the location structure of the position on band (14) and being set on the workpiece transfer device (14)；The location structure packet Multiple groups positioning head assembly (3) being fixedly arranged on the workpiece transfer device (14) is included, which includes two along the work The symmetrically arranged positioning head in the central axes of part conveyer belt (31), the positioning head (31) are L shape；The junk structure includes being set to institute It states the junk opening (41) on rear side of two positioning heads and is removably connected to the strainer (42) of junk opening；The bonded assemblies packet It includes pressure-welding head (5) and is connected to the pressure dissipation component (6) of the pressure welding power arm by elastic component (9), it, should when original state Pressure dissipation component (6) is located at the top position of the pressure-welding head (5) lower section, workbench (22)；The pressure-welding head (5) includes can Dismantling connection in pressure welding power arm lower part upper pressure-welding head ontology (51) and be fixed on the lower pressure welding of pressure-welding head ontology on this Head ontology (52), the link slot (53) set on the pushing welding head body lower surface and welding plush copper (54), the welding plush copper It (54) include thermally conductive section (541) being arranged in link slot and the punch section for protruding from the lower surface for pushing welding head body (542)；The heating structure include in the pressure-welding head (5) heating tube (71) and the electricity that is powered to heating tube Source, described heating tube (71) one end are electrically connected with power supply, and heating tube (71) other end is penetrated to the link slot (53)；The weldering One heat-conducting layer (543) of thermally conductive section of (541) outer cladding of plush copper is connect, which is coated on the link slot (53) inner surface, heating tube (71) lower end are in contact with the heat-conducting layer (543) upper end；The pressure dissipation component (6) Including plate body (61), the buffer layer (62) being fabricated from a flexible material that is fixed on the plate body lower surface, it is set on plate body under What pressure-welding head ontology (52) passed through first wear mouth (63), be set on buffer layer (62) for push that welding head body (52) pass through the Two cutting ferrules (65) wearing mouth (64) and being fabricated from a flexible material, the cutting ferrule (65) are removably connected to described first and wear mouth (63), One flared section (651) are formed at cutting ferrule top, and flared section (651) upper end is extended outwardly to form to match with the upper pressure-welding head ontology The cyclic annular of conjunction extends edge (652)；The workbench (22) be equipped with one can fore-aft motion soldering pallet (8), the soldering pallet (8) it is equipped with the position limiting structure for limiting workpiece, which includes the first limit assembly on soldering pallet (8) (81) and the second limit assembly (82), first limit assembly (81) include the two L shapes positioning being symmetrically fixedly arranged on soldering pallet Protrusion (811), second limit assembly (82) include the two L shape sliding blocks (821) for being set to the first limit assembly opposite, connection two The connecting rod (822) of L shape sliding block and the displacement drive part (823) for driving the connecting rod fore-aft motion.

2. a kind of pressure welding system according to claim 1, it is characterised in that: heat-conducting layer (543) lower end has cladding In the bound edge section (544) for pushing welding head body lower surface, the upper surface of the punch section (542) and the bound edge section (544) it is in contact, is interference fit between thermally conductive section (541) and the link slot (53).

3. a kind of pressure welding system according to claim 1, it is characterised in that: the link slot (53) includes upper groove (531) and lower groove (532) it, comes between upper and lower groove by the way that isolation part (533) are mutually isolated, the heating tube (71) is set In the upper groove (531), thermally conductive section (541) are placed in the lower groove (532)；The isolation part (533) is equipped with one Through-hole (534), heat-conducting layer (543) upper end have a boss (545), the boss pass through the through-hole after with the heating tube (71) it is in contact.

4. a kind of pressure welding system according to claim 1, it is characterised in that: the rack (21) is equipped with two sliding rails (211), and sliding rail (211) both ends are silent setting；The pressure welding power arm (23) is equipped with and leads with what two sliding rails matched To block (231), which is coated with an anticollision layer (232) being fabricated from a flexible material.

5. a kind of pressure welding system according to claim 1, it is characterised in that: the elastic component (9) includes being detachably connected It is fixed on the spring (92) of the T shape link block in two T shape link blocks (91) of the pressure welding power arm and one end, the spring (92) The other end connects plate body (61) upper surface.

6. a kind of pressure welding system according to claim 5, it is characterised in that: the spring (92) is pressure spring.

7. a kind of pressure welding system according to claim 1, it is characterised in that: the junk opening (41) is equipped with a comb teeth (43), which is located at the strainer (42) integrated molding and is made.

8. a kind of pressure welding system according to claim 1, it is characterised in that: L shape positioning convex portion (811) inner wall is equipped with First clad (812), L shape sliding block (821) inner wall are equipped with the second clad (824), and positioning head (31) inner wall is set There are third clad (311).