CN117564594A

CN117564594A - Manual welding table

Info

Publication number: CN117564594A
Application number: CN202410051426.3A
Authority: CN
Inventors: 巫星; 唐建伟; 吴钱豪; 陈鹏
Original assignee: Ningbo Advance Automation Technology Co ltd
Current assignee: Ningbo Advance Automation Technology Co ltd
Priority date: 2024-01-15
Filing date: 2024-01-15
Publication date: 2024-02-20

Abstract

The invention discloses a manual welding table, which is arranged corresponding to a welding area of a wire bonding machine and comprises: the base is detachably connected to the wire welding machine and is correspondingly arranged below a bonding head of the wire welding machine; the positioning clamp is arranged above the base and is used for positioning a product to be welded; the heating module is arranged between the base and the bonding head, one end of the heating module, facing the bonding head, is used for bearing the positioning clamp, and is movably connected to the base; and one end of the height adjusting mechanism is connected with the base, the other end of the height adjusting mechanism is connected with the heating module, and the height adjusting mechanism is used for adjusting the distance between the heating module and the bonding head along the height direction of the base. Compared with a welding table on standard equipment, the manual feeding welding table can weld products with larger sizes, so that bonding efficiency is improved.

Description

Manual welding table

Technical Field

The invention relates to the technical field of semiconductor components, in particular to a manual welding table.

Background

The wire bonding machine is mainly used for welding the internal leads of the semiconductor components, and meanwhile, the ball welding process adopts a hot welding technology, and the wire bonding machine mainly comprises a hot table. The majority of the stations in existing wire bonding machines are of the 2 types and all 2 are of the automated material equipment, limited in size by the standard size of the wire bonding machine and suitable for standard web products. However, because the customer products in the market at present are diversified, and the sizes of various packaging products are inconsistent, the above 2 heat tables need to be additionally provided with special fixtures corresponding to packaging products with different sizes to position the products during welding, and the first problem caused by the adoption of the special fixtures is high price, the second is limited by the size of standard equipment, the feeding and discharging of the special fixtures are long, quick circulation cannot be realized, and only 1-2 products can be welded at one time, so that the efficiency is extremely low.

Disclosure of Invention

The invention aims to overcome the defects of poor universality and low welding efficiency of a heat table in the prior art and provides a manual welding table.

The invention solves the technical problems by the following technical scheme:

a manual welding station, the manual welding station being disposed in correspondence to a welding area of a wire bonding machine, the manual welding station comprising:

the base is detachably connected to the wire bonding machine and correspondingly arranged below a bonding head of the wire bonding machine;

the positioning clamp is arranged above the base and is used for positioning a product to be welded;

the heating module is arranged between the base and the bonding head, one end, facing the bonding head, of the heating module is used for bearing the positioning clamp, and the heating module is movably connected to the base;

the height adjusting mechanism is used for adjusting the distance between the heating module and the bonding head along the height direction of the base.

In this scheme, through setting up the welding bench of manual material loading, compare in the welding bench on the standard equipment, its size is bigger can weld the product of bigger size, thereby improve bonding efficiency, avoid leading to the product unable to place because of the limited standard welding bench of size, or use the high special anchor clamps of cost but can only place the problem of 1~2 products, in addition, heating module can be for the base activity and follow the direction of height of base and adjust the position of heating module from top to bottom through the altitude mixture control organism, that is to say, the spacing of waiting to weld the product apart from the bonding head can be adjusted when positioning fixture is placed on heating module after the clamping waiting to weld the product, and then make the waiting to weld the product of different sizes especially being different from standard height bond and avoid bumping with the bonding head, thereby improve the application scope of manual welding bench and commonality, and make the waiting to weld the product homoenergetic of different sizes bond its cost and be less than the cost of customizing special anchor clamps to waiting to weld the product of different sizes through the mode of changing the welding bench.

Preferably, the height adjusting mechanism comprises a base, an adapter, a screw rod, a handheld part and a locking part, wherein the height adjusting mechanism is connected with the heating module through the adapter, the handheld part is fixedly connected with the screw rod, one end of the screw rod is in threaded connection with the adapter, the other end of the screw rod is rotationally connected with the base, and the locking part is positioned on the base and is in threaded connection with the side part of the screw rod.

In this scheme, the adaptor is used for being connected with heating module, and screw rod and handheld portion are used for driving the adaptor and reciprocate along the direction of height of base to make the corresponding change of the position of heating module distance bonding head, still be provided with the locking piece on the base, the locking piece is used for along the lateral part knob of screw rod and butt or keep away from the screw rod, so that the screw rod is relative locking or can continue to rotate, make the height of heating module after the height-adjusting can keep relatively static, with the cooperation bonding head bonds, avoid the high change that the mistake touches handheld portion and lead to.

Preferably, the manual welding table further comprises a mounting part, the mounting part is located between the heating module and the base, the mounting part is detachably connected with the heating module, and one end of the height adjusting mechanism, facing the heating module, is connected to the side face of the mounting part.

In this scheme, through setting up the installation department, and make the installation department be connected with heating module can be dismantled, and then make when treating the welded product of equidimension in the face, removable equidimension heating module, compare its application scope in the welding bench of standard equipment and further increase, avoid the welding bench of standard equipment to lead to the problem that the product can't bond of treating of partial great size, in addition, altitude mixture control mechanism is connected with the installation department, avoid the problem that the altitude mixture control mechanism that leads to is connected directly with heating module scalds the hand, altitude mixture control mechanism connects in the side of installation department and compares the height space that can practice thrift manual welding bench in the vertical direction in the bottom of connection installation department, make the application scope of this altitude mixture control manual welding bench further expand.

Preferably, the installation department is including first installed part, second installed part and third installed part, the second installed part correspond set up in heating module's below, first installed part with the third installed part is located respectively the both sides of second installed part, first installed part with the third installed part corresponds one side of second installed part is provided with the guide rail, the both sides of second installed part are provided with the slider, slider sliding connection in the guide rail.

In this scheme, carry out the direction on the direction of height to the slider on the second installed part through the guide rail on first installed part and the third installed part to make heating module's height more accurate in the adjustment process, avoid appearing the skew condition that the interval between the different positions of positioning fixture and the bonding head that leads to exists.

Preferably, a limiting block is arranged on the first mounting piece and/or the third mounting piece, and the limiting block is used for limiting the upward moving height of the second mounting piece along the height direction of the base.

In this scheme, through setting up the stopper in order to restrict the condition that positioning fixture on the heating module is too close to the bonding head, avoid appearing the structure and interfere the damage bonding head.

Preferably, at least one tension spring is further arranged between the base and the second mounting piece.

In this scheme, through setting up the extension spring in order to keep taut through the second installed part after the altitude mixture control mechanism moves in the direction of height, avoid the second installed part to remove the problem that probably has the unstability of positioning fixture in the direction of height that leads to behind the unstability.

Preferably, the heating module is further provided with a limiting pin, and the limiting pin is arranged along the vertical direction and is close to the bonding head.

In this scheme, through setting up the spacer pin so that its position remains stable after positioning fixture places on heating module, avoid the bonding failure that misplacement led to between positioning fixture and the heating module.

Preferably, the manual welding table further comprises a vacuum generator, and the vacuum generator is located below the heating module and used for positioning the positioning fixture.

In this scheme, the vacuum generator is used for adsorbing positioning fixture to make positioning fixture realize the location after placing in heating module.

Preferably, the manual welding table further comprises a pressing mechanism, the pressing mechanism comprises a pressing claw and a cylinder for driving the pressing claw to move, one end of the pressing claw is arranged corresponding to the top surface of the positioning clamp, the other end of the pressing claw is in butt joint with the cylinder, the pressing claw moves and is far away from the top surface of the positioning clamp when the cylinder stretches out, and the pressing claw is in butt joint with the top surface of the positioning clamp when the cylinder contracts.

In this scheme, hold-down mechanism is used for compressing tightly positioning fixture's top surface to make positioning fixture and heating module form wholly, keep the reliability of bonding when improving the heating effect, avoid on vacuum generator to positioning fixture location inefficacy basis, positioning fixture breaks away from heating module's condition. In addition, for heating modules with larger sizes, the pressing mechanism can be removed, and only the vacuum generator is reserved, so that the cost of a manual welding table is saved, and the heating module with larger size is installed.

Preferably, the first mounting piece or the third mounting piece is provided with a hand rest, and the hand rest is not lower than the height of one end, facing the bonding head, of the heating module along the height direction of the base.

In this scheme, support and insulate against heat user's hand in order to bond the in-process at the user through setting up the hand rest, avoid the user's hand to touch the scald that heating module or bonding head lead to by mistake.

The invention has the positive progress effects that: according to the invention, compared with a welding table on standard equipment, the welding table with the manual feeding is larger in size, products with larger size can be welded, so that the bonding efficiency is improved, the problem that the products cannot be placed due to the standard welding table with limited size or the problem that only 1-2 products can be placed due to the special fixture with high manufacturing cost is solved, in addition, the heating module can move relative to the base and adjust the position of the heating module up and down along the height direction of the base through the height adjusting machine body, that is, the spacing between the products to be welded and the bonding heads can be adjusted when the positioning fixture is placed on the heating module after the products to be welded are clamped, and therefore, the products to be welded with different sizes, especially different from the standard heights, are bonded and are prevented from colliding with the bonding heads, the application range of the manual welding table is improved, and the cost of the products to be welded with different sizes can be bonded in a mode of replacing the welding table, and the cost of customizing the special fixture for the products to be welded with different sizes is lower than the cost.

Drawings

Fig. 1 is a schematic structural view of a manual welding table according to a preferred embodiment of the invention.

Fig. 2 is a schematic structural view of a heating module according to a preferred embodiment of the invention.

Fig. 3 is a diagram showing the positional relationship between the pressing mechanism and the positioning jig according to a preferred embodiment of the present invention.

Fig. 4 is a schematic structural view of a tension spring according to a preferred embodiment of the present invention.

Fig. 5 is an exploded view of a pressing mechanism according to a preferred embodiment of the present invention.

FIG. 6 is a diagram showing the positional relationship between the positioning jig and the bonding head according to a preferred embodiment of the present invention.

Fig. 7 is a schematic structural view of a positioning fixture according to a preferred embodiment of the invention.

Fig. 8 is a schematic view of a pressing claw of a pressing mechanism according to a preferred embodiment of the invention.

Reference numerals illustrate:

base 100

Positioning fixture 200

Bottom plate 201

Cover plate 202

Opening 2021

Handle 203

Spring plate 204

Heating module 300

Heating block 301

Heating rod 302

Height adjusting mechanism 400

Base 401

Adapter 402

Screw 403

Hand-held portion 404

Locking member 405

Mounting portion 500

First mounting member 501

Second mount 502

Third mounting member 503

Pressing mechanism 600

Pressing claw 601

Cylinder 602

Compression portion 6011

Bearing portion 6012

Spring 6013

Abutting portion 6014

Bonding head 10

Stopper 20

Tension spring 30

Stop pin 40

Vacuum generator 50

Hand rest 60

Detailed Description

The invention is further illustrated by means of the following examples, which are not intended to limit the scope of the invention.

The embodiment provides a manual welding table, the specific structure is as shown in fig. 1, fig. 2, fig. 6 and fig. 7, the manual welding table corresponds to the welding area of the wire bonding machine, the manual welding table includes a base 100, the base 100 has a trapezoid structure and a flat top surface, the bottom of the base 100 is used for being connected with the wire bonding machine through bolts, the base 100 is correspondingly arranged below a bonding head 10 of the wire bonding machine, the bonding head 10 extends along the horizontal direction and correspondingly moves to the position right above the base 100 to correspond to the welding area when the product to be bonded is bonded, which is in the prior art, and redundant description is not repeated here. The manual welding table further comprises a positioning fixture 200, the positioning fixture 200 is arranged above the base 100, the positioning fixture 200 comprises a bottom plate 201, a cover plate 202 and a handle 203, the bottom plate 201 and the cover plate 202 are of rectangular structures, the cover plate 202 is covered on the bottom plate 201, the cover plate 202 is connected with the bottom plate 201 through bolts, the handle 203 is connected on the bottom plate 201 and is far away from the bonding head 10, a plurality of openings 2021 are formed in the cover plate 202, the openings 2021 are used for leaking products to be welded so that the bonding head 10 can be bonded, a spring piece 204 is further arranged on the cover plate 202, the spring piece 204 is of a structure in the prior art, and the products to be welded clamped between the cover plate 202 and the bottom plate 201 are pre-positioned through the spring piece 204, so that the positioning of the products to be welded is more accurate, and the bonding efficiency is improved. The manual welding table further comprises a heating module 300, the heating module 300 comprises a heating block 301 and a heating rod 302 penetrating through the heating block 301, the heating block 301 is arranged between the base 100 and the bonding head 10, one end of the heating block 301, which faces the bonding head 10, is used for bearing the positioning clamp 200, heat is transferred to the heating block 301 through the heating rod 302, the heating block 301 has a certain temperature, the heating block 301 transfers heat to the positioning clamp 200, the temperature can be set according to actually bonded products to be welded, the products to be welded in the positioning clamp 200 can be preheated during bonding, the bonding is facilitated to be carried out smoothly, and the bonding efficiency is correspondingly improved. In addition, the heating module 300 is movably connected with the base 100, that is, the heating module 300 can move relative to the base 100, compared with a standard welding table fixedly connected with a wire bonding machine, the heating module 300 can adapt to a product to be welded with a larger size, the position of the heating module 300 is correspondingly changed, the universality of the manual welding table is improved, the problem that the product cannot be placed due to the standard welding table with a limited size or only 1-2 products can be placed due to the use of a special fixture with high manufacturing cost is avoided, by arranging the welding table with manual feeding, compared with the welding table on standard equipment, the welding table with a larger size can weld the product with a larger size, so that the bonding efficiency is improved, in addition, the manual welding table further comprises a height adjusting mechanism 400, one end of the height adjusting mechanism 400 is connected with the base 100, and the other end of the height adjusting mechanism 400 is connected with the heating module 300, and the height adjusting mechanism 400 is used for adjusting the distance between the heating module 300 and the bonding head 10 along the height direction of the base 100.

Specifically, the height adjusting mechanism 400 is located between the heating module 300 and the base 100, and since the heating module 300 is movably connected with the base 100, by setting the height adjusting mechanism 400, the heating module 300 can move along the height direction, that is, along the direction close to or far away from the bonding head 10, so that the product to be welded in the positioning fixture 200 located on the heating module 300 can move accordingly, thereby accommodating the product to be welded with different heights, the embodiment illustrates that the height of the product to be welded is greater than 0mm and less than or equal to 25mm, when the height of the product to be welded is 10mm, only the height of the heating module 300 is required to be adjusted downwards by the height adjusting mechanism 400, so that the bonding surface of the product to be welded on the positioning fixture 200 can be at the optimal position, and further, the product to be welded with different sizes, particularly different from the standard height, can be bonded and avoid colliding with the bonding head 10, thereby improving the application range of the manual welding table and the universality thereof, and enabling the product to be welded with different sizes to be lower than the special fixture to be customized for the product cost with different sizes by replacing the welding table.

In this embodiment, the height adjusting mechanism 400 includes a base 401, an adapter 402, a screw 403, a handheld portion 404 and a locking member 405, where the base 401 is located in a middle area of the base 100 and is connected with the base 100 through a bolt, the base 401 is also in a trapezoid structure and is flat towards one end surface of the bonding head 10, the handheld portion 404 is fixedly connected with the screw 403, the screw 403 is inserted into the handheld portion 404, the handheld portion 404 is in a ring structure, one end of the screw 403 towards the bonding head 10 has an external thread and is screwed with the adapter 402, the height adjusting mechanism 400 is connected with the heating module 300 through the adapter 402, the other end of the screw 403 extends into the base 401 and is connected to the base 401 through a bearing, a user rotates the handheld portion 404 to drive the screw 403 to rotate, and at the same time, the adapter 402 can move along the vertical direction of the screw 403 according to the external thread, so that the heating module 300 can correspondingly move in the height direction, and the position of the heating module 300 can correspondingly change from the bonding head 10.

Simultaneously, still be provided with locking piece 405 on the base 401, locking piece 405 is the bolt, locking piece 405 is located on the base 401 and is located the below of handheld portion 404, locking piece 405 spiro union is on the base 401 and the tip of locking piece 405 sets up towards the lateral part of screw rod 403, be close to or keep away from screw rod 403 through knob locking piece 405 so that its tip, realize the locking to screw rod 403 when the lateral part butt of its tip and screw rod 403, screw rod 403 can't continue to rotate this moment, corresponding height-adjusting back carries out the locking to screw rod 403 through locking piece 405 in order to keep the height after adjusting for the height-adjusting back heating module 300 can keep relatively static, with the cooperation bonding head 10 carries out the bonding, avoid the high change that the mistake touches handheld portion 404 and lead to.

In other embodiments, the height adjusting mechanism 400 may also be a hydraulic cylinder or an air cylinder, and is electrically connected to the control board, and the hydraulic cylinder or the air cylinder is correspondingly telescopic according to the signal sent by the control board, which is the prior art and will not be described herein in detail.

In this embodiment, the manual welding table further includes a mounting portion 500, the mounting portion 500 is located between the heating module 300 and the base 100, the mounting portion 500 is detachably connected to the heating module 300, and one end of the height adjusting mechanism 400 facing the heating module 300 is connected to a side surface of the mounting portion 500.

Specifically, the adaptor 402 is in a triangular structure, one side of the triangular structure is connected with the side of the screw 403, the other side of the triangular structure is connected with the side of the mounting portion 500, compared with the side of the mounting portion 500, the height adjusting mechanism 400 is connected to the bottom of the mounting portion 500, so that the height space of the manual welding table in the vertical direction can be saved, the application range of the manual welding table with adjustable height is further enlarged, the mounting portion 500 is in a rectangular structure, the mounting portion 500 and the heating module 300 are connected through bolts, when the heating module 300 with different sizes faces to be welded, the heating module 300 with different sizes can be replaced, for example, when the heating module 300 with the smaller bonding size is selected, the bonding cost is increased due to heating of the unoccupied heating module 300 area, and when the heating module 300 with the larger bonding size is selected, the heating module 300 with the larger bonding size is not selected, so that the problem of poor universality caused by bonding of the part of the product to be welded due to limited size and fixed connection with the bonding machine is avoided. In addition, the height adjusting mechanism 400 is connected with the mounting part 500, so that the problem that the height adjusting mechanism 400 burns hands due to direct connection with the heating module 300 is avoided, and the use experience of a user is improved.

In this embodiment, the mounting portion 500 includes a first mounting member 501, a second mounting member 502 and a third mounting member 503, where the second mounting member 502 is movably connected to the base 100, the first mounting member 501 and the third mounting member 503 are fixedly connected to the base 100, it is understood that the second mounting member 502 is connected to the heating module 300 through bolts, the adapter 402 is connected to a side surface of the second mounting member 502, the first mounting member 501 and the third mounting member 503 are respectively located at two sides of the second mounting member 502, a guide rail is disposed on a side of the first mounting member 501 and the third mounting member 503 corresponding to the second mounting member 502, the guide rail is recessed in a direction away from the second mounting member 502, and correspondingly, two sides of the second mounting member 502 are provided with sliders, and the sliders are slidingly connected to the guide rail.

Specifically, the slider is rectangular structure, and sets up along the direction of height of base 100, and the guide rail is rectangular groove and sets up along the direction of height of base 100, and the slider slides and locates in the guide rail to make second mounting piece 502 follow the direction of height of base 100 when being driven and remove by high adjustment mechanism 400, first mounting piece 501 and third mounting piece 503 play the guide effect to second mounting piece 502, so that the height of heating module 300 is more accurate in the adjustment process, avoids appearing the condition that the interval between the different positions of positioning fixture 200 and bonding head 10 that the skew leads to has the difference.

Further, the first mounting piece 501 and/or the third mounting piece 503 are/is provided with a limiting block 20, and the second mounting piece 502 is provided with a pin corresponding to the limiting block 20, so that when the second mounting piece 502 moves, the limiting block 20 is abutted with the pin to limit the movement of the second mounting piece 502 in the height direction, so that the heating module 300 and the positioning fixture 200 are prevented from being excessively high and colliding with the bonding head 10 due to excessively high height, and structural interference is prevented from damaging the bonding head 10.

In this embodiment, at least one tension spring 30 is further disposed between the base 100 and the second mounting member 502.

Specifically, both ends of the tension spring 30 are respectively and fixedly connected to the base 100 and the second mounting piece 502, when the second mounting piece 502 moves along the height direction of the base 100 through the height adjusting mechanism 400, the moving height of the second mounting piece 502 can be limited through the limiting block 20 and the pin, the moving height of the second mounting piece 502 can be kept unchanged through the tension spring 30 by using the tension spring 30 to self-pull the moving second mounting piece 502, namely, the second mounting piece 502 is tensioned, and the instability of the positioning clamp 200 in the height direction caused by the problem that the second mounting piece 502 possibly floats after moving is avoided.

In this embodiment, the heating module 300 is further provided with a limiting pin 40, and the limiting pin 40 is disposed along a vertical direction and is close to the bonding head 10.

Specifically, the limiting pin 40 is located on the heating block 301 of the heating module 300, the limiting pin 40 is arranged along the vertical direction, wherein the bonding head 10 is located on one side of the heating block 301, the bonding head 10 extends to the position right above the heating block 301 along the horizontal direction during bonding, and the limiting pin 40 is arranged close to the bonding head 10, so that the positioning fixture 200 can abut against the limiting pin 40 to perform pre-positioning when placed on the heating block 301, dislocation caused by loosening of the positioning fixture 200 and the heating block 301 after the positioning fixture 200 is placed on the heating block 301 is avoided, and bonding failure caused by dislocation is avoided.

In addition, the spacing pin 40 is disposed close to the bonding head 10, so that the side of the positioning fixture 200 where the user is placed is the side far away from the bonding head 10, which effectively positions the working area of the user, and avoids a series of safety problems caused by too close to the bonding head 10.

In this embodiment, an accommodating groove is provided at one end of the heating block 301 away from the bonding head 10, a vacuum generator 50 is provided in the accommodating cavity, an adsorption hole is correspondingly provided on the top surface of the heating block 301, the adsorption hole is communicated with the vacuum generator 50, positioning of the positioning fixture 200 is achieved by starting the vacuum generator 50, and further bonding precision and efficiency are improved, the vacuum generator 50 is of a structure in the prior art, and control is performed through a vacuum switch, and its control logic is not an improvement of this embodiment, and will not be repeated here.

In this embodiment, the vacuum generator 50 and the limiting pin 40 are selected for matching and positioning for the product to be welded with a larger size or the product to be welded with an extra large size, so that the cost of the manual welding table is saved, and the heating module 300 with a larger size is installed. The manual welding table further comprises a pressing mechanism 600 for positioning the positioning fixture 200 by the pressing mechanism 600 to improve the bonding precision, and of course, in other embodiments, the manual welding table may be optionally combined, for example, the manual welding table is positioned by the pressing mechanism 600 alone or the vacuum generator 50 alone, and the pressing mechanism 600 and the vacuum generator 50 cooperate to perform positioning together, so that the user may select the manual welding table according to the actual working conditions, and the pressing mechanism 600 may be detached or mounted on the first mounting member 501 and the third mounting member 503.

As shown in fig. 3, 4, 5 and 8, specifically, the pressing mechanism 600 includes a pressing claw 601 and an air cylinder 602 driving the pressing claw 601 to move, the pressing claw 601 includes a pressing portion 6011 and a bearing portion 6012, the pressing portion 6011 is of a "Y" shaped structure, the bearing portion 6012 is rotatably connected to an intermediate region of the "Y" shaped structure by a bearing, the bearing portion 6012 is connected to a side portion in a width direction of the second mount 502 by a bolt, one end of the bearing portion 6012 and an end of the pressing portion 6011 away from the second mount 502 are provided with a spring 6013 to rotate around the bearing by elastic urging of the spring 6013 itself, an end of the "Y" shaped structure near the second mount 502 is correspondingly provided above the positioning jig 200, the pressing claw 601 further has an abutting portion 6014, the abutting portion 6014 is integrally formed with the pressing portion 6014 and provided perpendicular to the "Y" shaped structure, the abutting portion 6014 is provided toward the base 100, the cylinder 602 is arranged below the Y-shaped structure, the cylinder 602 is arranged on the first mounting piece 501 or the third mounting piece 503 along the horizontal direction, the extending end of the cylinder 602 is arranged corresponding to the abutting part 6014, when the positioning clamp 200 is mounted, the cylinder 602 is started to enable the extending end to push against the abutting part 6014, correspondingly, the Y-shaped structure rotates and presses the spring 6013, the end of the Y-shaped structure close to the second mounting piece 502 leaves the space above the heating block 301, after the positioning clamp 200 is positioned through the limiting pin 40 and the vacuum generator 50, the cylinder 602 is closed, the Y-shaped structure is driven to rotate through the self elastic force of the spring 6013 and the end close to the second mounting piece 502 is pressed on the top surface of the positioning clamp 200, namely, the manual feeding process is completed and the positioning clamp 200 is jointly positioned through the vacuum generator 50 and the pressing mechanism 600, and the material taking process is operated in the opposite mode, and will not be described in detail herein. The bonding reliability is correspondingly increased through the combined action of the vacuum generator 50 and the pressing mechanism 600 on the positioning fixture 200, so that the situation that the positioning fixture 200 is separated from the heating module 300 on the basis of the positioning failure of the vacuum generator 50 on the positioning fixture 200 is avoided.

In the present embodiment, the first mounting member 501 or the third mounting member 503 is provided with the hand rest 60, and the hand rest 60 is not lower than the height of the heating module 300 toward the end of the bonding head 10 along the height direction of the base 100.

Specifically, the hand rest 60 has a "U" structure, one end of the hand rest 60 is located above the first mounting piece 501 or the third mounting piece 503, the other end of the hand rest is fixedly connected with the first mounting piece 501 or the third mounting piece 503 through a bolt, one end of the hand rest located above the first mounting piece 501 or the third mounting piece 503 has a flat surface, and the height of the hand rest is higher than or equal to the height of the top surface of the heating block 301 of the heating module 300, when a user is in bonding, the temperature of the area where the bonding head 10 is located is higher, other areas cannot provide support for the hands of the user, and the hand rest 60 is used for supporting the hands of the user when the user is in bonding, in addition, the hand rest 60 is arranged on the first mounting piece 501 or the third mounting piece 503 and has a certain distance from the area where the bonding head 10 is located, so that when the hands of the user is placed on the hand rest 60, heat insulation and scald prevention can be realized, a series of safety problems caused by the fact that the hands of the user are in mistakenly touching the heating module 300 or the bonding head 10 are avoided, and the use safety of the manual welding table is improved.

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.

Claims

1. A manual welding station, the manual welding station corresponding to a welding area of a wire bonding machine, the manual welding station comprising:

2. The manual welding table as claimed in claim 1, wherein the height adjusting mechanism comprises a base, an adapter, a screw, a hand-held part and a locking part, the height adjusting mechanism is connected with the heating module through the adapter, the hand-held part is fixedly connected with the screw, one end of the screw is in threaded connection with the adapter, the other end of the screw is in threaded connection with the base, and the locking part is located on the base and is in threaded connection with the side part of the screw.

3. The manual welding station of claim 1, further comprising a mounting portion between said heating module and said base, said mounting portion being removably coupled to said heating module, said height adjustment mechanism being coupled to a side of said mounting portion toward one end of said heating module.

4. The manual welding table as claimed in claim 3, wherein the mounting portion comprises a first mounting member, a second mounting member and a third mounting member, the second mounting member is correspondingly disposed below the heating module, the first mounting member and the third mounting member are respectively disposed at two sides of the second mounting member, a guide rail is disposed at one side of the first mounting member and one side of the third mounting member, which corresponds to the second mounting member, and two sides of the second mounting member are provided with sliding blocks, and the sliding blocks are slidably connected in the guide rail.

5. The manual welding station of claim 4, wherein a stopper is provided on the first mounting member and/or the third mounting member for restricting a height of the second mounting member to be moved upward in a height direction of the base.

6. The manual welding station of claim 4, wherein at least one tension spring is further disposed between said base and said second mounting member.

7. The manual welding station of claim 1, wherein the heating module is further provided with a limiting pin, and the limiting pin is disposed along a vertical direction and is close to the bonding head.

8. The manual welding station of claim 1, further comprising a vacuum generator positioned below said heating module for positioning said positioning fixture.

9. The manual welding table as claimed in claim 1, further comprising a pressing mechanism including a pressing claw and a cylinder driving the pressing claw to move, wherein one end of the pressing claw is disposed corresponding to the top surface of the positioning jig, the other end of the pressing claw is abutted with the cylinder, the pressing claw moves away from the top surface of the positioning jig when the cylinder is extended, and the pressing claw is abutted with the top surface of the positioning jig when the cylinder is contracted.

10. The manual welding station of claim 4, wherein a hand rest is provided on the first mounting member or the third mounting member, and the hand rest is not lower than a height of an end of the heating module toward the bonding head in a height direction of the base.