CN219966704U - Hot-press welding jig - Google Patents

Abstract

The utility model provides a hot-press welding jig which comprises a fixed plate, a first adjusting component and a second adjusting component, wherein the first adjusting component and the second adjusting component are arranged on the fixed plate; the first adjusting assembly comprises a first knob assembly, a first fixing structure and a first guiding structure, wherein the first knob assembly is used for enabling the first fixing structure to move along the first guiding structure in a first direction; the second adjusting assembly comprises a second knob assembly, a second fixing structure and a second guiding structure, and the second knob assembly is used for enabling the second fixing structure to move along the second guiding structure in a second direction; the first direction and the second direction are perpendicular to each other, and the first fixing structure and the second fixing structure are arranged at intervals in the first direction. The hot-press welding jig provided by the utility model can enable the welding point of the welding piece to be aligned accurately, thereby improving the welding quality, and meanwhile, the hot-press welding jig is small in size and high in portability.

Description

Hot-press welding jig

Technical Field

The utility model relates to the technical field of welding auxiliary equipment, in particular to a hot-press welding jig.

Background

The hot press welding is a welding process for connecting a flexible circuit board and a rigid circuit board, and is an emerging manufacturing process and an important component in the technical field of microelectronic surface assembly, and a stable and efficient hot press welding process is certainly an important link for ensuring good quality of products.

At present, when the flexible circuit board and the rigid circuit board are subjected to hot-press welding, the problem that the to-be-welded points of the flexible circuit board and the rigid circuit board are difficult to align often exists, the welding quality is affected, and even the flexible circuit board and the rigid circuit board are scrapped due to the reasons of welding dislocation and the like.

Disclosure of Invention

Based on the above, the utility model provides a hot-press welding jig, which solves the problem that welding points of welding parts are not easy to align in the prior art.

In order to achieve the above object, the technical solution of the embodiment of the present utility model is as follows:

the embodiment of the utility model provides a hot-press welding jig which comprises a fixed plate, a first adjusting component and a second adjusting component, wherein the first adjusting component and the second adjusting component are arranged on the fixed plate; the first adjusting assembly comprises a first knob assembly, a first fixing structure and a first guiding structure, wherein the first knob assembly is used for enabling the first fixing structure to move along the first guiding structure in a first direction; the second adjusting assembly comprises a second knob assembly, a second fixing structure and a second guiding structure, and the second knob assembly is used for enabling the second fixing structure to move along the second guiding structure in a second direction; the first direction and the second direction are perpendicular to each other, and the first fixing structure and the second fixing structure are arranged at intervals in the first direction.

In one embodiment, the first adjusting component and the second adjusting component are detachably connected with the fixed plate respectively; the first adjusting component and the second adjusting component are made of ferromagnetic substances; magnets are respectively arranged at the corresponding positions of the fixed plate, the first adjusting assembly and the second adjusting assembly; the first adjusting component, the second adjusting component and the fixing plate are fixed through magnetic attraction of the magnet.

In one embodiment, the first fixing structure comprises a first fixing block and a first baffle plate rotationally connected with the first fixing block; the surface of the first fixed block, which is far away from one side of the fixed plate, is provided with a first mounting groove, and the first mounting groove is used for mounting a first welding piece; the first baffle is used for fixing the first welding piece when being adsorbed on the surface of the first fixing block.

In one embodiment, the first guide structure includes a first guide slot and a first guide pin that cooperate with each other; the first guide grooves are formed in the surface, close to one side of the fixed plate, of the first fixed block, the number of the first guide grooves is at least two, and the first guide grooves are arranged in parallel in the first direction; the first guide pin is arranged at a position of the fixed plate corresponding to the first guide groove; the first fixing block can move in a first direction along the first guide pin through the first guide groove.

In one embodiment, the first knob assembly includes a first adjustment knob and a first latch; the first adjusting knob comprises a first screw rod, a first blocking part, a first clamping part and a first rotating part, wherein the first blocking part, the first clamping part and the first rotating part are sequentially connected with the end part of the first screw rod; the first clamping block is fixedly connected with the fixing plate, a first bayonet is arranged on the first clamping block, and the first clamping part is arranged in the first bayonet; the first screw hole is formed in the surface of one side, facing the first screw rod, of the first fixing block, and the first screw hole is matched with the first screw rod.

In one embodiment, the first knob assembly further comprises a first spring, wherein the first spring is sleeved on the first screw rod between the first clamping block and the first fixing block.

In one embodiment, the second fixing structure comprises a second fixing block and a fixing clip; the fixing clamp is arranged on the surface of one side, far away from the fixing plate, of the second fixing block and is detachably connected with the second fixing block, and the fixing clamp is used for fixing a second welding piece;

the second guide structure comprises a second guide groove and a second guide pin; the second guide grooves are formed in the surface, close to one side of the fixed plate, of the second fixed block, the number of the second guide pins is at least two, and the second guide grooves are arranged in parallel in the second direction; the second guide pin is arranged at a position of the fixed plate corresponding to the second guide groove; the second fixing block can move along the second guide pin in the second direction through the second guide groove.

In one embodiment, the hot-press welding jig further includes a third adjusting component and a fourth adjusting component disposed on the fixing plate; the third adjusting assembly comprises a third knob assembly, a third fixing structure and a third guiding structure, and the third knob assembly is used for enabling the third fixing structure to move along the third guiding structure in a first direction; the fourth adjusting assembly comprises a fourth knob assembly, a fourth fixing structure and a fourth guiding structure, wherein the fourth knob assembly is used for enabling the fourth fixing structure to move along the fourth guiding structure in a second direction; the third fixing structure and the fourth fixing structure are arranged at intervals in the first direction.

In one embodiment, the fixing plate is provided with a plurality of hollowed-out holes.

In one embodiment, handles are respectively arranged on two sides of the fixing plate.

The utility model has at least the following beneficial effects: according to the hot-press welding jig, the first fixing structure and the second fixing structure are arranged at intervals in the first direction, the first welding piece can be fixed by the first fixing structure, the second welding piece can be fixed by the second fixing structure, and the positions of the first fixing structure and the second fixing structure on the fixing plate are relatively fixed, so that the first welding piece and the second welding piece have a thick and general relative position relation. Through first knob subassembly and second knob subassembly can carry out accurate positional relationship to first fixed knot structure and second fixed knot structure respectively in mutually perpendicular's two directions and adjust, make the accurate counterpoint of the welding point of first welding piece and second welding piece to improve welding quality and product quality.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a hot-press welding jig according to an embodiment of the utility model;

FIG. 2 is a schematic view of the thermocompression bonding tool of FIG. 1 with parts removed;

FIG. 3 is a schematic view of an exploded structure of the thermocompression bonding tool of FIG. 1 with a portion of the components removed;

FIG. 4 is a schematic view showing the bottom structure of a first fixing block according to an embodiment of the present utility model;

fig. 5 is a schematic bottom structure of a second fixing block according to an embodiment of the utility model.

The meaning of the various reference numerals in the drawings is as follows:

1. a fixing plate; 2. a second knob assembly; 3. a first fixed structure; 4. a first knob assembly; 5. a third knob assembly; 6. a third fixing structure; 7. a fourth knob assembly; 8. a fourth fixing structure; 9. a second fixing structure; 10. a tin bar positioning block;

11. a handle; 12. a hollowed hole; 13. a magnet groove; 14. waist-shaped holes; 15. a first guide pin; 16. a second guide pin; 21. a second spring; 22. a second blocking part; 23. a second clamping part; 24. a second rotating part; 25. a second clamping block; 31. a first fixed block; 311. a first notch portion; 312. a first mounting groove; 313. a first welding spot positioning groove; 314. a first guide groove; 315. a fixing hole; 32. a first baffle; 33. a rotating shaft; 41. a first rotating part; 42. a first clamping part; 43. a first blocking part; 44. a first screw; 45. a first clamping block; 451. a first bayonet; 61. a third fixed block; 62. a third baffle; 91. a second fixed block; 911. a second guide groove; 92. a fixing clamp; 921. pin holes.

Detailed Description

The technical scheme of the utility model is further elaborated below by referring to the drawings in the specification and the specific embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the implementations of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, a thermocompression bonding jig according to an embodiment of the utility model includes a fixing plate 1, a first adjusting assembly and a second adjusting assembly disposed on the fixing plate 1. The first adjusting member in the present embodiment is provided at the upper portion of the fixing plate 1, and the second adjusting member is provided below the first adjusting member, as illustrated in the direction shown in the drawings.

Specifically, in this embodiment, the fixing plate 1 is a rectangular plate, and in order to reduce the weight of the welding jig, a plurality of hollow holes 12 may be provided on the fixing plate 1 for weight reduction. The fixing plate 1, the first adjusting member and the second adjusting member in this embodiment are made of ferromagnetic substances such as iron, common steel (not stainless steel). The ferromagnetic substance is adopted to facilitate the connection of the subsequent fixed plate 1 and the first and second adjusting components in a magnetic attraction manner, and if the connection of the first and second adjusting components and the fixed plate 1 does not adopt the magnetic attraction manner, the fixed plate can be manufactured without adopting the ferromagnetic substance, and the specific material is not limited.

As shown in fig. 2, the first adjusting assembly includes a first knob assembly 4, a first fixing structure 3 and a first guiding structure, and the first knob assembly 4 is used for moving the first fixing structure 3 along the first guiding structure in a first direction.

As shown in fig. 1, the first fixing structure 3 includes a first fixing block 31 and a first barrier 32 rotatably connected to the first fixing block 31. As shown in fig. 3, specifically, a first mounting groove 312 is provided on the upper surface of the first fixing block 31 in the direction shown in the drawing, the first mounting groove 312 is used for mounting the first welding member, and the outer dimension of the first mounting groove 312 is adapted to the outer dimension of the first welding member. In order to facilitate the taking of the first welding member, the first fixing block 31 may be provided with a first notch portion 311, for example, in this embodiment, the first notch portion 311 is recessed from a side of the first fixing block 31 close to the first knob assembly 4 to a side far away from the first knob assembly 4, and the first notch portion 311 extends to the first mounting groove 312, so that a taking space is formed at the bottom of the first welding member when the first welding member is placed in the first mounting groove 312. A first welding point positioning groove 313 is provided on the upper surface of one end of the first fixing block 31 adjacent to the second adjusting assembly. When the first welding member is installed in the first installation groove 312, the portion to be welded of the first welding member is located above the first welding positioning groove. The first welding point positioning groove 313 is used for accommodating a portion to be welded of the second welding member, so that the portion to be welded of the first welding member and the portion to be welded of the second welding member overlap one another. As shown in fig. 2, a rotating shaft 33 is disposed at the left side of the first fixed block 31 in the drawing, one end of the first baffle 32 is inserted into the rotating shaft 33, and the rotating shaft 33 is rotatably connected with the first fixed block 31, so as to realize a left-right turning opening mode of the first baffle 32.

As shown in fig. 3, in the present embodiment, two magnet slots 13 are provided on the fixing plate 1 where the first fixing block 31 is provided, the two magnet slots 13 are respectively provided near the left and right ends of the first fixing block 31, and magnets (not shown) are respectively provided in the two magnet slots 13, and the magnets respectively attract the fixing plate 1 and the first fixing block 31, so that the first fixing block 31 and the fixing plate 1 form a detachable connection. Meanwhile, the magnet near the outer side of the first fixing block 31 can also be used as a switch of the first baffle 32, when the first baffle 32 is adsorbed on the magnet, the first welding piece can be fixed in the first mounting groove 312, and when the first baffle 32 is opened in a rotating way, the first welding piece can be taken and put. The outer end of the first baffle 32 protrudes outside the first fixing block 31, so that the first baffle 32 can be conveniently opened and closed.

As shown in fig. 3 and 4, the first guide structure of the present embodiment includes a first guide groove 314 and a first guide pin 15 that are used in cooperation with each other. In the present embodiment, there are two first guide grooves 314 provided on the lower surface of the first fixing block 31, and the first guide grooves 314 are provided in parallel in the vertical direction in the drawing, that is, in the first direction. The number of the first guide pins 15 is also two, and the first guide pins 15 are respectively arranged at positions corresponding to the two first guide grooves 314 of the fixing plate 1, and the first guide pins 15 are staggered in the up-down direction in the figure so as to avoid the left-right deflection when the first fixing block 31 moves along the first guide pins 15. In other embodiments, the specific structure of the first guiding structure is not limited as long as the first fixing block 31 can move up and down along the first guiding structure, for example, a sliding groove and a sliding rail structure can be used. In this embodiment, a mode of matching the guide grooves and the guide pins is adopted, firstly, the two first guide grooves 314 in this embodiment are through grooves, so that the processing is convenient, and secondly, the first guide grooves 314 have a larger degree of freedom when moving along the first guide pins 15, so that the locking can be prevented.

In some embodiments, in order to meet the needs of some special workpieces, at least two fixing holes 315 may be additionally formed at the bottom of the first fixing block 31, kidney-shaped holes 14 are additionally formed at corresponding positions of the fixing plate 1, and the first fixing block 31 and the fixing plate 1 are fixedly connected by penetrating screws in the kidney-shaped holes 14 and the fixing holes 315, which is suitable for the situation that the first welding piece does not need to be adjusted in the vertical position, i.e. the position of the first welding piece is relatively fixed, and only the second adjusting component needs to be adjusted to adjust the position of the second welding piece.

As shown in fig. 2 and 3, the first knob assembly 4 in this embodiment includes a first adjustment knob, a first spring, and a first latch 45. The first adjusting knob includes a first screw 44, and a first blocking portion 43, a first clamping portion 42, and a first rotating portion 41, which are sequentially connected to an end portion of the first screw 44. The first clamping block 45 is fixedly connected with the upper end part of the fixed plate 1, a first bayonet 451 is arranged on the first clamping block 45, and the first clamping part 42 is arranged in the first bayonet 451; the first fixing block 31 is provided with a first threaded hole facing a side surface of the first screw 44, and the first threaded hole is matched with the first screw 44. The first spring is sleeved on the first screw 44 between the first clamping block 45 and the first fixing block 31. Because the first adjusting knob is clamped and fixed on the first clamping block 45, when the first screw rod 44 is screwed into the first threaded hole, the first adjusting knob only rotates and does not displace up and down, and at this time, the first fixing block 31 moves along the first guiding structure in the direction approaching to the first adjusting knob; when the first screw 44 is screwed out of the first screw hole, the first fixing block 31 moves in a direction away from the first adjustment knob. In order to keep the first fixed block 31 in a tensioned state all the time, the first fixed block 31 is prevented from shaking and generating position deviation, the first screw 44 is sleeved with the first spring, and the first spring is always in a compressed state, so that the first spring always applies an outward thrust to the first fixed block 31, and the first fixed block 31 is kept tensioned.

As shown in fig. 1, the second adjusting assembly includes a second knob assembly 2, a second fixing structure 9 and a second guiding structure, wherein the second knob assembly 2 is used for moving the second fixing structure 9 along the second guiding structure in a second direction; the first direction and the second direction are perpendicular to each other, and the first fixing structure 3 and the second fixing structure 9 are arranged at intervals in the first direction.

As shown in fig. 2, the second knob assembly 2 includes a second adjustment knob, a second spring 21, and a second latch 25. The second adjusting knob includes a second screw (not shown) and a second blocking portion 22, a second clamping portion 23 and a second rotating portion 24 sequentially connected with an end of the second screw. As shown in fig. 3 and 5, the second guide structure includes two second guide grooves 911 and two second guide pins 16. The second knob assembly 2 and the second guiding structure are substantially identical to those of the first knob assembly 4 and the first guiding structure, and are not described herein, but only different in that the second knob assembly 2 is disposed at the right end of the fixing plate 1, the opening direction of the second guiding groove 911 of the second guiding structure is perpendicular to the opening direction of the first guiding groove 314, and the length direction of the second guiding groove 911 is the second direction. That is, the first guide structure is engaged with the first knob assembly 4, so that the first weldment fixed to the first fixing structure 3 can be adjusted in the vertical direction, and the second guide structure is engaged with the second knob assembly 2, so that the second weldment fixed to the second fixing structure 9 can be adjusted in the horizontal direction.

The welding jig of the present embodiment is used for thermocompression bonding, the first fixing block 31 is used for fixing a rigid circuit board, and the second fixing block 91 is used for fixing a flexible circuit board.

As shown in fig. 1, the second fixing structure 9 includes a second fixing block 91 and a fixing clip 92. The fixing clip 92 is provided on a surface of the second fixing block 91 on a side away from the fixing plate 1, i.e., an upper surface as shown in the drawing, and is detachably connected to the second fixing block 91, and the fixing clip 92 is used for fixing the second welding member. The fixing clip 92 may adopt an existing wire clip structure, corresponding pin holes 921 are respectively formed in the fixing clip 92 and the second fixing block 91, and the fixing clip 92 and the second fixing block 91 can be fixed relatively by inserting an insert pin into the pin holes 921, so that the second welding member on the fixing clip 92 can be moved simultaneously when the second fixing block 91 is moved.

The second adjusting component is detachably connected with the fixed plate 1 in a magnetic attraction mode.

When in use, the second welding piece is placed in the fixing clamp 92 to be clamped and fixed, the part to be welded of the second welding piece protrudes out of the upper edge of the second fixing block 91, the first welding piece is placed in the first mounting groove 312 of the first fixing block 31 and locked with the first baffle 32, and the first welding piece is fixed on the first fixing block 31, so that the part to be welded of the first welding piece is positioned above the first welding point positioning groove 313; the second rotating portion 24 is adjusted first to align the first welding positioning slot with the to-be-welded part of the second welding piece, and then the first rotating portion 41 is adjusted to insert the to-be-welded part of the second welding piece into the first welding spot positioning slot 313, so that the accurate alignment of the first welding piece and the second welding piece is completed. Tin bar positioning blocks 10 can be further arranged on two sides of the first welding spot positioning groove 313 of the first fixing block 31, and tin bars can be conveniently positioned with positions to be welded of the first welding piece and the second welding piece through the tin bar positioning blocks 10, so that welding quality is improved.

As shown in FIG. 1, since most flexible circuit boards often need to be welded with rigid circuit boards at both ends, a third adjusting assembly and a fourth adjusting assembly can be further provided to improve the use efficiency of the welding jig and facilitate the clamping of the flexible circuit boards. The third adjusting component and the fourth adjusting component and the first adjusting component and the second adjusting component are symmetrically arranged on two sides of the fixed plate 1 respectively, and of course, the installation positions on the fixed plate 1 can be set arbitrarily as long as clamping and positioning are convenient.

The third adjusting assembly comprises a third knob assembly 5, a third fixing structure 6 and a third guiding structure, wherein the third knob assembly 5 is used for enabling the third fixing structure 6 to move along the third guiding structure in the first direction; the fourth adjusting assembly comprises a fourth knob assembly 7, a fourth fixing structure 8 and a fourth guiding structure, wherein the fourth knob assembly 7 is used for enabling the fourth fixing structure 8 to move along the fourth guiding structure in the second direction; the third fixing structure 6 and the fourth fixing structure 8 are disposed at intervals in the first direction.

The third adjusting assembly is similar to the first adjusting assembly in structure, and the fourth adjusting assembly is similar to the second adjusting assembly in structure, and will not be described again here.

The third baffle plate 62 in the third fixing structure 6 in the third adjusting component in this embodiment is rotationally connected with the third fixing block 61, the opening direction of the third baffle plate 62 is that the third baffle plate 62 is turned upside down, the turning opening directions of the first baffle plate 32 and the third baffle plate 62 can be specifically set according to the shape of the actual welding piece, the part to be welded, and the like, so that the installation of the welding piece is convenient, and the interference welding part can not be blocked.

As shown in fig. 1 and 3, in order to improve portability of the welding jig, a plurality of hollowed holes 12 may be formed on the fixing plate 1 to reduce weight of the fixing plate 1. A handle 11 can be arranged on two sides of the fixed plate 1 respectively, so that the welding jig can be conveniently lifted.

The hot-press welding jig disclosed by the utility model is small in size, light in weight and high in portability, has two welding stations, improves the use efficiency of the jig, can be used for respectively adjusting the positions of welding pieces in the up-down direction and the left-right direction (relative to the illustrated direction, in actual use, the fixing plate is horizontally arranged, and the directions are the front-back direction and the left-right direction in actual use), so that the two welding pieces are accurately aligned, and the welding quality is improved.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. A hot-press welding jig is characterized in that: the device comprises a fixed plate, a first adjusting component and a second adjusting component which are arranged on the fixed plate; the first adjusting assembly comprises a first knob assembly, a first fixing structure and a first guiding structure, wherein the first knob assembly is used for enabling the first fixing structure to move along the first guiding structure in a first direction; the second adjusting assembly comprises a second knob assembly, a second fixing structure and a second guiding structure, and the second knob assembly is used for enabling the second fixing structure to move along the second guiding structure in a second direction; the first direction and the second direction are perpendicular to each other, and the first fixing structure and the second fixing structure are arranged at intervals in the first direction.

2. The thermocompression bonding tool of claim 1, wherein: the first adjusting component and the second adjusting component are detachably connected with the fixed plate respectively; the first adjusting component and the second adjusting component are made of ferromagnetic substances; magnets are respectively arranged at the corresponding positions of the fixed plate, the first adjusting assembly and the second adjusting assembly; the first adjusting component, the second adjusting component and the fixing plate are fixed through magnetic attraction of the magnet.

3. The thermocompression bonding tool of claim 2, wherein: the first fixing structure comprises a first fixing block and a first baffle plate rotationally connected with the first fixing block; the surface of the first fixed block, which is far away from one side of the fixed plate, is provided with a first mounting groove, and the first mounting groove is used for mounting a first welding piece; the first baffle is used for fixing the first welding piece when being adsorbed on the surface of the first fixing block.

4. The thermocompression bonding tool of claim 3, wherein: the first guide structure comprises a first guide groove and a first guide pin which are matched with each other for use; the first guide grooves are formed in the surface, close to one side of the fixed plate, of the first fixed block, the number of the first guide grooves is at least two, and the first guide grooves are arranged in parallel in the first direction; the first guide pin is arranged at a position of the fixed plate corresponding to the first guide groove; the first fixing block can move in a first direction along the first guide pin through the first guide groove.

5. The thermocompression bonding tool of claim 4, wherein: the first knob assembly comprises a first adjusting knob and a first clamping block; the first adjusting knob comprises a first screw rod, a first blocking part, a first clamping part and a first rotating part, wherein the first blocking part, the first clamping part and the first rotating part are sequentially connected with the end part of the first screw rod; the first clamping block is fixedly connected with the fixing plate, a first bayonet is arranged on the first clamping block, and the first clamping part is arranged in the first bayonet; the first screw hole is formed in the surface of one side, facing the first screw rod, of the first fixing block, and the first screw hole is matched with the first screw rod.

6. The thermocompression bonding tool of claim 5, wherein: the first knob assembly further comprises a first spring, and the first spring is sleeved on the first screw rod between the first clamping block and the first fixing block.

7. The thermocompression bonding tool of claim 2, wherein: the second fixing structure comprises a second fixing block and a fixing clamp; the fixing clamp is arranged on the surface of one side, far away from the fixing plate, of the second fixing block and is detachably connected with the second fixing block, and the fixing clamp is used for fixing a second welding piece;

the second guide structure comprises a second guide groove and a second guide pin; the second guide grooves are formed in the surface, close to one side of the fixed plate, of the second fixed block, the number of the second guide pins is at least two, and the second guide grooves are arranged in parallel in the second direction; the second guide pin is arranged at a position of the fixed plate corresponding to the second guide groove; the second fixing block can move along the second guide pin in the second direction through the second guide groove.

8. The thermocompression bonding tool of claim 2, wherein: the device also comprises a third adjusting component and a fourth adjusting component which are arranged on the fixed plate; the third adjusting assembly comprises a third knob assembly, a third fixing structure and a third guiding structure, and the third knob assembly is used for enabling the third fixing structure to move along the third guiding structure in a first direction; the fourth adjusting assembly comprises a fourth knob assembly, a fourth fixing structure and a fourth guiding structure, wherein the fourth knob assembly is used for enabling the fourth fixing structure to move along the fourth guiding structure in a second direction; the third fixing structure and the fourth fixing structure are arranged at intervals in the first direction.

9. The thermocompression bonding tool of claim 1, wherein: the fixing plate is provided with a plurality of hollowed-out holes.

10. The thermocompression bonding tool of claim 1, wherein: handles are respectively arranged on two sides of the fixing plate.