Aligning and laminating jig for glass plate and ITO (Indium Tin Oxide) film

Abstract

The utility model belongs to the technical field of fitting jigs, and particularly relates to an aligning fitting jig for a glass plate and an ITO (Indium Tin Oxide) film, which comprises a jig body and a plurality of first limiting columns, the surface of the jig body is provided with a plurality of positioning grooves and a plurality of air suction holes, the air suction holes are distributed in the central area of the jig body in a rectangular array, and the first limiting columns are arranged in the positioning grooves. The multiple positioning grooves are distributed in the periphery of an area formed by the air suction holes in an array mode. And each first limiting column is detachably inserted into one positioning groove, so that the positions of the first limiting columns can be flexibly adjusted according to the sizes of the glass plate and the ITO film. The aligning and laminating jig can be repeatedly used, is suitable for laminating glass plates and ITO films with different sizes, and is simple and efficient to operate.

Description

Technical Field

[0001] This utility model relates to the field of bonding fixtures, and more specifically, to a bonding fixture for aligning glass plates and ITO films. Background Technology

[0002] Glass is an insulating and transparent material. By depositing a layer of ITO on the surface of a thin glass substrate using vacuum sputtering technology, a uniformly conductive, durable, and stable ITO film is formed. ITO films have low resistivity and extremely high light transmittance, and are widely used in LCD and OLED touch screen display devices.

[0003] In the touchscreen manufacturing process, an ITO film needs to be laminated onto the surface of a glass plate. During lamination, the glass plate is first placed on a platform with vacuum suction holes, and a vacuum pump is activated to hold the glass plate in place. The ITO film is then placed on another movable vacuum suction platform, and alignment is achieved by adjusting the platform's position. However, in actual operation, the positioning efficiency of the ITO film is poor, requiring workers to spend considerable time on alignment. Furthermore, when aligning and laminating glass plates and ITO films of different sizes, new suction platforms and positioning structures must be fabricated, as the suction platforms are not reusable. Summary of the Invention

[0004] The purpose of this invention is to provide an alignment and bonding fixture for a glass plate and an ITO film, which solves the problems of existing technologies that require manual alignment and bonding of the ITO film by workers, resulting in poor work efficiency, and the lack of reusability of existing adsorption platforms.

[0005] The present invention provides an alignment and bonding fixture for a glass plate and an ITO film, comprising a fixture body and a plurality of first limiting posts. The surface of the fixture body has a plurality of positioning grooves and a plurality of air suction holes. The plurality of air suction holes are arranged in a rectangular array in the central region of the fixture body, and the plurality of positioning grooves are arranged in an array on the outer periphery of the region formed by the air suction holes. Each first limiting post is detachably inserted into one of the positioning grooves.

[0006] In one embodiment, the bottom end of the first limiting post is provided with an external thread, and the inner wall of each positioning groove is provided with an internal thread, and the first limiting post is threadedly connected to the positioning groove.

[0007] In one embodiment, the top of the first limiting post is provided with a first groove, and the first groove is polygonal in shape.

[0008] In one embodiment, the system further includes a plurality of second limiting posts. Each second limiting post includes a plug-in portion, a movable portion, and a spring. The plug-in portion is detachably plugged into one of the positioning slots and has a sliding groove inside. One end of the movable portion is slidably plugged into the sliding groove, and both ends of the spring abut against the inner wall of the sliding groove and the movable portion, respectively.

[0009] In one embodiment, the outer wall of the plug is provided with an external thread, and the inner wall of each positioning groove is provided with an internal thread, and the plug is threadedly connected to the positioning groove.

[0010] In one embodiment, the top of the movable part is provided with a second groove, the second groove being polygonal in shape; the second limiting post also includes a connecting block, the connecting block being polygonal in shape, the outline of the opening of the slide facing the movable part is also polygonal, the connecting block is embedded in the opening of the slide and fixedly connected to the movable part, and one end of the spring abuts against the connecting block.

[0011] In one embodiment, the top surface of the movable part is provided with a silicone layer.

[0012] In one embodiment, the fixture body has an air intake groove inside, which is connected to all the air intake holes. The air intake groove is fixedly connected to an air pipe connector, which is used to connect to an external negative pressure device.

[0013] The advantages of this utility model are:

[0014] This invention features multiple suction holes and positioning grooves on the fixture body. The suction holes are arranged in a rectangular array in the central area of ​​the fixture body, while the positioning grooves are arranged in an array around the outer periphery of the rectangular area formed by the suction holes. This allows for flexible adjustment of the positions of multiple first limiting posts to match the sizes of the glass plate and ITO film to be aligned and bonded. The first limiting posts limit the positions of the glass plate and ITO film, while the suction holes adhere the ITO film to the surface of the fixture body, achieving alignment and bonding of the glass plate and ITO film. The alignment and bonding fixture is reusable and suitable for bonding glass plates and ITO films of different sizes. During the bonding process, the glass plate and ITO film are simply slid down along the surface of the first limiting posts and placed between the areas formed by the multiple first limiting posts to complete the alignment. The operation is simple and efficient. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 A schematic diagram showing the alignment and bonding of a glass plate and an ITO film on the alignment and bonding fixture of this utility model is provided.

[0017] Figure 2 This is a schematic diagram of the overall structure of the alignment and fitting fixture of this utility model;

[0018] Figure 3 This is a partial cross-sectional view of the jig body of the alignment and fitting jig of this utility model, to show the structure of the air intake hole, positioning groove and air intake groove;

[0019] Figure 4 This is a schematic diagram of the structure of the first limiting post of the alignment and bonding fixture of this utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the second limiting post of the alignment and fitting fixture of this utility model.

[0021] In the diagram: 1. Fixture body; 101. Clearance groove; 102. Mounting hole; 103. Suction groove; 104. Suction hole; 105. Positioning groove; 11. Air pipe connector; 12. Suction pipe; 2. First limiting post; 201. First groove; 21. First thread; 3. Second limiting post; 301-Slide groove; 302-Second groove; 31-Plug-in part; 311-Second thread; 32-Moving part; 321-Silicone layer; 33-Spring; 34-Connecting block; 400. Glass plate. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0023] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0024] This application discloses an alignment and bonding fixture for a glass plate and an ITO film, including a fixture body 1 and a plurality of first limiting posts 2. The surface of the fixture body 1 has a plurality of positioning grooves 105 and a plurality of suction holes 104. The plurality of suction holes 104 are arranged in a rectangular array in the central region of the fixture body 1, and the plurality of positioning grooves 105 are arranged in an array on the outer periphery of the region formed by the suction holes 104. Each first limiting post 2 is detachably inserted into one of the positioning grooves 105.

[0025] Specifically, the fixture body 1 is roughly square in shape. Four recessed grooves 101 are formed at the four corners of the fixture body 1. Each recessed groove 101 is a recess created by the downward movement of the corners. The bottom of each recessed groove 101 has mounting holes 102. This allows the fixture body 1 to be fixedly mounted on the workbench using four screws that correspond one-to-one with the mounting holes 102 in the recessed grooves 101 at each of the four corners. The recessed grooves 101 also prevent the tips of the screws from protruding from the surface of the fixture body 1 and scratching the user or the product.

[0026] The surface of the fixture body 1 has multiple positioning grooves 105 and multiple suction holes 104. All suction holes 104 are arranged in a rectangular array of multiple rows and columns in the central area of ​​the fixture body 1. That is, the distribution area of ​​the suction holes 104 forms a rectangular area. All suction holes 104 can be connected to an external negative pressure device, thereby creating negative pressure within the suction holes 104. All positioning grooves 105 are also arranged in a rectangular array of multiple rows and columns on the outer periphery of the rectangular area formed by the suction holes 104. That is, all positioning grooves 105 are distributed on the outer periphery of the suction holes 104, and the distribution area of ​​the positioning grooves 105 forms a U-shape.

[0027] Each first limiting post 2 has its bottom end detachably inserted into one of the positioning grooves 105. For example, the inner wall of each positioning groove 105 may be provided with internal threads, and the surface of the bottom end of the first limiting post 2 may be provided with external threads, so that the first limiting post 2 is detachably threadedly connected to one of the positioning grooves 105. Alternatively, each first limiting post 2 may have multiple protrusions made of elastic rubber at its bottom end, allowing the first limiting post 2 to be detachably inserted into the positioning groove 105, with the protrusions on the surface of the first limiting post 2 abutting against the inner wall of the positioning groove 105, thus preventing the first limiting post 2 from easily dislodging from the positioning groove 105.

[0028] The number of first limiting posts 2 is at least three. The three first limiting posts 2 are respectively inserted into three different positions of the fixture body 1. When the glass plate 400 or ITO film is placed on the surface of the fixture body 1, the three first limiting posts 2 respectively abut against the three edges of the glass plate 400, thereby positioning and fixing the glass plate 400 by three-point positioning.

[0029] In use, the alignment and bonding fixture for the glass plate and ITO film is first fixed to the worktable with screws. Then, the glass plate 400 is placed in the central area of ​​the fixture body 1, covering all the suction holes 104 in the center of the fixture body 1. Next, multiple first limiting posts 2 are sequentially inserted into the positioning grooves 105 at the three edges of the glass plate 400, with at least one first limiting post 2 inserted at each edge. Each first limiting post 2 abuts against the corresponding edge of the glass plate 400. If the number of first limiting posts 2 is sufficient, two first limiting posts 2 can be inserted at intervals at each edge of the glass plate 400 to more securely limit the position of the glass plate 400. Once the positions of the first limiting posts 2 are determined, a simple positioning device is formed. Then, the glass plate 400 is temporarily removed from the surface of the fixture body 1. An ITO film of the same shape and size as the glass plate 400 is placed in the central area of ​​the fixture body 1, so that the edge of the ITO film gradually slides down along the corresponding surface of the first limiting post 2, with the ITO film positioned between the multiple first limiting posts 2. Next, an external negative pressure device, such as an air pump, is activated, creating negative pressure in all the air intake holes 104, thereby adsorbing the ITO film onto the surface of the fixture body 1. The adhesive film on the surface of the ITO film is peeled off, and the glass plate 400 is gradually slid down along the surface of the first limiting post 2 and placed on the ITO film, so that the glass plate 400 and the bottom ITO film are bonded and fixed together, thus completing the bonding. The external negative pressure device is then turned off, and the bonded glass plate 400 and ITO film can be removed as a whole.

[0030] This application provides multiple suction holes 104 and multiple positioning grooves 105 on the fixture body 1. The suction holes 104 are arranged in a rectangular array in the central area of ​​the fixture body 1, while the positioning grooves 105 are arranged in an array on the outer periphery of the rectangular area formed by the suction holes 104. This allows for flexible adjustment of the positions of the multiple first limiting posts 2 according to the required sizes of the glass plate 400 and ITO film to be aligned and bonded. The multiple first limiting posts 2 limit the glass plate 400 and ITO film, while the ITO film is adsorbed onto the surface of the fixture body 1 through the suction holes 104, achieving alignment and bonding of the glass plate 400 and ITO film. The alignment and bonding fixture is reusable and suitable for bonding glass plates 400 and ITO films of different sizes. During the bonding process, the glass plate 400 and ITO film are simply slid down along the surface of the first limiting posts 2 and placed between the areas formed by the multiple first limiting posts 2 to complete the alignment. The operation is simple and efficient.

[0031] In one embodiment, the bottom end of the first limiting post 2 is provided with an external thread, and the inner wall of each positioning groove 105 is provided with an internal thread. The first limiting post 2 is threadedly connected to the positioning groove 105.

[0032] like Figure 4 As shown, the bottom end of the first limiting post 2 has a first thread 21, and all the positioning slots 105 are provided with internal threads. In this way, the first limiting post 2 can be detachably inserted into any one of the positioning slots 105 of the fixture body 1 through a threaded connection. The first limiting post 2 is installed in the positioning slot 105 of the fixture body 1 through a threaded connection. The installation method is simple, flexible, and also facilitates the disassembly and replacement of the first limiting post 2.

[0033] In one embodiment, the top end of the first limiting post 2 is provided with a first groove 201, which is polygonal in shape. For example, the first groove 201 is hexagonal in shape, and is a hexagonal blind hole formed by the downward recess of the top surface of the first limiting post 2. By providing the first groove 201 at the top end of the first limiting post 2, the user can easily tighten the first limiting post 2 into the positioning groove 105 of the fixture body 1 using a hex wrench, or remove the first limiting post 2 from the positioning groove 105 of the fixture body 1 using a hex wrench.

[0034] In one embodiment, the alignment and fitting fixture further includes a plurality of second limiting posts 3. Each second limiting post 3 includes an insertion part 31, a movable part 32, and a spring 33. The insertion part 31 is detachably inserted into one of the positioning grooves 105, and the insertion part 31 has a sliding groove 301 inside. One end of the movable part 32 is slidably inserted into the sliding groove 301, and both ends of the spring 33 abut against the inner wall of the sliding groove 301 and the movable part 32, respectively.

[0035] like Figure 5 As shown, the second limiting post 3 includes a plug-in portion 31, a movable portion 32, and a spring 33. The plug-in portion 31 is generally columnar, and its bottom end is detachably plugged into any one of the positioning slots 105 of the fixture body 1. For example, the bottom surface of the plug-in portion 31 may also be provided with protrusions formed of elastic rubber, so that when the plug-in portion 31 is inserted into one of the positioning slots 105 of the fixture body 1, the protrusions on the surface of the plug-in portion 31 can tightly abut against the inner wall of the positioning slot 105, and the plug-in portion 31 is not easy to come out of the positioning slot 105. For positioning slots 105 with threads on the inner wall, the bottom end of the plug-in portion 31 is correspondingly provided with external threads, so that the plug-in portion 31 is detachably threadedly connected to one of the positioning slots 105. The plug-in portion 31 also has a sliding groove 301 extending along its own length direction. The sliding groove 301 has an opening at one end of the plug-in portion 31 facing the movable portion 32, and the other end of the sliding groove 301 is closed. The movable part 32 is also columnar, and its bottom end is slidably inserted into the opening of the slide groove 301. The spring 33 is disposed in the slide groove 301, with one end of the spring 33 abutting against the inner wall of the slide groove 301 and the other end of the spring 33 abutting against the bottom end of the movable part 32.

[0036] We know that some touchscreens have inconsistent sizes between their glass plate 400 and corresponding ITO film. The ITO film only needs to cover the display area, while the glass plate 400 has some extra space around the display area. Therefore, the size of the glass plate 400 is slightly larger than that of the ITO film. For touchscreens with this structure, if only the first limiting post 2 is used, it is not possible to simultaneously position the glass plate 400 and the ITO film of different sizes. Therefore, the glass plate 400 and the ITO film can be positioned separately using the first limiting post 2 and the second limiting post 3. Specifically, firstly, an ITO film is placed in the central area of ​​the fixture body 1, covering the air intake 104. Then, multiple second limiting posts 3 are respectively inserted into the positioning grooves 105 at at least three edges of the ITO film. At least one second limiting post 3 is inserted at each edge of the ITO film, and each second limiting post 3 abuts against the corresponding edge of the ITO film. In this way, the positions of at least three second limiting posts 3 are determined according to the size of the ITO film, and the ITO film to be bonded is limited by these second limiting posts 3. Similarly, the glass plate 400 is placed in the central area of ​​the fixture body 1. Since the size of the glass plate 400 is larger than the corresponding ITO film, the glass plate 400 will cover the second limiting post 3 pre-inserted into the fixture body 1. The movable part 32 of the second limiting post 3 will shrink under the gravity of the glass plate 400 and slide into the groove 301 of the insertion part 31. At the same time, the spring 33 is compressed until the glass plate 400 contacts the surface of the fixture body 1. Then, a plurality of first limiting posts 2 are respectively inserted into the positioning grooves 105 at at least three edge positions of the glass plate 400. At least one first limiting post 2 is inserted at each edge position of the glass plate 400. Each first limiting post 2 abuts against the corresponding edge of the glass plate 400. In this way, the positions of at least three first limiting posts 2 are determined according to the size of the glass plate 400. The glass plate 400 to be bonded is limited by these first limiting posts 2. During the bonding process, the ITO film is first gradually slid down along the second limiting post 3 and placed in the center area of ​​the fixture body 1. Then, the external negative pressure device is activated, creating negative pressure in the suction hole 104 and adsorbing the ITO film onto the surface of the fixture body 1. Next, the adhesive film on the surface of the ITO film is removed, and the glass plate 400 is gradually slid down along the surface of the first limiting post 2 and placed on the ITO film. When the glass plate 400 contacts the movable part 32 of the second limiting post 3, the glass plate 400 will press down on the movable part of the second limiting post 3 under its own weight, and the spring 33 will be compressed until the glass plate 400 contacts the surface of the fixture body 1, and the glass plate 400 and the bottom ITO film are bonded and fixed together, thus completing the bonding. Finally, the external negative pressure device is turned off, and the bonded glass plate 400 and ITO film are removed as a whole. The movable part 32 of the second limiting post 3 slides upward under the elastic force of the spring 33, and the second limiting post 3 returns to its initial state.

[0037] It should be noted that when the second limiting post 3 is installed, the plug part 31 is fully screwed into the positioning groove 105, and the movable part 32 can slide into the slide groove 301 and be located below the surface of the fixture body 1 when it is subjected to the pressure of the glass plate 400, so as not to affect the contact and adhesion between the glass plate 400 and the ITO film.

[0038] By providing a second limiting post 3, it is easy to limit the ITO film whose size is smaller than that of the glass plate 400; by providing a movable part 32 that can be slidably inserted into the slide groove 301, the second limiting post 3 can be retracted, so that when the glass plate 400 moves downward, the second limiting post 3 will not obstruct the contact and adhesion between the glass plate 400 and the ITO film; by providing a spring 33, it is easy for the movable part 32 to slide upward and return to its initial state under the elastic force of the spring 33.

[0039] In one embodiment, the outer wall of the insertion part 31 of the second limiting post 3 is provided with external threads, and the inner wall of each positioning groove 105 is provided with internal threads, and the insertion part 31 is threadedly connected to the positioning groove 105.

[0040] The bottom of the insertion part 31 of the second limiting post 3 is provided with a second thread 311, and the inner wall of each positioning groove 105 is provided with an internal thread. In this way, the insertion part 31 can be detachably inserted into the positioning groove 105 by means of threaded connection, which facilitates the disassembly and installation of the second limiting post 3 and makes the operation simple.

[0041] In particular, the second thread 311 at the bottom of the insertion part 31 of the second limiting post 3 is the same as the first thread 202 of the first limiting post 2, so that both the second limiting post 3 and the first limiting post 2 can be adapted to the first positioning groove 105, which can facilitate the use of positioning grooves 105 in different positions.

[0042] In one embodiment, the top end of the movable part 32 of the second limiting post 3 is provided with a second groove 302, and the shape of the second groove 302 is polygonal; the second limiting post 3 also includes a connecting block 34, which is polygonal in shape, and the outline of the opening of the slide groove 301 facing the movable part 32 is also polygonal. The connecting block 34 is embedded in the opening of the slide groove 301 and fixedly connected to the movable part 32, and one end of the spring 33 abuts against the connecting block 34.

[0043] The top surface of the movable part 32 is provided with a recessed second groove 302, which is polygonal in shape, for example, hexagonal. The second limiting post 3 also includes a connecting block 34, which is shaped like a nut and also has a polygonal outline. The opening of the slide groove 301 of the insertion part 31 facing the movable part 32 is also polygonal in shape. Moreover, the shape of the connecting block 34 matches the opening outline of the slide groove 301. For example, both the connecting block 34 and the opening outline of the slide groove 301 are hexagonal, and the size of the connecting block 34 is slightly smaller than the opening size of the slide groove 301. The connecting block 34 is embedded in the opening of the slide groove 301 and fixedly connected to the movable part 32. For example, the connecting block 34 can be integrally connected to the movable part 32, or the connecting block 34 and the movable part 32 can be glued together. In this way, one end of the spring 33 located in the slide groove 301 abuts against the inner wall of the slide groove 301, and the other end of the spring 33 abuts against the connecting block 34.

[0044] When the second limiting post 3 needs to be inserted into the positioning groove 105 in the fixture body 1, first align the second limiting post 3 with one of the positioning grooves 105 in the fixture body 1, then engage the wrench with the second groove 302 at the top of the movable part 32. The wrench drives the movable part 32 to rotate, and the movable part 32 drives the insertion part 31 to rotate through the connecting block 34, thereby tightening the second limiting post 3 into the positioning groove 105. The disassembly process of the second limiting post 3 is the reverse and will not be described in detail. It can be understood that after the second limiting post 3 is installed in the positioning groove 105 of the fixture body 1, when the movable part 32 is subjected to downward pressure from the glass plate 400, the movable part 32 compresses the spring 33 located in the slide groove 301 through the connecting block 34, causing the spring 33 to compress. When the downward pressure on the movable part 32 is removed, the connecting block 34 and the movable part 32 slide in opposite directions under the elastic force of the spring 33, causing the second limiting post 3 to return to its initial state. The fit between the connecting block 34 and the opening of the slide groove 301 will not affect the overall sliding of the connecting block 34 and the movable part 32 along the slide groove 301.

[0045] By providing a second groove 302 at the top of the movable part 32, the user can easily install or remove the second limiting post 3 using a wrench, making the operation simple.

[0046] In one embodiment, a silicone layer 321 is provided on the top surface of the movable part 32. The silicone layer 321 can be fixed to the top surface of the movable part 32 by adhesive bonding. By providing a silicone layer 321 on the top surface of the movable part 32, the glass plate 400 can be prevented from directly contacting the harder movable part 32 and being scratched when it presses down on the movable part 32. The soft silicone layer 321 is less likely to damage the glass plate 400, thereby protecting the glass plate 400.

[0047] In one embodiment, the fixture body 1 is provided with an air intake groove 103 inside, the air intake groove 103 is connected to all the air intake holes 104, and the air intake groove 103 is fixedly connected to an air pipe connector 11, which is used to connect to an external negative pressure device.

[0048] like Figure 1 , Figure 2 as well as Figure 3 As shown, the suction hole 104 is a hole formed in the vertical direction of the fixture body 1, and the positioning groove 105 is a groove formed in the vertical direction of the fixture body 1. The fixture body 1 also has a horizontal suction groove 103 at the bottom of the suction hole 104 and the positioning groove 105. The suction groove 103 communicates with all the suction holes 104; in other words, the suction holes 104 are through holes, and the area of ​​the suction groove 103 is larger than the rectangular area formed by the array of all the suction holes 104. An air pipe connector 11 is fixedly connected to the side edge of the suction groove 103. The air pipe connector 11 is fixedly connected to one end of the suction pipe 12, and the other end of the suction pipe 12 is connected to an external negative pressure device. Thus, the air pipe connector 11 is connected to an external negative pressure device, such as a suction pump, through the suction pipe 12. When the suction pump is started, a vacuum is drawn into the suction groove 103 through the suction pipe 12 and the air pipe connector 11. Under the action of atmospheric pressure, the bottom surface of the ITO film is tightly adsorbed onto the surface of the fixture body 1, thereby fixing the ITO film and preventing it from moving during bonding.

[0049] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A fixture for aligning and bonding a glass plate and an ITO film, characterized in that, The fixture includes a fixture body and a plurality of first limiting posts. The surface of the fixture body has a plurality of positioning grooves and a plurality of air intake holes. The plurality of air intake holes are arranged in a rectangular array in the central region of the fixture body, and the plurality of positioning grooves are arranged in an array on the outer periphery of the region formed by the air intake holes. Each of the first limiting posts is detachably inserted into one of the positioning grooves.

2. The alignment and bonding fixture for the glass plate and ITO film according to claim 1, characterized in that, The bottom end of the first limiting post is provided with an external thread, and the inner wall of each positioning groove is provided with an internal thread. The first limiting post is threadedly connected to the positioning groove.

3. The alignment and bonding fixture for the glass plate and ITO film according to claim 2, characterized in that, The top of the first limiting post is provided with a first groove, and the first groove is polygonal in shape.

4. The alignment and bonding fixture for the glass plate and ITO film according to claim 1, characterized in that, It also includes multiple second limiting posts, each of which includes a plug-in part, a movable part, and a spring. The plug-in part is detachably plugged into one of the positioning slots and has a sliding groove inside. One end of the movable part is slidably plugged into the sliding groove, and both ends of the spring abut against the inner wall of the sliding groove and the movable part, respectively.

5. The alignment and bonding fixture for the glass plate and ITO film according to claim 4, characterized in that, The outer wall of the plug-in part is provided with external threads, and the inner wall of each positioning groove is provided with internal threads. The plug-in part is threadedly connected to the positioning groove.

6. The alignment and bonding fixture for the glass plate and the ITO film according to claim 5, characterized in that, The top of the movable part is provided with a second groove, which is polygonal in shape; the second limiting post also includes a connecting block, which is polygonal in shape, and the outline of the opening of the slide facing the movable part is also polygonal. The connecting block is embedded in the opening of the slide and fixedly connected to the movable part, and one end of the spring abuts against the connecting block.

7. The alignment and bonding fixture for the glass plate and the ITO film according to claim 4, characterized in that, The top surface of the movable part is provided with a silicone layer.

8. The alignment and bonding fixture for a glass plate and an ITO film according to any one of claims 1-7, characterized in that, The fixture body has an air intake groove inside, which is connected to all the air intake holes. The air intake groove is fixedly connected to an air pipe connector, which is used to connect to an external negative pressure device.

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