A double-sided pressing fixture for flat-frame speaker mesh foam

Abstract

The present invention provides a double-sided pressing jig tool for pressing the speaker mesh foam of a flat-plate frame, comprising a jig support base, both sides of the bottom of the jig support base are fixedly connected with tool support vertical plates, a product flat plate is placed on the top of the jig support base, and a limiting mechanism is provided on the jig support base at the outer side of the product flat plate, the limiting mechanism is used for the preliminary positioning of the product flat plate on the jig support base, and a cylinder single-acting double-sided pressing mechanism is installed on both sides of the jig support base and at the speaker hole position of the product flat plate. The present invention controls the operation of the transmission connection component through the provided cylinder single-acting double-sided pressing mechanism, so that the transmission connection component drives the two pressing blocks to move and clamp, and the two pressing blocks are respectively clamped at the outer and inner foams of the speaker hole of the product flat plate, thereby realizing double-sided clamping of the product flat plate, greatly improving the stability of clamping and fixing, and ensuring the accuracy of the fixed position.

Description

Technical Field

[0001] The present invention relates to the technical field of pressing jigs and tooling, and in particular to a double-sided pressing jig and tooling for a flat-panel frame speaker mesh foam. Background Art

[0002] At present, some holes are usually opened in the speaker position of the back cover frame of the tablet to transmit sound to the outside world. In order to prevent dust, water and other foreign objects from entering the tablet, auxiliary materials such as dustproof nets are attached. After attachment, they need to be completely pressed and the back adhesive is activated, otherwise serious problems such as back adhesive debonding and falling off will occur. At present, personnel mainly use auxiliary fixtures to press the speaker mesh foam back adhesive on one side and one station. Poor precision can easily cause problems such as deviation, debonding and falling off. Moreover, single-sided pressing and single-station efficiency are slow, resulting in high rework and fines, which seriously affect product benefits. In order to ensure that the product yield, efficiency and rejection rate meet the requirements, a double-sided pressing fixture for the speaker mesh foam of the tablet frame plays a very important role. The double-sided pressing fixture for the speaker mesh foam of the tablet frame brings improved yield and efficiency and is highly versatile. It is applicable to both sides and multiple bonding only requires the same station to complete. Therefore, the inventor designed a simple and efficient double-sided pressing fixture for the speaker mesh foam of the plate frame to meet the needs. Summary of the Invention

[0003] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a double-sided pressing jig for flat-panel frame speaker mesh foam. By setting up a cylinder single-acting double-sided pressing mechanism, double-sided clamping of the product flat panel can be achieved, which greatly improves the stability of clamping and fixing, and ensures the accuracy of the fixed position.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0005] A double-sided pressing jig for a flat-panel frame speaker mesh foam includes a jig support base, both sides of the bottom of the jig support base are fixedly connected to tool support vertical plates, a product flat panel is placed on top of the jig support base, a limiting mechanism is provided on the jig support base at the outer side of the product flat panel, the limiting mechanism is used to initially position the product flat panel on the jig support base, and a cylinder single-acting double-sided pressing mechanism is installed on both sides of the jig support base and at the speaker hole position of the product flat panel;

[0006] The cylinder single-acting double-sided pressing mechanism includes a base, an outer cavity mounting seat fixedly connected to the top of the base, two moving blocks slidably mounted in the outer cavity mounting seat, and a pressing block fixedly connected to the top of the moving block. The two pressing blocks are respectively located on the outside and inside of the horn hole of the product plate. The cylinder single-acting double-sided pressing mechanism also includes a transmission connection assembly, which is used to drive the two pressing blocks to move synchronously to clamp or release. A support mounting seat is fixedly connected to one side of the base, and the support mounting seat is fixedly connected to the bottom of the jig support base.

[0007] Preferably, the transmission connection assembly includes a power vertical telescopic cylinder fixedly mounted on the bottom of the base, the output end of the power vertical telescopic cylinder passes through the base and is fixedly connected to a connecting block, the bottom of the moving block is fixedly connected to a driving block placed in the base, and linkage rods are provided between the driving block and both sides of the connecting block, and the two ends of the linkage rod are respectively rotatably connected to the connecting block and the driving block through a rotating shaft.

[0008] Preferably, both sides of the top of the powered vertical telescopic cylinder are fixedly connected with fixed blocks extending into the base, and two sliding guide rods are fixedly connected to the opposite sides of the two fixed blocks. A stop block is fixedly connected to the end of the sliding guide rod away from the fixed block, and a guide slide hole is provided on the driving block for the sliding guide rod to pass through.

[0009] Preferably, a lower movement limiting groove for the driving block to pass through is transversely opened at the bottom of the outer cavity mounting seat, and upper movement limiting grooves for the top end of the moving block to pass through are symmetrically opened on both sides of the top of the outer cavity mounting seat.

[0010] Preferably, the bottom end of the outer cavity mounting seat is fixedly connected to cylindrical guide rails on both sides of the lower movable limit groove, and the bottom of the movable block is provided with a guide rail groove that slides with the cylindrical guide rail.

[0011] Preferably, a fixing hole is provided on the top of the moving block, and a second waist-shaped sink hole corresponding to the position of the fixing hole is provided on the pressing block. The second waist-shaped sink hole passes through the pressing block, and the pressing block and the moving block are connected and fixed by a second fixing screw passing through the second waist-shaped sink hole and the fixing hole.

[0012] Preferably, protective pads are fixedly bonded to opposite sides of the two pressing blocks.

[0013] Preferably, a flat jig support mechanism adapted to the product flat plate is provided on the top of the jig support base.

[0014] Preferably, the limiting mechanism includes a limiting block, and a plurality of the limiting blocks are distributed around the top of the fixture support base.

[0015] Preferably, a limit block mounting groove for accommodating the limit block is provided on the top of the jig support base, and a first waist-shaped sinking hole is provided on the limit block to pass through it. The limit block and the jig support base are fixedly connected by a first fixing screw passing through the limit block mounting groove, and the thickness of the limit block is greater than the depth of the limit block mounting groove.

[0016] Compared with the prior art, the present invention has at least the following beneficial effects:

[0017] 1. The present invention controls the operation of the transmission connection assembly through the provision of a single-acting double-sided pressing mechanism of a cylinder, so that the transmission connection assembly drives the two pressing blocks to move and clamp, and the two pressing blocks are respectively clamped on the outer and inner foams of the speaker hole of the product flat plate, thereby achieving double-sided clamping of the product flat plate, greatly improving the stability of the clamping and fixing, and ensuring the accuracy of the fixed position. By arranging protective pads on the opposite sides of the two pressing blocks, when the two pressing blocks are clamped, the protective pads are in contact with the foam of the speaker hole of the product flat plate, which can reduce the risk of indentation and scratches, improve protection of the product, and improve product quality.

[0018] 2. The present invention sets up a limiting mechanism, which includes multiple limiting blocks distributed around the top of the fixture support base. When fixing the product flat plate, the product flat plate is placed on the inner side of the multiple limiting blocks to perform preliminary limiting on the fixed position of the product flat plate, thereby ensuring the accuracy of the fixed position of the product flat plate and the consistency of repeated clamping of the product flat plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the invention and, together with the description, further serve to explain the principles of the invention and to enable one skilled in the art to make and use the invention.

[0020] Figure 1 This is a schematic diagram of the structure of the double-sided pressing jig for the speaker mesh foam on the flat panel frame when installing the product flat panel;

[0021] Figure 2 This is a schematic diagram of the structure of the double-sided pressing fixture for the speaker mesh foam of the flat panel frame when the product flat panel is not installed;

[0022] Figure 3 This is a structural diagram of a single-acting double-sided pressing mechanism of a cylinder;

[0023] Figure 4 It is a structural diagram of the connection state of the transmission connection component, the moving block and the pressing block;

[0024] Figure 5 It is a schematic diagram of the split structure of the moving block and the pressing block;

[0025] Figure 6Schematic diagram of the outer cavity mounting seat structure.

[0026] [Reference Signs]

[0027] 1. Fixture support base; 101. Limit block mounting slot; 2. Tool support vertical plate; 3. Product plate; 4. Flat plate fixture support mechanism; 5. Limit block; 501. First waist-shaped countersunk hole; 502. First fixing screw; 6. Cylinder single-acting double-sided clamping mechanism; 601. Base; 602. External cavity mounting seat; 6021. Upper movable limit slot; 6022. Lower movable limit slot; 603. Moving block; 6031. Fixing hole; 6032, guide rail groove; 604, driving block; 6041, guide slide hole; 605, pressing block; 6051, second waist-shaped sinking platform hole; 6052, second fixing screw; 606, protective pad; 607, transmission connection assembly; 6071, power vertical telescopic cylinder; 6072, connecting block; 6073, linkage rod; 6074, fixing block; 6075, sliding guide rod; 608, cylindrical guide rail; 609, support mounting seat.

[0028] As shown in the figure, in order to clearly implement the structure of the embodiment of the present invention, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the present invention to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0029] The following describes in detail a double-sided compression jig for flat-frame speaker mesh foam provided by the present invention, with reference to the accompanying drawings and specific embodiments. It is also noted that, for the sake of completeness, the following embodiments are optimal and preferred, and those skilled in the art may employ alternative implementations for known technologies. Furthermore, the accompanying drawings are intended only to provide a more detailed description of the embodiments and are not intended to limit the present invention.

[0030] It should be noted that references in the specification to "one embodiment," "an embodiment," "exemplary embodiments," "some embodiments," etc. indicate that the described embodiments may include specific features, structures, or characteristics, but not necessarily every embodiment will include such specific features, structures, or characteristics. Furthermore, when specific features, structures, or characteristics are described in conjunction with an embodiment, it is within the knowledge of persons skilled in the relevant art to implement such features, structures, or characteristics in conjunction with other embodiments (whether or not explicitly described).

[0031] In general, terms can be understood, at least in part, from their use in context. For example, depending at least in part on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending at least in part on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0032] It will be understood that the meanings of “on,” “over,” and “above” in the present invention should be interpreted in the broadest manner, so that “on” means not only “directly on” something but also includes the meaning of being “on” something with intervening features or layers, and “on” or “above” means not only “on” or “above” something but also includes the meaning of being “on” or “above” something with no intervening features or layers.

[0033] Additionally, spatially relative terms such as "below," "beneath," "lower," "above," and "upper" may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as illustrated in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein should be similarly interpreted accordingly.

[0034] like Figures 1 to 6 As shown, an embodiment of the present invention provides a double-sided pressing jig tool for a flat-panel frame speaker mesh foam, comprising a jig support base 1, both sides of the bottom of the jig support base 1 are fixedly connected with a tool support vertical plate 2, a product flat panel 3 is placed on the top of the jig support base 1, and a limiting mechanism is provided on the jig support base 1 at the outer side of the product flat panel 3, the limiting mechanism is used for the preliminary positioning of the product flat panel 3 on the jig support base 1, and a cylinder single-acting double-sided pressing mechanism 6 is installed on both sides of the jig support base 1 and at the speaker hole position of the product flat panel 3. When in use, the product flat panel 3 is placed on the jig support base 1, and the product flat panel 3 is preliminarily positioned by the limiting mechanism to ensure a fixed position, and then the speaker hole position of the product flat panel 3 is clamped and fixed by the cylinder single-acting double-sided pressing mechanism 6, so that the product flat panel 3 is firmly fixed, the position of the product flat panel 3 is avoided from being displaced, and the product yield and processing efficiency are improved.

[0035] In this embodiment, if Figure 1 and Figure 2As shown, the limiting mechanism includes a limiting block 5, and a plurality of limiting blocks 5 are distributed around the top of the jig support base 1. A limiting block mounting groove 101 for accommodating the limiting block 5 is provided on the top of the jig support base 1. A first waist-shaped sinking hole 501 is provided on the limiting block 5 to pass through it. The limiting block 5 and the jig support base 1 are fixedly connected by a first fixing screw 502 passing through the limiting block mounting groove 101. The thickness of the limiting block 5 is greater than the depth of the limiting block mounting groove 101. The thickness of the limiting block 5 is designed so that when the limiting block 5 is installed in the limiting block mounting groove 101, the top of the limiting block 5 protrudes from the upper surface of the jig support base 1. By arranging multiple limit blocks 5 around the jig support base 1, when the product plate 3 is placed on the top of the jig support base 1, the product plate 3 is placed on the inner side of the multiple limit blocks 5, which are used to preliminarily limit the fixed position of the product plate 3, ensure the accuracy of the fixed position of the product plate 3, and ensure the consistency of repeated clamping of the product plate 3. By arranging a first waist-shaped sinker hole 501 on the limit block 5, the extension direction of the first waist-shaped sinker hole 501 is along the outer side of the jig support base 1 to its center. After loosening the first fixing screw 502, the position of the limit block 5 can be adjusted to adapt to the size of the product plate 3, which is highly practical.

[0036] In this embodiment, if Figure 1 and Figure 2 As shown, a flat jig support mechanism 4 adapted to the product flat plate 3 is provided on the top of the jig support base 1 , and the flat jig support mechanism 4 is used for positioning the product flat plate 3 and supporting the structural surface.

[0037] In this embodiment, if Figure 3 As shown, the cylinder single-acting double-sided pressing mechanism 6 includes a base 601, an outer cavity mounting seat 602 fixedly connected to the top of the base 601, two moving blocks 603 slidably mounted in the outer cavity mounting seat 602, and a pressing block 605 fixedly connected to the top of the moving block 603. The two pressing blocks 605 are respectively located on the outside and inside of the speaker hole of the product plate 3. The cylinder single-acting double-sided pressing mechanism 6 also includes a transmission connection component 607, which is used to drive the two pressing blocks 605 to move synchronously to clamp or release. One side of the base 601 is fixedly connected It is connected to a support mounting seat 609, which is fixedly connected to the bottom of the jig support base 1. In the initial state, the two clamping blocks 605 are in a loose state. After the product plate 3 is initially positioned by the limiting mechanism, the transmission connection component 607 is controlled to work, so that the transmission connection component 607 drives the two clamping blocks 605 to move and clamp. The two clamping blocks 605 are respectively clamped on the outer and inner foams of the speaker hole of the product plate 3, thereby realizing double-sided clamping of the product plate 3, greatly improving the stability of the clamping and fixing, and ensuring the accuracy of the fixed position.

[0038] In this embodiment, if Figure 4 As shown, the transmission connection assembly 607 includes a power vertical telescopic cylinder 6071 fixedly installed at the bottom of the base 601, the output end of the power vertical telescopic cylinder 6071 passes through the base 601 and is fixedly connected to a connecting block 6072, the bottom of the moving block 603 is fixedly connected to a driving block 604 placed in the base 601, and a linkage rod 6073 is provided between both sides of the connecting block 6072 and the driving block 604. The two ends of the linkage rod 6073 are respectively connected to the connecting block 6072 and the driving block 604 through a rotating shaft. It drives the connecting block 6072 to rise and fall vertically. When the connecting block 6072 moves up and down, it drives the linkage rod 6073 to adjust its position synchronously. The linkage rod 6073 drives the driving block 604 connected to it to move. The driving block 604 drives the moving block 603 and the clamping block 605 to move, thereby realizing the clamping and loosening actions of the two clamping blocks 605. When the power vertical telescopic cylinder 6071 drives the connecting block 6072 to rise, the two clamping blocks 605 are in a loosening action. When the power vertical telescopic cylinder 6071 drives the connecting block 6072 to move downward, the two clamping blocks 605 are in a loosening action.

[0039] In this embodiment, the power vertical telescopic cylinders 6071 in the multiple groups of cylinder single-acting double-sided pressing mechanisms 6 are all connected to the same foot-operated pneumatic valve through an air pipe, which is used to control the air supply switch of the power vertical telescopic cylinders 6071.

[0040] In this embodiment, if Figure 4 As shown, both sides of the top of the power vertical telescopic cylinder 6071 are fixedly connected with fixed blocks 6074 extending into the base 601, and the opposite sides of the two fixed blocks 6074 are fixedly connected with two sliding guide rods 6075, and the end of the sliding guide rod 6075 away from the fixed block 6074 is fixedly connected with a stop block, and a guide slide hole 6041 for the sliding guide rod 6075 to pass through is provided on the driving block 604. When the linkage rod 6073 pushes the driving block 604 to move, the driving block 604 slides on the sliding guide rod 6075 through the guide slide hole 6041, so that the driving block 604 moves horizontally, which is used to drive the clamping block 605 to clamp and release.

[0041] In this embodiment, if Figure 6 As shown, a lower movable limit groove 6022 is horizontally opened at the bottom of the outer cavity mounting seat 602 for the driving block 604 to pass through, and an upper movable limit groove 6021 is symmetrically opened on both sides of the top of the outer cavity mounting seat 602 for the top of the moving block 603 to pass through. The lower movable limit groove 6022 is used to limit the moving range of the driving block 604, and the upper movable limit groove 6021 is used to limit the moving range of the moving block 603, so as to avoid the driving block 604 and the moving block 603 from moving out of position.

[0042] In this embodiment, if Figure 4 and Figure 6 As shown, the bottom end of the inner portion of the outer cavity mounting seat 602 is located on both sides of the lower moving limit groove 6022 and is fixedly connected with a cylindrical guide rail 608. The bottom of the moving block 603 is provided with a guide rail groove 6032 that slides with the cylindrical guide rail 608. During the movement of the moving block 603, the moving block 603 slides on the cylindrical guide rail 608 through the guide rail groove 6032, so that the moving block 603 slides smoothly in the outer cavity mounting seat 602, thereby improving the smoothness of the movement of the moving block 603.

[0043] In this embodiment, if Figure 5 As shown, a fixing hole 6031 is provided on the top of the movable block 603, and a second waist-shaped countersunk hole 6051 corresponding to the position of the fixing hole 6031 is provided on the pressing block 605. The second waist-shaped countersunk hole 6051 passes through the pressing block 605, and the pressing block 605 and the movable block 603 are connected and fixed by a second fixing screw 6052 that passes through the second waist-shaped countersunk hole 6051 and the fixing hole 6031. By loosening the second fixing screw 6052, the relative position of the pressing block 605 and the movable block 603 can be adjusted, thereby adjusting the distance between the two pressing blocks 605 when clamping, so as to adapt to the different wall thicknesses at the speaker hole of the matching product flat plate 3 for clamping, and the applicability is high.

[0044] In this embodiment, if Figure 4 As shown, protective pads 606 are fixedly bonded to the opposite sides of the two clamping blocks 605. The protective pads 606 are preferably made of silicone material, but can also be other materials with better protection capabilities. When the two clamping blocks 605 are clamped, the protective pads 606 are in contact with the foam of the speaker hole of the product flat plate 3, which can reduce the risk of indentation and scratches, improve protection of the product, and improve product quality.

[0045] The technical solution provided by the present invention is to debug the pressing jig tooling when in use, place the product plate 3 on the top of the jig support base 1, loosen the first fixing screw 502, adjust the position of the limit block 5, and after adjusting the limit block 5 to a suitable position, tighten the first fixing screw 502 to lock the position of the limit block 5. According to the above steps, the positions of multiple limit blocks 5 are adjusted into place in sequence, and then the second fixing screw 6052 is loosened, and the positions of the two pressing blocks 605 are adjusted. After the pressing blocks 605 are adjusted to a suitable position, the second fixing screw 6052 is tightened to lock the position of the pressing blocks 605. According to the above steps, the pressing blocks 605 on the multiple groups of cylinder single-acting double-sided pressing mechanisms 6 are adjusted into place in sequence to complete the debugging work of the pressing jig tooling;

[0046] When clamping the product plate 3, the product plate 3 is placed on the top of the support base 1 and placed inside a plurality of limit blocks 5 to perform preliminary limiting on the fixed position of the product plate 3, to ensure the accuracy of the fixed position of the product plate 3 and the consistency of repeated clamping of the product plate 3. Then, the power vertical telescopic cylinder 6071 in the multiple groups of cylinder single-acting double-sided pressing mechanisms 6 is controlled by the foot-operated pneumatic valve to work, so that the power vertical telescopic cylinder 6071 drives the connecting block 6072 to descend vertically, and drives the driving block 604 connected thereto to move through the linkage rod 6073, and the driving block 604 drives The movable block 603 and the pressing block 605 move to realize the clamping of the two pressing blocks 605. The two pressing blocks 605 are respectively clamped on the outer and inner foams of the speaker hole of the product flat plate 3. By fixing the adhesive protective pad 606 on the clamping end of the pressing block 605 and contacting the foam of the speaker hole of the product flat plate 3 through the protective pad 606, the risk of indentation and scratching can be reduced, and the protection of the product can be improved. The present application realizes double-sided clamping of the product flat plate 3, greatly improves the stability of the clamping and fixing, ensures the accuracy of the fixed position, avoids the position deviation of the product flat plate 3, and improves the product yield and processing efficiency.

[0047] The present invention encompasses any alternatives, modifications, equivalents, and solutions that fall within the spirit and scope of the present invention. To provide a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, but those skilled in the art will be able to fully understand the present invention without these detailed descriptions. Furthermore, to avoid unnecessary confusion regarding the essence of the present invention, well-known methods, processes, procedures, components, and circuits have not been described in detail.

[0048] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A double-sided pressing fixture for a flat-panel speaker mesh foam, characterized by: It comprises a jig support base (1), both sides of the bottom of the jig support base (1) are fixedly connected with tool support vertical plates (2), a product plate (3) is placed on the top of the jig support base (1), a limiting mechanism is provided on the jig support base (1) at the outside of the product plate (3), the limiting mechanism is used for the initial positioning of the product plate (3) on the jig support base (1), and a cylinder single-acting double-sided pressing mechanism (6) is installed on both sides of the jig support base (1) and at the position of the horn hole of the product plate (3); The cylinder single-acting double-sided pressing mechanism (6) includes a base (601), an outer cavity mounting seat (602) fixedly connected to the top of the base (601), two moving blocks (603) slidably mounted in the outer cavity mounting seat (602), and a pressing block (605) fixedly connected to the top of the moving block (603), the two pressing blocks (605) are respectively located on the outside and inside of the horn hole of the product plate (3), the cylinder single-acting double-sided pressing mechanism (6) also includes a transmission connection component (607), the transmission connection component (607) is used to drive the two pressing blocks (605) to move synchronously to clamp or release, and a support mounting seat (609) is fixedly connected to one side of the base (601), and the support mounting seat (609) is fixedly connected to the bottom of the fixture support base (1); The transmission connection assembly (607) includes a power vertical telescopic cylinder (6071) fixedly mounted on the bottom of the base (601); the output end of the power vertical telescopic cylinder (6071) extends into the base (601) and is fixedly connected to a connecting block (6072); the bottom of the moving block (603) is fixedly connected to a driving block (604) disposed in the base (601); linkage rods (6073) are provided between both sides of both ends of the connecting block (6072) and the driving block (604); and the two ends of the linkage rod (6073) are rotatably connected to the connecting block (6072) and the driving block (604) via a rotating shaft. Both sides of the top of the power vertical telescopic cylinder (6071) are fixedly connected to fixed blocks (6074) extending into the base (601), and two sliding guide rods (6075) are fixedly connected to opposite sides of the two fixed blocks (6074). The ends of the sliding guide rods (6075) away from the fixed blocks (6074) are fixedly connected to a stop block, and the driving block (604) is provided with a guide slide hole (6041) for the sliding guide rods (6075) to pass through.

2. The double-sided pressing jig for flat-panel speaker mesh foam according to claim 1, characterized in that: A lower movable limiting groove (6022) for the driving block (604) to pass through is laterally opened at the bottom of the outer cavity mounting seat (602), and upper movable limiting grooves (6021) for the top end of the movable block (603) to pass through are symmetrically opened on both sides of the top of the outer cavity mounting seat (602).

3. The double-sided pressing jig for flat-panel speaker mesh foam according to claim 2, characterized in that: The bottom end of the outer cavity mounting seat (602) is located on both sides of the lower movable limit groove (6022) and is fixedly connected to a cylindrical guide rail (608). The bottom of the movable block (603) is provided with a guide rail groove (6032) that slides with the cylindrical guide rail (608).

4. The double-sided pressing jig for flat-panel speaker mesh foam according to claim 1, characterized in that: A fixing hole (6031) is provided on the top of the moving block (603), and a second waist-shaped sink hole (6051) corresponding to the position of the fixing hole (6031) is provided on the pressing block (605). The second waist-shaped sink hole (6051) passes through the pressing block (605), and the pressing block (605) and the moving block (603) are connected and fixed by a second fixing screw (6052) passing through the second waist-shaped sink hole (6051) and the fixing hole (6031).

5. The double-sided pressing jig for flat-panel speaker mesh foam according to claim 1, characterized in that: Protection pads (606) are fixedly bonded to opposite sides of the two pressing blocks (605).

6. The double-sided pressing jig for flat-panel speaker mesh foam according to claim 1, characterized in that: A flat jig support mechanism (4) adapted to the product flat plate (3) is provided on the top of the jig support base (1).

7. The double-sided pressing jig for flat-panel speaker mesh foam according to claim 1, characterized in that: The limiting mechanism comprises a limiting block (5), and a plurality of the limiting blocks (5) are distributed around the top of the jig support base (1).

8. The double-sided pressing jig for flat-panel speaker mesh foam according to claim 7, characterized in that: A limit block mounting groove (101) for accommodating the limit block (5) is provided on the top of the jig support base (1); a first waist-shaped sinking platform hole (501) passing through the limit block (5) is provided on the limit block (5); the limit block (5) and the jig support base (1) are fixedly connected by a first fixing screw (502) passing through the limit block mounting groove (101); the thickness of the limit block (5) is greater than the depth of the limit block mounting groove (101).

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