Foam pressure maintaining jig suitable for various TP shapes

Abstract

The utility model relates to the technical field of touch screen fitting, in particular to a foam pressure maintaining jig suitable for various TP shapes. The device comprises a vertical pressing device, a bottom box, a panel, a pressing plate and a positioning block, the panel is arranged on the bottom box, and the touch screen attached with the foam is placed on the panel; the positioning block is arranged on the panel, and the height of the positioning block is manually adjusted to a proper position; at least two groups of vertical guide rods are respectively arranged on the left and right sides of the bottom box; a pressing plate and a limiting block are arranged above the bottom box, and the limiting block is located above the pressing plate; the vertical pressing device moves up and down along the guide rod; and the limiting block and the pressing plate are driven to move downwards to extrude the touch screen which is placed on the panel and is attached to the foam, so that the foam is tightly attached to the touch screen. The device can adapt to the appearances of touch screen cover plates of various specifications, so that the time for switching a special jig is saved, an operator can use a vertical device to press without worrying about crushing a product, and the operation speed is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of touch screen lamination, in particular to a foam pressure-maintaining fixture adaptable to various TP shapes. Background Art

[0002] At present, customers require that double-sided adhesive foam be added to the back of TP (touch screen), and basically all products have pressure holding requirements. Pressure holding is an important step in the bonding of double-sided adhesive foam. During the pressure holding process, the foam glue can give full play to its bonding effect to ensure that the glue in each part is fully bonded. If there is not enough pressure holding, the product will be loose, easy to fall off or crack, etc. There are also related conditions for pressure holding, such as pressure holding area, pressure holding pressure, pressure intensity, etc. In order to improve the efficiency of production lines, this patent proposes a pressure holding fixture, which can greatly facilitate production operations and improve production efficiency. Utility Model Content

[0003] The utility model aims to solve the problems existing in the background technology and proposes a foam pressure-maintaining fixture that is adaptable to various TP shapes and can adapt to the shapes of touch screen cover plates of various specifications, thus saving the time of switching special fixtures; and because there is a limited height when pressing, the corresponding height and pressure can be adjusted by the technician during operation, and the operator can safely and boldly use the vertical device to press without worrying about damaging the product, thereby greatly improving the operating speed.

[0004] The technical solution of the utility model is a foam pressure-maintaining fixture adapted to various TP shapes, comprising a vertical pressing device, a bottom box, a panel, a pressing plate and a positioning block;

[0005] The panel is arranged on the bottom box, and the touch screen fitted with the foam is placed on the panel; the positioning block is arranged on the panel, and the height of the positioning block is manually adjusted to a suitable position;

[0006] At least two groups of vertical guide rods are respectively arranged on the left and right sides of the bottom box; a pressing plate and a limiting block are arranged above the bottom box, and the limiting block is located above the pressing plate;

[0007] The vertical pressing device moves up and down along the guide rod, driving the limit block and the pressing plate to move downward, squeezing the touch screen with the foam placed on the panel, and fitting the foam and the touch screen tightly.

[0008] Preferably, a support foot is provided at the front end of the limiting block, and the support foot is vertically arranged on the pressure plate.

[0009] Preferably, the guide rod passes through the pressure plate and the limit block; an elastic member is arranged inside the limit block, and the elastic member is sleeved on the outer circumference of the guide rod, and the top of the elastic member is connected to the guide rod; when the limit block slides downward relative to the guide rod, the elastic member remains in a stretched state.

[0010] Preferably, a connecting rod is arranged in the middle of the limit block, and an adjusting nut is installed on the outer periphery of the connecting rod; a sleeve is arranged in the middle position of the bottom of the vertical pressing device, and the sleeve is sleeved on the connecting rod and moves up and down relative to the connecting rod; when the sleeve abuts against the adjusting nut, a limit structure is formed.

[0011] Preferably, at least two longitudinal slide rails and two transverse slide rails are arranged on the panel; longitudinal stops are arranged on the longitudinal slide rails, and transverse stops are arranged on the transverse slide rails; the longitudinal stops and transverse stops slide relative to the longitudinal slide rails and the transverse slide rails respectively.

[0012] Preferably, threaded holes are reserved on the longitudinal baffle and the transverse baffle, and bolts are used to threadably connect with the threaded holes to fix the longitudinal baffle and the transverse baffle on the panel.

[0013] Preferably, the longitudinal stopper and the transverse stopper form a blocking structure to limit the touch screen with the foam attached placed on the panel.

[0014] Preferably, the positioning block is an adjusting bolt, and the limit height is adjusted by rotating the adjusting bolt.

[0015] Preferably, the positioning block is a cylindrical or cubic hard support block.

[0016] Preferably, the height of the positioning block is adjusted to a height of (X+Yb / 2)±0.03 mm; wherein X is the overall thickness of the touch screen, Y is the thickness of the foam before compression; and b is the thickness of the foam after compression.

[0017] Compared with the prior art, the utility model has the following beneficial technical effects:

[0018] The utility model is applicable to different models of touch screens by setting a stopper with adjustable position on the panel, thus saving the time of switching special fixtures; the utility model sets a positioning block on the panel, and the height of the positioning block can be adjusted or the product of a specified height can be customized in advance; when using it, the operator can use the vertical device to press it without worrying about crushing the product, greatly improving the operation speed. The utility model can conveniently press the foam and the touch screen to ensure the laminating effect without damaging the touch screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the pressure-maintaining fixture in the embodiment of the utility model;

[0020] Figure 2 This is a schematic diagram of the assembly position structure of the vertical pressing device on the pressure-maintaining fixture in the embodiment of the utility model;

[0021] Figure 3 It is a schematic diagram of the installation structure of the bottom box and the panel in the embodiment of the utility model.

[0022] Figure numerals: 1. base box; 11. guide rod; 2. pressure plate; 3. limit block; 31. connecting rod; 32. adjusting nut; 4. vertical pressing device; 41. sleeve; 5. positioning block; 6. horizontal slide rail; 7. longitudinal slide rail; 8. longitudinal stopper; 9. horizontal stopper; 10. panel. DETAILED DESCRIPTION

[0023] Example 1

[0024] like Figure 1-2 As shown, the utility model proposes a foam pressure-maintaining fixture that is adaptable to various TP shapes, including a vertical pressing device 4, a bottom box 1, a panel 10, a pressing plate 2 and a positioning block 5;

[0025] The panel 10 is arranged on the bottom box 1, and the touch screen fitted with the foam is placed on the panel 10; the positioning block 5 is arranged on the panel 10, and the height of the positioning block 5 is manually adjusted to a suitable position; in this embodiment, the positioning block 5 is an adjusting bolt, and the limit height is adjusted by rotating the adjusting bolt; the height of the positioning block 5 is adjusted to a height of (X+Yb / 2)±0.03mm; wherein X is the overall thickness of the touch screen, Y is the thickness of the foam before compression; b is the thickness of the compressed foam; in this embodiment, the height of the touch screen is 2mm, and the height of the foam is 0.5mm; the height of the compressed foam is 0.1mm, so the height of the adjusting bolt needs to be adjusted to a height of 2.45±0.03mm;

[0026] At least two groups of vertical guide rods 11 are respectively arranged on the left and right sides of the bottom box 1; a pressing plate 2 and a limiting block 3 are arranged above the bottom box 1, and the limiting block 3 is located above the pressing plate 2; a support foot is arranged at the front end of the limiting block 3, and the support foot is vertically arranged on the pressing plate 2; the guide rod 11 passes through the pressing plate 2 and the limiting block 3; an elastic member is arranged inside the limiting block 3, and the elastic member is sleeved on the outer periphery of the guide rod 11, and the top of the elastic member is connected to the guide rod 11; when the limiting block 3 slides downward relative to the guide rod 11, the elastic member remains in a stretched state; A connecting rod 31 is arranged in the middle of the positioning block 3, and an adjusting nut 32 is installed on the outer periphery of the connecting rod 31; a sleeve 41 is arranged in the middle position of the bottom of the vertical pressing device 4, and the sleeve 41 is sleeved on the connecting rod 31, and moves up and down relative to the connecting rod 31; when the sleeve 41 abuts against the adjusting nut 32, a limiting structure is formed; the vertical pressing device 4 moves up and down along the guide rod 11, driving the limiting block 3 and the pressing plate 2 to move downward, squeezing the touch screen with the laminated foam placed on the panel 10, so that the foam and the touch screen are tightly fitted.

[0027] In this embodiment, Figure 3As shown, at least two longitudinal rails 7 and two transverse rails 6 are arranged on the panel 10; a longitudinal stopper 8 is arranged on the longitudinal rail 7, and a transverse stopper 9 is arranged on the transverse rail 6; the longitudinal stopper 8 and the transverse stopper 9 slide relative to the longitudinal rail 7 and the transverse rail 6 respectively; threaded holes are reserved on the longitudinal stopper 8 and the transverse stopper 9, and bolts are used to thread the threaded holes to connect the longitudinal stopper 8 and the transverse stopper 9 to fix the longitudinal stopper 8 and the transverse stopper 9 on the panel 10; the relative positions of the transverse stopper 9 and the longitudinal stopper 8 on the panel 10 can be pre-adjusted for different models of touch screens, and fixed with bolts; then the touch screen attached to the foam is placed against the stopper, and the longitudinal stopper 8 and the transverse stopper 9 form a blocking structure to limit the touch screen attached to the foam placed on the panel 10; then the adjusting bolt is adjusted to the specified height.

[0028] The vertical pressing device 4 is pressed downward, and it slides downward along the guide rail 11; at the same time, the middle sleeve 41 slides relative to the connecting rod 31, and when the sleeve 41 contacts the adjusting nut 32 on the connecting rod 31, the limit block 3 is further driven to move downward. At this time, the elastic member remains in a stretched state, so that the entire pressing plate 2 is pressed downward to squeeze the touch screen with the foam placed on the panel 10, and the foam and the touch screen are tightly fitted; the adjusting bolt will limit the pressing plate 2 to ensure the foam pressing effect without damaging the touch screen; loosen the vertical pressing device 4, and the vertical pressing device 4 is automatically reset under the elastic force of the elastic member.

[0029] In this embodiment, the downward stroke of the vertical pressing device 4 can be changed by rotating the position of the adjusting nut 32, and the user can adjust it according to the needs.

[0030] Example 2

[0031] The utility model proposes a foam pressure-maintaining fixture that is adaptable to a variety of TP shapes, including a vertical pressing device 4, a bottom box 1, a panel 10, a pressure plate 2 and a positioning block 5; different from Example 1, in this embodiment, the positioning block 5 is a cylindrical or cubic hard support block. The height of the positioning block 5 is adjusted to a height of (X+Yb / 2)±0.03; wherein X is the overall thickness of the touch screen, Y is the thickness of the foam before compression; and b is the thickness of the compressed foam. In this embodiment, the height of the touch screen is 2mm, and the height of the foam is 0.5mm; the height of the compressed foam is 0.1mm, so it is necessary to use acrylic material to pre-make a hard support block with a height of 2.45±0.03mm through laser cutting; and install it on the panel 10.

[0032] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A foam pressure-maintaining fixture adapted to various TP shapes, characterized in that: It comprises a vertical pressing device (4), a bottom box (1), a panel (10), a pressing plate (2) and a positioning block (5); The panel (10) is arranged on the bottom box (1), and the touch screen fitted with foam is placed on the panel (10); the positioning block (5) is arranged on the panel (10), and the height of the positioning block (5) is manually adjusted to a suitable position; At least two groups of vertical guide rods (11) are respectively arranged on the left and right sides of the bottom box (1); a pressing plate (2) and a limiting block (3) are arranged above the bottom box (1), and the limiting block (3) is located above the pressing plate (2); The vertical pressing device (4) moves up and down along the guide rod (11), driving the limit block (3) and the pressing plate (2) to move downward, squeezing the touch screen with the foam placed on the panel (10), so that the foam and the touch screen are tightly attached.

2. The foam pressure-maintaining fixture adapted to various TP shapes according to claim 1, characterized in that: A support foot is arranged at the front end of the limit block (3), and the support foot is vertically arranged on the pressing plate (2).

3. The foam pressure-maintaining fixture adapted to various TP shapes according to claim 1, characterized in that: The guide rod (11) passes through the pressure plate (2) and the limit block (3); an elastic member is arranged inside the limit block (3), and the elastic member is sleeved on the outer circumference of the guide rod (11), and the top of the elastic member is connected to the guide rod (11); when the limit block (3) slides downward relative to the guide rod (11), the elastic member remains in a stretched state.

4. The foam pressure-maintaining fixture adapted to various TP shapes according to claim 1, characterized in that: A connecting rod (31) is arranged in the middle of the limiting block (3), and an adjusting nut (32) is installed on the outer periphery of the connecting rod (31); a sleeve (41) is arranged in the middle position of the bottom of the vertical pressing device (4), and the sleeve (41) is sleeved on the connecting rod (31) and moves up and down relative to the connecting rod (31); when the sleeve (41) abuts against the adjusting nut (32), a limiting structure is formed.

5. The foam pressure-maintaining fixture adapted to various TP shapes according to claim 1, characterized in that: At least two longitudinal slide rails (7) and two transverse slide rails (6) are arranged on the panel (10); a longitudinal stopper (8) is arranged on the longitudinal slide rail (7), and a transverse stopper (9) is arranged on the transverse slide rail (6); the longitudinal stopper (8) and the transverse stopper (9) slide relative to the longitudinal slide rail (7) and the transverse slide rail (6) respectively.

6. The foam pressure-maintaining jig adapted to various TP shapes according to claim 5, characterized in that: Threaded holes are reserved on the longitudinal blocking member (8) and the transverse blocking member (9), and bolts are used to threadably match the threaded holes to fix the longitudinal blocking member (8) and the transverse blocking member (9) on the panel (10).

7. The foam pressure-maintaining jig adapted to various TP shapes according to claim 5, characterized in that: The longitudinal stopper (8) and the transverse stopper (9) form a blocking structure to limit the position of the touch screen with the foam attached placed on the panel (10).

8. The foam pressure-maintaining fixture adapted to various TP shapes according to claim 1, characterized in that: The positioning block (5) is an adjusting bolt, and the limit height is adjusted by rotating the adjusting bolt.

9. The foam pressure-maintaining jig adapted to various TP shapes according to claim 1, characterized in that: The positioning block (5) is a cylindrical or cubic hard support block.

10. The foam pressure-maintaining jig adapted to various TP shapes according to claim 1, characterized in that: The height of the positioning block (5) is adjusted to (X+Yb / 2)±0.03mm; wherein X is the overall thickness of the touch screen, Y is the thickness of the foam before compression; and b is the thickness of the foam after compression.

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