A parallel positioning joint fixture for protective film

Abstract

A parallel positioning joint jig for a protective film, comprising a positioning plate, an intermediate fixing area arranged on the positioning plate, and pressing fixing areas symmetrically arranged on both sides of the intermediate fixing area, a pressing plate arranged in the pressing fixing area, a through hole opened on the pressing plate, a first positioning block fixedly connected to the surface of the pressing plate and passing through the through hole, a first blocking surface arranged on the first positioning block, a second positioning block symmetrically arranged on both sides of the pressing plate, a second blocking surface arranged on the second positioning block, and an auxiliary close-fitting portion for the pressing plate to be close to the pressing fixing area, wherein the first blocking surface and the second blocking surface are located in the same plane and are perpendicular to the positioning plate. The present invention avoids problems such as bubbles, deformation, and positional offset in the process of manually aligning and bonding the protective film and the cover film, thereby improving the qualified rate of the product.

Description

Technical Field

[0001] The invention relates to the technical field of film pasting equipment, in particular to a parallel positioning joint jig for protective films. Background Art

[0002] When the existing protective film and cover film are laminated, workers rely on pinching the protective film and cover film respectively with their fingers and observing the edges of the protective film and cover film with the naked eye to align and laminate them. The laminating process may cause problems such as bubbles, deformation, and position offset, resulting in a high defective rate of products and a serious waste of materials and work hours. Summary of the invention

[0003] The purpose of the present invention is to provide a parallel positioning joint jig for a protective film. The present invention solves the problem that when the existing protective film and the cover film are bonded together, the worker relies on pinching the protective film and the cover film with his fingers respectively, and uses the naked eye to observe the edges of the protective film and the cover film for alignment and bonding. The bonding process may cause bubbles, deformation, and position shift, resulting in a high defective rate of products and a serious waste of materials and working hours.

[0004] The technical solution of the present invention is: a parallel positioning joint fixture for a protective film, comprising a positioning plate, an intermediate fixing area arranged on the positioning plate and pressing and fixing areas symmetrically arranged on both sides of the intermediate fixing area, a pressing plate arranged in the pressing and fixing area, a through hole opened on the pressing plate, a first positioning block fixedly connected to the surface of the pressing plate and passing through the through hole, a first blocking surface arranged on the first positioning block, a second positioning block symmetrically arranged on both sides of the pressing plate, a second blocking surface arranged on the second positioning block, and an auxiliary tight-fitting portion for the pressing plate to be tightly fitted on the pressing and fixing area, wherein the first blocking surface and the second blocking surface are located in the same plane and are perpendicular to the positioning plate.

[0005] Preferably, the auxiliary close-fitting portion comprises an inclined plate connected to the pressing plate, a mounting hole provided on the inclined plate, support plates symmetrically provided on both sides of the inclined plate, a cross bar connected to the support plates at both ends, a first straight-arm torsion spring sleeved on the cross bar and abutting against the inclined plate and the pressing and fixing area at both ends, the inclined plate and the pressing and fixing area have an angle a, wherein 40° <a<60°。

[0006] Preferably, a back plate is connected to the top end of the positioning plate, and the bottom ends of the positioning plate and the back plate are connected via a bottom plate, so that the positioning plate, the back plate and the bottom plate form a triangular workbench.

[0007] Preferably, the back panel is also provided with a tape placement portion, which includes a base fixed to the back panel, a toggle seat hinged to the base, a mounting groove provided on the base, a return spring connecting the bottom of the mounting groove and the toggle seat, a first pressure rod provided on one side of the toggle seat, and a second pressure rod symmetrically provided on one side of the base corresponding to the first pressure rod, wherein a clamping channel is formed between the first pressure rod and the second pressure rod.

[0008] Preferably, an end fixing clamp is provided on one side of the middle fixing area close to the base plate, and the end fixing clamp includes a lifting plate fixedly connected to the base plate, a groove provided on the lifting plate, a support shaft provided on the lifting plate and crossing the groove, a connecting plate fixed to both ends of the support shaft through a side plate, an abutting plate provided on the connecting plate and abutting against the middle fixing area, and a second straight-arm torsion spring which is sleeved on the support shaft and abuts against the connecting plate and the lifting plate at both ends respectively.

[0009] Preferably, a V-shaped plate is provided at the connection between the positioning plate, the back plate and the bottom plate.

[0010] Preferably, a safety blade is provided on one side of the middle fixing area close to the cross bar.

[0011] Preferably, a paddle is provided on one side of the pressing plate.

[0012] The beneficial effects of the present invention are:

[0013] Compared with the prior art, the present invention achieves parallel fixation by pressing the edge of the protective film against the first blocking surface and the second blocking surface through three-point positioning on the top. The fixing method of the pressure plate on the other side is the same as above. Since the protective film is fixed, the cover film can be covered by inertia and then the tape can be affixed, thereby avoiding problems such as bubbles, deformation, position offset, etc. in the process of manually aligning and bonding the protective film and the cover film, thereby improving the product qualification rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention;

[0015] Figure 2 It is a side view of the present invention;

[0016] Figure 3 This is an enlarged schematic diagram of point A of the present invention;

[0017] Figure 4 This is an enlarged schematic diagram of point B of the present invention; DETAILED DESCRIPTION

[0018] The present invention will be further described below with reference to the accompanying drawings by way of embodiments.

[0019] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

[0020] Examples, such as Figure 1-4 As shown, a parallel positioning joint jig for a protective film comprises a positioning plate 1, an intermediate fixing area 2 arranged on the positioning plate 1 and pressing and fixing areas 3 symmetrically arranged on both sides of the intermediate fixing area 2, a pressing plate 4 arranged in the pressing and fixing area 3, a through hole 401 opened on the pressing plate 4, a first positioning block 5 fixedly connected to the surface of the pressing plate 4 and passing through the through hole 401, a first blocking surface 501 arranged on the first positioning block 5, second positioning blocks 6 symmetrically arranged on both sides of the pressing plate 4, a second blocking surface 601 arranged on the second positioning block 6, and a pressure plate 4 for pressing the pressing plate 4 tightly against the pressure plate 4. The auxiliary tight-fitting portion 7 on the pressing fixing area 3 is located in the same plane as the first blocking surface 501 and the second blocking surface 601, and is perpendicular to the positioning plate 1. The edge of the protective film is pressed against the first blocking surface 501 and the second blocking surface 601, and is positioned at three points above to achieve parallel fixation. The pressing plate 4 on the other side is fixed in the same way as above. Since the protective film is fixed, the cover film can be covered by inertia and then the adhesive tape 15 can be affixed, thereby avoiding problems such as bubbles, deformation, position offset, etc. in the process of manually aligning and bonding the protective film and the cover film, thereby improving the qualified rate of the product.

[0021] Further, the auxiliary close-fitting portion 7 includes an inclined plate 701 connected to the pressing plate 4, a mounting hole 702 provided on the inclined plate 701, support plates 703 symmetrically provided on both sides of the inclined plate 701, a cross bar 704 connected to the support plates 703 at both ends, a first straight arm torsion spring 705 sleeved on the cross bar 704 and abutting against the inclined plate 701 and the pressing and fixing area 3 at both ends, and the inclined plate 701 and the pressing and fixing area 3 have an angle a, wherein 40°

[0022] <a<60°。

[0023] Furthermore, a back plate 8 is connected to the top of the positioning plate 1 , and the bottom ends of the positioning plate 1 and the back plate 8 are connected via a bottom plate 9 , so that the positioning plate 1 , the back plate 8 , and the bottom plate 9 form a triangular workbench 10 .

[0024] Furthermore, a tape placement portion 11 is also provided on the back plate 8, and the tape placement portion 11 includes a base 1101 fixedly connected to the back plate 8, a toggle seat 1102 hinged to the base of the base 1101, a mounting groove 1106 provided on the base 1101, a return spring 1103 connecting the bottom of the mounting groove 1106 and the toggle seat 1102, a first pressure rod 1104 provided on one side of the toggle seat 1102, and a second pressure rod 1105 symmetrically provided on one side of the base 1101 corresponding to the first pressure rod 1104. A clamping channel 1107 is formed between the first pressure rod 1104 and the second pressure rod 1105. After the tape 15 enters the clamping channel 1107, the first pressure rod 1104 and the second pressure rod 1105 are pressed against the inner ring of the tape 15 for positioning, and the tape 15 is fixed to the middle fixing area 2 with the adhesive surface facing upwards by the end fixing clamp 12.

[0025] Furthermore, an end fixing clamp 12 is provided on one side of the middle fixing area 2 close to the base plate 9, and the end fixing clamp 12 includes a lifting plate 1201 fixedly connected to the base plate 9, a groove 1202 provided on the lifting plate 1201, a support shaft 1203 provided on the lifting plate 1201 and crossing the groove 1202, a connecting plate 1205 fixedly connected to both ends of the support shaft 1203 through a side plate 1204, an abutting plate 1206 provided on the connecting plate 1205 and abutting against the middle fixing area 2, and a second straight arm torsion spring 1207 which is sleeved on the support shaft 1203 and abuts against the connecting plate 1205 and the lifting plate 1201 at both ends.

[0026] Furthermore, a V-shaped plate 14 for reinforcement is provided at the connection between the positioning plate 1 , the back plate 8 , and the bottom plate 9 , and the V-shaped plate 14 is fixed to the inner walls of the positioning plate 1 , the back plate 8 , and the bottom plate 9 by bolts.

[0027] Furthermore, a safety blade 13 for cutting the tape 15 is provided on one side of the middle fixing area 2 close to the cross bar 704. The safety blade can cut the tape 15 by pressing the bonding surface of the protective film and the tape 15 once with a finger.

[0028] Furthermore, a paddle 402 for moving the pressing plate 4 is provided on one side of the pressing plate 4. The pressing plate 4 is pushed open by the paddle 402, and after the edge of the protective film is pressed against the first blocking surface 501 and the second blocking surface 601, the paddle 402 is released to make the pressing plate 4 close to the positioning plate 1, so as to fix the protective film, thereby avoiding problems such as bubbles, deformation, position offset, etc. in the process of manually aligning and bonding the protective film and the cover film, thereby improving the product qualification rate.

[0029] Working principle: With the adhesive surface of the tape 15 facing upwards, fix it in the middle fixing area 2 through the end fixing clip 12, push open the pressure plate 4 on one side through the paddle 402, press the edge of the protective film against the first blocking surface 501 and the second blocking surface 601, and achieve parallel fixation through the three-point positioning above. The pressure plate 4 on the other side is fixed in the same way as above. Press the fitting surface of the protective film and the tape 15 once with your fingers, and the safety blade cuts the tape 15. Since the cover film is fixed, it can be covered by inertia and then the tape 15 can be pasted. This avoids the problems of bubbles, deformation, position offset, etc. in the process of manually aligning and fitting the protective film and the cover film, thereby improving the qualified rate of the product.

Claims

1. A parallel positioning joint jig for a protective film, characterized in that: The invention comprises a positioning plate (1), an intermediate fixing area (2) arranged on the positioning plate (1) and pressing fixing areas (3) symmetrically arranged on both sides of the intermediate fixing area (2), a pressing plate (4) arranged in the pressing fixing area (3), a through hole (401) opened on the pressing plate (4), a first positioning block (5) fixedly connected to the surface of the pressing plate (4) and passing through the through hole (401), a first blocking surface (501) arranged on the first positioning block (5), a second positioning block (6) symmetrically arranged on both sides of the pressing plate (4), a second blocking surface (601) arranged on the second positioning block (6), and an auxiliary close-fitting portion (7) for the pressing plate (4) to be close to the pressing fixing area (3), wherein the first blocking surface (501) and the second blocking surface (601) are located in the same plane and are perpendicular to the positioning plate (1); The auxiliary close-fitting portion (7) comprises an inclined plate (701) connected to the pressing plate (4), a mounting hole (702) provided on the inclined plate (701), support plates (703) symmetrically provided on both sides of the inclined plate (701), a cross bar (704) with two ends respectively connected to the support plates (703), and a first straight-arm torsion spring (705) sleeved on the cross bar (704) and with two ends respectively abutting against the inclined plate (701) and the pressing and fixing area (3), wherein the inclined plate (701) and the pressing and fixing area (3) have an included angle a, wherein 40° <a<60°; The top end of the positioning plate (1) is connected to a back plate (8), and the bottom ends of the positioning plate (1) and the back plate (8) are connected via a bottom plate (9); the positioning plate (1), the back plate (8), and the bottom plate (9) form a triangular workbench (10); The back plate (8) is also provided with a tape placement portion (11), the tape placement portion (11) comprising a base (1101) fixedly connected to the back plate (8), a toggle seat (1102) hinged to the base of the base (1101), a mounting groove (1106) provided on the base (1101), a return spring (1103) connecting the bottom of the mounting groove (1106) and the toggle seat (1102), a first pressure rod (1104) provided on one side of the toggle seat (1102), and a second pressure rod (1105) symmetrically provided on one side of the base (1101) corresponding to the first pressure rod (1104), wherein a clamping channel (1107) is formed between the first pressure rod (1104) and the second pressure rod (1105).

2. A parallel positioning joint jig for a protective film according to claim 1, characterized in that: An end fixing clamp (12) is provided on one side of the middle fixing area (2) close to the bottom plate (9), and the end fixing clamp (12) comprises a lifting plate (1201) fixedly connected to the bottom plate (9), a groove (1202) provided on the lifting plate (1201), a support shaft (1203) provided on the lifting plate (1201) and crossing the groove (1202), a connecting plate (1205) fixedly connected to both ends of the support shaft (1203) through a side plate (1204), an abutting plate (1206) provided on the connecting plate (1205) and abutting against the middle fixing area (2), and a second straight arm torsion spring (1207) sleeved on the support shaft (1203) and abutting against the connecting plate (1205) and the lifting plate (1201) at both ends.

3. A parallel positioning joint jig for a protective film according to claim 1, characterized in that: A V-shaped plate (14) is provided at the connection between the positioning plate (1), the back plate (8) and the bottom plate (9).

4. The parallel positioning joint jig for protective film according to claim 1, characterized in that: A safety blade (13) is provided on one side of the middle fixing area (2) close to the crossbar (704).

5. The parallel positioning joint jig for protective film according to claim 1, characterized in that: A paddle (402) is provided on one side of the pressing plate (4).

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