Film tearing device

Abstract

The utility model provides a film tearing device which is used for tearing a film on a flexible flat cable, the film to be torn of the flexible flat cable is arranged below the flexible flat cable, the film to be torn comprises a first film to be torn, a second film to be torn and a third film to be torn, as shown in Figure 1, the film tearing device comprises an adsorption mechanism and a frame, a first film tearing assembly, a second film tearing assembly, a third film tearing assembly and at least two supporting mechanisms are arranged on the frame, the first film tearing assembly is used for tearing a first to-be-torn film, the second film tearing assembly is used for tearing a second to-be-torn film, the third film tearing assembly is used for tearing a third to-be-torn film, and the supporting mechanisms are used for supporting a flexible flat cable. The supporting mechanism is an elastic support, the flexible flat cable is fixed by the adsorption mechanism from the upper portion and pressed on the supporting mechanism, and supporting points of the supporting mechanism are located beside the two ends of a film to be torn in the length direction. The fixing of the flexible flat cable is realized, the flexible flat cable is prevented from falling off along with the film when the film is torn, and meanwhile, the film tearing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of film tearing devices, in particular to a film tearing device. Background Art

[0002] Flexible flat cable, also known as Flexible Flat Cable (FFC), is a flexible cable with arbitrary number and spacing of conductors. This cable can be folded and bent, which is very suitable for data transmission between mobile parts and motherboards, between PCB boards, and in miniaturized electrical equipment. It is a very important electronic component and plays a key role in various electronic devices.

[0003] In the production and processing of flexible flat cables, there is often an operation step of tearing off the film of the flexible flat cables. A suction cup is usually used to adsorb the flexible flat cables from above, and a film tearing mechanism tears off the film underneath the flexible flat cables from below. However, due to the characteristics of the flexible flat cables themselves, such as being light, small in size, and soft, when the film is torn off, the stickiness of the film can easily pull the flexible flat cables off the suction cup, affecting the film tearing. Summary of the invention

[0004] The purpose of the utility model is to provide a film tearing device to solve the above problems.

[0005] The technical solution adopted by the utility model is:

[0006] A film-tearing device is used to tear off a film on a flexible flat cable, wherein the film to be torn off of the flexible flat cable is located on the lower surface of the flexible flat cable, and the film to be torn off includes a first film to be torn off, a second film to be torn off, and a third film to be torn off, and the film-tearing device includes an adsorption mechanism and a frame, and a first film-tearing assembly, a second film-tearing assembly, a third film-tearing assembly, and at least two supporting mechanisms are arranged on the frame, the first film-tearing assembly is used to tear off the first film to be torn off, the second film-tearing assembly is used to tear off the second film to be torn off, and the third film-tearing assembly is used to tear off the third film to be torn off, and the supporting mechanism is used to support the flexible flat cable, and the supporting mechanism is an elastic support, the flexible flat cable is fixed from above by the adsorption mechanism and pressed on the supporting mechanism, the supporting mechanism cooperates with the adsorption mechanism to clamp the flexible flat cable, and the supporting points of the supporting mechanism are located beside the two ends of the film to be torn off in the length direction.

[0007] As a further improved technical solution of the utility model, the support mechanism includes a mounting frame, on which are arranged two first mounting seats and a second mounting seat which are arranged up and down, a support column is arranged in the first mounting seat, an adjustment guide column is arranged in the second mounting seat, a spring is arranged between the support column and the adjustment guide column, the support column, the adjustment guide column and the spring are arranged coaxially, the support column includes a supporting part and a limiting part, the limiting part is located below the first mounting seat, the limiting part is used to limit the upward movement range of the supporting part, the soft flat cable is pressed against the supporting part, and the adjustment guide column can adjust the compression degree of the spring.

[0008] As a further improved technical solution of the utility model, an adjusting nut is provided on the lower end surface of the second mounting seat, and the adjusting nut is threadedly connected to the adjusting guide column to adjust the upper and lower positions of the adjusting guide column.

[0009] As a further improved technical solution of the utility model, a spring installation groove is provided in the limiting portion of the support column, the upper part of the spring is provided in the spring installation groove, a winding column is provided at the upper end of the adjustment guide column, and the lower part of the spring is wound on the winding column.

[0010] As a further improved technical solution of the utility model, a pointer is arranged on the upper end of the adjusting guide column, and a scale is arranged on the mounting frame, and the scale is used to display the force of the spring acting on the supporting column.

[0011] As a further improved technical solution of the utility model, x-direction, y-direction and z-direction which are perpendicular to each other are defined, and the first film tearing assembly includes a first clamping jaw, an x-direction moving mechanism, a first y-direction moving mechanism and a p-direction moving mechanism, the first clamping jaw is used to clamp or release the first film to be torn, the x-direction moving mechanism is used to drive the first clamping jaw to move in the x-direction, the first y-direction moving mechanism is used to drive the first clamping jaw to move in the y-direction, and the p-direction moving mechanism is used to drive the first clamping jaw to move in the p-direction, the p-direction intersects with the x-direction, the y-direction and the z-direction, and the p-direction is away from the flexible flat cable.

[0012] As a further improved technical solution of the utility model, the second film tearing assembly includes a second clamp and a q-direction moving mechanism, and the q-direction moving mechanism is used to drive the second clamp to move in the q direction, and the q direction coincides with the xz plane and is away from the soft cable.

[0013] As a further improved technical solution of the utility model, the third film tearing assembly includes a third clamping jaw, a second y-direction moving mechanism and a z-direction moving mechanism, the third clamping jaw is used to clamp or release the third film to be torn, the second y-direction moving mechanism is used to drive the third clamping jaw to move in the y-direction, and the z-direction moving mechanism is used to drive the third clamping jaw to move in the z-direction.

[0014] As a further improved technical solution of the utility model, an air blowing mechanism is also arranged on the frame, and the air blowing mechanism is used to blow off the torn waste film.

[0015] As a further improved technical solution of the utility model, a waste film collecting mechanism is arranged below the frame, and the waste film collecting mechanism is used for collecting waste films.

[0016] The beneficial effects of the utility model are:

[0017] Through the above structure, the supporting mechanism is set, and the adsorption mechanism adsorbs the soft flat cable and presses against the supporting mechanism, thereby fixing the soft flat cable and preventing the soft flat cable from falling off with the film when tearing the film; at the same time, using multiple film tearing assemblies can tear off the film from multiple directions at the same time, thereby improving the film tearing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the film tearing device;

[0019] Figure 2 It is a structural diagram of the supporting mechanism;

[0020] Figure 3 is a cross-sectional view of the support mechanism;

[0021] Figure 4 is a structural schematic diagram of the first film tearing assembly;

[0022] Figure 5 The first and second film tearing assemblies are the second film tearing assembly and the third film tearing assembly.

[0023] in:

[0024] 1-Framework;

[0025] 2-first film tearing assembly, 21-first clamping claw, 22-x-direction moving mechanism, 23-first y-direction moving mechanism, 24-p-direction moving mechanism;

[0026] 3-second film tearing assembly, 31-second clamping jaw, 32-q-direction moving mechanism;

[0027] 4-third film tearing assembly, 41-third clamping claw, 42-second y-direction moving mechanism, 43-z-direction moving mechanism;

[0028] 5-support mechanism, 51-mounting frame, 52-first mounting seat, 53-second mounting seat, 54-support column, 541-support part, 542-limiting part, 543-spring mounting groove, 55-adjusting guide column, 551-winding column, 552-limiting nut, 56-adjusting nut, 57-spring, 58-pointer, 59-scale;

[0029] 6- Air blowing mechanism;

[0030] 7- Waste film collection mechanism. DETAILED DESCRIPTION

[0031] The present invention will be described in detail below in conjunction with the specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, methodological, or functional changes made by a person skilled in the art based on these embodiments are all within the scope of protection of the present invention.

[0032] If the utility model involves directions (e.g., up, down, left, right, front, back, outside, inside, etc.) when describing, it is necessary to define the directions involved, such as "In order to clearly express the positions and directions described in the utility model, the end close to the operator is the proximal end, and the end away from the operator is the distal end." Or define it with the paper as a reference, etc. Of course, if the positional relationship between the two is defined by mutual reference in the subsequent description, it does not need to be defined here.

[0033] A film-tearing device is used to tear off the film on a flexible flat cable, wherein the film to be torn off of the flexible flat cable is arranged below the flexible flat cable, and the film to be torn off includes a first film to be torn off, a second film to be torn off, and a third film to be torn off, such as Figure 1 As shown, the film tearing device includes an adsorption mechanism and a frame 1, on which a first film tearing component 2, a second film tearing component 3, a third film tearing component 4 and at least two supporting mechanisms 5 are arranged, the first film tearing component 2 is used to tear off the first film to be torn, the second film tearing component 3 is used to tear off the second film to be torn, the third film tearing component 4 is used to tear off the third film to be torn, the supporting mechanism 5 is used to support the soft flat cable, the supporting mechanism 5 is an elastic support, the soft flat cable is fixed from above by the adsorption mechanism and pressed on the supporting mechanism 5, and the supporting points of the supporting mechanism 5 are located beside the two ends of the length direction of the film to be torn.

[0034] like Figures 2-3As shown, the support mechanism 5 includes a mounting frame 51, on which are arranged two first mounting seats 52 and second mounting seats 53 arranged up and down, a support column 54 is arranged in the first mounting seat 52, an adjustment guide column 55 is arranged in the second mounting seat 53, a spring 57 is arranged between the support column 54 and the adjustment guide column 55, the support column 54, the adjustment guide column 55 and the spring 57 are coaxially arranged, the support column 54 includes a supporting portion 541 and a limiting portion 542, a first mounting hole for the support portion 541 to pass through is arranged on the first mounting seat 52, the limiting portion 542 is located below the first mounting seat 52, the size of the limiting portion 542 is larger than the aperture of the first mounting hole, the limiting portion 542 is used to limit the upward movement range of the support portion 541, a second mounting hole for the adjustment to pass through is arranged on the second mounting seat 53, the soft flat cable is pressed against the support portion 541, and the adjustment guide column 55 can adjust the compression degree of the spring 57. Specifically, the compression degree of the spring 57 is pre-adjusted to match the model of the soft flat cable. When the adsorption mechanism drives the soft flat cable to be pressed onto the support column 54, the support column 54 gives the soft flat cable an upward reaction force under the action of the elastic force of the spring 57, thereby cooperating with the adsorption mechanism to clamp the soft flat cable.

[0035] An adjusting nut 56 is provided on the lower end surface of the second mounting seat 53, and the adjusting nut 56 is threadedly connected to the adjusting guide post 55 to adjust the upper and lower positions of the adjusting guide post 55. The more the adjusting guide post 55 extends toward the supporting post 54, the more the spring 57 is compressed.

[0036] A spring mounting groove 543 is provided in the limiting portion 542 of the support column 54, the upper portion of the spring 57 is provided in the spring mounting groove 543, a winding column 551 is provided at the upper end of the adjusting guide column 55, the lower portion of the spring 57 is wound on the winding column 551, specifically, the diameter of the winding column 551 is smaller than the diameter of the adjusting guide column 55.

[0037] A pointer 58 is provided at the upper end of the adjusting guide column 55, and a scale 59 is provided on the mounting frame 51, and the scale 59 is used to display the force of the spring 57 acting on the supporting column 54. Specifically, the pointer 58 is sleeved on the winding column 551, and the pointer 58 is provided at the contact surface between the spring 57 and the adjusting guide column 55.

[0038] A limiting nut 552 is provided at the bottom of the adjusting guide column 55 . The diameter of the limiting nut 552 is larger than the aperture of the second mounting hole. The limiting nut 552 is used to limit the upward movement range of the adjusting guide column 55 .

[0039] As an embodiment of the utility model, there are two support mechanisms 5 which are respectively located on both sides of the length direction of the three films to be torn off, which is equivalent to cooperating with the adsorption mechanism to clamp the two ends of a section of the flexible flat cable when tearing the films.

[0040] As an embodiment of the present invention, the adsorption mechanism is a gas adsorption mechanism, and the adsorption mechanism is arranged above the support mechanism 5. Since the adsorption mechanism can have a variety of designs, which are selected according to the specific structures of other components, the specific structure of the adsorption mechanism is not shown in the drawings here.

[0041] The "x direction" described in the present invention is defined as Figure 1 The "x" direction is marked in the figure, and the "y" direction is Figure 1 The "y" direction is marked in the figure, and the "z" direction is Figure 1 In the "z" direction marked in the figure, the x-direction, y-direction and z-direction are perpendicular to each other, and the "p-direction" is defined as Figure 1 The "p" direction is marked in the figure, and the "q direction" is Figure 1 The “q” direction is marked in the figure.

[0042] like Figure 4 As shown, the first film tearing assembly 2 includes a first clamping jaw 21, an x-direction moving mechanism 22, a first y-direction moving mechanism 23 and a p-direction moving mechanism 24, the first clamping jaw 21 is used to clamp or release the first film to be torn, the x-direction moving mechanism 22 is used to drive the first clamping jaw 21 to move in the x-direction, the first y-direction moving mechanism 23 is used to drive the first clamping jaw 21 to move in the y-direction, and the p-direction moving mechanism 24 is used to drive the first clamping jaw 21 to move in the p-direction, the p-direction intersects with the x-direction, the y-direction and the z-direction, and the p-direction is away from the flexible flat cable. Specifically, the x-direction moving mechanism 22 is arranged on the frame 1, the first y-direction moving mechanism 23 is arranged on the moving end of the x-direction moving mechanism 22 and is driven by the x-direction moving mechanism 22 to perform x-direction movement, the p-direction moving mechanism 24 is arranged on the moving end of the first y-direction moving mechanism 23 and is driven by the first y-direction moving mechanism 23 to perform y-direction movement, and the first clamp 21 is arranged on the moving end of the p-direction moving mechanism 24 and is driven by the p-direction moving mechanism 24 to perform p-direction movement.

[0043] like Figure 5 As shown, the second film tearing assembly 3 includes a second clamping jaw 31 and a q-direction moving mechanism 32, wherein the q-direction moving mechanism 32 is used to drive the second clamping jaw 31 to move in the q-direction, wherein the q-direction coincides with the xz plane and the q-direction is away from the flexible flat cable, and the xz plane is the plane where the x-direction and the z-direction are located. Specifically, the q-direction moving mechanism 32 is disposed on the frame 1, and the second clamping jaw 31 is disposed on the moving end of the q-direction moving mechanism 32 so as to be driven by the q-direction moving mechanism 32 to move in the q-direction.

[0044] The third film tearing assembly 4 includes a third clamping jaw 41, a second y-direction moving mechanism 42 and a z-direction moving mechanism 43. The third clamping jaw 41 is used to clamp or release the third film to be torn, the second y-direction moving mechanism 42 is used to drive the third clamping jaw 41 to move in the y-direction, and the z-direction moving mechanism 43 is used to drive the third clamping jaw 41 to move in the z-direction. Specifically, the second y-direction moving mechanism 42 is arranged on the moving end of the z-direction moving mechanism 43 and is driven by the z-direction moving mechanism 43 to move in the z-direction, and the third clamping jaw 41 is arranged on the moving end of the second y-direction moving mechanism 42 and is driven by the second y-direction moving mechanism 42 to move in the y-direction.

[0045] An air blowing mechanism 6 is also provided on the frame 1, and the air blowing mechanism 6 is used to blow off the torn waste film. Specifically, there are several air blowing mechanisms 6 with different blowing directions.

[0046] A waste film collecting mechanism 7 is provided below the frame 1 , and the waste film collecting mechanism 7 is used to collect the blown-off waste film.

[0047] The working principle of the utility model is:

[0048] For the sake of clarity of description and ease of understanding, the "x direction" described in the utility model is defined as the left and right direction, the "y direction" is defined as the front and back direction, the "z direction" is defined as the up and down direction, the "p direction" is defined as the lower right direction, and the "q direction" is defined as the inclined direction toward the lower right and rear right.

[0049] According to the model parameters of the soft flat cable waiting for film tearing, the adjusting nut 56 and the adjusting guide column 55 of the support mechanism 5 are adjusted to adjust the compression degree of the spring 57 until the scale 59 line indicated by the pointer 58 is the force value adapted to the soft flat cable, and the adsorption mechanism absorbs the soft flat cable waiting for film tearing, with the side of the soft flat cable with the film to be torn facing downward, and the adsorption mechanism drives the soft flat cable to move to the top of the support mechanism 5 and makes the supporting point of the support mechanism 5 located on both sides of the length direction of the film to be torn, and the adsorption mechanism drives the soft flat cable to move downward and press on the support mechanism 5, and the spring 57 gives a reaction force to the support column 54 to cooperate with the adsorption mechanism to clamp the soft flat cable;

[0050] Subsequently, the first clamping jaw 21, the second clamping jaw 31 and the third clamping jaw 41 all move to the corresponding film to be torn and clamp the film to be torn; the p-direction moving mechanism 24 moves to the lower right and rear right direction to drive the first clamping jaw 21 to tear a hole in the first film to be torn, and the first y-direction moving mechanism 23 moves rearward, and the x-direction moving mechanism 22 moves to the right to drive the first clamping jaw 21 to tear off the first film to be torn; at the same time, the q-direction moving mechanism 32 moves to the lower left to drive the second clamping jaw 31 to tear off the second film to be torn; at the same time, the z-direction moving mechanism 43 moves downward, and the second y-direction moving mechanism 42 moves forward to drive the third clamping jaw 41 to tear off the third film to be torn;

[0051] The first clamping jaw 21 , the second clamping jaw 31 and the third clamping jaw 41 are all loosened, and the air blowing mechanisms 6 blow air to blow the torn waste film into the waste film collecting mechanism 7 .

[0052] The film tearing mechanism provided by the utility model is provided with the supporting mechanism 5 through the above structure, and the adsorption mechanism adsorbs the soft flat cable and presses against the supporting mechanism 5, thereby fixing the soft flat cable and preventing the soft flat cable from falling off with the film when tearing the film; at the same time, a plurality of the film tearing assemblies are used to tear off the film from multiple directions at the same time, thereby improving the film tearing efficiency.

[0053] It should be understood that although this specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each implementation mode may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0054] The series of detailed descriptions listed above are only specific descriptions of feasible implementation methods of the utility model. They are not intended to limit the protection scope of the utility model. Any equivalent implementation methods or changes that do not deviate from the technical spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A film-tearing device, used for tearing off the film on a flexible flat cable, wherein the film to be torn off of the flexible flat cable is located on the lower surface of the flexible flat cable, and the film to be torn off includes a first film to be torn off, a second film to be torn off, and a third film to be torn off, characterized in that: The film tearing device comprises an adsorption mechanism and a frame (1), on which a first film tearing assembly (2), a second film tearing assembly (3), a third film tearing assembly (4) and at least two supporting mechanisms (5) are arranged, the first film tearing assembly (2) is used to tear off a first film to be torn off, the second film tearing assembly (3) is used to tear off a second film to be torn off, the third film tearing assembly (4) is used to tear off a third film to be torn off, the supporting mechanism (5) is used to support a flexible flat cable, the supporting mechanism (5) is an elastic support, the flexible flat cable is fixed from above by the adsorption mechanism and pressed on the supporting mechanism (5), the supporting mechanism (5) cooperates with the adsorption mechanism to clamp the flexible flat cable, and the supporting points of the supporting mechanism (5) are located beside the two ends of the length direction of the film to be torn off.

2. The film tearing device according to claim 1, characterized in that: The support mechanism (5) comprises a mounting frame (51), on which are arranged two first mounting seats (52) and a second mounting seat (53) arranged up and down, a support column (54) is arranged in the first mounting seat (52), an adjustment guide column (55) is arranged in the second mounting seat (53), a spring (57) is arranged between the support column (54) and the adjustment guide column (55), the support column (54), the adjustment guide column (55) and the spring (57) are arranged coaxially, the support column (54) comprises a support portion (541) and a limiting portion (542), the limiting portion (542) is located below the first mounting seat (52), the limiting portion (542) is used to limit the upward movement range of the support portion (541), the soft flat cable is pressed against the support portion (541), and the adjustment guide column (55) can adjust the compression degree of the spring (57).

3. The film tearing device according to claim 2, characterized in that: An adjusting nut (56) is provided on the lower end surface of the second mounting seat (53), and the adjusting nut (56) is threadedly connected to the adjusting guide column (55) so as to adjust the upper and lower positions of the adjusting guide column (55).

4. The film tearing device according to claim 2, characterized in that: A spring installation groove (543) is arranged in the limiting portion (542) of the support column (54), and the upper part of the spring (57) is arranged in the spring installation groove (543). A winding column (551) is arranged at the upper end of the adjustment guide column (55), and the lower part of the spring (57) is wound on the winding column (551).

5. The film tearing device according to claim 2, characterized in that: A pointer (58) is provided at the upper end of the adjustment guide column (55), and a scale (59) is provided on the mounting frame (51), wherein the scale (59) is used to display the force of the spring (57) acting on the support column (54).

6. The film tearing device according to claim 1, characterized in that: Define two perpendicular x-directions, y-directions and z-directions, the first film tearing assembly (2) comprising a first clamping jaw (21), an x-direction moving mechanism (22), a first y-direction moving mechanism (23) and a p-direction moving mechanism (24), the first clamping jaw (21) being used to clamp or release the first film to be torn, the x-direction moving mechanism (22) being used to drive the first clamping jaw (21) to move in the x-direction, the first y-direction moving mechanism (23) being used to drive the first clamping jaw (21) to move in the y-direction, the p-direction moving mechanism (24) being used to drive the first clamping jaw (21) to move in the p-direction, the p-direction intersecting with the x-direction, the y-direction and the z-direction, and the p-direction being away from the flexible flat cable.

7. The film tearing device according to claim 6, characterized in that: The second film tearing assembly (3) comprises a second clamping jaw (31) and a q-direction moving mechanism (32), wherein the q-direction moving mechanism (32) is used to drive the second clamping jaw (31) to move in the q-direction, wherein the q-direction coincides with the xz plane and is away from the flexible flat cable.

8. The film tearing device according to claim 6, characterized in that: The third film tearing assembly (4) comprises a third clamping jaw (41), a second y-direction moving mechanism (42) and a z-direction moving mechanism (43); the third clamping jaw (41) is used for clamping or releasing the third film to be torn; the second y-direction moving mechanism (42) is used for driving the third clamping jaw (41) to move in the y-direction; and the z-direction moving mechanism (43) is used for driving the third clamping jaw (41) to move in the z-direction.

9. The film tearing device according to claim 1, characterized in that: An air blowing mechanism (6) is also provided on the frame (1), and the air blowing mechanism (6) is used to blow off the torn waste film.

10. The film tearing device according to claim 1, characterized in that: A waste film collecting mechanism (7) is arranged below the frame (1), and the waste film collecting mechanism (7) is used for collecting waste films.

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