Automatic film tearing machine

Abstract

The present invention discloses an automatic film tearing machine, including a chassis, on which an automatic tearing mechanism is provided; the automatic tearing mechanism includes a pair of first guide rails arranged in parallel, both ends of the first guide rails are provided with vertically arranged support shafts, and the support shafts are installed on the chassis; the first guide rails are provided with guide grooves, a film tearing moving frame is provided between the pair of first guide rails, both ends of the film tearing moving frame are provided with sliders, the sliders are installed in the guide grooves, a second guide rail is provided on the film tearing moving frame, a film tearing table is provided on the film tearing moving frame, and the film tearing table is installed on the second guide rail; the first guide rail and the second guide rail are arranged vertically. The present invention facilitates the horizontal movement and adjustment of the film tearing table, and facilitates the movement and adjustment of one end of the protective film to be torn off on the flexible printed circuit board through the film tearing table, so that the protective film is torn off from the flexible printed circuit board, which greatly improves the efficiency of film tearing.

Description

Technical Field

[0001] The invention relates to a film tearing machine, in particular to an automatic film tearing machine. Background Art

[0002] Flexible circuit boards, also known as "soft boards", are printed circuits made of flexible insulating substrates. Flexible circuits provide excellent electrical properties, can meet the design needs of smaller and higher density installations, and also help reduce assembly processes and enhance reliability. Flexible circuit boards are the only solution to meet the miniaturization and mobility requirements of electronic products. They can be bent, wound, and folded freely, can withstand millions of dynamic bends without damaging the wires, can be arranged arbitrarily according to the requirements of spatial layout, and can be moved and stretched arbitrarily in three-dimensional space, so as to achieve the integration of component assembly and wire connection; flexible circuit boards can greatly reduce the volume and weight of electronic products, and are suitable for the development of electronic products in the direction of high density, miniaturization, and high reliability. Flexible printed circuit boards are divided into single-sided, double-sided, and multi-layer boards. The substrate used is mainly polyimide copper clad laminates. This material has high heat resistance and good dimensional stability, and is pressed into the final product with a covering film that has both mechanical protection and good electrical insulation properties. The surface and inner conductors of double-sided and multi-layer printed circuit boards are metallized to achieve electrical connection between the inner and outer circuits. It is not convenient to tear off the film of the existing flexible circuit board, and it is not convenient to tear off the protective film from the flexible circuit board. Summary of the invention

[0003] The present invention mainly solves the technical problems existing in the prior art, thereby providing an automatic film tearing machine which is convenient for realizing horizontal movement and adjustment of a film tearing table, and conveniently moves and adjusts one end of a protective film to be torn off on a flexible printed circuit board through the film tearing table, so that the protective film can be torn off from the flexible printed circuit board, thereby greatly improving the efficiency of film tearing.

[0004] The above technical problems of the present invention are mainly solved by the following technical solutions:

[0005] An automatic film tearing machine comprises a chassis, on which an automatic tearing mechanism is provided; the automatic tearing mechanism comprises a pair of first guide rails arranged in parallel, both ends of the first guide rails are provided with vertically arranged support shafts, and the support shafts are installed on the chassis; the first guide rails are provided with guide grooves, a film tearing movable frame is provided between the pair of first guide rails, both ends of the film tearing movable frame are provided with sliders, the sliders are installed in the guide grooves, a second guide rail is provided on the film tearing movable frame, a film tearing table is provided on the film tearing movable frame, and the film tearing table is installed on the second guide rail; the first guide rail and the second guide rail are arranged vertically.

[0006] The cam is connected to the first driving wheel at one end and the second driving wheel at the other end, and the cam is connected to the first driving wheel by the second driving wheel gear.

[0007] Furthermore, an upper box body is provided on the upper part of the chassis, a lower box body is provided on the lower part of the chassis, an upper maintenance door is provided on the front of the upper box body, a lower maintenance door is provided on the front of the lower box body, support feet are provided at the four corners of the chassis, a plurality of universal wheels are provided at the bottom of the chassis, and the universal wheels are installed on the inner side of the support feet; a vacuum platform adsorption mechanism and a tape exhaustion detection mechanism are provided on the top surface of the upper box body, and the vacuum platform adsorption mechanism is installed below the automatic tearing mechanism; an upper and lower double platform mechanism is provided on the top surface of the upper box body; the tape exhaustion detection mechanism is installed between the upper and lower double platform mechanism and the vacuum platform adsorption mechanism; a rotating head automatic adjustment mechanism is provided on the top surface of the upper box body, and a tape exhaustion detection mechanism is installed between the upper and lower double platform mechanism and the vacuum platform adsorption mechanism The mechanism is installed on the automatic adjustment mechanism of the rotating head; the top surface of the upper box body is provided with an automatic loading and unloading mechanism, which includes a bottom plate, a first lifting plate is provided above one end of the bottom plate, and an upper material bin is provided on the first lifting plate; a first lifting module is provided on one end of the bottom plate, and the first lifting plate is installed on the first lifting module, a second lifting plate is provided above the other end of the bottom plate, and a lower material bin is provided on the second lifting module, a second lifting module is provided on the other end of the bottom plate, and the lower material bin is installed on the second lifting module; a plurality of limit plates are provided on the first lifting plate, and the limit plates are installed on the surrounding surfaces of the upper material bin; a plurality of limit seats are provided on the first lifting plate, and the limit seats are installed on the surrounding surfaces of the upper material bin.

[0008] Furthermore, a fixing seat is provided at the lower end of the support shaft, and a fixing cylinder is provided between the upper end of the support shaft and the first guide rail.

[0009] In the automatic film tearing machine adopting the above technical solution, the operator installs the flexible printed circuit board to be torn off on the chassis, and then fixes one end of the protective film to be torn off on the flexible printed circuit board on the film tearing table. The operator can push the film tearing movable frame, and the film tearing movable frame can realize movement adjustment in the X-axis direction along the guide groove of the first guide rail through the slider, thereby indirectly adjusting the movement of the film tearing table in the X-axis direction; at the same time, the operator can conveniently push the film tearing table along the second guide rail to adjust the movement of the film tearing table along the Y-axis direction; thereby facilitating the movement and adjustment of the film tearing table in the horizontal direction, and conveniently moving and adjusting one end of the protective film to be torn off on the flexible printed circuit board through the film tearing table, so that the protective film can be torn off from the flexible printed circuit board, thereby greatly improving the efficiency of film tearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0011] Figure 1 It is a schematic structural diagram of the automatic film tearing machine of the present invention.

[0012] Figure 2 It is a schematic diagram of the internal structure of the automatic film tearing machine of the present invention.

[0013] Figure 3 It is a structural schematic diagram of the automatic loading and unloading mechanism of the present invention.

[0014] Figure 4 It is a structural schematic diagram of the automatic tearing mechanism of the present invention. DETAILED DESCRIPTION

[0015] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0016] like Figures 1 to 4As shown, an automatic film tearing machine includes a chassis 1, on which an automatic tearing mechanism 5 is provided; the automatic tearing mechanism 5 includes a pair of first guide rails 501 arranged in parallel, both ends of the first guide rails 501 are provided with vertically arranged support shafts 502, and the support shafts 502 are installed on the chassis 1; a guide groove 505 is provided on the first guide rails 501, a film tearing movable frame 513 is provided between the pair of first guide rails 501, both ends of the film tearing movable frame 513 are provided with sliders 512, the sliders 512 are installed in the guide grooves 505, a second guide rail 514 is provided on the film tearing movable frame 513, a film tearing table 515 is provided on the film tearing movable frame 513, and the film tearing table 515 is installed on the second guide rail 514; the first guide rail 501 and the second guide rail 514 are arranged vertically.

[0017] In the automatic film tearing machine of the present invention, the operator installs the flexible printed circuit board to be peeled on the chassis 1, and then fixes one end of the protective film to be peeled on the flexible printed circuit board on the film tearing table 515. The operator can push the film tearing movable frame 513, and the film tearing movable frame 513 can realize movement adjustment in the X-axis direction along the guide groove 505 of the first guide rail 501 through the slider 512, thereby indirectly adjusting the movement of the film tearing table 515 in the X-axis direction; at the same time, the operator can conveniently push the film tearing table 515 along the second guide rail 514 to adjust the movement of the film tearing table 515 along the Y-axis direction; thereby facilitating the movement and adjustment of the film tearing table 515 in the horizontal direction, and conveniently adjusting one end of the protective film to be peeled on the flexible printed circuit board through the film tearing table 515, so that the protective film is torn off from the flexible printed circuit board, which greatly improves the efficiency of film tearing.

[0018] Preferably, a first driven wheel 506 is provided at one end of the first guide rail 501, a first driving wheel 507 is provided at the other end of the first guide rail 501, a first driving belt 508 is wound between the first driving wheel 507 and the first driven wheel 506, a slider 512 is connected to the side of the first driving belt 508, a first support frame 509 is provided on the first guide rail 501, a first stepper motor 510 is provided on the first support frame 509, and the end of the driving shaft of the first stepper motor 510 is connected to the first driving wheel 507; a first chain 511 is provided at the side of the first guide rail 501, one end of the first chain 511 is fixed to the first guide rail 501, and the other end of the first chain 511 is fixed to the first guide rail 501. The end is connected to the side of the film-tearing mobile frame 513; a second driven wheel 516 is provided at one end of the film-tearing mobile frame 513, and a second driving wheel 517 is provided at the other end of the film-tearing mobile frame 513. A second driving belt 518 is wound between the second driving wheel 517 and the second driven wheel 516, and the film-tearing table 515 is connected to the second driving belt 518; a second supporting frame 519 is provided on the film-tearing mobile frame 513, and a second stepping motor 520 is provided on the second supporting frame 519. The end of the driving shaft of the second stepping motor 520 is connected to the second driving wheel 517; a second chain 521 is provided at the side position of the film-tearing mobile frame 513, and one end of the second chain 521 is fixed to the film-tearing mobile frame 5 13, the other end of the second chain 521 is connected to the film tearing table 515; the first stepper motor 510 controls the first driving wheel 507 to rotate counterclockwise or clockwise, and the first driving wheel 507 drives the first driven wheel 506 to rotate through the first driving belt 508, thereby driving the first driving belt 508 to achieve reciprocating motion, and the first driving belt 508 drives the slider 512 to move along the guide groove 505 of the first guide rail 501 in the X-axis direction, thereby indirectly adjusting the movement of the film tearing table 515 in the X-axis direction; the first chain 511 is used to make the film tearing moving frame 513 move more stably; the second stepper motor 520 controls the first driving wheel 507 to rotate counterclockwise or clockwise, and the first driving wheel 507 drives the first driven wheel 506 to rotate through the first driving belt 508, thereby driving the first driving belt 508 to achieve reciprocating motion. The second driving wheel 517 can rotate counterclockwise or clockwise, and the second driving wheel 517 drives the second driven wheel 516 to rotate through the second driving belt 518, thereby driving the second driving belt 518 to achieve reciprocating motion, and the second driving belt 518 drives the film tearing table 515 to be pushed along the second guide rail 514, so that the film tearing table 515 can be moved and adjusted along the Y-axis direction; thereby facilitating automatic movement and adjustment of the film tearing table 515 in the horizontal direction, and facilitating movement and adjustment of one end of the protective film to be torn off the flexible printed circuit board through the film tearing table 515, so that the protective film can be torn off from the flexible printed circuit board, thereby greatly improving the efficiency of film tearing.

[0019] Preferably, an upper box body 8 is provided on the upper part of the chassis 1, a lower box body 9 is provided on the lower part of the chassis 1, an upper maintenance door 10 is provided on the front of the upper box body 8, a lower maintenance door 11 is provided on the front of the lower box body 9, support feet 12 are provided at the four corners of the chassis 1, a plurality of universal wheels 13 are provided at the bottom of the chassis 1, and the universal wheels 13 are installed on the inner side of the support feet 12; the upper box body 8 and the lower box body 9 constitute the chassis 1; the chassis 1 is supported by the support feet 12, and the flexible movement and adjustment of the chassis 1 is greatly improved by the universal wheels 13.

[0020] Preferably, the top surface of the upper box body 8 is provided with a vacuum platform adsorption mechanism 3 and a tape end-of-use detection mechanism 4, and the vacuum platform adsorption mechanism 3 is installed below the automatic tearing mechanism 5; the top surface of the upper box body 8 is provided with an upper and lower double platform mechanism 2; the tape end-of-use detection mechanism 4 is installed between the upper and lower double platform mechanism 2 and the vacuum platform adsorption mechanism 3; the top surface of the upper box body 8 is provided with a rotating head automatic adjustment mechanism 6, and the tape end-of-use detection mechanism 4 is installed on the rotating head automatic adjustment mechanism 6; the frame of the upper and lower double platform mechanism 2 is made of SS41 material, painted in off-white, and connected to the main frame with an L-shaped adjustable structure; the brake of the upper and lower double platform mechanism 2 uses a screw module brake, with an effective stroke of 1100mm, alternating operation during operation, repeated positioning progress ±0.1mm, and an operating speed of 1000mm / sec. The vacuum platform adsorption mechanism 3 adopts vacuum generator adsorption, and the vacuum platform adsorption mechanism 3 has 2500 adsorption holes, and the maximum product can be applied

[0021] 620mm*500mm. The tape exhaustion detection mechanism 4 uses an optical fiber sensing mechanism to sense the tape usage status. When the tape is used beyond the sensing area, it will automatically alarm and stop the machine to prompt the operator to replace the tape. The rotating head automatic adjustment mechanism 6 uses a hollow rotating platform mechanism. When writing a program, the operator only needs to enter the starting and end positions, and the equipment program can automatically identify the required tearing angle.

[0022] Preferably, an automatic loading and unloading mechanism 7 is provided on the top surface of the upper box body 8, and the automatic loading and unloading mechanism 7 includes a bottom plate 701, a first lifting plate 702 is provided above one end of the bottom plate 701, and a loading bin 703 is provided on the first lifting plate 702; a first lifting module 707 is provided on one end of the bottom plate 701, and the first lifting plate 702 is installed on the first lifting module 707; a second lifting plate 708 is provided above the other end of the bottom plate 701, and a lowering bin 709 is provided on the second lifting plate 708; a second lifting module 710 is provided on the other end of the bottom plate 701, and the lowering bin 709 is installed on the second lifting module 710; a plurality of limit plates 705 are provided on the first lifting plate 702, The limit plates 705 are installed on the surrounding surfaces of the upper material bin 703; a plurality of limit seats 706 are provided on the first lifting plate 702, and the limit seats 706 are installed on the surrounding surfaces of the upper material bin 703; the first lifting module 707 controls the first lifting plate 702 to realize vertical lifting and adjustment, and the upper material bin 703 is driven to realize vertical lifting and adjustment by the first lifting plate 702, the second lifting module 710 controls the second lifting plate 708 to realize vertical lifting and adjustment, and the lower material bin 709 is controlled by the second lifting plate 708 to realize vertical lifting and adjustment, the upper material bin 703 is used to conveniently place the flexible printed circuit board to be torn off, and the lower material bin 709 is used to conveniently store the flexible printed circuit board after the film is torn off.

[0023] Preferably, a fixing seat 503 is provided at the lower end of the support shaft 502 , and a fixing cylinder 504 is provided between the upper end of the support shaft 502 and the first guide rail 501 ; the support shaft 502 is fixed by the fixing seat 503 , and the support shaft 502 is firmly installed on the first guide rail 501 through the fixing cylinder 504 .

[0024] Preferably, a pair of incoming material sensors 704 are provided on the loading bin 703 ; the incoming material sensors 704 emit photoelectric signals; the incoming material sensors 704 can sense whether a flexible printed circuit board is placed on the loading bin 703 ; thereby reminding the operator to place a new flexible printed circuit board on the loading bin 703 .

[0025] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope defined in the claims.

Claims

1. An automatic film tearing machine, comprising a chassis, on which an automatic tearing mechanism is provided; characterized in that: The automatic tearing mechanism comprises a pair of first guide rails arranged in parallel, both ends of the first guide rails are provided with vertically arranged support shafts, and the support shafts are installed on the chassis; the first guide rails are provided with guide grooves, a film tearing moving frame is provided between the pair of first guide rails, both ends of the film tearing moving frame are provided with sliders, and the sliders are installed in the guide grooves, the film tearing moving frame is provided with a second guide rail, and the film tearing moving frame is provided with a film tearing table, and the film tearing table is installed on the second guide rail; the first guide rail and the second guide rail are arranged vertically; A first driven wheel is provided at one end of the first guide rail, a first driving wheel is provided at the other end of the first guide rail, a first driving belt is wound between the first driving wheel and the first driven wheel, a slider is connected to a side of the first driving belt, a first support frame is provided on the first guide rail, a first stepper motor is provided on the first support frame, and an end of a driving shaft of the first stepper motor is connected to the first driving wheel; A first chain is provided at the side of the first guide rail, one end of the first chain is fixed on the first guide rail, and the other end of the first chain is connected to the side of the film tearing movable frame; A second driven wheel is provided at one end of the film-tearing mobile frame, a second driving wheel is provided at the other end of the film-tearing mobile frame, a second driving belt is wound between the second driving wheel and the second driven wheel, and the film-tearing platform is connected to the second driving belt; a second supporting frame is provided on the film-tearing mobile frame, a second stepping motor is provided on the second supporting frame, and an end of a driving shaft of the second stepping motor is connected to the second driving wheel; A second chain is arranged at the side of the film-tearing movable frame, one end of the second chain is fixed on the film-tearing movable frame, and the other end of the second chain is connected to the film-tearing platform.

2. The automatic film tearing machine according to claim 1, characterized in that: An upper box body is provided on the upper part of the chassis, a lower box body is provided on the lower part of the chassis, an upper maintenance door is provided on the front of the upper box body, a lower maintenance door is provided on the front of the lower box body, support feet are provided at the four corners of the chassis, and a plurality of universal wheels are provided at the bottom of the chassis, which are installed on the inner side of the support feet.

3. The automatic film tearing machine according to claim 2, characterized in that: A vacuum platform adsorption mechanism and a tape end-of-use detection mechanism are provided on the top surface of the upper box body, and the vacuum platform adsorption mechanism is installed below the automatic tearing mechanism; an upper and lower double platform mechanism is provided on the top surface of the upper box body; the tape end-of-use detection mechanism is installed between the upper and lower double platform mechanism and the vacuum platform adsorption mechanism; a rotating head automatic adjustment mechanism is provided on the top surface of the upper box body, and the tape end-of-use detection mechanism is installed on the rotating head automatic adjustment mechanism.

4. The automatic film tearing machine according to claim 2, characterized in that: An automatic loading and unloading mechanism is provided on the top surface of the upper box body, and the automatic loading and unloading mechanism includes a bottom plate, a first lifting plate is provided above one end of the bottom plate, and an loading bin is provided on the first lifting plate; a first lifting module is provided on one end of the bottom plate, and the first lifting plate is installed on the first lifting module; a second lifting plate is provided above the other end of the bottom plate, and a lowering bin is provided on the second lifting plate; a second lifting module is provided on the other end of the bottom plate, and the lowering bin is installed on the second lifting module.

5. The automatic film tearing machine according to claim 4, characterized in that: The first lifting plate is provided with a plurality of limit plates, which are installed on the surrounding surfaces of the upper material bin; the first lifting plate is provided with a plurality of limit seats, which are installed on the surrounding surfaces of the upper material bin.

6. The automatic film tearing machine according to claim 1, characterized in that: A fixing seat is arranged at the lower end of the supporting shaft, and a fixing cylinder is arranged between the upper end of the supporting shaft and the first guide rail.

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