Film slitting equipment

Abstract

The utility model relates to film slitting equipment which comprises a base, and an unwinding shaft, a slitting mechanism and a winding shaft are sequentially arranged on the base from front to back. The slitting mechanism comprises a mounting frame, a cutter shaft arranged on the mounting frame, a plurality of cutters distributed on the cutter shaft at intervals and a supporting shaft arranged below the cutter shaft in parallel, and further comprises a deviation rectifying mechanism arranged on the front side of the slitting mechanism and capable of moving in the axial direction; the static electricity eliminator is arranged on the front side of the slitting mechanism and used for eliminating static electricity of the film to be slit; and the waste recovery mechanism is arranged below the slitting mechanism and sucks the cut waste through negative pressure. According to the utility model, the deviation correcting mechanism is arranged, so that the deviation of the film can be corrected in time, the straightness and the position accuracy of the film in the slitting process are ensured, and the slitting quality is improved; and the static electricity of the film to be slit is effectively eliminated through the arrangement of the static electricity eliminator, and the problems of film adhesion, adsorption, ignition and the like caused by the static electricity are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fuel cell processing technical field, especially relates to a film slitting equipment. BACKGROUND

[0002] Membrane electrode assembly is the core component of fuel cell, it is by fuel cell CCM membrane electrode, and the gas diffusion layer combination located CCM membrane electrode both sides. In order to guarantee the positioning accuracy of CCM membrane electrode, generally in production, CCM membrane electrode is die cut, and is compounded with PET film, finally is compounded with gas diffusion layer, and is made into complete membrane electrode assembly.

[0003] Because in the slitting process, CCM membrane electrode and guide roller transmission are easy to produce static electricity, cause the film to easily adsorb dust in the air, even cause the membrane electrode to ignite the security risk.

[0004] The Chinese invention patent with the authorization announcement number CN110356907B discloses a kind of continuous sheeting feeding method and system of hydrogen fuel cell CCM membrane electrode, wherein system includes CCM membrane electrode unwinding mechanism, CCM bottom film winding mechanism, bottom film separation roller and slitting mechanism, but the system has the problems of easy deviation and easy static electricity in production process. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of film slitting equipment to solve the problems raised in the background art.

[0006] The above-mentioned purpose of the utility model is realized by the following technical scheme: a kind of film slitting equipment, including base, the base is sequentially provided with unwinding shaft, slitting mechanism and winding shaft from front to back;The slitting mechanism includes mounting bracket, cutter shaft being arranged on the mounting bracket, multiple cutters being distributed on the cutter shaft, and support shaft being arranged in parallel below the cutter shaft, further including:

[0007] Deviation rectifying mechanism, set in the front side of the slitting mechanism, and can move along the axial direction;

[0008] Static eliminator, set in the front side of the slitting mechanism, for eliminating the static electricity of the film to be slitted;

[0009] Waste recovery mechanism, set below the slitting mechanism, cut waste is sucked by negative pressure.

[0010] As preferred, the deviation rectifying mechanism includes adjusting seat, deviation rectifying guide roller being arranged on the adjusting seat, and drive assembly driving the adjusting seat to move along the axial direction, the adjusting seat is installed on the base by slide rail, and the unwinding shaft is arranged on the adjusting seat.

[0011] As preferred, the number of the deviation rectifying guide rollers is two, which are arranged in an up-down manner.

[0012] As preferred, a photoelectric sensor is arranged at the rear side of the deviation rectifying guide roller, and the photoelectric sensor is connected with the driving assembly through a control circuit.

[0013] As preferred, the driving assembly comprises a screw rod rotatably arranged on the base, a motor arranged at the end of the screw rod, and a nut seat threadedly arranged on the screw rod, the nut seat being fixedly connected with the bottom of the adjusting seat.

[0014] As preferred, a limiting guide roller is arranged above the electrostatic eliminator, and the limiting guide roller and the electrostatic eliminator have a gap for the film to pass through.

[0015] As preferred, the waste recycling mechanism comprises a suction hopper and a negative pressure fan, the suction hopper being fixedly arranged below the supporting shaft, and the negative pressure fan being connected with the suction hopper through a pipeline.

[0016] As preferred, an installation arm is arranged on the mounting frame, one end of the installation arm being hingedly connected with the mounting frame, the other end of the installation arm being connected with the end of the cutter shaft, and a driving element for driving the installation arm to swing up and down is arranged on the mounting frame.

[0017] As preferred, the unwinding shaft and the winding shaft are both air expansion shafts.

[0018] The present application has the following advantages:

[0019] 1. The deviation rectifying mechanism can timely rectify the deviation of the film, ensure the straightness and position accuracy of the film in the slitting process, and improve the slitting quality.

[0020] 2. The electrostatic eliminator can effectively eliminate the static electricity of the film to be slit, avoid the problems of film adhesion, adsorption and ignition caused by static electricity, ensure the smooth slitting process, and eliminate the safety hazards in the production process.

[0021] 3. The waste recycling mechanism can automatically collect and clean the cutting waste by negative pressure suction, which not only reduces the workload of manual cleaning, but also maintains the cleanliness and hygiene of the working environment. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural schematic view of an embodiment of the present application;

[0023] Figure 2 is a distribution schematic view of the slitting mechanism, the electrostatic eliminator and the waste recycling mechanism in an embodiment of the present application;

[0024] Figure 3It is the structure schematic view of the deviation rectifying mechanism in the embodiment of the utility model;

[0025] Figure 4 It is the front view of the deviation rectifying mechanism in the embodiment of the utility model;

[0026] In the drawing: 1 - base, 2 - unwinding shaft, 3 - winding shaft, 4 - slitting mechanism, 401 - mounting bracket, 402 - cutter shaft, 403 - cutter, 404 - mounting arm, 405 - driving element, 406 - support shaft, 5 - deviation rectifying mechanism, 501 - adjusting seat, 502 - deviation rectifying guide roller, 503 - screw rod, 504 - nut seat, 505 - motor, 506 - photoelectric sensor, 6 - static eliminator, 7 - waste recovery mechanism, 701 - suction hopper, 702 - negative pressure fan, 8 - limiting guide roller. DETAILED DESCRIPTION

[0027] The utility model will be further explained in detail in combination with the drawings.

[0028] The embodiment is only an explanation of the utility model, and it is not a limitation of the utility model, and the person skilled in the art can make a modification without creative contribution according to the need after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

[0029] Embodiment: as shown in Figure 1 And Figure 2 A film slitting equipment, including base 1, unwinding shaft 2, slitting mechanism 4 and winding shaft 3 are sequentially arranged from front to back on base 1, wherein unwinding shaft 2 and winding shaft 3 all adopt gas expansion shaft.

[0030] Slitting mechanism 4 includes mounting bracket 401, cutter shaft 402, cutter 403 and support shaft 406, mounting bracket 401 is distributed on the both sides of base 1, a plurality of cutters 403 are distributed on cutter shaft 402, cutter shaft 402 is installed on mounting bracket 401 through mounting arm 404, one end of mounting arm 404 is hinged on mounting bracket 401, the other end is connected on the end of cutter shaft 402, driving element 405 that drives mounting arm 404 to swing up and down is arranged on mounting bracket 401, and driving element 405 adopts gas cylinder or hydraulic cylinder.

[0031] The both ends of support shaft 406 are fixed on mounting bracket 401, and are arranged in parallel below cutter shaft 402, and cutting groove is arranged on support shaft 406, and cutting groove is below corresponding cutter 403.

[0032] As shown in Figure 3 And Figure 4As shown, the film slitting device further comprises a deviation rectifying mechanism 5 located in front of the slitting mechanism 4 and movable in the axial direction. The deviation rectifying mechanism 5 comprises an adjusting seat 501, a deviation rectifying guide roller 502 rotating on the adjusting seat 501, and a driving assembly driving the adjusting seat 501 to move in the axial direction. The adjusting seat 501 is mounted on the base 1 through a slide rail, and the unwinding shaft 2 is arranged on the adjusting seat 501 and moves in the axial direction with the adjusting seat 501.

[0033] The deviation rectifying guide roller 502 is arranged in parallel with the unwinding shaft 2, and the number of the deviation rectifying guide roller 502 is two, which are arranged in an upper and lower distribution. The film to be slit passes between the two deviation rectifying guide rollers 502.

[0034] The rear side of the deviation rectifying guide roller 502 is provided with a photoelectric sensor 506 located below the film to be slit. The sensor is connected to the driving assembly through a control circuit. When the photoelectric sensor 506 detects that the position of the film deviates, the driving assembly is controlled to operate through the control circuit, so as to adjust the axial position of the unwinding shaft 2 and the deviation rectifying guide roller 502, thereby adjusting the position of the film and preventing the film from deviating. The above-mentioned control circuit and control mode are prior art, which will not be described in detail here.

[0035] The driving assembly comprises a lead screw 503, a motor 505, and a nut seat 504. The lead screw 503 is rotatably mounted on the base 1 and located below the adjusting seat 501, and is arranged in parallel with the unwinding shaft 2. The nut seat 504 is fixedly connected to the bottom of the adjusting seat 501 and is mounted on the lead screw 503 in a threaded cooperation manner. The motor 505 is fixedly mounted on the adjusting seat 501, and its output shaft is connected to the end of the lead screw 503. The lead screw 503 and the nut seat 504 drive the adjusting seat 501 to move in the axial direction.

[0036] The film slitting device further comprises an electrostatic eliminator 6 arranged in front of the slitting mechanism 4 and fixedly mounted on the mounting frame 401. The electrostatic eliminator 6 adopts an ion air knife in a strip structure, and the ion air knife is located in front of the knife shaft 402.

[0037] A limiting guide roller 8 is arranged above the electrostatic eliminator 6, and the limiting guide roller 8 and the electrostatic eliminator 6 have a gap for the film to pass through. After the film passes between the two, it enters the slitting mechanism 4 for slitting.

[0038] A waste recycling mechanism 7 is arranged below the slitting mechanism 4, which sucks the cutting waste through negative pressure. The waste recycling mechanism 7 comprises a suction hopper 701 and a negative pressure fan 702. The suction hopper 701 is fixed below the supporting shaft 406, and the negative pressure fan 702 is connected to the suction hopper 701 through a pipeline. The negative pressure fan 702 forms negative pressure in the suction hopper 701 after running, and the waste generated during cutting is sucked into the suction hopper 701 and discharged into a special collection barrel through the pipeline.

Claims

1. A film slitting device, comprising a base (1), wherein an unwinding shaft (2), a slitting mechanism (4), and a rewinding shaft (3) are arranged sequentially from front to back on the base (1); the slitting mechanism (4) comprises a mounting frame (401), a cutting shaft (402) disposed on the mounting frame (401), a plurality of cutting blades (403) spaced apart on the cutting shaft (402), and a support shaft (406) arranged parallel to the bottom of the cutting shaft (402), characterized in that, Also includes: The correction mechanism (5) is located in front of the cutting mechanism (4) and can move axially; An electrostatic eliminator (6) is disposed on the front side of the slitting mechanism (4) to eliminate static electricity in the film to be slitted; The waste recycling mechanism (7) is located below the cutting mechanism (4) and sucks up the cutting waste by negative pressure.

2. The film slitting device according to claim 1, characterized in that: The correction mechanism (5) includes an adjustment seat (501), a correction guide roller (502) disposed on the adjustment seat (501), and a drive assembly for driving the adjustment seat (501) to move axially. The adjustment seat (501) is mounted on the base (1) via a slide rail, and the unwinding shaft (2) is disposed on the adjustment seat (501).

3. The film slitting device according to claim 2, characterized in that: The number of the correction guide rollers (502) is two, which are distributed vertically.

4. The film slitting device according to claim 2, characterized in that: A photoelectric sensor (506) is provided on the rear side of the correction guide roller (502), and the photoelectric sensor (506) is connected to the drive assembly through a control circuit.

5. A film slitting device according to claim 4, characterized in that: The drive assembly includes a lead screw (503) rotatably mounted on the base (1), a motor (505) disposed at the end of the lead screw (503), and a nut (504) threadedly mounted on the lead screw (503), the nut (504) being fixed to the bottom of the adjusting seat (501).

6. The film slitting device according to claim 1, characterized in that: A limiting guide roller (8) is provided above the static eliminator (6), and there is a gap between the limiting guide roller (8) and the static eliminator (6) for the film to pass through.

7. A film slitting device according to claim 1, characterized in that: The waste recycling mechanism (7) includes a suction hopper (701) and a negative pressure fan (702). The suction hopper (701) is fixed below the support shaft (406), and the negative pressure fan (702) is connected to the suction hopper (701) through a pipe.

8. A film slitting device according to claim 1, characterized in that: The mounting bracket (401) is provided with a mounting arm (404), one end of which is hinged to the mounting bracket (401) and the other end is connected to the end of the cutter shaft (402). The mounting bracket (401) is provided with a driving element (405) for driving the mounting arm (404) to swing up and down.

9. A film slitting device according to claim 1, characterized in that: Both the unwinding shaft (2) and the winding shaft (3) are air-expanding shafts.

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