Film coiled material slitting device

Abstract

The utility model relates to the technical field of film material processing equipment, in particular to a film coiled material slitting device which comprises a fixing frame, an intermittent structure is erected on the left side of the fixing frame, the upper end of the intermittent structure is fixedly connected with a stepping motor, the stepping motor is fixedly installed on the fixing frame, and a slitting cutter set is fixedly installed on the left side of the front end of the fixing frame. When the device is used, the stepping motor is driven, the stepping motor drives the roller to rotate, the roller drives the convex arc plate to rotate, the movable wheel shaft piece moves upwards along the outline of the front side end face of the convex arc plate, and the Y-shaped piece rotates around the positioning sleeve shaft seat under the lifting of the movable wheel shaft piece. The Y-shaped piece is subjected to torsion rotation of the torsion spring, the movable wheel shaft piece moves downwards along the outline of the rear side end face of the convex arc-shaped plate, the arc-shaped rack deflects in a reciprocating mode along with the Y-shaped piece, and due to the fact that the arc-shaped rack and the rack are meshed in an insection mode, it is guaranteed that a follow-up slitting cutter set conducts slitting accurately.

Description

TECHNICAL FIELD

[0001] The utility model relates to thin film material processing equipment technical field, concretely relates to a thin film coiled material slitting device. BACKGROUND

[0002] Thin film products are applied to many fields, including using whole film as a unit for covering needs, such as crop film, greenhouse film, packaging, etc., and also including weaving after slitting of the film coiled material, such as commonly seen woven bag products, or weaving the slit film into large area sheet material.

[0003] Since the slitting demand of thin film products is small in the market, and the length of the film is dozens of meters or hundreds of meters, there is currently a lack of devices for high-frequency slitting of short film, resulting in the need for manual assistance for semi-automatic auxiliary slitting. However, such intermittent cutting will cause great burden on the auxiliary personnel during long-time operation, causing fatigue and affecting the slitting effect or slitting length. Therefore, the technical personnel in the field provide a thin film coiled material slitting device to solve the problems in the above background. SUMMARY

[0004] To solve the above technical problems, the utility model provides a thin film coiled material slitting device, which comprises a fixed frame, an intermittent structure is arranged on the left side of the fixed frame, a stepping motor is fixedly connected to the upper end of the intermittent structure, the stepping motor is fixedly installed on the fixed frame, and a slitting cutter group is fixedly installed on the left side of the front end of the fixed frame.

[0005] The intermittent structure comprises a roller, a ring groove, a convex arc plate, a movable axle, a positioning sleeve seat, a torsion spring, a Y-shaped piece, an arc-shaped rack, and a rack, the roller is movably arranged on the rear side of the fixed frame, the ring groove is formed in the middle part of the outer wall surface of the roller, the convex arc plate is fixedly installed on the bottom of the ring groove, the convex arc plate is fixed to the lower side in the ring groove, the movable axle is arranged above the convex arc plate, the Y-shaped piece is sleeved on the left side of the movable axle, the positioning sleeve seat is fixedly installed in the middle part of the left end surface of the fixed frame, the torsion spring is arranged between the middle part of the Y-shaped piece and the positioning sleeve seat, the arc-shaped rack is fixedly installed at the front end of the Y-shaped piece, the rack is arranged on the front side of the arc-shaped rack, and the arc-shaped rack is in meshing connection with the rack.

[0006] Preferably, the torsion spring provides torsion for the Y-shaped piece around the positioning sleeve seat, and the movable axle is tightly attached to the side end profile of the convex arc plate.

[0007] Preferably, the slitting cutter group comprises a H-shaped frame plate, a limiting inner groove, a limiting sliding seat, a limiting piece, a fixed plate, a return spring, and a cutter piece, the H-shaped frame plate is fixedly arranged on the left side of the front end of the fixed frame, the limiting inner groove is formed in the inner side of the left and right wall plates of the H-shaped frame plate, and the limiting sliding seat is arranged in the limiting inner groove.

[0008] Preferably, the limiting slide is symmetrically fixed and installed with a limiting part on the outer side, the limiting part is L-shaped, and the limiting slide slides up and down in the limiting inner groove through the limiting part.

[0009] Preferably, a fixed plate is fixedly installed at the middle part between the two limiting parts on the limiting slide, a reset spring is fixedly installed at the lower end of the fixed plate, and the lower end of the reset spring is fixedly connected with the inner wall of the limiting inner groove.

[0010] Preferably, the rack is fixedly installed at the rear end of the limiting slide on the right side, and a cutter is fixedly installed between the limiting slides on the left and right sides.

[0011] The technical effects and advantages of the utility model are as follows:

[0012] 1. When the utility model is used, the drum is driven to rotate by the driving stepper motor, the drum drives the convex arc plate to rotate, the movable axle moves upwards along the front side end surface contour of the convex arc plate, the Y-shaped piece rotates around the positioning sleeve seat under the lifting of the movable axle, and the movable axle moves downwards along the rear side end surface contour of the convex arc plate under the torsional rotation of the torsional spring, so that the arc-shaped rack reciprocatingly deflects along with the Y-shaped piece, the arc-shaped rack is in mesh with the rack, and the subsequent slitting cutter group is guaranteed to be slitting accurate.

[0013] 2. When the utility model is used, the rack drives the limiting slide on the right side to reciprocatingly slide by the elastic deformation of the reset spring in the limiting inner groove through the limiting part, the limiting slide on the left side reciprocatingly slides by the elastic deformation of the reset spring in the limiting inner groove through the limiting part, the overall cutter is guaranteed to stably move up and down, the limiting slide drives the cutter to complete the slitting work on the film, the slitting task is continuously and efficiently mechanically executed, and the burden of manual slitting assistance is reduced. DRAWINGS

[0014] Fig. 1 is a structural schematic view provided by the application;

[0015] Fig. 2 is a structural schematic view of an intermittent structure provided by the application;

[0016] Fig. 3 is a structural schematic view of a slitting cutter group provided by the application;

[0017] In the drawings: 1, fixed frame; 2, stepper motor; 3, intermittent structure; 4, slitting cutter group;

[0018] 31, roller; 32, ring groove; 33, convex arc plate; 34, movable axle; 35, positioning sleeve base; 36, torsion spring; 37, Y-shaped piece; 38, arc-shaped rack; 39, rack;

[0019] 41, Y-shaped frame plate; 42, limiting inner groove; 43, limiting sliding seat; 44, limiting piece; 45, fixed plate; 46, return spring; 47, cutter piece. DETAILED DESCRIPTION

[0020] The embodiments of the present application are given for illustrative and descriptive purposes only and are not intended to be exhaustive or to limit the present application to the precise form disclosed. Many modifications and variations are possible in light of this disclosure. The embodiments are chosen and described in order to provide the best illustration of the principles of the present application and its practical application, and to enable one of ordinary skill in the art to utilize the present application in various embodiments and with various modifications as are suited to the particular use contemplated.

[0021] Please refer to Figs. 1-3 In the embodiment, a film roll cutting device is provided, which comprises a fixed frame 1, an intermittent structure 3 is arranged on the left side of the fixed frame 1, a stepping motor 2 is fixedly connected to the upper end of the intermittent structure 3, the stepping motor 2 is fixedly installed on the fixed frame 1, and a cutting knife group 4 is fixedly installed on the left side of the front end of the fixed frame 1;

[0022] The intermittent structure 3 comprises a roller 31, a ring groove 32, a convex arc plate 33, a movable axle 34, a positioning sleeve base 35, a torsion spring 36, a Y-shaped piece 37, an arc-shaped rack 38 and a rack 39, the roller 31 is movably arranged on the rear side of the fixed frame 1, the ring groove 32 is formed in the middle part of the outer side wall of the roller 31, the convex arc plate 33 is fixedly installed on the groove bottom of the ring groove 32, the movable axle 34 is arranged above the convex arc plate 33, the Y-shaped piece 37 is sleeved on the left side of the movable axle 34, the positioning sleeve base 35 is fixedly installed on the middle part of the left end surface of the fixed frame 1, the torsion spring 36 is arranged between the middle part of the Y-shaped piece 37 and the positioning sleeve base 35, the torsion spring 36 provides torsion force for the Y-shaped piece 37 to rotate around the positioning sleeve base 35, so that the movable axle 34 is tightly attached to the side end contour of the convex arc plate 33, the arc-shaped rack 38 is fixedly installed on the front end of the Y-shaped piece 37, the rack 39 is arranged on the front side of the arc-shaped rack 38, and the arc-shaped rack 38 and the rack 39 are in meshing engagement.

[0023] The slitting cutter group 4 comprises a bracket plate 41, a limiting inner groove 42, a limiting sliding seat 43, a limiting piece 44, a fixed plate 45, a return spring 46 and a cutter piece 47, the bracket plate 41 is fixed to the left side of the front end of the fixed frame 1, the limiting inner groove 42 is formed in the inner side of the left and right wall plates of the bracket plate 41, the limiting sliding seat 43 is arranged in the limiting inner groove 42, the limiting piece 44 is fixedly installed on the outer side of the limiting sliding seat 43 in a front-rear symmetrical mode, the limiting piece 44 is L-shaped, the limiting sliding seat 43 slides up and down in the limiting inner groove 42 through the limiting piece 44, the fixed plate 45 is fixedly installed on the middle part between the two limiting pieces 44 on the limiting sliding seat 43, the return spring 46 is fixedly installed on the lower end of the fixed plate 45, the lower end of the return spring 46 is fixedly connected with the inner groove lower wall of the limiting inner groove 42, the rack 39 is fixedly installed on the rear end of the right limiting sliding seat 43, and the cutter piece 47 is fixedly installed between the left and right limiting sliding seats 43.

[0024] The working principle of the utility model is:

[0025] In use, the driving stepper motor 2 drives the drum 31 to rotate, the drum 31 drives the convex arc plate 33 to rotate, the movable wheel shaft piece 34 moves upwards along the front side end surface contour of the convex arc plate 33, the Y-shaped piece 37 rotates around the positioning sleeve shaft seat 35 under the lifting of the movable wheel shaft piece 34, and the movable wheel shaft piece 34 moves downwards along the rear side end surface contour of the convex arc plate 33 under the torsional return of the torsional spring 36, so that the arc-shaped rack 38 follows the reciprocating deflection of the Y-shaped piece 37, the arc-shaped rack 38 is in tooth meshing with the rack 39, and then the subsequent slitting cutter group 4 is guaranteed to be slitted accurately, in the meshing process of the arc-shaped rack 38 and the rack 39, the rack 39 drives the right limiting sliding seat 43 to reciprocatingly slide by being up and down displaced in the limiting inner groove 42 in cooperation with the elastic deformation of the return spring 46, the left limiting sliding seat 43 is synchronously arranged and reciprocatingly slides by being up and down displaced in the limiting inner groove 42 through the limiting piece 44, the overall cutter piece 47 is guaranteed to be stably up and down moved, the limiting sliding seat 43 drives the cutter piece 47 to complete the slitting work on the film, then continuously and efficiently mechanically executes the slitting task, and the burden of manual auxiliary slitting is reduced.

[0026] Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art and related fields without creative labor should belong to the protection scope of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the art, if no special description and limitation.

Claims

1. A film web slitting device comprising a fixed frame (1), characterized in that, The left side of the fixed frame (1) is provided with an intermittent structure (3), and the upper end of the intermittent structure (3) is fixedly connected with a stepping motor (2), and the stepping motor (2) is fixedly installed on the fixed frame (1); and a slitting cutter group (4) is fixedly installed on the left side of the front end of the fixed frame (1). The intermittent structure (3) comprises a roller (31), a ring groove (32), a convex arc plate (33), a movable wheel shaft piece (34), a positioning sleeve shaft seat (35), a torsion spring (36), a Y-shaped piece (37), an arc-shaped rack (38) and a rack (39); the roller (31) is movably arranged on the rear side of the fixed frame (1); the outer side wall of the roller (31) is provided with the ring groove (32) in the middle part; the convex arc plate (33) is fixedly installed on the bottom of the ring groove (32); the movable wheel shaft piece (34) is arranged above the convex arc plate (33); the Y-shaped piece (37) is sleeved on the left side of the movable wheel shaft piece (34); the positioning sleeve shaft seat (35) is fixedly installed on the middle part of the left end surface of the fixed frame (1); the torsion spring (36) is arranged between the middle part of the Y-shaped piece (37) and the positioning sleeve shaft seat (35); the arc-shaped rack (38) is fixedly installed on the front end of the Y-shaped piece (37); the rack (39) is arranged on the front side of the arc-shaped rack (38); and the arc-shaped rack (38) is in mesh with the rack (39).

2. A film web slitting apparatus as defined in claim 1, wherein, The torsion spring (36) provides torsion for the Y-shaped piece (37) around the positioning sleeve shaft seat (35), and the movable wheel shaft piece (34) is tightly attached to the side end contour of the convex arc plate (33).

3. The apparatus of claim 1 wherein, The slitting cutter group (4) comprises a L-shaped frame plate (41), a limiting inner groove (42), a limiting sliding seat (43), a limiting piece (44), a fixed plate (45), a reset spring (46) and a cutter piece (47); the L-shaped frame plate (41) is fixedly installed on the left side of the front end of the fixed frame (1); the limiting inner groove (42) is formed in the inner side of the left and right wall plates of the L-shaped frame plate (41); and the limiting sliding seat (43) is arranged in the limiting inner groove (42).

4. The apparatus of claim 3 wherein, The limiting sliding seat (43) is fixedly installed with the limiting piece (44) on the outer side in a front-rear symmetrical manner; the limiting piece (44) is in an L-shaped angle shape; and the limiting sliding seat (43) slides up and down in the limiting inner groove (42) through the limiting piece (44).

5. A film web slitting apparatus as defined in claim 4, wherein, The fixed plate (45) is fixedly installed between the two limiting pieces (44) on the limiting sliding seat (43); the reset spring (46) is fixedly installed on the lower end of the fixed plate (45); and the lower end of the reset spring (46) is fixedly connected with the inner wall of the limiting inner groove (42).

6. A film web slitting apparatus as defined in claim 5, wherein, The rack (39) is fixedly installed on the rear end of the limiting sliding seat (43) on the right side; and the cutter piece (47) is fixedly installed between the limiting sliding seats (43) on the left and right sides.

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