A positioning and cutting device for plastic film

Abstract

The utility model discloses a positioning and cutting device for plastic film, comprising a workbench, a frame assembly is arranged on the workbench, a cutting assembly is installed on the frame assembly, the cutting assembly comprises an electric telescopic assembly, a mounting plate and a cutting knife assembly, the electric telescopic assembly is located at the top of the frame assembly, the output end of the electric telescopic assembly is fixedly connected to the top of the mounting plate, the cutting knife assembly is located at the bottom of the mounting plate, the cutting knife assembly comprises two groups of fixed plates arranged at intervals and a cutting knife arranged between the two groups of fixed plates, a telescopic sleeve rod is arranged at the bottom of the fixed plate, and a ball bearing is arranged on the bottom of the telescopic sleeve rod. The utility model realizes the positioning of the plastic film during cutting by arranging the telescopic sleeve rod on the fixed plates of the two groups of cutting knives.

Description

Technical Field

[0001] The utility model belongs to the technical field of film cutting, and in particular relates to a positioning and cutting device for plastic films. Background Art

[0002] Film is a thin, soft, transparent sheet. Made of plastic, adhesive, rubber or other materials. The scientific explanation of film is: a two-dimensional material formed by the deposition of atoms, molecules or ions on the surface of a substrate, such as optical film, composite film, superconducting film, polyester film, nylon film, plastic film, etc.

[0003] There are many positioning tools for film cutting in the prior art. For example, Chinese utility model patent with publication number CN219633971U discloses "a positioning tool for plastic film", including a working plate, the top surface of which has two symmetrically distributed grooves; in the utility model, a positioning tool for film cutting can facilitate the installation or disassembly of the guide rod through the coordinated use of the set threaded rod, nut and limit groove, which is beneficial for the staff to adjust the number of connecting frames, thereby avoiding the redundant connecting frames occupying the space on the fixed plate, thereby avoiding the situation where the spacing between multiple cutting knives is inconvenient to adjust, so as to facilitate the control and adjustment of the size of the film cutting, and at the same time, by using the coordinated use of the positioning plate, the fixed rod, the positioning sheet and the reset spring, the mounting plate can be quickly installed or disassembled, which is beneficial for the staff to disassemble and grind the cutting knife when performing the cutting work, so that the cutting knife can be convenient for cutting the film.

[0004] However, when the above-mentioned device is actually used, the cutting knife may easily damage the plastic film due to the thrust of the electric push rod during the cutting process, and the cutting knife cannot assist in positioning the film during the cutting process, which may easily cause burrs on the film during the cutting process. Utility Model Content

[0005] The utility model provides a positioning and cutting device for plastic film, which can effectively solve the above problems.

[0006] The utility model is achieved in this way:

[0007] A positioning and cutting device for plastic film, comprising:

[0008] A workbench, wherein a frame assembly is arranged on the workbench, a cutting assembly is installed on the frame assembly, the cutting assembly comprises an electric telescopic assembly, a mounting plate and a cutting knife assembly, the electric telescopic assembly is located at the top of the frame assembly, the output end of the electric telescopic assembly is fixedly connected to the top of the mounting plate, the cutting knife assembly is located at the bottom of the mounting plate, the cutting knife assembly comprises two groups of fixed plates arranged at intervals and a cutting knife arranged between the two groups of fixed plates, a telescopic sleeve rod is arranged at the bottom of the fixed plate, an anti-compression spring is sleeved on the telescopic sleeve rod, and a ball is rolled at the bottom of the telescopic sleeve rod.

[0009] As a further improvement, two groups of telescopic rods are fixedly arranged at intervals on the top of the mounting plate, and the two groups of telescopic rods are respectively located on the left and right sides of the electric telescopic assembly.

[0010] As a further improvement, the frame assembly includes support columns located on the left and right sides of the workbench, a top plate is fixedly arranged on the top of the support columns, a groove is arranged in the middle of the two groups of support columns, sliding grooves are arranged on both sides of the groove, a guide rod is arranged in the groove, a sliding block is sleeved on the guide rod, the sliding block is fixedly connected to the two ends of the mounting plate, a shock-absorbing spring is sleeved on the guide rod located at the upper part of the sliding block, and a buffer spring is sleeved on the guide rod located at the lower part of the sliding block.

[0011] As a further improvement, a roller assembly and a edge pressing assembly are provided on the workbench, the roller assembly is located at the feed end of the workbench, the roller assembly is rotatably installed on the workbench via a hub motor, the edge pressing assembly is located at the discharge end of the workbench, the edge pressing assembly includes a mounting frame, and two groups of pressure rollers are rotatably arranged in the mounting frame.

[0012] As a further improvement, the cutting blade assemblies are provided in at least three groups, and the three groups of cutting blade assemblies are arranged at equal intervals at the bottom of the mounting plate.

[0013] As a further improvement, at least three groups of leakage grooves are provided on the workbench, and the leakage grooves are arranged in one-to-one correspondence with the installation positions of the cutting knives.

[0014] As a further improvement, a collecting box is provided at the bottom of the leakage trough, a single door is provided on the outer surface of the collecting box via a hinge, and a lock is provided on the side of the single door away from the hinge.

[0015] The beneficial effects of the utility model are as follows: by arranging telescopic sleeve rods on the fixing plates of the two groups of cutting knives, the positioning of the plastic film during cutting is achieved through the telescopic sleeve rods; secondly, by rolling balls at the bottom of the telescopic sleeve rods, the plastic film can still be moved by the rotation of the balls when the telescopic sleeve rods are pressed down, thereby achieving the cutting of the plastic film. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 yes Figure 1 Schematic diagram of the locally enlarged structure of A in the middle.

[0019] Reference numerals:

[0020] 1-workbench, 2-support column, 3-electric telescopic assembly, 4-telescopic rod, 5-mounting plate, 6-fixed plate, 7-telescopic sleeve rod, 8-ball, 9-anti-pressure spring, 10-cutting knife, 11-top plate, 12-groove, 13-sliding groove, 14-guide rod, 15-sliding block, 16-shock-absorbing spring, 17-buffer spring, 18-roller, 19-leakage trough, 20-mounting frame, 21-pressure roller, 22-collection box, 23-single door. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0022] In the description of the present invention, the terms "upper", "lower", "above", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] Reference Figure 1-2 As shown, this embodiment provides a positioning and cutting device for a plastic film, comprising:

[0024] A workbench 1, wherein a frame assembly is arranged on the workbench 1, a cutting assembly is installed on the frame assembly, the cutting assembly comprises an electric telescopic assembly 3, a mounting plate 5 and a cutting knife assembly, the electric telescopic assembly 3 is located at the top of the frame assembly, the output end of the electric telescopic assembly 3 is fixedly connected to the top of the mounting plate 5, the cutting knife assembly is located at the bottom of the mounting plate 5, the cutting knife assembly comprises two groups of fixed plates 6 arranged at intervals and a cutting knife 10 arranged between the two groups of fixed plates 6, a telescopic sleeve rod 7 is arranged at the bottom of the fixed plate 6, an anti-compression spring 9 is sleeved on the telescopic sleeve rod 7, and a ball 8 is rollingly arranged at the bottom of the telescopic sleeve rod 7.

[0025] By arranging a telescopic sleeve rod 7 on the fixed plates 6 of the two groups of cutting knives 10, the positioning of the plastic film during cutting is achieved through the telescopic sleeve rod 7. Secondly, by rolling a ball 8 at the bottom of the telescopic sleeve rod 7, the plastic film can still be moved by the rotation of the ball 8 when the telescopic sleeve rod 7 is pressed down, thereby achieving the cutting of the plastic film.

[0026] Furthermore, two groups of telescopic rods 4 are fixedly arranged at intervals on the top of the mounting plate 5 , and the two groups of telescopic rods 4 are respectively located on the left and right sides of the electric telescopic assembly 3 .

[0027] By arranging the telescopic rods 4 on the left and right sides of the electric telescopic assembly 3, the lowering and rising of the mounting plate 5 are assisted and fixed, thereby preventing the mounting plate 5 from shaking.

[0028] Furthermore, the frame assembly includes support columns 2 located on the left and right sides of the workbench 1, a top plate 11 is fixedly provided on the top of the support columns 2, a groove 12 is provided in the middle of the two groups of support columns 2, sliding grooves 13 are provided on both sides of the groove 12, a guide rod 14 is provided in the groove 12, a sliding block 15 is sleeved on the guide rod 14, the sliding block 15 is fixedly connected to the two ends of the mounting plate 5, a shock-absorbing spring 16 is sleeved on the guide rod 14 located at the upper part of the sliding block 15, and a buffer spring 17 is sleeved on the guide rod 14 located at the lower part of the sliding block 15.

[0029] By arranging a sliding groove 13 and a guide rod 14 in the groove 12 of the support column 2, and arranging a sliding block 15 in the guide rod 14, the sliding block 15 is fixedly connected to the mounting plate 5, so that the mounting plate 5 can slide along the guide rod 14, thereby achieving the stability of the overall descent and ascent of the mounting plate 5. Secondly, by arranging a shock-absorbing spring 16 and a buffer spring 17 on the guide rod 14, it is avoided that the mounting plate 5 is damaged by the cutting knife assembly due to the electric telescopic assembly 3 descending or rising too much. The plastic film.

[0030] Furthermore, a roller assembly 18 and a edge pressing assembly are provided on the workbench 1. The roller assembly 18 is located at the feed end of the workbench 1. The roller assembly 18 is rotatably installed on the workbench 1 through a hub motor. The edge pressing assembly is located at the discharge end of the workbench 1. The edge pressing assembly includes a mounting frame 20. Two groups of pressing rollers 21 are rotatably arranged in the mounting frame 20.

[0031] In this embodiment, the pressing roller 21 may be a hot pressing roller 21, which processes the burrs on the plastic film by a certain temperature, thereby better achieving that the cut plastic film meets the standards.

[0032] By setting a roller wheel 18 at the feeding end of the workbench 1 to achieve traction of the plastic film, and then setting a pressing assembly at the discharging end of the workbench 1, the cut plastic film is pressed to avoid burrs on the cut plastic film.

[0033] Furthermore, at least three groups of the cutting blade assemblies are provided, and the three groups of the cutting blade assemblies are equidistantly spaced at the bottom of the mounting plate 5 .

[0034] Furthermore, at least three groups of leakage grooves 19 are provided on the workbench 1 , and the leakage grooves 19 are arranged in one-to-one correspondence with the installation positions of the cutting blades 10 .

[0035] Furthermore, a collecting box 22 is provided at the bottom of the leakage chute 19, and a single door 23 is provided on the outer surface of the collecting box 22 via a hinge, and a lock is provided on the side of the single door 23 away from the hinge.

[0036] By arranging a collecting box 22 at the bottom of the leakage chute 19, the waste generated during the cutting process of the plastic film can enter the collecting box 22 through the leakage chute 19, thereby avoiding the waste from accumulating on the workbench 1, and a single door 23 is opened on the surface of the collecting box 22, so that workers can better clean the waste in the collecting box 22.

[0037] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A positioning and cutting device for plastic film, characterized in that: include: A workbench, wherein a frame assembly is arranged on the workbench, a cutting assembly is installed on the frame assembly, the cutting assembly comprises an electric telescopic assembly, a mounting plate and a cutting knife assembly, the electric telescopic assembly is located at the top of the frame assembly, the output end of the electric telescopic assembly is fixedly connected to the top of the mounting plate, the cutting knife assembly is located at the bottom of the mounting plate, the cutting knife assembly comprises two groups of fixed plates arranged at intervals and a cutting knife arranged between the two groups of fixed plates, a telescopic sleeve rod is arranged at the bottom of the fixed plate, an anti-compression spring is sleeved on the telescopic sleeve rod, and a ball is rolled at the bottom of the telescopic sleeve rod.

2. The positioning and cutting device for plastic film according to claim 1, characterized in that: Two groups of telescopic rods arranged at intervals are also fixedly arranged on the top of the mounting plate, and the two groups of telescopic rods are respectively located on the left and right sides of the electric telescopic assembly.

3. The positioning and cutting device for plastic film according to claim 1, characterized in that: The frame assembly includes support columns located on the left and right sides of the workbench, a top plate is fixedly arranged on the top of the support columns, a groove is arranged in the middle of the two groups of support columns, sliding grooves are arranged on both sides of the groove, a guide rod is arranged in the groove, a sliding block is sleeved on the guide rod, the sliding block is fixedly connected to the two ends of the mounting plate, a shock-absorbing spring is sleeved on the guide rod located at the upper part of the sliding block, and a buffer spring is sleeved on the guide rod located at the lower part of the sliding block.

4. The positioning and cutting device for plastic film according to claim 1, characterized in that: The workbench is provided with a roller part and a pressure edge assembly, the roller part is located at the feed end of the workbench, the roller part is rotatably installed on the workbench through a hub motor, the pressure edge assembly is located at the discharge end of the workbench, the pressure edge assembly includes a mounting frame, and two groups of pressure rollers are rotatably arranged in the mounting frame.

5. The positioning and cutting device for plastic film according to claim 1, characterized in that: At least three groups of the cutting blade assemblies are provided, and the three groups of the cutting blade assemblies are arranged at equal intervals at the bottom of the mounting plate.

6. The positioning and cutting device for plastic film according to claim 1, characterized in that: At least three groups of material leakage grooves are also provided on the workbench, and the material leakage grooves are arranged in one-to-one correspondence with the installation positions of the cutting knives.

7. The positioning and cutting device for plastic film according to claim 6, characterized in that: The bottom of the leakage trough is connected to a collecting box, and the outer surface of the collecting box is provided with a single door through a hinge, and a lock is provided on the side of the single door away from the hinge.

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