Cutting device of plastic granulator

Abstract

The utility model discloses a material cutting device of a plastic granulator. The material cutting device comprises a base, the moving mechanism comprises a sliding rail and the like, the sliding rail is fixed to the middle of the base, and a groove is formed in the middle of the sliding rail; the clamping mechanism comprises a first clamping assembly and a second clamping assembly; the lifting mechanism comprises a lifting rod and the like, the lifting rod penetrates through a through hole in the base, the middle of a connecting plate is fixed to the bottom end of the lifting rod, two first lifting driving pieces are connected with the two ends of the connecting plate respectively and installed at the bottom end of the base, and a supporting plate is fixed to the top end of the connecting plate; the cutting mechanism comprises a rotating motor, a rotating shaft and a cutting knife, the rotating motor is fixed to the supporting plate and connected with one end of the rotating shaft, and one end of the rotating shaft is fixed to the cutting knife. Plastic strips are clamped through the moving mechanism and the clamping mechanism, the plastic strips are prevented from deviating during cutting, and the cutting quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to a plastic granulator, in particular to a material cutting device of the plastic granulator. Background Art

[0002] Plastic granulator is mainly used to process waste plastic film, such as industrial packaging film, agricultural mulch film, greenhouse film, beer bags, handbags, etc., and woven bags, convenient bags, basins, barrels, beverage bottles, plastic furniture, etc. in daily life. It is suitable for most common waste plastics and is the most widely used, most popular and most popular plastic recycling processing machinery in the waste plastic recycling industry.

[0003] The Chinese utility model patent with patent number "CN202220127531.7" discloses a plastic granulator cutting device, including a workbench, the lower part of the workbench is detachably provided with support legs for support, the top of the workbench is detachably provided with a cylinder, and the top of the cylinder is detachably provided with a support plate; a baffle, the baffle is arranged on the left and right sides of the top of the workbench, has a simple structure, is easy to operate and use, reduces the investment cost, can effectively facilitate users to cut plastic strips, mechanically replaces manual operation, saves manpower and material resources, and is more in line with actual implementation needs.

[0004] The above patent has the following technical problems: when in use, the plastic strip is pushed to slide on the support plate by a hydraulic telescopic rod and cut by a cutting machine. However, during the sliding cutting process, the plastic strip may be subjected to pressure and may be offset and not fixed, thereby affecting the cutting quality and subsequent processing. Summary of the invention

[0005] In view of the above situation, in order to solve the technical problems of the prior art, the utility model provides a cutting device for a plastic granulator.

[0006] The utility model solves the above technical problems through the following technical solutions: a cutting device of a plastic granulator, characterized in that it comprises: a base; a moving mechanism, comprising a slide rail, a screw motor, a screw, a first screw nut, and a second screw nut, the slide rail is fixed at the middle position of the base, a groove is provided in the middle of the slide rail, the screw motor is fixed on one side of the slide rail, the screw motor is connected to the screw, the screw is installed in the groove, the first screw nut and the second screw nut are both threadedly connected to the screw; a clamping mechanism, comprising a first clamping assembly and a second clamping assembly, the first clamping assembly and the second clamping assembly both comprise a sliding block, a bracket, a top plate, and an intermediate plate, the first screw nut and the second screw nut are respectively connected to a corresponding one The sliding block is fixed, the sliding block is slidably connected to the slide rail, the bottom end of the bracket is fixed to the sliding block, the top plate is fixed to the top of the bracket, the middle plate is fixed to the middle of the bracket, and a clamping space is formed between the top plate and the middle plate; the lifting mechanism includes a lifting rod, a connecting plate, a first lifting drive member, and a support plate. The lifting rod passes through a through hole on the base, the middle of the connecting plate is fixed to the bottom end of the lifting rod, and the two first lifting drives are respectively connected to the two ends of the connecting plate. The two first lifting drives are installed at the bottom end of the base, and the support plate is fixed to the top of the connecting plate; the cutting mechanism includes a rotating motor, a rotating shaft, and a cutting knife. The rotating motor is fixed on the supporting plate, the rotating motor is connected to one end of the rotating shaft, and one end of the rotating shaft is fixed to the cutting knife.

[0007] Preferably, a collecting box is placed in the middle of the slide rail, and a filter plate is provided in the collecting box.

[0008] Preferably, a support block for supporting the filter plate is provided in the collecting box, and a handle is provided on each of the two outer sides of the collecting box.

[0009] Preferably, the slide rail is provided with a pair of positioning pieces on the outer sides of the collection box, and the distance between the two positioning pieces in the transverse direction is equal to the length of the collection box.

[0010] Preferably, a vertical clamping mechanism is provided on both the first clamping assembly and the second clamping assembly, and the vertical clamping mechanism includes a second lifting drive member and a clamping block, the second lifting drive member is fixed on the bottom end of the top plate, and the second lifting drive member and the clamping block are connected.

[0011] Preferably, the first lifting drive member is an electric telescopic rod or a gas cylinder, and the second lifting drive member is an electric telescopic rod or a gas cylinder.

[0012] Preferably, each of the four corners of the base is provided with a supporting foot to provide installation space for the lifting mechanism.

[0013] Preferably, a guide sleeve is provided on the base, and the lifting rod passes through the guide sleeve.

[0014] The positive progressive effects of the utility model are: first, the utility model clamps the plastic strip through the moving mechanism and the clamping mechanism to avoid the plastic strip from being offset during cutting; the first lifting drive member in the lifting mechanism drives the lifting rod and the support plate to move downward through the connecting plate, thereby driving the cutting mechanism to reach the plastic strip, and the rotating motor drives the cutting knife through the rotating shaft to cut the plastic strip, thereby realizing automated operation, improving cutting efficiency, and ensuring cutting quality.

[0015] Second, a collection box is placed in the middle of the slide rail. A filter plate is provided in the collection box. The filter plate can filter the cut debris to the bottom of the collection box. The cut plastic products remain on the filter plate, which is convenient for use and prevents the debris from mixing with the plastic products, affecting the quality of the plastic products. A support block is provided in the collection box to support the filter plate. The support block can keep a certain distance between the filter plate and the collection box. A handle is provided on each side of the collection box, which is convenient for carrying the collection box. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of one side of the cutting device of the plastic granulator of the utility model.

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the other side of the cutting device of the plastic granulator of the utility model.

[0018] Figure 3 It is a rear view of the cutting device of the plastic granulator of the utility model.

[0019] Figure 4 It is a schematic diagram of the structure of the collection box, filter plate and other components in the utility model.

[0020] Figure 5 It is a structural schematic diagram of the collection box and other components in the utility model. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0023] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0024] like Figures 1 to 5 As shown, the cutting device of the plastic granulator of the utility model comprises: a base 1; a moving mechanism, comprising a slide rail 2, a screw motor 3, a screw 4, a first screw nut 6, and a second screw nut 7. The slide rail 2 is fixed at the middle position of the base 1, and a groove 5 is provided in the middle of the slide rail 2. The screw motor 3 is fixed on one side of the slide rail 2, and the screw motor 3 is connected to the screw 4. The screw 4 is installed in the groove 5. The first screw nut 6 and the second screw nut 7 are both threadedly connected to the screw 4; a clamping mechanism comprises a first clamping assembly and a second clamping assembly. The first clamping assembly and the second clamping assembly both comprise a sliding block 8, a bracket 9, a top plate 10, and an intermediate plate 11. The first screw nut 6 and the second screw nut 7 are respectively fixed to a corresponding sliding block 8. The sliding block 8 is slidably connected to the slide rail 2, and the bottom end of the bracket 9 is connected to the sliding Block 8 is fixed, the top plate 10 is fixed to the top of the bracket 9, the middle plate 11 is fixed to the middle of the bracket 9, and a clamping space is formed between the top plate 10 and the middle plate 11; the lifting mechanism includes a lifting rod 12, a connecting plate 13, a first lifting drive member 14, and a support plate 15. The lifting rod 12 passes through a through hole on the base 1, the middle of the connecting plate 13 is fixed to the bottom end of the lifting rod 12, and the two first lifting drives 14 are respectively connected to the two ends of the connecting plate 13. The two first lifting drives 14 are both installed at the bottom end of the base 1, and the support plate 15 is fixed to the top of the connecting plate 13; the cutting mechanism includes a rotating motor 16, a rotating shaft 17, and a cutting knife 18. The rotating motor 16 is fixed on the support plate 15, the rotating motor 16 is connected to one end of the rotating shaft 17, and one end of the rotating shaft 17 is fixed to the cutting knife 18.

[0025] In this embodiment, a collection box 19 is placed in the middle of the slide rail 2. A filter plate 20 is provided in the collection box 19. The filter plate 20 can filter the cut debris to the bottom of the collection box 19. The cut plastic products remain on the filter plate 20, which is convenient for use and prevents the debris from mixing with the plastic products to affect the quality of the plastic products. A support block 26 is provided in the collection box 19 to support the filter plate 20. The support block 26 can keep a certain distance between the filter plate 20 and the collection box 19. A handle 27 is provided on both sides of the collection box 19, which facilitates the transportation of the collection box 19. The slide rail 2 is provided with a pair of positioning pieces 21 on the outside of the collection box 19. The distance between the two positioning pieces 21 is equal to the length of the collection box 19. The positioning pieces 21 limit the collection box 19 to prevent the collection box 19 from moving at will. At the same time, the first clamping assembly and the second clamping assembly can also be limited to prevent the first clamping assembly and the second clamping assembly from colliding and being damaged.

[0026] Specifically, a vertical clamping mechanism is provided on both the first clamping assembly and the second clamping assembly, and the vertical clamping mechanism includes a second lifting drive 22 and a clamping block 23. The second lifting drive 22 is fixed to the bottom end of the top plate 10, and the second lifting drive 22 and the clamping block 23 are connected. The second lifting drive 22 drives the clamping block 23 to move downward, so that the plastic strip can be fixed in the vertical direction to prevent the plastic strip from moving at will. The first lifting drive 14 can be an electric telescopic rod or a cylinder, and the second lifting drive 22 can be an electric telescopic rod or a cylinder, which has a simple structure and is easy to use.

[0027] Furthermore, the four corners of the base 1 are respectively provided with a support foot 24 to provide installation space for the lifting mechanism, and the support foot 24 can also increase stability. A guide sleeve 25 is provided on the base 1, and the lifting rod 12 passes through the guide sleeve 25. The guide sleeve 25 can keep the lifting rod 12 vertically lifted and prevent deviation.

[0028] The working principle of the utility model is as follows: each element of the utility model is a universal standard part or a part known to the technicians in this field, and its structure and principle can be known by the technicians in this field through the technical manual or through conventional experimental methods. When in use, the plastic strip is placed between the first clamping assembly and the second clamping assembly, and the screw motor 3 drives the screw 4 to rotate, driving the first screw nut 6 and the second screw nut 7 to move, thereby driving the sliding block 8 to slide along the slide rail 2, and finally driving the bracket 9, the top plate 10, and the middle plate 11 to move, so that the two ends of the plastic strip are clamped in the two clamping spaces formed between the top plate 10 and the middle plate 11, so as to avoid the plastic strip from being offset during cutting; the first lifting drive member 14 in the lifting mechanism drives the lifting rod 12 and the support plate 15 to move downward through the connecting plate 13, thereby driving the cutting mechanism to reach the plastic strip, and the rotating motor 16 drives the cutting knife 18 to cut the plastic strip through the rotating shaft 17, so as to realize automatic operation, improve the cutting efficiency, and ensure the cutting quality.

[0029] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0030] In addition, it should be understood that although the present 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 embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A cutting device for a plastic granulator, characterized in that: It includes: A base (1); a moving mechanism, comprising a slide rail (2), a screw motor (3), a screw (4), a first screw nut (6), and a second screw nut (7); the slide rail (2) is fixed at a middle position of the base (1); a groove (5) is provided in the middle of the slide rail (2); the screw motor (3) is fixed at one side of the slide rail (2); the screw motor (3) is connected to the screw (4); the screw (4) is installed in the groove (5); the first screw nut (6) and the second screw nut (7) are both threadedly connected to the screw (4); a clamping mechanism, comprising a first clamping assembly and a second clamping assembly; the first clamping assembly and the second clamping assembly both comprise a sliding block (8), a bracket (9), a top plate (10), and an intermediate plate (11); the first screw nut (6) and the second screw nut (7) are respectively fixed to a corresponding sliding block (8); the sliding block (8) is slidably connected to the slide rail (2); the bottom end of the bracket (9) is fixed to the sliding block (8); the top plate (10 ) is fixed to the top end of the bracket (9), the middle plate (11) is fixed to the middle of the bracket (9), and a clamping space is formed between the top plate (10) and the middle plate (11); a lifting mechanism comprises a lifting rod (12), a connecting plate (13), a first lifting driving member (14), and a supporting plate (15); the lifting rod (12) passes through a through hole on the base (1); the middle of the connecting plate (13) is fixed to the bottom end of the lifting rod (12); two first lifting driving members (14) are respectively connected to the two ends of the connecting plate (13); the two first lifting driving members (14) are both installed at the bottom end of the base (1); and the supporting plate (15) is fixed to the top end of the connecting plate (13); and a cutting mechanism comprises a rotating motor (16), a rotating shaft (17), and a cutting knife (18); the rotating motor (16) is fixed to the supporting plate (15); the rotating motor (16) is connected to one end of the rotating shaft (17), and one end of the rotating shaft (17) is fixed to the cutting knife (18).

2. The cutting device of the plastic granulator according to claim 1, characterized in that: A collecting box (19) is placed in the middle of the slide rail (2), and a filter plate (20) is provided in the collecting box (19).

3. The cutting device of the plastic granulator according to claim 2, characterized in that: The collecting box (19) is provided with a support block (26) for supporting the filter plate (20), and a handle (27) is provided on each of the two outer sides of the collecting box (19).

4. The cutting device of the plastic granulator according to claim 2, characterized in that: The slide rail (2) is provided with a pair of positioning pieces (21) on the outside of the collection box (19), respectively, and the distance between the two positioning pieces (21) in the transverse direction is equal to the length of the collection box (19).

5. The cutting device of the plastic granulator according to claim 4, characterized in that: A vertical clamping mechanism is provided on the first clamping assembly and the second clamping assembly. The vertical clamping mechanism comprises a second lifting drive member (22) and a clamping block (23). The second lifting drive member (22) is fixed to the bottom end of the top plate (10). The second lifting drive member (22) and the clamping block (23) are connected.

6. The cutting device of the plastic granulator according to claim 5, characterized in that: The first lifting drive component (14) is an electric telescopic rod or a cylinder, and the second lifting drive component (22) is an electric telescopic rod or a cylinder.

7. The cutting device of the plastic granulator according to claim 1, characterized in that: The four corners of the base (1) are respectively provided with a supporting foot (24) for providing installation space for the lifting mechanism.

8. The cutting device of the plastic granulator according to claim 1, characterized in that: The base (1) is provided with a guide sleeve (25), and the lifting rod (12) passes through the guide sleeve (25).

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