Plastic granulator for plastic granulation

Abstract

The utility model discloses a plastic granulator for plastic granulation, and relates to the technical field of plastic processing. A plastic granulator for plastic granulation comprises a supporting base, a limiting device is arranged on the supporting base, the limiting device comprises a second motor, a cutting knife and a mounting block, the output end of the second motor is fixedly connected with a rotating block, a fixing block groove is formed in the upper surface of the rotating block, and a fixing block is slidably connected into the fixing block groove; a cutting knife groove is formed in the outer wall of the end, away from the rotating block, of the mounting block, the cutting knife groove in the limiting device is screwed to rotate so that the other end of the cutting knife groove can be disengaged from the interior of a groove formed in the cutting knife groove, then the cutting knife can be taken down from the mounting block by pulling the cutting knife, and therefore the situation that a worker needs to disassemble the whole cutting assembly is avoided; and the working efficiency of workers is effectively improved, meanwhile, the maintenance and overhaul efficiency of the cutting knife is improved, and the workload of the workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic processing, in particular to a plastic pelletizer for plastic granulation. Background Art

[0002] Plastic pelletizer is mainly used to process waste plastic films (such as industrial packaging films, agricultural films, greenhouse films, beer bags, handbags, etc.), woven bags, agricultural convenience bags, basins, barrels, beverage bottles, furniture and daily necessities and other waste plastic products.

[0003] Among them, according to the type of mold, plastic pelletizers can be divided into manual and electric types. Manual molds require manual screen changing operations, while electric molds use electric motors instead of manual labor, saving time and effort.

[0004] The existing plastic plate is fed from the feed port. The granulator for plastic production is a device for melting and granulating plastic waste or raw materials after heating. It heats, melts, extrudes and then cuts it with a cutting knife to turn the plastic material into granules or particles. However, when the cutting knife needs to be maintained and repaired after long-term use, the staff needs to use special tools to disassemble the entire cutting assembly and then disassemble the cutting knife for maintenance and repair. This operation is complicated and difficult, thereby reducing the maintenance and repair efficiency of the cutting knife. Utility Model Content

[0005] The purpose of the present utility model is to solve at least one of the technical problems existing in the prior art and to provide a plastic pelletizer for plastic granulation, which can solve the problem that when the cutting knife needs to be maintained and repaired after long-term use, the staff needs to use special tools to disassemble the entire cutting assembly and then disassemble the cutting knife to perform maintenance and repair. This operation is complicated and difficult, thereby reducing the maintenance and repair efficiency of the cutting knife.

[0006] To achieve the above-mentioned object, the present utility model provides the following technical solution: a plastic pelletizer for plastic granulation, comprising a support base, on which a limiting device is provided;

[0007] The limiting device includes a second motor, a cutting blade and a mounting block, wherein the output end of the second motor is fixedly connected to a rotating block, a fixed block groove is provided on the upper surface of the rotating block, and the fixed block is slidably connected inside the fixed block groove; a cutting blade groove is provided on the outer wall of one end of the mounting block away from the rotating block, and the outer wall of the guide block at one end of the cutting blade is slidably connected to the inside of the cutting blade groove;

[0008] Among them, a limiting block groove is opened on the upper surface of the mounting block, the lower surface of the fixed block is fixedly connected to the limiting block, the outer wall of the limiting block is slidably connected to the inside of the limiting block groove, the outer wall of the fixed block is threadedly connected to the first fixing bolt, and the outer wall of the guide block at one end of the cutting knife is threadedly connected to the second fixing bolt.

[0009] Preferably, the outer wall of the guide block at one end of the mounting block is slidably connected to the interior of the fixed block groove, the outer wall of the lower end of the fixed block contacts the outer wall of the guide block at one end of the mounting block, and the end of the first fixing bolt close to the rotating block is threadedly extended into the interior of the fixed block groove and is threadedly connected to the inner wall of the fixed block groove;

[0010] Wherein, one end of the second fixing bolt close to the rotating block is threadedly extended into the interior of the cutting groove and is threadedly connected with the interior of the groove opened in the cutting groove.

[0011] Preferably, the support base is L-shaped, an extrusion barrel is installed on the upper surface of the support base, and the lower end base of the second motor is fixedly connected to the outer wall of one end of the extrusion barrel;

[0012] Among them, the outer wall of the upper end of the support base is fixedly connected with a feed box.

[0013] Preferably, the feed box is connected to the outer wall of the end of the extrusion barrel away from the second motor through a connecting box;

[0014] The interior of the extruder is communicated with the interior of the feed box, and the interior of the feed box is rotatably connected to a stirring shaft.

[0015] Preferably, the upper surface of the support base is fixedly connected to a first motor;

[0016] The output end of the first motor is fixedly connected to a transmission wheel, and the outer wall of the rear end of the support base is rotatably connected to the same transmission wheel.

[0017] Preferably, the outer walls of the two transmission wheels are connected with a transmission belt, the end of the stirring shaft close to the support base is rotated to extend to the outside of the lower end of the support base and is fixedly connected to the second bevel gear, and the outer wall of the end of the extruding barrel away from the second motor is rotated and connected to the first bevel gear;

[0018] Among them, the outer wall of the second bevel gear is meshed with the outer wall of the first bevel gear, and the end of the rotating shaft on the first bevel gear close to the transmission wheel rotates and extends to the outside of the support plate at the upper end of the support base and is fixedly connected to one end of the transmission wheel on the support base.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] 1. The plastic pelletizer for plastic granulation can rotate the cutting knife groove in the limit device to disengage the other end from the groove inside the cutting knife groove, and then pull the cutting knife to remove it from the mounting block, thus avoiding the need for workers to disassemble the entire cutting assembly, effectively improving the work efficiency of the workers, and at the same time improving the maintenance and repair efficiency of the cutting knife and reducing the workload of the workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure inside the feed box of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the outer portion of the transmission wheel of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the scraper exterior of the utility model.

[0026] Figure numerals: 1. Support base; 2. First motor; 3. Transmission belt; 4. Feed box; 5. Stirring shaft; 6. Extrusion barrel; 7. Fixed block; 8. First fixing bolt; 9. Cutting knife; 10. Cutting knife groove; 11. Mounting block; 12. Limit block groove; 13. Rotating block; 14. Fixed block groove; 15. Second motor; 16. First bevel gear; 17. Second bevel gear; 18. Transmission wheel; 19. Limit block; 20. Second fixing bolt. DETAILED DESCRIPTION

[0027] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0028] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They 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. Therefore, they cannot be understood as limitations on the present invention.

[0029] In the description of this utility model, terms such as "greater than," "less than," and "exceed" are understood to exclude the number indicated, while terms such as "above," "below," and "within" are understood to include the number indicated. The terms "first" and "second" are used solely to distinguish technical features and are not to be construed as indicating or implying relative importance, or as implicitly specifying the number or order of the technical features indicated.

[0030] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0031] See also Figure 1-4 , the utility model provides a technical solution: a plastic pelletizer for plastic granulation, comprising a support base 1;

[0032] A limiting device is provided on the supporting base 1;

[0033] The limiting device includes a second motor 15, a cutting knife 9 and a mounting block 11. The output end of the second motor 15 is fixedly connected to a rotating block 13. A fixed block groove 14 is provided on the upper surface of the rotating block 13. The outer wall of the guide block at one end of the mounting block 11 is slidably connected to the inner portion of the fixed block groove 14. The inner portion of the fixed block groove 14 is slidably connected to the fixed block 7. The outer wall of the lower end of the fixed block 7 contacts the outer wall of the guide block at one end of the mounting block 11. A cutting knife groove 10 is provided on the outer wall of the end of the mounting block 11 away from the rotating block 13. The outer wall of the guide block at one end of the cutting knife 9 is slidably connected to the inner portion of the cutting knife groove 10. The upper surface of the mounting block 11 A limiting block groove 12 is opened, and the lower surface of the fixed block 7 is fixedly connected to the limiting block 19. The outer wall of the limiting block 19 is slidably connected to the inside of the limiting block groove 12. The outer wall of the fixed block 7 is threadedly connected with a first fixing bolt 8. The end of the first fixing bolt 8 close to the rotating block 13 is threadedly extended to the inside of the fixed block groove 14 and is threadedly connected to the inside of the groove opened in the inner wall of the fixed block groove 14. The outer wall of the guide block at one end of the cutting knife 9 is threadedly connected with a second fixing bolt 20. The end of the second fixing bolt 20 close to the rotating block 13 is threadedly extended to the inside of the cutting knife groove 10 and is threadedly connected to the inside of the groove opened in the cutting knife groove 10.

[0034] Among them, the support base 1 is "L"-shaped, and an extrusion barrel 6 is installed on the upper surface of the support base 1. The lower end base of the second motor 15 is fixedly connected to the outer wall of one end of the extrusion barrel 6. The outer wall of the upper end of the support base 1 is fixedly connected to the feed box 4, and the feed box 4 is connected to the outer wall of the end of the extrusion barrel 6 away from the second motor 15 through the connecting box. The interior of the extrusion barrel 6 is communicated with the interior of the feed box 4, and the interior of the feed box 4 is rotatably connected to the stirring shaft 5. The upper surface of the support base 1 is fixedly connected to the first motor 2, and the output end of the first motor 2 is fixedly connected to the transmission wheel 18. After the support base 1 The outer wall of the end is rotatably connected to the same transmission wheel 18, and the outer wall transmission sleeves of the two transmission wheels 18 are connected with the transmission belt 3. The end of the stirring shaft 5 close to the support base 1 rotates and extends to the outside of the lower end of the support base 1 and is fixedly connected to the second bevel gear 17. The outer wall of the end of the extrusion barrel 6 away from the second motor 15 is rotatably connected to the first bevel gear 16, and the outer wall of the second bevel gear 17 is meshed with the outer wall of the first bevel gear 16. The end of the rotating shaft on the first bevel gear 16 close to the transmission wheel 18 rotates and extends to the outside of the support plate at the upper end of the support base 1 and is fixedly connected to one end of the transmission wheel 18 on the support base 1.

[0035] Furthermore, when using the device, it is started by connecting an external power supply, firstly, the material is put into the feed box 4, then the output end of the first motor 2 rotates through the transmission wheel 18 and the transmission belt 3 to drive the first bevel gear 16 to rotate, and then the first bevel gear 16 rotates to drive the second bevel gear 17 to rotate while driving the stirring shaft 5 to rotate to fully stir and mix the material inside the feed box 4, and then the material enters the interior of the extrusion barrel 6 through the inclined plate inside the feed box 4, and then the material is heated and melted after being extruded through the extrusion barrel 6, and at the same time, the output end of the second motor 15 rotates to drive the rotating block 13 While rotating, it drives the cutting knife 9 to cut the extruded material, and then the cut material particles will fall directly into the collection box on the support base 1. Then, when the cutting knife 9 needs to be removed, the cutting knife groove 10 is turned and rotated so that the other end is out of contact with the groove opened inside the cutting knife groove 10, and then the cutting knife 9 can be removed from the mounting block 11 by pulling it. Then, when the mounting block 11 needs to be removed, the first fixing bolt 8 is turned and rotated so that the other end is out of contact with the groove opened inside the fixing block groove 14, and then the fixing block 7 is removed and the mounting block 11 can be removed from the rotating block 13.

[0036] By twisting the cutting knife groove 10 in the limiting device, the other end is disengaged from the groove opened inside the cutting knife groove 10, and then the cutting knife 9 can be removed from the mounting block 11 by pulling it. This avoids the need for the staff to disassemble the entire cutting assembly, effectively improving the work efficiency of the staff, and at the same time improving the maintenance and repair efficiency of the cutting knife 9 and reducing the workload of the staff. The output end of the first motor 2 is rotated through the transmission wheel 18 and the transmission belt 3 to drive the first bevel gear 16 to rotate, and then the first bevel gear 16 rotates to drive the second bevel gear 17 to rotate while driving the stirring shaft 5 to rotate to fully stir and mix the material inside the feed box 4. This line is pre-treated with the material in advance, effectively improving the quality of material production, and at the same time improving the practicality and effectiveness of the equipment.

[0037] Working principle: First, the material is put into the feed box 4, and then the output end of the first motor 2 rotates through the transmission wheel 18 and the transmission belt 3 to drive the first bevel gear 16 to rotate, and then the rotation of the first bevel gear 16 drives the second bevel gear 17 to rotate while driving the stirring shaft 5 to rotate to fully stir and mix the material inside the feed box 4, and then the material enters the extrusion barrel 6 through the inclined plate inside the feed box 4, and then the material is heated and melted after being extruded through the extrusion barrel 6, and at the same time, the output end of the second motor 15 rotates to drive the rotating block 13 to rotate while driving the cutting The knife 9 cuts the extruded material, and then the cut material particles will fall directly into the collection box on the support base 1. Then, when the cutting knife 9 needs to be removed, the cutting knife groove 10 is turned and rotated so that the other end is out of contact with the groove opened inside the cutting knife groove 10. Then, the cutting knife 9 can be removed from the mounting block 11 by pulling it. Then, when the mounting block 11 needs to be removed, the first fixing bolt 8 is turned and rotated so that the other end is out of contact with the groove opened inside the fixing block groove 14. Then, after removing the fixing block 7, the mounting block 11 can be removed from the rotating block 13 by pulling it.

[0038] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A plastic pelletizer for plastic granulation, comprising a support base (1), characterized in that: A limiting device is provided on the support base (1); The limiting device comprises a second motor (15), a cutting blade (9) and a mounting block (11); the output end of the second motor (15) is fixedly connected to a rotating block (13); a fixed block groove (14) is provided on the upper surface of the rotating block (13); a fixed block (7) is slidably connected inside the fixed block groove (14); a cutting blade groove (10) is provided on the outer wall of one end of the mounting block (11) away from the rotating block (13); and the outer wall of a guide block at one end of the cutting blade (9) is slidably connected to the inside of the cutting blade groove (10); The upper surface of the mounting block (11) is provided with a limit block groove (12), the lower surface of the fixing block (7) is fixedly connected to the limit block (19), the outer wall of the limit block (19) is slidably connected to the inside of the limit block groove (12), the outer wall of the fixing block (7) is threadedly connected to a first fixing bolt (8), and the outer wall of the guide block at one end of the cutting knife (9) is threadedly connected to a second fixing bolt (20).

2. A plastic pelletizer for plastic granulation according to claim 1, characterized in that: The outer wall of the guide block at one end of the mounting block (11) is slidably connected to the interior of the fixed block groove (14), the outer wall of the lower end of the fixed block (7) contacts the outer wall of the guide block at one end of the mounting block (11), and the end of the first fixing bolt (8) close to the rotating block (13) is threadedly extended into the interior of the fixed block groove (14) and is threadedly connected to the inner wall of the fixed block groove (14); The second fixing bolt (20) has one end near the rotating block (13) that is threadedly extended into the interior of the cutting blade groove (10) and is threadedly connected to the interior of the groove provided in the cutting blade groove (10).

3. The plastic pelletizer for plastic granulation according to claim 1, characterized in that: The support base (1) is L-shaped, an extrusion barrel (6) is mounted on the upper surface of the support base (1), and the lower end base of the second motor (15) is fixedly connected to the outer wall of one end of the extrusion barrel (6); Wherein, a feed box (4) is fixedly connected to the outer wall of the upper end of the support base (1).

4. A plastic pelletizer for plastic granulation according to claim 3, characterized in that: The feed box (4) is connected to the outer wall of one end of the extrusion cylinder (6) away from the second motor (15) through a connecting box; The interior of the extrusion cylinder (6) is communicated with the interior of the feed box (4), and the interior of the feed box (4) is rotatably connected to a stirring shaft (5).

5. The plastic pelletizer for plastic granulation according to claim 1, characterized in that: A first motor (2) is fixedly connected to the upper surface of the support base (1); The output end of the first motor (2) is fixedly connected to a transmission wheel (18), and the rear end outer wall of the support base (1) is rotatably connected to the same transmission wheel (18).

6. A plastic pelletizer for plastic granulation according to claim 5, characterized in that: The outer walls of the two transmission wheels (18) are connected to a transmission belt (3); the end of the stirring shaft (5) close to the support base (1) is rotated to extend to the outside of the lower end of the support base (1) and is fixedly connected to the second bevel gear (17); the outer wall of the end of the extruding barrel (6) away from the second motor (15) is rotated to connect to the first bevel gear (16); The outer wall of the second bevel gear (17) is meshed with the outer wall of the first bevel gear (16); one end of the rotating shaft on the first bevel gear (16) close to the transmission wheel (18) is rotated and extended to the outside of the support plate at the upper end of the support base (1) and is fixedly connected to one end of the transmission wheel (18) on the support base (1).

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