Plastic particle raw material crushing device
By introducing the initial crushing assembly of the lifting plate and the cutting knife into the plastic crushing device, combined with the structure of the crushing knife, the time-consuming and winding problems of plastic products in the prior art are solved, and more efficient slitting and crushing of plastic products are achieved.
Patent Information
- Application Number
- CN202421107886.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-21
AI Technical Summary
Existing plastic crushing devices take a long time to process most of the entire plastic products, and are prone to the problem of plastic products being wrapped around the tool and needing frequent cleaning.
A plastic particle raw material crushing device was designed, adopting a combined structure of a primary crushing assembly and a crushing knife. The primary crushing assembly includes a lifting plate and multiple cutting blades. When the lifting plate rises, the plastic products are cut into small sizes and then along the inclined surface. Slide down to the crushing knife space for further crushing, improving crushing efficiency, and limiting movement of plastic products through guide plates to ensure full slicing and crushing.
It significantly improves the crushing efficiency of plastic products, reduces the use time of the device, and avoids the problem of plastic products being wrapped around the tool, achieving a more efficient crushing process.
Smart Images
Figure CN222290737U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic product crushing, in particular to a plastic particle raw material crushing device. Background Art
[0002] In the process of plastic pellet production, waste plastic products (such as plastic bags, mineral water bottles, cola bottles, juice bottles, screen protectors, etc.) are usually put into a crushing device to break them into small pieces. Then, the small pieces of raw materials are put into a melting device to make a melt. The melt is processed by an extruder to form plastic strips. The cooled plastic strips are cut into pellets by a pelletizer.
[0003] At present, there are many devices for crushing waste plastic products, such as a plastic crusher disclosed in a Chinese patent with patent announcement number CN219788957U, which includes a hopper, a crushing bin, a frame, a crushing knife, a knife disc, and a sieve plate. The hopper is installed on the top of the crushing bin, and the crushing bin is fixed on the frame; the crushing bin is loaded with a crushing knife, and the crushing knife includes a first blade and a second blade. The first blade is fixed on both sides of the inner cavity of the crushing bin, and at least three claws are arranged on the knife disc, and the claws are used to fix the second blade. The knife disc is installed on the driving shaft, and the driving shaft is connected to the driving assembly; the sieve plate is installed at the bottom of the crushing bin.
[0004] Although the device provided by the above patent or other similar devices can be used to crush waste plastics, if a large number of whole plastic products mixed together are directly put into the crushing device, it will take a long time to complete the crushing. Some plastic products may even be entangled on the crushing tool shaft, and personnel need to frequently disassemble the device to clean them. Utility Model Content
[0005] The utility model aims to provide a plastic granule raw material crushing device, aiming to improve the problem that a plastic slitting device directly crushes most whole plastic products, which takes a long time and even entangles the cutter.
[0006] The utility model is implemented as follows: a plastic particle raw material crushing device comprises a shell, on which a primary crushing component and a crushing knife are arranged, the primary crushing component is arranged above the crushing knife and below the feed port of the shell; the primary crushing component comprises a lifting plate and a plurality of cutting knives, the plurality of cutting knives are divided into two groups and distributed above the lifting plate, and a through hole is arranged on the lifting plate, and the cutting knives can extend into the through hole.
[0007] Preferably, the lifting plate is configured as a triangular structure, and the perforations are distributed on two inclined surfaces of the lifting plate and are arranged along the length direction of the lifting plate.
[0008] Preferably, a filling plate is symmetrically arranged above the lifting plate, a snap groove is arranged on the lower side of the filling plate, the end of the snap groove is arranged as an opening, and a snap plate is arranged on the top of the cutter, and the snap plate is located in the snap groove.
[0009] Preferably, the shell includes a bottom shell, a top shell and an output tube, the top shell is narrower in the middle, and the lower end is connected and arranged on the bottom shell, an output hole is arranged at the bottom of the bottom shell, and the output tube is installed at the output hole.
[0010] Preferably, a mounting hole is provided below the middle portion of the top shell, the filling plate is provided at the mounting hole, and the end of the snap plate contacts the side wall of the mounting hole.
[0011] Preferably, a horizontal plate is provided at the bottom of the lifting plate, a limiting rod is provided on the lower side of the horizontal plate, and a fixed plate is provided below, a limiting hole is provided on the fixed plate, and an electric cylinder is provided through it, the fixed plate is installed in the top shell, the lower end of the limiting rod is provided through the limiting hole, and the telescopic end of the electric cylinder is connected to the horizontal plate.
[0012] Preferably, a guide plate is provided between the primary crushing assembly and the crushing knife, the guide plate includes a top plate and a bottom plate, both of which are arranged as arc structures, a drop hole is arranged at the junction of the top plate and the bottom plate, and an outer row hole is arranged at the lower end of the bottom plate.
[0013] Preferably, the guide plate is fixedly arranged in the shell, the primary crushing assembly is located above the top plate, and the crushing knife is located in the bottom plate; the outer row hole is connected to the output pipe, and the output pipe is arranged obliquely.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] The utility model is provided with a lifting plate and a cutting knife. When the lifting plate rises, the lifting plate cooperates with the cutting knife to cut the plastic products into small sizes. The small-sized plastic products slide down along the inclined surface of the lifting plate into the crushing knife space. The plastic products are crushed by the crushing knife, which changes the current situation in which the existing crushing device directly crushes the whole plastic product, and relatively improves the crushing efficiency.
[0016] The utility model is provided with a guide plate, which can limit the movement of the plastic products and provide convenience for the primary crushing component and the crushing knife to fully cut and crush the plastic products. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model;
[0018] Figure 2 It is a three-dimensional structural schematic diagram of the housing of the utility model;
[0019] Figure 3 It is a three-dimensional structural schematic diagram of the primary crushing assembly, the guide plate and the crushing knife of the utility model;
[0020] Figure 4 It is a three-dimensional structural schematic diagram of the guide plate of the utility model;
[0021] Figure 5 It is a three-dimensional structural schematic diagram of the primary crushing assembly of the utility model;
[0022] Figure 6 This is a three-dimensional structural diagram of the utility model lifting plate
[0023] Figure 7 It is a three-dimensional structural schematic diagram of the cutter and the filling plate of the utility model.
[0024] In the figure: 1. Shell; 11. Bottom shell; 12. Top shell; 13. Output hole; 14. Output pipe; 15. Mounting hole; 2. Primary crushing assembly; 21. Lifting plate; 22. Cutter; 23. Perforation; 24. Horizontal plate; 25. Limiting rod; 26. Fixing plate; 27. Electric cylinder; 28. Snap plate; 29. Filling plate; 291. Snap groove; 3. Guide plate; 31. Top plate; 32. Bottom plate; 33. Drop hole; 34. External discharge hole; 4. Crushing knife. DETAILED DESCRIPTION
[0025] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0026] The following is a further description with reference to the accompanying drawings and specific embodiments: Example
[0027] like Figure 1 , Figure 2 , Figure 3As shown, a plastic particle raw material crushing device includes a shell 1, a crushing knife 4 and a primary crushing component 2. The shell 1 includes a bottom shell 11, a top shell 12 and an output pipe 14. The middle part of the top shell 12 is narrower, and the lower end is connected and arranged on the bottom shell 11. An output hole 13 is arranged at the bottom of the bottom shell 11. The output pipe 14 is obliquely installed at the output hole 13. The primary crushing component 2 and the crushing knife 4 are both arranged on the inner side of the shell 1. The primary crushing component 2 is arranged above the crushing knife 4 and is located below the feed port of the shell 1. The crushing knife 4 is connected to the motor. The structure of the crushing knife 4 can be the same as the crushing tool in the patent announcement number CN219788957U, and can also be the same as other prior arts. When the device is used to crush waste plastic products, the waste plastic products are put in from the top of the shell 1, and are first processed by the primary crushing component 2 to be cut into smaller sizes. The smaller-sized plastic products fall into the space where the crushing knife 4 is located. Driven by the motor, the crushing knife 4 rotates at a high speed to crush the plastic products into smaller sizes. The crushed plastic products are discharged from the output hole 13 and then flow into the next production process.
[0028] like Figure 2 , Figure 5 , Figure 6 , Figure 7As shown, in order to realize the preliminary cutting process of the plastic products, the primary crushing component 2 includes a lifting plate 21 and a plurality of cutters 22. The lifting plate 21 is set as a triangular structure. A perforation 23 is set on the lifting plate 21. The perforation 23 is distributed on the two inclined surfaces of the lifting plate 21 and is arranged along the length direction of the lifting plate 21. The plurality of cutters 22 are evenly divided into two groups and are distributed above the lifting plate 21. A transverse plate 24 is set at the bottom of the lifting plate 21. A limiting rod 25 is set on the lower side of the transverse plate 24, and a fixed plate 26 is set below. A limiting hole is set on the fixed plate 26, and an electric cylinder 27 is set through it. The fixed plate 26 is installed in the top shell 12. The lower end of the limiting rod 25 is set through the limiting hole, and the telescopic end of the electric cylinder 27 is connected to the transverse plate 24. The cutter 22 can be inserted into the through hole 23. A filling plate 29 is symmetrically arranged above the lifting plate 21. A snap groove 291 is arranged on the lower side of the filling plate 29. The end of the snap groove 291 is arranged to be open. A snap plate 28 is arranged on the top of the cutter 22. The snap plate 28 is located in the snap groove 291. A mounting hole 15 is arranged below the middle of the top shell 12. The filling plate 29 is arranged at the mounting hole 15. The end of the snap plate 28 contacts the side wall of the mounting hole 15. Since the filling plate 29 is stably installed at the mounting hole 15, the cutter 22 is stably placed relative to the housing 1. Since the fixing plate 26 is stably installed relative to the housing 1, the lifting plate 21 is regularly lifted and lowered under the action of the electric cylinder 27. When the lifting plate 21 rises, the plastic products are placed close to the cutter 22 and cut into small sizes under the action of the cutter 22. When the lifting plate 21 falls, the cut plastic products slide down along its inclined surface into the space of the crushing knife 4, and the newly added plastic products fall on the lifting plate 21. Repeat the above steps to achieve the powder cutting of the plastic products. The buckle plate 28 and the buckle groove 291 are provided to realize the detachable connection between the cutter 22 and the filling plate 29, which provides convenience for disassembling and replacing the cutter 22 according to needs. Example
[0029] like Figure 1 , Figure 2 , Figure 3As shown, a plastic particle raw material crushing device includes a shell 1, a crushing knife 4 and a primary crushing component 2. The shell 1 includes a bottom shell 11, a top shell 12 and an output pipe 14. The middle part of the top shell 12 is narrower, and the lower end is connected and arranged on the bottom shell 11. An output hole 13 is arranged at the bottom of the bottom shell 11. The output pipe 14 is obliquely installed at the output hole 13. The primary crushing component 2 and the crushing knife 4 are both arranged on the inner side of the shell 1. The primary crushing component 2 is arranged above the crushing knife 4 and is located below the feed port of the shell 1. The crushing knife 4 is connected to the motor. The structure of the crushing knife 4 can be the same as the crushing tool in the patent announcement number CN219788957U, and can also be the same as other prior arts. When the device is used to crush waste plastic products, the waste plastic products are put in from the top of the shell 1, and are first processed by the primary crushing component 2 to be cut into smaller sizes. The smaller-sized plastic products fall into the space where the crushing knife 4 is located. Driven by the motor, the crushing knife 4 rotates at a high speed to crush the plastic products into smaller sizes. The crushed plastic products are discharged from the output hole 13 and then flow into the next production process.
[0030] like Figure 2 , Figure 5 , Figure 6 , Figure 7As shown, in order to realize the preliminary cutting process of the plastic products, the primary crushing component 2 includes a lifting plate 21 and a plurality of cutters 22. The lifting plate 21 is set as a triangular structure. A perforation 23 is set on the lifting plate 21. The perforation 23 is distributed on the two inclined surfaces of the lifting plate 21 and is arranged along the length direction of the lifting plate 21. The plurality of cutters 22 are evenly divided into two groups and are distributed above the lifting plate 21. A transverse plate 24 is set at the bottom of the lifting plate 21. A limiting rod 25 is set on the lower side of the transverse plate 24, and a fixed plate 26 is set below. A limiting hole is set on the fixed plate 26, and an electric cylinder 27 is set through it. The fixed plate 26 is installed in the top shell 12. The lower end of the limiting rod 25 is set through the limiting hole, and the telescopic end of the electric cylinder 27 is connected to the transverse plate 24. The cutter 22 can be inserted into the through hole 23. A filling plate 29 is symmetrically arranged above the lifting plate 21. A snap groove 291 is arranged on the lower side of the filling plate 29. The end of the snap groove 291 is arranged to be open. A snap plate 28 is arranged on the top of the cutter 22. The snap plate 28 is located in the snap groove 291. A mounting hole 15 is arranged below the middle of the top shell 12. The filling plate 29 is arranged at the mounting hole 15. The end of the snap plate 28 contacts the side wall of the mounting hole 15. Since the filling plate 29 is stably installed at the mounting hole 15, the cutter 22 is stably placed relative to the housing 1. Since the fixing plate 26 is stably installed relative to the housing 1, the lifting plate 21 is regularly lifted and lowered under the action of the electric cylinder 27. When the lifting plate 21 rises, the plastic products are placed close to the cutter 22 and cut into small sizes under the action of the cutter 22. When the lifting plate 21 falls, the cut plastic products slide down along its inclined surface into the space of the crushing knife 4, and the newly added plastic products fall on the lifting plate 21. Repeat the above steps to achieve the powder cutting of the plastic products. The buckle plate 28 and the buckle groove 291 are provided to realize the detachable connection between the cutter 22 and the filling plate 29, which provides convenience for disassembling and replacing the cutter 22 according to needs.
[0031] like Figure 3 , Figure 4 As shown, in order to fully cut and crush the plastic products, a guide plate 3 is arranged between the primary crushing component 2 and the crushing knife 4. The guide plate 3 is fixedly arranged in the housing 1. The guide plate 3 includes a top plate 31 and a bottom plate 32. The top plate 31 and the bottom plate 32 are both arranged in an arc structure. A drop hole 33 is arranged at the intersection of the top plate 31 and the bottom plate 32. An outer row hole 34 is arranged at the lower end of the bottom plate 32. The primary crushing component 2 is located above the top plate 31, and the crushing knife 4 is located in the bottom plate 32. The outer row hole 34 is connected to the output pipe 14, and the output pipe 14 is arranged obliquely. Under the action of the guide plate 3, the cut plastic products are guided to pass through the drop hole 33 and fall into the space of the crushing knife 4. After falling from the drop hole 33, the plastic products directly fall on the top of the crushing knife 4. Under the action of the bottom plate 32, the movement of the plastic products is restricted, so that the plastic products can be fully cut and crushed.
[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A plastic granule raw material crushing device, characterized in that: The invention comprises a shell (1), on which a primary crushing assembly (2) and a crushing knife (4) are arranged, wherein the primary crushing assembly (2) is arranged above the crushing knife (4) and below a feed opening of the shell (1); the primary crushing assembly (2) comprises a lifting plate (21) and a plurality of cutting knives (22), wherein the plurality of cutting knives (22) are divided into two groups and are distributed above the lifting plate (21), and a through hole (23) is arranged on the lifting plate (21), and the cutting knives (22) can extend into the through hole (23).
2. A plastic granule raw material crushing device according to claim 1, characterized in that: The lifting plate (21) is configured as a triangular structure, and the through holes (23) are distributed on two inclined surfaces of the lifting plate (21) and are arranged along the length direction of the lifting plate (21).
3. A plastic granule raw material crushing device according to claim 2, characterized in that: A filling plate (29) is symmetrically arranged above the lifting plate (21), a snap groove (291) is arranged on the lower side of the filling plate (29), the end of the snap groove (291) is arranged to be open, and a snap plate (28) is arranged on the top of the cutter (22), and the snap plate (28) is located in the snap groove (291).
4. A plastic granule raw material crushing device according to claim 3, characterized in that: The housing (1) comprises a bottom shell (11), a top shell (12) and an output pipe (14); the top shell (12) is narrower in the middle and its lower end is arranged on the bottom shell (11); an output hole (13) is arranged at the bottom of the bottom shell (11); and the output pipe (14) is installed at the output hole (13).
5. A plastic granule raw material crushing device according to claim 4, characterized in that: A mounting hole (15) is provided below the middle of the top shell (12), the filling plate (29) is provided at the mounting hole (15), and the end of the snap plate (28) contacts the side wall of the mounting hole (15).
6. A plastic granule raw material crushing device according to claim 5, characterized in that: A transverse plate (24) is provided at the bottom of the lifting plate (21), a limiting rod (25) is provided on the lower side of the transverse plate (24), and a fixing plate (26) is provided below, a limiting hole is provided on the fixing plate (26), and an electric cylinder (27) is provided through the fixing plate (26), the fixing plate (26) is installed in the top shell (12), the lower end of the limiting rod (25) is provided through the limiting hole, and the telescopic end of the electric cylinder (27) is connected to the transverse plate (24).
7. The plastic granule raw material crushing device according to claim 1, characterized in that: A guide plate (3) is arranged between the primary crushing assembly (2) and the crushing knife (4), and the guide plate (3) comprises a top plate (31) and a bottom plate (32). Both the top plate (31) and the bottom plate (32) are arranged in an arc-shaped structure, a drop hole (33) is arranged at the intersection of the top plate (31) and the bottom plate (32), and an outer discharge hole (34) is arranged at the lower end of the bottom plate (32).
8. A plastic granule raw material crushing device according to claim 7, characterized in that: The guide plate (3) is fixedly arranged in the housing (1), the primary crushing assembly (2) is located above the top plate (31), and the crushing knife (4) is located in the bottom plate (32); the outer row hole (34) is connected to the output pipe (14), and the output pipe (14) is arranged obliquely.