Plastic crushing device

Abstract

The invention provides a plastic crushing device. The plastic crushing device comprises a rack, the crushing cavity comprises an upper cavity and a lower cavity which are arranged on the rack; the crushing mechanism comprises a first crushing assembly and a second crushing assembly which are arranged in the crushing cavity in parallel; a feeding opening is formed in the position, located between the first crushing assembly and the second crushing assembly, of the upper cavity, and the feeding opening corresponds to the feeding mechanism; and the sieve plate mechanism is detachably arranged in the lower cavity corresponding to the first crushing assembly and the second crushing assembly. The plastic crushing device is high in crushing efficiency, the sieve plate mechanism is detachable, and the sieve plate mechanism is convenient to clean and replace when being blocked.

Description

Technical Field

[0001] The present invention relates to the technical field of plastic processing, and particularly relates to a plastic crushing device. Background Art

[0002] Plastic products are made of plastics, which are high molecular compounds polymerized through addition polymerization or condensation polymerization, commonly known as plastics or resins. The components and shapes can be freely changed. It consists of synthetic resin and additives such as fillers, plasticizers, stabilizers, lubricants, and colorants. Plastic products: mainly made of plastics, using processing technologies such as injection molding, extrusion molding, and blow molding to make various plastic products or components. Plastics: mainly composed of resin (or directly polymerized monomers during processing), with additives such as plasticizers, fillers, lubricants, and colorants as auxiliary components.

[0003] Currently, in order to save resources and recycle plastic products, the recycled plastic products are generally pulverized after being cleaned and dried for subsequent processing and manufacturing. In the currently existing plastic product pulverizers, the sieve plate is fixed, which is prone to blockage and inconvenient to clean. Summary of the Invention

[0004] The purpose of the present invention is to improve and innovate in view of the disadvantages and problems in the background art, and provide a plastic crushing device.

[0005] The present invention provides a plastic crushing device, including:

[0006] A frame for providing a fixed installation position;

[0007] A crushing cavity, including an upper cavity and a lower cavity arranged on the frame;

[0008] A crushing mechanism, including a first crushing component and a second crushing component arranged in parallel in the crushing cavity;

[0009] A feeding mechanism, an inlet is arranged in the middle of the first crushing component and the second crushing component in the upper cavity, and the inlet corresponds to the feeding mechanism;

[0010] A sieve plate mechanism, detachably clamped corresponding to the first crushing component and the second crushing component in the lower cavity.

[0011] Preferably, the lower cavity includes left and right side plates and front and rear vertical plates that are welded to each other in pairs, a connecting plate fixedly arranged on the left and right side plates and the front and rear side plates, mounting holes arranged on the front and rear side plates for mounting the first crushing assembly and the second crushing assembly, two arc-shaped positioning bars fixedly arranged on the inner walls of the front and rear side plates with the mounting holes as the centers, an intermediate limiting member arranged between the two arc-shaped positioning bars, left and right sieve plate fixing members that are inclined downward from the inner walls of the left and right side plates, and limiting pins arranged corresponding to the upper ends of one ends of the left and right sieve plates close to the intermediate limiting member.

[0012] Preferably, a disassembly and assembly opening is arranged on the lower cavity corresponding to the sieve plate mechanism.

[0013] Preferably, the intermediate limiting member includes a reinforcing member arranged between the two arc-shaped positioning bars and a herringbone-shaped positioning member that extends obliquely downward from the top end of the reinforcing member to both sides.

[0014] Preferably, a limiting groove is arranged at the bottom of the herringbone-shaped positioning member, a limiting protrusion adapted to the limiting groove is arranged at the top of the reinforcing member, and the herringbone-shaped positioning member can move along the length direction of the reinforcing member.

[0015] Preferably, the two sides of the top of the upper cavity are arc-shaped.

[0016] Preferably, the crushing mechanism includes a crushing main shaft, hammering rotating discs arranged at intervals on the crushing main shaft, through holes correspondingly arranged on the hammering rotating discs, and hammers connected by hammer shafts arranged in the through holes. Steps are arranged at both ends of the hammers for the smooth rotation of the hammers in the crushing cavity.

[0017] Preferably, a pressing sieve plate assembly is detachably arranged on the left and right sieve plate fixing members.

[0018] Preferably, the lower ends of the left and right sieve plate fixing members extend downward to form baffles for guiding the crushed materials.

[0019] Preferably, the feeding mechanism includes a feeding hopper with an open top. One end of the feeding hopper is hinged to the upper cavity, and a first locking connecting plate is arranged at the other end. A clamping groove is arranged at the upper end of the first locking connecting plate. A second locking connecting plate is arranged on one side of the upper cavity where the first locking connecting plate is located. A T-shaped screw rod is arranged on the second locking connecting plate. A handle is arranged at one end of the T-shaped screw rod, and the end of the T-shaped screw rod can be clamped into the clamping groove by rotating the handle.

[0020] Advantages and beneficial effects of the present invention:

[0021] The present invention provides a plastic crushing device, which includes a frame, a crushing cavity, a crushing mechanism, a feeding mechanism and a sieve plate mechanism; it has high crushing efficiency, and the sieve plate mechanism is detachable, which is convenient for cleaning and replacing the sieve plate mechanism when it is blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic three-dimensional structure diagram of an embodiment of the present invention;

[0023] Figure 2 is a schematic structure diagram of the lower cavity;

[0024] Figure 3 is an enlarged schematic structure diagram of part A of the present invention;

[0025] Figure 4 is an enlarged schematic structure diagram of another embodiment of part A of the present invention;

[0026] Figure 5 is a schematic structure diagram of the crushing mechanism of the present invention;

[0027] Figure 6 is an enlarged schematic structure diagram of part B of the present invention;

[0028] Wherein, 1, frame; 2, crushing cavity; 21, upper cavity; 22, lower cavity; 221, left and right side plates; 222, front and rear side plates; 224, mounting holes; 225, arc-shaped positioning strips; 226, intermediate limit member; 2261, reinforcing member; 2262, herringbone positioning member; 2263, limit groove; 2264, limit protrusion; 227, left and right sieve plate fixing members; 228, crushing mechanism; 229, limit pin; 31, first crushing assembly; 32, second crushing assembly; 33, crushing main shaft; 34, hammering rotating disc; 35, hammer head; 36, step; 37, hammer head shaft; 4, feeding mechanism; 41, feeding port; 42, feeding hopper; 43, first locking connecting plate; 44, clamping groove; 45, second locking connecting plate; 46, T-shaped screw 5, sieve plate mechanism; 6, material receiving box; 7, sieve plate pressing assembly. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] For the convenience of understanding the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Preferred embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

[0030] It should be noted that when an element is considered to be "disposed" on another element, it can be directly disposed or connected to the other element or there may be an intermediate element present at the same time. The terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. This is 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 orientation, be constructed and operated in a specific orientation.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the present invention. The terms used in the specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0032] Reference Figures 1-6 ; The present invention provides a plastic crushing device, which includes: a frame 1, a crushing cavity 2, a crushing mechanism 228, a feeding mechanism 4, and a sieve plate mechanism 5; the frame 1 is used to provide a fixed installation position; the crushing cavity 2 includes an upper cavity 21 and a lower cavity 22 provided on the frame 1; the crushing mechanism 228 includes a first crushing component 31 and a second crushing component 32 which are arranged in parallel in the crushing cavity 2; the rotation directions of the first crushing component 31 and the second crushing component 32 are arranged oppositely, with higher crushing efficiency and effectively preventing blockage; the feeding mechanism 4 is used for feeding materials, and a feeding port 41 is arranged at the middle position of the upper cavity 21 between the first crushing component 31 and the second crushing component 32, and the feeding port 41 corresponds to the feeding mechanism 4; the sieve plate mechanism 5 is detachably arranged in the lower cavity 22 corresponding to the first crushing component 31 and the second crushing component 32, which is convenient for cleaning the adhesion and blockage of materials on the sieve plate mechanism 5.

[0033] In one embodiment, the lower cavity 22 includes left and right side plates 221 and front and rear vertical plates that are welded to each other in pairs, connecting plates fixedly arranged on the left and right side plates 221 and the front and rear side plates 222, mounting holes 224 arranged on the front and rear side plates 222 for mounting the first crushing assembly 31 and the second crushing assembly 32, two arc-shaped positioning strips 225 fixed to the inner walls of the front and rear side plates 222 with the mounting holes 224 as the centers, an intermediate limiting member 226 arranged between the two arc-shaped positioning strips 225, left and right sieve plate fixing members 227 obliquely arranged downward from the inner walls of the left and right side plates 221, and limiting pins 229 arranged above one end of the corresponding left and right sieve plates close to the intermediate limiting member 226. The lower cavity 22 is formed by welding the left and right side plates 221 and the front and rear vertical plates, and the surface where the lower cavity 22 and the upper cavity 21 are combined is processed after welding the connecting plates, saving costs. Most of the prior arts adopt castings, and the overall processing cost of castings is high.

[0034] A reinforcing bushing is welded at the mounting hole 224 to meet the strength during the operation of the crushing mechanism 228 and is durable.

[0035] The arc-shaped positioning strips 225 are used for the fixed positioning of both ends of the sieve plate mechanism 5, the intermediate limiting member 226 is used to prevent the sieve plate mechanism 5 from moving, screw holes are arranged on the left and right sieve plate fixing members 227, and a pressing sieve plate assembly 7 is detachably arranged through screws arranged in the screw holes, and is used to cooperate with the intermediate limiting member 226 to realize the positioning of the sieve plate mechanism 5. The limiting pins 229 are used to prevent the upward movement of the left and right sieve plates.

[0036] A plurality of annular grooves are arranged at intervals on the opposite sides of the upper cavity 21 and the lower cavity 22, and sealing washers are arranged in the annular grooves. Through the sealing washers arranged in the plurality of annular grooves, the sealing effect is better.

[0037] In one embodiment, the lower cavity 22 is provided with a disassembly and assembly opening corresponding to the sieve plate mechanism 5. Only by pulling the sieve plate mechanism 5 through the disassembly opening can it be replaced or the blockage be cleared, which is convenient and fast. In one embodiment, the disassembly and assembly opening is an arc-shaped groove adapted to the sieve plate mechanism 5, and a sealing rubber is arranged on the outside of the arc-shaped groove.

[0038] In one embodiment, the intermediate limiting member 226 includes a reinforcing member 2261 arranged between the two arc-shaped positioning strips 225 and a herringbone-shaped positioning member 2262 obliquely extending downward from the top of the reinforcing member 2261 to both sides. The herringbone-shaped positioning member 2262 realizes the positioning of both sides of the sieve plate assembly at the same time, and the sieve plate assemblies on both sides can be disassembled by removing the herringbone-shaped positioning member 2262, with higher flexibility.

[0039] In one embodiment, a limiting groove 2263 is provided at the bottom of the chevron-shaped positioning member 2262, and a limiting protrusion 2264 adapted to the limiting groove 2263 is provided at the top of the reinforcing member 2261. The chevron-shaped positioning member 2262 can move along the length direction of the reinforcing member 2261. An outlet is provided for the lower cavity 22 relative to the chevron-shaped positioning member 2262.

[0040] In one embodiment, the top sides of the upper cavity 21 are arc-shaped, and the inner wall of the upper cavity 21 is arc-shaped, which cooperates with the crushing mechanism 228, having high crushing efficiency and preventing material blockage and extrusion at the same time.

[0041] In one embodiment, the crushing mechanism 228 includes a crushing main shaft 33, hammering rotating discs 34 spaced apart on the crushing main shaft 33, through holes correspondingly provided on the hammering rotating discs 34, and hammer heads 35 axially connected by the hammer heads 35 disposed in the through holes. Steps 36 are provided at both ends of the hammer heads 35, and the steps 36 are used for the smooth rotation of the hammer heads 35 in the crushing cavity.

[0042] In one embodiment, a pressing screen plate assembly 7 is detachably provided on the left and right screen plate fixing members 227.

[0043] In one embodiment, the lower end of the left and right screen plate fixing members 227 extends downward to form a baffle for guiding the crushed material.

[0044] In one embodiment, the feeding mechanism 4 includes a feeding hopper 42 with an open top. One end of the feeding hopper 42 is hinged to the upper cavity 21, and the other end is provided with a first locking connecting plate 43. A card slot 44 is provided at the upper end of the first locking connecting plate 43. A second locking connecting plate 45 is provided on one side of the upper cavity 21 where the first locking connecting plate 43 is located. A T-shaped screw 46 is provided on the second locking connecting plate 45. A handle is provided at one end of the T-shaped screw 46, and one end of the T-shaped screw 46 can be inserted into the card slot 44 by rotating the handle.

[0045] In one embodiment, a movable material receiving box 6 is provided at the bottom of the screen plate mechanism 5.

[0046] The embodiments described in the present invention are only descriptions of the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention. Without departing from the design idea of the present invention, various variations and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope of the present invention. The technical content claimed by the present invention has been fully recorded in the claims.

Claims

1. A plastic crushing device, characterized in that, Comprising: A frame (1) for providing a fixed installation position; A crushing cavity (2), including an upper cavity (21) and a lower cavity (22) provided on the frame (1); A crushing mechanism (228), including a first crushing component (31) and a second crushing component (32) arranged in parallel in the crushing cavity (2); A feeding mechanism (4), the upper cavity (21) is provided with a feeding port (41) in the middle of the first crushing component (31) and the second crushing component (32), and the feeding port (41) is correspondingly arranged for the feeding mechanism (4); A sieve plate mechanism (5), which is detachably arranged in the lower cavity (22) corresponding to the first crushing component (31) and the second crushing component (32).

2. The plastic crushing device according to claim 1, wherein: The lower cavity (22) includes left and right side plates (221) and front and rear vertical plates welded to each other in pairs, a connecting plate fixed on the left and right side plates (221) and the front and rear side plates (222), mounting holes (224) provided on the front and rear side plates (222) for mounting the first crushing component (31) and the second crushing component (32), two arc-shaped positioning bars (225) fixed on the inner walls of the front and rear side plates (222) with the mounting holes (224) as the center, an intermediate limiting member (226) arranged in the middle of the two arc-shaped positioning bars (225), left and right sieve plate fixing members (227) inclined downward from the inner walls of the left and right side plates (221), and a limiting pin (229) arranged above one end of the left and right sieve plates close to the intermediate limiting member (226).

3. The plastic crushing device according to claim 1, characterized in that: The lower cavity (22) is provided with a disassembly and assembly port corresponding to the sieve plate mechanism (5).

4. The plastic crushing device according to claim 2, characterized in that: The intermediate limiting member (226) includes a reinforcing member (2261) arranged between the two arc-shaped positioning bars (225) and a chevron-shaped positioning member (2262) extending obliquely downward from the top of the reinforcing member (2261) to both sides.

5. The plastic crushing device according to claim 4, characterized in that: A limiting groove (2263) is arranged at the bottom of the chevron-shaped positioning member (2262), a limiting protrusion (2264) adapted to the limiting groove (2263) is arranged at the top of the reinforcing member (2261), and the chevron-shaped positioning member (2262) can move along the length direction of the reinforcing member (2261).

6. The plastic crushing device according to claim 1, characterized in that: The top of the upper cavity (21) is arc-shaped on both sides.

7. The plastic crushing device according to claim 1, wherein: The crushing mechanism (228) includes a crushing main shaft (33), hammering rotating discs (34) arranged at intervals on the crushing main shaft (33), through holes correspondingly arranged on the hammering rotating discs (34), and hammer heads (35) axially connected through the hammer heads (35) arranged in the through holes. Steps (36) are arranged at both ends of the hammer heads (35), and the steps (36) are used for the smooth rotation of the hammer heads (35) in the crushing cavity.

8. The plastic crushing device according to claim 2, characterized in that: A pressing sieve plate assembly (7) is detachably arranged on the left and right sieve plate fixing members (227).

9. The plastic crushing device according to claim 2, wherein: The lower ends of the left and right sieve plate fixing members (227) extend downward to form baffles for guiding the crushed materials.

10. The plastic crushing device according to claim 1, characterized in that: The feeding mechanism (4) includes a feed hopper (42) with an open top. One end of the feed hopper (42) is hinged to the upper cavity (21), and the other end is provided with a first locking connecting plate (43). A clamping groove (44) is provided at the upper end of the first locking connecting plate (43). A second locking connecting plate (45) is provided on one side of the upper cavity (21) where the first locking connecting plate (43) is located. A T-shaped screw rod (46) is provided on the second locking connecting plate (45). One end of the T-shaped screw rod (46) is provided with a handle, and by rotating the handle, one end of the T-shaped screw rod (46) can be clamped into the clamping groove (44).

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