Plastic crusher for cable production

By introducing a vibrating assembly of crushing blades and a screening screen into the plastic crusher, the problem of uneven plastic crushing was solved, achieving uniform crushing of plastic particles and efficient operation of the equipment.

CN224044287UActive Publication Date: 2026-03-27HUBEI BAOLUO ELECTRIC CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-24
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing plastic crushers produce unevenly sized plastic particles when crushing PVC plastic, which affects the insulation performance and mechanical strength of cables.

Method used

A plastic crusher comprising a crushing component and a vibrating component was designed. The rotation of the crushing blades and the vibration of the screening screen ensure that the plastic particles are crushed uniformly and blockage is avoided.

Benefits of technology

This process achieves uniform crushing of plastic particles, improving the quality and efficiency of cable production and avoiding product defects caused by uneven crushing.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224044287U_ABST
    Figure CN224044287U_ABST
Patent Text Reader

Abstract

The utility model discloses a plastic crusher for cable production, and relates to the technical field of cable production. The smashing device comprises a supporting base, a smashing tank is installed at the upper end of the supporting base, a screening net is slidably installed on the inner wall of the smashing tank and divides the space of an inner cavity of the smashing tank into a lower storage bin and an upper smashing bin, guiding assemblies are symmetrically installed on the bottom face of the lower storage bin, and the screening net is slidably connected to the guiding assemblies. And a vibration assembly is mounted at the lower end of the crushing assembly. According to the plastic crushing device, plastic in the upper crushing bin can be fully crushed through the crushing blades, and the plastic can fall into the lower storage bin through the screening net only when crushed to be smaller than the aperture of the screening net, so that the plastic crushing device can uniformly crush the plastic, and the plastic can be fully crushed in the upper crushing bin; and the uniformity of the crushed plastic can be kept, and the situation that large particles still exist in the crushed plastic particles is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to cable production technical field, and specifically, it particularly relates to a plastic pulverizer for cable production. BACKGROUND

[0002] Cables play an important role in daily life and industrial applications. Common cables include power cables, communication cables, and electrical equipment cables. The basic structure of a cable usually includes a conductor, an insulating layer, and a protective sheath. The conductor is used to transmit current, the insulating layer prevents current leakage, and the protective sheath protects the cable from mechanical damage and corrosion. Currently, the protective sheath of the cable is usually made of PCV plastic, which has good wear resistance and corrosion resistance and is widely used in cable manufacturing.

[0003] In the prior art, PVC plastic is first crushed and then processed into a cable protective sheath. However, the traditional plastic pulverizer often results in uneven particle size of the crushed plastic, which negatively affects the subsequent cable production process. For example, during the extrusion molding process, it may cause uneven product surface and internal structure, thereby affecting the insulation performance, mechanical strength, and other key quality indicators of the cable, and reducing the product's pass rate and market competitiveness.

[0004] Currently, there is no effective solution to the problems in the related art. SUMMARY

[0005] To solve the above technical problems, the utility model provides a plastic pulverizer for cable production, which includes a support base, a crushing tank installed on the upper end of the support base, a screening net slidably installed on the inner wall of the crushing tank, the screening net divides the inner cavity of the crushing tank into a lower storage compartment and an upper crushing compartment, guide assemblies are symmetrically installed on the bottom surface of the lower storage compartment, the screening net is slidably connected to the guide assemblies, a crushing assembly is installed in the upper crushing compartment, a vibration assembly is installed at the lower end of the crushing assembly, and the rotation of the crushing assembly can drive the vibration assembly to rotate simultaneously to enable the screening net to vibrate on the guide assemblies.

[0006] The crushing assembly includes a rotating shaft, the rotating shaft is located in the inner cavity of the crushing tank, and the rotating shaft has the same shaft center as the crushing tank, a power assembly is installed on the top surface of the crushing tank, the power assembly is connected to the upper end of the rotating shaft, a plurality of crushing blades are sleeved on the rotating shaft, and the crushing blades are located in the upper crushing compartment.

[0007] The guide assembly includes a sliding rod, the sliding rod is installed on the bottom surface of the lower storage compartment, the screening net is slidably installed on the sliding rod, and a return spring is installed around the sliding rod.

[0008] The vibration assembly comprises a plurality of first inclined blocks, each of which is mounted on the upper surface of the screening net around the axis of the screening net, and the vibration assembly further comprises a rotating disc which is mounted at the lower end of the rotating shaft and has the same axis as the screening net, and the rotating disc is symmetrically provided with a plurality of second inclined blocks at the bottom surface thereof, and the first inclined blocks can be matched with the inclined surfaces of the second inclined blocks.

[0009] The upper end of the crushing tank is provided with a discharging bin which is communicated with the inner cavity of the upper crushing bin.

[0010] The bottom surface of the lower storage bin is conical, and the discharging pipe is mounted at the lowest position of the bottom surface of the lower storage bin and is provided with an opening and closing valve.

[0011] A plurality of positioning blocks are mounted on the inner wall of the crushing tank, and the screening net is slidingly mounted on the positioning blocks.

[0012] The supporting base is uniformly provided with a plurality of screws.

[0013] The utility model has the following beneficial effects:

[0014] 1. The utility model discloses a crushing blade can fully crush the plastics in the upper crushing bin, only when the plastics are crushed to be smaller than the aperture of the screening net, the plastics can fall to the lower storage bin through the screening net, so that the device can uniformly crush the plastics, the plastics can be fully crushed in the upper crushing bin, the crushed plastics can keep uniformity, and the large particles of the crushed plastics can be avoided, so that the subsequent cable production process is not affected.

[0015] 2. The utility model discloses a rotating shaft can drive the second inclined block to rotate, so that the second inclined block can intermittently contact the first inclined block, so that the screening net can vibrate on the sliding rod under the action of the reset spring, the crushed plastics can better fall to the lower storage bin through the vibration, the crushed plastics can be avoided to be accumulated on the screening net, the aperture of the screening net can be avoided to be blocked, and the crushing effect and the efficiency of the device can be affected.

[0016] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is an internal structure schematic view of the crushing tank of the utility model;

[0019] Figure 3 It is a crushing assembly structure schematic view of the utility model;

[0020] Figure 4 It is a Figure 3A magnified view of the structure at point A in the middle;

[0021] Figure 5 This is a schematic diagram of the vibration component structure of this utility model.

[0022] Explanation of reference numerals in the attached drawings: 1. Support base; 2. Grinding tank; 3. Screening mesh; 4. Lower storage bin; 5. Upper grinding bin; 6. Guide assembly; 7. Grinding assembly; 8. Vibration assembly; 9. Rotating shaft; 10. Power assembly; 11. Grinding blade; 12. Sliding rod; 13. Return spring; 14. First inclined block; 15. Rotating disk; 16. Second inclined block; 17. Feeding bin; 18. Discharge pipe; 19. Opening and closing valve; 20. Positioning block; 21. Screw. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the following will be described in conjunction with the accompanying drawings of the embodiments of this utility model. Figure 1 Section 5 provides a clear and complete description of the technical solutions of the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model are within the protection scope of this utility model.

[0024] Please see Figure 1 , Figure 2 , Figure 3 , Figure 5 As shown:

[0025] This embodiment provides a plastic crusher for cable production, including a support base 1. A crushing tank 2 is installed on the upper end of the support base 1. The crushing tank 2 is cylindrical. A screening screen 3 is slidably installed on the inner wall of the crushing tank 2. The screening screen 3 divides the inner cavity of the crushing tank 2 into a lower storage chamber 4 and an upper crushing chamber 5. A guide assembly 6 is symmetrically installed on the bottom surface of the lower storage chamber 4. The screening screen 3 is slidably connected to the guide assembly 6. A crushing assembly 7 is installed in the upper crushing chamber 5. The crushing assembly 7 is used to crush the plastic in the upper crushing chamber 5. A vibration assembly 8 is installed at the lower end of the crushing assembly 7. The rotation of the crushing assembly 7 can drive the vibration assembly 8 to rotate simultaneously, so that the screening screen 3 vibrates on the guide assembly 6.

[0026] In actual use, the plastic is poured into the upper crushing bin 5 of the crushing tank 2, the crushing assembly 7 is driven to move, so that the plastic in the upper crushing bin 5 can be crushed by the crushing assembly 7, and when the plastic is crushed to be smaller than the aperture on the screening net 3, it can fall into the lower storage bin 4 without being blocked by the screening net 3, thereby achieving the uniform crushing of the plastic, and the plastic can be fully crushed in the upper crushing bin 5, so that the crushed plastic can maintain uniformity, and large particles of the crushed plastic do not exist, which affects the subsequent cable production process.

[0027] When the crushing assembly 7 rotates to crush the plastic, the screening net 3 also reciprocates on the guide assembly 6, so that the screening net 3 itself vibrates, the crushed plastic particles can better fall into the lower storage bin 4, and are not accumulated on the screening net 3 to block the pores of the screening net 3, which affects the crushing effect and efficiency of the device.

[0028] As shown in Figures 1-3 , the crushing assembly 7 includes a rotating shaft 9, the rotating shaft 9 is located in the inner cavity of the crushing tank 2, and the rotating shaft 9 has the same axis as the crushing tank 2, a power assembly 10 is installed on the top surface of the crushing tank 2, the power assembly 10 is connected with the upper end of the rotating shaft 9, the power assembly 10 is used to drive the rotating shaft 9 to rotate, a plurality of crushing blades 11 are sleeved on the rotating shaft 9, the crushing blades 11 are in the upper crushing bin 5, so that the power assembly 10 can drive the rotating shaft 9 to rotate, the rotating shaft 9 drives the crushing blades 11 to rotate in the upper crushing bin 5, and the plastic in the upper crushing bin 5 is crushed, so that only when the plastic is crushed to be smaller than the aperture on the screening net 3, it can fall into the lower storage bin 4 through the screening net 3, so that the plastic can be fully crushed by the crushing blades 11, and large particles of the crushed plastic do not exist;

[0029] The power assembly 10 is a prior art device, including but not limited to a motor.

[0030] As shown in Figure 2 , Figure 3 , Figure 5As shown, the guide assembly 6 includes a sliding rod 12, the lower end of the sliding rod 12 is installed on the bottom surface of the lower storage bin 4, the screening net 3 is slidingly installed on the sliding rod 12, a return spring 13 is installed around the sliding rod 12, the upper end of the return spring 13 is in contact with the bottom surface of the screening net 3, and the lower end of the return spring 13 is in contact with the bottom surface of the inner cavity of the lower storage bin 4; the vibration assembly 8 includes a plurality of first inclined blocks 14, the first inclined blocks 14 are all installed on the upper surface of the screening net 3 around the axis of the screening net 3, the vibration assembly 8 further includes a rotating disc 15, the rotating disc 15 is installed on the lower end of the rotating shaft 9, the rotating disc 15 has the same axis as the screening net 3, a plurality of second inclined blocks 16 are symmetrically installed on the bottom surface of the rotating disc 15, the first inclined blocks 14 can be adapted to the inclined surfaces of the second inclined blocks 16, so that when the rotating shaft 9 rotates, the rotating disc 15 and the second inclined blocks 16 will also rotate, the inclined surfaces of the second inclined blocks 16 will be in contact with the inclined surfaces of the first inclined blocks 14 installed on the screening net 3, so that when the first inclined blocks 14 are in contact with the second inclined blocks 16, the first inclined blocks 14 will move downward, driving the screening net 3 to slide downward on the sliding rod 12, and driving the return spring 13 to be compressed, when the first inclined blocks 14 are no longer in contact with the second inclined blocks 16, the screening net 3 can slide upward through the elastic release of the return spring 13, so that the screening net 3 will perform reciprocating longitudinal motion on the sliding rod 12, so that the screening net 3 produces a vibration effect, which can avoid the accumulation of plastic particles on the screening net 3 and avoid the clogging of the screening net 3.

[0031] As shown in the figure, Figures 1-3 The upper end of the crushing tank 2 is provided with a feeding bin 17, which is communicated with the inner cavity of the upper crushing bin 5, so that the plastic can be poured into the upper crushing bin 5 through the feeding bin 17 for crushing operation by the crushing blades 11.

[0032] As shown in the figure, Figure 2 The bottom surface of the lower storage bin 4 is conical, and the bottom surface of the lower storage bin 4 is provided with a discharge pipeline 18 at the lowest horizontal position, through which the crushed plastic particles can be transported to the outside, and the discharge pipeline 18 is provided with an opening and closing valve 19, which can open or close the discharge pipeline 18, and a flange is installed on the discharge pipeline 18, so that the discharge pipeline 18 can be connected with the external pipeline flange, improving the applicability.

[0033] As shown in the figure, Figure 1 , Figure 4 A plurality of positioning blocks 20 are installed on the inner wall of the crushing tank 2, and the screening net 3 is slidingly installed on the positioning blocks 20, the installation positions of the positioning blocks 20 on the inner wall of the crushing tank 2 are all at a uniform level, so that the screening net 3 can slide smoothly on the positioning blocks 20, thereby ensuring the stability of the screening net 3 during movement.

[0034] As shown in the figure, Figure 1As shown, the support base 1 is uniformly provided with a plurality of screws 21, by fixing the screws 21 to the plane, the stability of the whole device can be ensured, and the safety during use is improved.

[0035] The working principle of the plastic pulverizer for cable production is as follows: the plastic is poured into the upper pulverizing bin 5 through the discharging bin 17, and the driving power assembly 10 can drive the pulverizing blade 11 to rotate under the connection of the rotating shaft 9, so that the plastic in the upper pulverizing bin 5 is pulverized, so that only when the plastic is pulverized to be smaller than the aperture on the screening net 3, the plastic can fall into the lower storage bin 4 through the screening net 3, so that the plastic can be fully pulverized in the upper pulverizing bin 5, and the large particles of the pulverized plastic are avoided, and when the rotating shaft 9 drives the pulverizing blade 11 to rotate, the rotating disc and the second inclined block 16 are also driven to rotate, so that the second inclined block 16 is intermittently in contact with the first inclined block 14, so that under the action of the reset spring 13, the screening net 3 is driven to reciprocate longitudinally on the sliding rod 12, so that the screening net 3 generates a vibration effect, so that the pulverized plastic particles can better fall into the lower storage bin 4, avoiding accumulation on the screening net 3, and ensuring that the screening net 3 is not blocked.

[0036] In addition, it should be further pointed out that, in the description of the utility model, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0037] The above is the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the utility model.

Claims

1. A plastic shredder for cable production comprising a supporting base (1), characterized in that, The support base (1) upper end is installed with a crushing tank (2), the crushing tank (2) inner wall is slidably installed with a screening net (3), the screening net (3) divides the crushing tank (2) inner cavity space into a lower storage bin (4) and an upper crushing bin (5), the lower storage bin (4) bottom surface is symmetrically installed with a guide assembly (6), the screening net (3) is slidably connected on the guide assembly (6), the upper crushing bin (5) is installed with a crushing assembly (7), the crushing assembly (7) lower end is installed with a vibrating assembly (8), the rotation of the crushing assembly (7) can drive the vibrating assembly (8) to rotate simultaneously, so that the screening net (3) performs vibrating operation on the guide assembly (6).

2. A plastic shredder for cable production as claimed in claim 1, wherein, The crushing assembly (7) comprises a rotating shaft (9), the rotating shaft (9) is located in the crushing tank (2) inner cavity, and the rotating shaft (9) is the same as the shaft center of the crushing tank (2), the top surface of the crushing tank (2) is installed with a power assembly (10), the power assembly (10) is connected with the upper end of the rotating shaft (9), a plurality of crushing blades (11) are sleeved on the rotating shaft (9), and the crushing blades (11) are located in the upper crushing bin (5).

3. A plastic shredder for cable production as claimed in claim 2, wherein, The guide assembly (6) comprises a sliding rod (12), the lower end of the sliding rod (12) is installed on the bottom surface of the lower storage bin (4), the screening net (3) is slidably installed on the sliding rod (12), and the sliding rod (12) is installed with a return spring (13) around.

4. A plastic shredder for cable production as claimed in claim 3, wherein, The vibrating assembly (8) comprises a plurality of first inclined blocks (14), the first inclined blocks (14) are installed on the upper surface of the screening net (3) around the shaft center of the screening net (3), the vibrating assembly (8) further comprises a rotating disc (15), the rotating disc (15) is installed on the lower end of the rotating shaft (9), the rotating disc (15) is the same as the shaft center of the screening net (3), a plurality of second inclined blocks (16) are symmetrically installed on the bottom surface of the rotating disc (15) around the shaft center, and the first inclined blocks (14) can be matched with the inclined surfaces of the second inclined blocks (16).

5. A plastic shredder for cable production as claimed in claim 1, wherein, The lower end of the crushing tank (2) is installed with a discharging bin (17), and the discharging bin (17) is communicated with the inner cavity of the upper crushing bin (5).

6. A plastic shredder for cable production as claimed in claim 1, wherein, The bottom surface of the lower storage bin (4) is conical, a discharging pipeline (18) is installed on the lowest horizontal position of the bottom surface of the lower storage bin (4), and an opening and closing valve (19) is installed on the discharging pipeline (18).

7. A plastic shredder for cable production as claimed in claim 1, wherein, A plurality of positioning blocks (20) are installed on the inner wall of the crushing tank (2), and the screening net (3) is slidably installed on the positioning blocks (20).

8. A plastic shredder for cable production as claimed in claim 1, wherein, A plurality of screws (21) are uniformly installed on the support base (1).