Raw material crushing device for plastic granulation

By designing a plastic granulation device that involves multiple crushing processes, and utilizing a worm gear and bevel gear structure to achieve multiple crushing operations, the problem of insufficient crushing in existing devices is solved, thereby improving the efficiency of plastic crushing and the melting speed.

CN223685810UActive Publication Date: 2025-12-19QUANZHOU LUOJIANG MINWANG PLASTIC CO LTD
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Patent Information

Application Number
CN202520030074.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-12-19
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

Existing plastic raw material crushing equipment has poor crushing force and few crushing cycles, resulting in insufficient plastic fragments, which affects the subsequent melting speed and granulation efficiency.

Method used

A raw material crushing device for plastic granulation with multiple crushing processes was designed, including a collection box, a feeding box, a guide plate, a first crushing component and a second crushing component. Multiple crushing processes are achieved through a linked worm gear and bevel gear structure. The plastic is guided into the crushing component by an inclined guide plate and sheared and crushed by a counter-rotating blade wheel.

Benefits of technology

This technology enables multiple crushing of plastics, resulting in more thorough crushing, increased melting speed and granulation efficiency, simplified operation, and reduced production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of plastic granulation, and particularly relates to a raw material crushing device for plastic granulation, which comprises a material collecting box, support legs are fixedly mounted at the bottom of the periphery of the material collecting box, the material collecting box is funnel-shaped, and two feeding boxes are respectively fixed at the left end and the right end of the top of the material collecting box. The bottoms of the two feeding boxes communicate with the interior of the material collecting box, a fixing plate is fixedly installed between the tops of the two feeding boxes, a driving motor is fixedly installed on the fixing plate, two first smashing assemblies are arranged above the material collecting box, and each first smashing assembly comprises a transverse driving shaft. The left end and the right end of the transverse driving shaft are connected with the two feeding boxes through bearings correspondingly, the outer sides of the left end and the right end of the transverse driving shaft are fixedly sleeved with two smashing rollers located on the inner sides of the two feeding boxes correspondingly, and a second smashing assembly is arranged on the inner side of the bottom of the material collecting box. And the second crushing assembly is linked with the two groups of first crushing assemblies and is driven by the driving motor.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of plastic granulation, especially relates to a raw material crushing device for plastic granulation. BACKGROUND

[0002] Plastic granulation is to recycle waste plastics and waste plastic products, through a series of processes such as crushing, cleaning, melting, etc., finally produce new plastic particles meeting the standard, not only can make waste plastics be regenerated and utilized, reduce environmental pollution, but also can provide reliable raw materials for plastic product industry. In the process of plastic recycling and granulation, the plastic products need to be crushed by a crushing device for subsequent melting processing.

[0003] At present, the common plastic raw material crushing device on the market has the problems of poor crushing force, less crushing times, insufficient crushing, etc. in the process of recycling and crushing of plastic products, which affects the subsequent melting speed and granulation efficiency. Therefore, it is urgent to improve the existing plastic raw material crushing device and provide a plastic raw material crushing device for plastic granulation with multiple crushing functions and good crushing effect. UTILITY MODEL CONTENTS

[0004] The utility model aims at the deficiencies in the prior art, provides a plastic raw material crushing device for plastic granulation with reasonable design, simple structure, multiple crushing functions, multiple crushing, and more sufficient crushing, to solve the problems in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A raw material crushing device for plastic granulation, which comprises a material collecting box, four legs are fixedly installed at the bottom of the material collecting box, the material collecting box is in the shape of a funnel, two feed boxes are fixedly installed at the top of the material collecting box, the bottoms of the two feed boxes are communicated with the inside of the material collecting box, a fixed plate is fixedly installed between the tops of the two feed boxes, a driving motor is fixedly installed on the fixed plate, two groups of first crushing assemblies are arranged above the material collecting box, each group of first crushing assemblies comprises a horizontal driving shaft, the left and right ends of the horizontal driving shaft are connected with the bearings of the two feed boxes, two crushing rollers are fixedly sleeved on the outer sides of the left and right ends of the horizontal driving shaft and located inside the two feed boxes, a second crushing assembly is arranged on the inner side of the bottom of the material collecting box, the second crushing assembly and the two groups of first crushing assemblies are linked and driven by the driving motor.

[0007] As a preferred, two groups of guide plates are arranged on the inner sides of the tops of the two feed boxes, the number of each group of guide plates is two, the two guide plates are symmetrically fixedly installed on the inner walls of the tops of the feed boxes, and the guide plates are arranged in an inclined manner.

[0008] As preferred, a worm wheel is fixedly sleeved on the outer side of the middle part of each transverse driving shaft, and the worm wheel is in transmission connection with the second crushing assembly.

[0009] As preferred, the second crushing assembly comprises a vertical driving shaft, the top end of the vertical driving shaft is fixedly connected with the output end of the driving motor, a hollow worm is in transmission connection with the outer side of the middle part of the vertical driving shaft, the spiral part of the worm is in meshing connection with the worm wheel, and a second blade wheel is fixedly sleeved on the outer side of the bottom end of the worm.

[0010] As preferred, a first blade wheel is fixedly sleeved on the outer side of the bottom end of the vertical driving shaft.

[0011] As preferred, the worm bearing is installed on the support plate arranged at the middle part of the collecting box.

[0012] As preferred, the worm is rotatably sleeved on the outer side of the driving shaft through the bearing, a third bevel gear is fixedly sleeved on the outer side of the top end of the worm, a second bevel gear is fixedly sleeved on the outer side of the top end of the vertical driving shaft, and the first bevel gears are in meshing connection between the second bevel gear and the third bevel gear.

[0013] As preferred, the number of the first bevel gears is two, and the two first bevel gears are respectively installed on the outer walls of the two feeding boxes on the sides close to each other.

[0014] As preferred, the first bevel gears are located between the second bevel gear and the third bevel gear, the second bevel gear and the third bevel gear are in meshing connection with the first bevel gears, and the vertical driving shaft and the worm rotate synchronously and in opposite directions.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] In the scheme of the utility model, the guide plates arranged obliquely guide the plastic products put into the feeding box to the two groups of first crushing assemblies, when the driving motor is started to control the rotation of the second crushing assembly, the worm is rotated to drive the two worm wheels to rotate and drive the two groups of first crushing assemblies to rotate, so that the preliminary crushing of the plastic products can be realized, the plastic products with large volume are crushed into small pieces, subsequent processing is facilitated, and the bottom of the collecting box is funnel-shaped, so that the preliminary crushed plastic products can be collected and concentrated to the second crushing assembly.

[0017] The utility model discloses when starting drive motor, can control vertical drive shaft, second bevel gear and first blade wheel fast rotation, simultaneously utilize two first bevel gears, can conveniently control third bevel gear drive worm and second blade wheel synchronous fast rotation, and the rotation direction of first blade wheel and second blade wheel is reverse, can form shearing mechanism, thereby further crushing the small plastic fragment concentrated in the bottom of the aggregate tank and falling down, make this device have multiple smashing function, and the smashing is more sufficient, and the effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the embodiment or prior art description needed to use the drawing briefly introduce, now to the drawing will be as follows:

[0019] Figure 1 It is the three-dimensional left view sectional structure schematic diagram of the utility model;

[0020] Figure 2 It is the front view structure schematic diagram of the utility model;

[0021] Figure 3 It is the front view structure schematic diagram of the utility box and the guide plate of the utility model;

[0022] Figure 4 It is the second smashing subassembly overall front view structure schematic diagram of the utility model;

[0023] Figure 5 It is the first smashing subassembly overall plan view structure schematic diagram of the utility model.

[0024] In the drawing:

[0025] 1, aggregate tank;2, support leg;3, feed box;4, guide plate;5, first smashing subassembly;51, transverse drive shaft;52, smashing roller;53, worm wheel;6, first bevel gear;7, fixed plate;8, drive motor;9, second smashing subassembly;91, vertical drive shaft;92, second bevel gear;93, first blade wheel;94, worm;95, third bevel gear;96, second blade wheel. DETAILED DESCRIPTION

[0026] The following described embodiment is only a part of the embodiment of the utility model, and does not represent all embodiments consistent with the utility model. Now, combining the drawing, the exemplary embodiment is as follows:

[0027] As Figures 1-5The utility model discloses a raw material crushing device for plastic granulation as shown in the one, and the raw material crushing device for plastic granulation comprises a material collecting box 1, supporting legs 2 are fixedly installed at the bottom of the periphery of the material collecting box 1, the material collecting box 1 is funnel-shaped, two feed boxes 3 are fixedly arranged at the top left and right ends of the material collecting box 1 respectively, the bottom of the two feed boxes 3 is communicated with the inside of the material collecting box 1, a fixed plate 7 is fixedly installed between the top of the two feed boxes 3, a driving motor 8 is fixedly installed on the fixed plate 7, two first crushing assemblies 5 are arranged above the material collecting box 1, the two first crushing assemblies 5 are symmetrically arranged in the inside of the two feed boxes 3, a first bevel gear 6 is bearingly installed on the outer wall of the side of the top of the two feed boxes 3 that is close to each other, a second crushing assembly 9 is arranged between the two first bevel gears 6, and the second crushing assembly 9 is linked with the two first crushing assemblies 5 and is driven by the driving motor 8.

[0028] In the embodiment, the two first crushing assemblies 5 are linked with the second crushing assembly 9, and the rotating directions of the two first crushing assemblies 5 are always opposite to each other, so that the two first crushing assemblies 5 can be linked with the second crushing assembly 9 when the second crushing assembly 9 is controlled to operate, the linkage is strong, the number of motors can be reduced, the production cost of the device can be reduced, and the operation can be simplified.

[0029] As a preferred embodiment, on the basis of the above structure, further, each first crushing assembly 5 comprises a transverse driving shaft 51, two crushing rollers 52 and a worm gear 53, the left and right ends of the transverse driving shaft 51 are bearingly connected with the two feed boxes 3 respectively, the outer sides of the left and right ends of the transverse driving shaft 51 are fixedly sleeved with the two crushing rollers 52 respectively, the two crushing rollers 52 are located on the inner sides of the two feed boxes 3 respectively, and the outer side of the middle part of the transverse driving shaft 51 is fixedly sleeved with the worm gear 53.

[0030] As a preferred embodiment, on the basis of the above structure, further, the second crushing assembly 9 comprises a vertical driving shaft 91, a second bevel gear 92, a first blade wheel 93, a worm 94, a third bevel gear 95 and a second blade wheel 96, the top end of the vertical driving shaft 91 is fixedly connected with the output end of the driving motor 8, the outer side of the top end of the vertical driving shaft 91 is fixedly sleeved with the second bevel gear 92, the outer side of the bottom end of the vertical driving shaft 91 is fixedly sleeved with the first blade wheel 93, the outer side of the middle part of the vertical driving shaft 91 is bearingly sleeved with the worm 94, the outer side of the top end of the worm 94 is fixedly sleeved with the third bevel gear 95, and the outer side of the bottom end of the worm 94 is fixedly sleeved with the second blade wheel 96.

[0031] As a preferred embodiment, on the basis of the above structure, further, the first bevel gear 6 is located between the second bevel gear 92 and the third bevel gear 95, the second bevel gear 92 and the third bevel gear 95 are meshed with the first bevel gear 6, and the vertical driving shaft 91 and the worm 94 rotate synchronously and in opposite directions.

[0032] In the embodiment, when the vertical driving shaft 91, the second bevel gear 92 and the first blade wheel 93 are controlled to rotate, the first bevel gear 6 can be used to control the third bevel gear 95 to drive the worm 94 and the second blade wheel 96 to rotate rapidly, and the rotating directions of the first blade wheel 93 and the second blade wheel 96 are opposite, so that the plastic pieces after preliminary crushing can be fully crushed.

[0033] As a preferred embodiment, on the basis of the above structure, further, the worm 94 bearing is installed on the support plate arranged at the middle part of the collecting box 1, and the worm 94 worm parts are respectively meshed and connected with the two worm gears 53.

[0034] In the embodiment, when the worm 94 rotates, the two groups of first crushing assemblies 5 can be driven to rotate reversely by the two worm gears 53, so that the plastic products can be preliminarily crushed.

[0035] As a preferred embodiment, on the basis of the above structure, further, two groups of guide plates 4 are respectively arranged at the top inner sides of the two feeding boxes 3, the number of each group of guide plates 4 is two, the two guide plates are fixed and installed on the top inner walls of the feeding boxes 3 in a front-rear symmetry mode, and the guide plates 4 are arranged in an inclined mode.

[0036] In the embodiment, the guide plates 4 arranged in an inclined mode can guide the plastic products put into the feeding box 3 to the two groups of first crushing assemblies 5, so that the crushing treatment is facilitated.

[0037] The working principle of the utility model is as follows:

[0038] In use, first, the plastic products to be crushed are put into the feeding box 3, the inclined guide plates 4 can make the plastic products enter between the front and rear crushing rollers 52, and the driving motor 8 is turned on to control the second crushing assembly 9 to start rotating, at this moment, the rotating worm 94 can drive the front and rear worm gears 53, and the two worm gears 53 can drive the front and rear groups of first crushing assemblies 5 to continuously rotate in opposite directions, so that the plastic products put into the device can be preliminarily crushed into small pieces, and the plastic pieces after preliminary crushing can fall into the collecting box 1.

[0039] When the driving motor 8 is started to control the vertical driving shaft 91, the second bevel gear 92 and the first blade wheel 93 to rotate rapidly, the left and right first bevel gears 6 can be used to control the third bevel gear 95 to drive the worm 94 and the second blade wheel 96 to synchronously rotate rapidly, and the rotating directions of the vertical driving shaft 91 and the worm 94 are opposite, that is, the rotating directions of the first blade wheel 93 and the second blade wheel 96 are opposite and can form a shearing mechanism, so that the small plastic pieces concentrated at the bottom of the collecting box 1 and falling vertically can be further crushed.

[0040] In summary, the device has multiple crushing functions, which can first preliminarily crush the complete plastic products into small pieces, and then fully crush them, so that the plastic crushing is more sufficient and the effect is better, and the device can continuously perform the plastic crushing treatment, and has high treatment efficiency and fast speed.

[0041] It should be particularly pointed out that in the device, the driving motor 8 is powered by an external power supply, and the specific circuit layout and control means are mature existing technologies, so they will not be described in detail.

[0042] The above is only a preferred embodiment of the present application, and is not intended to limit the scope of protection of the present application; any equivalent changes, modifications, replacements and modifications made by those skilled in the art on the basis of the existing technology through logical analysis, reasoning or limited experiments, should be within the scope of protection determined by the claims.

Claims

1. A raw material crushing device for plastic granulation, comprising a collection box (1), wherein support legs (2) are fixedly installed on the bottom of all four sides of the collection box (1), characterized in that: The collection box (1) is funnel-shaped. Two feed boxes (3) are fixed at the top left and right ends of the collection box (1). The bottom of the two feed boxes (3) is connected to the inside of the collection box (1). A fixing plate (7) is fixedly installed between the tops of the two feed boxes (3). A drive motor (8) is fixedly installed on the fixing plate (7). Two sets of first crushing components (5) are provided above the collection box (1). Each set of first crushing components (5) includes a transverse drive shaft (51). The left and right ends of the transverse drive shaft (51) are respectively connected to the bearings of the two feed boxes (3). Two crushing rollers (52) located inside the two feed boxes (3) are fixedly sleeved on the outer sides of the left and right ends of the transverse drive shaft (51). A second crushing component (9) is provided on the inner side of the bottom of the collection box (1). The second crushing component (9) and the two sets of first crushing components (5) are linked together and driven by the drive motor (8).

2. The raw material crushing device for plastic granulation according to claim 1, characterized in that: Two sets of guide plates (4) are provided on the inner top of the two feed boxes (3). There are two guide plates (4) in each set. The two guide plates are symmetrically fixed on the inner top wall of the feed box (3) and the guide plates (4) are set at an angle.

3. The raw material crushing device for plastic granulation according to claim 1, characterized in that: Each transverse drive shaft (51) is fixedly fitted with a worm gear (53) on the outer side of its middle section, and the worm gear (53) is connected to the second crushing assembly (9) in a transmission connection.

4. The raw material crushing device for plastic granulation according to claim 3, characterized in that: The second crushing component (9) includes a vertical drive shaft (91), the top end of which is fixedly connected to the output end of the drive motor (8), and a hollow worm (94) is connected to the outer side of the middle part of the vertical drive shaft (91). The worm portion of the worm (94) is meshed with the worm wheel (53), and a second blade wheel (96) is fixedly sleeved on the outer side of the bottom end of the worm (94).

5. The raw material crushing device for plastic granulation according to claim 4, characterized in that: The bottom outer side of the vertical drive shaft (91) is fixedly fitted with a first blade wheel (93).

6. The raw material crushing device for plastic granulation according to claim 4, characterized in that: The worm gear (94) bearing is mounted on a support plate located in the middle of the collection box (1).

7. The raw material crushing device for plastic granulation according to claim 4, characterized in that: The worm (94) is rotatably sleeved on the outside of the drive shaft (91) via a bearing. A third bevel gear (95) is fixedly sleeved on the outside of the top end of the worm (94), and a second bevel gear (92) is fixedly sleeved on the outside of the top end of the vertical drive shaft (91). A first bevel gear (6) is meshing between the second bevel gear (92) and the third bevel gear (95).

8. The raw material crushing device for plastic granulation according to claim 7, characterized in that: There are two first bevel gears (6), and the two first bevel gears (6) are respectively mounted on the outer wall of the top of the two feed boxes (3) on the side close to each other.