Plastic crusher for injection molding

Abstract

The utility model discloses a plastic crusher for injection molding, which relates to the technical field of injection molding plastic crushing, and comprises a crushing part, a support frame is arranged on one side of the crushing part, the support frame is connected with a half gear, the half gear is in contact with a gear I, the gear I is connected with a rotating rod, the rotating rod is connected with a connecting rod, the connecting rod is connected with a fan gear, and the fan gear is connected with a motor. The sector gear makes contact with double gears, the double gears make contact with a rack rod, the rack rod is connected with a cutter, and a conveying belt is arranged on one side of the supporting frame. A series of transmission components are further linked through rotation of the half gear, so that the cutter can move up and down in a reciprocating mode, a large hard plastic block can be divided into a plurality of small blocks, when the half gear rotates to the other side, the second gear, the transmission wheel and the transmission belt can be driven to move, and therefore the cut plastic block is driven forwards. And meanwhile, a next uncut large plastic block can be conveyed to the position below the cutter, and the smashing effect and efficiency of large-size plastic are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding plastic crushing technical field, concretely is a kind of plastic crusher for injection molding. BACKGROUND

[0002] The plastic crusher for injection molding is an important auxiliary equipment in injection molding production process, and its main function is to crush waste plastic products, unqualified products and the like into smaller particles or fragments, so that these waste plastics can be recycled and reused as raw materials for injection molding production again, and its working principle is that the moving knife installed inside the crushing cavity rotates at high speed, cooperates with the fixed knife (knife installed fixedly in the crushing cavity), cuts, tears, impacts and the like to the plastic material input into the crushing cavity, so that the plastic is gradually crushed into fragments of required size.

[0003] When the plastic crusher for injection molding works, large hard plastic blocks are inconvenient to put into the crushing machine tank, and need to be cut, knocked or torn into small pieces by simple tools manually, if large plastic body (such as plastic barrel) is directly put into the crushing machine tank, it is easy to bounce or splash under the stress of the crusher when being crushed, which is very troublesome to collect, and can threaten the personal safety of processing personnel, therefore, the utility model provides a plastic crusher for injection molding. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a plastic crusher for injection molding to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a plastic crusher for injection molding, which comprises a crushing part, a supporting frame is arranged on one side of the crushing part, a half gear wheel is rotatably connected to the supporting frame, a gear wheel one is rotatably contacted with the half gear wheel, a rotating rod is fixedly connected to the gear wheel one, a connecting rod is rotatably connected to the rotating rod, a fan gear wheel is rotatably connected to the connecting rod, a double gear wheel is rotatably contacted with the fan gear wheel, a rack rod is rotatably contacted with the double gear wheel, the rack rod is slidably contacted with the supporting frame, a cutter is fixedly connected to the rack rod, and a conveying belt is arranged on one side of the supporting frame.

[0006] Preferably, the supporting frame is rotatably connected to a clamping frame, and the clamping frame is composed of a clamping rod and a plurality of railings.

[0007] Preferably, the clamping frame is rotatably connected to a linkage rod, and a buffer mechanism is arranged below the linkage rod.

[0008] Preferably, the buffering mechanism is composed of a sleeve, a spring and a limiting rod, the sleeve is fixedly installed on the cutter, the spring is arranged in the sleeve, the spring is fixedly connected with the sleeve, and the spring is also fixedly connected with the limiting rod, and the bottom end of the limiting rod is arranged in the sleeve.

[0009] Preferably, the half gear further rotates and contacts a gear two, the gear two is fixedly connected with a transmission wheel, and the other end of the transmission wheel is fixedly connected with the conveying belt.

[0010] Preferably, the half gear is fixedly connected with a driver, and the conveying belt is fixedly installed with a protective plate.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The utility model discloses a half gear is rotated through the driver, and then a series of transmission components are linked, finally make the cutter can reciprocate up and down, can divide the big hard plastic body piece into a plurality of small pieces, effectively complete the cutting task, improve the processing efficiency and effect of the large volume plastic body piece.

[0013] 2. The utility model discloses the cooperation of buffering mechanism, linkage rod and clamping frame can realize the clamping of the big plastic piece of different shapes and volumes when the cutter moves up and down, ensures that the position of the plastic piece is relatively fixed during the cutting process, guarantees that the cutting operation is carried out smoothly.

[0014] 3. The utility model discloses a half gear rotates to the other side, can drive gear two, transmission wheel and transmission belt in proper order and move, thereby drive the plastic piece that cuts to forward, can transport the next big plastic piece that has not cut to the cutter below simultaneously, realizes the automatic connection of cutting and material conveying, improves the coherence and automation degree of whole processing procedure. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is whole structure schematic diagram of the utility model;

[0016] Figure 2 It is partial structure schematic diagram of the utility model;

[0017] Figure 3 It is local structure schematic diagram of the utility model;

[0018] Figure 4 It is local half cross section structure schematic diagram of the utility model.

[0019] In the figure: 1-pulverizing part; 2-support frame; 3-half gear; 4-gear one; 5-rotating rod; 6-connecting rod; 7-fan gear; 8-double gear; 9-rack rod; 10-cutter; 11-conveying belt; 12-clamping frame; 13-linkage rod; 14-buffer mechanism; 15-gear two; 16-driving wheel; 17-driver; 18-protection plate; 141-sleeve; 142-spring; 143-limiting rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-4 The present application provides a technical solution: a plastic pulverizer for injection molding, comprising a pulverizing part 1, the pulverizing part 1 is provided with a support frame 2 on one side, the support frame 2 is rotatably connected with a half gear 3, the half gear 3 is an incomplete gear with tooth blocks covering half of the side surface, the half gear 3 is rotatably connected with a gear one 4, the radius of the half gear 3 is twice that of the gear one 4, so that the half gear 3 rotates half a circle and the gear one 4 rotates one circle, the gear one 4 is fixedly connected with a rotating rod 5, the rotating rod 5 is rotatably connected with a connecting rod 6, the length of the connecting rod 6 is longer than that of the rotating rod 5, the connecting rod 6 and a fan gear 7 are non-coaxially connected, so as to ensure that the connecting rod 6 can push the fan gear 7 to reciprocating rotate, the fan gear 7 is rotatably connected with one side gear of a double gear 8, the other side gear of the double gear 8 is rotatably connected with a rack rod 9, the rack rod 9 is vertically arranged, the rack rod 9 is arranged in a rack fixing frame of the support frame 2 and slidably contacts with the rack fixing frame, the rack rod 9 is fixedly connected with a cutter 10, the cutter 10 is used for dividing plastic blocks, a conveying belt 11 is arranged between the two side supporting rods of the support frame 2, the half gear 3 is further rotatably connected with a gear two 15, the gear two 15 and the gear one 4 have the same radius, the gear two 15 is fixedly connected with a driving wheel 16, the driving wheel 16 is composed of a chain and two circular gears, the other end of the driving wheel 16 is fixedly connected with a rotating wheel of the conveying belt 11, the half gear 3 is fixedly connected with a driver 17, and the conveying belt 11 is fixedly provided with a protection plate 18.

[0022] Please refer to Figure 4The support frame 2 is rotationally connected with a clamping frame 12, the clamping frame 12 is composed of a clamping rod and a plurality of railings, the clamping frame 12 is rotationally connected with a linkage rod 13, a buffer mechanism 14 is arranged below the linkage rod 13, the buffer mechanism 14 is composed of a sleeve 141, a spring 142 and a limiting rod 143, the sleeve 141 is fixedly installed on the cutter 10, the spring 142 is arranged in the sleeve 141, one end of the spring 142 is fixedly connected with the inner wall bottom surface of the sleeve 141, the other end of the spring 142 is fixedly connected with the limiting rod 143, the bottom end of the limiting rod 143 is arranged in the sleeve 141, and the limiting rod 143 is prevented from being separated from the sleeve 141.

[0023] Working principle: the driver 17 is opened to drive the half gear 3 to rotate, then the half gear 3 drives the gear one 4 and the rotating rod 5 to rotate on one side, then the connecting rod 6 drives the fan gear 7 to reciprocate, and then the double gear 8 reciprocatingly rotates to drive the rack rod 9 and the cutter 10 to reciprocate up and down, then the large hard plastic block is divided into a plurality of small blocks by the cutter 10, when the cutter 10 moves up and down, the linkage rod 13 is driven to move by the buffer mechanism 14, then the clamping frame 12 is pulled to shrink by the linkage rod 13, so that the large hard plastic block is clamped, since the volume and shape of the plastic block are indefinite, the clamping frame 12 clamps the large plastic block of different shapes and is resisted at different positions and cannot continue to move, at this time, the buffer mechanism 14 can provide a buffer space to prevent the rack rod 9 and the cutter 10 from being limited and unable to move, in addition, it should be noted that the radius of the half gear 3 is twice that of the gear one 4, the half gear 3 rotates by 180 degrees, and the rack rod 9 and the cutter 10 are just driven to move downward and then move upward to reset, to complete a complete cutting and recovery movement process, the half gear 3 rotates to the other side to drive the gear two 15 to rotate, the gear two 15 drives the transmission belt 11 to rotate a distance through the transmission wheel 16, the cut plastic block is driven forward, and the next uncut large plastic block is driven to the cutter below.

[0024] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0025] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A plastic shredder for injection molding, comprising a shredding section (1), characterized in that: The crushing part (1) one side is provided with support frame (2), the support frame (2) is rotatably connected with half gear (3), the half gear (3) rotatably contacts gear one (4), the gear one (4) is fixedly connected with rotating rod (5), the rotating rod (5) is rotatably connected with connecting rod (6), the connecting rod (6) is rotatably connected with fan gear (7), the fan gear (7) rotatably contacts double gear (8), the double gear (8) rotatably contacts rack rod (9), the rack rod (9) and support frame (2) sliding contact, the rack rod (9) is fixedly connected with cutter (10), the support frame (2) one side is provided with conveyor belt (11).

2. A plastic shredder for injection molding according to claim 1, characterized in that: The support frame (2) is rotatably connected with clamping frame (12), the clamping frame (12) is composed of clamping rod and several railings.

3. A plastic shredder for injection molding according to claim 2, characterized in that: The clamping frame (12) is rotatably connected with linkage rod (13), the linkage rod (13) is provided with buffer mechanism (14) below.

4. A plastic shredder for injection molding according to claim 3, characterized in that: The buffer mechanism (14) is composed of sleeve (141), spring (142) and limiting rod (143), the sleeve (141) is fixedly installed on cutter (10), the sleeve (141) is provided with spring (142) in, the spring (142) is fixedly connected with sleeve (141), the spring (142) is also fixedly connected with limiting rod (143), the bottom end of the limiting rod (143) is arranged in the sleeve (141).

5. A plastic shredder for injection molding according to claim 1, characterized in that: The half gear (3) rotatably contacts gear two (15) further, gear two (15) is fixedly connected with transmission wheel (16), the other end of the transmission wheel (16) is fixedly connected with conveyor belt (11).

6. A plastic shredder for injection molding according to claim 1, characterized in that: The half gear (3) is fixedly connected with driver (17), and the conveyor belt (11) is fixedly installed with the protection plate (18).

Images