CN212045689U

CN212045689U - Injection molding machine for plastic product processing

Info

Publication number: CN212045689U
Application number: CN202020421719.3U
Authority: CN
Inventors: 周小文
Original assignee: Guangdong Jiayumei Packaging Technology Co ltd
Current assignee: Guangdong Jiayumei Packaging Technology Co ltd
Priority date: 2020-03-28
Filing date: 2020-03-28
Publication date: 2020-12-01
Anticipated expiration: 2030-03-28

Abstract

The utility model belongs to the technical field of injection moulding equipment, a an injection molding machine for plastic products processing is disclosed, including the hopper subassembly, the hopper subassembly includes: the outer hopper of hopper form, locate the inner hopper of hopper form in the outer hopper, locate outer hopper with be used for connecting between the inner hopper outer hopper with the connecting block of inner hopper, the lower part of outer hopper is fixed in the frame, the inner hopper with the frame interval sets up. Compared with the prior art, the utility model relates to an injection molding machine for plastic products processing is cut apart the outer hopper that is used for the support with the hopper subassembly for the connecting block of connecting is used for the inlayer hopper of unloading. Can effectively prevent the heating member to influence the plastics that are in the hopper subassembly, avoid plastics to be heated to melt the bonding, effectively solve the problem that the hopper blockked up.

Description

Injection molding machine for plastic product processing

Technical Field

The utility model belongs to the technical field of injection moulding equipment, concretely relates to an injection molding machine for plastic products processing.

Background

In the process of processing and forming plastic products, injection molding equipment is generally used, plastic particles are placed into the injection molding machine, the plastic particles are heated to be molten by a heating element in the injection molding equipment, the plastic particles are injected into a plastic mold of a corresponding product, the plastic is demoulded after being cooled, and redundant materials such as redundant gate columns and the like are removed, so that the injection molding of the plastic product is completed. The injection molding apparatus includes: the device comprises a hopper for adding granular plastic, a screw injection mechanism for propelling and injecting the molten plastic, and a heating element which is annularly arranged outside the screw injection mechanism and is used for heating and melting the solid granular plastic. The hopper in the related art is a simple hopper-shaped structure and the bottom of the hopper is arranged close to the heating member. The related art is not enough in that in the using process of the injection molding equipment, after single injection is completed, next injection can be carried out only after waiting for pressure maintaining, cooling and blanking of a mold, so that plastic in the hopper is in an intermittent blanking state, and if the waiting time is too long or the temperature control is not good, granular plastic below the hopper is influenced by the temperature of a heating element, so that molten plastic blocks are bonded, a blanking opening is blocked, and normal production is influenced.

Therefore, there is a need to provide a new injection molding machine for plastic product processing to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed at, disclose an injection molding machine for plastic products processing, it can effectively avoid the granule plastics of hopper below to be heated and melt to effectively prevent injection molding machine feed opening blocking.

The utility model provides a technical scheme that its technical problem adopted is: for solving the technical problem who mentions among the background art, the utility model provides an injection molding machine for plastic products processing, which comprises a frame, the frame top is equipped with the hopper subassembly, be equipped with in the frame and form the injection heating chamber in it, the injection heating intracavity is equipped with screw injection mechanism, screw injection mechanism outer loop is equipped with heat the piece, wherein, the hopper subassembly includes: the outer hopper of hopper form, locate the inner hopper of hopper form in the outer hopper, locate outer hopper with be used for connecting between the inner hopper outer hopper with the connecting block of inner hopper, the lower part of outer hopper is fixed in the frame, the inner hopper with the frame interval sets up.

Preferably, the outer side of the inner layer hopper, which is in contact with the connecting block, is provided with a heat insulation ring made of heat-resistant plastic.

Preferably, the outside of heat insulating ring is equipped with the joint arch, the joint arch is for following the cuboid form that the axial of heat insulating ring set up, the outer wall of connecting block be equipped with sunken form with the protruding complex draw-in groove of joint, the draw-in groove is including the first groove and the second groove that communicate in order, the first groove with the parallel and setting of staggering in second groove, the first groove is followed the axial setting of heat insulating ring, the joint arch accept in the second inslot.

Preferably, the connecting block is arranged at one end of the inner layer hopper far away from the rack.

Preferably, the outer wall of the inner layer hopper is provided with a bulge.

Preferably, the protrusions are uniformly distributed on the inner wall of the inner layer hopper.

Preferably, the heat insulating ring is made of heat-resistant plastic.

Preferably, the hopper assembly further comprises a cooling water pipe annularly arranged on the outer layer hopper.

Preferably, the cooling water pipe is arranged at one end of the outer layer hopper close to the rack.

Preferably, the cooling water pipe is made of a metal material.

Compared with the prior art, the utility model relates to an injection molding machine for plastic products processing is cut apart the outer hopper that is used for the support with the hopper subassembly for the connecting block of connecting for the inlayer hopper of unloading can effectively hinder but adds the heat-insulating material to the plastics influence that is in the hopper subassembly, avoids plastics to be heated and melts the bonding, has effectively solved the problem that the hopper blockked up.

Drawings

Fig. 1 is a schematic overall structure diagram of an injection molding machine for processing plastic products according to the present invention;

FIG. 2 is a perspective view of a hopper assembly of an injection molding machine for plastic product processing in accordance with the present invention;

fig. 3 is a cross-sectional view of a hopper assembly of an injection molding machine for plastic product processing according to the present invention.

In the figure:

1. the screw injection molding machine comprises a machine frame, a hopper assembly, a screw injection mechanism, a heating element, a cooling water pipe, an injection heating cavity, an outer layer hopper, an inner layer hopper, a connecting block, a heat insulation ring, a protrusion, a clamping groove, a first groove 2311, a first groove 2312 and a second groove, wherein the injection heating cavity is 11, the outer layer hopper is 21, the inner layer hopper is 22, the connecting block is 23, the heat insulation ring is 24, the protrusion is 221, the clamping groove is 231; 241. and clamping the protrusion.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

Referring to fig. 1-3, an injection molding machine for plastic product processing comprises a frame 1, a hopper assembly 2 is arranged above the frame 1, an injection heating cavity 11 is formed in the frame 1, a screw injection mechanism 3 is arranged in the injection heating cavity 11, and a heating element 4 is arranged on the outer ring of the screw injection mechanism 3, wherein the hopper assembly 2 comprises: the hopper-shaped outer layer hopper 21, the hopper-shaped inner layer hopper 22 arranged in the outer layer hopper 21 and the connecting block 23 arranged between the outer layer hopper 21 and the inner layer hopper 22 and used for connecting the outer layer hopper 21 and the inner layer hopper 22 are fixed on the frame 1, and the inner layer hopper 22 and the frame 1 are arranged at intervals. The heat insulating ring 24 is made of heat-resistant plastic.

In this embodiment, the inner hopper 22 is used for feeding granular plastic into the injection heating chamber 11, heating the plastic granules by the heating element 4 until the plastic granules are melted, injecting the melted plastic into a plastic mold corresponding to the product under the action of the screw injection mechanism 3, demolding after the plastic is cooled, and removing redundant materials such as redundant gate columns, thereby completing the injection molding of the plastic product. In this embodiment, inlayer hopper 22 direct contact granule plastics are used for granule plastics to add, and inlayer hopper 22 sets up with frame 1 interval, can effectively hinder and come from heating member 4 and transmit on inlayer hopper 22 again for the heat of frame 1, effectively avoids plastics to be heated the caking and bonds, can effectively avoid the probability that the feed opening blockked up. The outer layer hopper 21 is used to provide support for the placement of the inner layer hopper 22. In the present embodiment, the hopper assembly 2 is divided into an outer hopper 21 for supporting, a connecting block 23 for connecting, and an inner hopper 22 for discharging, by the creation of division. Effectively blocking the influence of the heating elements 4 on the plastic material located in the hopper assembly 2. Avoid the bonding of the materials by heating and melting.

As another embodiment of the present invention, the outer side of the inner hopper 22 contacting the connecting block 23 is provided with a heat insulating ring 24 made of heat-resistant plastic. In this embodiment, the heat insulating ring 24 is used to form a heat insulating layer for further blocking the heat conduction from the outer hopper 21 to the inner hopper 22.

As another embodiment of the present invention, the outer side of the heat insulation ring 24 is provided with a clamping protrusion 241, the clamping protrusion 241 is a cuboid shape arranged along the axial direction of the heat insulation ring 24, the outer wall of the connecting block 23 is provided with a recessed clamping groove 231 matched with the clamping protrusion 241, the clamping groove 231 comprises a first groove 2311 and a second groove 2312 which are sequentially communicated, the first groove 2311 and the second groove 2312 are arranged in parallel and staggered, the first groove 2311 is arranged along the axial direction of the heat insulation ring 24, and the clamping protrusion 241 is accommodated in the second groove 2312. In this embodiment, the clamping protrusion 241 and the clamping groove 231 cooperate to realize detachable connection between the inner layer hoppers 22. Specifically, the clamping protrusion 241 can slide along the first groove 2311, and the outer layer hopper 21 is rotated after the clamping protrusion 241 reaches the bottom, so that the clamping protrusion 241 enters the second groove 2312 to realize clamping.

As another embodiment of the present invention, the connecting block 23 is disposed at one end of the inner hopper 22 away from the frame 1. In this embodiment, the connecting block 23 is far from the frame 1, which is beneficial to further improving the heat insulation effect.

In another embodiment of the present invention, the outer wall of the inner hopper 22 is provided with a dot-shaped protrusion 221. The dot-shaped protrusions 221 are uniformly distributed on the inner wall of the inner hopper 22. The design is favorable for reducing the contact area and further improving the heat insulation effect.

As another embodiment of the present invention, the hopper assembly 2 further includes a cooling water pipe 5 surrounding the outer hopper 21. The cooling water pipe 5 is arranged at one end of the outer layer hopper 21 close to the frame 1. The cooling water pipe 5 is made of a metal material. When in use, cooling water is introduced into the cooling water pipe 5, so that the heat of the outer layer hopper 21 can be taken away in time. The location and material selection of the cooling water pipes 5 are advantageous for improving the cooling effect. The cooling water pipe 5 is arranged to form a water cooling structure, so that plastic below the hopper can be prevented from being blocked by heat, and long-term stable operation of the equipment is ensured. Compared with the prior art, the utility model relates to an injection molding machine for plastic products processing is cut apart the outer hopper that is used for the support with the hopper subassembly for the connecting block of connecting is used for the inlayer hopper of unloading. Can effectively prevent the heating member to influence the plastics that are in the hopper subassembly, avoid plastics to be heated to melt the bonding, effectively solve the problem that the hopper blockked up.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an injection molding machine for plastic products processing, includes the frame, the frame top is equipped with the hopper subassembly, be equipped with in the frame and form its interior injection heating chamber, the injection heating intracavity is equipped with screw injection mechanism, the outer ring of screw injection mechanism is equipped with heating member, its characterized in that, the hopper subassembly includes: the outer hopper of hopper form, locate the inner hopper of hopper form in the outer hopper, locate outer hopper with be used for connecting between the inner hopper outer hopper with the connecting block of inner hopper, the lower part of outer hopper is fixed in the frame, the inner hopper with the frame interval sets up.

2. An injection molding machine for plastic product processing as claimed in claim 1, wherein an outer side of said inner layer hopper contacting said connection block is provided with a heat insulating ring made of heat-resistant plastic.

3. An injection molding machine for plastic product processing according to claim 2, wherein the outside of the heat insulating ring is provided with a clamping protrusion, the clamping protrusion is a cuboid shape arranged along the axial direction of the heat insulating ring, the outer wall of the connecting block is provided with a clamping groove which is formed by depression and matched with the clamping protrusion, the clamping groove comprises a first groove and a second groove which are communicated in sequence, the first groove and the second groove are parallel and staggered, the first groove is arranged along the axial direction of the heat insulating ring, and the clamping protrusion is accommodated in the second groove.

4. An injection molding machine for plastic product processing as claimed in claim 3, wherein said connecting block is disposed at an end of said inner hopper remote from said frame.

5. An injection molding machine for plastic product processing as claimed in claim 4, wherein the outer wall of said inner layer hopper is provided with a protrusion.

6. An injection molding machine for plastic product processing as claimed in claim 5, wherein said protrusions are evenly distributed on the inner wall of said inner hopper.

7. An injection molding machine for the processing of plastic articles as claimed in claim 6, wherein said heat insulating ring is made of a heat resistant plastic.

8. An injection molding machine for plastic part processing as claimed in any one of claims 1-7, wherein said hopper assembly further comprises a cooling water pipe disposed around said outer layer hopper.

9. An injection molding machine for plastic product processing as claimed in claim 8, wherein said cooling water pipe is provided at an end of said outer hopper adjacent to said frame.

10. An injection molding machine for plastic article processing as claimed in claim 9, wherein said cooling water pipe is made of a metal material.