CN218660272U

CN218660272U - Injection molding machine mold for producing plastic frame

Info

Publication number: CN218660272U
Application number: CN202222058008.6U
Authority: CN
Inventors: 容奇炳; 王晓燕; 朱金鑫
Original assignee: Qingdao Unique Molding Co ltd
Current assignee: Qingdao Unique Molding Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-03-21
Anticipated expiration: 2032-08-05

Abstract

The utility model relates to an injection molding machine mould for producing plastic frames, which comprises a box body, a frame, a top plate, an upper movable mould and a lower mould, wherein the frame is arranged at the top of the box body, the top plate is arranged at the upper part of the frame, and a processing injection molding space is formed between the top plate and the frame; the top plate is provided with a lifting cylinder arranged along the vertical direction, the upper movable die is provided with a material refining unit at the lower part of the upper movable die, and the upper movable die is in sliding fit with the frame and is driven by the lifting cylinder to lift; and a lower fixed die corresponding to the upper movable die is arranged at the bottom in the frame, and an injection molding cavity is formed between the lower fixed die and the upper movable die. The utility model has the advantages that: through the cooperation of last movable mould and lower cover half, realized the stability when moulding plastics, simultaneously, because the setting of refining unit for the injection molding material has accomplished even packing at the intracavity of moulding plastics, has reduced the rejection rate of product, has improved work efficiency.

Description

Injection molding machine mold for producing plastic frame

Technical Field

The utility model relates to an injection molding machine mould for producing plastic frame belongs to the plastic products field.

Background

Plastic frames are widely used in food industry, in the field of plastic product production, finished plastic products and plastic parts are usually produced by using a mold, injection molding materials are difficult to fill and flow in an injection molding cavity, and injection molding defects are caused by uneven distribution of the injection molding materials, so that the rejection rate is high, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

For overcoming prior art's defect, the utility model provides an injection molding machine mould for producing plastic frame, the technical scheme of the utility model is:

the injection molding machine mold for producing the plastic frame comprises a box body, a frame, a top plate, an upper movable mold and a lower fixed mold, wherein the frame is installed at the top of the box body, the top plate is installed at the upper part of the frame, and a processing injection molding space is formed between the top plate and the frame; the top plate is provided with a lifting cylinder arranged along the vertical direction, the upper movable die is provided with a material homogenizing unit at the lower part of the upper movable die, and the upper movable die is in sliding fit with the frame and is driven by the lifting cylinder to lift; a lower fixed die corresponding to the upper movable die is mounted at the bottom in the frame, and an injection molding cavity is formed between the lower fixed die and the upper movable die; the material homogenizing unit comprises a material box, a partition plate is arranged in the material box and divides a material cavity in the material box into an upper material collecting cavity and a lower material distributing cavity, flow guide holes communicated with the material collecting cavity and the material distributing cavity are formed in the partition plate, a plurality of radially distributed flow channels are arranged in the material box, and all the flow channels are communicated with the injection molding cavity; the material collecting cavity is communicated with a material inlet pipe, the material inlet end of the material inlet pipe is arranged on the top plate, and the material inlet end of the material inlet pipe is detachably provided with a plug.

The upper moving die and the lower fixed die are provided with buffer parts, and the two buffer parts are symmetrically arranged in the frame.

The buffer piece is a damping spring, the upper end of the damping spring is connected to the upper movable die, and the lower end of the damping spring is connected to the lower fixed die.

The injection molding machine is characterized in that a vacuum pump is installed in the box body, one end of an exhaust pipe is communicated with the injection molding cavity, the other end of the exhaust pipe is communicated with the vacuum pump, a control valve is installed on the exhaust pipe close to one end of the injection molding cavity, the control valve, the vacuum pump and the lifting cylinder are all connected to a control panel, and the control panel is installed outside the frame.

The utility model has the advantages that: through the cooperation of last movable mould and lower cover half, realized the stability when moulding plastics, simultaneously, because the setting of refining unit for the injection molding material has accomplished even packing at the intracavity of moulding plastics, has reduced the rejection rate of product, has improved work efficiency.

Drawings

Fig. 1 is a schematic view of the main structure of the present invention.

Fig. 2 is a schematic structural view of the upper moving die in fig. 1.

Fig. 3 is a schematic view of the refining unit of fig. 1.

Detailed Description

The invention will be further described with reference to specific embodiments, the advantages and features of the invention will become more apparent as the description proceeds. These examples are merely illustrative and do not limit the scope of the invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications are intended to be included within the scope of the invention.

Referring to fig. 1 to 3, the utility model relates to an injection molding machine mold for producing plastic frames, comprising a box body 1, a frame 2, a top movable mold 5 and a bottom fixed mold 9 on a top plate 3, wherein the top of the box body 1 is provided with the frame 2, the top plate 3 is arranged on the upper part of the frame 2, and a processing injection molding space is formed between the top plate and the frame 2; a lifting cylinder 4 arranged along the vertical direction is arranged on the top plate 3, the upper movable die 5 is arranged, a material refining unit is arranged at the lower part of the upper movable die 5, and the upper movable die 5 is in sliding fit with the frame 2 and driven to lift by the lifting cylinder 4; a lower fixed die 9 corresponding to the upper movable die is mounted at the bottom in the frame 2, and an injection molding cavity 10 is formed between the lower fixed die 9 and the upper movable die 5; the material homogenizing unit comprises a material box 14, a partition plate 15 is arranged in the material box 14, the partition plate 15 divides a material cavity in the material box 14 into an upper material collecting cavity 16 and a lower material distributing cavity 18, a flow guide hole 17 for communicating the material collecting cavity 16 with the material distributing cavity 18 is formed in the partition plate 15, a plurality of flow passages 19 distributed in a radial shape are formed in the material box 14, and all the flow passages 19 are communicated with the injection molding cavity 10; the aggregate cavity 16 is communicated with a feeding pipe 7, the feeding end of the feeding pipe 7 is arranged on the top plate 3, and a plug 6 is detachably arranged at the feeding end of the feeding pipe 7.

And buffer parts are arranged between the upper movable die 3 and the lower fixed die 9, and the two buffer parts are symmetrically arranged in the frame 2.

The buffer piece is a damping spring 8, the upper end of the damping spring 8 is connected to the upper movable die 3, and the lower end of the damping spring 8 is connected to the lower fixed die 9.

A vacuum pump 11 is arranged in the box body 1, one end of an exhaust pipe 12 is communicated with the injection molding cavity 10, the other end of the exhaust pipe is communicated with the vacuum pump 11, a control valve 13 is arranged on the exhaust pipe 12 close to one end of the injection molding cavity 10, the control valve 13, the vacuum pump 11 and the lifting cylinder 4 are all connected with a control panel 15, and the control panel 15 is arranged outside the framework 2.

The utility model discloses a theory of operation is:

the lifting cylinder 4 drives the upper movable die to move downwards, and the damping spring 8 is arranged between the upper movable die 5 and the lower fixed die 9, so that the stability in the descending process is ensured; when the upper movable die 5 runs to a preset position, an injection molding cavity 10 is formed between the upper movable die and the lower fixed die 9; the vacuum pump 11 and the control valve 13 are started, the injection molding cavity 10 is vacuumized, after the vacuumization is finished, the materials are fed into the material refining unit through the feeding pipe 7, the materials entering the material refining unit firstly enter the material collecting cavity 16, then enter the material distributing cavity 19 through the flow guide holes 17, and then flow into the injection molding cavity through the flow channel 19 for injection molding; after the injection molding is finished, the upper movable die 5 is separated from the lower fixed die 9 by the driving of the lifting cylinder, and the injection molding part is manufactured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The mold of the injection molding machine for producing the plastic frame is characterized by comprising a box body, a frame, a top plate, an upper movable mold and a lower fixed mold, wherein the frame is installed at the top of the box body, the top plate is installed at the upper part of the frame, and a processing injection molding space is formed between the top plate and the frame; the top plate is provided with a lifting cylinder arranged along the vertical direction, the upper movable die is provided with a material refining unit at the lower part of the upper movable die, and the upper movable die is in sliding fit with the frame and is driven by the lifting cylinder to lift; a lower fixed die corresponding to the upper movable die is mounted at the bottom in the frame, and an injection molding cavity is formed between the lower fixed die and the upper movable die; the material homogenizing unit comprises a material box, a partition plate is arranged in the material box and divides a material cavity in the material box into an upper material collecting cavity and a lower material distributing cavity, flow guide holes communicated with the material collecting cavity and the material distributing cavity are formed in the partition plate, a plurality of radially distributed flow channels are arranged in the material box, and all the flow channels are communicated with the injection molding cavity; the material collecting cavity is communicated with a material inlet pipe, the material inlet end of the material inlet pipe is arranged on the top plate, and the material inlet end of the material inlet pipe is detachably provided with a plug.

2. An injection molding machine mold for producing plastic frames as claimed in claim 1, wherein a cushion member is installed between said upper movable mold and said lower stationary mold, and two cushion members are symmetrically disposed in said frame.

3. An injection molding machine mold for producing a plastic frame as claimed in claim 2, wherein said cushion member is a damping spring having an upper end connected to said upper movable mold and a lower end connected to said lower stationary mold.

4. An injection molding machine mold for producing plastic frames as claimed in claim 3, wherein a vacuum pump is installed in said box, one end of the exhaust tube is connected to said injection molding cavity, the other end is connected to said vacuum pump, a control valve is installed on the exhaust tube near one end of the injection molding cavity, the control valve, the vacuum pump and the lifting cylinder are all connected to a control panel, and the control panel is installed outside said frame.