CN217346382U

CN217346382U - Silica gel post forming die

Info

Publication number: CN217346382U
Application number: CN202220209074.6U
Authority: CN
Inventors: 涂爱琴; 张健
Original assignee: ZHONGSHAN XIONGBING RUBBER CO Ltd
Current assignee: ZHONGSHAN XIONGBING RUBBER CO Ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-09-02
Anticipated expiration: 2032-01-25

Abstract

The utility model discloses a silica gel post forming mould, including lower die body, well die body and last die body, be equipped with undercut lower die cavity on the die body down, well die body embedding is in the die cavity down be equipped with the die cavity that runs through from top to bottom on the well die body, be equipped with in the die cavity down and upwards extend to mold core in the die cavity, it is in to go up the die body setting well die body with on the die cavity down, the die cavity with form between the mold core and be used for carrying out the fashioned shaping chamber of secondary connection with first working of plastics and second working of plastics, well die body and go up be equipped with on the die body with the runner of shaping chamber intercommunication. That is, before processing, the first plastic part and the second plastic part are put into the molding cavity, and the upper mold body and the middle mold body are combined. And after the die is assembled, injecting a silica gel material into the molding cavity through the flow channel, molding in the molding cavity through the silica gel material, and connecting the first plastic part and the second plastic part to finish the secondary molding processing.

Description

Silica gel post forming die

Technical Field

The utility model relates to a silica gel post forming mould.

Background

In some modern plastic products, deformations can be implemented in order to realize the product. The two plastic parts are typically joined together using silicone. In this case the silicone joint can be deformed. However, the existing mold corresponding to the two plastic parts connected by silica gel is too complex in overall structure and is not beneficial to production. And does not meet the production requirements.

Therefore, a silica gel secondary forming mold is urgently needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a silica gel post forming mould.

The silica gel secondary forming die designed according to the purpose comprises a lower die body, a middle die body and an upper die body;

the improved die is characterized in that a lower die groove which is sunken downwards is formed in the lower die body, the middle die body is embedded into the lower die groove, a die cavity which penetrates through the middle die body from top to bottom is formed in the middle die body, a die core which extends upwards into the die cavity is arranged in the lower die groove, the upper die body is arranged on the middle die body and the lower die groove, a forming cavity which is used for performing secondary connection forming on a first plastic piece and a second plastic piece is formed between the die cavity and the die core, and runners which are communicated with the forming cavity are formed in the middle die body and the upper die body.

Preferably, the flow channel comprises a first feeding channel arranged on the upper die body, a second feeding channel is arranged on the middle die body below the first feeding channel, one end of the second feeding channel is communicated with the first feeding channel, and the other end of the second feeding channel is communicated with the forming cavity.

Preferably, the middle mold body comprises two upper middle molds and two lower middle molds which are arranged in bilateral symmetry, the second feeding channel comprises a longitudinal channel arranged on the upper middle molds and a transverse channel arranged on the upper end face of the lower middle molds, the longitudinal channel is communicated with the transverse channel and the first feeding channel respectively, and the transverse channel is communicated with the molding cavity.

Preferably, the first feeding channel comprises a feeding cavity arranged on the upper die body, and a discharging hole communicated with the second feeding channel is arranged below the feeding cavity.

Preferably, the inner bottom surface of the lower die cavity is provided with a first positioning protruding portion, the lower end surface of the middle die body is provided with a first positioning groove matched with the first positioning protruding portion, and the first positioning protruding portion is embedded in the first positioning groove to achieve positioning and assembling.

Preferably, a second positioning protruding portion is arranged on the lower end face of the upper middle die, a second positioning groove matched with the second positioning protruding portion is arranged on the upper end face of the lower middle die, and the second positioning protruding portion is embedded in the second positioning groove to achieve positioning and assembling.

Preferably, a third positioning protruding portion is arranged on the end face, close to the other upper middle mold or the lower middle mold, of the upper middle mold or the lower middle mold, a third positioning groove matched with the third positioning protruding portion is arranged on the other upper middle mold or the lower middle mold, and the third positioning protruding portion is embedded into the third positioning groove to achieve positioning and assembling.

Preferably, the lower mold groove has a trapezoidal shape with a large top and a small bottom, and penetrates forward and backward.

The utility model has the advantages of simple and reasonable structure, production quality are good, stability is high, compare with current technique, be equipped with undercut lower die groove on the lower die body, well die body embedding is in the die groove down be equipped with the die cavity that runs through from top to bottom on the well die body be equipped with in the lower die groove and upwards extend to mold core in the die cavity, it is in to go up the die body setting well die body with on the die groove down, the die cavity with form between the die core and be used for carrying out the fashioned shaping chamber of secondary connection with first working of plastics and second working of plastics, well die body and go up be equipped with on the die body with the runner of shaping chamber intercommunication. That is, before processing, the first plastic part and the second plastic part are put into the molding cavity, and the upper mold body and the middle mold body are combined. And after the die is assembled, injecting a silica gel material into the molding cavity through the flow channel, molding in the molding cavity through the silica gel material, and connecting the first plastic part and the second plastic part to finish the secondary molding processing. The whole structure is simple, the operation is convenient, and the production requirement is met.

Drawings

Fig. 1 is one of the schematic sectional structural views of the present invention;

fig. 2 is a second schematic cross-sectional view of the present invention;

FIG. 3 is one of the exploded structural diagrams of the present invention;

fig. 4 is a second exploded view of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1 to 4, a silica gel secondary molding mold includes a lower mold body 10, an intermediate mold body 20, and an upper mold body 30;

the lower die body 10 is provided with a lower die groove 110 which is recessed downwards, the middle die body 20 is embedded in the lower die groove 110, a die cavity which penetrates through the middle die body 20 from top to bottom is arranged on the middle die body 20, a die core 112 which extends upwards into the die cavity is arranged in the lower die groove 110, the upper die body 30 is arranged on the middle die body 20 and the lower die groove 110, a forming cavity 100 which is used for performing secondary connection forming on a first plastic piece 40 and a second plastic piece 50 is formed between the die cavity and the die core 112, and a flow passage 80 which is communicated with the forming cavity 100 is arranged on the middle die body 20 and the upper die body 30. That is, before processing, the first plastic part and the second plastic part are put into the molding cavity, and the upper mold body and the middle mold body are combined. And after the die is assembled, injecting a silica gel material into the molding cavity through the flow channel, molding in the molding cavity through the silica gel material, and connecting the first plastic part and the second plastic part to finish the secondary molding processing. The whole structure is simple, the operation is convenient, and the production requirement is met.

Referring to fig. 1 to 2, the flow channel 80 includes a first feed channel 310 disposed on the upper mold body 30, a second feed channel 210 is disposed on the middle mold body 20 below the first feed channel 310, and one end of the second feed channel 210 is communicated with the first feed channel 310, and the other end is communicated with the molding cavity 100.

Referring to fig. 1 to 2, the middle mold body 20 is composed of two upper middle molds 230 and two lower middle molds 220 symmetrically arranged in a left-right direction, the second feed channel 210 is composed of a longitudinal flow channel 211 arranged on the upper middle molds 230 and a transverse flow channel 212 arranged on an upper end surface of the lower middle molds 220, the longitudinal flow channel 211 is respectively communicated with the transverse flow channel 212 and the first feed channel 310, and the transverse flow channel 212 is communicated with the molding cavity 100.

Referring to fig. 1 to 2, the first feeding channel 310 includes a feeding cavity 311 disposed on the upper die body 30, and a discharge hole 312 communicating with the second feeding channel 210 is disposed below the feeding cavity 311.

And (3) material injection flow: the silicone rubber enters the second feeding channel 210 from the feeding cavity 311 through the discharge port 312, and sequentially enters the transverse flow channel 212 from the longitudinal flow channel 211 and then enters the forming cavity 100 in the second feeding channel 210.

Further, the utility model discloses in, be equipped with first location bellying 111 on the interior bottom surface of lower die cavity 110, be equipped with on the lower terminal surface of well die body 20 with first location recess 221 of first location bellying 111 complex, first location bellying 111 imbeds to be in realize the location equipment in the first location recess 221. Through the location equipment, can be effectual through the packaging efficiency and guarantee the combination leakproofness of mould, improve product processingquality.

Further, the utility model discloses in, be equipped with second location bellying 231 on the lower terminal surface of last well mould 230, be equipped with on the upper end surface of well mould 220 down with second location bellying 231 complex second positioning groove 222, second location bellying 231 imbeds to be in realize the location equipment in the second positioning groove 222. Through the location equipment, can be effectual through the packaging efficiency and guarantee the combination leakproofness of mould, improve product processingquality.

Further, the utility model discloses in, go up well mould 230 or well mould 220 is close to another and goes up well mould 230 or be equipped with third location bellying 70 on the terminal surface of well mould 220 down, another go up well mould 230 or be equipped with on the well mould 220 down with third location bellying 70 complex third positioning groove 60, third location bellying 70 imbeds realize the location equipment in the third positioning groove 60, through the location equipment, can effectually pass through the packaging efficiency and guarantee the combination leakproofness of mould, improve product processingquality.

Further, the utility model discloses in, die cavity 110 is big-end-up and down and the trapezoidal form that runs through around, is convenient for decompose and assemble the mould, raises the efficiency, and it is required to accord with production.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience of description and for simplicity of description, rather than to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention, the terms "first" and "second" are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a silica gel post forming mould which characterized in that: comprises a lower die body (10), a middle die body (20) and an upper die body (30);

the improved plastic injection molding die is characterized in that a lower die groove (110) which is recessed downwards is formed in the lower die body (10), the middle die body (20) is embedded into the lower die groove (110), a die cavity which penetrates through the middle die body (20) from top to bottom is formed in the middle die body (20), a die core (112) which extends upwards into the die cavity is arranged in the lower die groove (110), the upper die body (30) is arranged on the middle die body (20) and the lower die groove (110), a molding cavity (100) which is used for performing secondary connection molding on a first plastic part (40) and a second plastic part (50) is formed between the die cavity and the die core (112), and runners (80) which are communicated with the molding cavity (100) are formed in the middle die body (20) and the upper die body (30).

2. The secondary silica gel molding mold according to claim 1, characterized in that: the runner (80) comprises a first feeding channel (310) arranged on the upper die body (30), a second feeding channel (210) is arranged on the middle die body (20) below the first feeding channel (310), one end of the second feeding channel (210) is communicated with the first feeding channel (310), and the other end of the second feeding channel (210) is communicated with the forming cavity (100).

3. The secondary silica gel molding mold according to claim 2, characterized in that: well die body (20) constitute by two middle mould (230) and two middle mould (220) down of going up that bilateral symmetry set up, second feed channel (210) are including setting up vertical runner (211) on last middle mould (230) and setting are in horizontal runner (212) on the up end of lower middle mould (220) are constituteed, vertical runner (211) respectively with horizontal runner (212) with first feed channel (310) intercommunication, horizontal runner (212) with become die cavity (100) intercommunication.

4. The silica gel secondary molding mold according to claim 2 or 3, characterized in that: the first feeding channel (310) comprises a feeding cavity (311) arranged on the upper die body (30), and a discharging hole (312) communicated with the second feeding channel (210) is arranged below the feeding cavity (311).

5. The secondary silicone molding die according to any one of claims 1 to 3, wherein: the inner bottom surface of the lower die cavity (110) is provided with a first positioning protruding part (111), the lower end surface of the middle die body (20) is provided with a first positioning groove (221) matched with the first positioning protruding part (111), and the first positioning protruding part (111) is embedded into the first positioning groove (221) to realize positioning and assembling.

6. The secondary silicone molding mold of claim 3, wherein: the lower end face of the upper middle die (230) is provided with a second positioning protruding part (231), the upper end face of the lower middle die (220) is provided with a second positioning groove (222) matched with the second positioning protruding part (231), and the second positioning protruding part (231) is embedded into the second positioning groove (222) to realize positioning and assembling.

7. The secondary silicone molding mold of claim 3, wherein: go up well mould (230) or well mould (220) down is close to another and goes up well mould (230) or be equipped with third location bellying (70), another on well mould (230) or be equipped with on well mould (220) down with third location bellying (70) complex third positioning groove (60), third location bellying (70) embedding is in realize the location equipment in third positioning groove (60).

8. The secondary silicone molding mold according to any one of claims 1 to 3, wherein: the lower die cavity (110) is in a ladder shape with a large upper part and a small lower part and penetrating through the upper part and the lower part.