CN211616427U

CN211616427U - Precise injection mold for implanting PIN in automobile sensors

Info

Publication number: CN211616427U
Application number: CN201922308777.5U
Authority: CN
Inventors: 付海燕
Original assignee: Kunshan Diviz Precision Electronics Co ltd
Current assignee: Kunshan Diviz Precision Electronics Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-10-02
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses an accurate injection mold of PIN is planted to car sensor class, including the die holder, the die holder top is equipped with the chamber of moulding plastics, chamber one side fixedly connected with PIN needle cover of moulding plastics, the one end that the chamber of moulding plastics was kept away from to PIN needle cover is equipped with the connecting seat, first recess has been seted up on die holder top surface, the second recess has been seted up on die holder top surface, PIN needle inslot portion is equipped with PIN needle body. The utility model discloses a set up PIN needle locating piece, can carry out effectual protection to PIN needle body, through setting up draw-in groove and lug, can effectually prevent that PIN needle locating piece from producing in PIN needle cover and rocking, make the location grafting of PIN needle locating piece firmly in PIN needle cover, and then effectually avoided PIN needle body when moulding plastics because of receiving the problem that the easy emergence was rocked of fused heat flow impact, the effectual stability that improves PIN needle body.

Description

Precise injection mold for implanting PIN in automobile sensors

Technical Field

The utility model relates to an injection mold technical field, concretely relates to accurate injection mold of PIN is planted to car sensor class.

Background

With the rapid development of the plastic industry and the popularization and application of plastic products in the industrial sectors of aviation, aerospace, electronics, machinery, ships, automobiles and the like, the PIN is a common electronic connecting part comprising a PIN and a plastic shell, and the PIN is usually placed in an injection mold for injection molding.

But because the PIN needle is very tiny, the problem of rocking easily appears because of receiving the hot flow impact of melting among the injection molding process, and then leads to PIN needle to take place to damage, influences the effect of moulding plastics.

Therefore, it is necessary to invent a precise injection mold for implanting PIN in automobile sensors to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an accurate injection mold of PIN is planted to car sensor class, through setting up PIN needle locating piece, can carry out effectual protection to PIN needle body, through setting up draw-in groove and lug, can effectually prevent that PIN needle locating piece from producing in PIN needle cover and rocking, make the location grafting of PIN needle locating piece firmly in PIN needle cover, and then the effectual PIN needle body of having avoided takes place the problem of rocking because of receiving the easy emergence of fused heat flux impact when moulding plastics, the effectual stability that improves PIN needle body, with the above-mentioned weak point in the solution technology.

In order to achieve the above object, the present invention provides the following technical solutions: an injection molding cavity is arranged at the top end of the mold base, a PIN needle sleeve is fixedly connected to one side of the injection molding cavity, a connecting seat is arranged at one end, away from the injection molding cavity, of the PIN needle sleeve, a first groove is formed in the surface of the top end of the mold base, a second groove is formed in the surface of the top end of the mold base, one end of the first groove is communicated with the second groove, the inner side of the first groove is matched with the PIN needle sleeve, the inner side of the second groove is matched with the connecting seat, a PIN needle body is arranged inside the PIN needle sleeve, one end of the PIN needle body is fixedly connected with the inner wall of the PIN needle sleeve, the number of the PIN needle bodies is three, the three PIN needle bodies are uniformly distributed inside the PIN needle sleeve, a convex block is arranged inside the PIN needle sleeve, one end of the convex block is fixedly connected with the, the novel PIN sleeve is characterized in that the three convex blocks are uniformly distributed in the PIN sleeve, the convex blocks are arranged right above the PIN sleeve body, a PIN positioning block is fixedly connected to one end of the connecting seat, the inner side of the PIN sleeve is matched with the PIN positioning block, the PIN sleeve is movably inserted into the PIN positioning block, a clamping groove is formed in one end surface, far away from the connecting seat, of the PIN positioning block, the clamping groove is formed into three and three, one end of the clamping groove, far away from the connecting seat, of the PIN positioning block is uniformly distributed, a PIN slot is formed in the surface, far away from the connecting seat, of the PIN positioning block, the PIN slot is formed into three and three, and the PIN slot is uniformly distributed on the surface of the PIN positioning block, and the clamping groove is formed right.

Preferably, the inner side of the clamping groove is matched with the convex block, and the inner side of the clamping groove is movably clamped with the convex block.

Preferably, the inner side of the PIN needle slot is matched with the PIN needle body, and the inner side of the PIN needle slot is movably inserted into the PIN needle body.

Preferably, the constant head tank has been seted up on first recess bottom inner wall surface, PIN needle cover bottom fixedly connected with location inserted block, the constant head tank inboard matches with the location inserted block, the constant head tank inboard is pegged graft with the location inserted block activity.

Preferably, the PIN needle cover is internally provided with a guide block, and the bottom end of the guide block is fixedly connected with the inner wall of the PIN needle cover.

Preferably, a guide groove is formed in the surface of one side, away from the connecting seat, of the PIN needle positioning block, and the inner side of the guide groove is matched with the guide block.

In the technical scheme, the utility model provides a technological effect and advantage:

set up the location inserted block through the bottom at PIN needle cover, make PIN needle cover firmly fix a position on the die holder, the effectual problem of avoiding PIN needle cover when moulding plastics to produce the offset, through setting up PIN needle locating piece, can carry out effectual protection to PIN needle body, through setting up draw-in groove and lug, can effectually prevent that PIN needle locating piece from producing in PIN needle cover and rocking, make the location grafting of PIN needle locating piece firmly in PIN needle cover, and then the effectual PIN needle body of having avoided is strikeed the easy problem that takes place to rock because of receiving the fused heat current when moulding plastics, the effectual stability that improves PIN needle body.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

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

FIG. 2 is a schematic view of the whole structure of the die holder of the present invention;

fig. 3 is a schematic view of the whole structure of the PIN sleeve of the present invention;

FIG. 4 is a schematic view of the overall structure of the guide block of the present invention;

fig. 5 is a schematic view of the whole structure of the PIN positioning block of the present invention;

FIG. 6 is an enlarged view of the structure of part A of FIG. 1 according to the present invention;

fig. 7 is an enlarged view of a portion B of fig. 2 according to the present invention.

Description of reference numerals:

the injection molding device comprises a die holder 1, an injection molding cavity 2, a PIN needle sleeve 3, a connecting seat 4, a first groove 5, a second groove 6, a positioning groove 7, a positioning insertion block 8, a PIN needle body 9, a convex block 10, a PIN needle positioning block 11, a clamping groove 12, a PIN needle insertion groove 13, a guide block 14 and a guide groove 15.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a precise injection mold for implanting PIN in automobile sensors, as shown in figures 1-7, which comprises a mold base 1, wherein the top end of the mold base 1 is provided with an injection molding cavity 2, one side of the injection molding cavity 2 is fixedly connected with a PIN needle sleeve 3, one end of the PIN needle sleeve 3, which is far away from the injection molding cavity 2, is provided with a connecting seat 4, the top end surface of the mold base 1 is provided with a first groove 5, the top end surface of the mold base 1 is provided with a second groove 6, one end of the first groove 5 is communicated with the second groove 6, the inner side of the first groove 5 is matched with the PIN needle sleeve 3, the inner side of the second groove 6 is matched with the connecting seat 4, a PIN needle body 9 is arranged inside the PIN needle sleeve 3, one end of the PIN needle body 9 is fixedly connected with the inner wall of the PIN needle sleeve 3, the number of the PIN needle bodies 9, the PIN sleeve 3 is internally provided with three convex blocks 10, one end of each convex block 10 is fixedly connected with the inner wall of the PIN sleeve 3, the number of the convex blocks 10 is three, the three convex blocks 10 are uniformly distributed in the PIN sleeve 3, the convex blocks 10 are arranged right above the PIN body 9, one end of the connecting seat 4 is fixedly connected with a PIN positioning block 11, the inner side of the PIN sleeve 3 is matched with the PIN positioning block 11, the PIN sleeve 3 is movably inserted with the PIN positioning block 11, the surface of one end, far away from the connecting seat 4, of the PIN positioning block 11 is provided with three clamping grooves 12, the three clamping grooves 12 are uniformly distributed at one end, far away from the connecting seat 4, of the PIN positioning block 11, the surface, far away from the connecting seat 4, of the PIN positioning block 11 is provided with three PIN inserting grooves 13, the number of the PIN inserting grooves 13 is three, and the three PIN inserting grooves 13 are uniformly distributed on the surface of the PIN positioning, the card slot 12 is arranged right above the PIN slot 13.

Further, in the above technical scheme, the inner side of the slot 12 is matched with the bump 10, the inner side of the slot 12 is movably clamped with the bump 10, and the PIN positioning block 11 can be effectively prevented from shaking in the PIN sleeve 3 through the slot 12 and the bump 10;

further, in the above technical solution, the inner side of the PIN slot 13 is matched with the PIN body 9, the inner side of the PIN slot 13 is movably inserted into the PIN body 9, the PIN body 9 is inserted into the PIN slot 13 of the PIN positioning block 11, and the PIN body 9 can be effectively protected through the PIN slot 13;

further, in the above technical scheme, a positioning groove 7 is formed in the surface of the inner wall of the bottom end of the first groove 5, a positioning insert block 8 is fixedly connected to the bottom end of the PIN sleeve 3, the inner side of the positioning groove 7 is matched with the positioning insert block 8, the inner side of the positioning groove 7 is movably inserted into the positioning insert block 8, and the PIN sleeve 3 is firmly positioned on the die holder 1 through the positioning insert block 8 and the positioning groove 7;

further, in the above technical scheme, a guide block 14 is arranged inside the PIN sleeve 3, and the bottom end of the guide block 14 is fixedly connected with the inner wall of the PIN sleeve 3;

further, in the above technical solution, a guide groove 15 is formed in a surface of one side of the PIN needle positioning block 11, which is far away from the connecting seat 4, an inner side of the guide groove 15 is matched with the guide block 14, the guide block 14 is arranged in the PIN needle guard 3, the guide groove 15 is arranged on the PIN needle positioning block 11, and the PIN needle positioning block 11 is inserted into the PIN needle guard 3 along the guide block 14 in the PIN needle guard 3 through the guide groove 15;

the implementation mode is specifically as follows: when the injection molding machine is used, the bottom end of the PIN needle sleeve 3 is provided with the positioning insertion block 8, the first groove 5 matched with the PIN needle sleeve 3 on the die holder 1 is internally provided with the positioning groove 7, the PIN needle sleeve 3 is placed on the first groove 5, the positioning insertion block 8 is inserted into the positioning groove 7, the PIN needle sleeve 3 is firmly positioned on the die holder 1, the problem that the position of the PIN needle sleeve 3 is deviated during injection molding is effectively avoided, the PIN needle positioning block 11 is inserted into the PIN needle sleeve 3 through the arrangement of the PIN needle positioning block 11, the PIN needle body 9 is inserted into the PIN needle insertion groove 13 on the PIN needle positioning block 11 at the moment, the PIN needle body 9 can be effectively protected through the PIN needle insertion groove 13, the PIN needle body 9 is prevented from being damaged, the convex block 10 is arranged above the PIN needle body 9, the clamping groove 12 is arranged above the PIN needle insertion groove 13, the convex block 10 is inserted into the clamping groove 12 when the PIN needle body 9 is inserted into the PIN needle insertion groove 13, the PIN needle positioning block 11 can be effectively prevented from shaking in the PIN needle sleeve 3 through the clamping groove 12 and the convex block 10, so that the PIN needle positioning block 11 is firmly positioned and inserted in the PIN needle sleeve 3, thereby effectively avoiding the problem that the PIN needle body 9 is easy to shake due to the impact of molten heat flow during injection molding, effectively improving the stability of the PIN needle body 9, arranging a guide block 14 in the PIN needle sleeve 3, the PIN needle positioning block 11 is provided with a guide groove 15, the PIN needle positioning block 11 is inserted into the PIN needle sleeve 3 along the guide block 14 in the PIN needle sleeve 3 through the guide groove 15, further, the PIN needle body 9 is accurately aligned with the PIN needle insertion groove 13 in the process of inserting the PIN needle positioning block 11 into the PIN needle sleeve 3, the problem that the PIN needle body 9 is damaged in the process of inserting the PIN needle positioning block 11 into the PIN needle sleeve 3 is effectively solved, this embodiment has specifically solved the problem that has to mould in-process PIN needle among the prior art and appear because of receiving the easy emergence of rocking of fused heat flow impact.

This practical theory of operation:

referring to the attached drawings 1-7 of the specification, the bottom end of the PIN needle guard 3 is provided with the positioning insertion block 8, the die holder 1 is provided with the positioning groove 7 in the first groove 5 matched with the PIN needle guard 3, the PIN needle guard 3 is placed on the first groove 5, the positioning insertion block 8 is inserted into the positioning groove 7, the PIN needle guard 3 is firmly positioned on the die holder 1, the PIN needle positioning block 11 is inserted into the PIN needle guard 3 by arranging the PIN needle positioning block 11, the PIN needle body 9 is inserted into the PIN needle insertion groove 13 on the PIN needle positioning block 11 at the moment, the PIN needle body 9 can be effectively protected by the PIN needle insertion groove 13, the convex block 10 is arranged above the PIN needle body 9, the clamping groove 12 is arranged above the PIN needle insertion groove 13, the convex block 10 can be inserted into the PIN needle groove 12 while the PIN needle body 9 is inserted into the PIN needle insertion groove 13, and the PIN needle positioning block 11 can be effectively prevented from shaking in the PIN needle guard 3 by the clamping groove 12 and the convex block 10, the PIN needle is characterized in that a PIN needle positioning block 11 is firmly positioned and inserted into a PIN needle sleeve 3, a guide block 14 is arranged in the PIN needle sleeve 3, a guide groove 15 is formed in the PIN needle positioning block 11, the PIN needle positioning block 11 is inserted into the PIN needle sleeve 3 along the guide block 14 in the PIN needle sleeve 3 through the guide groove 15, and then the PIN needle positioning block 11 is inserted into the PIN needle sleeve 3, so that a PIN needle body 9 is accurately aligned with a PIN needle slot 13.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a precision injection mold for implanting PIN of automobile sensor class, includes die holder (1), its characterized in that: the injection molding die is characterized in that an injection molding cavity (2) is formed in the top end of the die holder (1), a PIN needle sleeve (3) is fixedly connected to one side of the injection molding cavity (2), a connecting seat (4) is arranged at one end, far away from the injection molding cavity (2), of the PIN needle sleeve (3), a first groove (5) is formed in the top end surface of the die holder (1), a second groove (6) is formed in the top end surface of the die holder (1), one end of the first groove (5) is communicated with the second groove (6), the inner side of the first groove (5) is matched with the PIN needle sleeve (3), the inner side of the second groove (6) is matched with the connecting seat (4), PIN needle bodies (9) are arranged inside the PIN needle sleeve (3), one end of each PIN needle body (9) is fixedly connected with the inner wall of the PIN needle sleeve (3), the number of the PIN needle bodies (9) is three, and the three PIN needle, the PIN sleeve (3) is internally provided with three convex blocks (10), one end of each convex block (10) is fixedly connected with the inner wall of the PIN sleeve (3), the number of the convex blocks (10) is three, the three convex blocks (10) are uniformly distributed in the PIN sleeve (3), the convex blocks (10) are arranged right above the PIN body (9), one end of the connecting seat (4) is fixedly connected with PIN positioning blocks (11), the inner side of the PIN sleeve (3) is matched with the PIN positioning blocks (11), the PIN sleeve (3) is movably inserted into the PIN positioning blocks (11), the PIN positioning blocks (11) are far away from the surface of one end of the connecting seat (4) and provided with three clamping grooves (12), the three clamping grooves (12) are uniformly distributed at one end of the PIN positioning blocks (11) far away from the connecting seat (4), the PIN positioning blocks (11) are far away from the surface of the connecting seat (4) and provided with PIN slots (13), PIN needle slot (13) quantity establishes to three, three PIN needle slot (13) are evenly distributed on the surface of PIN needle locating piece (11), draw-in groove (12) are established directly over PIN needle slot (13).

2. The precision injection mold for implanting the PIN for the automobile sensors according to claim 1, is characterized in that: the inner side of the clamping groove (12) is matched with the lug (10), and the inner side of the clamping groove (12) is movably clamped with the lug (10).

3. The precision injection mold for implanting the PIN for the automobile sensors according to claim 1, is characterized in that: the inner side of the PIN needle slot (13) is matched with the PIN needle body (9), and the inner side of the PIN needle slot (13) is movably inserted into the PIN needle body (9).

4. The precision injection mold for implanting the PIN for the automobile sensors according to claim 1, is characterized in that: constant head tank (7) have been seted up to first recess (5) bottom inner wall surface, PIN needle cover (3) bottom fixedly connected with location inserted block (8), constant head tank (7) inboard matches with location inserted block (8), constant head tank (7) inboard is pegged graft with location inserted block (8) activity.

5. The precision injection mold for implanting the PIN for the automobile sensors according to claim 1, is characterized in that: the PIN needle sleeve (3) is internally provided with a guide block (14), and the bottom end of the guide block (14) is fixedly connected with the inner wall of the PIN needle sleeve (3).

6. The precision injection mold for implanting the PIN for the automobile sensors according to claim 5, wherein: a guide groove (15) is formed in the surface of one side, away from the connecting seat (4), of the PIN needle positioning block (11), and the inner side of the guide groove (15) is matched with the guide block (14).