CN219338383U - Tire pressure sensor shell injection mold - Google Patents

Abstract

The utility model discloses a tire pressure sensor shell injection mold, which comprises a mold plate seat, a fixed mold plate connected to the fixed mold plate seat and a driving mechanism, wherein the movable mold plate is provided with an upper mold core, the fixed mold plate is provided with a lower mold core, the driving mechanism is used for enabling the mold plate and the fixed mold plate to be opened or closed, when the mold plate and the fixed mold plate are closed, the upper mold core and the lower mold core are matched to form a mold cavity, the driving mechanism comprises an inner slide block structure used for positioning a package injection terminal inlaid on a tire pressure sensor shell, the inner slide block structure comprises an inner slide block arranged close to the mold cavity, and a positioning column on the inner slide block extends into a positioning hole on the package injection terminal when the mold plate and the fixed mold plate are closed, so that displacement deformation of the package injection terminal can not occur due to injection pressure during injection molding, the precision and firmness of the package injection terminal are ensured, the yield of plastic products is improved, and the stability and the quality of the plastic products are ensured.

Description

Tire pressure sensor shell injection mold

Technical Field

The utility model relates to the technical field of mold design, in particular to an injection mold for a tire pressure sensor shell.

Background

The injection molding processing method has the characteristics of low molding cost, short molding period, simple molding process, easiness in molding plastic products with complex shapes and the like, so that the injection molding processing method is extremely widely applied to the application field of plastic products. The plastic mould is one of the main tools for producing plastic products, after the mould is closed in the injection molding process, the injection molding machine injects the hot-melt plastic material into a closed cavity with a required shape in the mould at a high speed, and after the plastic material is cooled and solidified, the mould is opened to eject the solidified plastic product so as to obtain the molded product.

The tire pressure monitor shell is made of plastic materials and is usually processed by a matched die. The injection molding process needs to inlay the injection terminal on the tire pressure sensor shell, but because the limit of the mold space is received, the positioning accuracy and the firmness of the injection molding terminal are not high in the injection molding process of the tire pressure sensor shell, and products of injection molding defective products are easy to produce.

Disclosure of Invention

The utility model aims to solve the technical problem, and provides the injection mold for the tire pressure sensor shell, which ensures that a pack injection terminal cannot shift and deform due to injection pressure during injection molding, ensures the precision and firmness of the terminal pack injection, improves the yield of plastic products, and further ensures the stability and the quality of the plastic products.

In order to achieve the above purpose, the tire pressure sensor housing injection mold provided by the utility model comprises a movable mold plate seat, a fixed mold plate seat, a movable mold plate connected to the movable mold plate seat, a fixed mold plate connected to the fixed mold plate seat, and a driving mechanism, wherein the movable mold plate is provided with an upper mold core, the fixed mold plate is provided with a lower mold core, the driving mechanism is used for opening or closing the movable mold plate and the fixed mold plate, and when the movable mold plate and the fixed mold plate are closed, the upper mold core and the lower mold core are matched to form a mold cavity;

the driving mechanism comprises an inner sliding block structure for positioning the package shooting terminal embedded on the tire pressure sensor shell, the inner sliding block structure comprises an inner sliding block which is arranged close to the mold cavity and an inner sliding block transmission structure which can drive the inner sliding block to perform reset motion on the lower mold core, the inner sliding block transmission structure is used for enabling the inner sliding block to be close to or far away from the mold cavity, a terminal support used for supporting the package shooting terminal is arranged in the mold cavity, the terminal support is fixedly arranged on the lower mold core, the package shooting terminal is provided with a plurality of positioning holes, a plurality of positioning columns which are distributed at intervals are arranged on one side of the inner sliding block close to the mold cavity, and the positioning columns on the inner sliding block stretch into the positioning holes on the package shooting terminal when the mold plate and the fixed mold plate are assembled.

In some embodiments, the inner slide transmission structure comprises a first inclined guide post, an inner slide matched with the first inclined guide post, a pair of first pressing strips distributed on two sides of the inner slide, and a first cup head screw; the first inclined guide pillar is fixedly arranged on the first fixed block, the inner slide block is arranged on the lower die core in a sliding manner, a first inclined guide hole for the first inclined guide pillar to obliquely penetrate is formed in the inner slide block, the first pressing bar is arranged on the lower die core and used for limiting the sliding direction of the inner slide block, one end of the first cup head screw is fixed on the movable die plate, and the other end of the first cup head screw is fixedly connected with the first fixed block.

In some embodiments, the driving mechanism further comprises an outer slide block structure, wherein the outer slide block structure comprises an outer slide block close to the mold cavity, and an outer slide block transmission structure for linking the outer slide block and the movable mold plate, and the outer slide block can be connected with the power device so as to be close to or far from the mold cavity.

In some embodiments, the outer slide has a slide insert attached to a side of the outer slide adjacent the mold cavity, the slide insert having a molding surface disposed adjacent the mold cavity.

In some embodiments, the outer slide block transmission structure comprises a second inclined guide post, a second fixed block and a pair of second pressing strips which are respectively arranged at two sides of the outer slide block; the second inclined guide pillar is fixedly arranged on the second fixed block, the second fixed block is fixedly arranged on the movable mould plate, the outer slide block is arranged on the lower mould core in a sliding manner and is opposite to the inner slide block in position, a second inclined guide hole for the second inclined guide pillar to obliquely penetrate is formed in the outer slide block, and the second pressing bar is arranged on the lower mould core and used for limiting the sliding direction of the outer slide block.

In some embodiments, the drive mechanism further comprises a plurality of gripping structures for gripping the injection molded article.

In some embodiments, the clamping structure comprises a pair of clamping assemblies, wherein the clamping assemblies comprise a third inclined guide pillar, a clamping slide block matched with the third inclined guide pillar, a pair of third pressing strips respectively arranged at two sides of the clamping slide block, and a third cup head screw; the third inclined guide post is fixedly arranged on the third fixed block, the clamping slide block is slidably arranged on the upper die core, a third inclined guide hole for the inclined penetration of the third inclined guide post is formed in the clamping slide block, the clamping head is arranged in the die cavity of the lower die core in a penetrating manner and is flush with the cavity wall of the die cavity, the third pressing strip is arranged on the upper die core and used for limiting the sliding direction of the clamping slide block, one end of a third cup head screw is fixed on the movable die plate, and the other end of the first cup head screw is fixedly connected with the third fixed block; the inclination directions of the two inclined guide posts of the clamping structure are opposite.

In some embodiments, a plurality of sealing rubber blocks are arranged on one side of the inner sliding block, close to the mold cavity, at intervals, the sealing rubber blocks are made of high-temperature-resistant and non-deformable materials, and when the moving mold plate and the fixed mold plate are assembled, the sealing rubber blocks are in contact connection with the sealing rubber positions on the surfaces of the injection terminal.

In some embodiments, the glue block is made of PPO plastic material.

In some embodiments, the injection molding machine further comprises a plurality of ejector pins for ejecting the injection molding finished product out of the lower die core, wherein the ejector pins penetrate through the lower die core and can perform reset movement relative to the die cavity.

Compared with the prior art, the injection mold for the tire pressure sensor shell has the following beneficial effects:

when the die assembly of the die plate and the fixed die plate is carried out, the positioning column on the inner slide block stretches into the positioning hole on the injection terminal, so that the injection terminal cannot shift and deform due to injection pressure during injection, the precision and firmness of the injection terminal are guaranteed, the yield of plastic products is improved, and the stability and the quality of the plastic products are further guaranteed.

When the movable template and the fixed template are assembled, the glue sealing block on the inner slide block is in contact connection with the glue sealing position on the surface of the package injection terminal, so that the phenomenon that the surface of the package injection terminal is oxidized due to crush injury in the injection molding process is prevented, and the normal operation of a subsequent burning test is ensured.

The driving mechanism comprises an inner sliding block structure, an outer sliding block structure and each part of a clamping structure which are in linkage with each other, the parts are orderly arranged on the movable mold plate and the fixed mold plate, and then the movable mold plate and the fixed mold plate interact with each other when the mold is assembled, so that the actions of positioning the opposite-shooting package terminal, clamping or loosening injection molding finished products and the like are realized at the same time, the adjustment is not needed, the injection molding speed is not influenced, the practicability is strong, and the market prospect is good.

Drawings

The above features, technical features, advantages and implementation of the present utility model will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and easily understood manner.

Fig. 1 is a schematic perspective view of an injection mold for a tire pressure sensor housing according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of the part of the stationary platen in FIG. 1;

FIG. 3 is a schematic view of the portion of the movable mold plate in FIG. 1;

FIG. 4 is a schematic view of the internal structure of FIG. 1;

FIG. 5 is a schematic view of the inner slide structure of FIG. 4;

FIG. 6 is a schematic illustration of the outer slide structure and clamping structure of FIG. 4;

FIG. 7 is a schematic view of a portion of the clamping structure of FIG. 6;

FIG. 8 is a schematic cross-sectional view of the outer slider portion of FIG. 4.

Reference numerals illustrate:

a movable template base 1; a pack ejection terminal 10; a tire pressure sensor housing 11; a movable die plate 2; an upper die core 21; a stationary platen 3; a lower die core 31; a terminal bracket 32; a fixed template base 4; a first diagonal post 51; an inner slide 52; a positioning post 521; a glue sealing block 522; a first bead 53; a first cup screw 54; a first fixed block 55; a second diagonal post 61; an outer slider 62; a second bead 63; a second fixed block 64; a slider insert 65; a third diagonal post 71; a clamping slider 72; a third bead 73; a third cup head screw 74; a third fixed block 75;

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

For simplicity of the drawing, only the parts relevant to the utility model are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

In this context, it should be noted that the terms "mounted," "connected/connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; however, the connection may be mechanical or electrical; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

In one embodiment, referring to fig. 1 to 8 of the specification, the injection mold for a tire pressure sensor housing according to the present utility model includes: the movable template seat 1, the fixed template seat 4, the movable template 2 connected to the movable template seat 1, the fixed template 3 connected to the fixed template seat 4, and a driving mechanism capable of driving the movable template 2 to reciprocate in the vertical direction. The movable platen 2 has an upper core 21, the fixed platen 3 has a lower core 31, and the driving mechanism is used for opening or closing the movable platen 2 and the fixed platen 3, and when the movable platen 2 and the fixed platen 3 are closed, the upper core 21 and the lower core 31 cooperate to form a mold cavity (not shown in the figure).

The driving mechanism comprises an inner sliding block structure, and the inner sliding block structure is used for positioning the package shooting terminal 10 embedded on the tire pressure sensor shell 11. Referring to fig. 2, 4, 5 and 8 of the specification, the inner slide structure includes an inner slide 52 close to the mold cavity, and an inner slide transmission structure capable of driving the inner slide 52 to perform a reset motion on the lower mold core 31, where the inner slide transmission structure is used to make the inner slide 52 close to or far away from the mold cavity, a terminal support 32 for supporting a package injection terminal is disposed in the mold cavity, the terminal support 32 is fixedly disposed on the lower mold core 31, the package injection terminal has a plurality of positioning holes, a plurality of positioning columns 521 distributed at intervals are disposed on a side of the inner slide 52 close to the mold cavity, and the positioning columns 521 correspond to the positioning holes on the package injection terminal one by one. When the movable template 2 and the fixed template 3 are assembled, the positioning column 521 on the inner slide block 52 stretches into the positioning hole on the injection terminal, so that the injection terminal cannot shift and deform due to injection pressure during injection, precision and firmness of the injection terminal are guaranteed, the yield of plastic products is improved, and stability and quality of the plastic products are guaranteed.

It should be noted that, the upper mold core 21 may be disposed on the mold plate 2, the lower mold core 31 may be disposed on the mold plate 3, the upper mold core 21 and the lower mold core 31 may have the same number and correspond to each other, and the driving mechanism may include a plurality of inner slide structures, where the inner slide structures correspond to the number of processed products. The number of the upper die core 21, the lower die core 31 and the inner slide block structure is not particularly limited, and in the practical application process, in order to improve the production efficiency of the die, the die can be assembled at a time to produce a plurality of products. As an example, two upper mold cores 21 are arranged on the movable mold plate 2, two lower mold cores 31 are arranged on the fixed mold plate 3, and when the movable mold plate 2 and the fixed mold plate 3 are assembled, each upper mold core 21 and the lower mold core 31 matched with the upper mold core are matched to form two mold cavities, so that four tire pressure sensor shells can be molded at one time, and the production efficiency of products is improved.

Referring to fig. 4 and 5 of the drawings, the inner slide transmission structure includes a first oblique guide post 51, an inner slide 52 adapted to the first oblique guide post 51, a pair of first pressing strips 53 respectively disposed at two sides of the inner slide 52, and a first cup head screw 54; the first oblique guide post 51 is fixedly arranged on the first fixed block 55, the inner slide block 52 is slidably arranged on the lower die core 31, a first oblique guide hole for the first oblique guide post 51 to obliquely penetrate is formed in the inner slide block 52, the first pressing strip 53 is arranged on the lower die core 31 and used for limiting the sliding direction of the inner slide block 52, one end of the first cup head screw 54 is fixed on the die plate 2, and the other end of the first cup head screw 54 is fixedly connected with the first fixed block 55. When the mold plate 2 and the fixed mold plate 3 are assembled, the first cup head screw 54 drives the first inclined guide post 51 to perform a reset motion, so that the first inclined guide post 51 drives the inner slide block 52 to slide on the lower mold core 31, and the positioning post 521 on the inner slide block 52 extends into or falls out of the positioning hole of the injection terminal.

Referring to fig. 2-6 of the drawings, the driving mechanism further comprises an outer slide block structure, wherein the outer slide block structure comprises an outer slide block 62 close to the mold cavity, and an outer slide block transmission structure for linking the outer slide block 62 and the movable mold plate 2, and the outer slide block 62 can be connected with a power device so as to be close to or far from the mold cavity. It is understood that the power device may be an air cylinder, a hydraulic cylinder, or the like, and the present application is not particularly limited. The outer slider 62 is connected with a slider insert 65 near one side of the mold cavity, the slider insert 65 having a molding surface provided near the mold cavity, and a molding column forming a through hole in the tire pressure sensor housing. The outer slide block transmission structure comprises a second inclined guide post 61, a second fixed block 64 and a pair of second pressing strips 63 which are respectively arranged at two sides of the outer slide block 62; the second inclined guide post 61 is fixedly arranged on the second fixed block 64, the second fixed block 64 is fixedly arranged on the movable mould plate 2, the outer slide block 62 is slidably arranged on the lower mould core 31 and opposite to the inner slide block 52, a second inclined guide hole for the second inclined guide post 61 to obliquely penetrate is formed on the outer slide block 62, and the second pressing strip 63 is arranged on the lower mould core 31 and used for limiting the sliding direction of the outer slide block 62. When the outer slide block 62 slides, the outer slide block 62 drives the second inclined guide post 61 to move, so that the second fixed block 64 drives the movable mold plate 2 to be close to or far away from the fixed mold plate 3, and mold opening or mold closing of the movable mold plate 2 and the fixed mold plate 3 is realized.

Referring to fig. 4 and 6 of the drawings, the driving mechanism may further include a plurality of clamping structures for clamping the injection molded product (tire pressure sensor housing), and it is understood that the number of clamping structures is the same as the number of injection molded products. The clamping structure comprises a pair of clamping components, wherein the clamping components comprise a third inclined guide pillar 71, a clamping slide block 72 matched with the third inclined guide pillar 71, a pair of third pressing strips 73 respectively arranged at two sides of the clamping slide block 72, and a third cup head screw 74; the third inclined guide post 71 is fixedly arranged on the third fixed block 75, the clamping slide block 72 is slidably arranged on the upper die core 21, a third inclined guide hole for the inclined penetration of the third inclined guide post 71 is formed in the clamping slide block 72, the clamping slide block is provided with a clamping head, one end of the clamping head is flush with the cavity wall of the die cavity, the third pressing strip 73 is arranged on the upper die core 21 and used for limiting the sliding direction of the clamping slide block 72, one end of the third cup head screw 74 is fixed on the movable die plate 2, and the other end of the third cup head screw 74 is fixedly connected with the third fixed block 75. When the movable die plate 2 and the fixed die plate 3 are clamped, the third cup head screws 74 drive the third inclined guide posts 71 to do reset motion, so that the third inclined guide posts 71 drive the clamping slide blocks 72 to slide on the upper die core 21, and the two clamping slide blocks 72 do approaching or separating motion to clamp or unclamp injection molding finished products.

In the above embodiment, each part of the inner slide block structure, the outer slide block structure and the clamping structure which are interlocked with each other is orderly arranged on the movable mold plate 2 and the fixed mold plate 3, and then the movable mold plate 2 and the fixed mold plate 3 interact with each other when the mold is closed, so that the actions of positioning, clamping or loosening injection molding finished products and the like of the opposite-shooting package terminal are simultaneously realized, the injection molding speed is not influenced by one-step in place, the adjustment is not needed, the practicability is strong, and the market prospect is good.

The injection mold for the tire pressure sensor shell can further comprise a plurality of ejector pins (not shown), wherein the ejector pins are arranged in the lower mold core 31 in a penetrating manner, and can perform reset motion relative to the mold cavity so as to realize demolding of products.

In some embodiments, referring to fig. 5 and 8 of the specification, a plurality of glue sealing blocks 522 are disposed on one side of the inner slide 52 near the mold cavity, and it can be understood that the glue sealing blocks 522 and the inner slide 52 can be fixed together by clamping or bolting, which is not particularly limited in this application, the glue sealing blocks 522 are made of high temperature resistant and non-deformable materials, such as PPO plastic, and when the movable mold plate 2 and the fixed mold plate 3 are assembled, the glue sealing blocks 522 are in contact connection with the glue sealing positions on the surface of the injection terminal, so that the phenomenon that the surface of the injection terminal is oxidized due to being crushed in the injection molding process can be prevented, and the normal running of the subsequent burning test is ensured.

1-8, the utility model provides a specific application condition of a tire pressure sensor housing injection mold for molding four tire pressure sensor housings at a time. The tire pressure sensor shell injection mold is characterized in that a movable mold plate seat 1, a movable mold plate 2, a fixed mold plate 3 and a fixed mold plate seat 4 are sequentially arranged from top to bottom, two upper mold cores 21 are arranged on the movable mold plate 2 in an embedded mode, two lower mold cores 31 are arranged on the fixed mold plate 3 in an embedded mode, and each part is respectively arranged on a driving mechanism on the movable mold plate 2 and the fixed mold plate 3, when the movable mold plate 2 and the fixed mold plate 3 are assembled, the two upper mold cores 21 and the two lower mold cores 31 are in one-to-one correspondence, four mold cavities are formed, so that four injection molding products are molded at one time, and the driving mechanism comprises an inner sliding block structure, an outer sliding block structure and a clamping structure which are in linkage with each other.

When the mold is closed (i.e., the movable platen 2 and the fixed platen 3 are closed):

the outer slide block 62 moves towards the direction approaching to the mold cavity, and when the outer slide block 62 slides, the outer slide block 62 drives the second inclined guide post 61 to move, so that the second fixed block 64 drives the movable mold plate 2 to approach to the fixed mold plate 3 until the upper mold core 21 on the movable mold plate 2 and the lower mold core 31 on the fixed mold plate 3 cooperate to form the mold cavity. Meanwhile, the first cup head screw 54 on the movable mold plate 2 drives the first inclined guide post 51 to move, so that the first inclined guide post 51 drives the inner slide block 52 to slide on the lower mold core 31, and the positioning post 521 on the inner slide block 52 extends into the positioning hole of the shooting terminal for positioning the shooting terminal. When the die is closed successfully, the injection molding can be performed into the die. In the injection molding process, the positioning column 521 on the inner slide block 52 stretches into the positioning hole of the injection molding terminal, so that the injection molding terminal cannot shift and deform due to injection molding pressure during injection molding, the precision and firmness of the injection molding terminal are ensured, the yield of plastic products is improved, and the stability and the quality of the plastic products are further ensured.

When the mold is opened (i.e., the movable platen 2 and the fixed platen 3 are opened):

the outer slide block 62 moves towards the direction away from the mold cavity, when the outer slide block 62 slides, the outer slide block 62 drives the second inclined guide post 61 to move, so that the second fixed block 64 drives the movable mold plate 2 to move away from the fixed mold plate 3, and at the same time, the first cup head screw 54 on the movable mold plate 2 drives the first inclined guide post 51 to move, so that the first inclined guide post 51 drives the inner slide block 52 to slide on the lower mold core 31, and the positioning post 521 on the inner slide block 52 is separated from the positioning hole of the injection terminal. When the mold is successfully opened, the tire pressure sensor shell can be ejected out of the lower mold core 31 through the ejector pin, and the formed tire pressure sensor shell is completely exposed and can be taken away.

It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (10)

1. The utility model provides a tyre pressure sensor casing injection mold, includes movable mould board seat, fixed mould board seat, connects movable mould board on the movable mould board seat, connects the fixed mould board on the fixed mould board seat and actuating mechanism, the movable mould board has the mould benevolence, and the fixed mould board has the lower mould benevolence, actuating mechanism is used for making movable mould board and fixed mould board die sinking or compound die, and when movable mould board and fixed mould board compound die, go up mould benevolence and lower mould benevolence cooperation and be formed with the mould die cavity, its characterized in that:

the driving mechanism comprises an inner sliding block structure for positioning the package shooting terminal embedded on the tire pressure sensor shell, the inner sliding block structure comprises an inner sliding block which is arranged close to the mold cavity and an inner sliding block transmission structure which can drive the inner sliding block to perform reset motion on the lower mold core, the inner sliding block transmission structure is used for enabling the inner sliding block to be close to or far away from the mold cavity, a terminal support used for supporting the package shooting terminal is arranged in the mold cavity, the terminal support is fixedly arranged on the lower mold core, the package shooting terminal is provided with a plurality of positioning holes, a plurality of positioning columns which are distributed at intervals are arranged on one side of the inner sliding block close to the mold cavity, and the positioning columns on the inner sliding block stretch into the positioning holes on the package shooting terminal when the mold plate and the fixed mold plate are assembled.

2. The tire pressure sensor housing injection mold of claim 1, wherein:

the inner slide transmission structure comprises a first inclined guide post, an inner slide matched with the first inclined guide post, a pair of first pressing strips respectively arranged at two sides of the inner slide, and a first cup head screw; the first inclined guide pillar is fixedly arranged on the first fixed block, the inner slide block is arranged on the lower die core in a sliding manner, a first inclined guide hole for the first inclined guide pillar to obliquely penetrate is formed in the inner slide block, the first pressing bar is arranged on the lower die core and used for limiting the sliding direction of the inner slide block, one end of the first cup head screw is fixed on the movable die plate, and the other end of the first cup head screw is fixedly connected with the first fixed block.

3. The tire pressure sensor housing injection mold of claim 1, wherein:

the driving mechanism further comprises an outer sliding block structure, the outer sliding block structure comprises an outer sliding block close to the mold cavity and an outer sliding block transmission structure enabling the outer sliding block and the movable mold plate to be linked, and the outer sliding block is connected with the power device so as to be close to or far away from the mold cavity.

4. The tire pressure sensor housing injection mold of claim 3, wherein:

one side of the outer sliding block, which is close to the mold cavity, is connected with a sliding block insert, and the sliding block insert is provided with a molding surface, which is close to the mold cavity.

5. The tire pressure sensor housing injection mold of claim 3, wherein:

the outer slide block transmission structure comprises a second inclined guide post, a second fixed block and a pair of second pressing strips which are respectively arranged at two sides of the outer slide block; the second inclined guide pillar is fixedly arranged on the second fixed block, the second fixed block is fixedly arranged on the movable mould plate, the outer slide block is arranged on the lower mould core in a sliding manner and is opposite to the inner slide block in position, a second inclined guide hole for the second inclined guide pillar to obliquely penetrate is formed in the outer slide block, and the second pressing bar is arranged on the lower mould core and used for limiting the sliding direction of the outer slide block.

6. The tire pressure sensor housing injection mold of claim 3, wherein:

the driving mechanism further comprises a plurality of clamping structures, and the clamping structures are used for clamping injection molding finished products.

7. The tire pressure sensor housing injection mold of claim 6, wherein:

the clamping structure comprises a pair of clamping components, wherein each clamping component comprises a third inclined guide pillar, a clamping sliding block matched with the third inclined guide pillar, a pair of third pressing strips respectively arranged at two sides of the clamping sliding block and a third cup head screw; the third inclined guide post is fixedly arranged on the third fixed block, the clamping slide block is arranged on the upper die core in a sliding manner, a third inclined guide hole for the inclined penetration of the third inclined guide post is formed in the clamping slide block, the clamping slide block is provided with a clamping head, one end of the clamping head is flush with the cavity wall of the die cavity, a third pressing strip is fixedly arranged on the upper die core and used for limiting the sliding direction of the clamping slide block, one end of a third cup head screw is fixed on the movable die plate, and the other end of the first cup head screw is fixedly connected with the third fixed block; the inclination directions of the two inclined guide posts of the clamping structure are opposite.

8. The tire pressure sensor housing injection mold of claim 1, wherein:

and a plurality of sealing rubber blocks are arranged on one side of the inner sliding block, close to the mold cavity, at intervals, the sealing rubber blocks are made of high-temperature-resistant and non-deformable materials, and when the mold plate and the fixed mold plate are assembled, the sealing rubber blocks are in contact connection with the sealing rubber positions on the surfaces of the injection terminals.

9. The tire pressure sensor housing injection mold of claim 8, wherein:

the sealing rubber block is made of PPO plastic materials.

10. The tire pressure sensor housing injection mold of claim 1, wherein:

the injection molding machine also comprises a plurality of ejector pins used for ejecting the injection molding finished product out of the lower die core, wherein the ejector pins are arranged in the lower die core in a penetrating manner and can perform reset movement relative to the die cavity.

Images