CN218985564U

CN218985564U - Injection mold

Info

Publication number: CN218985564U
Application number: CN202223470035.0U
Authority: CN
Inventors: 王军; 姚君乐; 冯武平
Original assignee: Huizhou Wai Chi Electronics Co ltd
Current assignee: Huizhou Wai Chi Electronics Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-09
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to an injection mold, which comprises an upper mold plate, a lower mold plate, at least one first positioning block and at least one second positioning block, wherein an upper mold cavity is arranged on the first surface of the upper mold plate, a lower mold cavity is arranged on the first surface of the lower mold plate, the lower mold cavity and the upper mold cavity jointly form a mold cavity, each second positioning block corresponds to one first positioning block, one of the first positioning block and the second positioning block which are correspondingly arranged is provided with a positioning groove, the other bulge is provided with an inserting block, and each inserting block is movably arranged in one positioning groove and is in sliding connection with the inner side wall of the positioning groove. The insert is movably abutted with the inner side wall of the positioning groove in the positioning groove and slides along the inner side wall of the positioning groove, so that the condition of left-right displacement can be avoided, the die opening and closing of the upper die plate and the lower die plate are more accurately limited, the upper die cavity and the lower die cavity can be accurately aligned, the injection molding piece is prevented from being poor in appearance of burrs and the like, and the quality of the injection molding piece is greatly improved.

Description

Injection mold

Technical Field

The utility model relates to the technical field of molds, in particular to an injection mold.

Background

The injection mold is the most important part in the injection processing technology, the injection mold is generally provided with a cavity, the shape of the cavity is correspondingly arranged according to the shape of a plastic product, injection liquid is injected into the cavity, the cavity is completely filled with the injection liquid, and then cooling and forming are carried out, so that an injection molding finished product is obtained, and the injection mold is widely applied to injection processing production.

However, the existing injection mold is generally provided with an upper mold and a lower mold which can be opened and closed mutually, and the upper mold and the lower mold of the injection mold are generally respectively provided with an upper mold cavity and a lower mold cavity, when the upper mold and the lower mold are mutually closed, the upper mold cavity and the lower mold cavity jointly form the cavity of the injection mold, are used for injection molding to obtain injection molding finished products, and the injection molding products are taken out through the upper mold and the lower mold which are opened, however, the existing injection mold is easy to deviate in the mold closing and mold opening processes, so that the upper mold and the lower mold cannot be accurately closed and opened, thereby causing the injection molding products to easily have the defects of flash, and the quality of the injection molding products is influenced.

Disclosure of Invention

Based on this, it is necessary to provide an injection mold.

The technical scheme for solving the technical problems is as follows: an injection mold, comprising:

an upper die cavity is formed in the first surface of the upper die plate;

the first surface of the lower die plate is movably abutted with the first surface of the upper die plate, a lower die cavity is arranged on the first surface of the lower die plate, the lower die cavity is communicated with the upper die cavity, and the lower die cavity and the upper die cavity form a die cavity together;

at least one first positioning block, wherein each first positioning block is respectively arranged on the outer side wall of the upper template, and each first positioning block is mutually arranged at intervals; a kind of electronic device with high-pressure air-conditioning system

The positioning device comprises at least one second positioning block, wherein each second positioning block is respectively arranged on the outer side wall of the lower die plate, the second positioning blocks are mutually arranged at intervals, each second positioning block corresponds to one first positioning block, one of the first positioning block and the second positioning block which are correspondingly arranged is provided with a positioning groove, the other bulge is provided with an inserting block, and each inserting block is movably arranged in one positioning groove and is in sliding connection with the inner side wall of one positioning groove.

In one embodiment, each of the first positioning blocks is provided with one of the positioning grooves, and each of the second positioning blocks is provided with one of the inserting blocks.

In one embodiment, each of the first positioning blocks is provided with a protrusion, and each of the second positioning blocks is provided with a positioning groove.

In one embodiment, at least one first mounting groove is formed in the outer side wall of the upper template, each first mounting groove penetrates through the first surface of the upper template, and each first positioning block is arranged in one first mounting groove.

In one embodiment, at least one second mounting groove is formed in the outer side wall of the lower die plate, each second mounting groove penetrates through the first face of the lower die plate, and each second positioning block is arranged in one second mounting groove.

In one embodiment, the mounting structure further comprises a plurality of first bolts, each first positioning block is provided with a first through hole, the inner side wall of each first mounting groove is provided with a first threaded hole, and each first bolt penetrates through one first through hole to be in threaded connection with the inner side wall of one first threaded hole.

In one embodiment, the mounting structure further comprises a plurality of second bolts, each second positioning block is provided with a second through hole, the inner side wall of each second mounting groove is provided with a second threaded hole, and each second bolt penetrates through one second through hole to be in threaded connection with the inner side wall of one second threaded hole.

In one embodiment, a first avoidance groove is formed in the bottom of each positioning groove, and the end portion of each insert block is movably arranged in the first avoidance groove.

In one embodiment, a second avoidance groove is formed in the outer side wall of each insert block, and the end portion of each first positioning block is movably arranged in the second avoidance groove.

In one embodiment, the outer side surface of each insert is provided with a wear layer.

Compared with the prior art, the utility model has at least the following advantages:

according to the utility model, the plurality of first positioning blocks are arranged on the outer side wall of the upper die plate, and the plurality of second positioning blocks are arranged at the corresponding positions of the outer side wall of the lower die plate, so that the positions of the first positioning blocks and the second positioning blocks are arranged in a one-to-one correspondence manner, and the first positioning blocks and the second positioning blocks which are arranged in a mutually up-down correspondence manner are respectively provided with the insert blocks and the positioning grooves.

Drawings

FIG. 1 is a schematic view of an injection mold according to an embodiment;

FIG. 2 is a schematic view of an exploded perspective view of the injection mold shown in FIG. 1;

FIG. 3 is a schematic diagram of an exploded perspective view of an injection mold according to one embodiment;

fig. 4 is an enlarged schematic view of the structure at a in fig. 1.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The technical solution of the present utility model will be further described below with reference to the accompanying drawings of the embodiments of the present utility model, and the present utility model is not limited to the following specific embodiments.

It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components. In the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc., that indicate an azimuth or a positional relationship based on the directions or the positional relationships shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but not for indicating or suggesting that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limitations of the present patent, and that the specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.

Referring to fig. 1, 2 and 3, in one embodiment, an injection mold 10 includes an upper mold plate 100, a lower mold plate 200, at least one first positioning block 300 and at least one second positioning block 400. The first face of the upper mold plate 100 is provided with an upper mold cavity 110. The first surface of the lower die plate 200 is movably abutted with the first surface of the upper die plate 100, the first surface of the lower die plate 200 is provided with a lower die cavity 210, the lower die cavity 210 is mutually communicated with the upper die cavity 110, and the lower die cavity 210 and the upper die cavity 110 together form a die cavity. Each of the first positioning blocks 300 is respectively disposed on an outer sidewall of the upper mold plate 100, and each of the first positioning blocks 300 is disposed at a distance from each other. Each second positioning block 400 is respectively disposed on an outer sidewall of the lower template 200, each second positioning block 400 is disposed at intervals, each second positioning block 400 corresponds to one first positioning block 300, one of the first positioning block 300 and the second positioning block 400 that are disposed correspondingly is provided with a positioning slot 310, the other is provided with an inserting block 410 in a protruding manner, and each inserting block 410 is movably disposed in one positioning slot 310 and is slidably connected with an inner sidewall of one positioning slot 310.

The upper and

lower templates

100 and 200 are both square flat plate structures, the first surface of the upper template 100 and the first surface of the lower template 200 are parallel to each other, so that the upper and

lower templates

100 and 200 can be clamped, the upper and

lower templates

100 and 200 are arranged up and down oppositely, a driving device, for example, a cylinder is arranged outside, is used for driving connection with the upper template 100, and is used for driving the upper template 100 to approach or separate from the lower template 200, so as to realize the die opening and clamping of the upper and

lower templates

100 and 200, the first surface of the upper template 100 is the surface facing the lower template 200, the first surface of the lower template 200 is the surface facing the upper template 100, the upper and

lower templates

100 and 200 are respectively provided with an upper and a

lower die cavity

110 and 210, when the upper and

lower templates

100 and 200 are clamped, the upper and

lower die cavities

110 and 210 can form a closed cavity structure, so that by injecting injection liquid into the cavity, in addition, a plurality of first positioning blocks 300 are arranged on the outer side wall of the upper template 100, in this embodiment, a first positioning block 300 is respectively arranged on the four outer side walls of the upper template 100, the end parts of the first positioning blocks 300 are flush with the first surface of the upper template 100, so as to ensure movable supporting with the second positioning blocks 400, meanwhile, a plurality of second positioning blocks 400 are arranged on the corresponding positions of the outer side wall of the lower template 200, the second positioning blocks 400 are flush with the first surface of the lower template 200, so that the positions of the first positioning blocks 300 and the second positioning blocks 400 are arranged in a one-to-one correspondence, and then through the first positioning blocks 300 and the second positioning blocks 400 which are respectively arranged on the upper and lower sides and are respectively provided with an inserting block 410 and a positioning groove 310, the inserting blocks 410 are matched with the shapes of the positioning grooves 310, and when the upper template 100 and the lower template 200 are clamped, the insert block 410 can be inserted into the positioning groove 310 to position the upper die plate 100 and the lower die plate 200 for die opening and die closing, the insert block 410 is movably abutted against the inner side wall of the positioning groove 310 in the positioning groove 310 and slides along the inner side wall of the positioning groove 310, the condition of left and right displacement can be avoided, the die opening and die closing of the upper die plate 100 and the lower die plate 200 can be more accurately limited, the upper die plate 100 and the lower die plate 200 can be ensured to be accurately closed and opened, the upper die cavity 110 and the lower die cavity 210 can be accurately aligned, defects such as flash and the like of injection molding parts can be avoided, and the quality of injection molding parts can be greatly improved.

Referring to fig. 1 and 2, in one embodiment, each of the first positioning blocks 300 is provided with one of the positioning slots 310, and each of the second positioning blocks 400 is provided with one of the inserting blocks 410. It can be appreciated that in this embodiment, each positioning slot 310 is correspondingly provided at one end of each first positioning block 300 facing the lower die plate 200, each insert block 410 is correspondingly provided at one end of each second positioning block 400 facing the upper die plate 100, so that the injection mold is convenient to perform unified design and production, and when the mold is closed, the upper die plate 100 is driven to approach the lower die plate 200 downwards by an external driving device, and the mold is covered and covered outside each insert block 410 by each positioning slot 310, so that the mold can be positioned and closed, and normal injection molding operation is ensured.

In another embodiment, each of the first positioning blocks is provided with a protrusion, and each of the second positioning blocks is provided with a positioning groove. It can be appreciated that in this embodiment, each insert is provided to one end of each first positioning block facing the lower die plate in a one-to-one correspondence manner, each positioning slot is provided to one end of each second positioning block facing the upper die plate in a one-to-one correspondence manner, so that unified design production is convenient for the injection mold, and when the mold is closed, the upper die plate is driven to be close to the lower die plate downwards through the external driving device, and the insert is inserted into each positioning slot, so that the mold closing and opening can be realized, and the normal operation of the injection molding operation is ensured.

Referring to fig. 1 and 4, in one embodiment, at least one first mounting groove 120 is formed in an outer side wall of the upper mold plate 100, each first mounting groove 120 is disposed through a first surface of the upper mold plate 100, and each first positioning block 300 is disposed in one of the first mounting grooves 120. It can be appreciated that, through having offered each first mounting groove 120 correspondingly on the lateral wall of cope match-plate pattern 100, can form groove structure on the lateral wall of cope match-plate pattern 100, each first mounting groove 120 can be regarded as dodging groove structure for each first locating piece 300 one-to-one embedding is installed in each first mounting groove 120, avoids each first mounting piece protrusion to set up in the lateral wall of cope match-plate pattern 100, and the structure is compacter, is favorable to saving this injection mold's manufacturing cost, and can play the guard action to each first locating piece 300, avoids each first locating piece 300 to receive collision damage in the handling, is favorable to improving this injection mold's life.

Referring to fig. 1 and 4, in one embodiment, at least one second mounting groove 220 is formed on an outer side wall of the lower die plate 200, each second mounting groove 220 is disposed through a first surface of the lower die plate 200, and each second positioning block 400 is disposed in one second mounting groove 220. It can be appreciated that, similarly, through having seted up each second mounting groove 220 in the lateral wall correspondence of lower bolster 200, can form groove structure on the lateral wall of lower bolster 200, each second mounting groove 220 can be regarded as dodging groove structure for each second locating piece 400 one-to-one embedding is installed in each second mounting groove 220, avoids each second installation piece protrusion to set up in the lateral wall of lower bolster 200, and the structure is compacter, is favorable to saving the manufacturing cost of this injection mold, and can play the guard action to each second locating piece 400, avoids each second locating piece 400 to receive the collision damage in the handling, is favorable to improving this injection mold's life.

Referring to fig. 2 and 3, in one embodiment, the device further includes a plurality of first bolts 500, each of the first positioning blocks 300 is provided with a first through hole, the inner side wall of each of the first mounting grooves 120 is provided with a first threaded hole, and each of the first bolts 500 is threaded through one of the first through holes to the inner side wall of one of the first threaded holes. It can be appreciated that, by being provided with each first bolt 500, each first positioning block 300 can be detachably positioned and installed in each first installation groove 120 through each first threaded hole structure formed between each first bolt 500 and the inner side wall of the first installation groove 120, when each first positioning block 300 needs to be replaced, each first positioning block 300 can be taken down for replacement by reversely loosening each first bolt 500, and the structure is simple, and the installation and the disassembly are convenient.

Referring to fig. 2 and 3, in an embodiment, the device further includes a plurality of second bolts 600, each of the second positioning blocks 400 is provided with a second through hole, the inner side wall of each of the second mounting grooves 220 is provided with a second threaded hole, and each of the second bolts 600 is threaded through one of the second through holes to the inner side wall of one of the second threaded holes. It can be appreciated that, similarly, by providing each second bolt 600, each second positioning block 400 can be detachably mounted in each second mounting groove 220 in a one-to-one correspondence manner, so that the mounting and the dismounting are convenient, and the practicability is good.

Referring to fig. 1 and fig. 4, in one embodiment, a first avoiding groove 311 is formed at the bottom of each positioning groove 310, and an end of each insert 410 is movably disposed in the first avoiding groove 311. It can be appreciated that, because the shape looks adaptation of the insert 410 and the constant head tank 310, the insert 410 supports with each other with the inside wall of constant head tank 310, and supports with the bottom activity of insert 410, through having seted up first groove 311 of dodging in the bottom of constant head tank 310, in this embodiment, two have been seted up to first groove 311 of dodging, the position at the both ends of the bottom of constant head tank 310 is seted up respectively, can play the effect of dodging, so, can make the sharp-pointed department holding at insert 410 tip both ends in first groove 311 of dodging, reduce the hard contact between insert 410 and the first groove 311 of dodging, avoid damaging insert 410, be favorable to improving this injection mold's whole life.

Referring to fig. 1 and 4, in one embodiment, a second avoiding slot 411 is formed on an outer side wall of each insert block 410, and an end portion of each first positioning block 300 is movably disposed in the second avoiding slot 411. It can be appreciated that, because in the process of performing mold closing, when the insert block 410 is completely inserted into the positioning slot 310, the edge of the opening of the positioning slot 310 abuts against the end of the positioning block, and the second avoiding slot 411 is formed by the second avoiding slots 411, in this embodiment, the second avoiding slots 411 are formed on the side walls of the two sides of the insert block 410, so that the two side ends of the positioning slot 310 can be avoided, hard contact is avoided, damage to the insert block 410 is avoided, and the overall service life of the injection mold is prolonged.

In one embodiment, the outer side surface of each insert 410 is provided with a wear layer. It can be appreciated that, because the injection mold can be opened and closed multiple times during the use process, more friction exists between each insert 410 and the inner side wall of each positioning slot 310, and a wear-resistant layer, for example, a wear-resistant layer of aluminum oxide is arranged on the outer side surface of each insert 410, so that the mechanical strength is good, a good wear-resistant effect can be achieved, the service life of each insert 410 is greatly prolonged, and the service life of the injection mold is greatly prolonged.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. An injection mold, comprising:

an upper die cavity is formed in the first surface of the upper die plate;

2. The injection mold of claim 1, wherein each of the first positioning blocks is provided with one of the positioning grooves, and each of the second positioning block protrusions is provided with one of the insert blocks.

3. The injection mold of claim 1, wherein each of the first positioning block protrusions is provided with one of the insert blocks, and each of the second positioning blocks is provided with one of the positioning grooves.

4. The injection mold of claim 1, wherein at least one first mounting groove is formed in an outer side wall of the upper mold plate, each first mounting groove is disposed through a first surface of the upper mold plate, and each first positioning block is disposed in one of the first mounting grooves.

5. The injection mold of claim 1, wherein at least one second mounting groove is formed in an outer side wall of the lower mold plate, each second mounting groove is respectively formed through a first surface of the lower mold plate, and each second positioning block is disposed in one second mounting groove.

6. The injection mold of claim 4, further comprising a plurality of first bolts, each of the first positioning blocks having a first through hole, each of the first mounting slots having a first threaded hole formed therein, each of the first bolts being threaded through one of the first through holes to an inner side wall of one of the first threaded holes.

7. The injection mold of claim 5, further comprising a plurality of second bolts, each of the second positioning blocks having a second through hole, each of the second mounting slots having a second threaded hole formed therein, each of the second bolts being threaded through one of the second through holes to an inner side wall of one of the second threaded holes.

8. The injection mold of claim 2, wherein a first avoiding groove is formed in the bottom of each positioning groove, and the end of each insert block is movably disposed in the first avoiding groove.

9. The injection mold of claim 2, wherein a second avoidance groove is formed in an outer side wall of each insert block, and an end portion of each first positioning block is movably disposed in the second avoidance groove.

10. An injection mould according to any one of claims 1 to 9 wherein the outer side surface of each insert is provided with a wear layer.