CN218749051U

CN218749051U - Injection mould

Info

Publication number: CN218749051U
Application number: CN202223087846.2U
Authority: CN
Inventors: 刘霞
Original assignee: Luxshare Intelligent Manufacture Technology Changshu Co Ltd
Current assignee: Luxshare Intelligent Manufacture Technology Changshu Co Ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-03-28
Anticipated expiration: 2032-11-17
Also published as: TWM649038U

Abstract

The utility model belongs to the technical field of injection moulding, a injection mold is disclosed, including mould benevolence and mold core. The mold core is provided with a containing groove and a first flow passage, an opening at one end of the first flow passage is an inlet, an opening at the other end of the first flow passage is an outlet, the outlet is communicated with the bottom of the containing groove, the mold core is provided with a second flow passage, an opening at one end of the second flow passage is a receiving opening, an opening at the other end of the second flow passage is a glue inlet, when the mold core is inserted into the bottom of the containing groove, the receiving opening is communicated with the outlet, a cavity is formed between the mold core and the inner wall of the containing groove, and at least part of the glue inlet faces the bottom of the containing groove. The utility model discloses in, advance the tank bottom of glue mouth at least part orientation storage tank through the setting for when the drawing of patterns, the product can be followed the opening direction removal of advancing glue mouth, and then makes the cull that advances glue mouth department can remove the demolding along with product an organic whole, thereby has avoided the problem that the cull brought.

Description

Injection mould

Technical Field

The utility model relates to an injection moulding technical field especially relates to an injection mold.

Background

When the existing injection mold performs integral injection molding on a thin-wall product, the glue inlet is usually arranged to be vertically downward or obliquely downward communicated with the cavity or transversely communicated with the cavity, so that when the mold is released, the product moves back to the opening direction of the glue inlet, and more glue residues are left at the glue inlet to influence the molding quality of the injection mold.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold can effectively reduce the cull that advances jiao kou department when the shaping.

To achieve the purpose, the utility model adopts the following technical proposal:

an injection mold comprising:

the mold comprises a mold core, wherein an accommodating groove and a first flow channel are arranged on the mold core, an opening at one end of the first flow channel is an introducing port, an opening at the other end of the first flow channel is a leading-out port, and the leading-out port is communicated with the bottom of the accommodating groove;

the mold core, be provided with the second runner on the mold core, the opening of second runner one end is the bellmouth, and the opening of the other end is for advancing the jiao kou, mold core cartridge extremely during the tank bottom of storage tank, the bellmouth communicate in the export is led, the mold core with form the die cavity between the inner wall of storage tank, advance jiao kou at least part orientation the tank bottom of storage tank.

Preferably, the glue inlet faces to a junction of the bottom of the containing groove and the wall of the containing groove.

Preferably, the mold core is provided with a plurality of second flow passages.

Preferably, the mold core includes:

the first flow channel is arranged on the upper die core;

the mold comprises a lower mold core, wherein the lower mold core is provided with an accommodating through hole, and the upper mold core covers one end of the accommodating through hole to form the accommodating groove.

Preferably, the lower mold core comprises:

the supporting seat is provided with a first containing hole;

the two forming blocks are arranged on the supporting seat, a second accommodating hole is formed by the two forming blocks in a surrounding mode, the cavity is located in the second accommodating hole, the radial sectional area of the second accommodating hole is smaller than that of the first accommodating hole, and the first accommodating hole is communicated with the second accommodating hole to form the accommodating through hole.

Preferably, the lower die core further comprises two limiting blocks, the two limiting blocks are arranged on the supporting seat, and the two forming blocks are clamped between the two limiting blocks.

Preferably, the limiting blocks and the supporting seat are attached to each other in a first direction, the two limiting blocks are spaced from each other in a second direction, the two forming blocks are arranged on the two limiting blocks in a one-to-one correspondence manner, and the first direction is perpendicular to the second direction.

Preferably, the limiting block is provided with a limiting protruding edge extending along a third direction, the forming block is provided with a limiting through groove extending along the third direction, the limiting protruding edge is clamped in the limiting through groove, and the third direction is perpendicular to the first direction and the second direction.

Preferably, one of the opposite sides of the two forming blocks is provided with an alignment boss, the other is provided with an alignment groove, and the alignment boss is clamped in the alignment groove.

Preferably, the mold core comprises a molding section and a supporting section which are coaxially connected, a first step surface is formed between the molding section and the supporting section, a second step surface is arranged on the inner side wall of the accommodating groove, the first step surface abuts against the second step surface, and the molding section is inserted into the groove bottom of the accommodating groove.

The utility model has the advantages that:

through setting up the tank bottom that advances gluey mouthful at least part orientation storage tank, make when the drawing of patterns, the product can be followed the opening direction that advances gluey mouthful and removed, and then make the cull that advances gluey mouthful department can remove the demolding along with product an organic whole, thereby the problem that the cull brought has been avoided, and because the cooperation of intercommunication each other of first runner on the mould and the second runner on the mold core carries out the operation, thereby can mould plastics from the die cavity inboard, avoided reprocessing product top mouthful department, the shaping efficiency of the product that has the top mouth has been improved.

Drawings

FIG. 1 is a schematic structural view of an injection mold according to an embodiment of the present invention;

FIG. 2 is a schematic view of the upper mold core of FIG. 1 without the upper mold core;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic view of the structure of FIG. 2 with one forming block omitted;

FIG. 5 is an enlarged view at B in FIG. 4;

FIG. 6 is a schematic view of the lower mold core of FIG. 4;

FIG. 7 is an enlarged view at C in FIG. 6;

fig. 8 is a schematic structural diagram of a mold core according to an embodiment of the present invention;

FIG. 9 is an enlarged view at D of FIG. 8;

fig. 10 is a schematic structural view of the second flow channel in cooperation with a product according to an embodiment of the present invention.

In the figure:

1. a mold core;

11. an upper die core;

12. a lower die core; 121. a supporting seat; 122. forming a block; 1221. aligning the boss; 123. a limiting block; 1231. limiting convex edges;

2. a mold core;

21. a second flow passage; 22. a socket; 23. a glue inlet; 24. a forming section; 25. a support section;

100. and (5) producing the product.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts throughout, or parts having the same or similar functions. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise specifically stated or limited, the terms "connected," "connected," and "fixed" are to be understood broadly, and may include, for example, a fixed connection, a detachable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediary, a connection between two elements, or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not in direct contact, but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1-10, the present invention provides an injection mold, which comprises a mold core 1 and a mold core 2. The mold core 1 is provided with a containing groove and a first flow passage, an opening at one end of the first flow passage is an inlet, an opening at the other end of the first flow passage is an outlet, the outlet is communicated with the bottom of the containing groove, the mold core 2 is provided with a second flow passage 21, an opening at one end of the second flow passage 21 is a socket 22, an opening at the other end of the second flow passage is a glue inlet 23, when the mold core 2 is inserted into the bottom of the containing groove, the socket 22 is communicated with the outlet, a cavity is formed between the mold core 2 and the inner wall of the containing groove, and at least part of the glue inlet 23 faces the bottom of the containing groove.

The utility model discloses in, advance the tank bottom of jiao kou 23 at least part orientation storage tank through the setting, make when the drawing of patterns, product 100 can be followed the opening direction removal of advancing jiao kou 23, and then make the cull that advances jiao kou 23 department can remove the demolding along with product 100 an organic whole, thereby the problem that the cull brought has been avoided, and because the first runner on the mould and the second runner 21 on the mold core 2 communicate the cooperation each other and carry out the operation, thereby can mould plastics from the die cavity inboard, avoided reprocessing 100 punishment departments of pushing up the mouth of product, the shaping efficiency of product 100 who has the punishment mouth has been improved.

In the embodiment, the mold core 2 serves as an insert, and the notch of the accommodating groove is an insert hole, which extends into the accommodating groove, so as to form a cavity between the mold core 2 and the inner wall of the accommodating groove, thereby forming the product 100.

Specifically, the clearance between the tank bottoms of mold core 2 and storage tank is the shaping space of product 100 roof, and the clearance between the tank walls of mold core 2 and storage tank is the shaping space of product 100 lateral wall, advances the juncture of jiao kou 23 orientation tank bottom and the tank wall of storage tank to can avoid the cull to cause moulding-die and the bad problem of product 100 cold burden on the basis of the shaping quality of the roof of guaranteeing product 100 and lateral wall. In addition to the above arrangement, the glue inlet 23 may also face the bottom of the accommodating groove completely.

In the present embodiment, the thickness of the sidewall of the product 100 is T, the distance from the glue inlet 23 to the top surface of the product 100 is not greater than T, and the distance from the sidewall of the product 100 is not greater than T/2.

More specifically, the plurality of second runners 21 are arranged on the mold core 2, and during the injection molding operation, the sockets 22 of the plurality of second runners 21 are communicated with the same outlet, and the glue inlets 23 of the plurality of second runners 21 are arranged at intervals, so that the injection molding speed and the molding quality of the product 100 are improved.

In this embodiment, two second flow channels 21 are symmetrically arranged on the mold core 2, and the second flow channels 21 are arranged in a curved manner, and the diameter of the second flow channels gradually decreases from one end of the socket 22 to one end of the glue inlet 23.

Specifically, the core 1 includes an upper core 11 and a lower core 12. The first flow channel is arranged on the upper mold core 11, the lower mold core 12 is provided with an accommodating through hole, one end of the upper mold core 11, which covers the accommodating through hole, forms an accommodating groove, and the mold core 2 can extend into the accommodating through hole from the other end of the accommodating through hole. The device has simple structure and low cost.

More specifically, the lower mold core 12 includes a support seat 121 and two molding blocks 122. The supporting seat 121 is provided with a first containing hole, the two forming blocks 122 are arranged on the supporting seat 121, each forming block 122 is provided with a through groove, the two forming blocks 122 are buckled together to form a second containing hole in a surrounding mode, the cavity is located in the second containing hole, the radial sectional area of the second containing hole is smaller than that of the first containing hole, and the first containing hole is communicated with the second containing hole to form a containing through hole. Above-mentioned setting, the cost of mould has further been reduced, only need improve two shaping piece 122 size precision can to the bigger first accommodation hole of size is convenient for the cartridge of mold core 2 more.

Specifically, the lower mold core 12 further includes two limiting blocks 123, the two limiting blocks 123 are disposed on the supporting seat 121, and the two molding blocks 122 are sandwiched between the two limiting blocks 123. Through setting up stopper 123, can carry out spacing fixed to shaping piece 122 effectively, and then guarantee the shaping quality of mould.

More specifically, the limiting blocks 123 and the supporting seat 121 abut against each other along a first direction, the two limiting blocks 123 are spaced from each other along a second direction, the two forming blocks 122 are mounted on the two limiting blocks 123 in a one-to-one correspondence manner, and the first direction is perpendicular to the second direction. In the arrangement, the limit block 123 is used for limiting and supporting the forming block 122, so that the product 100 can be conveniently demoulded.

In this embodiment, the limiting block 123 is provided with a limiting protruding ridge 1231 extending along the third direction, the forming block 122 is provided with a limiting through groove extending along the third direction, the limiting protruding ridge 1231 is clamped in the limiting through groove, and the third direction is perpendicular to the first direction and the second direction. By the arrangement, the limiting precision of the limiting block 123 on the forming block 122 is improved.

More specifically, on the opposite side of two shaping pieces 122, one is provided with counterpoint boss 1221, and another is provided with counterpoint recess, counterpoint boss 1221 clamps and locates in counterpoint recess, counterpoint boss 1221 and counterpoint recess mutually support, spacing two shaping pieces 122 relative movement in the third direction. Above-mentioned setting has improved the counterpoint precision of two shaping pieces 122 to avoided the raw materials of moulding plastics to spill over from the gap between two shaping pieces 122.

Specifically, the mold core 2 includes a molding section 24 and a supporting section 25 which are coaxially connected, a first step surface is formed between the molding section 24 and the supporting section 25, a second step surface is arranged on the inner side wall of the accommodating groove, and the molding section 24 is inserted to the bottom of the accommodating groove when the first step surface abuts against the second step surface. According to the arrangement, on the basis of protecting the cavity, the forming section 24 can accurately extend to the bottom of the accommodating groove.

In this embodiment, the diameter of the forming section 24 is smaller than the diameter of the support section 25, the forming section 24 extends into the receiving groove, and the mold cavity is disposed around the forming section 24.

More specifically, the second step surface is disposed in the first accommodating hole, when the mold core 2 abuts against the second step surface, the receiving opening 22 and the outlet opening are abutted and communicated with each other, and a cavity is formed between the mold core 2 and the inner wall of the accommodating groove.

In this embodiment, two products 100 can be formed on the injection mold at the same time, the first flow channel has two outlet openings, two accommodating grooves are provided on the mold, and each accommodating groove is configured with one mold core 2.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An injection mold, comprising:

the mould comprises a mould core (1), wherein a containing groove and a first flow channel are arranged on the mould core (1), an opening at one end of the first flow channel is an introducing port, an opening at the other end of the first flow channel is a leading-out port, and the leading-out port is communicated with the bottom of the containing groove;

mold core (2), be provided with second runner (21) on mold core (2), the opening of second runner (21) one end is socket (22), and the opening of the other end is for advancing jiao kou (23), mold core (2) cartridge extremely during the tank bottom of storage tank, socket (22) communicate in lead the export, mold core (2) with form the die cavity between the inner wall of storage tank, advance jiao kou (23) at least part orientation the tank bottom of storage tank.

2. An injection mould according to claim 1, characterized in that the glue inlet (23) is directed towards the intersection of the groove bottom and the groove wall of the receiving groove.

3. An injection mould according to claim 1, characterized in that a plurality of said second flow channels (21) are provided on said core (2).

4. An injection mould according to claim 1, characterized in that the core insert (1) comprises:

the first flow channel is arranged on the upper die core (11);

the mould comprises a lower mould core (12), wherein an accommodating through hole is formed in the lower mould core (12), and the accommodating groove is formed in one end, which is covered by the upper mould core (11), of the accommodating through hole.

5. An injection mould according to claim 4, characterized in that the lower core insert (12) comprises:

the supporting seat (121), wherein a first containing hole is formed in the supporting seat (121);

the two forming blocks (122) are arranged on the supporting seat (121), a second accommodating hole is formed by surrounding the two forming blocks (122), the cavity is located in the second accommodating hole, the radial sectional area of the second accommodating hole is smaller than that of the first accommodating hole, and the first accommodating hole is communicated with the second accommodating hole to form the accommodating through hole.

6. The injection mold according to claim 5, wherein the lower mold core (12) further comprises two limiting blocks (123), the two limiting blocks (123) are both disposed on the supporting base (121), and the two forming blocks (122) are sandwiched between the two limiting blocks (123).

7. An injection mold according to claim 6, characterized in that the stop blocks (123) and the support base (121) abut against each other along a first direction, the two stop blocks (123) are spaced from each other along a second direction, and the two forming blocks (122) are mounted on the two stop blocks (123) in a one-to-one correspondence, wherein the first direction is perpendicular to the second direction.

8. An injection mold according to claim 7, wherein the limiting block (123) is provided with a limiting protruding ridge (1231) extending along a third direction, the forming block (122) is provided with a limiting through groove extending along the third direction, the limiting protruding ridge (1231) is clamped in the limiting through groove, and the third direction is perpendicular to the first direction and the second direction.

9. An injection mould according to claim 5, characterized in that on the sides of the two forming blocks (122) facing each other, one is provided with an alignment boss (1221) and the other is provided with an alignment groove, the alignment boss (1221) being snap-fitted in the alignment groove.

10. An injection mold according to any one of claims 1-9, wherein the mold core (2) comprises a molding section (24) and a supporting section (25) which are coaxially connected, a first step surface is formed between the molding section (24) and the supporting section (25), a second step surface is arranged on the inner side wall of the accommodating groove, the molding section (24) is inserted to the bottom of the accommodating groove when the first step surface abuts against the second step surface.