CN217802986U

CN217802986U - Injection mold with three-jaw integrated internal pulling structure

Info

Publication number: CN217802986U
Application number: CN202221143815.1U
Authority: CN
Inventors: 朱文亚
Original assignee: Suzhou Xinyou Mould Technology Co ltd
Current assignee: Suzhou Xinyou Mould Technology Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-11-15
Anticipated expiration: 2032-05-16

Abstract

The utility model discloses an injection mold with take out structure in three-jaw integral type, include: the fixed die plate, the hot runner plate, the movable die plate, take off material piece and thimble, the inside fixed die benevolence that is provided with of fixed die plate, be provided with movable mould benevolence on the movable die plate, form the die cavity behind fixed die plate and the movable die plate compound die, hot runner plate bottom supports and forms the runner on movable mould benevolence top surface, it establishes on movable mould benevolence to take off the material piece cover, it is provided with a plurality of guide bar to take off material piece below, the guide bar passes movable die plate in proper order, connect in the thimble board behind the backing plate, thimble fixed mounting is on the thimble board, the thimble wears to locate movable mould benevolence, the top of thimble supports the below at the runner between runner and die cavity. The utility model discloses compare in prior art, be convenient for improve breaking away from the effect of product, improve product processingquality.

Description

Injection mold with three-jaw integrated internal pulling structure

Technical Field

The utility model belongs to the injection moulding field especially relates to an injection mold with take out structure in three-jaw integral type.

Background

Injection molding is an industrial product production method, and thermoplastic plastics or thermosetting materials are made into plastic products with various shapes by using a plastic molding die. Common injection mold types include two-plate molds, three-plate molds, hot runner molds, and right-angle injection molds. The three-plate die increases the gate plate compared to the two-plate die.

When the existing injection mold is used for forming tubular parts, the stripping effect is poor, and the processing quality of products is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an: the utility model provides an injection mold with three-jaw integral type is taken out structure in, is convenient for improve the effect that breaks away from of product, improves product processingquality.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an injection mold with a three-jaw integrated internal pulling structure comprises: the fixed die plate, the hot runner plate, the movable die plate, take off material piece and thimble, the inside fixed die benevolence that is provided with of fixed die plate, be provided with movable mould benevolence on the movable die plate, form the die cavity behind fixed die plate and the movable die plate compound die, hot runner plate bottom supports and forms the runner on movable mould benevolence top surface, it establishes on movable mould benevolence to take off the material piece cover, it is provided with a plurality of guide bar to take off material piece below, the guide bar passes movable die plate in proper order, connect in the thimble board behind the backing plate, thimble fixed mounting is on the thimble board, the thimble wears to locate movable mould benevolence, the top of thimble supports the below at the runner between runner and die cavity.

As a further description of the above technical solution:

the backing plate is provided with a support column, the movable mould core is inserted into the support column, the inner side wall of the movable mould core is provided with a plurality of connecting blocks which are circumferentially arranged, the support column is provided with an inserting block of which the position corresponds to the connecting block, and the inserting block is inserted into the slot on the connecting block.

As a further description of the above technical solution:

the section of the insertion block is T-shaped.

As a further description of the above technical solution:

the number of the connecting blocks is 3.

As a further description of the above technical solution:

the four inner corners on the top surface of the stripping block are provided with lugs, and the bottom surface of the fixed die core is provided with a groove corresponding to the lugs in position.

As a further description of the above technical solution:

the fixed die core comprises a first block body and a second block body which are sequentially arranged from bottom to top.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, during injection moulding, form the die cavity behind fixed die plate and the movable mould board compound die, the product is the shaping in the die cavity. After the pressure maintaining is finished, when the die is divided, the ejector pin plate drives the stripping block to move upwards, the stripping block upwards pushes the product sleeved on the surface of the movable die core to strip the material (the material is stripped outside the product), meanwhile, the ejector pin moves upwards along with the ejector pin plate, the top end of the ejector pin pushes the sprue to strip the material (the material is stripped inside the product), the separation effect of the product is effectively improved, and the processing quality of the product is improved.

2. The utility model discloses in, the cover half benevolence includes by lower supreme first block and the second block of arranging in proper order, and first block and second block amalgamation form complete cover half benevolence, and the cover half benevolence modular design effectively reduces the processing degree of difficulty.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic perspective view of an injection mold with a three-jaw integrated internal pulling structure.

FIG. 2 is a schematic structural diagram of an injection mold with a three-jaw integrated internal pulling structure.

Fig. 3 is a schematic view of an installation structure of a movable mold core in an injection mold having a three-jaw integrated inner-pulling structure.

Fig. 4 is a schematic diagram showing a disassembled mounting structure of a movable mold core in an injection mold having a three-jaw integrated inner-pulling structure.

FIG. 5 is a partial view of a mounting structure of a movable mold core in an injection mold having a three-jaw integrated internal pulling structure.

Fig. 6 is a partially enlarged view of a portion a in fig. 5.

Illustration of the drawings:

1. fixing a template; 11. fixing the mold core; 111. a first block; 112. a second block; 2. a hot runner plate; 3. moving the template; 31. a movable mould core; 311. connecting blocks; 4. stripping the material block; 41. a guide rod; 42. a bump; 5. a thimble; 6. a backing plate; 7. an ejector plate; 8. a support column; 81. and (6) plugging the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: an injection mold with three-jaw integrated inner pulling structure comprises: the hot runner mold comprises a fixed mold plate 1, a hot runner plate 2, a movable mold plate 3, a stripping block 4 and an ejector pin 5, wherein a fixed mold core 11 is arranged inside the fixed mold plate 1, a movable mold core 31 is arranged on the movable mold plate 3, a mold cavity is formed after the fixed mold plate 1 and the movable mold plate 3 are assembled, a runner is formed on the top surface of the movable mold core 31 by abutting against the bottom of the hot runner plate 2, the stripping block 4 is sleeved on the movable mold core 31, a plurality of guide rods 41 are arranged below the stripping block 4, the guide rods 41 sequentially penetrate through the movable mold plate 3 and a base plate 6 and then are connected to an ejector plate 7, the ejector pin 5 is fixedly installed on the ejector plate 7, the ejector pin 5 penetrates through the movable mold core 31, and the top end of the ejector pin 5 abuts against the lower side of a sprue between the runner and the mold cavity.

The backing plate 6 is provided with a support column 8, the movable die core 31 (with a cavity inside) is inserted into the support column 8, the inner side wall of the movable die core 31 is provided with a plurality of connecting blocks 311 arranged circumferentially, the support column 8 is provided with an inserting block 81 corresponding to the connecting block 311 in position, and the inserting block 81 is inserted into a slot on the connecting block 311. The plug block 81 on the support column 8 is integrally formed, so that the processing is convenient, and the connection strength is improved. The thimble 5 passes through the support column 8 and the movable mould core 31 in sequence, and is not easy to deform.

The section of the insertion block 81 is T-shaped, so that the connection quality and strength of the support column 8 and the movable mould core 31 are improved.

The number of the connecting blocks 311 is 3, so that a three-claw integrated internal pulling structure is formed, and the connecting effect of the supporting column 8 and the movable mould core 31 is improved.

The four inner corners on the top surface of the stripping block 4 are provided with the convex blocks 42, and the bottom surface of the fixed mold core 11 is provided with the grooves corresponding to the convex blocks 42 in position, so that the mold closing effect is improved, and the product processing quality is improved.

The fixed mold core 11 comprises a first block body 111 and a second block body 112 which are sequentially arranged from bottom to top, the first block body 111 and the second block body 112 are spliced to form the complete fixed mold core 11, and the fixed mold core 11 is designed in a combined mode, so that the processing difficulty is effectively reduced.

The working principle is as follows: during injection molding, the fixed mold plate and the movable mold plate are closed to form a mold cavity, and a product is molded in the mold cavity. After pressure maintaining is finished, when the die is divided, the ejector plate drives the stripping block to move upwards, the stripping block upwards pushes the product sleeved on the surface of the movable die core to strip the material (the material is stripped outside the product), meanwhile, the ejector pin moves upwards along with the ejector plate, the top end of the ejector pin pushes the sprue to strip the material (the material is stripped inside the product), the separation effect of the product is effectively improved, and the processing quality of the product is improved. The cover half benevolence includes by first block and the second block that supreme arranged gradually down, and first block and second block amalgamation form complete cover half benevolence, and the cover half benevolence modular design effectively reduces the processing degree of difficulty.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an injection mold with structure is taken out in three-jaw integral type which characterized in that includes: the hot runner mold comprises a fixed mold plate (1), a hot runner plate (2), a movable mold plate (3), a stripping block (4) and a thimble (5), wherein a fixed mold core (11) is arranged inside the fixed mold plate (1), a movable mold core (31) is arranged on the movable mold plate (3), a cavity is formed after the fixed mold plate (1) and the movable mold plate (3) are assembled, the bottom of the hot runner plate (2) is abutted to the top surface of the movable mold core (31) to form a runner, the stripping block (4) is sleeved on the movable mold core (31), a plurality of guide rods (41) are arranged below the stripping block (4), the guide rods (41) sequentially penetrate through the movable mold plate (3) and a base plate (6) and then are connected to a thimble plate (7), the thimble (5) is fixedly arranged on the thimble plate (7), the thimble (5) penetrates through the movable mold core (31), and the top end of the thimble (5) is abutted to the lower part of a sprue between the runner and the cavity.

2. The injection mold with the three-jaw integrated inner pulling structure according to claim 1, wherein a support pillar (8) is arranged on the base plate (6), the movable mold core (31) is inserted into the support pillar (8), a plurality of circumferentially arranged connection blocks (311) are arranged on the inner side wall of the movable mold core (31), an insertion block (81) corresponding to the connection blocks (311) is arranged on the support pillar (8), and the insertion block (81) is inserted into a slot on the connection block (311).

3. An injection mold with a three-jaw integrated internal pulling structure according to claim 2, wherein the cross section of the insertion block (81) is T-shaped.

4. An injection mold with a three-jaw integrated internal pulling structure according to claim 2, wherein the number of the connecting blocks (311) is 3.

5. The injection mold with the three-jaw integrated internal pulling structure as claimed in claim 1, wherein the four inner corners of the top surface of the stripping block (4) are provided with protrusions (42), and the bottom surface of the cavity block (11) is provided with grooves corresponding to the protrusions (42).

6. The injection mold with the three-jaw integrated internal pulling structure as claimed in claim 1, wherein the core insert (11) comprises a first block (111) and a second block (112) arranged from bottom to top in sequence.