CN217621958U

CN217621958U - Die set

Info

Publication number: CN217621958U
Application number: CN202220990708.6U
Authority: CN
Inventors: 苏开钦; 蒋跃强; 尹海峰; 王义嘉
Original assignee: Futaihua Industry Shenzhen Co Ltd
Current assignee: Futaihua Industry Shenzhen Co Ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-10-21
Anticipated expiration: 2032-04-26

Abstract

A mold comprises a fixed seat and a mold core connected to the fixed seat. The mold further comprises two first sliding blocks which are arranged on two sides of the mold core along the first direction, and two second sliding blocks which are arranged on two sides of the mold core along the second direction. Each first sliding block can be connected with the fixed seat in a sliding mode along the first direction, one side, facing the mold core, of each first sliding block is provided with a first forming portion and first protruding portions, the first protruding portions are arranged on two sides of each first forming portion, and the first protruding portions extend along the second direction. Each second sliding block can be slidably connected with the fixed seat along the second direction, one side, facing the mold core, of each second sliding block is provided with a second forming part and first concave parts which are arranged on two sides of the second forming part and extend along the second direction. The first and second sliders can slide towards the mold core respectively, so that the first convex portion and the first concave portion are correspondingly locked and connected, and the first and second forming portions are connected with each other and arranged around the mold core. The mould can reduce the risk that the injection pressure causes the sliding blocks to move in a dislocation way.

Description

Die set

Technical Field

The application relates to the technical field of molds, in particular to a mold.

Background

When a mold is used for molding a product, a plurality of sliding blocks are commonly used for splicing and embedding the structural plastic film. Because the slide blocks are moving parts, the slide blocks can move in a staggered mode under the injection molding pressure during injection molding, and injection molding products are poor.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a mold that reduces the risk of the injection pressure causing the sliders to move in a misaligned manner.

An embodiment of the application provides a mold, which comprises a fixed seat and a mold core connected to the fixed seat. The die further comprises two first sliding blocks which are arranged on two sides of the die core along a first direction in an opposite mode, and two second sliding blocks which are arranged on two sides of the die core along a second direction in an opposite mode. The first direction and the second direction are intersected at the mold core position. Each first sliding block is connected with the fixed seat in a sliding mode along the first direction, one side, facing the mold core, of each first sliding block is provided with a first forming portion and first protruding portions, the first protruding portions are arranged on two sides of the first forming portion, and the first protruding portions extend along the second direction. Each second sliding block can be connected with the fixed seat in a sliding mode along the second direction, one side, facing the mold core, of each second sliding block is provided with a second forming portion and first concave portions, the first concave portions are arranged on two sides of each second forming portion and extend along the second direction. The first sliding block and the second sliding block can respectively slide towards the mold core, so that the first convex part and the first concave part are correspondingly locked and connected, and the first forming part and the second forming part are connected with each other and are arranged around the mold core.

In some embodiments of the present application, the mold further comprises a first connecting block and a bending pin. The first connecting block is connected to one side of the first sliding block, which is far away from the die core. The first connecting block is provided with a bent hole, and the bent hole comprises a first section which is obliquely arranged relative to a third direction. The first direction is perpendicular to the second direction, and the third direction is perpendicular to the first direction and the second direction respectively. The bent pin comprises an abutting part which is arranged in the first section in a penetrating way and can move in the first section along the third direction. When the abutting part abuts against the hole wall of the first section, the bent pin moves along the third direction to drive the first sliding block to be close to or far away from the mold core.

In some embodiments of the present application, the curved bore further includes a second section extending along the third direction and communicating with the first section. The bent pin comprises a sliding part, the sliding part is connected with the abutting part, and the sliding part is arranged in the second section in a penetrating mode.

In some embodiments of the present application, the mold further comprises a second connecting block and a slanting pin. The second connecting block is connected to one side, away from the die core, of the second sliding block. The second connecting block is provided with an inclined hole which is obliquely arranged relative to a third direction, the inclined pin penetrates through the inclined hole, and the inclined pin moves along the third direction to drive the second sliding block to be close to or far away from the mold core.

In some embodiments of the present disclosure, a first molding surface and first molding blocks protruding from two sides of the first molding surface are disposed on one side of the first molding portion facing the mold core. And one side of the second molding part, which faces the mold core, is provided with a second molding surface and second molding blocks which are convexly arranged on two sides of the second molding surface. When the die is closed, the first forming blocks and the second forming blocks are correspondingly abutted one by one.

In some embodiments of the present application, a relationship between a first length L1 of the first forming block projecting relative to the first forming surface and a second length L2 of the second forming block projecting relative to the second forming surface satisfies: l1= L2, and L1 is not more than 0.1mm.

In some embodiments of the present application, the mold insert includes a main body portion and a limiting portion connected to the fixing base. The limiting part is arranged around the main body part, and the main body part protrudes from one side of the limiting part, which is far away from the fixed seat. And a first limiting block is further arranged on one side of each first sliding block facing the die core, and the first limiting block is adjacent to the first forming part. The first limiting block faces the limiting portion, the first forming portion faces the main body portion, and when the die is closed, the first limiting block abuts against the limiting portion.

In some embodiments of the present application, each of the first sliding blocks further has a first positioning pin disposed on a side thereof facing the mold core, and the first positioning pin extends from the first limiting block toward the mold core. One side of spacing portion orientation first locating pin is equipped with first positioning groove, works as first stopper butt during spacing portion, first locating pin card is held in the first positioning groove.

In some embodiments of the present application, a second limiting block is further disposed on one side of each of the second sliding blocks facing the mold insert, and the second limiting block is disposed adjacent to the second forming portion. The second limiting block faces the limiting portion, the second forming portion faces the main body portion, and when the first protruding portions are connected with the corresponding first concave portions in a one-to-one locking mode, the second limiting block abuts against the limiting portion.

In some embodiments of the present application, a second positioning pin is further disposed on one side of each of the second sliding blocks facing the mold core, and the second positioning pin is extended from the second limiting block toward the mold core. One side of the limiting part, which faces the second positioning pin, is provided with a second positioning groove, and when the second limiting block abuts against the limiting part, the second positioning pin is clamped in the second positioning groove.

In the molding process of the mold, injection molding materials are injected among the first molding part, the second molding part and the mold core to mold products. When the first sliding block is subjected to injection molding pressure, the first convex part is locked in the first concave part to limit the first sliding block to slide towards the direction far away from the mold core. And the interaction force between the first convex part and the first concave part is increased under the action of injection molding pressure, so that the first convex part is close to or tightly presses the first concave part, and the second sliding block is limited to slide towards the direction away from the die core. To sum up, first convex part is held with the corresponding lock of first concave part and is connected and can reduce the risk that injection pressure leads to producing the dislocation between first slider and the second slider and remove, improves the stability that the mould was moulded plastics.

Drawings

Fig. 1 is a schematic view of a mold clamping state of a mold according to an embodiment of the present application.

Fig. 2 is a schematic view illustrating an opening state of a mold according to an embodiment of the present application.

Fig. 3 is a schematic plan view of a mold in a clamped state according to an embodiment of the present application.

Fig. 4 is a schematic top view illustrating an opened state of a mold according to an embodiment of the present disclosure.

Fig. 5 is a schematic structural view illustrating abutment of a first forming block and a second forming block in a mold according to an embodiment of the present application.

Fig. 6 is a cross-sectional view of fig. 1 taken along section line VI-VI.

Fig. 7 is a cross-sectional view of fig. 1 along section line VII-VII.

Description of the main elements

Mold 100

Fixing seat 10

First chute 11

Second chute 12

Mold insert 20

Main body part 21

Stopper 22

First positioning groove 221

Second positioning slot 222

First slider 30

First molding portion 31

First molding surface 311

First forming block 312

First convex portion 32

First stopper 33

First limit surface 331

First positioning pin 34

Second slider 40

Second molding part 41

The second molding surface 411

Second molding block 412

First recess 42

Second stopper 43

Second limiting surface 431

Second positioning pin 44

First connection block 51

Bent hole 511

First segment 511a

Second segment 511b

Bent pin 52

Abutting part 521

Sliding part 522

Second connecting block 61

Inclined hole 611

Angular pin 62

Wear-resistant sheet 70

Top rod 80

First direction X

Second direction Y

Third direction Z

The following detailed description will further illustrate the present application in conjunction with the above-described figures.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. As used herein, the terms "vertical," "horizontal," "left," "right," "top," "bottom," and the like are used for descriptive purposes only and are not intended to limit the present application.

It will be appreciated that when describing the parallel/perpendicular arrangement of two components, the angle between the two components is allowed to have a tolerance of + -10% with respect to standard parallel/perpendicular.

The embodiment of the application provides a mold, which comprises a fixed seat and a mold core connected to the fixed seat. The mold further comprises two first sliding blocks which are arranged on two sides of the mold core along the first direction, and two second sliding blocks which are arranged on two sides of the mold core along the second direction. The first direction and the second direction are intersected at the position of the mold core. Each first sliding block can be connected with the fixed seat in a sliding mode along the first direction, one side, facing the mold core, of each first sliding block is provided with a first forming portion and first protruding portions, the first protruding portions are arranged on two sides of each first forming portion, and the first protruding portions extend along the second direction. Each second sliding block can be slidably connected with the fixed seat along the second direction, one side, facing the mold core, of each second sliding block is provided with a second forming part and first concave parts which are arranged on two sides of the second forming part and extend along the second direction. The first and second sliders can slide towards the mold core respectively, so that the first convex portion and the first concave portion are correspondingly locked and connected, and the first and second forming portions are connected with each other and arranged around the mold core.

In the molding process of the mold, injection molding materials are injected among the first molding part, the second molding part and the mold core to mold products. When the first sliding block is subjected to injection molding pressure, the first convex part is locked in the first concave part to limit the first sliding block to slide towards the direction far away from the mold core. And the interaction force between the first convex part and the first concave part is increased under the action of injection molding pressure, so that the first convex part is close to or tightly presses the first concave part, and the second sliding block is limited to slide towards the direction away from the die core. To sum up, first convex part is held with the corresponding lock of first concave part and is connected and can reduce the pressure of moulding plastics and lead to producing the risk that the dislocation removed between first slider and the second slider, improves the stability that the mould was moulded plastics.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 and 2 together, a mold 100 for injection molding a product is provided according to an embodiment of the present application. The mold 100 includes a fixing base 10, a mold core 20, two first slides 30, and two second slides 40. The mold core 20 is connected to the fixing base 10. The two first sliding blocks 30 are disposed on two sides of the mold core 20 along the first direction X, and each first sliding block 30 is slidably connected to the fixing base 10 along the first direction X. The two second sliding blocks 40 are disposed on two sides of the mold core 20 along the second direction Y, and each second sliding block 40 is slidably connected to the fixing base 10 along the second direction Y. The first direction X and the second direction Y intersect at the position of the mold core 20.

The first slider 30 has a first forming portion 31 on a side facing the mold core 20, and a first protrusion 32 disposed on two sides of the first forming portion 31 and extending along the second direction Y. One side of the second slider 40 facing the mold core 20 is provided with a second forming portion 41 and first concave portions 42 disposed on two sides of the second forming portion 41 and extending along the second direction Y.

The first slide block 30 and the second slide block 40 can slide towards the mold core 20 respectively, so that the first protrusion 32 and the first recess 42 are correspondingly locked and connected, and the first molding part 31 and the second molding part 41 are connected with each other and surround the mold core 20.

Referring to fig. 3, when the mold 100 is closed, the first slide 30 slides to a predetermined position toward the mold core 20. The second slide block 40 slides towards the mold core 20, and the first protrusions 32 are locked and connected with the corresponding first recesses 42 one by one, and the first forming portion 31 and the second forming portion 41 are connected with each other and surround the periphery of the mold core 20.

In the molding process of the mold 100, the injection molding material is injected between the first molding portion 31, the second molding portion 41 and the core 20 to mold the product. When the first slide block 30 is subjected to injection pressure, the first protrusion 32 is locked in the first recess 42 to limit the first slide block 30 from sliding in a direction away from the mold core 20. Furthermore, the interaction force between the first protrusion 32 and the first recess 42 is increased under the action of the injection pressure, so that the first protrusion 32 abuts against or presses the first recess 42, and the second slider 40 is limited from sliding in the direction away from the die core 20. In conclusion, the first protrusion 32 and the first recess 42 are correspondingly locked and connected, so that the risk of dislocation and movement between the first slider 30 and the second slider 40 caused by injection pressure can be reduced, and the injection stability of the mold 100 is improved.

Referring to fig. 4, it can be understood that when the mold 100 is opened, the second slide 40 slides away from the mold core 20 by a predetermined distance to disengage the first protrusion 32 and the first recess 42 from each other. The first slide 30 slides away from the mold core 20, and the first molding portion 31 and the second molding portion 41 are separated from each other and away from the mold core 20, so that the product can be separated from the mold 100.

Referring to fig. 2 again, in some embodiments, the fixing base 10 is provided with two first sliding grooves 11 oppositely disposed along the first direction X, and two second sliding grooves 12 oppositely disposed along the second direction Y. Each first slider 30 is slidably coupled to a corresponding first slide groove 11, and each second slider 40 is slidably coupled to a corresponding second slide groove 12. The first sliding groove 11 and the second sliding groove 12 are used for limiting the sliding directions of the first sliding block 30 and the second sliding block 40, so that the sliding stability of the first sliding block 30 and the second sliding block 40 is improved, and the injection molding stability of the mold 100 is further improved.

In some embodiments, the first direction X is perpendicular to the second direction Y.

Referring to fig. 2 again, in some embodiments, the mold insert 20 includes a main body 21 and a limiting portion 22 connected to the fixing base 10. The limiting portion 22 is disposed around the main body portion 21, and the main body portion 21 protrudes from a side of the limiting portion 22 away from the fixing base 10. A first stopper 33 is disposed on a side of each first sliding block 30 facing the mold core 20. The first stopper 33 is disposed adjacent to the first molding portion 31 and between the two first protrusions 32. The first forming portion 31 protrudes toward the mold core 20 relative to the first stopper 33. The first stopper 33 faces the stopper portion 22, and the first molded portion 31 faces the main body portion 21. When the mold 100 is closed, the first stopper 33 abuts against the limiting portion 22 to limit the position between the first forming portion 31 and the main body portion 21, so that the first forming portion 31 and the main body portion 21 are matched to form a product conveniently. When the first stopper 33 abuts against the stopper 22, the position of the first slider 30 is the predetermined position.

In some embodiments, a first limiting surface 331 (see fig. 5) is disposed on one side of the first limiting block 33 facing the limiting portion 22, the first limiting surface 331 is used for abutting against the limiting portion 22, and the first limiting surface 331 and the corresponding limiting portion 22 are disposed in a profiling manner, so as to improve the stability of the abutting.

In some embodiments, a first positioning pin 34 is further disposed on a side of each first slider 30 facing the first slider. The first positioning pin 34 extends from the first stopper 33 toward the mold core 20, and a first positioning groove 221 is formed on one side of the stopper 22 facing the first positioning pin 34. When the first stopper 33 abuts against the stopper 22, the first positioning pin 34 is retained in the first positioning groove 221 to further limit the space between the first slide 30 and the mold core 20.

In some embodiments, a second stopper 43 is further disposed on a side of each second sliding block 40 facing the mold core 20. The second stopper 43 is disposed adjacent to the second molding portion 41 and between the two first recesses 42. The second forming portion 41 protrudes toward the mold core 20 relative to the second stopper 43. The second stopper 43 faces the stopper portion 22, and the second molded portion 41 faces the main body portion 21. When the first convex portions 32 are in one-to-one locking connection with the corresponding first concave portions 42, the second limit blocks 43 abut against the limit portions 22 to limit the position between the second forming portion 41 and the main body portion 21, so that the second forming portion 41 and the main body portion 21 can be conveniently matched to form a product.

In some embodiments, a second limiting surface 431 (see fig. 5) is disposed on a side of the second limiting block 43 facing the limiting portion 22, the second limiting surface 431 is used for abutting against the limiting portion 22, and the second limiting surface 431 and the corresponding limiting portion 22 are disposed in a profiling manner, so as to improve the stability of the abutment.

In some embodiments, a second positioning pin 44 is further disposed on a side of each second sliding block 40 facing the mold core 20. The second positioning pin extends from the second limiting block toward the mold core 20, and a second positioning groove 222 is disposed on one side of the limiting portion 22 facing the second positioning pin 44. When the second stopper 43 abuts against the stopper 22, the second positioning pin 44 is retained in the second positioning groove 222 to further limit the position between the second slide 40 and the mold core 20.

In some embodiments, a first molding surface 311 is disposed on one side of the first molding portion 31 facing the core 20, and first molding blocks 312 are protruded on two sides of the first molding surface 311. Specifically, the first molding surface 311 faces the main body portion 21. The second molding surface 411 is disposed on one side of the second molding portion 41 facing the mold core 20, and second molding blocks 412 protruding from two sides of the second molding surface 411.

Referring to fig. 5, when the mold 100 is closed, the first molding surface 311 and the second molding surface 411 are disposed around the main body 21. The first molding blocks 312 and the second molding blocks 412 are abutted in a one-to-one correspondence manner, that is, the adjacent first molding surfaces 311 and the second molding surfaces 411 are in transition connection through the first molding blocks 312 and the second molding blocks 412. The injection molding material is injected among the first molding surface 311, the second molding surface 411 and the main body portion 21 to mold a product, and a avoiding groove is formed at the position of the molded product corresponding to the first molding block 312 and the second molding block 412, so that the risk of burrs generated at the transition position of the molded product corresponding to the first molding surface 311 and the second molding surface 411 is reduced, and the sealing performance of the molded product and the sealing ring connection is further facilitated.

In some embodiments, the first molding surface 311 and the second molding surface 411 are defined along a circumferential surface.

In some embodiments, the relationship between the first length L1 by which the first forming block 312 protrudes with respect to the first forming surface 311, and the second length L2 by which the second forming block 412 protrudes with respect to the second forming surface 411 satisfies: l1= L2, and L1 is less than or equal to 0.1mm, so as to control the depth of the formed product avoiding groove and meet the requirement of product sealing property.

Alternatively, L1 may take one of 0.01mm, 0.02mm, 0.03mm, 0.04mm, 0.05mm, 0.06mm, 0.07mm, 0.08mm, 0.09mm, 0.1mm, and the like. Correspondingly, L2= L1, and L2 has the same value as L1, and is not listed here.

Referring to fig. 1 and 6 together, in some embodiments, the third direction Z is perpendicular to the first direction X and the second direction Y, respectively. The mold 100 further includes a first connecting block 51 and a bending pin 52. The first connecting block 51 is connected to a side of the first slide block 30 away from the mold core 20. The first connection block 51 is provided with a bent hole 511, and the bent hole 511 includes a first section 511a obliquely arranged with respect to the third direction Z. The bending pin 52 includes an abutment 521, and the abutment 521 is disposed through the first segment 511a and is movable in the third direction Z in the first segment 511a.

It can be understood that when the abutment 521 moves in the third direction Z in the first segment 511a and does not abut against the hole wall of the first segment 511a, there is no interaction force between the abutment 521 and the first slider 30. When the abutting portion 521 abuts against the hole wall of the first segment 511a, the bent pin 52 moves along the third direction Z to make the abutting portion 521 and the hole wall of the first segment 511a slide relatively, so as to drive the first slider 30 to approach or leave the mold core 20.

The curved hole 511 further includes a second segment 511b, and the second segment 511b extends in the third direction Z and communicates with the first segment 511a. The bending pin 52 includes a sliding portion 522, the sliding portion 522 connects the contact portion 521, and the sliding portion 522 is inserted into the second segment 511 b. The sliding portion 522 slides in the second segment 511b along the third direction Z to bring the abutting portion 521 to move in the first segment 511a along the third direction Z.

Referring to fig. 1 and 7, in some embodiments, the mold 100 further includes a second connecting block 61 and an oblique pin 62. The second connecting block 61 is connected to a side of the second sliding block 40 away from the mold core 20. The second connecting block 61 is provided with an inclined hole 611 disposed obliquely with respect to the third direction Z. The angle pin 62 is disposed in the angle hole 611, and the angle pin 62 moves along the third direction Z to make the angle pin 62 and the hole wall of the angle hole 611 slide relatively, so as to drive the second slide block 40 to approach or leave the mold core 20.

In some embodiments, the bending pin 52 and the angular pin 62 are moved in the third direction Z synchronously by a drive (not shown). The mold 100 can be opened in two stages, in the first stage, the abutting portion 521 moves in the first section 511a along the third direction Z without abutting against the hole wall of the first section 511a, the angle pin 62 moves along the third direction Z to make the angle pin 62 and the hole wall of the angle hole 611 slide relatively, at this time, the position of the first slider 30 is not changed, the second slider 40 slides away from the mold core 20, and the first convex portion 32 and the first concave portion 42 are separated from each other and locked (see fig. 4). In the second stage, when the second slider 40 slides away from the mold core 20 for a predetermined distance, the abutting portion 521 abuts against the hole wall of the first segment 511a, the bent pin 52 moves along the third direction Z to cause the abutting portion 521 and the hole wall of the first segment 511a to slide relatively, the inclined pin 62 moves along the third direction Z to cause the inclined pin 62 and the hole wall of the inclined hole 611 to slide relatively, and at this time, the first slider 30 and the second slider 40 synchronously slide away from the mold core 20 (see fig. 1), so that the product is separated from the mold 100.

By the cooperation of the bent pin 52 and the oblique pin 62, when the mold 100 is opened, the second slide 40 slides a predetermined distance away from the mold core 20 before the first slide 30 slides, so that the first convex portion 32 and the first concave portion 42 are separated from each other.

It is understood that the mold 100 can be closed in two stages, in the first stage, the first slide block 30 and the second slide block 40 slide towards the mold core 20 synchronously, and the first slide block 30 slides to a predetermined position (see fig. 4). In the second stage, the position of the first slide block 30 is unchanged, and the second slide block 40 continues to slide toward the mold core 20, so that the first convex portions 32 are locked and connected with the corresponding first concave portions 42 one by one (see fig. 3).

Referring to fig. 1 again, in some embodiments, the mold 100 further includes a plurality of wear-resistant plates 70, one wear-resistant plate 70 is connected to a side of each first connecting block 51 away from the first sliding block 30, one wear-resistant plate 70 is connected to a side of each second connecting block 61 away from the second sliding block 40, and the wear-resistant plates 70 are used for reducing wear generated during the use of the first connecting block 51 and the second connecting block 61.

Referring to fig. 6 and 7 again, in some embodiments, the mold 100 further includes an ejector rod 80, and the ejector rod 80 is disposed through the mold core 20 to eject the molded product.

In summary, in the molding process of the mold 100, the injection molding material is injected between the first molding portion 31, the second molding portion 41 and the mold core 20 to mold the product. When the first slide block 30 is subjected to injection pressure, the first protrusion 32 is locked in the first recess 42 to limit the first slide block 30 from sliding in a direction away from the mold core 20. Furthermore, the interaction force between the first protrusion 32 and the first recess 42 is increased under the action of the injection pressure, so that the first protrusion 32 abuts against the first recess 42 to limit the second slider 40 from sliding in the direction away from the mold core 20. In conclusion, the first protrusion 32 and the first recess 42 are correspondingly locked and connected, so that the risk of dislocation and movement between the first slider 30 and the second slider 40 caused by injection pressure can be reduced, and the injection stability of the mold 100 is improved.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present application and are not to be taken as limiting the present application, and that suitable changes and modifications to the above embodiments are within the scope of the present disclosure as long as they are within the spirit and scope of the present application.

Claims

1. The utility model provides a mold, the mold includes the fixing base and connects in mould benevolence on the fixing base, its characterized in that: the mould also comprises two first sliding blocks which are oppositely arranged on two sides of the mould core along a first direction, and two second sliding blocks which are oppositely arranged on two sides of the mould core along a second direction, the first direction and the second direction are intersected at the position of the mould core,

each first sliding block can be connected with the fixed seat in a sliding way along the first direction, one side of the first sliding block, which faces the die core, is provided with a first forming part and first convex parts which are arranged at two sides of the first forming part and extend along the second direction,

each second sliding block can be connected with the fixed seat in a sliding way along the second direction, one side of the second sliding block facing the mold core is provided with a second forming part and first concave parts which are arranged at two sides of the second forming part and extend along the second direction,

the first sliding block and the second sliding block can respectively slide towards the die core, so that the first convex part and the first concave part are correspondingly locked and connected, and the first forming part and the second forming part are connected with each other and are arranged around the die core.

2. The mold of claim 1, wherein: the die further comprises a first connecting block and a bent pin, the first connecting block is connected to one side, away from the die core, of the first sliding block, the first connecting block is provided with a bent hole, the bent hole comprises a first section which is obliquely arranged relative to a third direction, the first direction is perpendicular to the second direction, the third direction is perpendicular to the first direction and the second direction respectively, the bent pin comprises an abutting portion, the abutting portion penetrates through the first section and can move in the first section along the third direction, and when the abutting portion abuts against the hole wall of the first section, the bent pin moves in the third direction to drive the first sliding block to be close to or away from the die core.

3. The mold of claim 2, wherein: the curved hole further comprises a second section, the second section extends in the third direction and is communicated with the first section, the curved pin comprises a sliding portion, the sliding portion is connected with the abutting portion, and the sliding portion penetrates through the second section.

4. The mold of claim 2, wherein: the die further comprises a second connecting block and an inclined pin, the second connecting block is connected to one side, far away from the die core, of the second sliding block, the second connecting block is provided with an inclined hole which is obliquely arranged relative to a third direction, the inclined pin penetrates through the inclined hole, and the inclined pin moves along the third direction to drive the second sliding block to be close to or far away from the die core.

5. The mold of claim 1, wherein: the first forming part is provided with a first forming surface and first forming blocks which are convexly arranged on two sides of the first forming surface, one side of the second forming part, which faces the die core, is provided with a second forming surface and second forming blocks which are convexly arranged on two sides of the second forming surface, and when the die is closed, the first forming blocks and the second forming blocks are correspondingly abutted one by one.

6. The mold of claim 1, wherein: the relationship between a first length L1 of the first forming block projecting relative to the first forming surface and a second length L2 of the second forming block projecting relative to the second forming surface satisfies: l1= L2, and L1 is less than or equal to 0.1mm.

7. The mold of claim 1, wherein: the mould benevolence including connect in main part and spacing portion on the fixing base, spacing portion encloses to be located main part week side, the main part certainly spacing portion is kept away from one side protrusion of fixing base, each first slider orientation one side of mould benevolence still is equipped with first stopper, first stopper with first shaping portion is adjacent to be set up, first stopper orientation spacing portion, first shaping portion orientation the main part is worked as during the mould compound die, first stopper butt spacing portion.

8. The mold of claim 7, wherein: each first sliding block faces one side of the mould core and is further provided with a first positioning pin, the first positioning pin extends towards the mould core from the first limiting block, one side of the limiting portion facing the first positioning pin is provided with a first positioning groove, and when the first limiting block abuts against the limiting portion, the first positioning pin is clamped in the first positioning groove.

9. The mold of claim 7, wherein: each second slider is provided with a second limiting block on one side facing the mold insert, the second limiting blocks are arranged adjacent to the second forming portions, the second limiting blocks face the limiting portions, the second forming portions face the main body portion, and when the first convex portions are in one-to-one locking connection with the corresponding first concave portions, the second limiting blocks abut against the limiting portions.

10. The mold of claim 9, wherein: each second slider still is equipped with the second locating pin towards one side of mould benevolence, the second locating pin by the second stopper extends the setting towards mould benevolence direction, spacing portion is equipped with the second constant head tank towards one side of second locating pin, when the second stopper butt when spacing portion, the second locating pin card is held in the second constant head tank.