CN218366167U

CN218366167U - Die set

Info

Publication number: CN218366167U
Application number: CN202222014532.3U
Authority: CN
Inventors: 郭凤龙; 严红伟
Original assignee: Futaihua Industry Shenzhen Co Ltd
Current assignee: Futaihua Industry Shenzhen Co Ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-01-24
Anticipated expiration: 2032-08-01

Abstract

The utility model relates to the technical field of mold, aim at solving the technical problem that the non-runner side of injection moulding product can't satisfy the outward appearance requirement, provide the mould, it includes public mould subassembly, master model subassembly, switch plate and ejecting piece. The female die assembly defines a first runner, and the female die assembly is arranged on the male die assembly and defines a cavity with the male die assembly. The kick-out plate is arranged on one side, deviating from the male die assembly, of the female die assembly, the second runner is limited by the kick-out plate, and when the die is closed, the second runner, the first runner and the die cavity are communicated in sequence. The ejection piece is arranged at the joint of the male die assembly and the female die assembly and is used for ejecting the female die assembly firstly during die opening. The beneficial effects of the utility model are that can not destroy injection moulding product's outward appearance side during the die sinking.

Description

Die set

Technical Field

The utility model relates to the technical field of molds, particularly, relate to the mould.

Background

The gate of the known injection product is positioned on one side of the known injection product, which faces the female die, and the ejection mechanism for ejecting the injection product is positioned on the male die, so that the appearance requirement of the non-gate side of the injection product cannot be met because the gate is arranged on one side of the known finished product of the injection product and the ejection trace of the ejection mechanism is arranged on the other side of the known finished product of the injection product.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mold to solve the technical problem that the non-runner side of injection moulding product can't satisfy the outward appearance requirement.

The embodiment of the utility model is realized like this:

a mold comprises a male mold component, a female mold component, a material shifting plate and a jacking component. The female die assembly defines a first runner, and the female die assembly is arranged on the male die assembly and defines a cavity with the male die assembly. The kick-out plate is arranged on one side, away from the male die assembly, of the female die assembly, the kick-out plate limits a second flow passage, and when the die is closed, the second flow passage, the first flow passage and the die cavity are communicated in sequence. The ejection piece is arranged at the joint of the male die assembly and the female die assembly and is used for ejecting the female die assembly firstly when the die is opened.

The utility model discloses a when the mould compound die was pour, the material of moulding plastics flowed into the die cavity from second runner, first runner in proper order, formed the runner at second runner and first runner after the material solidification of moulding plastics, formed injection moulding product at the die cavity. When the mold of the utility model is opened, the male mold component and the female mold component are firstly unlocked, the female mold component is ejected by the ejection component at the moment, and the injection product is kept connected with the sprue, so that the injection product can be separated from the male mold component and kept at the female mold component; the kick-out plate is separated from the female die assembly, and the sprue can be separated from the first runner on the female die assembly, so that the injection molding product is disconnected from the sprue and still remains on the side surface of the female die assembly facing the male die assembly, and the injection molding product attached to the female die assembly is taken out through the sucker, so that a better protection effect can be achieved on the appearance side of the injection molding product, which deviates from the sprue side of the injection molding product, and the appearance requirement of the product can be met.

In one possible embodiment: the ejection piece comprises an elastic piece, the elastic piece is elastically supported between the male die assembly and the female die assembly, and the elastic piece is used for ejecting the female die assembly when the die is opened.

In one possible embodiment: one side of the male die assembly, which faces the female die assembly, is provided with a first accommodating groove, one end of the elastic piece is connected to the first groove bottom wall of the first accommodating groove, and the other end of the elastic piece is used for elastically abutting against the female die assembly.

In one possible embodiment: the elastic member includes: one end of the elastic part is connected with the male die assembly; and one end of the abutting part is connected with the elastic part, and the other end of the abutting part abuts against the female die assembly.

In one possible embodiment: the ejection piece further comprises a guide piece, the guide piece extends along the die opening direction, the guide piece is provided with a large end and a small end, the small end is arranged on the male die assembly, the large end is close to the female die assembly, the abutting portion is provided with a step hole, the guide piece penetrates through the step hole, and when the female die assembly is ejected, the large end can abut against the step of the step hole to limit the abutting portion to be separated.

In one possible embodiment: the male die assembly is characterized in that a groove is formed in one side, facing the female die assembly, of the male die assembly, the groove and the side, facing the male die assembly, of the female die assembly enclose the die cavity, a protrusion is formed in one side, facing the male die assembly, of the female die assembly, an outlet of the first runner is formed in the protrusion, and the projection of the first runner on the male die assembly is located on the inner side of the groove.

In one possible embodiment: and a second accommodating groove is formed in one side of the female die assembly, which faces the male die assembly, and the other end of the elastic piece is used for elastically abutting against the second groove bottom wall of the second accommodating groove.

In one possible embodiment: the ejection pieces are arranged in a plurality of numbers, and the ejection pieces are distributed in a surface perpendicular to the die opening direction.

In one possible embodiment: the die further comprises a pull rod assembly, the pull rod assembly penetrates through the kick-out plate and the female die assembly, one end of the pull rod assembly can abut against one side, away from the female die assembly, of the kick-out plate, the other end of the pull rod assembly can abut against one side, away from the kick-out plate, of the female die assembly, and the pull rod assembly is used for limiting the maximum stroke when the kick-out plate and the female die assembly are separated when the die is opened.

In one possible embodiment: the die further comprises a stroke limiting part, one end of the stroke limiting part is connected with the male die assembly, the other end of the stroke limiting part is connected with the female die assembly, and the stroke limiting part is constructed to limit the maximum stroke of the male die assembly and the female die assembly when the die is opened.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings 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 from the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a mold according to an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of a mold according to an embodiment of the present invention;

FIG. 3 is a schematic view of a portion of the enlarged structure at A in FIG. 2;

FIG. 4 is a schematic view of a portion of the enlarged structure at B in FIG. 2;

fig. 5 is a schematic structural view of an embodiment of the present invention when the mold is opened;

fig. 6 is a second schematic structural view of the mold according to an embodiment of the present invention during mold opening;

fig. 7 is a third schematic view of the structure of the mold according to the embodiment of the present invention when the mold is opened;

fig. 8 is a fourth schematic structural view of the mold opening according to an embodiment of the present invention.

Description of the main element symbols:

mold 100

Male die assembly 10

The first accommodation groove 11

Male template 12

Core insert 13

Groove 14

Master mold assembly 20

First flow passage 21

Mother template 22

Female die core 23

Projection 24

Second accommodation groove 25

First hole 26

Kick-out plate 30

Second flow passage 31

Second hole 32

Mold cavity 40

Ejector 50

Elastic member 51

Elastic part 511

Abutting part 512

Stepped hole 5121

Step 5122

Guide 52

Big end 521

Small end 522

Drawbar assembly 60

Pull rod 61

Stop block 62

Stroke limiting piece 70

Stopper plate 71

Limiting groove 711

Stopper 72

Locking member 80

Guide rod 91

Upper fixing plate 92

Gate 200

Injection molded product 300

Direction L of die sinking

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

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 invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Some embodiments of the invention are described in detail. In the following embodiments, features of the embodiments may be combined with each other without conflict.

Examples

Referring to fig. 1 to 8, the present embodiment provides a mold 100 including a male mold member 10, a female mold member 20, a material-ejecting plate 30, and an ejector 50. The female mold half 20 defines a first flow path 21, and the female mold half 20 is disposed on the male mold half 10 and defines a cavity 40 with the male mold half 10. The kick-out plate 30 is arranged on one side of the female die assembly 20, which is far away from the male die assembly 10, the kick-out plate 30 defines a second runner 31, and when the die 100 is closed, the second runner 31, the first runner 21 and the die cavity 40 are sequentially communicated. An ejector 50 is provided at the junction of the male mold half 10 and the female mold half 20, the ejector 50 being used to first eject the female mold half 20 when opening the mold.

The utility model discloses a when mould 100 compound dies were pour, the material of moulding plastics flowed into die cavity 40 from second runner 31, first runner 21 in proper order, formed runner 200 at second runner 31 and first runner 21 after the material solidification of moulding plastics, formed injection moulding product 300 at die cavity 40. When the mold 100 of the utility model is opened, the male mold assembly 10 and the female mold assembly 20 are firstly unlocked, at the moment, the ejecting part 50 ejects the female mold assembly 20, and the injection product 300 is kept connected with the sprue 200, so that the injection product 300 can be separated from the male mold assembly 10 and kept at the female mold assembly 20; the material shifting plate 30 is separated from the female mold assembly 20, and the gate 200 can be removed from the first runner 21 of the female mold assembly 20, so that the injection product 300 is disconnected from the gate 200 and still remains on the side of the female mold assembly 20 facing the male mold assembly 10, and at the moment, the injection product 300 attached to the female mold assembly 20 is taken out through the suction cup, so that the appearance side of the injection product 300 away from the gate 200 can be well protected, and the appearance requirement of the product can be met.

It should be noted that, in the embodiment of the present invention, compared to the known three-plate mold 100, it is not necessary to additionally provide an ejection mechanism in the male mold assembly 10 or the female mold assembly 20 to eject the injection molding product 300, and it is not necessary to provide a shutter at the connection between the male mold assembly 10 and the female mold assembly 20, so as to further simplify the overall structure of the mold 100 and the mold closing and opening process of the mold 100.

In the embodiment of the present invention, the mold opening direction L of the mold 100 is the distribution direction of the female mold assembly 20 and the male mold assembly 10.

In some embodiments, referring to fig. 2 and 3, the ejection member 50 includes a resilient member 51, the resilient member 51 is resiliently supported between the male mold member 10 and the female mold member 20, and the resilient member 51 is used to eject the female mold member 20 when opening the mold.

The elastic member 51 has the characteristics of low cost and stable control, and can ensure that the female die assembly 20 is firstly separated from the male die assembly 10 when the die is opened, so that the problems that the sprue 200 is separated from the injection product 300 and the injection product 300 cannot be kept on the female die assembly 20 due to the separation of the material shifting plate 30 and the female die assembly 20 are avoided.

In some embodiments, the core assembly 10 includes a core plate 12 and a core insert 13, and the cavity assembly 20 includes a cavity plate 22 and a cavity insert 23, the core insert 13 and the cavity insert 23 interfacing and defining a cavity 40.

In some embodiments, referring to fig. 2 and 3, a side of the male mold member 10 facing the female mold member 20 is provided with a first receiving groove 11, one end of the elastic element 51 is connected to a first groove bottom wall of the first receiving groove 11, and the other end is used for elastically abutting against the female mold member 20.

The first receiving groove 11 can guide the movement of the elastic member 51 ejecting the female mold assembly 20, so as to stably and reliably separate the female mold assembly 20 from the male mold assembly 10, and the elastic force applied by the elastic member 51 to the female mold assembly 20 deviates from the mold opening direction L, which causes a problem that the injection molded product 300 is damaged when the female mold assembly 20 is separated from the male mold assembly 10, thereby further improving the protection effect of the injection molded product 300.

In some embodiments, referring to fig. 2 and 3, the female mold member 20 is provided with a second receiving groove 25 on a side facing the male mold member 10, and the other end of the elastic element 51 is used for elastically abutting against a second groove bottom wall of the second receiving groove 25.

The second receiving grooves 25 can cooperate with the first receiving grooves 11 to improve the guiding effect of the elastic members 51, and further improve the direction accuracy of the elastic force applied by the elastic members 51 to the female mold assembly 20.

Specifically, in the mold opening direction L, a projection of the first receiving groove 11 on the female mold assembly 20, a projection of the first receiving groove 11 on the male mold assembly 10, a projection of the second receiving groove 25 on the female mold assembly 20, and a projection of the second receiving groove 25 on the male mold assembly 10 coincide with each other.

Specifically, referring to fig. 2 and 3, the first receiving groove 11 is disposed on the male mold plate 12, and the second receiving groove 25 is disposed on the female mold plate 22.

In some embodiments, referring to fig. 2 and 3, the elastic member 51 includes an elastic portion 511 and an abutting portion 512. One end of the elastic part 511 is connected to the male mold assembly 10. One end of the abutting portion 512 is connected to the elastic portion 511, and the other end abuts against the female mold assembly 20.

The elastic force of the elastic portion 511 can be transmitted to the female die assembly 20 through the abutting portion 512 by providing the abutting portion 512, and the elastic force transmitted from the abutting portion 512 to the female die assembly 20 is more stable and reliable than the female die assembly 20 is pushed out by the elastic portion 511 alone.

Specifically, the abutting portion 512 in this embodiment is a rigid abutting block.

The elastic portion 511 can be a spring, and in the mold closing state of the mold 100, the elastic portion 511 is in a compressed state to provide an elastic supporting force for the female mold assembly 20 through the abutting portion 512, and after the male mold assembly 10 is unlocked from the female mold assembly 20, the elastic portion 511 can release and push the abutting portion 512 to drive the female mold assembly 20 to move away from the male mold assembly 10, so that the female mold assembly 20 is separated from the male mold assembly 10.

In some embodiments, referring to fig. 2 and 3, the ejecting member 50 further includes a guide member 52, the guide member 52 extends along the mold opening direction L, the guide member 52 has a large end 521 and a small end 522, the small end 522 is disposed on the male mold assembly 10, the large end 521 is close to the female mold assembly 20, the abutting portion 512 opens the stepped hole 5121, the guide member 52 passes through the stepped hole 5121, and when the elastic member 51 ejects the female mold assembly 20, the large end 521 can abut against the step 5122 of the stepped hole 5121 to limit the abutting portion 512 from being disengaged.

The guide member 52 can enhance the guiding effect of the elastic force applied from the elastic member 51 to the mother die assembly 20. Meanwhile, the large end 521 can be matched with the stepped hole 5121 to limit the abutting part 512 to be separated from the female die assembly 20, so that the repeated use difficulty of the ejector is reduced, and the abutting part 512 and the elastic part 511 can be conveniently pressed between the male die assembly 10 and the female die assembly 20 during die assembly.

In some embodiments, referring to fig. 2 and 4, a side of the male mold member 10 facing the female mold member 20 is provided with a groove 14, the groove 14 and a side of the female mold member 20 facing the male mold member 10 define a cavity 40, a side of the female mold member 20 facing the male mold member 10 is provided with a protrusion 24, an outlet of the first flow channel 21 is provided with the protrusion 24, and a projection of the first flow channel 21 on the male mold member 10 is located inside the groove 14.

The protrusion 24 can increase the contact area between the molded product and the side of the female mold component 20 facing the male mold component 10, so as to further ensure that the molded product can be kept on the female mold component 20 when the male mold component 10 and the female mold component 20 are separated, and prevent the injection molded product 300 from being adhered to the male mold component 10, thereby improving the protection effect on the non-gate 200 side of the injection molded product 300. In addition, through the arrangement of the protrusion 24, a groove corresponding to the protrusion 24 can be formed on the injection product 300, so that the shape of the injection product 300 can be limited to meet the requirement.

Specifically, in the present embodiment, the protrusions 24 are hemispherical protrusions 24, which facilitate the separation of the injection molded product 300 from the female mold member 20.

Specifically, the protrusion 24 is disposed on the cavity insert 23, and the recess 14 is disposed on the core insert 13.

In some embodiments, the ejector 50 is provided in plural, and the plural ejectors 50 are distributed in a plane perpendicular to the mold opening direction L.

Most of the known injection products 300 are in large-surface contact with the female mold assembly 20 and the male mold assembly 10, and the plurality of ejection members 50 can provide stable mold opening acting force for the female mold assembly 20, so that the injection products 300 are prevented from being bent when being ejected from the male mold assembly 10, and the protection effect on the injection products 300 is improved.

In some embodiments, as shown in fig. 2, the mold 100 further includes a pull rod assembly 60, the pull rod assembly 60 is disposed through the material-poking plate 30 and the female mold assembly 20, one end of the pull rod assembly 60 can support one side of the material-poking plate 30 away from the female mold assembly 20, the other end of the pull rod assembly 60 can support one side of the female mold assembly 20 away from the material-poking plate 30, and the pull rod assembly 60 is used for limiting the maximum stroke when the material-poking plate 30 and the female mold assembly 20 are separated when the mold is opened.

The tie bar assembly 60 is configured to limit the maximum travel of the stripper plate 30 and the master mold assembly 20 away from each other during mold opening so that the stripper plate 30 and the master mold assembly 20 can be quickly closed after being separated.

Specifically, referring to fig. 5, the switch plate 30 is provided with a first hole 26, the female die assembly 20 is provided with a second hole 32, the pull rod assembly 60 includes a pull rod 61, two ends of the pull rod 61 are respectively provided with a limiting block 62, the pull rod 61 penetrates through the first hole 26 and the second hole 32, the cross-sectional area of the limiting block 62 is larger than that of the first hole 26, and the cross-sectional area of the limiting block 62 is larger than that of the second hole 32.

In addition, it should be noted that, in the embodiment of the present invention, the material-poking plate 30 and the female mold assembly 20 are not first separated when the mold 100 opens the mold, and therefore the spring for separating the material-poking plate 30 and the female mold assembly 20 does not need to be sleeved outside the pull rod assembly 60, thereby saving the cost of the mold 100, and the hole or the groove for accommodating the spring does not need to be processed in the female mold assembly 20 or the material-poking plate 30, so as to reduce the processing difficulty of the female mold assembly 20 or the material-poking plate 30.

In some embodiments, referring to fig. 1 and 2, the mold 100 further comprises a travel stop 70, one end of the travel stop 70 is connected to the male mold half 10, and the other end is connected to the female mold half 20, the travel stop 70 being configured to limit the maximum travel of the male mold half 10 and the female mold half 20 during opening of the mold.

The travel limiter 70 can limit the travel of the male mold assembly 10 and the female mold assembly 20, so that the mold can be quickly closed after the material-ejecting plate 30 and the female mold assembly 20 are separated.

Specifically, referring to fig. 2, the stroke limiting member 70 includes a limiting plate 71 and two limiting portions 72, the limiting plate 71 is provided with a limiting groove 711 extending along the mold opening direction L, the male mold assembly 10 is provided with one limiting portion 72, the female mold assembly 20 is provided with the other limiting portion 72, one of the two limiting portions 72 is connected to the stroke limiting member 70, and the other limiting portion is inserted into the limiting groove 711.

Meanwhile, the stroke limiting member 70 can facilitate the mold opening action of the mold 100, so that the male mold assembly 10 and the female mold assembly 20 have a larger space after being separated, and the acquisition of the injection molding product 300 can be conveniently completed through the suction cup.

Of course, in the other embodiments of the present invention, taking off the injection molding product 300 from the female mold assembly 20 is not limited to grabbing by the suction cup, for example, the injection molding product 300 can be ejected from the gate 200 of the injection molding product 300 by setting the ejection mechanism in the female mold assembly 20, and the suction cup grabbing the injection molding product 300 can improve the protection effect on the injection molding product 300, and reduce the structural complexity of the mold 100.

Specifically, the stopper portion 72 in the present embodiment is a bolt and a nut.

In some embodiments, the mold 100 further includes an ejection structure, one end of the ejection structure is connected to the material-ejecting plate 30, a portion of the other end of the ejection structure can abut against the female mold component 20, a side of the material-ejecting plate 30 facing the female mold component 20, and another portion of the cable at the other end of the ejection structure and the first flow channel 21 define a flow channel cavity.

In addition, the specific structure of the pop-up structure in this embodiment may refer to the specific structure of the ejection member, and is not described herein again.

In some embodiments, referring to fig. 2, the mold 100 further includes a guide rod 91, the guide rod 91 is disposed through the male mold assembly 10, the female mold assembly 20, and the switch plate 30, and the guide rod 91 is used to limit the closing of the male mold assembly 10, the female mold assembly 20, and the switch plate 30, so as to ensure that the cavity 40 does not deviate, and at the same time, to guide the opening of the male mold assembly 10, the female mold assembly 20, and the switch plate 30.

In some embodiments, referring to FIG. 8, the mold 100 further includes an upper retainer plate 92, the upper retainer plate 92 being disposed on a side of the material moving plate 30 facing away from the female mold assembly 20.

In some embodiments, referring to fig. 1, mold 100 further comprises retaining member 80, and both ends of retaining member 80 are connected to male mold unit 10 and upper fixing plate 92, respectively.

Referring to fig. 5 to 8, the mold opening process of the mold 100 according to the embodiment of the present invention is as follows:

referring to fig. 5, the male mold assembly 10 and the female mold assembly 20 are unlocked, the elastic force of the elastic portion 511 drives the abutting portion to push the female mold assembly 20 to separate from the male mold assembly 10 first, the gate 200 in the female mold assembly 20 drives the injection molding product 300 to separate from the male mold assembly 10, and the female mold assembly 20 is moved to the maximum stroke position.

Referring to fig. 6, the switch plate 30 and the female mold assembly 20 are unlocked, the switch plate 30 is moved in a direction away from the female mold assembly 20 until the stopper 62 of the pull rod assembly 60 abuts against the female mold assembly 20, the gate 200 in the switch plate 30 drives the gate 200 in the female mold assembly 20 to move out of the first runner 21, and the gate 200 is disconnected from the injection product 300, and the injection product 300 is kept on the side of the female mold assembly 20 facing the male mold assembly 10.

Referring to fig. 7 and 8, the upper fixing plate 92 and the material-ejecting plate 30 are unlocked to expose the stub of the gate 200 located in the second flow path 31 of the material-ejecting plate 30, and then the gate 200 is removed by a robot or an ejecting mechanism, and the injection product 300 located on the master mold assembly 20 is removed by an adsorption mechanism.

Although the present invention has been described in detail with reference to the above preferred embodiments, those skilled in the art will appreciate that modifications and equivalents may be made to the disclosed embodiments without departing from the spirit and scope of the invention.

Claims

1. A mold, comprising:

a male mold component;

the female die assembly is arranged on the male die assembly and defines a cavity together with the male die assembly;

the material stirring plate is arranged on one side, away from the male die assembly, of the female die assembly, the material stirring plate limits a second flow passage, and when the die is closed, the second flow passage, the first flow passage and the die cavity are communicated in sequence;

the ejection piece is arranged at the joint of the male die assembly and the female die assembly and used for ejecting the female die assembly firstly when the die is opened.

2. The mold of claim 1, wherein: the ejection piece comprises an elastic piece, the elastic piece is elastically supported between the male die assembly and the female die assembly, and the elastic piece is used for ejecting the female die assembly when the die is opened.

3. The mold of claim 2, wherein: one side of the male die assembly, which faces the female die assembly, is provided with a first accommodating groove, one end of the elastic piece is connected to the first groove bottom wall of the first accommodating groove, and the other end of the elastic piece is used for elastically abutting against the female die assembly.

4. The mold of claim 2, wherein: the elastic member includes:

one end of the elastic part is connected with the male die assembly;

and one end of the abutting part is connected with the elastic part, and the other end of the abutting part abuts against the female die assembly.

5. The mold of claim 4, wherein: the ejecting opening piece further comprises a guide piece, the guide piece extends along the die opening direction, the guide piece is provided with a large end and a small end, the small end is arranged on the male die assembly, the large end is close to the female die assembly, the abutting portion is provided with a step hole, the guide piece penetrates through the step hole, and when the female die assembly is ejected, the large end can abut against the step of the step hole to limit the abutting portion to be separated.

6. The mold of claim 2, wherein: and a second accommodating groove is formed in one side of the female die assembly, which faces the male die assembly, and the other end of the elastic piece is used for elastically abutting against the second groove bottom wall of the second accommodating groove.

7. The mold of claim 1, wherein: the male die assembly is characterized in that a groove is formed in one side, facing the female die assembly, of the male die assembly, the groove and the side, facing the male die assembly, of the female die assembly enclose the die cavity, a protrusion is formed in one side, facing the male die assembly, of the female die assembly, an outlet of the first runner is formed in the protrusion, and the projection of the first runner on the male die assembly is located on the inner side of the groove.

8. The mold of claim 1, wherein: the ejection pieces are arranged in a plurality of numbers, and the ejection pieces are distributed in a surface perpendicular to the die opening direction.

9. The mold of claim 1, wherein: the die further comprises a pull rod assembly, the pull rod assembly penetrates through the kick-out plate and the female die assembly, one end of the pull rod assembly can abut against one side, away from the female die assembly, of the kick-out plate, the other end of the pull rod assembly can abut against one side, away from the kick-out plate, of the female die assembly, and the pull rod assembly is used for limiting the maximum stroke when the kick-out plate and the female die assembly are separated when the die is opened.

10. The mold of claim 1, wherein: the mould still includes the stroke locating part, the one end of stroke locating part with public mould subassembly is connected, the other end with the master model subassembly is connected, the stroke locating part is constructed into the restriction when opening the mould public mould subassembly with the biggest stroke of master model subassembly.