CN215242221U

CN215242221U - Die set

Info

Publication number: CN215242221U
Application number: CN202023192476.XU
Authority: CN
Inventors: 沈汉明; 邹万雄; 罗军华; 杨华斌; 陈科峰; 杜海全
Original assignee: Henan Yuzhan Precision Technology Co Ltd
Current assignee: Fulian Yuzhan Technology Henan Co Ltd
Priority date: 2020-12-27
Filing date: 2020-12-27
Publication date: 2021-12-21
Anticipated expiration: 2030-12-27

Abstract

The utility model provides a mold, includes lower mould, tool and slide mechanism, and the lower mould includes lower bolster, thimble board and thimble down, and the lower bolster upper surface is equipped with the holding chamber, and the lower bolster still is equipped with first through-hole, and in first through-hole was worn to locate by lower thimble, the tool included body and elastic component, and the body was equipped with the second through-hole, and elastic component and this body coupling, slide mechanism included ejector pin and slider, and the slider is equipped with the spout, and the ejector pin is worn to locate in the spout. After the ejector pin plate of the mold rises for a first preset distance, the lower ejector pin lifts the elastic assembly to jack up the material in the accommodating cavity, and the elastic assembly automatically returns after the lower ejector pin falls, so that the purpose of avoiding damaging the material and improving the yield is realized.

Description

Die set

Technical Field

The application relates to the field of injection molding, in particular to a mold.

Background

At present, the mold insert is placed in the mold cavity for convenience, the part forming the mold cavity in the lower mold is designed into a detachable jig structure, when the mold insert is installed, the jig is taken out firstly, after the mold insert is installed, the jig is placed on the lower mold, after injection molding is finished, the jig and a material are ejected together through a thimble, the material is separated from the jig, the material is taken out conveniently, but the thimble is always in an ejection state, the outer surface of the material is easy to touch the thimble in the ejection state when the material is taken out, the surface of the material is damaged, the appearance of the material is poor, and the yield of the material is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a mold capable of sequentially ejecting the material and the jig, respectively, so as to improve the yield.

The utility model provides an embodiment provides a mold, including lower mould, tool and slide mechanism, the lower mould includes lower bolster, thimble board and thimble down, the lower bolster upper surface is equipped with the holding chamber, the lower bolster still be equipped with the first through-hole of holding chamber intercommunication, the thimble board is located the below of lower bolster, the thimble lower extreme sets up down on the thimble board to the part is worn to locate in the first through-hole. The jig comprises a body and an elastic component, the body is matched with the containing cavity, a cavity is arranged on the upper surface of the body, a second through hole communicated with the cavity is formed in the body, and the elastic component is connected with the body and is in sliding connection with the second through hole. The sliding mechanism comprises an ejector rod and a sliding block, the sliding block is connected with the lower template in a sliding mode and located on at least one side of the containing cavity, a sliding groove is formed in the sliding block, the lower end of the ejector rod is located above the ejector plate, and the upper end of the ejector rod penetrates through the sliding groove in a sliding mode. When the jig is matched with the containing cavity, the body is arranged in the containing cavity, the sliding block is abutted against the body, the elastic assembly is arranged right above the lower ejector pin, the ejector pin plate rises for a first preset distance, the lower ejector pin lifts the elastic assembly to jack up materials in the cavity, the ejector pin plate rises for a second preset distance, the ejector pin rises and drives the sliding block to be separated from the body, the elastic assembly elastically abuts against and pushes the body to rise to leave the containing cavity, and the second preset distance is greater than the first preset distance.

Further, in some embodiments, a groove is formed on a side wall of the body, and the groove is used for accommodating the slider.

Further, in some embodiments, the ejector rod includes a guide block, the guide block is provided with inclined surfaces which are oppositely arranged and parallel, the groove wall of the sliding groove abuts against the inclined surfaces, the ejector plate drives the guide block to ascend, and the inclined surfaces can abut against and push the groove wall of the sliding groove, so that the sliding block is separated from the groove of the body along the horizontal direction.

Further, in some embodiments, the ejector rod further includes a connecting rod, the connecting rod is connected below the guide block and is in sliding fit with the lower template, an upper limiting groove and a lower limiting groove are formed in a side wall of the connecting rod, the sliding mechanism further includes a limiting member, the limiting member is in sliding connection with the lower template, and the limiting member can be respectively inserted into the corresponding limiting grooves when the sliding block is inserted into or separated from the groove, so as to limit the movement of the ejector rod.

Further, in some embodiments, the elastic assembly includes an upper thimble, an elastic member, and a connecting plate, a lower end of the upper thimble is connected to the connecting plate, an upper end of the upper thimble is slidably connected to the second through hole of the body, and the elastic member is elastically connected between the connecting plate and the body.

Further, in some embodiments, the body further includes an accommodating groove and a third through hole, the accommodating groove is disposed on the upper surface of the body, the third through hole is communicated with the accommodating groove and vertically penetrates through the body, the elastic assembly further includes a connecting member, the connecting member includes a stopping portion and a connecting portion, the upper end of the connecting portion is connected with the stopping portion, the accommodating groove is used for accommodating the stopping portion, the connecting portion is slidably connected with the third through hole, the lower end of the connecting portion is connected with the connecting plate, and the stopping portion is used for limiting the movement of the connecting plate.

Further, in some embodiments, the lower template is provided with a positioning groove corresponding to the connecting plate, when the jig is matched with the accommodating cavity, the positioning groove is used for accommodating and positioning the connecting plate, and the first through hole is communicated with the positioning groove, so that the lower thimble lifts the connecting plate.

Further, in some embodiments, the lower template is provided with a positioning column, the lower surface of the body is provided with a guide hole, and when the jig is matched with the accommodating cavity, the positioning column is inserted into the guide hole to position the body and guide the movement of the body.

Further, in some embodiments, the upper surface of the body is provided with a plurality of mounting grooves, the plurality of mounting grooves form the cavity, and each mounting groove is communicated with one first through hole.

After the ejector pin plate rises for a first preset distance, the lower ejector pin lifts the elastic component to jack up the material in the accommodating cavity, the elastic component automatically returns after the lower ejector pin falls, the purpose of avoiding damaging the material and improving the yield is achieved, and after the ejector pin plate rises for a second preset distance, the ejector pin rises and drives the sliding block to separate from the body, so that the elastic component elastically pushes out the jig, and the purpose of sequentially pushing out the material and the jig respectively is achieved.

Drawings

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

FIG. 2 is a top view of a lower die in one embodiment.

Fig. 3 is a schematic perspective view of a jig according to another embodiment.

Fig. 4 is an exploded view of a jig according to still another embodiment.

Fig. 5 is a perspective view of a sliding mechanism in yet another embodiment.

Fig. 6 is a schematic structural view of the slider fixing body in fig. 5.

Fig. 7 is a schematic structural view of the slider of fig. 6 separated from the body.

Description of the main elements

Mold 100

Lower die 10

Lower template 11

Positioning groove 111

Accommodation chamber 11a

First through hole 11b

Avoiding hole 11c

Positioning post 11d

Ejector plate 12

Lower thimble 13

Jig 20

Body 21

Second through hole 21a

Storage groove 21b

Third through hole 21c

Groove 21d

Guide hole 21e

Mounting groove 211

Elastic component 22

Upper thimble 22a

Elastic member 22b

Connecting plate 22c

Mounting hole 22c1

Connecting piece 22d

Stopper portion 22d1

Connecting part 22d2

Slide mechanism 30

Ejector rod 31

Guide block 31a

Connecting rod 31b

Inclined surface 31c

Slide 32

Chute 32a

Stopper 33

Spring 33a

Limiting groove 31d

Detailed Description

The technical solutions of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, but 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 a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components 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. 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 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 "or/and" includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following embodiments, features of the embodiments may be combined with each other without conflict.

Fig. 1 is a perspective view of a mold 100 according to an embodiment of the present disclosure. In this embodiment, the mold 100 can eject the material and the jig in sequence. The mold 100 includes a lower mold 10, a jig 20, and a slide mechanism 30. The jig 20 is detachably mounted on the lower mold 10. The sliding mechanism 30 is movably disposed on the lower mold 10 for fixing or releasing the jig 20. When the slide mechanism 30 releases the jig 20, the lower die 10 can eject the jig 20. In an embodiment, two jigs 20 can be installed on the lower die 10 in parallel, and a set of sliding mechanisms 30 is installed on the lower die 10 correspondingly on two opposite sides of each jig 20 to fix two ends of each jig 20.

The lower mold 10 includes a lower mold plate 11, an ejector plate 12, and a lower ejector pin 13. The upper surface of the lower template 11 is provided with accommodating cavities 11a corresponding to the number of the jigs 20. The ejector plate 12 is movably located below the lower die plate 11. The bottom end of the lower thimble 13 is arranged on the thimble plate 12, and the top end of the lower thimble 13 penetrates through the lower template 11. The ejector plate 12 can drive the lower ejector pin 13 to lift after moving up and down, and when the lower ejector pin 13 lifts up, the top end of the lower ejector pin 13 can extend into the accommodating cavity 11a and upwards abut against the jig 20.

The jig 20 includes a body 21 and an elastic member 22. The body 21 matches the shape of the accommodation chamber 11 a. A cavity is formed between the upper surface of the body 21 and an upper mold (not shown) and is used for molding the material. The elastic component 22 is disposed through the body 21 and can move up and down relative to the body 21. When the body 21 is placed in the accommodating cavity 11a, the elastic component 22 is placed right above the lower thimble 13, and the lower thimble 13 can push the elastic component 22 upwards after rising, so that the elastic component 22 rises to eject the material or eject the body 21.

The slide mechanism 30 includes a jack 31 and a slider 32. The slide block 32 is connected with the lower template 11 in a sliding way along the horizontal direction. The slider 32 can move in a direction to approach or separate from the body 21 to fix or release the body 21. The slider 32 is provided with a slide groove 32 a. The lower end of the ejector rod 31 is connected with the ejector plate 12, and the upper end of the ejector rod 31 is slidably arranged in the chute 32 a. When the ejector plate 12 drives the ejector rod 31 to ascend, the ejector rod 31 can drive the sliding block 32 to move away from the body 21; when the mold is closed, the upper mold presses down the ejector rod 31 to descend, and the ejector rod 31 can drive the slide block 32 to move close to the body 21.

One embodiment of the mold 100 for sequentially ejecting the material and the jig 20 is as follows: when the ejector plate 12 is lifted by a first preset distance, the lower ejector 13 lifts the elastic assembly 22 to jack up the material in the cavity. When the ejector plate 12 continues to rise to the second predetermined distance, the ejector rod 31 rises to drive the slider 32 to separate from the body 21, and meanwhile, the elastic component 22 rises to elastically push the body 21 to rise to leave the accommodating cavity 11 a. The second preset distance is greater than the first preset distance.

Fig. 2 is a top view of the lower die 10 in one embodiment. The lower template 11 is provided with a plurality of first through holes 11b, and the first through holes 11b are communicated with the accommodating cavity 11 a. The lower thimble 13 is partially inserted into the first through hole 11 b.

Fig. 3 is a schematic perspective view of a jig 20 according to another embodiment. In this embodiment, the body 21 is provided with a plurality of second through holes 21a, and the second through holes 21a penetrate both sides of the body 21 and communicate with the cavity. The elastic assembly 22 includes an upper needle 22a, an elastic member 22b and a connecting plate 22 c. One end of the upper thimble 22a is fixedly connected with the connecting plate 22c, and the other end is slidably disposed through a second through hole 21a, and the connecting plate 22c is located on the same side of the body 21. The two ends of the elastic element 22b are respectively connected between the connecting plate 22c and the body 21, and elastically push the connecting plate 22c in a direction away from the body 21. Four connecting plates 22c are respectively arranged around the body 21, two upper thimbles 22a are respectively fixed on each connecting plate 22c to drive the two upper thimbles 22a to move synchronously, and two elastic pieces 22b are arranged between each connecting plate 22c and the body 21 to uniformly distribute elasticity. When the body 21 is fixed in the accommodating cavity 11a, the connecting plate 22c is located right above the lower thimble 13, the connecting plate 22c can be lifted simultaneously after the lower thimble 13 is lifted, the connecting plate 22c drives the upper thimble 22a to lift up to eject the material, and meanwhile, the elastic piece 22b compresses and stores the elastic force; after the lower thimble 13 descends, the elastic member 22b releases the elastic force to push the connecting plate 22c to descend, and the connecting plate 22c drives the upper thimble 22a to descend to reset. When the sliding mechanism 30 releases the body 21, the lower thimble 13 rises to lift the connecting plate 22c, and the connecting plate 22c elastically pushes the body 21 to rise through the elastic piece 22b until the body leaves the accommodating cavity 11 a. In other embodiments, the body 21 may be provided with other numbers of connecting plates 22c, such as six, etc., each connecting plate 22c may be fixed with other numbers of upper supporting pins 22a, such as one or four, etc., and another number of elastic members 22b, such as four or six, etc., may be arranged between each connecting plate 22c and the body 21.

Fig. 4 is an exploded view of a jig 20 according to still another embodiment. In this embodiment, the body 21 is further provided with an accommodation groove 21b and a third through hole 21 c. The housing groove 21b is provided on the upper surface of the body 21. The third through hole 21c communicates with the housing groove 21b and penetrates the body 21 vertically. The sectional area of the accommodation groove 21b is larger than that of the third through hole 21 c. The elastic assembly 22 further includes a connecting member 22 d. The link 22d includes a stopper portion 22d1 and a connecting portion 22d 2. The receiving groove 21b receives the stopper portion 22d 1. The third through hole 21c is for receiving the connecting portion 22d2 of the portion. One end of the connecting portion 22d2 is connected to the stopper portion 22d1, and the other end thereof is slidably inserted through the third through hole 21c and connected to the connecting plate 22 c. The bottom surface of the housing groove 21b is used to limit the descending distance of the stopper 22d1, and further, the descending distance of the connecting plate 22c and the upper thimble 22a, and to prevent the upper thimble 22a from separating from the body 21. When the elastic element 22b pushes the connecting plate 22c away from the body 21, the stopping portion 22d1 can be completely received in the receiving slot 21b, and the top surface of the stopping portion 22d1 is flush with the upper surface of the body 21, so as to mold the material. When the connecting plate 22c rises, the connecting plate 22c can drive the connecting piece 22d and the upper ejector pin 22a to move simultaneously, and the connecting piece 22d can play a role in assisting in ejecting materials. In different embodiments, each connection plate 22c may connect a different number of connection members 22d, such as one, two, or four, etc.

As shown in fig. 4, the body 21 is provided at the upper surface thereof with a plurality of mounting grooves 211, the mounting grooves 211 communicating with the cavity, and the bottom surface of each mounting groove 211 communicating with a second through hole 21 a. As an exemplary example, the mounting groove 211 is used for placing an embedded component for insert molding, and when the connecting plate 22c drives the upper thimble 22a to ascend, the upper thimble 22a can push the embedded component upwards to eject the material, so as to ensure the integrity of the embedded component and the injection molded component.

As shown in fig. 4, one embodiment of the elastic member 22b fixed between the connecting plate 22c and the body 21 is: the elastic element 22b is sleeved on the upper thimble 22 a. The other embodiment is as follows: the connecting plate 22c and the opposite side of the body 21 are provided with corresponding mounting holes 22c1, and the mounting holes 22c1 are used for receiving the ends of the elastic pieces 22b to fix the elastic pieces 22 b. By way of illustrative example, the resilient member 22b is a compression spring.

As shown in fig. 2, the lower plate 11 is provided with positioning grooves 111 corresponding to the connecting plates 22 c. The shape of the positioning groove 111 is the same as that of the connection plate 22 c. The positioning groove 111 is used for receiving and positioning the connection plate 22 c. The depth of the positioning slot 111 is greater than the maximum distance between the connecting plate 22c and the body 21, so that when the body 21 is placed in the accommodating cavity 11a, the elastic member 22b is not compressed, and the body 21 is stably placed in the accommodating cavity 11 a. The first through hole 11b communicates with the bottom surface of the positioning groove 111 to allow the lower needle 13 to lift the connecting plate 22 c. In different embodiments, each positioning groove 111 may communicate with a different number of first through holes 11b, such as one, two, three, or five.

Fig. 5 is a perspective view of a sliding mechanism 30 according to still another embodiment. The jack 31 includes a guide block 31a and a connecting rod 31 b. The guide block 31a is provided with two parallel inclined surfaces 31c which are oppositely arranged, and the inclined surfaces 31c are inclined in the following directions: the top is close to the accommodating chamber 11a, and the bottom is far from the accommodating chamber 11 a. The groove walls of the slide groove 32a simultaneously abut against the two inclined surfaces 31 c. The inclined surface 31c is used for driving the sliding block 32 to move horizontally by abutting against the groove wall of the sliding groove 32a when the guide block 31a moves up and down. The connecting rod 31b is connected below the guide block 31a and is in sliding fit with the lower template 11. The side wall of the connecting rod 31b is provided with an upper limiting groove 31d and a lower limiting groove 31 d. The sliding mechanism 30 further includes a stopper 33. The limiting member 33 is slidably connected to the lower plate 11 through a spring 33a, and the spring 33a is used for elastically pushing the limiting member 33 toward the connecting rod 31 b. The stoppers 33 can be respectively inserted into the corresponding stopper grooves 31d when the slider 32 is fixed to or separated from the body 21, to further restrict the movement of the jack 31. In an embodiment, the end of the limiting member 33 is arc-shaped, and the limiting groove 31d is an arc-shaped groove, so that the limiting member 33 can slide out of or into the limiting groove 31 d.

Fig. 6 is a schematic structural view of the fixing body 21 of the slider 32 in fig. 5. Fig. 7 is a schematic structural view of the slider 32 separated from the body 21 in fig. 6. One embodiment of the slider 32 to secure the body 21 is: the side walls at two ends of the body 21 are provided with grooves 21d, the grooves 21d are used for accommodating the sliding blocks 32, and the sliding blocks 32 can stop the groove surfaces of the grooves 21d, so that the body 21 is stopped from rising. Two avoidance holes 11c are formed in the lower template 11 on two sides of the accommodating cavity 11a, and the avoidance holes 11c correspond to the grooves 21d in position. The slider 32 is slidably inserted into the avoiding hole 11c, so that the slider 32 can be inserted into or separated from the groove 21 d.

As shown in fig. 6, when the top rod 31 is raised, the inclined surface 31c can push against the groove wall of the sliding groove 32a, so that the sliding block 32 moves away from the body 21 in the horizontal direction until the sliding block 32 is separated from the groove 21d, and further the body 21 is released, and meanwhile the limiting member 33 is inserted into the limiting groove 31d below to further limit the movement of the top rod 31.

As shown in fig. 7, when the top rod 31 descends, the inclined surface 31c can push against the groove wall of the sliding groove 32a, so that the sliding block 32 slides close to the body 21 along the horizontal direction until the sliding block 32 is inserted into the groove 21d, thereby fixing the body 21, and the limiting member 33 is inserted into the upper limiting groove 31d to further limit the movement of the top rod 31.

One embodiment of the up and down movement of the push rod 31 is: the ejector pin plate 12 does not contact the ejector pins 31 when it is raised by the first preset distance. When the ejector plate 12 rises for a second preset distance, the bottom of the connecting rod 31b can be pushed, so that the ejector rod 31 is lifted, and when the ejector plate 12 rises to the highest point, the sliding block 32 can be separated from the groove 21d, and the limiting piece 33 can be just inserted into the limiting groove 31d below; when the ejector plate 12 descends and resets, the ejector rod 31 stays at the highest position, and in the process of upper mold closing, the upper mold can press the ejector rod 31 downwards to drive the ejector rod 31 to descend, after closing, the ejector rod 31 can drive the slide block 32 to be inserted into the groove 21d to fix the body 21, and the limiting part 33 can be just inserted into the limiting groove 31d above. Another embodiment of the up-and-down movement of the push rod 31 is: when the ejector plate 12 rises for a first preset distance, the ejector plate 12 pushes the ejector rod 31 to move upwards for a certain distance, the ejector rod 31 pushes the sliding block 32 to move for a certain distance, but the sliding block 32 is not separated from the body 21 of the jig 20 at the moment, and when the ejector plate 12 continues to rise for a second preset distance, the ejector rod 31 moves upwards along with the ejector plate 12 to push the sliding block 32 to move for a certain distance again to be separated from the body 21.

As shown in fig. 1, the lower plate 11 is provided with a positioning post 11d, the body 21 is provided with a guiding hole 21e, and the positioning post 11d is inserted into the guiding hole 21e for positioning the body 21 and guiding the movement of the body 21. In an embodiment, the body 21 is provided with a guiding hole 21e at two opposite corners, and the two positioning pillars 11d can also limit the rotation of the body 21. In other embodiments, the body 21 may be provided with the guiding holes 21e at four corners or other positions.

In summary, one embodiment of the mold 100 for ejecting the material and the jig 20 is as follows: the body 21 is placed in the accommodating cavity 11a, and the connecting plate 22c is placed in the positioning groove 111;

in the mold closing process, the ejector rod 31 descends to drive the slide block 32 to be inserted into the groove 21d so as to fix the body 21;

after the injection molding is finished, the ejector plate 12 is lifted by a first preset distance to drive the lower ejector 13 to lift, the lower ejector 13 jacks up the connecting plate 22c, the connecting plate 22c drives the upper ejector 22a and the connecting piece 22d to eject the material, and meanwhile, the elastic piece 22b is compressed;

when the jig 20 needs to be ejected, the ejector pin plate 12 continues to ascend to a second preset distance, the lower ejector pin 13 ascends to eject the connecting plate 22c, the connecting plate 22c ascends to compress the elastic piece 22b, meanwhile, the ejector pin plate 12 pushes the bottom of the connecting rod 31b and lifts the ejector rod 31, the inclined surface 31c ascends to drive the sliding block 32 to move away from the body 21 until the sliding block 32 is separated from the groove 21d, and the elastic piece 22b releases the elastic force to eject the body 21 upwards.

After the mold 100 is lifted from the initial position by the ejector plate 12 for a first preset distance, the lower ejector 13 lifts the elastic assembly 22 to jack up the material in the accommodating cavity 11a, and the elastic assembly 22 automatically returns after the lower ejector 13 is lowered, so that the purpose of avoiding damaging the material and improving the yield is achieved, and after the ejector plate 12 is continuously lifted to a second preset distance, the ejector rod 31 is lifted and drives the sliding block 32 to be separated from the body 21, so that the elastic assembly 22 elastically ejects the jig 20, and the purpose of sequentially ejecting the material and the jig 20 is achieved.

In addition, those skilled in the art should recognize that the foregoing embodiments are illustrative only, and not limiting, and that appropriate changes and modifications to the foregoing embodiments may be made within the spirit and scope of the present disclosure.

Claims

1. A mold, comprising:

the lower die comprises a lower die plate, an ejector plate and a lower ejector pin, wherein an accommodating cavity is formed in the upper surface of the lower die plate, a first through hole communicated with the accommodating cavity is formed in the lower die plate, the ejector plate is located below the lower die plate, and the lower end of the lower ejector pin is arranged on the ejector plate and partially penetrates through the first through hole;

the jig comprises a body and an elastic component, the body is matched with the accommodating cavity, a cavity is arranged on the upper surface of the body, the body is provided with a second through hole communicated with the cavity, and the elastic component is connected with the body and is in sliding connection with the second through hole; and

the sliding mechanism comprises an ejector rod and a sliding block, the sliding block is connected with the lower template in a sliding mode and located on at least one side of the containing cavity, the sliding block is provided with a sliding groove, the lower end of the ejector rod is located above the ejector plate, and the upper end of the ejector rod penetrates through the sliding groove in a sliding mode;

when the jig is matched with the containing cavity, the body is arranged in the containing cavity, the sliding block is abutted against the body, the elastic assembly is arranged right above the lower ejector pin, the ejector pin plate rises for a first preset distance, the lower ejector pin lifts the elastic assembly to jack up materials in the cavity, the ejector pin plate rises for a second preset distance, the ejector pin rises and drives the sliding block to be separated from the body, the elastic assembly elastically abuts against and pushes the body to rise to leave the containing cavity, and the second preset distance is greater than the first preset distance.

2. The mold of claim 1, wherein: the side wall of the body is provided with a groove, and the groove is used for accommodating the sliding block.

3. The mold of claim 2, wherein: the ejector rod comprises a guide block, the guide block is provided with inclined planes which are oppositely arranged and parallel, the groove wall of the sliding groove is abutted to the inclined planes, the ejector plate drives the guide block to ascend, and the inclined planes can abut to push the groove wall of the sliding groove, so that the sliding block is separated from the groove of the body along the horizontal direction.

4. The mold of claim 3, wherein: the ejector rod further comprises a connecting rod, the connecting rod is connected to the lower portion of the guide block and is in sliding fit with the lower template, an upper limiting groove and a lower limiting groove are formed in the side wall of the connecting rod, the sliding mechanism further comprises a limiting part, the limiting part is in sliding connection with the lower template, and the limiting part can be inserted into the corresponding limiting grooves respectively when the sliding block is inserted into or separated from the groove, so that the ejector rod is limited to move.

5. The mold of claim 1, wherein: the elastic component comprises an upper thimble, an elastic piece and a connecting plate, the lower end of the upper thimble is connected with the connecting plate, the upper end of the upper thimble is connected with the second through hole of the body in a sliding mode, and the elastic piece is elastically connected between the connecting plate and the body.

6. The mold of claim 5, wherein: the elastic component comprises an elastic component and a connecting piece, wherein the elastic component comprises a stopping part and a connecting part, the upper end of the connecting part is connected with the stopping part, the accommodating groove is used for accommodating the stopping part, the connecting part is in sliding connection with the third through hole, the lower end of the connecting part is connected with the connecting plate, and the stopping part is used for limiting the movement of the connecting plate.

7. The mold of claim 5, wherein: the lower template is provided with a positioning groove corresponding to the connecting plate, when the jig is matched with the accommodating cavity, the positioning groove is used for accommodating and positioning the connecting plate, and the first through hole is communicated with the positioning groove so that the lower thimble lifts the connecting plate.

8. The mold of claim 1, wherein: the lower template is provided with a positioning column, the lower surface of the body is provided with a guide hole, and when the jig is matched with the accommodating cavity, the positioning column is inserted into the guide hole and used for positioning the body and guiding the movement of the body.

9. The mold of claim 1, wherein: the body upper surface is equipped with a plurality of mounting grooves, and is a plurality of the mounting groove forms the die cavity, each the mounting groove all with one first through-hole intercommunication.