CN220883191U - Injection mold for processing left plastic cover - Google Patents

Abstract

The utility model discloses an injection mold for processing a left plastic cover, and particularly relates to the technical field of injection molds, comprising the following steps of; the upper die comprises a first die plate and a second die plate, and the second die plate is positioned at the bottom of the first die plate; the lower die comprises a third die plate and a fourth die plate, the third die plate is positioned at the top of the fourth die plate, and a left plastic cover die core is arranged at the top of the third die plate; the bottom of template IV is provided with the bottom plate, be provided with ejection mechanism on the bottom plate, ejection mechanism includes: the ejector pin plate is arranged on the top surface of the bottom plate, and the top of the ejector pin plate is provided with a plurality of ejector pin bodies.

Description

Injection mold for processing left plastic cover

Technical Field

The utility model relates to the field of injection molds, in particular to an injection mold for processing a left plastic cover.

Background

The injection mold is the same mold for manufacturing products by adopting an injection molding method, the injection mold consists of a movable mold and a fixed mold, the injection mold is generally combined with an injection molding machine, the injection molding machine melts raw materials, the melted plastic materials are injected into a mold cavity by high pressure, the melted plastic forms the shape of the products between the mold cavity and a mold core, and finally, the products are obtained by demolding.

In China patent No. CN201520230280.5, the patent name discloses an injection mold ejected by a thimble, and the ejection mechanism moves in a cavity of the mold, so that the ejection of a product is realized by the thimble on the ejection mechanism; the height of the cavity is larger than the maximum height of the core, so that the product can be effectively ejected, the ejection mechanism comprises a plurality of ejector pins, but the injection mold ejected by the ejector pins,

In the use, still there is the disadvantage, use a plurality of thimble in a set injection mold, in the top of thimble extends to injection mold's die cavity and mold core, clearance die cavity and mold core in-process, the residue and the impurity that produce of moulding plastics can leave over on die cavity, mold core, thimble top surface, and lie in the residue on the thimble top surface and be inconvenient for the clean-up, lead to mould production quality poor.

Therefore, it is necessary to invent an injection mold for processing a left plastic cover to solve the above-mentioned problems.

Disclosure of utility model

The technical problems to be solved are as follows:

aiming at the defects of the prior art, the utility model provides an injection mold for processing a left plastic cover, which solves the problems in the background art.

The technical scheme is as follows:

An injection mold for processing a left plastic cover, comprising;

The upper die comprises a first die plate and a second die plate, and the second die plate is positioned at the bottom of the first die plate;

The lower die comprises a third die plate and a fourth die plate, the third die plate is positioned at the top of the fourth die plate, and a left plastic cover die core is arranged at the top of the third die plate;

The bottom of template IV is provided with the bottom plate, be provided with ejection mechanism on the bottom plate, ejection mechanism includes:

The ejector plate is arranged on the top surface of the bottom plate, a plurality of ejector pin bodies are arranged at the top of the ejector plate, and springs are further arranged at the top of the ejector plate;

The thimble body includes: the support plate and the rod body are provided with connecting pieces therebetween.

Preferably, the bottom of backup pad is provided with the inserted bar, the bottom mounting of inserted bar has magnetic sheet one, the inside of the stick body is provided with the supporting component and includes:

The support rod, the top of support rod is fixed with magnetic sheet two, the outer wall of support rod is provided with a plurality of supporting shoe.

Preferably, the middle part of the connecting piece is provided with a through hole, and one side of the top of the connecting piece, which is close to the through hole, is provided with a socket.

Preferably, a clamping groove is formed in one side, close to the socket, of the connecting piece, a clamping block is arranged on one side wall of the top end of the inserted rod, and the clamping block is matched with the clamping groove.

Preferably, the top of the rod body is fixed with a connecting pipe, an internal thread hole is formed in the top of the connecting pipe, an external thread is formed in the outer wall of the bottom end of the connecting piece, the connecting piece and the connecting pipe are screwed together through threads, and a magnetic block is arranged at the top of the connecting piece.

Preferably, the top four corners of the third template are respectively provided with a convex block, the middle of the convex block is provided with a jack downwards, the bottom four corners of the second template are respectively provided with a groove corresponding to the convex block, the top of the first template is provided with a top plate, and the second template and the third template are provided with a water inlet and a water outlet.

In the technical scheme, the utility model has the technical effects that: through the thimble body structure that sets up, the thimble body divide into two parts, one part is the stick body, another part is the backup pad, connect fixedly through connecting piece and supporting component between backup pad and the stick body, can separate backup pad and the stick body through rotating the backup pad, thereby can take out the backup pad alone, and wash the backup pad alone, conveniently clear up the residue attached to the thimble top surface, be favorable to maintaining the thimble, make the thimble top surface smooth and foreign matter-free, be favorable to when injection molding, go up mould and lower mould laminating and stabilize and can not produce the gap because of the residue, make things convenient for the compound die, be favorable to improving the quality of moulding plastics.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a three-dimensional perspective view of the present utility model;

FIG. 2 is a side view of the present utility model;

FIG. 3 is a three-dimensional perspective view of the lower die of the present utility model;

FIG. 4 is a three-dimensional perspective view of the thimble body of the present utility model;

FIG. 5 is a cross-sectional view of the thimble body of the present utility model;

FIG. 6 is an exploded view of the thimble body of the present utility model;

FIG. 7 is a schematic view of the structure of the insert rod and support member of the present utility model;

Fig. 8 is a schematic structural view of the connector of the present utility model.

Reference numerals illustrate:

1. a top plate; 2. a first template; 3. a water outlet; 4. a water inlet; 5. a bump; 6. a bottom plate; 7. a second template; 8. a third template; 9. a fourth template; 10. a needle ejection plate; 11. a thimble body; 12. a spring; 13. a jack; 14. a left plastic cover mold core; 15. a support plate; 16. a connecting piece; 17. a connecting pipe; 18. a rod body; 19. a rod; 20. a magnetic sheet I; 21. a second magnetic sheet; 22. a support bar; 23. a support block; 24. a socket; 241. a magnetic block; 25. a clamping block; 26. a clamping groove.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The utility model provides an injection mold for processing a left plastic cover, which is shown in figures 1-8, and comprises the following components;

The upper die comprises a first die plate 2 and a second die plate 7, wherein the second die plate 7 is positioned at the bottom of the first die plate 2, a top plate 1 is arranged at the top of the first die plate 2, and a water inlet 4 and a water outlet 3 are formed in the second die plate 7 and the third die plate 8;

The lower die comprises a third template 8 and a fourth template 9, the third template 8 is positioned at the top of the fourth template 9, and a left plastic cover die core 14 is arranged at the top of the third template 8;

The bottom of template four 9 is provided with bottom plate 6, is provided with ejection mechanism on the bottom plate 6, ejection mechanism includes:

The ejector plate 10, the ejector plate 10 is set up in the top surface of the bottom plate 6, the top of the ejector plate 10 has several ejector pin bodies 11, the top of the ejector plate 10 has springs 12;

The thimble body 11 includes: the support plate 15 and the rod body 18, and a connecting piece 16 is arranged between the support plate 15 and the rod body 18;

The four corners in the top of template three 8 all are provided with lug 5, jack 13 has been seted up downwards to the middle part of lug 5, the recess corresponding with lug 5 has all been seted up to four corners in the bottom of template two 7, four corners in the bottom of template two 7 all are provided with the locating pin, the locating pin inserts in jack 13, lug 5 cooperatees with the recess, the die cavity of cover is moulded to the left side has been seted up to template two 7 bottoms, the die cavity cooperates with left side mould cover mold core 14, template two 7 and template three 8 laminate mutually, form the clearance between die cavity and the left side mould cover mold core 14, thereby be convenient for the raw materials get into in the clearance and form left side mould the cover, left side is moulded the cover and is adhered to on left side mould cover mold core 14.

In some examples, the bottom of the supporting plate 15 is provided with a rod 19, the bottom end of the rod 19 is fixed with a magnetic sheet 20, and the inside of the rod body 18 is provided with a supporting component comprising:

the support rod 22, the top end of the support rod 22 is fixed with the magnetic sheet II 21, the outer wall of the support rod 22 is provided with a plurality of support blocks 23; after the insert rod 19 is inserted into the rod body 18, the first magnetic sheet 20 at the bottom end of the insert rod 19 is attracted with the second magnetic sheet 21, and the insert rod 19 and the supporting plate 15 are secondarily fixed under traction.

In some examples, a through hole is formed in the middle of the connecting member 16, and a socket 24 is formed on one side of the top of the connecting member 16, which is close to the through hole; a clamping groove 26 is formed in one side, close to the socket 24, of the connecting piece 16, a clamping block 25 is arranged on one side wall of the top end of the inserted link 19, and the clamping block 25 is matched with the clamping groove 26; the top end of the rod body 18 is fixed with a connecting pipe 17, the top of the connecting pipe 17 is provided with an internal thread hole, the outer wall of the bottom end of the connecting piece 16 is provided with external threads, the connecting piece 16 and the connecting pipe 17 are screwed together through threads, and the top of the connecting piece 16 is provided with a magnetic block 241; in the process of installing the support plate 15, the inserting rod 19 is inserted into the rod 18, the rod 18 penetrates through the through hole in the middle of the connecting piece 16, the clamping block 25 on the outer wall of the support plate 15 is inserted into the inserting hole 24, then the support plate 15 is rotated, the support plate 15 drives the inserting rod 19 and the clamping block 25 to rotate, the clamping block 25 is rotated into the clamping groove 26, at the moment, the support plate 15 is pulled upwards, the support plate 15 cannot move upwards, and the support plate 15 is limited by the cooperation of the clamping block 25 and the clamping groove 26;

The bottom of the connecting piece 16 is of an annular plate structure, external threads are arranged on the outer wall of the annular plate, the annular plate at the bottom of the connecting piece 16 is screwed into an internal thread groove at the top of the connecting pipe 17 through threads, and the connecting piece 16 is connected with the connecting pipe 17.

Through the technical scheme: when the injection molding machine is used, molten raw materials are injected between an upper die and a lower die, the raw materials form a left plastic cover shape on a left plastic cover die core 14, an ejector pin plate 10 is pushed by an external oil cylinder or an air cylinder, an ejector pin plate 10 is pushed by the ejector pin plate 11, the left plastic cover is pushed by the ejector pin body 11 to be demolded, in the process of cleaning the top surfaces of the left plastic cover die core 14 and the ejector pin body 11, the top surfaces of the support plates 15 are sucked by means of magnets, then the support plates 15 are rotated, the support plates 15 drive clamping blocks 25 to rotate in clamping grooves 26, the clamping blocks 25 rotate to the position of a jack 24, then the support plates 15 are pulled upwards, the support plates 15 drive the inserting rods 19 to move upwards, the support plates 15 and the inserting rods 19 are separated from a rod body 18, and the support plates 15 and the inserting rods 19 are washed and wiped, so that the top surfaces of the support plates 15 are cleaned, no residues are left on the top surfaces of the support plates 15, and the die clamping of the upper die and the lower die are facilitated.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (6)

1. An injection mold for processing a left plastic cover, which is characterized in that: comprises the following steps of;

The upper die comprises a first die plate (2) and a second die plate (7), and the second die plate (7) is positioned at the bottom of the first die plate (2);

The lower die comprises a third template (8) and a fourth template (9), wherein the third template (8) is positioned at the top of the fourth template (9), and a left plastic cover die core (14) is arranged at the top of the third template (8);

The bottom of template IV (9) is provided with bottom plate (6), be provided with ejection mechanism on bottom plate (6), ejection mechanism includes:

The ejector plate (10), ejector plate (10) is set up in the top surface of the bottom plate (6), the top of the said ejector plate (10) has several ejector pin bodies (11), the top of the said ejector plate (10) has springs (12);

The thimble body (11) includes: the novel rod comprises a supporting plate (15) and a rod body (18), wherein a connecting piece (16) is arranged between the supporting plate (15) and the rod body (18).

2. The injection mold for processing a left plastic cover according to claim 1, wherein: the bottom of backup pad (15) is provided with inserted bar (19), the bottom of inserted bar (19) is fixed with magnetic sheet one (20), the inside of stick body (18) is provided with the supporting component and includes:

The magnetic sheet two (21) are fixed on the top end of the support rod (22), and a plurality of support blocks (23) are arranged on the outer wall of the support rod (22).

3. The injection mold for processing a left plastic cover according to claim 2, wherein: through holes are formed in the middle of the connecting piece (16), and a socket (24) is formed in one side, close to the through holes, of the top of the connecting piece (16).

4. An injection mold for processing a left plastic cover according to claim 3, wherein: clamping grooves (26) are formed in one side, close to the insertion holes (24), of the connecting piece (16), clamping blocks (25) are arranged on one side wall of the top end of the insertion rod (19), and the clamping blocks (25) are matched with the clamping grooves (26).

5. The injection mold for processing a left plastic cover according to claim 1, wherein: the connecting rod is characterized in that a connecting pipe (17) is fixed at the top end of the rod body (18), an internal thread hole is formed in the top of the connecting pipe (17), external threads are formed in the outer wall of the bottom end of the connecting piece (16), the connecting piece (16) and the connecting pipe (17) are screwed together through threads, and a magnetic block (241) is arranged at the top of the connecting piece (16).

6. The injection mold for processing a left plastic cover according to claim 1, wherein: the novel water inlet and outlet combined type water heater is characterized in that protruding blocks (5) are arranged at four corners of the top of the third template (8), inserting holes (13) are formed in the middle of the protruding blocks (5) downwards, grooves corresponding to the protruding blocks (5) are formed in the four corners of the bottom of the second template (7), a top plate (1) is arranged at the top of the first template (2), and a water inlet (4) and a water outlet (3) are formed in the second template (7) and the third template (8).