CN213257105U

CN213257105U - Heat dissipation type precision metal injection molding mould convenient to maintenance

Info

Publication number: CN213257105U
Application number: CN202022221549.7U
Authority: CN
Inventors: 胡志勇
Original assignee: Suzhou Xinshengqi Precision Mould Co ltd
Current assignee: Suzhou Xinshengqi Precision Mould Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-05-25
Anticipated expiration: 2030-10-09

Abstract

The utility model belongs to the technical field of precision metal forming die, in particular to a heat dissipation type precision metal injection forming die convenient to maintain, which comprises a bottom plate, a top plate, a mounting plate, an upper die and a lower die, wherein guide rods are fixed at four corners of the bottom plate, guide holes are arranged at four corners of the mounting plate, and the guide holes are sleeved with the guide rods in a sliding manner; a top plate is fixed at the top end of the guide rod; a lower die is fixed on the bottom plate, and an upper die is fixed on the mounting plate; the die openings of the upper die and the lower die are provided with inner embedded grooves; the upper die and the lower die are both internally provided with inner containers, connecting plates are arranged around the edge openings of the inner containers, and the connecting plates are movably embedded with the embedded grooves; the side wall of the connecting plate is provided with a limiting groove, and the side wall of the embedded groove is provided with a limiting through hole matched with the limiting groove; the side walls of the upper die and the lower die are rotatably provided with L-shaped inserting plates, and the L-shaped inserting plates penetrate through the limiting through holes to be clamped with the limiting grooves.

Description

Heat dissipation type precision metal injection molding mould convenient to maintenance

Technical Field

The utility model relates to a heat dissipation type accurate metal injection moulding mould convenient to maintenance belongs to accurate metal forming mould technical field.

Background

The mold is used for obtaining various molds and tools of required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production; the existing mold has the problem of longer molding time due to poor cooling effect; in addition, current mould when the drawing of patterns, may need to strike the mould, strikes the in-process, may lead to the mould to damage, and main part is the inner bag of mould in the mould, mostly is the integral type structure between current mould and the inner bag to be not convenient for overhaul the inner bag and change, consequently provide the accurate metal injection moulding mould of heat dissipation type of being convenient for maintenance and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat dissipation type precision metal injection moulding mould convenient to maintenance to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a heat dissipation type precise metal injection molding mold convenient to maintain comprises a bottom plate, a top plate, a mounting plate, an upper mold and a lower mold, wherein guide rods are fixed at four corners of the bottom plate, guide holes are formed in the four corners of the mounting plate, and the guide holes are in sliding sleeve connection with the guide rods; a top plate is fixed at the top end of the guide rod; a lower die is fixed on the bottom plate, and an upper die is fixed on the mounting plate; the die openings of the upper die and the lower die are provided with inner embedded grooves; the inner containers are arranged in the upper die and the lower die, connecting plates are arranged around edge openings of the inner containers, and the connecting plates are movably embedded with the embedded grooves.

Preferably, the side wall of the connecting plate is provided with a limiting groove, and the side wall of the embedded groove is provided with a limiting through hole matched with the limiting groove; the side walls of the upper die and the lower die are rotatably provided with L-shaped inserting plates, and the L-shaped inserting plates penetrate through the limiting through holes to be clamped with the limiting grooves.

Preferably, the inner wall of the limiting groove and the L-shaped inserting plate are provided with fixing holes; the fixing hole is internally provided with a fixing plate, the top end of the fixing plate is fixedly provided with an auxiliary plate, and the auxiliary plate is connected with the connecting plate through a spring.

Preferably, heat dissipation cavities are formed in the upper die and the lower die, and a plurality of heat conducting fins are arranged on one side, close to the inner container, of each heat dissipation cavity; one side of the heat dissipation cavity is provided with a water inlet pipe, and a valve is arranged on the water inlet pipe.

Preferably, the bottom of the upper die is provided with an injection molding hole, and an injection molding hopper is fixed in the injection molding hole.

Preferably, symmetrical air cylinders are fixed on the top plate, moving rods are fixed at the output ends of the air cylinders, and the moving rods are fixedly connected with the upper die.

Preferably, the heat conducting sheet is a copper heat conducting sheet.

Preferably, the heat dissipation cavity is filled with cold water.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model relates to a heat dissipation type accurate metal injection moulding mould convenient to maintenance through being provided with the heat dissipation chamber in last mould and bed die, and the intracavity that dispels the heat is injected into and is had cold water, utilizes the conducting strip can be quick with the leading-in cold water of the heat on the inner bag to can accelerate the shaping speed of the inside injection molding of inner bag.

The utility model discloses be provided with connecting plate and "L" type picture peg, can realize the installation and the dismantlement between inner bag and last mould and the bed die fast to be convenient for overhaul and change the inner bag, the life of mould and bed die is gone up in the extension.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: 1. a base plate; 2. a top plate; 3. mounting a plate; 4. an upper die; 5. a lower die; 6. a guide bar; 7. an embedded groove is formed; 701. a limiting through hole; 8. an inner container; 9. a connecting plate; 901. a limiting groove; 10. an L-shaped plug board; 11. a fixing hole; 12. a fixing plate; 13. an auxiliary plate; 14. a spring; 15. a heat dissipation cavity; 16. a heat conductive sheet; 17. a water inlet pipe; 18. an injection molding hopper; 19. a cylinder; 20. the rod is moved.

Detailed Description

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

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a heat dissipation type precise metal injection molding mold convenient to maintain comprises a bottom plate 1, a top plate 2, a mounting plate 3, an upper mold 4 and a lower mold 5, wherein guide rods 6 are fixed at four corners of the bottom plate 1, guide holes are formed in the four corners of the mounting plate 3, and the guide holes are in sliding sleeve joint with the guide rods 6; the top end of the guide rod 6 is fixed with a top plate 2; a lower die 5 is fixed on the bottom plate 1, and an upper die 4 is fixed on the mounting plate 3; the die openings of the upper die 4 and the lower die 5 are provided with inner embedded grooves 7; an inner container 8 is arranged in each of the upper die 4 and the lower die 5, a connecting plate 9 is arranged around the edge opening of each inner container 8, and the connecting plates 9 are movably embedded with the embedded grooves 7.

Further, a limit groove 901 is formed in the side wall of the connecting plate 9, and a limit through hole 701 matched with the limit groove 901 is formed in the side wall of the embedded groove 7; the side walls of the upper die 4 and the lower die 5 are rotatably provided with an L-shaped inserting plate 10, and the L-shaped inserting plate 10 penetrates through the limiting through hole 701 to be clamped with the limiting groove 901.

Further, fixing holes 11 are formed in the inner wall of the limiting groove 901 and the L-shaped inserting plate 10; a fixed plate 12 is arranged in the fixed hole 11, an auxiliary plate 13 is fixed at the top end of the fixed plate 12, and the auxiliary plate 13 is connected with the connecting plate 9 through a spring 14.

Further, heat dissipation cavities 15 are formed in the upper die 4 and the lower die 5, and a plurality of heat conducting fins 16 are arranged on one sides, close to the inner container 8, of the heat dissipation cavities 15; one side of the heat dissipation cavity 15 is provided with a water inlet pipe 17, and a valve is arranged on the water inlet pipe 17.

Further, the bottom of the upper die 4 is provided with an injection molding hole, and an injection molding hopper 18 is fixed in the injection molding hole.

Furthermore, symmetrical air cylinders 19 are fixed on the top plate 2, a moving rod 20 is fixed at the output end of the air cylinders 19, and the moving rod 20 is fixedly connected with the upper die 4.

Further, in the above-mentioned case,

the working principle is as follows: the utility model relates to a heat dissipation type precise metal injection molding mold convenient to maintain, when in use, firstly, a cylinder 19 is started, the cylinder 19 extends a movable rod 20, the movable rod 20 drives an upper mold 4 on a mounting plate 3 to move downwards under the guiding action of a guide rod 6 until the upper mold is tightly combined with a lower mold 5; the guide rod 6 can ensure that the upper die 4 and the lower die 5 are accurately butted, and the pushing force of the cylinder 19 can ensure that the upper die 4 and the lower die 5 are tightly combined, so that the phenomenon of overflowing of injection molding materials is avoided; after the upper mold 4 and the lower mold 5 are butted, the injection molding material can be poured into the upper mold 4 and the lower mold 5 through the injection molding hopper 18, then cold water is injected into the heat dissipation cavity 15 through the water inlet pipe 17, and under the action of the heat conducting sheet 16, the heat of the injection molding material absorbed by the inner container 8 can be quickly led into the cold water, so that the function of quickly cooling the injection molding part is realized.

When needing to overhaul upper die 4 and lower die 5, can start cylinder 19 for upper die 4 and lower die 5 part, then pull the fixed plate through accessory plate 13, make fixed plate 12 and fixed orifices 11 separate, then rotate "L" type picture peg 10, make it separate with spacing groove 901, then take out inner bag 8 from upper die 4 and lower die 5 in can realize the maintenance and the change to inner bag 8, reach the effect of extension upper die 4 and lower die 5 life.

It is worth noting that: the cylinder realizes control to it through total control button, because the equipment that control button matches is equipment commonly used, belongs to current mature technology, no longer gives unnecessary details its electric connection relation and specific circuit structure here.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a precision metal injection moulding mould of heat dissipation type convenient to maintenance which characterized in that: the die comprises a bottom plate (1), a top plate (2), a mounting plate (3), an upper die (4) and a lower die (5), wherein guide rods (6) are fixed at four corners of the bottom plate (1), guide holes are formed in the four corners of the mounting plate (3), and the guide holes are in sliding sleeve joint with the guide rods (6); a top plate (2) is fixed at the top end of the guide rod (6); a lower die (5) is fixed on the bottom plate (1), and an upper die (4) is fixed on the mounting plate (3); the die openings of the upper die (4) and the lower die (5) are provided with inner embedded grooves (7); the inner containers (8) are arranged in the upper die (4) and the lower die (5), the connecting plates (9) are arranged around the edge openings of the inner containers (8), and the connecting plates (9) are movably embedded with the embedded grooves (7).

2. The easy-to-maintain precision metal injection mold of claim 1, wherein: a limiting groove (901) is formed in the side wall of the connecting plate (9), and a limiting through hole (701) matched with the limiting groove (901) is formed in the side wall of the embedded groove (7); the side walls of the upper die (4) and the lower die (5) are rotatably provided with an L-shaped inserting plate (10), and the L-shaped inserting plate (10) penetrates through the limiting through hole (701) to be clamped with the limiting groove (901).

3. The heat dissipation type precision metal injection molding mold convenient to maintain of claim 2, wherein: fixing holes (11) are formed in the inner wall of the limiting groove (901) and the L-shaped inserting plate (10); a fixing plate (12) is arranged in the fixing hole (11), an auxiliary plate (13) is fixed at the top end of the fixing plate (12), and the auxiliary plate (13) is connected with the connecting plate (9) through a spring (14).

4. The easy-to-maintain precision metal injection mold of claim 1, wherein: the upper die (4) and the lower die (5) are both internally provided with heat dissipation cavities (15), and one side of each heat dissipation cavity (15) close to the inner container (8) is provided with a plurality of heat conducting fins (16); one side of the heat dissipation cavity (15) is provided with a water inlet pipe (17), and the water inlet pipe (17) is provided with a valve.

5. The easy-to-maintain precision metal injection mold of claim 1, wherein: an injection molding hole is formed in the bottom of the upper mold (4), and an injection molding hopper (18) is fixed in the injection molding hole.

6. The easy-to-maintain precision metal injection mold of claim 1, wherein: symmetrical air cylinders (19) are fixed on the top plate (2), a moving rod (20) is fixed at the output end of each air cylinder (19), and the moving rod (20) is fixedly connected with the upper die (4).

7. The heat dissipation type precision metal injection molding mold convenient to maintain of claim 4, wherein: the heat conducting fin (16) is made of copper.

8. The heat dissipation type precision metal injection molding mold convenient to maintain of claim 4, wherein: cold water is injected into the heat dissipation cavity (15).