CN215750597U - Precise injection mold for automobile keys - Google Patents

Abstract

The utility model discloses an automobile key precise injection mold, which comprises a mold seat A and a mold seat B, wherein the mold seat A is arranged on the front side of the mold seat B, the outer walls of the upper end and the lower end of the front side of the mold seat A are respectively provided with an installation ribbon board, the center of the front end of the mold seat A is provided with an injection port, a novel auxiliary forming device is additionally arranged on the outer walls of the four sides of the mold seat A of the automobile key precise injection mold, the novel auxiliary forming device can rapidly absorb heat on the mold seat A and rapidly distribute the heat, so that hot-melted plastic in a forming groove in the mold seat A can be rapidly cooled and formed, the forming efficiency of the whole automobile key precise injection mold can be increased, and the auxiliary forming device mainly adopts a physical heat radiation mode to assist the hot-melted plastic forming, so that external energy sources can not be used on the premise of achieving rapid heat radiation, thereby increasing the use efficiency of the whole automobile key precision injection mold.

Description

Precise injection mold for automobile keys

Technical Field

The utility model belongs to the technical field of injection molds, and particularly relates to a precise injection mold for an automobile key.

Background

The injection molding method has the advantages of high production speed, high efficiency, automation operation, various colors, shapes from simple to complex, sizes from large to small, accurate product size, easy product updating, capability of forming products with complex shapes, suitability for the fields of mass production, complex-shaped products and other molding and processing, and is suitable for mass production of complex-shaped components.

The prior automobile key precision injection mold technology has the following problems: the accurate injection mold of current car button is when injection moulding, the injection moulding machine will pour into hot melt plastics into the inside forming cavity of mould after the compound die, after the die cavity is filled up, then need make the inside hot melt plastics natural cooling shaping of forming cavity, and the natural cooling shaping then can restrict injection mold's cooling shaping efficiency greatly, and if need accelerate shaping efficiency then need realize with the help of external equipment, and the cooling shaping then need consume more external energy with the help of external design with higher speed, can increase economic input like this.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a precise injection mold for automobile keys, which solves the problems that after a molding cavity is filled, the hot-melt plastic in the molding cavity needs to be naturally cooled and molded, the cooling and molding efficiency of the injection mold is greatly limited by natural cooling and molding, if the molding efficiency needs to be accelerated, external equipment is needed for realizing, and if the cooling and molding needs to be accelerated by external design, more external energy needs to be consumed.

In order to achieve the purpose, the utility model provides the following technical scheme: an automobile key precise injection mold comprises a mold seat A and a mold seat B, wherein the mold seat A is arranged on the front side of the mold seat B, mounting battens are arranged on the outer walls of the upper end and the lower end of the front side of the mold seat A, an injection port is arranged at the center of the front end of the mold seat A, positioning guide holes are formed in the longitudinal inner part of the mold seat A close to four corners, auxiliary forming devices are arranged on the outer walls of the four sides of the mold seat A, a rectangular mounting plate is arranged on the outer wall of the rear end of the mold seat B, a demolding groove is formed in the transverse inner part of the mold seat B, a demolding push plate is arranged in the demolding groove, positioning guide pillars are arranged on the outer wall of the front end of the mold seat B close to four corners, the four positioning guide pillars correspondingly penetrate through the four positioning guide holes respectively, and the auxiliary forming devices comprise a pure copper heat-conducting plate, a metal box, a radiating fin and an injection port, the pure copper heat-conducting plate passes through screwed connection on the four sides outer wall of mould seat A, be provided with the metal box on the outer wall of pure copper heat-conducting plate, be provided with the fin on the outer wall of metal box, be provided with the filling opening on the outer wall of metal box top.

Preferably, be provided with the annular seal piece on the outer wall of mould seat B front end center department, the inboard of annular seal piece is provided with a plurality of shaping modules, and is a plurality of the rear end of shaping module all is connected on the front end outer wall of drawing of patterns push pedal.

Preferably, an inward-concave annular sealing groove is formed in the outer wall of the center of the rear end of the die seat A, and a plurality of forming grooves are formed in the inner side of the annular sealing groove.

Preferably, the cross section shapes and the area sizes of the die seat A and the die seat B are the same, and the outer wall of the rear end of the die seat A can be completely attached to the outer wall of the front end of the die seat B.

Preferably, the positioning guide pillar is made of a whole metal in a turning mode, the circular outer wall of the positioning guide pillar is attached to the circular inner wall of the positioning guide hole, and the positioning guide pillar can move back and forth in the positioning guide hole.

Preferably, the horizontal length of drawing of patterns push pedal is less than the horizontal length of mould seat B, the drawing of patterns push pedal can slide around the inside of drawing of patterns groove, the rear end of drawing of patterns push pedal still is provided with mounting flange, the drawing of patterns push pedal passes through the mounting flange of rear end and outside promotion cylinder fixed connection.

Preferably, the metal box and the radiating fins are made of aluminum alloy, cooling liquid is filled in the metal box, and the pure copper heat conducting plate can be completely attached to the outer wall of the die seat A.

Compared with the prior art, the utility model provides an automobile key precision injection mold, which has the following beneficial effects:

1. according to the automobile key precision injection mold, the novel auxiliary forming devices are additionally arranged on the four outer walls of the mold seat A of the automobile key precision injection mold, the novel auxiliary forming devices can rapidly absorb heat on the mold seat A and rapidly distribute the heat, so that hot-melted plastic in the forming groove in the mold seat A can be rapidly cooled and formed, the forming efficiency of the whole automobile key precision injection mold can be increased, the auxiliary forming devices mainly adopt a physical heat dissipation mode to assist in hot-melted plastic forming, external energy sources cannot be used on the premise of achieving rapid heat dissipation, and the use efficiency of the whole automobile key precision injection mold is increased;

2. the specific principle of the auxiliary forming device of the utility model is that the whole auxiliary forming device is mainly characterized in that a pure copper heat-conducting plate is arranged on the four outer walls of a mould seat A and is completely jointed with the outer wall of the mould seat A, so that the pure copper heat-conducting plate can quickly absorb and guide the heat on the mould seat A to a metal box, and cooling liquid is injected into the metal box, so that the cooling liquid can quickly absorb the heat conducted to the pure copper heat-conducting plate, and the heat absorbed by the cooling liquid can be quickly and largely dissipated through a plurality of radiating fins on the outer wall of the metal box, therefore, after the mould seat A and the mould seat B are combined, the front end of a forming module is inserted into a forming groove and forms a forming cavity in the forming groove, and after the hot-melt plastic is injected into the forming cavity, the heat of the hot-melt plastic is guided into the mould seat A, at the moment, the whole auxiliary forming device can quickly absorb heat in the mold base A and lead the heat into the external air, so that hot-melt plastic in the forming cavity can be quickly cooled and formed, the purpose of auxiliary forming is achieved, and the forming efficiency of the whole automobile key precision injection mold is greatly improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

FIG. 1 is a schematic view of an overall structure of a precision injection mold for automobile keys according to the present invention;

FIG. 2 is a schematic diagram of a single perspective structure of a mold base B according to the present invention;

FIG. 3 is a schematic diagram of a single perspective structure of a mold base A according to the present invention;

FIG. 4 is a schematic perspective view of an auxiliary forming device according to the present invention;

in the figure: 1. a mold base A; 2. a die base B; 3. a demoulding groove; 4. demoulding push plate; 5. a rectangular mounting plate; 6. positioning the guide post; 7. an auxiliary forming device; 8. installing a batten; 9. positioning the guide hole; 10. an injection molding port; 11. an annular sealing sheet; 12. forming a module; 13. an annular seal groove; 14. forming a groove; 15. a pure copper heat-conducting plate; 16. a metal case; 17. a heat sink; 18. and (4) injecting the liquid into the opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a precise injection mold for automobile keys comprises a mold seat A1 and a mold seat B2, wherein the mold seat A1 is installed on the front side of the mold seat B2, the cross sectional shapes and the area sizes of the mold seat A1 and the mold seat B2 are the same, the outer wall of the rear end of the mold seat A1 can be completely attached to the outer wall of the front end of the mold seat B2, the outer walls of the upper end and the lower end of the front side of the mold seat A1 are respectively provided with an installation lath 8, the center of the front end of the mold seat A1 is provided with an injection port 10, the longitudinal inner parts of the mold seat A1 close to four corners are respectively penetrated with a positioning guide hole 9, the positioning guide pillar 6 is made of a whole metal in a turning mode, the circular outer wall of the positioning guide pillar 6 is attached to the circular inner wall of the positioning guide hole 9, the positioning guide pillar 6 can move back and forth inside the positioning guide hole 9, the positioning guide pillar 6 can only move back and forth in the positioning guide hole 9, so that the mold seat B2 can only move back and forth on a straight line, thus, complete die assembly of a die seat A1 and a die seat B2 can be ensured, auxiliary forming devices 7 are arranged on the four outer walls of the die seat A1, a rectangular mounting plate 5 is arranged on the outer wall of the rear end of the die seat B2, a demoulding groove 3 penetrates through the transverse inner part of the die seat B2, a demoulding push plate 4 is arranged inside the demoulding groove 3, positioning guide posts 6 are arranged on the outer wall of the front end of the die seat B2 close to the four corners, the four positioning guide posts 6 respectively and correspondingly penetrate through the four positioning guide holes 9, an annular sealing sheet 11 is arranged on the outer wall of the central part of the front end of the die seat B2, a plurality of forming modules 12 are arranged on the inner side of the annular sealing sheet 11, the transverse length of the demoulding push plate 4 is smaller than that of the die seat B2, the demoulding push plate 4 can slide back and forth in the demoulding groove 3, a mounting flange is also arranged at the rear end of the demoulding push plate 4, the demoulding push plate 4 is fixedly connected with an external pushing cylinder through the mounting flange at the rear end, after the automobile key is molded, a closed mold seat A1 and a mold seat B2 are demoulded by a power cylinder on a mold case, then a demoulding push plate 4 is pushed forwards by a push cylinder, and the demoulding push plate 4 is pushed forwards by a plurality of molding modules 12, so that the molded automobile key naturally drops, the rear ends of the molding modules 12 are connected to the outer wall of the front end of the demoulding push plate 4, an inwards-concave annular sealing groove 13 is formed in the outer wall of the center of the rear end of the mold seat A1, a plurality of molding grooves 14 are formed in the inner side of the annular sealing groove 13, after the mold seat A1 and the mold seat B2 are closed, the annular sealing sheet 11 is sealed in the annular sealing groove 13, so that the sealing effect between the mold seat A1 and the mold seat B2 after the mold is closed can be increased, hot melt plastics are prevented from leaking out from gaps, and the molding quality can be increased.

Example two

Referring to fig. 1, fig. 3 and fig. 4, the present invention provides a technical solution: an automobile key precise injection mold, an auxiliary forming device 7 comprises a pure copper heat-conducting plate 15, a metal box 16, radiating fins 17 and an injection opening 18, the pure copper heat-conducting plate 15 is connected on the four outer walls of a mold seat A1 through screws, the metal box 16 is arranged on the outer wall of the pure copper heat-conducting plate 15, the radiating fins 17 are arranged on the outer wall of the metal box 16, the injection opening 18 is arranged on the outer wall of the top end of the metal box 16, the metal box 16 and the radiating fins 17 are both made of aluminum alloy, cooling liquid is filled in the metal box 16, the pure copper heat-conducting plate 15 can be completely attached to the outer wall of the mold seat A1, the pure copper heat-conducting plate 15 can rapidly absorb heat on the mold seat A1 and guide the heat to the metal box 16, and cooling liquid is injected into the metal box 16, so that the cooling liquid can rapidly absorb heat conducted to the pure copper heat-conducting plate 15, and the heat absorbed by the cooling liquid can be rapidly and be dissipated in a large area through the radiating fins 17 on the outer wall of the metal box 16, thus, after the die seat A1 and the die seat B2 are matched, the front end of the molding module 12 is inserted into the molding groove 14 and is formed into a molding cavity in the molding groove 14, and after the hot melt plastic is injected into the molding cavity, the hot melt plastic needs to be cooled and molded, and the heat of the hot melt plastic is led into the die seat A1, at the moment, the whole auxiliary molding device 7 can quickly absorb the heat in the die seat A1 and lead into the outside air, so that the hot melt plastic in the molding cavity can be quickly cooled and molded, and the purpose of auxiliary molding is achieved.

The working principle and the using process of the utility model are as follows: after the automobile key precision injection mold is installed, firstly, a mold seat A1 and a mold seat B2 are installed on corresponding installation positions on a mold case, wherein the mold seat A1 is installed in a fixed mode, the mold seat B2 is installed in a movable mode, after the automobile key precision injection mold is installed, a power cylinder on the mold case can push the mold seat B2 forwards and backwards, a demolding push plate 4 in a demolding groove 3 can move forwards and backwards through a push cylinder, finally, an injection port 10 on the mold seat A1 is required to be in butt joint with an injection molding machine, then the automobile key precision injection mold can be normally used for injection molding, when the automobile key precision injection mold works, the power cylinder on the mold case can push the mold seat B2 forwards, so that the mold seat A1 and the mold seat B2 are matched, at the moment, the front ends of a plurality of molding modules 12 are inserted into a plurality of molding grooves 14 and are formed into molding cavities in the molding grooves 14, the injection molding machine can inject hot-melt plastics into the molding cavity, after the hot-melt plastics are completely injected, the cooling molding of the hot-melt plastics injected into the molding cavity needs to be waited, the finished automobile key can be formed after the cooling molding of the hot-melt plastics, the closed mold seat A1 and the mold seat B2 are demoulded by a power cylinder on a mold case after the molding, then a push cylinder can push a demoulding push plate 4 forwards, the demoulding push plate 4 can push a plurality of molding modules 12 forwards, the molded automobile key can fall naturally, and finally an operator can collect the finished automobile key at one time.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a car button precision injection mold, includes mould seat A (1) and mould seat B (2), its characterized in that: the die seat A (1) is arranged on the front side of the die seat B (2), the outer walls of the upper end and the lower end of the front side of the die seat A (1) are respectively provided with an installation batten (8), the center of the front end of the die seat A (1) is provided with an injection port (10), the longitudinal inner part of the die seat A (1) close to four corners is provided with a positioning guide hole (9), the outer walls of the four sides of the die seat A (1) are respectively provided with an auxiliary forming device (7), the outer wall of the rear end of the die seat B (2) is provided with a rectangular installation plate (5), the transverse inner part of the die seat B (2) is provided with a demoulding groove (3), the inner part of the demoulding groove (3) is provided with a demoulding push plate (4), the outer wall of the front end of the die seat B (2) close to four corners is provided with positioning guide pillars (6), and the four positioning guide pillars (6) respectively correspondingly penetrate through the inner parts of the four positioning guide holes (9), auxiliary forming device (7) are including pure copper heat-conducting plate (15), metal box (16), fin (17) and injection opening (18), pure copper heat-conducting plate (15) are through screwed connection on the four sides outer wall of mould seat A (1), be provided with metal box (16) on the outer wall of pure copper heat-conducting plate (15), be provided with fin (17) on the outer wall of metal box (16), be provided with injection opening (18) on metal box (16) top outer wall.

2. The precise injection mold for the automobile keys according to claim 1, characterized in that: the die is characterized in that an annular sealing sheet (11) is arranged on the outer wall of the center of the front end of the die seat B (2), a plurality of forming modules (12) are arranged on the inner side of the annular sealing sheet (11), and the rear ends of the forming modules (12) are connected to the outer wall of the front end of the demolding push plate (4).

3. The precise injection mold for the automobile keys according to claim 1, characterized in that: the die seat A (1) is characterized in that an inwards-concave annular sealing groove (13) is formed in the outer wall of the center of the rear end of the die seat A (1), and a plurality of forming grooves (14) are formed in the inner side of the annular sealing groove (13).

4. The precise injection mold for the automobile keys according to claim 1, characterized in that: the cross section shape and the area size of mould seat A (1) and mould seat B (2) are all the same, the rear end outer wall of mould seat A (1) can laminate with the front end outer wall of mould seat B (2) completely.

5. The precise injection mold for the automobile keys according to claim 1, characterized in that: the positioning guide post (6) is made of a whole metal in a turning mode, the circular outer wall of the positioning guide post (6) is attached to the circular inner wall of the positioning guide hole (9), and the positioning guide post (6) can move back and forth in the positioning guide hole (9).

6. The precise injection mold for the automobile keys according to claim 1, characterized in that: the lateral length of drawing of patterns push pedal (4) is less than the lateral length of mould seat B (2), drawing of patterns push pedal (4) can slide around the inside of drawing of patterns groove (3), the rear end of drawing of patterns push pedal (4) still is provided with mounting flange, drawing of patterns push pedal (4) are through the mounting flange of rear end and outside promotion cylinder fixed connection.

7. The precise injection mold for the automobile keys according to claim 1, characterized in that: the metal box (16) and the radiating fins (17) are made of aluminum alloy, cooling liquid is filled in the metal box (16), and the pure copper heat conducting plate (15) can be completely attached to the outer wall of the die seat A (1).

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