CN218700898U

CN218700898U - Mould for automobile front bumper

Info

Publication number: CN218700898U
Application number: CN202223129345.6U
Authority: CN
Inventors: 刘青楠; 汪辉; 朱亚君
Original assignee: Hengchi Auto Parts Tianjin Co ltd
Current assignee: Hengchi Auto Parts Tianjin Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-03-24
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a mould for automobile front bumpers, which relates to the technical field of automobile accessory production, and comprises an automobile front bumper mould main body, wherein the bottom of the automobile front bumper mould main body is provided with a mould base, a combined mould unit is arranged above the mould base, and an injection molding mechanism is arranged above the combined mould unit; the combined die unit comprises a combined lower die unit, a die disassembling unit and a die heat radiating unit. The utility model discloses going on between well movable mould and the fixed mould through the middle part sealing washer joint combination formation bed die, the middle part sealing washer has increased the leakproofness between movable mould and the fixed mould, and the combination locating lever plays the effect of location at movable mould and fixed mould combination in-process, and the motor drives the threaded rod and rotates, and movable mould moves back under the cooperation of the spacing spout in mold base bottom and makes movable mould and fixed mould separate, is convenient for carry out the drawing of patterns with car front bumper.

Description

Mould for automobile front bumper

Technical Field

The utility model relates to an auto-parts production technical field, concretely relates to mould for car front bumper.

Background

At present, the material of car bumper is mostly that polypropylene plastics makes, mainly is located locomotive (front bumper) and rear of a vehicle (rear bumper), and car front and rear bumper is except keeping original protect function, still needs to pursue harmonious and unified with the automobile body molding, pursues the lightweight of itself, and injection mold need be used in the production of car front and rear bumper, and current injection mold divide into two parts, is not convenient for carry out the drawing of patterns, consequently, the utility model provides a mould for car front bumper.

In the prior art, a chinese utility model patent document with publication number CN214926214U and publication date 2021, 11 and 30 is proposed to solve the above technical problems, and the technical scheme disclosed in the patent document is as follows: the utility model provides a mould for car front bumper, includes first mould, the equal fixedly connected with mounting bracket in first mould both ends, a plurality of electric telescopic handle of mounting bracket inner wall top fixedly connected with, it is a plurality of the common fixedly connected with second mould in electric telescopic handle bottom, all the common fixedly connected with heat dissipation fan of electric telescopic handle, the heat dissipation chamber has been seted up at second mould top, a plurality of heat dissipation posts of heat dissipation chamber roof fixedly connected with, the heat dissipation post top runs through the heat dissipation chamber and extends to its outside, a plurality of recesses have been seted up to heat dissipation intracavity wall bottom, a plurality of radiating blocks of heat dissipation intracavity wall fixedly connected with, the utility model discloses a set up heat dissipation chamber, heat dissipation case, first connecting pipe, second connecting pipe and cooling water, heat dissipation chamber, heat dissipation case, first connecting pipe, second connecting pipe and cooling water set up be convenient for better dispel the heat to the second mould, be convenient for better use, the device easy operation.

In order to solve the problem of poor heat dissipation efficiency of the mold, the prior art adopts a mode that a hot cavity, a heat dissipation box, a first connecting pipe, a second connecting pipe and cooling water are matched with each other to process, but the condition that the automobile front bumper is not convenient to demould in the mold can also occur, and then the problem that the production efficiency of the automobile front bumper is low is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mould for car front bumper to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

a mold for an automobile front bumper comprises an automobile front bumper mold main body, wherein a mold base is arranged at the bottom of the automobile front bumper mold main body, a combined mold unit is arranged above the mold base, and an injection molding mechanism is arranged above the combined mold unit; the combined die unit comprises a combined lower die unit, a die disassembling unit and a die heat radiating unit, wherein the combined lower die unit is arranged on the upper surface of the die base, the die disassembling unit is arranged on one side of the combined die unit, and the die heat radiating unit is arranged inside the combined die unit; the injection molding mechanism comprises a mold cover unit and an injection molding unit, the mold cover unit is arranged above the combined mold unit, and the injection molding unit is arranged at the top of the mold cover unit.

The utility model discloses technical scheme's further improvement lies in: the combined lower die unit comprises a movable die with a lower surface connected with the upper surface of a die base in a sliding manner, a sliding groove matched with the movable die is formed in the upper surface of the die base, and a fixed die is arranged on one side of the movable die.

By adopting the technical scheme, the movable mould and the fixed mould are sealed, clamped and combined through the middle sealing ring to form the lower mould.

The utility model discloses technical scheme's further improvement lies in: the lower surface of the fixed die is fixedly connected with the upper surface of the die base, an upper end sealing ring is fixedly mounted on the upper surface of the movable die and the upper surface of the fixed die, a middle sealing ring is fixedly mounted on the side surface of the fixed die, which is in contact with the movable die, a sealing clamping groove matched with the middle sealing ring is formed in the side surface of the movable die and the side surface of the fixed die, and the outer surface of the middle sealing ring is clamped with the side wall of the movable die.

By adopting the technical scheme, the middle sealing ring increases the sealing property between the movable mould and the fixed mould, and the combined positioning rod plays a positioning role in the combined process of the movable mould and the fixed mould.

The utility model discloses technical scheme's further improvement lies in: the mould disassembling unit comprises a combined positioning rod, one end of the combined positioning rod is fixedly connected with the surface of one side of the fixed mould, the other end of the combined positioning rod is fixedly connected with the upper surface of the mould base, and the inner wall of one side of the movable mould is in sliding connection with the outer surface of the combined positioning rod.

By adopting the technical scheme, the motor drives the threaded rod to rotate, the movable die moves backwards under the matching of the limiting sliding groove at the bottom of the die base to separate the movable die from the fixed die, and the automobile front bumper is convenient to demold.

The utility model discloses technical scheme's further improvement lies in: the mould dismantles the unit still including the motor of the last fixed surface of lower surface and mould base being connected, the output shaft fixed mounting of motor has the threaded rod, the one end of threaded rod is connected with the opposite side surface rotation of fixed mould, the opposite side inner wall of moving mould and the surface threaded connection of threaded rod.

By adopting the technical scheme, the telescopic rod enables the upper die cover to move downwards to be hermetically installed with the lower die consisting of the movable die and the fixed die.

The utility model discloses technical scheme's further improvement lies in: the mould heat dissipation unit comprises a lower end pipe orifice and a cooling water injection pipe fixedly connected with the upper end of the inner wall on one side of the movable mould and the fixed mould, the side walls of the movable mould and the fixed mould are provided with cooling heat dissipation cavities, the other side of the cooling water injection pipe is provided with a cooling water outlet pipe, the pipe orifice of one end of the cooling water outlet pipe is fixedly connected with the lower end of the inner wall on the other side of the movable mould and the fixed mould respectively, and the cooling heat dissipation cavities of the movable mould and the fixed mould are uniformly provided with heat dissipation fins.

By adopting the technical scheme, the upper end sealing ring increases the sealing property between the movable mould, the fixed mould and the upper mould cover.

The utility model discloses technical scheme's further improvement lies in: the mould lid unit is including the last mould lid of lower surface and moving die, the joint of stationary mould upper surface, the lower surface inner wall of going up the mould lid is provided with the sealed draw-in groove with middle part sealing washer looks adaptation, the last fixed surface of going up the mould lid installs the telescopic link, the pneumatic cylinder of telescopic link and the ceiling fixed connection of mould base, the unit of moulding plastics is including the pipe of moulding plastics, the lower extreme of the pipe of moulding plastics runs through the inner wall of upper mould lid.

By adopting the technical scheme, the polypropylene plastic melting liquid is injected into the sealing mould through the injection pipe, the cooling water is injected into the cooling cavities of the movable mould and the fixed mould through the cooling water injection pipe and flows out through the cooling water outlet pipe to realize cooling liquid circulation to cool the mould and accelerate polypropylene plastic molding, and the heat is conducted into the cooling liquid through the radiating fins to exchange heat.

Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:

1. the utility model provides a mould for car front bumper seals the joint combination through the middle part sealing washer between movable mould and the fixed mould and forms the bed die, and the middle part sealing washer has increased the leakproofness between movable mould and the fixed mould, and the combination locating lever plays the effect of location at movable mould and fixed mould combination in-process, and the motor drives the threaded rod and rotates, and movable mould moves back under the cooperation of the spacing spout in mold base bottom and makes movable mould and fixed mould separate, is convenient for carry out the drawing of patterns with car front bumper.

2. The utility model provides a mould for car front bumper, the telescopic link makes the last mould lid move down with the moving die, the bed die that the stationary mould constitutes carries out seal installation, the upper end sealing washer has increased the moving die, the leakproofness between stationary die and the last mould lid, pour into polypropylene plastics through the pipe of moulding plastics to the sealing die and melt liquid, the cooling water injection pipe is to the moving die, pour into the cooling water in the cooling chamber of stationary die and realize that the cooling liquid circulation cools down the cooling to the mould with higher speed polypropylene plastics shaping through the outflow of cooling outlet pipe, radiating fin advances the coolant liquid with the heat conduction, carry out the heat exchange.

Drawings

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

FIG. 2 is a schematic diagram of the structure combination mold unit according to the present invention;

FIG. 3 is a schematic view of the structure assembling mold unit according to the present invention;

fig. 4 is a schematic sectional view of the structural movable mold of the present invention.

In the figure: 1. an automobile front bumper mold main body; 11. a mold base; 2. a combined mold unit; 21. moving the mold; 22. fixing a mold; 23. an upper end sealing ring; 24. a middle seal ring; 25. combining the positioning rods; 26. a motor; 27. a threaded rod; 28. cooling the water injection pipe; 281. cooling the water outlet pipe; 29. a heat dissipating fin; 3. an injection molding mechanism; 31. an upper mold cover; 32. injection molding a tube; 33. a telescopic rod.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-4, the utility model provides a mold for a front bumper of an automobile, which comprises a main mold body 1 of the front bumper of the automobile, wherein a mold base 11 is arranged at the bottom of the main mold body 1 of the front bumper of the automobile, a combined mold unit 2 is arranged above the mold base 11, and an injection molding mechanism 3 is arranged above the combined mold unit 2; the combined die unit 2 comprises a combined lower die unit, a die disassembling unit and a die heat radiating unit, the combined lower die unit is arranged on the upper surface of the die base 11, the die disassembling unit is arranged on one side of the combined die unit, and the die heat radiating unit is arranged inside the combined die unit; the injection mechanism 3 comprises a mold cover unit and an injection unit, the mold cover unit is arranged above the combined mold unit, the injection unit is arranged at the top of the mold cover unit, the combined lower mold unit comprises a movable mold 21 with the lower surface being in sliding connection with the upper surface of the mold base 11, the upper surface of the mold base 11 is provided with a chute adapted to the movable mold 21, one side of the movable mold 21 is provided with a fixed mold 22, the lower surface of the fixed mold 22 is fixedly connected with the upper surface of the mold base 11, upper end sealing rings 23 are fixedly arranged on the upper surfaces of the movable mold 21 and the fixed mold 22, a middle sealing ring 24 is fixedly arranged on the side surface of the fixed mold 22 contacting the movable mold 21, a sealing clamping groove adapted to the middle sealing ring 24 is arranged on the side surface of the movable mold 21 contacting the fixed mold 22, the outer surface of the middle sealing ring 24 is clamped with the side wall of the movable mold 21, a lower mold is formed by performing sealing and clamping combination through the middle sealing ring 24 between the movable mold 21 and the fixed mold 22, the sealing ring middle sealing ring 24 increases the sealing performance between the movable mold 21 and the fixed mold 22, and the combined positioning rod 25 plays a positioning role in the combined process of the movable mold 21 and the fixed mold 22.

Example 2

As shown in fig. 1-4, on the basis of embodiment 1, the utility model provides a technical solution: the mold disassembling unit comprises a combined positioning rod 25 with one end fixedly connected with the surface of one side of the fixed mold 22, the other end of the combined positioning rod 25 is fixedly connected with the upper surface of the mold base 11, the inner wall of one side of the movable mold 21 is connected with the outer surface of the combined positioning rod 25 in a sliding mode, the mold disassembling unit further comprises a motor 26 with the lower surface fixedly connected with the upper surface of the mold base 11, a threaded rod 27 is fixedly mounted on an output shaft of the motor 26, one end of the threaded rod 27 is connected with the surface of the other side of the fixed mold 22 in a rotating mode, the inner wall of the other side of the movable mold 21 is connected with the outer surface of the threaded rod 27 in a threaded mode, the motor 26 drives the threaded rod 27 to rotate, the movable mold 21 moves backwards in cooperation with a limiting sliding groove in the bottom of the mold base 11 to separate the movable mold 21 from the fixed mold 22, and demolding of a front bumper of an automobile is facilitated.

Example 3

As shown in fig. 1-4, on the basis of embodiment 1, the utility model provides a technical solution: the mould heat radiation unit comprises a cooling water injection pipe 28 with a lower end pipe orifice fixedly connected with the upper end of the inner wall at one side of the movable mould 21 and the fixed mould 22, the side walls of the movable mould 21 and the fixed mould 22 are provided with cooling heat radiation cavities, the other side of the cooling water injection pipe 28 is provided with a cooling water outlet pipe 281, one end pipe orifice of the cooling water outlet pipe 281 is respectively fixedly connected with the lower ends of the inner walls at the other side of the movable mould 21 and the fixed mould 22, heat radiation fins 29 are uniformly distributed in the cooling heat radiation cavities of the movable mould 21 and the fixed mould 22, the mould cover unit comprises an upper mould cover 31 with the lower surface clamped with the upper surfaces of the movable mould 21 and the fixed mould 22, the inner wall of the lower surface of the upper mould cover 31 is provided with a sealing clamping groove matched with the middle sealing ring 24, and the upper surface of the upper mould cover 31 is fixedly provided with an expansion link 33, the hydraulic cylinder of the telescopic rod 33 is fixedly connected with the ceiling of the mold base 11, the injection molding unit comprises an injection molding pipe 32, the lower end of the injection molding pipe 32 penetrates through the inner wall of the upper mold cover 31, the telescopic rod 33 enables the upper mold cover 31 to move downwards to be hermetically mounted with a lower mold consisting of the movable mold 21 and the fixed mold 22, the sealing performance between the movable mold 21 and the fixed mold 22 and the upper mold cover 31 is improved by the upper sealing ring 23, polypropylene plastic melt liquid is injected into the sealing mold through the injection molding pipe 32, cooling water is injected into a cooling cavity of the movable mold 21 and the fixed mold 22 through the cooling water injection pipe 28 and flows out through the cooling water outlet pipe 281 to realize cooling liquid circulation to cool the molds and accelerate polypropylene plastic molding, and the heat is conducted into the cooling liquid through the heat radiating fins 29 to perform heat exchange.

The working principle of the mold for the front bumper of the automobile will be described in detail below.

As shown in fig. 1-4, first, a lower mold is formed by performing a sealing and clamping combination between a movable mold 21 and a fixed mold 22 through a middle seal ring 24, an upper mold cover 31 is moved down by a telescopic rod 33 to perform a sealing installation with the lower mold composed of the movable mold 21 and the fixed mold 22, then, a polypropylene plastic melt is injected into the sealing mold through an injection pipe 32, cooling water is injected into a cooling cavity of the movable mold 21 and the fixed mold 22 through a cooling water injection pipe 28 and flows out through a cooling water outlet pipe 281 to realize cooling and temperature reduction of the mold by cooling liquid circulation to accelerate polypropylene plastic molding, finally, a motor 26 drives a threaded rod 27 to rotate, the movable mold 21 moves backwards under the coordination of a limiting chute at the bottom of a mold base 11 to separate the movable mold 21 from the fixed mold 22, so as to facilitate the demolding of a front bumper of an automobile.

The present invention has been described in detail with reference to the above general description, but it will be apparent to one of ordinary skill in the art that modifications and improvements can be made to the invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.

Claims

1. The utility model provides a mould for car front bumper, includes car front bumper mould main part (1), the bottom of car front bumper mould main part (1) is provided with mould base (11), its characterized in that: a combined die unit (2) is arranged above the die base (11), and an injection molding mechanism (3) is arranged above the combined die unit (2);

the combined die unit (2) comprises a combined lower die unit, a die disassembling unit and a die heat radiating unit, the combined lower die unit is arranged on the upper surface of the die base (11), the die disassembling unit is arranged on one side of the combined die unit, and the die heat radiating unit is arranged inside the combined die unit;

the injection molding mechanism (3) comprises a mold cover unit and an injection molding unit, the mold cover unit is arranged above the combined mold unit, and the injection molding unit is arranged at the top of the mold cover unit.

2. The mold for a front bumper of an automobile according to claim 1, wherein: the combined lower die unit comprises a movable die (21) with a lower surface connected with the upper surface of a die base (11) in a sliding manner, a sliding groove matched with the movable die (21) is formed in the upper surface of the die base (11), and a fixed die (22) is arranged on one side of the movable die (21).

3. The mold for a front bumper of an automobile according to claim 2, wherein: the lower surface of fixed mould (22) is connected with the last fixed surface of mould base (11), the equal fixed mounting of upper surface of moving mould (21) and fixed mould (22) has upper end sealing washer (23), the side surface fixed mounting with the contact of moving mould (21) of fixed mould (22) has middle part sealing washer (24), the side surface that moves mould (21) and fixed mould (22) contact is provided with the sealed draw-in groove with middle part sealing washer (24) looks adaptation, the surface of middle part sealing washer (24) and the lateral wall joint of moving mould (21).

4. The mold for a front bumper of an automobile according to claim 3, wherein: the mould disassembly unit comprises a combined positioning rod (25) with one end fixedly connected with the surface of one side of the fixed mould (22), the other end of the combined positioning rod (25) is fixedly connected with the upper surface of the mould base (11), and the inner wall of one side of the movable mould (21) is connected with the outer surface of the combined positioning rod (25) in a sliding mode.

5. The mold for a front bumper of an automobile according to claim 4, wherein: the mould dismantles the unit still including motor (26) of the last fixed surface of lower surface and mould base (11) being connected, the output shaft fixed mounting of motor (26) has threaded rod (27), the one end of threaded rod (27) is connected with the opposite side surface rotation of stationary mould (22), the opposite side inner wall of moving mould (21) and the surface threaded connection of threaded rod (27).

6. The mold for a front bumper of an automobile according to claim 1, wherein: the mould heat dissipation unit is including lower extreme mouth of pipe and movable mould (21), decide mould (22) one side inner wall upper end fixed connection's cooling water injection pipe (28), the lateral wall of movable mould (21), deciding mould (22) is provided with the cooling heat dissipation chamber, the opposite side of cooling water injection pipe (28) is provided with cooling outlet pipe (281), the one end mouth of pipe of cooling outlet pipe (281) respectively with the opposite side inner wall lower extreme fixed connection who moves mould (21), decides mould (22), the cooling heat dissipation chamber evenly distributed that moves mould (21), decides mould (22) has radiating fin (29).

7. The mold for a front bumper of an automobile according to claim 1, wherein: the mould lid unit is including last mould lid (31) of lower surface and movable mould (21), stationary mould (22) upper surface joint, the lower surface inner wall of last mould lid (31) is provided with the sealed draw-in groove with middle part sealing washer (24) looks adaptation, the last fixed surface of last mould lid (31) installs telescopic link (33), the pneumatic cylinder of telescopic link (33) and the ceiling fixed connection of mould base (11), the unit of moulding plastics is including moulding plastics pipe (32), the lower extreme of moulding plastics pipe (32) runs through the inner wall of last mould lid (31).