CN218505104U

CN218505104U - Injection mold for upper decoration of automobile front bumper

Info

Publication number: CN218505104U
Application number: CN202222694125.1U
Authority: CN
Inventors: 李必正; 许伟志; 金玲超; 王湛喻
Original assignee: Taizhou Huangyan Zhengyi Mould Co ltd
Current assignee: Taizhou Huangyan Zhengyi Mould Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-02-21
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses a car front bumper upper portion decoration injection mold, include: the upper surface of the fixed die holder is fixedly provided with a horizontal core plate, the outer wall of a convex forming block at the center of the core plate is provided with a product piece in a fitting manner, and the four corners of the core plate are provided with vertical positioning holes; further comprising: the mould cavity block, its bottom becomes the mould cavity with the laminating is provided with the product spare between the mould core board top becomes the mould cavity block, the laminating of the bottom surface edge of mould cavity block sets up form seal structure on the inner wall of mould core board. This car front bumper upper portion decoration injection mold, its raw materials pour into structural heating structure that is provided with into, can heat the raw materials that the in-process of moulding plastics flows, keep the raw materials at suitable temperature, prevent the mobility of melting raw materials and worsen, and the device is provided with a plurality of injection ports, has improved raw materials and has added speed to the device is provided with the automatic demoulding mechanism of product spare, need not manual operation, has improved work efficiency.

Description

Injection mold for upper decoration of automobile front bumper

Technical Field

The utility model relates to an automobile bumper decoration injection mold technical field specifically is car front bumper upper portion decoration injection mold.

Background

The parts on the bumper before the car adopt the plastics material mostly, and the plastics bumper can reduce whole car weight, and when car bumper and human collision, the plastics material is less to the injury of human body, and bumper upper portion decoration adopts injection mold to produce, with the fused raw materials injection mold in, can make bumper decoration product after the raw materials cooling, nevertheless current bumper decoration injection mold still has some problems.

For example, a plastic mold with publication number of CN212171157U for producing a front bumper lower decoration in an automobile injection molding part relates to the technical field of automobile production molds, and comprises a fixed base, a lower mold and an upper mold, wherein the lower mold is welded on the top of the fixed base, a split-screen display is installed on one side of the fixed base, an annular chute is formed in the fixed base, an electric roller is movably arranged in the annular chute, and a movable plate is welded on the top of the electric roller;

above-mentioned device, its raw materials pours into structural heating structure that does not have, the molten raw materials temperature can constantly reduce when the passageway of moulding plastics of flowing through, lead to the mobility variation of raw materials, raw materials injection speed has been reduced, and there is certain jam risk, and the device only is provided with single injection port, the raw materials interpolation speed of mould is slower, and the device does not set up the automatic demoulding mechanism of product spare, need manually take out product spare from the mould after the product spare is made, work efficiency has been reduced.

In order to solve the problems, innovative design is urgently needed on the basis of the injection mold for the original bumper decorating parts.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bumper upper portion decoration injection mold before car, with the bumper decoration injection mold who has been provided to solve above-mentioned background art, its raw materials injection structure does not set up the heating structure, the temperature of fused raw materials can constantly reduce when the passageway of moulding plastics flows through, lead to the mobility variation of raw materials, the raw materials injection speed has been reduced, and there is certain jam risk, and the device only is provided with single injection port, the raw materials interpolation speed of mould is slower, and the device does not set up the automatic demoulding mechanism of product spare, need manual taking out product spare from the mould after the product spare is made, the problem of work efficiency has been reduced.

In order to achieve the above object, the utility model provides a following technical scheme: car front bumper upper portion decoration injection mold includes:

the upper surface of the fixed die holder is fixedly provided with a horizontal core plate, the outer wall of a convex forming block at the central position of the core plate is provided with a product piece in an attaching mode, and vertical positioning holes are formed in four corners of the core plate;

further comprising:

a product piece is arranged between a forming cavity at the bottom of the cavity block and a forming block at the top of the core plate in a fitting manner, and the edge of the bottom surface of the cavity block is arranged on the inner wall of the core plate in a fitting manner to form a sealing structure;

the edge of the bottom surface of the movable die holder is attached to the upper surface of the core plate and coaxially arranged with the upper surface of the core plate, the top of the cavity block is fixedly embedded in the center of the bottom of the movable die holder, vertically arranged limiting columns are fixedly arranged at four corners of the movable die holder, and the limiting columns are attached to and inserted in positioning holes in the core plate to form limiting structures.

Preferably, the cavity block and the movable die holder are fixedly provided with vertically arranged injection nozzles in a penetrating manner, nozzles at the lower ends of the injection nozzles are in contact with the upper surface of the product, the injection nozzles are distributed on the cavity block at equal intervals, and the speed of injecting the raw materials of the die is increased through the plurality of injection nozzles.

Preferably, the upper port of the injection nozzle is fixedly arranged on the bottom surface of the communicating pipe in a penetrating manner to form a raw material conveying structure, the bottom of the communicating pipe is fixedly arranged on the inner wall of the top of the movable die holder, the lower port of the sprue bush is fixedly connected to the center of the top of the communicating pipe in a penetrating manner to form a feeding structure, and the upper end of the sprue bush is fixedly arranged on the top of the movable die holder in a penetrating manner, so that external molten raw materials can flow into the communicating pipe through the sprue bush.

Preferably, the upper and lower two sides of communicating pipe are fixed to inlay and are equipped with just to the heating coil that sets up, and the heating coil is along the equidistant distribution of the horizontal axis of communicating pipe, the axis of injection shower nozzle is located the inboard of heating coil utilizes the heating coil to improve the temperature of the intraductal mobile raw materials of communicating.

Preferably, the top of core board slides to inlay and is equipped with first kicking block and second kicking block, and the upper surface of first kicking block and second kicking block with the bottom surface laminating setting of product spare to fixed mounting has the first push rod of vertical setting on the bottom surface of first kicking block, first push rod slide run through in the core board setting, and the lower extreme fixed mounting of first push rod is at the upper surface of travelling platform for first push rod can drive first kicking block and remove.

Preferably, fixed mounting has the second push rod on the bottom surface of second kicking block, and the slope of second push rod sets up so that provide slant thrust to the second push rod slides and runs through in the core board setting, the one end that the second kicking block was kept away from to the second push rod is rotated and is installed on the connecting piece, and the connecting piece is fixed to be inlayed and is established in the through mounting groove of seting up on the mobile station for the connecting piece can drive the second push rod and remove.

Preferably, the guide post that runs through to install equidistant distribution on the mobile station forms the limit structure that slides, and the lower terminal surface fixed mounting of guide post is on the die holder to the up end of guide post with the bottom surface laminating of coreboard, the fixed hydro-cylinder that runs through to install on the mobile station, and the output top fixed connection of hydro-cylinder is in on the bottom surface of coreboard for the hydro-cylinder can drive the mobile station and slide along the guide post.

Compared with the prior art, the beneficial effects of the utility model are that: this car front bumper upper portion decoration injection mold, its raw materials pour into structural heating structure that is provided with into, can heat the raw materials that the in-process of moulding plastics flows, keep the raw materials at suitable temperature, prevent the mobility of melting raw materials and worsen, and the device is provided with a plurality of injection ports, has improved raw materials and has added speed to the device is provided with the automatic demoulding mechanism of product spare, need not manual operation, has improved work efficiency, and its concrete content is as follows:

1. the cavity block and the movable die holder are fixedly provided with injection nozzles which are distributed at equal intervals in a penetrating way, the upper ports of the injection nozzles are fixedly arranged on the bottom surface of the communicating pipe in a penetrating way to form a raw material conveying structure, the center of the top of the communicating pipe is fixedly connected with the lower port of the sprue bush in a penetrating way to form a feeding structure, the upper surface and the lower surface of the communicating pipe are fixedly embedded with heating rings which are oppositely arranged, the heating rings are distributed at equal intervals along the horizontal axis of the communicating pipe, external molten raw materials flow into the communicating pipe through the sprue bush, and the raw materials in the communicating pipe are injected into the die through the plurality of injection nozzles;

2. the core plate top slides and inlays and is equipped with first kicking block and second kicking block, and the upper surface of first kicking block and second kicking block and the bottom surface laminating setting of product spare, fixed mounting has the first push rod of vertical setting on the bottom surface of first kicking block, and the lower extreme fixed mounting of first push rod is at the upper surface of mobile station, fixed mounting has the second push rod that the slope set up on the bottom surface of second kicking block, the second push rod slides and runs through in the core plate setting, the one end rotation that the second kicking block was kept away from to the second push rod is installed on the connecting piece, the connecting piece is fixed to be inlayed and is established on the mobile station, when the mobile station moves up, the mobile station will drive first push rod and the synchronous rebound of second push rod, make first push rod and second push rod drive first kicking block and second kicking block and remove, utilize first kicking block and second kicking block ejecting with the product spare.

Drawings

FIG. 1 is a schematic view of the overall external structure of the present invention;

FIG. 2 is a schematic view of the installation structure of the sprue bush of the present invention;

FIG. 3 is a schematic view of the installation structure of the communication pipe of the present invention;

FIG. 4 is a schematic view of the installation structure of the cavity block of the present invention;

fig. 5 is a schematic view of the injection nozzle mounting structure of the present invention;

fig. 6 is a schematic view of the installation structure of the heating ring of the present invention;

fig. 7 is a schematic view of the installation structure of the core plate of the present invention;

FIG. 8 is a schematic view of the product mounting structure of the present invention;

fig. 9 is a schematic view of the mounting structure of the mobile station of the present invention;

fig. 10 is a schematic view of the first push rod mounting structure of the present invention.

In the figure: 1. a die fixing seat; 2. a core plate; 3. a product piece; 4. a cavity block; 5. a movable die holder; 6. a limiting post; 7. a sprue bush; 8. a communicating pipe; 9. heating a ring; 10. an injection nozzle; 11. a first top block; 12. a first push rod; 13. a second top block; 14. a second push rod; 15. a connecting member; 16. a mobile station; 17. a guide post; 18. and an oil cylinder.

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.

Referring to fig. 1-10, the present invention provides a technical solution: car front bumper upper portion decoration injection mold includes:

the mould comprises a fixed mould base 1, a horizontal core plate 2 is fixedly arranged on the upper surface of the fixed mould base, a product part 3 is attached to the outer wall of a convex forming block at the central position of the core plate 2, and vertical positioning holes are formed in the four corners of the core plate 2;

a product piece 3 is attached between a bottom forming cavity of the cavity block 4 and a top forming block of the core plate 2, and the edge of the bottom surface of the cavity block 4 is attached to the inner wall of the core plate 2 to form a sealing structure;

the movable die holder 5 is provided with a bottom edge which is attached to the upper surface of the core plate 2 and is coaxially arranged with the upper surface of the core plate 2, the top of the cavity block 4 is fixedly embedded in the center of the bottom of the movable die holder 5, the four corners of the movable die holder 5 are fixedly provided with vertically arranged limiting columns 6, and the limiting columns 6 are attached to and inserted into positioning holes formed in the core plate 2 to form limiting structures.

The injection nozzle 10 is vertically arranged on the cavity block 4 and the movable die holder 5 in a penetrating mode, the lower end of the injection nozzle 10 is in contact with the upper surface of the product piece 3, the injection nozzle 10 is distributed on the cavity block 4 at equal intervals, in the injection molding operation process of the mold, raw materials are injected into the mold through the injection nozzles 10, the upper end of the injection nozzle 10 is fixedly arranged on the bottom surface of the communicating pipe 8 in a penetrating mode to form a raw material conveying structure, the bottom of the communicating pipe 8 is fixedly arranged on the inner wall of the top of the movable die holder 5, the lower end of the communicating pipe 8 is fixedly connected with the lower end of the sprue bush 7 in a penetrating mode to form a feeding structure, the upper end of the sprue bush 7 is fixedly arranged at the top of the movable die holder 5 in a penetrating mode, external equipment can feed the raw materials into the communicating pipe 8 through the sprue bush 7, the raw materials in the communicating pipe 8 can continuously flow into the injection nozzle 10, heating rings 9 which are arranged right in a fixed embedding mode are arranged on the upper side and the lower side of the communicating pipe 8, the heating rings 9 are distributed at equal intervals along the horizontal axis of the communicating pipe 8, the axis of the injection nozzle 10 is positioned on the inner side of the heating rings 9, and the raw materials are further used for keeping the raw materials in a proper temperature range of the communicating pipe to be improved.

The top of the core plate 2 is slidably embedded with a first ejector block 11 and a second ejector block 13, the upper surfaces of the first ejector block 11 and the second ejector block 13 are attached to the bottom surface of the product 3, a vertically arranged first push rod 12 is fixedly mounted on the bottom surface of the first ejector block 11, the first push rod 12 is slidably arranged to penetrate through the core plate 2, the lower end of the first push rod 12 is fixedly mounted on the upper surface of a moving table 16, when the moving table 16 moves upwards, the first push rod 12 mounted on the top of the moving table 16 drives the first ejector block 11 to move synchronously, a second push rod 14 is fixedly mounted on the bottom surface of the second ejector block 13, the second push rod 14 is obliquely arranged to provide oblique thrust, the second push rod 14 is slidably arranged to penetrate through the core plate 2, one end, far away from the second ejector block 13, of the second push rod 14 is rotatably mounted on the connecting piece 15, the connecting piece 15 is fixedly embedded in a through mounting groove formed in the moving table 16, the moving table 16 is connected to the upper end surface of a moving cylinder 14, the moving cylinder 18, the moving cylinder 17 is driven by the moving cylinder 17, and the moving cylinder 17, the moving cylinder 17 is mounted on the moving cylinder 17, and the moving cylinder 17, the moving cylinder 17 is mounted on the moving cylinder 17.

The working principle is as follows: when the injection mold for the upper decoration part of the front bumper of the automobile is used, firstly, referring to fig. 1-10, when a product 3 needs to be taken out, the movable mold base 5 is lifted through external equipment, so that the movable mold base 5 drives the cavity block 4 to move upwards, the limiting columns 6 arranged at the four corners of the movable mold base 5 are separated from the core plate 2, meanwhile, the cavity block 4 is far away from the product 3, so that the product 3 on the core plate 2 is exposed to the outside, then, the oil cylinder 18 is started, as the output end of the oil cylinder 18 is fixedly arranged on the core plate 2, the oil cylinder 18 is fixedly embedded on the movable table 16, and the movable table 16 is slidably penetrated with a plurality of guide columns 17, at the moment, the oil cylinder 18 drives the movable table 16 to move upwards along the guide columns 17, the first push rod 12 and the connecting piece 15 fixedly arranged on the movable table 16 move synchronously, the first push rod 12 drives the first push block 11 to slide on the core plate 2, the connecting piece 15 drives the rotatably arranged second push rod 14 to slide in the core plate 2 synchronously, the second push rod 13 arranged on the core plate 2, and the second push rod 13 is ejected out by the second push rod 3 and the core plate 2 synchronously;

referring to fig. 1-10, after the product piece 3 in the mold is taken out, when the injection molding operation is performed again, the movable mold base 5 is pushed by external equipment to approach the core plate 2 on the fixed mold base 1 for mold closing, so that the cavity block 4 approaches the center of the top of the core plate 2 to form a molding space of the product piece 3, then the external injection equipment sends the molten raw material into the communicating pipe 8 through the sprue bush 7, and the raw material in the communicating pipe 8 flows out through the plurality of injection nozzles 10 communicated with the bottom, so that the raw material is injected into the molding space formed by the core plate 2 and the cavity block 4, in the process, the heating rings 9 embedded in the communicating pipe 8 are synchronously started, the communicating pipe 8 is heated by the electrified heating rings 9, the temperature of the raw material flowing in the communicating pipe 8 is increased, the temperature of the raw material is kept in a proper range, and the flowability of the raw material is enhanced to reduce the generation of a later-stage weld line.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Car front bumper upper portion decoration injection mold includes:

the mould comprises a fixed mould seat (1), wherein a horizontal core plate (2) is fixedly arranged on the upper surface of the fixed mould seat, a product part (3) is attached to the outer wall of a convex forming block at the central position of the core plate (2), and vertical positioning holes are formed in the four corners of the core plate (2);

it is characterized by also comprising:

a product piece (3) is attached between a forming cavity at the bottom of the cavity block (4) and a forming block at the top of the core plate (2), and the edge of the bottom surface of the cavity block (4) is attached to the inner wall of the core plate (2) to form a sealing structure;

move die holder (5), its bottom surface edge laminating sets up the upper surface of core board (2), both coaxial settings, the top of die cavity piece (4) is fixed to be inlayed and is established the bottom center department of moving die holder (5), the equal fixed mounting in four corners department of moving die holder (5) has spacing post (6) of vertical setting, and just spacing post (6) laminating is inserted and is established form limit structure in the locating hole on core board (2).

2. The injection mold for an upper garnish for a front bumper of an automobile according to claim 1, wherein: and vertically arranged injection nozzles (10) are fixedly installed on the cavity block (4) and the movable mold base (5) in a penetrating mode, nozzles at the lower end of the injection nozzles (10) are in contact with the upper surface of the product piece (3), and the injection nozzles (10) are distributed on the cavity block (4) at equal intervals.

3. The injection mold for an upper garnish for a front bumper of an automobile according to claim 2, wherein: the upper end opening of the injection nozzle (10) is fixedly communicated with the bottom surface of the communicating pipe (8) to form a raw material conveying structure, the bottom of the communicating pipe (8) is fixedly arranged on the inner wall of the top of the movable die holder (5), the lower end opening of the sprue bush (7) is fixedly communicated with the top center of the communicating pipe (8) to form a feeding structure, and the upper end of the sprue bush (7) is fixedly communicated with the top of the movable die holder (5).

4. The injection mold for an upper garnish for a front bumper of an automobile according to claim 3, wherein: the upper surface and the lower surface of the communicating pipe (8) are fixedly embedded with heating rings (9) which are just opposite to each other, the heating rings (9) are distributed at equal intervals along the horizontal axis of the communicating pipe (8), and the axis of the injection nozzle (10) is positioned on the inner side of the heating rings (9).

5. The injection mold for an upper garnish for a front bumper of an automobile according to claim 1, wherein: the top of core board (2) slides to inlay and is equipped with first kicking block (11) and second kicking block (13), and the upper surface of first kicking block (11) and second kicking block (13) with the bottom surface laminating setting of product spare (3) to fixed mounting has first push rod (12) of vertical setting on the bottom surface of first kicking block (11), first push rod (12) slide run through in core board (2) set up, and the lower extreme fixed mounting of first push rod (12) is at the upper surface of removal platform (16).

6. The injection mold for an upper garnish for a front bumper of an automobile according to claim 5, wherein: fixed mounting has second push rod (14) on the bottom surface of second kicking block (13), and second push rod (14) slope sets up so that provide slant thrust to second push rod (14) slide and run through in coreboard (2) setting, the one end rotation that second kicking block (13) was kept away from in second push rod (14) is installed on connecting piece (15), and connecting piece (15) are fixed to be inlayed and are established in the through mounting groove of seting up on mobile station (16).

7. The injection mold for an upper garnish for a front bumper of an automobile according to claim 5, wherein: guide post (17) that run through on mobile station (16) to install equidistant distribution form the limit structure that slides, and the lower terminal surface fixed mounting of guide post (17) is on die holder (1) to the up end of guide post (17) with the bottom surface laminating of coreboard (2), fixed run through on mobile station (16) installs hydro-cylinder (18), and the output top fixed connection of hydro-cylinder (18) is in on the bottom surface of coreboard (2).