CN213472066U - Injection mold for automobile armrest plate - Google Patents

Abstract

The utility model discloses an injection mold for automobile handrail plates, which comprises an upper mold and a lower mold, wherein the center of the bottom of the upper mold is provided with a pressing block, the center of the top of the upper mold is provided with a feeding pipe, a plurality of feeding channels are arranged inside the pressing block, both ends of the bottom of the upper mold are fixedly connected with linking columns, the center of the lower mold is provided with a cavity, the periphery of the cavity is provided with a connecting cavity, both ends of the top of the lower mold are provided with connecting grooves, the inside of the connecting grooves is fixedly connected with a cylinder, the output end of the cylinder is fixedly connected with the bottom of the linking columns, a heating device is arranged below the connecting cavity and is embedded inside the lower mold, both sides of the cavity are provided with overflow pipes, one end of each overflow pipe extends to the inside of the connecting cavity, one side of the connecting cavity is provided with, the cost is saved, the raw materials can be uniformly injected into the cavity, and the product quality is effectively improved.

Description

Injection mold for automobile armrest plate

Technical Field

The utility model relates to the technical field of mold, specifically be an injection mold for car handrail board.

Background

The injection mould is a tool for producing plastic products, and also a tool for endowing the plastic products with complete structures and accurate dimensions, and means that plastic melted by heat is injected into a mould cavity from an injection molding machine at high pressure, and after cooling and solidification, obtaining a molded product, wherein the injection mold is divided into two types of thermosetting plastic mold and thermoplastic plastic mold according to the molding characteristics, and divided into a transfer mold, a blow mold, a cast mold, a thermal forming mold, a hot pressing mold, an injection mold and the like according to the molding process, wherein the hot pressing die can be divided into three types of overflow type, semi-overflow type and non-overflow type in a flash mode, the injection die can be divided into two types of cold runner die and hot runner die in a pouring system, and can be divided into two types of movable type and fixed type in a loading and unloading mode, the existing injection die for the automobile handrail plate has uneven feeding and lower product quality, and the safety is poor, the overflowing raw materials are not easy to clean, and the requirements of people on the product at present can not be met far away.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold for car handrail board, simple structure can collect the waste material that spills over, practices thrift the cost, and can make inside the raw materials evenly pours into the die cavity into, effectual improvement product quality to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold for automobile handrail board, includes mould and lower mould, it is equipped with the briquetting to go up mould bottom central authorities, just it is equipped with the inlet pipe to go up mould top central authorities, the inside many feedstock channel that is equipped with of briquetting, it links up the post to go up the equal fixedly connected with in mould bottom both ends, lower mould central authorities are equipped with the die cavity, the die cavity periphery is equipped with connects the chamber, lower mould top both ends all are equipped with the spread groove, the inside equal fixedly connected with cylinder of spread groove, the cylinder output all links to each other with linking the toe portion is fixed, it is equipped with heating device to connect the chamber below, heating device is embedded inside the lower mould, the die cavity both sides all are equipped with the overflow pipe, overflow pipe one end all extends to and connects intracavity portion.

Further, heating device includes the shell body, establish to open structure on the shell body top, just the shell body is inside to be equipped with many electric heating pipe, electric heating pipe both ends all link to each other with shell body inner wall is fixed.

Furthermore, the top ends of the periphery of the cavity are provided with exhaust holes, and the exhaust holes are communicated with the connecting cavity.

Further, an opening structure is arranged at one end of each feeding channel, and the feeding channels are communicated with the feeding pipes.

Furthermore, join the post and all establish to the cylinder structure, just it all slides with the spread groove inner wall and links to each other to join the post.

Furthermore, the pressing block is matched with the shape of the cavity, and the bottom of the pressing block is coated with an anti-sticking coating.

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

through setting up inlet pipe and feedstock channel, inside making the raw materials can evenly pour into the die cavity, reduce the production of wastrel, improve product quality, through setting up linking up post and cylinder, the mould reciprocates on the drive, need not manual opening and shutting, prevent that workman's hand from scalding, improve work efficiency and protecting effect, through the briquetting, extrude the inside unnecessary raw materials of die cavity, make the raw materials get into the connection chamber by the overflow pipe, through setting up heating device, make the inside raw materials of connection chamber keep the flow state always, be convenient for concentrate the collection processing with the raw materials, through setting up the exhaust hole, prevent that the product is inside to have the bubble, through setting up antiseized coating, be convenient for clear up the briquetting.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

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

fig. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic structural view of the heating device of the present invention;

fig. 4 is an enlarged view of a of the present invention;

reference numbers in the figures: 1. an upper die; 2. a lower die; 3. briquetting; 4. a feed pipe; 5. a feed channel; 6. connecting the column; 7. a cavity; 8. a connecting cavity; 9. connecting grooves; 10. a cylinder; 11. a heating device; 12. an overflow pipe; 13. a discharge pipe; 14. an outer housing; 15. an electric heating tube; 16. an exhaust hole; 17. and (4) an anti-sticking coating.

Detailed Description

The present invention will be further described with reference to the following embodiments, wherein the drawings are for illustrative purposes only and are not intended to be limiting, and in order to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced and do not represent the size of an actual product.

As shown in fig. 1 to 4, an injection mold for an automobile handrail plate comprises an upper mold 1 and a lower mold 2, wherein a pressing block 3 is arranged in the center of the bottom of the upper mold 1, and extrudes redundant raw materials in a cavity 7 to enable the raw materials to enter a connecting cavity 8 through an overflow pipe 12, a feeding pipe 4 is arranged in the center of the top of the upper mold 1, a plurality of feeding channels 5 are arranged in the pressing block 3, so that the raw materials can be uniformly injected into the cavity 7, the generation of defective products is reduced, and the product quality is improved, linking columns 6 are fixedly connected to both ends of the bottom of the upper mold 1, the cavity 7 is arranged in the center of the lower mold 2, the connecting cavity 8 is arranged on the periphery of the cavity 7, connecting grooves 9 are arranged at both ends of the top of the lower mold 2, cylinders 10 are fixedly connected to the inside of the connecting grooves 9 to drive the upper mold 1 to move, the cylinder 10 output all links to each other with 6 bottom fixed of linking post, connect 8 below in chamber and be equipped with heating device 11, make and connect the inside raw materials in chamber 8 and keep the mobile state always, be convenient for concentrate the collection processing with the raw materials, heating device 11 is embedded inside lower mould 2, die cavity 7 both sides all are equipped with overflow pipe 12, overflow pipe 12 one end all extends to and connects 8 insides in the chamber, connect 8 one sides in chamber and be equipped with discharging pipe 13, discharging pipe 13 one end extends to 2 outsides of lower mould.

More specifically, the heating device 11 includes an outer casing 14, the top end of the outer casing 14 is provided with an open structure, a plurality of electric heating pipes 15 are arranged inside the outer casing 14, so that the raw material inside the connecting cavity 8 always keeps a flowing state, the raw material is conveniently collected and processed in a centralized manner, two ends of each electric heating pipe 15 are fixedly connected with the inner wall of the outer casing 14, the top ends of the periphery of the cavity 7 are provided with exhaust holes 16 to prevent bubbles inside the product, the exhaust holes 16 are communicated with the connecting cavity 8, one end of each feeding channel 5 is provided with an open structure, the feeding channels 5 are communicated with the feeding pipes 4, so that the raw material can be uniformly injected into the cavity 7, the generation of defective products is reduced, the product quality is improved, the connecting columns 6 are provided with a cylindrical structure, the connecting columns 6 are connected with the inner wall of the connecting groove 9 in a sliding manner, and the pressing blocks 3, and extruding redundant raw materials in the cavity 7 to enable the raw materials to enter the connecting cavity 8 through the overflow pipe 12, and coating the anti-sticking coating 17 on the bottom of the pressing block 3 to facilitate cleaning of the pressing block 3.

The working principle is as follows: this kind of injection mold for car handrail board, through setting up inlet pipe 4 and feedstock channel 5, make inside the raw materials can evenly pour into die cavity 7, reduce the production of wastrel, improve product quality, link up post 6 and cylinder 10 through setting up, it reciprocates to drive last mould 1, need not manually open and shut, prevent that workman's hand from scalding, improve work efficiency and protecting effect, through briquetting 3, extrude the inside unnecessary raw materials of die cavity 7, make the raw materials get into connection chamber 8 by overflow pipe 12, through setting up heating device 11, make the inside raw materials of connection chamber 8 keep the mobile state always, be convenient for concentrate the collection processing with the raw materials, through setting up exhaust hole 16, prevent that the product is inside to have the bubble, through setting up anti-sticking coating 17, be convenient for clear up briquetting 3.

Although particular 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 (6)

1. The utility model provides an injection mold for car handrail board, includes mould (1) and lower mould (2), its characterized in that: a pressing block (3) is arranged in the center of the bottom of the upper die (1), an inlet pipe (4) is arranged in the center of the top of the upper die (1), a plurality of feeding channels (5) are arranged in the pressing block (3), connecting columns (6) are fixedly connected to both ends of the bottom of the upper die (1), a cavity (7) is arranged in the center of the lower die (2), a connecting cavity (8) is arranged on the periphery of the cavity (7), connecting grooves (9) are arranged at both ends of the top of the lower die (2), cylinders (10) are fixedly connected to the insides of the connecting grooves (9), the output ends of the cylinders (10) are fixedly connected to the bottoms of the connecting columns (6), a heating device (11) is arranged below the connecting cavity (8), the heating device (11) is embedded in the lower die (2), overflow pipes (12) are arranged on both sides of the cavity (7), and one end of each overflow, connect chamber (8) one side and be equipped with discharging pipe (13), discharging pipe (13) one end extends to the lower mould (2) outside.

2. The injection mold for the automobile armrest plate according to claim 1, characterized in that: heating device (11) include shell body (14), shell body (14) top is established to open structure, just shell body (14) inside is equipped with many electric heating pipe (15), electric heating pipe (15) both ends all link to each other with shell body (14) inner wall is fixed.

3. The injection mold for the automobile armrest plate according to claim 1, characterized in that: the top ends of the periphery of the cavity (7) are provided with exhaust holes (16), and the exhaust holes (16) are communicated with the connecting cavity (8).

4. The injection mold for the automobile armrest plate according to claim 1, characterized in that: feed channel (5) one end all establishes to open structure, just feed channel (5) all communicates with inlet pipe (4).

5. The injection mold for the automobile armrest plate according to claim 1, characterized in that: the connecting columns (6) are all arranged into cylindrical structures, and the connecting columns (6) are all connected with the inner walls of the connecting grooves (9) in a sliding mode.

6. The injection mold for the automobile armrest plate according to claim 1, characterized in that: the pressing block (3) is matched with the cavity (7) in shape, and the bottom of the pressing block (3) is coated with an anti-sticking coating (17).

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