CN111497150A

CN111497150A - Injection mold for automotive interior parts

Info

Publication number: CN111497150A
Application number: CN202010525284.1A
Authority: CN
Inventors: 张中海
Original assignee: 张中海
Current assignee: Zhejiang Shuohao Science and Technology Co.,Ltd.
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2020-08-07
Anticipated expiration: 2040-06-10
Also published as: CN111497150B

Abstract

The invention discloses an injection mold for automotive upholstery, which comprises an installation base, wherein a mounting frame is installed at the upper end of the installation base, the mounting frame is in an inverted U shape, an electric push rod is installed at the upper end of the mounting frame, a lower mold body is embedded at the upper end of the installation base, an upper mold body matched with the lower mold body is arranged above the installation base, the telescopic end of the electric push rod penetrates through the mounting frame and is fixedly connected with the upper end of the upper mold body, two sliding grooves are symmetrically formed in the upper end of the installation base, a guide mechanism used for guiding the upper mold body is jointly arranged in the two sliding grooves, an injection molding opening used for injection molding is formed in the upper end of the upper mold body, two transverse grooves are symmetrically formed in the installation base, and the two transverse grooves are. The injection mold combines buffering and heat dissipation, has an extremely ingenious structure, does not need a high-power heat dissipation electric appliance, and saves energy loss.

Description

Injection mold for automotive interior parts

Technical Field

The invention relates to the field of processing of automotive interior parts, in particular to an injection mold for automotive interior parts.

Background

Automotive interior mainly refers to the automotive product that interior refitting of automobile used, involves the square face of automobile interior, and some interior trim parts of car need use injection mold to carry out the production of moulding plastics in the processing, to present automotive interior trim part injection mold, have following problem:

in order to realize the rapid cooling of an injection molding material, a heat dissipation mechanism is generally added to the injection mold, and generally adopts water cooling heat dissipation or air cooling heat dissipation, while in the use process of the injection mold, an upper mold is required to be pressed onto a lower mold, and in order to avoid the possibility of damage to a mold body caused by the overlarge collision amplitude of the upper mold and the lower mold, a plurality of buffer parts are generally arranged, so how to combine the buffer parts with the heat dissipation of the mold is a problem which needs to be considered.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides the injection mold for the automotive upholstery, which combines buffering and heat dissipation, has an extremely ingenious structure, does not need a high-power heat dissipation electric appliance, and saves energy loss.

In order to achieve the purpose, the invention adopts the following technical scheme:

an injection mold for automotive upholstery comprises a mounting base, wherein the upper end of the mounting base is provided with a mounting frame, the mounting rack is in an inverted U shape, an electric push rod is installed at the upper end of the mounting rack, a lower die body is embedded at the upper end of the mounting base, an upper die body matched with the lower die body is arranged above the mounting base, the telescopic end of the electric push rod penetrates through the mounting frame and is fixedly connected with the upper end of the upper die body, the upper end of the mounting base is symmetrically provided with two sliding chutes, the two sliding chutes are internally and jointly provided with a guide mechanism for guiding the upper die body, the upper end of the upper die body is provided with an injection molding opening for injection molding, two transverse grooves are symmetrically arranged in the mounting base and are respectively communicated with the two sliding grooves, and the two transverse grooves are internally provided with a pressure accumulation mechanism, and the mounting base is internally provided with a heat dissipation mechanism which is matched with the livestock pressure mechanism.

Preferably, a plurality of supporting blocks are installed at the lower end of the installation base, and anti-skid pads are installed at the lower ends of the supporting blocks.

Preferably, guiding mechanism includes symmetry fixed connection at last die body both sides mounting panel, two the equal fixedly connected with connecting rod of lower extreme of mounting panel, two the one end that the mounting panel was kept away from to the connecting rod extends to two spouts respectively in to two piston blocks of fixedly connected with.

Preferably, the pressure accumulation mechanism comprises a piston plate arranged in the transverse groove, and one side of the piston plate, which is far away from the sliding groove, is elastically connected with the inner wall of one side of the transverse groove through a connecting spring.

Preferably, two the lateral grooves are far away from the inner wall of one side of the piston plate and are provided with ventilation openings for ventilation.

Preferably, the heat dissipation mechanism comprises a heat dissipation cavity arranged in the mounting base, the lower end of the heat dissipation cavity is communicated with the outside through a main air duct, the upper end of the heat dissipation cavity is communicated with the outside through a plurality of ventilation air ducts, the ventilation air ducts are all located on the outer side of the lower die body, the main air duct is communicated with the two sliding grooves through inclined pipes, and electric valves are arranged on the two inclined pipes.

Compared with the prior art, the invention has the beneficial effects that:

1. in the in-process that uses, when the mould is moulded plastics to needs carrying out, start electric putter earlier and make and go up the die body and laminate mutually with lower die body, at the in-process of this laminating, two mounting panels can drive two connecting rods and move down, the removal of two connecting rods can make two piston blocks move down, and the in-process that two piston blocks moved down, can make the spout be located the gas in piston block below space by the compression, and when gas by the compression, two piston plates all can be kept away from the sliding tray and remove by the pneumatics effect, two connecting spring at this moment all are in the state of compression, along with atmospheric pressure in the spout is bigger and bigger, it can receive an ascending power to go up the die body and move down, produce great collision when avoiding going up the die body and contacting with lower die body, play the effect of a buffering, the setting of connecting rod and piston block simultaneously, also be equivalent.

2. When the upper die body is contacted with the lower die body, injection molding materials are injected into a die cavity formed between the upper die body and the lower die body through an injection molding opening, after the injection molding materials are placed, two electric valves are opened, high-pressure gas in two chutes enters a main air duct through two inclined pipes, the high-pressure gas is sprayed downwards along the main air duct due to the inclined pipes which are arranged downwards in an inclined mode, namely the lower half portion of the main air duct has higher air flow rate, the flow rate and the pressure of the gas are large and small according to Bernoulli's principle, so that the gas pressure in the space above the mounting base is higher than the lower half portion of the main air duct, an air flow above the mounting base → the ventilation air duct → the heat dissipation cavity → the main air duct is generated, and finally the air flow is sprayed out along with the high-pressure air flow from the lower end of the main air duct, the air flow above the mounting base → the ventilation air duct → the, and this in-process will cushion and dispel the heat looks structure, energy storage then fast heat dissipation when having realized the buffering, and the structure is ingenious, has reduced the loss of electric energy simultaneously.

Drawings

Fig. 1 is a schematic structural view of an injection mold for automotive upholstery according to the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of the present invention;

FIG. 3 is an enlarged view of FIG. 1 at B.

In the figure: the device comprises an installation base 1, a lower die body 2, a piston block 3, a connecting rod 4, an installation frame 5, an electric push rod 6, an upper die body 7, an injection molding opening 8, a ventilation air duct 9, a heat dissipation cavity 10, a main air duct 11, an inclined tube 12, an electric valve 13, a piston plate 14, a connecting spring 15, a transverse groove 16, an installation plate 17 and a sliding groove 18.

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.

Referring to fig. 1-3, an injection mold for automotive interiors comprises an installation base 1, wherein an installation frame 5 is installed at the upper end of the installation base 1, the installation frame 5 is in an inverted U shape, an electric push rod 6 is installed at the upper end of the installation frame 5, a lower mold body 2 is embedded at the upper end of the installation base 1, an upper mold body 7 matched with the lower mold body 2 is arranged above the installation base 1, the telescopic end of the electric push rod 6 penetrates through the installation frame 5 and is fixedly connected with the upper end of the upper mold body 7, two sliding grooves 18 are symmetrically arranged at the upper end of the installation base 1, a guide mechanism for guiding the upper mold body 7 is jointly arranged in the two sliding grooves 18, an injection port 8 for injection molding is arranged at the upper end of the upper mold body 7, two transverse grooves 16 are symmetrically arranged in the installation base 1, the two transverse grooves 16 are respectively communicated with the two sliding grooves 18 and are positioned at opposite, a heat dissipation mechanism matched with the livestock pressing mechanism is arranged in the mounting base 1.

Wherein, a plurality of supporting shoes are installed to the lower extreme of installation base 1, and the slipmat is all installed to the lower extreme of a plurality of supporting shoes, guarantees that the in-process mould body of operation is comparatively stable.

Wherein, guiding mechanism includes symmetry fixed connection at last die body 7 both sides mounting panel 17, the equal fixedly connected with connecting rod 4 of lower extreme of two mounting panels 17, and the one end that mounting panel 17 was kept away from to two connecting rods 4 extends to respectively in two spouts 18 to two piston blocks 3 of fixedly connected with.

Wherein, pressure accumulation mechanism includes the piston plate 14 who sets up in horizontal groove 16, and piston plate 14 keeps away from one side of spout 18 and passes through connecting spring 15 and the elastic connection of one side inner wall of horizontal groove 16.

Wherein, the vent that is used for ventilating is all seted up to two horizontal grooves 16 one side inner wall of keeping away from piston plate 14, guarantees that horizontal groove 16 keeps away from the atmospheric pressure stability in the space of piston plate 14 one side.

The heat dissipation mechanism comprises a heat dissipation cavity 10 arranged in the mounting base 1, the lower end of the heat dissipation cavity 10 is communicated with the outside through a main air duct 11, the upper end of the heat dissipation cavity 10 is communicated with the outside through a plurality of ventilation air ducts 9, the ventilation air ducts 9 are all located on the outer side of the lower die body 2, the main air duct 11 is communicated with two sliding grooves 18 through two inclined pipes 12, and electric valves 13 are mounted on the two inclined pipes 12.

The injection molding method of the injection mold for the automotive interior parts comprises the following steps:

when the injection molding of the mold needs to be carried out, the electric push rod 6 is started firstly to enable the upper mold body 7 to be attached to the lower mold body 2, in the attaching process, the two mounting plates 17 can drive the two connecting rods 4 to move downwards, the two piston blocks 3 can move downwards due to the downward movement of the two connecting rods 4, in the downward movement process of the two piston blocks 3, the gas in the space below the piston blocks 3 in the sliding groove 18 can be compressed, when the gas is compressed, the two piston plates 14 can move away from the sliding groove 18 under the action of the gas pressure, and at the moment, the two connecting springs 15 are in a compressed state;

along with the increasing of the air pressure in the sliding groove 18, the upper die body 7 moves downwards to be subjected to an upward force, so that the upper die body 7 is prevented from being greatly collided when being contacted with the lower die body 2, a buffering effect is achieved, and meanwhile, the arrangement of the connecting rod 4 and the piston block 3 is equivalent to a guiding effect;

when the upper die body 7 contacts the lower die body 2, an injection molding material is injected into a die cavity formed between the upper die body 7 and the lower die body 2 through an injection molding opening 8, after the injection molding material is placed, two electric valves 13 are opened, high-pressure gas in two sliding grooves 18 enters a main air duct 11 through two inclined pipes 12, the high-pressure gas is sprayed downwards along the main air duct 11 due to the inclined pipes 12 which are arranged downwards in an inclined mode, namely the air flow rate of the lower half portion of the main air duct 11 is high, the air flow rate and the pressure of the air are high according to Bernoulli principle, so that the air pressure in the space above the mounting base 1 is higher than that of the lower half portion of the main air duct 11, and air flow of the space above the mounting base 1 → the air duct 9 → the heat dissipation cavity 10 → the main air duct 11 is generated, and finally the air flow is sprayed out from the lower end of the main air duct 11 along with the high-pressure air flow, and the space above the mounting base 1 → the air The buffer and heat dissipation phase structure is adopted in the process, energy storage and then quick heat dissipation are realized while buffering is realized, the structure is ingenious, and the loss of electric energy is reduced;

it should be noted that, during the releasing process of the high-pressure air flow, under the elastic action of the connecting spring 15, the two piston plates 14 will move close to the sliding slot 18, further increasing the speed of the high-pressure air ejected from the inclined tube 12, so as to achieve better heat dissipation effect.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an automotive interior spare injection mold which characterized in that includes:

the injection molding device comprises an installation base (1), wherein a mounting frame (5) is installed at the upper end of the installation base (1), the mounting frame (5) is of an inverted U shape, an electric push rod (6) is installed at the upper end of the mounting frame (5), a lower die body (2) is embedded at the upper end of the installation base (1), an upper die body (7) matched with the lower die body (2) is arranged above the installation base (1), the telescopic end of the electric push rod (6) penetrates through the mounting frame (5) and is fixedly connected with the upper end of the upper die body (7), two sliding grooves (18) are symmetrically arranged at the upper end of the installation base (1), a guide mechanism for guiding the upper die body (7) is jointly arranged in the two sliding grooves (18), an injection molding opening (8) for injection molding is formed in the upper end of the upper die body (7), two transverse grooves (16) are symmetrically arranged in the installation, the two transverse grooves (16) are respectively communicated with the two sliding grooves (18) and are positioned on the opposite sides of the two sliding grooves (18), pressure accumulation mechanisms are arranged in the two transverse grooves (16), and heat dissipation mechanisms matched with the livestock pressure mechanisms are arranged in the mounting base (1).

2. The injection mold for automotive interiors according to claim 1, wherein a plurality of support blocks are installed at the lower end of the installation base (1), and non-slip mats are installed at the lower ends of the support blocks.

3. The injection mold for the automotive interior trim part, according to claim 1, is characterized in that the guide mechanism comprises two mounting plates (17) symmetrically and fixedly connected to both sides of the upper mold body (7), the lower ends of the two mounting plates (17) are fixedly connected with the connecting rods (4), and the ends of the two connecting rods (4) far away from the mounting plates (17) respectively extend into the two sliding grooves (18) and are fixedly connected with the two piston blocks (3).

4. The injection mold for automotive upholstery according to claim 1, wherein the pressure accumulating mechanism comprises a piston plate (14) disposed in the transverse groove (16), and one side of the piston plate (14) away from the sliding groove (18) is elastically connected to an inner wall of one side of the transverse groove (16) through a connecting spring (15).

5. The injection mold for the automotive interior trim part, according to claim 4, is characterized in that ventilation openings are formed in the inner walls of the two lateral grooves (16) on the sides away from the piston plate (14) for ventilation.

6. The injection mold for the automotive interior trim part, according to claim 1, characterized in that the heat dissipation mechanism comprises a heat dissipation cavity (10) disposed in the mounting base (1), the lower end of the heat dissipation cavity (10) is communicated with the outside through a main air duct (11), the upper end of the heat dissipation cavity (10) is communicated with the outside through a plurality of ventilation air ducts (9), the ventilation air ducts (9) are all located at the outer side of the lower mold body (2), the main air duct (11) is communicated with two sliding grooves (18) through a connecting inclined tube (12), and an electric valve (13) is mounted on each of the two inclined tubes (12).