CN214926634U

CN214926634U - Forming mechanism for double-gas auxiliary channel of truck door handle

Info

Publication number: CN214926634U
Application number: CN202121257278.9U
Authority: CN
Inventors: 解长鑫; 郑海艳; 赵云峰; 唐大伟; 张启龙; 曹添君
Original assignee: Changchun Huofu Automobile Lock Co ltd
Current assignee: Changchun Huofu Automobile Lock Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-11-30
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a card door handle double-gas assists passageway forming mechanism relates to gas and assists forming die technical field, and to current truck door handle in process of production, because when melting plastics filled up the die cavity, nitrogen gas pours into and can't reach anticipated effect, leads to the problem of handle buckling deformation, the scheme is put forward now, and it includes first box and second box, the one end fixed mounting who keeps away from the second box of first box has the box body, the inner wall fixed mounting of first box has the fixed block, fixed mounting has first pneumatic cylinder in the box body, the piston rod and the fixed block of first pneumatic cylinder are sliding connection setting, slidable mounting has the sliding plate in the first box. The utility model discloses novel structure has solved current truck doorknob in process of production, because when melting plastics filled up the die cavity, nitrogen gas pours into and can't reach anticipated effect, leads to the problem of handle buckling deformation, suitable popularization.

Description

Forming mechanism for double-gas auxiliary channel of truck door handle

Technical Field

The utility model relates to a forming die technical field is assisted to gas, especially relates to a two gas of card door handle are assisted passageway forming mechanism.

Background

When the automobile door handle is subjected to injection molding, in order to form a cavity inside the injection molded door handle and save raw materials, and in order to make up for the problem that the door handle forms a sink mark during injection molding, the existing injection mold generally adopts a gas-assisted molding mold, and gas is used for assisting injection molding during injection molding.

The production process aims at solving the problem that in the production process of the existing truck door handle, when the cavity is filled with molten plastic, the nitrogen injection cannot achieve the expected effect, so that the handle is warped and deformed. Therefore, in order to solve the problems, a forming mechanism of a double-air auxiliary channel of the truck door handle is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a card door handle two gas assist channel forming mechanism has solved current truck door handle in process of production, because when melting plastics filled up the die cavity, nitrogen gas pours into and can't reach anticipated effect, leads to the problem of handle buckling deformation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a double-air-assisted channel forming mechanism for a truck door handle comprises a first box body and a second box body, wherein a box body is fixedly installed at one end, far away from the second box body, of the first box body, a fixed block is fixedly installed on the inner wall of the first box body, a first hydraulic cylinder is fixedly installed in the box body, a piston rod of the first hydraulic cylinder is arranged in a sliding connection mode with the fixed block, a sliding plate is installed in the first box body in a sliding mode and fixedly connected with the piston rod of the first hydraulic cylinder, and a first cavity block is fixedly installed at one side, far away from the first hydraulic cylinder, of the sliding plate;

the inner wall fixed mounting of second box has the fixed plate, the tip fixed mounting of second box has the backup pad, the mechanism of moulding plastics is installed on the top of fixed plate, just the mechanism of moulding plastics includes the second pneumatic cylinder and moulds plastics the pipe, the top fixed mounting of fixed plate has the second pneumatic cylinder, fixed mounting has the pipe of moulding plastics between fixed plate and the second box, the piston of the pipe of moulding plastics and second pneumatic cylinder cup joints, it is the T style of calligraphy setting to mould plastics the pipe, it is the break-over setting with the backup pad to mould plastics the pipe, install notes nitrogen mechanism in the second box, the one end fixed mounting that the fixed plate was kept away from to the backup pad has the second die cavity piece, the second die cavity piece is the intercommunication setting with the pipe of moulding plastics.

Preferably, the box body is communicated with the first box body.

Preferably, a plurality of ball grooves distributed in an array are formed in the inner wall of the first box body, and a plurality of balls are arranged in the ball grooves.

Preferably, a plurality of positioning columns arranged in an array are fixedly mounted at the end part of the second box body, a plurality of positioning holes arranged in an array are formed at the end part of the first box body, and the positioning holes are matched with the positioning columns.

Preferably, annotate nitrogen mechanism and include the third pneumatic cylinder, annotate nitrogen pipe and tubule, the bottom fixed mounting of second box has the third pneumatic cylinder, the bottom fixed mounting of second box has notes nitrogen pipe, annotate the piston rod of nitrogen pipe and third pneumatic cylinder and cup joint, the one end of keeping away from the third pneumatic cylinder of annotating the nitrogen pipe is connected with two tubules, the tubule is the intercommunication setting with annotating the nitrogen pipe.

Preferably, the tubule is the break-through setting with the backup pad, two tubule tip is located the both ends of second die cavity piece respectively.

Preferably, two symmetrically-arranged ejection needles are fixedly mounted at one end of the fixed block close to the sliding plate.

The utility model has the advantages that:

1. through the linkage installation to the mechanism of moulding plastics and annotating nitrogen mechanism, be provided with the communication setting between second pneumatic cylinder and the third pneumatic cylinder, after the second pneumatic cylinder pours into the die cavity into molten plastic into, hydraulic pressure increase in the third pneumatic cylinder when the hydraulic pressure in the second pneumatic cylinder reduces a little is realized to the passing signal, and the nitrogen gas that will annotate in the nitrogen pipe gets into the die cavity from the both ends of two tubules follow second die cavity blocks respectively, and nitrogen gas forms the stable air flue more easily, has improved door handle shaping effect.

2. Through the installation to the ball groove, the ball in the ball groove makes the sliding plate slide more smoothly in first box, has reduced drawing of patterns sliding friction power, has improved this forming mechanism's drawing of patterns efficiency.

To sum up, the utility model discloses not only improved door handle shaping effect, and improved this forming mechanism's drawing of patterns efficiency, solved current truck door handle in process of production, because when melting plastics filled up the die cavity, nitrogen gas injection can't reach anticipated effect, leads to the problem of handle buckling deformation, suitable popularization.

Drawings

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

FIG. 2 is a view showing the structure of the installation of the sliding plate and the first casing according to the present invention;

fig. 3 is a mounting structure diagram of the injection molding mechanism of the present invention.

Reference numbers in the figures: 1. a first case; 2. a second case; 3. a box body; 4. a fixed block; 5. a ball groove; 6. a first hydraulic cylinder; 7. a sliding plate; 8. a first cavity block; 9. a fixing plate; 10. a support plate; 11. a second hydraulic cylinder; 12. injection molding a tube; 13. a third hydraulic cylinder; 14. injecting nitrogen into the tube; 15. a thin tube; 16. a positioning column; 17. positioning holes; 18. a second cavity block; 19. and ejecting the needle.

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.

Referring to fig. 1-2, a forming mechanism for a dual-air-assisted channel of a truck door handle comprises a first box body 1 and a second box body 2, wherein a box body 3 is fixedly installed at one end of the first box body 1 far away from the second box body 2, the box body 3 is communicated with the first box body 1, a fixed block 4 is fixedly installed on the inner wall of the first box body 1, a plurality of ball grooves 5 distributed in an array form are formed in the inner wall of the first box body 1, a plurality of balls are arranged in the ball grooves 5, a first hydraulic cylinder 6 is fixedly installed in the box body 3, a piston rod of the first hydraulic cylinder 6 is slidably connected with the fixed block 4, a sliding plate 7 is slidably installed in the first box body 1, the sliding plate 7 is fixedly connected with a piston rod of the first hydraulic cylinder 6, a first cavity block 8 is fixedly installed at one side of the sliding plate 7 far away from the first hydraulic cylinder 6, a fixed plate 9 is fixedly installed on the inner wall of the second box body 2, a support plate 10 is fixedly installed at the end of the second box body 2, the top end of the fixed plate 9 is provided with an injection molding mechanism, the injection molding mechanism comprises a second hydraulic cylinder 11 and an injection molding pipe 12, the top end of the fixed plate 9 is fixedly provided with the second hydraulic cylinder 11, the injection molding pipe 12 is fixedly arranged between the fixed plate 9 and the second box body 2, the injection molding pipe 12 is sleeved with a piston of the second hydraulic cylinder 11, the injection molding pipe 12 is arranged in a T shape, the injection molding pipe 12 is arranged in a penetrating way with the support plate 10, the end part of the second box body 2 is fixedly provided with a plurality of positioning columns 16 which are arranged in an array way, the end part of the first box body 1 is provided with a plurality of positioning holes 17 which are arranged in an array way, the positioning holes 17 are matched with the positioning columns 16, the second box body 2 is internally provided with a nitrogen injection mechanism, one end of the support plate 10 far away from the fixed plate 9 is fixedly provided with a second cavity block 18, the second cavity block 18 is arranged in a communicating way with the injection molding pipe 12, one end of the fixed block 4 near the sliding plate 7 is fixedly provided with two ejector pins 19 which are arranged symmetrically, through the installation to ball groove 5, the ball in ball groove 5 makes sliding plate 7 slide more smoothly in first box 1, has reduced drawing of patterns sliding friction power, has improved this forming mechanism's drawing of patterns efficiency.

Referring to fig. 3, the nitrogen injection mechanism includes a third hydraulic cylinder 13, a nitrogen injection pipe 14 and thin pipes 15, the bottom of the second box 2 is fixedly installed with the third hydraulic cylinder 13, the bottom of the second box 2 is fixedly installed with the nitrogen injection pipe 14, the nitrogen injection pipe 14 is sleeved with a piston rod of the third hydraulic cylinder 13, one end of the nitrogen injection pipe 14 far away from the third hydraulic cylinder 13 is connected with the two thin pipes 15, the thin pipes 15 are communicated with the nitrogen injection pipe 14, the thin pipes 15 and the support plate 10 are arranged in a penetrating manner, the end parts of the two thin pipes 15 are respectively located at two ends of the second cavity block 18, the communication arrangement is arranged between the second hydraulic cylinder 11 and the third hydraulic cylinder 13 by linkage installation of the injection mechanism and the nitrogen injection mechanism, after the second hydraulic cylinder 11 injects the molten plastic into the cavity, the hydraulic pressure in the third hydraulic cylinder 13 is increased while the hydraulic pressure in the second hydraulic cylinder 11 is slightly reduced by signals, the nitrogen in the nitrogen injection pipe 14 enters the cavity from two ends of the second cavity block respectively, nitrogen gas forms stable air passage more easily, has improved the door handle shaping effect.

The working principle is as follows: this card door handle two gas assist passageway forming mechanism, when using, at first flow into injection molding pipe 12 with melting form plastics, increase the hydraulic pressure in the second pneumatic cylinder 11 afterwards, the piston rod extrudes melting plastics between first die cavity piece 8 and the second die cavity piece 18 through injection molding pipe 12, through signal transmission, the hydraulic pressure in the second pneumatic cylinder 11 reduces slightly, meanwhile, the hydraulic pressure in the third pneumatic cylinder 13 increases, nitrogen gas in will annotating the nitrogen pipe 14 gets into the die cavity from the both ends of second die cavity piece 18 respectively from two tubules 15, after the shaping, reduce the hydraulic pressure in the first pneumatic cylinder 6, drive sliding plate 7 and slide to first box 1 is inside, drive the ball roll in the ball groove 5, ejection needle 19 is ejecting the handle after the shaping.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A forming mechanism for a double-air-assisted channel of a truck door handle comprises a first box body (1) and a second box body (2), and is characterized in that one end, far away from the second box body (2), of the first box body (1) is fixedly provided with a box body (3), the inner wall of the first box body (1) is fixedly provided with a fixed block (4), a first hydraulic cylinder (6) is fixedly arranged in the box body (3), a piston rod of the first hydraulic cylinder (6) is arranged in a sliding connection mode with the fixed block (4), a sliding plate (7) is arranged in the first box body (1) in a sliding mode, the sliding plate (7) is fixedly connected with the piston rod of the first hydraulic cylinder (6), and one side, far away from the first hydraulic cylinder (6), of the sliding plate (7) is fixedly provided with a first cavity block (8);

the inner wall fixed mounting of second box (2) has fixed plate (9), the tip fixed mounting of second box (2) has backup pad (10), the mechanism of moulding plastics is installed on the top of fixed plate (9), just the mechanism of moulding plastics includes second hydraulic cylinder (11) and moulds plastics pipe (12), the top fixed mounting of fixed plate (9) has second hydraulic cylinder (11), fixed mounting has between fixed plate (9) and second box (2) and moulds plastics pipe (12), mould plastics pipe (12) and the piston cup joint of second hydraulic cylinder (11), it is T style of calligraphy setting to mould plastics pipe (12), it is the break-through setting to mould plastics pipe (12) and backup pad (10), install in second box (2) and annotate nitrogen mechanism, the one end fixed mounting that fixed plate (9) was kept away from in backup pad (10) has second cavity piece (18), the second cavity block (18) is communicated with the injection molding pipe (12).

2. The forming mechanism of the dual-gas auxiliary channel of the truck door handle as claimed in claim 1, wherein the box body (3) is communicated with the first box body (1).

3. The forming mechanism for the dual-air auxiliary channel of the vehicle door handle according to claim 1, wherein a plurality of ball grooves (5) are formed in the inner wall of the first box body (1) and distributed in an array manner, and a plurality of balls are arranged in the ball grooves (5).

4. The forming mechanism of the dual-air-assisted channel of the truck door handle as claimed in claim 1, wherein a plurality of positioning columns (16) are fixedly installed at the end of the second box body (2), a plurality of positioning holes (17) are formed at the end of the first box body (1), and the positioning holes (17) are matched with the positioning columns (16).

5. A card door handle two-gas auxiliary channel forming mechanism according to claim 1, characterized in that, the nitrogen injection mechanism comprises a third hydraulic cylinder (13), a nitrogen injection pipe (14) and a thin pipe (15), the bottom of the second box body (2) is fixedly provided with the third hydraulic cylinder (13), the bottom of the second box body (2) is fixedly provided with the nitrogen injection pipe (14), the nitrogen injection pipe (14) is sleeved with a piston rod of the third hydraulic cylinder (13), one end of the nitrogen injection pipe (14) far away from the third hydraulic cylinder (13) is connected with the two thin pipes (15), and the thin pipes (15) and the nitrogen injection pipe (14) are communicated.

6. The forming mechanism of the double-air-assisted channel of the vehicle door handle as claimed in claim 5, wherein the thin tube (15) and the support plate (10) are arranged in a penetrating way, and the end parts of the two thin tubes (15) are respectively positioned at the two ends of the second cavity block (18).

7. The forming mechanism of the dual-air auxiliary channel of the truck door handle as claimed in claim 1, wherein two symmetrically arranged ejector pins (19) are fixedly arranged at one end of the fixed block (4) close to the sliding plate (7).