CN216267548U

CN216267548U - Car tuber pipe blowing mould that punches a hole

Info

Publication number: CN216267548U
Application number: CN202122600950.6U
Authority: CN
Inventors: 刘海东
Original assignee: Hebei Chongao Auto Parts Co ltd
Current assignee: Hebei Chongao Auto Parts Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-12
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses a punching and blow-molding die for an automobile air duct, and belongs to the technical field of blow-molding dies. The die comprises an upper die and a lower die which are matched with each other, a cavity for forming a workpiece is arranged on the opposite side surfaces of the upper die and the lower die, and a positioning structure for closing the die is arranged between the upper die and the lower die; the lower die is provided with a mounting groove, the mounting groove is communicated with the die cavity, a forming block for forming a hole in a workpiece is arranged in the mounting groove, one end of the forming block is connected with the telescopic element, and a guide structure which has a guide effect on the sliding of the forming block in the mounting groove is arranged on the side wall of the mounting groove; a material discharging structure is arranged between the upper die and the lower die and is communicated with the cavity; an air blowing groove is formed in the upper die, an air needle arranged on the lower die is located in the air blowing groove, and the air needle is communicated with the cavity. According to the automobile air duct punching and blowing mold with the structure, the air duct is punched and molded in the air duct blowing molding process, and the problems of low air duct production efficiency and difficulty in machining special holes can be solved.

Description

Car tuber pipe blowing mould that punches a hole

Technical Field

The utility model relates to the technical field of blow molding dies, in particular to an automobile air duct punching and blow molding die.

Background

It is necessary to machine holes in the ventilation ducts of the motor vehicle for connection to the ventilation system of the motor vehicle. The existing automobile ventilation duct is prepared by blow molding, and after blow molding, a product is taken out and then punched by a punching machine. The air pipe after being formed is punched, so that on one hand, the processing procedure is increased, and the production efficiency is influenced; on the other hand, the deformation of the formed air duct can be caused, and the quality and the precision of the air duct are influenced. In addition, some special holes on the air pipe cannot be punched independently, and the special holes are difficult to process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a punching and blowing mold for an automobile air duct, which is used for punching and molding the air duct in the air duct blowing molding process and solves the problems of low air duct production efficiency and difficult special hole processing.

In order to achieve the purpose, the utility model provides an automobile air duct punching and blow molding die which comprises an upper die and a lower die which are matched with each other, wherein cavities for forming workpieces are arranged on opposite side surfaces of the upper die and the lower die, and a die closing positioning structure is arranged between the upper die and the lower die; the lower die is provided with a mounting groove, the mounting groove is communicated with the die cavity, a forming block for forming a hole in a workpiece is arranged in the mounting groove, one end of the forming block is connected with the telescopic element, and a guide structure which has a guide effect on the sliding of the forming block in the mounting groove is arranged on the side wall of the mounting groove; a material discharging structure is arranged between the upper die and the lower die and is communicated with the cavity; an air blowing groove is formed in the upper die, an air needle arranged on the lower die is located in the air blowing groove, and the air needle is communicated with the cavity.

Preferably, the positioning structure comprises a positioning block, the positioning block is arranged at the corner of the lower die, and the upper die is provided with a positioning groove matched with the positioning block; and the upper die and the lower die are positioned and assembled through the positioning block and the positioning groove.

Preferably, the side wall of the positioning block is provided with a limiting groove, the side wall of the positioning groove is provided with a limiting column matched with the limiting groove, and the limiting column is located in the limiting groove to limit the upper die and the lower die.

Preferably, the telescopic element is a cylinder, the cylinder is fixedly arranged on the lower die, and a telescopic rod of the cylinder is fixedly connected with the forming block.

Preferably, guide structure is including setting up the installation piece on the mounting groove lateral wall, rotates on the installation piece and is provided with the ball, is provided with the spout with ball looks adaptation on the lateral wall of shaping piece, and the ball is located the spout and rolls sliding connection with the spout.

Preferably, arrange the material structure and include the row's material guide block that slopes to set up under the mould, arrange the row's material groove that is provided with on the material guide block and communicates with the die cavity, go up and be provided with on the mould and arrange the row's material guide way with row material guide block looks adaptation, arrange the material guide block and be located row material guide way, arrange the row's material lug that is provided with in the material guide way and arrange material groove looks adaptation, arrange the material lug and be located row material inslot.

According to the automobile air duct punching and blowing mold, the forming block is arranged on the lower mold and connected with the air cylinder, and the air cylinder drives the forming block to move, so that a workpiece is punched, hole machining is completed in the workpiece forming process, and the working efficiency is improved; and the online processing of the special holes can be realized, and the problem of difficulty in processing the special holes is solved. Be provided with the ball in the mounting groove, the ball has the effect of direction to the shaping piece to can reduce the frictional force of shaping piece and lower mould, be favorable to improving the pore-forming quality. The obliquely arranged discharging guide groove is favorable for improving the forming quality of the workpiece.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a punching and blow-molding mold for an automotive air duct according to the present invention;

FIG. 2 is a schematic view of a lower die top view structure of an embodiment of the punching and blow-molding die for the automobile air duct, according to the present invention;

FIG. 3 is a schematic view of a lower mold in a three-dimensional structure according to an embodiment of the present invention;

FIG. 4 is a schematic perspective view of an upper mold of an embodiment of a punching and blow-molding mold for an automotive air duct according to the present invention;

fig. 5 is a schematic view of a guiding structure of an embodiment of the punching and blow-molding die for the automobile air duct.

Reference numerals

1. An upper die; 2. a lower die; 3. a cylinder; 4. forming a block; 5. a discharge guide block; 6. a discharge chute; 7. a discharge guide groove; 8. arranging the bumps; 9. air needle; 10. an air blowing groove; 11. positioning blocks; 12. a limiting groove; 13. positioning a groove; 14. a limiting column; 15. mounting grooves; 16. a workpiece; 17. mounting blocks; 18. a ball bearing; 19. a chute.

Detailed Description

The technical solution of the present invention is further illustrated by the accompanying drawings and examples.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Examples

Fig. 1 is a schematic structural diagram of an embodiment of an automobile air duct punching and blowing mold, fig. 2 is a schematic structural diagram of a lower mold of an embodiment of an automobile air duct punching and blowing mold, fig. 3 is a schematic structural diagram of a lower mold of an embodiment of an automobile air duct punching and blowing mold, fig. 4 is a schematic structural diagram of an upper mold of an embodiment of an automobile air duct punching and blowing mold, and fig. 5 is a schematic structural diagram of a guide of an embodiment of an automobile air duct punching and blowing mold. As shown in the figure, the punching and blow-molding die for the automobile air duct comprises an upper die 1 and a lower die 2 which are matched with each other, wherein a cavity for forming a workpiece 16 is formed in the opposite side surfaces of the upper die 1 and the lower die 2. And a positioning structure for die assembly is arranged between the upper die 1 and the lower die 2. The positioning structure comprises a positioning block 11, and the positioning block 11 is arranged at the corner of the lower die 2. The positioning block 11 and the lower die 2 are of an integral structure. The upper die 1 is provided with a positioning groove 13 matched with the positioning block 11. When the die is closed, the positioning block 11 is inserted into the positioning groove 13, so that the positioning and die closing between the upper die 1 and the lower die 2 are realized. The side wall of the positioning block 11 is provided with a limiting groove 12, and the cross section of the limiting groove 12 is an arc-shaped groove. The side wall of the positioning groove 13 is provided with a limiting column 14 matched with the limiting groove 12, and the limiting column 14 is located in the limiting groove 12 to limit the upper die 1 and the lower die 2. The arrangement of the limiting columns 14 and the limiting grooves 12 improves the mold closing quality of the upper mold 1 and the lower mold 2, and is beneficial to improving the quality of air pipe blow molding.

The lower die 2 is provided with a mounting groove 15, and the mounting groove 15 is communicated with the die cavity. The mounting groove 15 is provided with a forming block 4 for forming a hole in the workpiece 16, and one end of the forming block 4 is connected with the telescopic element. The telescopic element is a cylinder 3, the cylinder 3 is fixedly arranged on the lower die 2, and a telescopic rod of the cylinder 3 is fixedly connected with the forming block 4. The forming block 4 extends into the cavity under the action of the cylinder 3 to punch a hole on the workpiece 16 in the cavity, so that the online punching operation of the workpiece 16 is completed, the production procedures of the workpiece 16 are reduced, and the production efficiency is improved. And the special holes can be machined on line, so that the problem of difficulty in machining the special holes is solved. And the punched material falls into the air pipe, the air pipe is taken out of the die after being processed, and the punched material is taken out of the air pipe through the subsequent trimming process.

The side wall of the mounting groove 15 is provided with a guiding structure which has a guiding function for guiding the molding block 4 to slide in the mounting groove 15. Guide structure is including setting up the installation piece 17 on the lateral wall of mounting groove 15, has seted up flutedly on the lateral wall of mounting groove 15, and installation piece 17 is fixed to be set up in the recess, and the surface of installation piece 17 and the lateral wall parallel and level of mounting groove 15. Be provided with the mounting hole on the installation piece 17, the one end that the mounting hole is close to shaping piece 4 is provided with the trompil, and ball 18 is located the mounting hole and stretches out from the trompil, and the aperture of trompil is less than ball 18's diameter, avoids ball 18 landing from the mounting hole, and ball 18 is in the rotation of mounting hole freedom. The mounting of the balls 18 on the mounting plate is by conventional means such as ball 18 rests or eyelets. The side wall of the forming block 4 is provided with a sliding groove 19 matched with the ball 18, and the ball 18 is positioned in the sliding groove 19 and is connected with the sliding groove 19 in a rolling and sliding manner. The arrangement of the balls 18 not only has a good guiding effect on the forming block 4 but also can reduce the friction between the forming block 4 and the mounting groove 15, avoid the movement of the forming block 4 and reduce the abrasion of the forming block 4.

A material discharging structure is arranged between the upper die 1 and the lower die 2 and communicated with the die cavity, and the material discharging structure is positioned at the corner of the workpiece 16. Arrange the material structure and include the row material guide block 5 that slopes to set up on lower mould 2, arrange that the one end that material guide block 5 is close to the die cavity is lower, and the other end is higher. The discharging guide block 5 and the lower die 2 are integrated. The discharging guide block 5 is provided with a discharging groove 6 communicated with the cavity, and the discharging groove 6 is arranged along the upper surface of the discharging guide block 5. The upper die 1 is provided with a discharging guide groove 7 matched with the discharging guide block 5, and the discharging guide block 5 is positioned in the discharging guide groove 7. The discharging guide groove 7 is internally provided with a discharging lug 8 matched with the discharging groove 6, and the discharging lug 8 is positioned in the discharging groove 6. After the upper die 1 and the lower die 2 are assembled, the discharging lug 8 is positioned in the discharging groove 6, the discharging guide block 5 is positioned in the discharging guide groove 7, and redundant materials enter the discharging lug 8 and the discharging groove 6 in the forming process. The obliquely arranged discharging guide block 5 can prevent materials from easily entering the discharging groove 6, prevent excessive materials from entering the discharging groove 6 and improve the forming quality of the workpiece 16.

An air blowing groove 10 is formed in the upper die 1, an air needle 9 arranged on the lower die 2 is located in the air blowing groove 10, and the air needle 9 is communicated with the cavity. The gas is blown into the cavity through the gas needle 9, thereby blow molding the material in the cavity. The gas blow groove 10 is located at one end of the workpiece 16.

When the mould is used, firstly, a blank is placed into the cavity, the upper mould 1 and the lower mould 2 are matched, and the blank is blown through the air needle 9 so that the blank is formed in the cavity; the cylinder 3 drives the forming block 4 to move, the forming block 4 punches a hole in the workpiece 16 in the cavity, and the punched material is left in the inner cavity of the workpiece 16; after punching is finished, the cylinder 3 drives the forming block 4 to move outwards, and the forming block 4 is pulled out of the workpiece 16; opening the mold and taking out the product; the workpiece 16 is trimmed by a subsequent process, and waste materials in the inner cavity of the workpiece 16 are taken out from the cut.

Therefore, the automobile air duct punching and blowing mold adopting the structure can perform punching molding on the air duct in the air duct blowing molding process, and can solve the problems of low air duct production efficiency and difficult special hole processing.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the utility model without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an automobile air duct blowing mould that punches a hole which characterized in that: the die comprises an upper die and a lower die which are matched with each other, wherein a cavity for forming a workpiece is arranged on the opposite side surfaces of the upper die and the lower die, and a positioning structure for die assembly is arranged between the upper die and the lower die; the lower die is provided with a mounting groove, the mounting groove is communicated with the die cavity, a forming block for forming a hole in a workpiece is arranged in the mounting groove, one end of the forming block is connected with the telescopic element, and a guide structure which has a guide effect on the sliding of the forming block in the mounting groove is arranged on the side wall of the mounting groove; a material discharging structure is arranged between the upper die and the lower die and is communicated with the cavity; an air blowing groove is formed in the upper die, an air needle arranged on the lower die is located in the air blowing groove, and the air needle is communicated with the cavity.

2. The automotive air duct punching and blow-molding die as claimed in claim 1, wherein: the positioning structure comprises a positioning block, the positioning block is arranged at the corner of the lower die, and the upper die is provided with a positioning groove matched with the positioning block; and the upper die and the lower die are positioned and assembled through the positioning block and the positioning groove.

3. The automotive air duct punching and blow-molding die as claimed in claim 2, wherein: the side wall of the positioning block is provided with a limiting groove, the side wall of the positioning groove is provided with a limiting column matched with the limiting groove, and the limiting column is located in the limiting groove to limit the upper die and the lower die.

4. The automotive air duct punching and blow-molding die as claimed in claim 1, wherein: the telescopic element is a cylinder, the cylinder is fixedly arranged on the lower die, and a telescopic rod of the cylinder is fixedly connected with the forming block.

5. The automotive air duct punching and blow-molding die as claimed in claim 1, wherein: the guide structure is provided with the ball including setting up the installation piece on the mounting groove lateral wall, rotates on the installation piece, is provided with the spout with ball looks adaptation on the lateral wall of shaping piece, the ball be located the spout and with spout roll sliding connection.

6. The automotive air duct punching and blow-molding die as claimed in claim 1, wherein: arrange the material structure and include the row's material guide block that slopes to set up under the mould, arrange the row's material groove that is provided with on the material guide block and communicates with the die cavity, go up and be provided with on the mould and arrange the row's material guide way of material guide block looks adaptation, arrange the material guide block and be located row material guide way, arrange the material guide inslot be provided with arrange the row's material lug of material groove looks adaptation, arrange the material lug and be located row material inslot.