CN217916503U

CN217916503U - Auto-parts injection mold

Info

Publication number: CN217916503U
Application number: CN202221230566.XU
Authority: CN
Inventors: 薛正龙; 虞云华; 薛毓萱
Original assignee: Suzhou Zhiyong Plastic Industry Co ltd
Current assignee: Suzhou Zhiyong Plastic Industry Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-11-29
Anticipated expiration: 2032-05-20

Abstract

The utility model discloses under opened an auto-parts injection mold relates to the injection mold field, and its technical scheme main points are: including upper plate and lower plate, the corresponding position of upper plate and lower plate is provided with die carrier and lower die carrier respectively, the corresponding position of going up die carrier and lower die carrier is provided with mould benevolence and lower mould benevolence respectively, the relative position of going up mould benevolence and lower mould benevolence is provided with die and terrace die respectively, the cooperation forms the die cavity between die and the terrace die, the terminal surface of lower mould benevolence is the arc, the terrace die laminating is on the terminal surface of lower mould benevolence, be provided with vertical groove on the lower mould benevolence, vertical inslot sliding connection has supplementary piece, run through on lower plate and the lower die carrier and be provided with the ejector pin groove with vertical groove intercommunication, ejector pin inslot sliding connection has the drive ejector pin, the one end and the supplementary piece fixed connection of drive ejector pin, still include the side mechanism of taking out. The utility model discloses during the drawing of patterns, the edge side of product is followed respectively to the auxiliary block and the product top is fallen, can not leave the thimble seal at the internal surface of product, is favorable to improving the yields of product.

Description

Auto-parts injection mold

Technical Field

The utility model relates to an injection mold field, more specifically says, it relates to an auto-parts injection mold.

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a processing method used in mass production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.

An automobile accessory is a product that constitutes each unit of an automobile as a whole and serves the automobile. The automobile parts are various in types, the consumption of people to automobiles is more and more along with the improvement of the living standard of people, the market of the automobile parts is also larger and larger, automobile part manufacturers are rapidly developed in recent years, during the manufacturing of the automobile parts, in order to improve the production efficiency, an injection molding method is gradually introduced, particularly, an automobile steering lamp mask is integrally arc-shaped, when an existing mold is used for demolding the automobile steering lamp mask, a plurality of thimbles are usually abutted against the inner surface of the automobile steering lamp mask, and finally the automobile steering lamp mask is jacked away from a cavity to realize the demolding of the automobile steering lamp mask, however, the demolding mode is easy to leave the thimble prints on the inner surface of the steering lamp mask to cause defects.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an auto-parts injection mold can not leave the thimble seal at the internal surface of product, also is difficult for causing the scratch of product internal surface, is favorable to improving the yields of product.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an auto-parts injection mold, includes upper plate and lower plate, the corresponding position of upper plate and lower plate is provided with die carrier and lower die carrier respectively, the corresponding position of upper plate and lower die carrier is provided with mould benevolence and lower mould benevolence respectively, the relative position of going up mould benevolence and lower mould benevolence is provided with die and terrace die respectively, the cooperation forms the die cavity that is used for the product shaping between die and the terrace die, run through on upper plate and the upper die carrier and be provided with the hole groove of pouring with the die cavity intercommunication, the terminal surface of lower mould benevolence is the arc, the laminating of terrace die arc is on the terminal surface of lower mould benevolence, the both sides that lie in the terrace die on the lower mould benevolence are provided with vertical groove respectively, every vertical inslot sliding connection has supplementary piece, the surface of supplementary piece is provided with the radian of the terminal surface adaptation of lower mould benevolence, run through the ejector pin groove that is provided with vertical groove intercommunication on lower plate and the lower die carrier, ejector pin inslot sliding connection has the drive ejector pin, the one end and supplementary piece fixed connection head, the other end fixedly connected with the drive mechanism that is used for carrying out the drawing of patterns to the product on the lower mould carrier.

In one embodiment, the auxiliary blocks are arranged in a plurality along the arc direction of the lower die core.

In one embodiment, the side pulling mechanism comprises a sliding seat fixed on the lower die carrier and a connecting block slidably connected to the sliding seat, an inclined sliding groove is formed in the connecting block 12, a side pulling block is slidably connected to the inclined sliding groove, and the side pulling mechanism further comprises a driving assembly for driving the connecting block to slide so that the side pulling block extends into or retracts out of the cavity.

In one embodiment, the driving assembly comprises an inclined guide post fixed on the upper die frame, an inclined guide groove is formed in the connecting block, and one end, far away from the upper die frame, of the inclined guide post is connected in the inclined guide groove in a sliding mode.

In one embodiment, the inclined sliding groove is a T-shaped inclined sliding groove, a T-shaped part is arranged on the side pulling block, and the T-shaped part is connected in the T-shaped inclined sliding groove in a sliding mode.

To sum up, the utility model discloses following beneficial effect has: during the use, will the utility model discloses install to outside injection molding machine on to be connected the flexible power supply of outside injection molding machine and the drive connector of drive ejector pin, during the drawing of patterns, go up the mould benevolence and leave lower mould benevolence, flexible power supply drives the drive ejector pin and rises, and the edge side that is located the terrace die both sides respectively is followed the product and is pushed down from the terrace die with the product, can not leave thimble seal at the internal surface of product, also is difficult for causing the scratch of product internal surface, is favorable to improving the yields of product.

Drawings

FIG. 1 is a schematic structural diagram of an automotive part injection mold according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of an automotive part injection mold of an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a side pulling mechanism, an auxiliary block and a driving ejector rod in the injection mold for automobile parts according to the embodiment of the application.

In the figure: 1. an upper base plate; 2. feeding a mold frame; 3. a lower die frame; 4. a lower base plate; 5. pouring a hole groove; 6. An upper die core; 7. a lower die core; 71. a male die; 8. an auxiliary block; 9. driving the ejector rod; 10. a side drawing block; 11. A slide base; 12. connecting blocks; 13. an inclined guide post.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

As shown in fig. 1 to 3, the embodiment of the application provides an injection mold for automobile parts, which comprises an upper base plate 1 and a lower base plate 4, corresponding positions of the upper base plate 1 and the lower base plate 4 are respectively provided with an upper mold base 2 and a lower mold base 3, corresponding positions of the upper mold base 2 and the lower mold base 3 are respectively provided with an upper mold core 6 and a lower mold core 7, relative positions of the upper mold core 6 and the lower mold core 7 are respectively provided with a female mold and a male mold 71, a cavity for product molding is formed between the female mold and the male mold 71, and a pouring hole groove 5 communicated with the cavity is arranged on the upper base plate 1 and the upper mold base 2 in a penetrating manner. The end face of the lower die core 7 is arc-shaped, the male die 71 is attached to the end face of the lower die core 7 in an arc shape, longitudinal grooves are formed in the two sides, located on the male die 71, of the lower die core 7 respectively, auxiliary blocks 8 are connected in the longitudinal grooves in a sliding mode, and the surfaces of the auxiliary blocks 8 are provided with radians matched with the end faces of the lower die core 7. The lower base plate 4 and the lower die frame 3 are provided with ejector rod grooves communicated with the longitudinal grooves in a penetrating mode, the ejector rod grooves are connected with driving ejector rods 9 in a sliding mode, and one ends of the driving ejector rods 9 are fixedly connected with the auxiliary blocks 8 and the other ends of the driving ejector rods are fixedly connected with driving connectors. And a side-drawing mechanism for side-drawing and demoulding products is arranged on the lower die carrier 3 positioned on one side of the cavity.

During the use, will the utility model discloses install to outside injection molding machine on to be connected the flexible power supply of outside injection molding machine and the drive connector of drive ejector pin 9, when the product was moulded plastics, supplementary piece 8 was withdrawed to vertical inslot, and the surface of supplementary piece 8 and the surface of lower mould benevolence 7 form integratively, so that support the product, during the drawing of patterns, go up mould benevolence 6 and leave lower mould benevolence 7, flexible power supply drives drive ejector pin 9 and rises, the edge side that lies in the product is followed respectively to supplementary piece 8 of terrace die 71 both sides and is followed the product and followed terrace die 71 and push down.

By the mode, the thimble marks cannot be left on the inner surface of the product, the inner surface of the product is not easily scratched, and the yield of the product is improved.

On the basis, the auxiliary blocks 8 are arranged in a plurality along the arc direction of the lower mold core 7.

Specifically, all correspond on every supplementary piece 8 and be provided with a drive ejector pin 9, through setting up supplementary piece 8 into a plurality of, during the drawing of patterns, the product atress is more even, is difficult to damage the product.

On the basis, the side is taken out the mechanism and is included slide 11 and the connecting block 12 of sliding connection on slide 11 fixed on die carrier 3 down, be provided with the slope spout on the connecting block 12, sliding connection has side to take out piece 10 in the slope spout, the side is taken out the mechanism and is still including being used for driving connecting block 12 and slides so that side takes out the drive assembly in piece 10 stretches into or withdraws from the die cavity.

Specifically, during the drawing of patterns, when drive assembly drive connecting block 12 deviates from the die cavity and slides, because the piece 10 sliding connection is taken out to the side in the slope spout, the piece 10 can outwards take place the displacement with breaking away from the product downwards simultaneously to the side for the piece 10 is taken out to the side shake-off power and is got the dispersion, is difficult to cause the strain of product.

On the basis, the driving assembly comprises an inclined guide post 13 fixed on the upper die carrier 2, an inclined guide groove is formed in the connecting block 12, and one end, far away from the upper die carrier 2, of the inclined guide post 13 is connected in the inclined guide groove in a sliding mode.

It should be noted that the oblique guide post 13 and the oblique guide slot are prior art, and are not described in detail in this embodiment.

On the basis, the inclined sliding groove is a T-shaped inclined sliding groove, a T-shaped part is arranged on the side pulling block 10, and the T-shaped part is connected in the T-shaped inclined sliding groove in a sliding mode.

Specifically, through the setting of T type slope spout and T type portion for T type portion can not shake off along the vertical direction on T type slope spout inclined plane, has the effect of spacing direction.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that modifications and embellishments within the scope of the present disclosure may be made by those skilled in the art without departing from the principles of the present disclosure.

Claims

1. The utility model provides an auto-parts injection mold, includes upper plate (1) and lower plate (4), the corresponding position of upper plate (1) and lower plate (4) is provided with die carrier (2) and lower die carrier (3) respectively, the corresponding position of going up die carrier (2) and lower die carrier (3) is provided with mould benevolence (6) and lower mould benevolence (7) respectively, the relative position of going up mould benevolence (6) and lower mould benevolence (7) is provided with die and terrace die (71) respectively, the cooperation forms the die cavity that is used for the product shaping between die and terrace die (71), run through on upper plate (1) and upper die carrier (2) and be provided with pouring hole groove (5) with the die cavity intercommunication, its characterized in that: the terminal surface of lower mould benevolence (7) is the arc, terrace die (71) arc laminating is on the terminal surface of lower mould benevolence (7), the both sides that lie in terrace die (71) on lower mould benevolence (7) are provided with vertical groove respectively, every vertical inslot sliding connection has auxiliary block (8), the surface of auxiliary block (8) is provided with the radian with the terminal surface adaptation of lower mould benevolence (7), run through the ejector pin groove that is provided with and vertical groove intercommunication on lower plate (4) and lower die carrier (3), ejector pin inslot sliding connection has drive ejector pin (9), the one end and auxiliary block (8) fixed connection, the other end fixedly connected with drive connector of drive ejector pin (9), be located die cavity one side be provided with on lower die carrier (3) and be used for carrying out the side to the product and take out the side mechanism of drawing patterns.

2. The injection mold for automobile parts according to claim 1, characterized in that: the auxiliary blocks (8) are arranged into a plurality of blocks along the arc direction of the lower mold core (7).

3. The automobile accessory injection mold of claim 1, wherein: the side is taken out the mechanism and is included slide (11) and connecting block (12) of sliding connection on slide (11) of fixing on die carrier (3) down, be provided with the slope spout on connecting block (12), sliding connection has side and takes out piece (10) in the slope spout, the side is taken out the mechanism and is still including being used for driving connecting block (12) and slide so that side takes out piece (10) and stretch into or withdraw from the drive assembly in the die cavity.

4. The injection mold for automobile parts according to claim 3, characterized in that: the driving assembly comprises an inclined guide post (13) fixed on the upper die frame (2), an inclined guide groove is formed in the connecting block (12), and one end, far away from the upper die frame (2), of the inclined guide post (13) is connected in the inclined guide groove in a sliding mode.

5. The automobile accessory injection mold of claim 3, wherein: the inclined sliding groove is a T-shaped inclined sliding groove, a T-shaped part is arranged on the side pulling block (10), and the T-shaped part is connected in the T-shaped inclined sliding groove in a sliding mode.