CN219325488U

CN219325488U - Upper die with double sliding blocks

Info

Publication number: CN219325488U
Application number: CN202222657338.7U
Authority: CN
Inventors: 慕社会; 蔡峻峰; 张争鸣; 杨忠诚
Original assignee: Kenta Enterprise Co ltd
Current assignee: Kenta Enterprise Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-07-11
Anticipated expiration: 2032-10-10

Abstract

The utility model provides an upper die with double sliding blocks, which belongs to the technical field of die design and comprises an upper die body; at least one sliding port is formed in the surface of the upper die body, and a through hole is formed in the side wall of the sliding port; a sliding block is arranged in the sliding port, a plug of the sliding block is inserted into the through hole in a sealing way, a shovel is arranged on one side, away from the through hole, of the sliding port, and the shovel is inserted into the sliding port and is used for limiting the sliding block in an inserting way; when the die is actually used, the die is matched with the lower die to be used for die assembly, after die assembly, the sliding block is sequentially placed in the sliding port and the plug of the die is placed in the through hole, then the shovel machine is used for being inserted and limited with the sliding block, at the moment, injection molding is carried out in the die cavity, the formed plastic product is located at the position of the plug to form a back-off, but the outer surface of the back-off is smooth, PL lines and side lines are not generated, the attractiveness of the plastic product is improved, and the product quality is guaranteed.

Description

Upper die with double sliding blocks

Technical Field

The utility model relates to the technical field of mold design, in particular to an upper mold with double sliding blocks.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and precise dimensions. Injection molding is a process used in mass production of parts of complex shape. The method specifically refers to injecting heated and melted plastic into a mold cavity under high pressure by an injection molding machine, and cooling and solidifying the plastic to obtain a formed product, wherein noise points appear on the periphery of the product produced by some molds, and particularly PL line noise points appear on the surface of the product during production of some plastic products with inverted buckles, the existence of the noise points is avoided during production of some remote controller shells, the quality requirements are high, the existing injection molds cannot produce the product, through holes on the molds are sealed by plugs during production of the plastic products with inverted buckles in some molds, and the plugs are inconvenient to take out after the product is formed.

Disclosure of Invention

The utility model aims to provide an upper die with double sliding blocks, which is simple in structure and convenient to use, so as to solve the defects caused by the prior art.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme: an upper die with double sliding blocks comprises an upper die body;

at least one sliding port is formed in the surface of the upper die body, and a through hole is formed in the side wall of the sliding port;

the sliding opening is internally provided with a sliding block, a plug of the sliding block is inserted into the through hole in a sealing mode, one side, away from the through hole, of the sliding opening is provided with a shovel, and the shovel is inserted into the sliding opening and limited by the sliding block.

The two sliding ports are internally and correspondingly provided with a first sliding block and a second sliding block, the section of a plug of the first sliding block is circular, the section of a plug of the second sliding block is oval, a first shovel is inserted on the first sliding block, and a second shovel is inserted on the second sliding block.

The first shovel machine and the second shovel machine are obliquely provided with T-shaped limiting blocks, and T-shaped sliding grooves matched with the T-shaped limiting blocks are formed in the first sliding block and the second sliding block.

Limiting grooves are further formed in two opposite side walls, far away from the through hole, of the sliding port, limiting blocks are arranged on two sides of the first shovel machine and two sides of the second shovel machine, and the limiting blocks are arranged in the limiting grooves.

The vertical distance between the T-shaped limiting block and the corresponding through hole at the top end of the T-shaped sliding chute is smaller than the vertical distance between the T-shaped limiting block and the corresponding through hole at the bottom end of the T-shaped sliding chute, and the T-shaped limiting block and the T-shaped sliding chute are integrally inclined towards the direction of the through hole, so that the shovel is ensured to enter or separate from a sliding opening, and the sliding block is controlled to move.

The height of the shovel machine is larger than that of the sliding block, so that the shovel machine is convenient to operate and use.

According to the technical scheme, the utility model has at least the following beneficial effects:

1. when the die is actually used, the die is matched with the lower die to be used for die assembly, after die assembly, the sliding block is sequentially placed in the sliding port and the plug of the die is placed in the through hole, then the shovel machine is used for being inserted and limited with the sliding block, at the moment, injection molding is carried out in the die cavity, the formed plastic product is located at the position of the plug to form a back-off, but the outer surface of the back-off is smooth, PL lines and side lines are not generated, the attractiveness of the plastic product is improved, and the product quality is guaranteed.

2. The device is also provided with a T-shaped limiting block and a T-shaped sliding groove which are used for limiting the sliding block, so that the sliding block is pushed by the transverse component force when the shovel machine is inserted, the plug is arranged in the through hole, and when the shovel machine is pulled out, the plug can be taken out of the through hole by the transverse component force, so that the whole die is assembled conveniently and rapidly, and the working efficiency is greatly increased.

Drawings

Fig. 1 is a schematic diagram of the front structure of the upper die body.

FIG. 2 is a schematic view of the reverse structure of the upper body.

FIG. 3 is a schematic structural diagram of a plastic product.

FIG. 4 is a schematic diagram showing the combination of a plastic product and a shovel and a slider.

Fig. 5 is an enlarged view at a in fig. 4.

Wherein: the die comprises a die body 1, a first sliding port 2, a second sliding port 3, a limit groove 4, a second shovel 5, a first shovel 6, a second slide block 7, a first slide block 8, a plastic product 9, a back-off 10, a through hole 11 and a limit rod 12.

Description of the embodiments

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In order to solve the problems that PL line flaws and plugs are difficult to take out when the existing mold produces plastic products (such as foreign remote controller shells) with higher appearance requirements, the utility model provides an upper mold with double sliding blocks, which is matched with the existing lower mold for use, and referring to figures 1 to 5, the upper mold comprises: the upper die comprises an upper die body 1, wherein at least one sliding port is arranged on the surface of the upper die body 1, and a through hole 11 is arranged on the side wall of the sliding port; the sliding opening is internally provided with a sliding block, a plug of the sliding block is inserted into the through hole 11 in a sealing mode, one side, away from the through hole 11, of the sliding opening is provided with a shovel, and the shovel is inserted into the sliding opening and limited by the sliding block.

The designer improves to the last mould of mould, and the cooperation current lower mould compound die makes both inside formation die cavity during the use, and then places the slider in the smooth mouth to in the through-hole of last mould body is placed in to the end cap that makes on the slider, pushes the fixed slider of smooth mouth with the shovel machine at last, moulds plastics in the die cavity this moment, and the plastic product of final shaping can not appear making an uproar the point, and its surface is smooth.

In some embodiments, the number of sliding openings is two, a first sliding block 8 and a second sliding block 7 are correspondingly arranged in the two sliding openings, the cross section of a plug of the first sliding block 8 is circular, the cross section of a plug of the second sliding block 7 is elliptical, a first shovel 6 is inserted on the first sliding block 8, a second shovel 5 is inserted on the second sliding block 7, plugs with different shapes are inserted, the reverse buckle shapes on the finally formed plastic products are different, the second sliding block 7 and the second shovel 5 are arranged in the second sliding opening 3, and the first sliding block 8 and the first shovel 6 are arranged in the first sliding opening 2.

Observing fig. 4 and fig. 5, wherein the first shovel 6 and the second shovel 5 are obliquely provided with T-shaped limiting blocks, the first slide block 8 and the second slide block 7 are provided with T-shaped sliding grooves matched with the T-shaped limiting blocks, specifically, the vertical distance between the top ends of the T-shaped limiting blocks and the corresponding through holes 11 is smaller than the vertical distance between the bottom ends of the T-shaped limiting blocks and the corresponding through holes 11, in other words, the matching structures of the T-shaped limiting blocks and the T-shaped sliding grooves are integrally inclined towards the corresponding through holes 11, the first slide block 8 and the second slide block 7 are respectively arranged in corresponding sliding openings, when the first shovel 6 and the second shovel 5 are correspondingly inserted into the corresponding sliding openings, the movement of the shovel drives the corresponding slide blocks to move towards the corresponding through holes 11, the upper plugs of the slide blocks seal the through holes, and when the first shovel 6 and the second shovel 5 are pulled out, the corresponding plugs are synchronously separated from the through holes 11, so that the operation is simple, and the use effect is better.

Further, in order to strengthen the grafting steadiness of first shovel 6, second shovel 5, still be equipped with spacing groove 4 on the two opposite lateral walls that first smooth mouth 2, second smooth mouth 3 kept away from corresponding through-hole 11, first shovel 6, second shovel 5 both sides all are equipped with stopper 12, spacing groove 4 is arranged in to stopper 12, in order to conveniently pull out the shovel, the height of shovel is greater than the height of slider during the design.

In use, the first slide opening 2 and the second slide opening 3 are arranged on the upper die body 1, the upper die body 1 is matched with the existing lower die to be sealed, the first slide block 8 and the second slide block 7 are arranged in the corresponding slide openings, the T-shaped limiting blocks on the first shovel 6 and the second shovel 5 are correspondingly arranged in the T-shaped sliding grooves on the first slide block 8 and the second slide block 7, the first shovel 6 and the second shovel 5 are respectively pressed down, due to the inclined design of the T-shaped limiting blocks and the T-shaped sliding grooves, the plug on the corresponding slide block is pushed to be arranged in the through hole 11 corresponding to the upper die body 1 while the shovel is pressed down (which is not repeated in the prior art), then injection molding work can be carried out, after the plastic products in the cavity are molded, the plug of the corresponding slide block is pulled out, finally the upper die and the lower die are separated, the molded plastic products are left on the lower die, and the ejector pins are designed on the lower die in practice, so that the plastic products are convenient to be stripped.

It will be appreciated by those skilled in the art that the present utility model can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.

Claims

1. An upper die with double slides, comprising: an upper die body (1);

at least one sliding port is arranged on the surface of the upper die body (1), and a through hole (11) is arranged on the side wall of the sliding port;

the sliding opening is internally provided with a sliding block, a plug of the sliding block is inserted into the through hole (11) in a sealing mode, a shovel machine is arranged on one side, away from the through hole (11), of the sliding opening, and the shovel machine is inserted into the sliding opening and limited by the sliding block in an inserting mode.

2. The upper die with the double sliding blocks according to claim 1, wherein the number of the sliding ports is two, a first sliding block (8) and a second sliding block (7) are correspondingly arranged in the two sliding ports, the section of a plug of the first sliding block (8) is circular, the section of a plug of the second sliding block (7) is elliptical, a first shovel (6) is inserted into the first sliding block (8), and a second shovel (5) is inserted into the second sliding block (7).

3. The upper die with the double sliding blocks according to claim 2, wherein the first shovel (6) and the second shovel (5) are obliquely provided with T-shaped limiting blocks, and the first sliding block (8) and the second sliding block (7) are provided with T-shaped sliding grooves matched with the T-shaped limiting blocks.

4. The upper die with the double sliding blocks according to claim 3, wherein limiting grooves (4) are further formed in two opposite side walls, far away from the through holes (11), of the sliding port, limiting blocks (12) are arranged on two sides of the first shovel (6) and the second shovel (5), and the limiting blocks (12) are arranged in the limiting grooves (4).

5. An upper die with double slide blocks according to claim 3, characterized in that the vertical distance between the top ends of the T-shaped limiting block and the T-shaped sliding groove and the corresponding through holes (11) is smaller than the vertical distance between the bottom ends of the T-shaped limiting block and the T-shaped sliding groove and the corresponding through holes (11).

6. The upper die with double slides according to claim 1, wherein the height of the shovel is greater than the height of the slides.