CN214239351U - Washing machine barrel injection mold with short cooling period - Google Patents

Abstract

The utility model discloses a washing machine barrel injection mold with short cooling cycle, which comprises a movable mold, a fixed mold, a side slide block and a ground slide block, wherein the fixed mold comprises a panel, a runner plate, a fixed mold insert and a fixed mold plate, the fixed mold insert comprises a front mold insert A, a front mold insert B and a front mold insert C, the front mold insert B wraps the front mold insert A and the front mold insert C, and the front mold insert C is positioned below the front mold insert A; the movable mould comprises a bottom plate, a movable mould insert, an ejector pin bottom plate, an ejector pin panel, square iron and a movable mould plate, the movable mould insert is arranged inside the side slide block, the movable mould insert comprises a rear mould insert A, a rear mould insert B, a rear mould insert C, a rear mould insert D and a rear mould insert E, and the AMPCO940 imported beryllium copper material is used at the second heart part of the washing machine barrel, so that the problems can be effectively solved, the injection molding period is shortened, the production of the mould is improved, the production efficiency is further improved, and the production period is shortened.

Description

Washing machine barrel injection mold with short cooling period

Technical Field

The utility model relates to a technical field of moulding plastics specifically is a washing machine bucket injection mold with cooling cycle is short.

Background

In recent years, with the rapid development of social economy in China, people put forward new requirements on various industries, and as industries related to life of people, the requirements of the industries are gradually diversified, so that the requirements on the quality are better and better, the price is low, and the use is more convenient. The plastic product is one of the most common products in daily life, and the forming technology of the plastic product cannot be separated. The cooling system of the injection mold not only affects the production cycle of the product, but also has a direct relation to the quality of the product. In the 60 s of the last century, many scientific and technical personnel have been invested in the design of new cooling systems and have gained remarkable results, but due to the rapid development of society, the traditional cooling technology is far from meeting the actual demand at present. The washing machine barrel is used as a second heart of the washing machine, the product has a large number of bone positions, assembly positions and structure strengthening positions, and the cooling effect is difficult to achieve by using a traditional cooling system. When being difficult to increase the cooling effect through the water route, and then great extension the cycle of moulding plastics, the product of producing has a large amount of sink marks, leads to the product shaping quality poor.

Disclosure of Invention

An object of the utility model is to provide a washing machine bucket injection mold with cooling cycle is short to solve current cooling effect not good, and then great extension the cycle of moulding plastics, the product of producing has a large amount of sink marks, leads to the poor problem of product shaping quality.

In order to achieve the above object, the utility model provides a following technical scheme: the washing machine barrel injection mold with the short cooling period comprises a movable mold, a fixed mold, a side slide block and a ground slide block, wherein the fixed mold comprises a panel, a runner plate, a fixed mold insert and a fixed mold plate, the fixed mold insert comprises a front mold insert A, a front mold insert B and a front mold insert C, the front mold insert B wraps the front mold insert A and the front mold insert C, and the front mold insert C is positioned below the front mold insert A;

the movable mold comprises a bottom plate, a movable mold insert, an ejector pin bottom plate, an ejector pin panel, square iron and a movable mold plate, the movable mold insert is arranged inside the side slide block, the movable mold insert comprises a rear mold insert A, a rear mold insert B, a rear mold insert C, a rear mold insert D and a rear mold insert E, the rear mold insert D is arranged above the movable mold plate, the rear mold insert E is arranged above the rear mold insert D, the rear mold insert C and the rear mold insert B above the rear mold insert C are arranged inside the rear mold insert E, and the rear mold insert A embedded with the fixed mold insert is arranged in the middle of the rear mold insert B;

the ejector pin plate comprises a movable die plate, a movable die block and a bottom plate, wherein the movable die plate is arranged on the bottom plate, the movable die block is arranged on the side surface of the bottom plate, the bottom plate and the square iron are fastened into a whole through screws, an ejector pin plate accommodating space is formed in the movable die plate, an ejector pin bottom plate and an ejector pin panel are arranged in the ejector pin plate accommodating space, and a driving oil cylinder is arranged on one side between the movable die and the side sliding block.

Furthermore, the lower end face of the runner plate is fixedly connected with the upper end face fixed die plate, and the upper end face of the runner plate is fixedly connected with the lower end face of the panel.

Furthermore, the outer lower end surface of the front mold insert B is matched with the outer upper end surface of the rear mold insert E.

Furthermore, a positioning ring is arranged in the middle of the upper end of the runner plate.

Furthermore, the side slide block and the ground slide block are arranged above the movable mold, the movable mold insert penetrates through an installation hole in the middle of the side slide block, and the fixed mold is arranged above the side slide block.

Furthermore, the side sliding block moves by taking a driving oil cylinder as a power source.

Compared with the prior art, the beneficial effects of the utility model are that:

the internal thread loose core is retreated by the compound line belt gear, the AMPCO940 imported beryllium copper material is used in the second heart part of the washing machine barrel, the problems can be effectively solved, the injection molding period is shortened, the production of a mold is improved, the production efficiency is improved, and the production period is shortened.

Drawings

FIG. 1 is a cross-sectional view of an injection mold for a washing machine tub having a short cooling cycle according to the present invention;

FIG. 2 is a schematic view of the fixed mold structure of the present invention;

FIG. 3 is a schematic structural view of the movable mold of the present invention;

in the figure, 1, a positioning ring; 2. a runner plate; 3. a front mold insert A; 4. a front mold insert B; 5. a rear mold insert A; 6. a rear mold insert B; 7; a rear mold insert C; 8. a driving oil cylinder; 9. a rear mold insert D; 10. a thimble base plate; 11. a base plate; 12. a thimble panel; 13. square iron; 14. moving the template; 15. a rear mold insert E; 16. a side slider; 17. a front mold insert C; 18. fixing a template; 19. a panel.

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. 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.

Referring to fig. 1-3, in an embodiment of the present invention, an injection mold for a washing machine barrel with a short cooling cycle includes a movable mold and a fixed mold, a side slider 16, a ground slider, the fixed mold includes a panel 19, a runner plate 2, a fixed mold insert, and a fixed mold plate 18, the fixed mold insert includes a front mold insert A3, a front mold insert B4, and a front mold insert C17, the front mold insert B4 wraps the front mold insert A3 and the front mold insert C17, and the front mold insert C17 is located below the front mold insert A3.

The material of the fixed die, the movable die and the sliding block is AMPCO940 imported beryllium copper, so that the heat dissipation of the glue position is faster and more uniform, the injection molding is realized, the cooling period is shorter, and the production capacity of the die and the injection molding machine is improved.

The moving die comprises a bottom plate 11, a moving die insert, an ejector pin bottom plate 10, an ejector pin panel 12, square iron 13 and a moving die plate 14, the moving die insert is arranged inside the side slide block 16, the moving die insert comprises a rear die insert A5, a rear die insert B6, a rear die insert C7, a rear die insert D9 and a rear die insert E15, the rear die insert D9 is arranged above the moving die plate 14, the rear die insert E15 is arranged above the rear die insert D9, a rear die insert C7 and a rear die insert B6 above the rear die insert C7 are arranged inside the rear die insert E15, and a rear die insert A5 embedded with the fixed die insert is arranged in the middle of the rear die insert B6;

the ejector pin plate structure is characterized in that the bottom plate 11 and the square iron 13 are fastened into a whole through screws, an ejector pin plate accommodating space is formed in the movable die plate 14, an ejector pin bottom plate 10 and an ejector pin panel 12 are installed in the ejector pin plate accommodating space, and a driving oil cylinder 8 is installed on one side between the movable die and the side sliding block 16.

The lower end face of the runner plate 2 is fixedly connected with the upper end face fixed die plate 18, the upper end face of the runner plate 2 is fixedly connected with the lower end face of the panel 19, the outer lower end face of the front die insert B4 is fitted with the outer upper end face of the rear die insert E15, the middle of the upper end of the runner plate 2 is provided with a positioning ring 1, the side slide block 16 and the ground slide block are arranged above the movable die, the movable die insert penetrates through a mounting hole in the middle of the side slide block 16, the fixed die is arranged above the side slide block 16, and the side slide block 16 moves by taking the driving oil cylinder 8 as a power source.

Generally, when a plastic part is subjected to injection molding, the temperature of an in-mold solution is controlled to be 200-300 degrees, when a product is subjected to demolding, the temperature is controlled to be 60-80 degrees, in the process, about 5% of heat is conducted through a mold, then the heat is dissipated to the atmosphere in a convection mode, most of the heat is taken away through a cooling medium in a mold cooling system, and in a molding cycle, the cooling time accounts for 60-80%.

By changing the imported beryllium copper material of AMPCO940, the injection molding period is shortened by 15%, the glue position is cooled more uniformly, and the shrinkage and the thickness printing are effectively slowed down, which are appearance defects avoided due to the product structure.

In conclusion, the internal thread loose core for the back tapping of the compound line gear is adopted, the AMPCO940 imported beryllium copper material is used for the second heart part of the washing machine barrel, the problems can be effectively solved, the injection molding period is shortened, the production of the mold is improved, the production efficiency is improved, and the production period is shortened.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The washing machine barrel injection mold with the short cooling period comprises a moving mold and a fixed mold, a side sliding block (16) and a ground sliding block, and is characterized in that the fixed mold comprises a panel (19), a runner plate (2), a fixed mold insert and a fixed mold plate (18), the fixed mold insert comprises a front mold insert A (3), a front mold insert B (4) and a front mold insert C (17), the front mold insert B (4) wraps the front mold insert A (3) and the front mold insert C (17), and the front mold insert C (17) is located below the front mold insert A (3);

the movable mold comprises a bottom plate (11), a movable mold insert, an ejector pin bottom plate (10), an ejector pin panel (12), square iron (13) and a movable mold plate (14), the movable mold insert is arranged inside the side slide block (16), the movable mold insert comprises a rear mold insert A (5), a rear mold insert B (6), a rear mold insert C (7), a rear mold insert D (9) and a rear mold insert E (15), the rear mold insert D (9) is arranged above the movable mold plate (14), the rear mold insert E (15) is arranged above the rear mold insert D (9), a rear mold insert C (7) and a rear mold insert B (6) above the rear mold insert C (7) are arranged inside the upper part of the rear mold insert E (15), the middle part of the rear mold insert B (6) is provided with a rear mold insert A (5) embedded with the fixed mold insert;

bottom plate (11) and square iron (13) are through the screw-up as an organic whole and in movable mould board (14) are formed with thimble board accommodation space, install thimble bottom plate (10) and thimble panel (12) in the thimble board accommodation space, the movable mould with drive cylinder (8) are installed to one side between side slider (16).

2. An injection mould for a washing machine tub with short cooling cycle according to claim 1, characterized in that the lower end face of the runner plate (2) is fastened to the upper end face of the stationary platen (18), and the upper end face of the runner plate (2) is fastened to the lower end face of the face plate (19).

3. A washing machine tub injection mold with short cooling cycle according to claim 1, characterized in that the outside lower end face of the front mold insert B (4) is fitted with the outside upper end face of the rear mold insert E (15).

4. An injection mould for washing machine drums with short cooling cycle according to claim 1, characterized in that the middle of the upper end of the runner plate (2) is provided with a positioning ring (1).

5. An injection mold for washing machine tub with short cooling cycle according to claim 1, characterized in that the side slides (16) and the ground slide are placed above the movable mold, and the movable mold insert penetrates through the mounting hole in the middle of the side slides (16), and the stationary mold is placed above the side slides (16).

6. An injection mold for a washing machine tub with short cooling cycle according to claim 1, characterized in that the side slide (16) is moved using the driving cylinder (8) as a power source.

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