CN213260897U

CN213260897U - Ejector pin structure of injection mold for refrigerator drawer

Info

Publication number: CN213260897U
Application number: CN202021151852.8U
Authority: CN
Inventors: 相伟民
Original assignee: Suzhou Kaicheng Plastic Co ltd
Current assignee: Suzhou Kaicheng Plastic Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-05-25
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a thimble structure of injection mold of refrigerator drawer, which comprises a main body and a fixed cover, wherein the bottom of the main body is fixed with a base, supporting blocks are fixed on two sides of the main body, first limiting columns are fixed on two sides of the top of the main body, a spring is sleeved on the top of the first limiting column, a second limiting column is sleeved on the top of the spring, a supporting rod is fixed on the top of the second limiting column, and a supporting plate is fixed on the top of the supporting rod; when the injection molding machine ejects a molded product through the mold ejector pins, the molded product is not easy to damage through the non-rigid contact of the silica gel ejector pins to the molded product, the ejection efficiency is quickly and effectively guaranteed through the plurality of silica gel ejector pins, and the problem that the molded product cannot be effectively ejected is solved.

Description

Ejector pin structure of injection mold for refrigerator drawer

Technical Field

The utility model belongs to the technical field of the mould thimble, concretely relates to refrigerator drawer injection mold's thimble structure.

Background

The die is commonly used for blanking, forming stamping, die forging, cold heading, extrusion, powder metallurgy part pressing and pressure casting, and the shaping processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics, etc., the mould has a specific outline or cavity shape, the blank can be separated according to the contour shape by applying the outline shape with a cutting edge, the blank can obtain a corresponding three-dimensional shape by applying the cavity shape, the mould generally comprises a movable mould and a fixed mould, the movable mould and the fixed mould can be separated and combined, the blank is loaded into or taken out of the mould when the movable mould and the fixed mould are separated, the mould is a precise tool, the shape is complex, and the expansion force of the blank is borne, has higher requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision, therefore, the development level of mold production is one of the important marks of the mechanical manufacturing level, however, various mold ejection pins still have various problems in the market.

Although the mold thimble with the adjustable size disclosed in the publication No. CN107599326A realizes the mold thimble with the adjustable size of the present invention, the mold thimble can be adjusted to fit guide holes with different sizes, so that the versatility of the mold thimble is greatly increased, but the problems that the top surface of the existing mold thimble is easy to slip when ejecting a molded product, the molded product is easy to be damaged by carelessness, and the mold thimble is subjected to repeated impact force, so that the service life is short, and the mold thimble is easy to be damaged are not solved, so we propose a thimble structure of an injection mold for a refrigerator drawer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a refrigerator drawer injection mold's thimble structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a refrigerator drawer injection mold's thimble structure, includes main part and fixed lid, the bottom of main part is fixed with the base, and the both sides of main part are fixed with the supporting shoe, and the top both sides of main part are fixed with first spacing post, the spring has been cup jointed at first spacing capital portion, the spacing post of second has been cup jointed at the spring top, the top of the spacing post of second is fixed with the bracing piece, the top of bracing piece is fixed with the backup pad.

Preferably, the backup pad is connected with the limiting plate through first bolt dismantlement, the top of limiting plate is fixed with a plurality of silica gel thimbles, and the silica gel thimble presents the trapezoidal of falling.

Preferably, the supporting block is made of aluminum alloy, and the specific shape of the supporting block is a right-angled triangle.

Preferably, the top area of the supporting plate is larger than that of the limiting plate.

Preferably, the fixing cover is detachably connected with the main body by a second bolt.

Preferably, the spring is fixed in position through the first limiting column and the second limiting column, and the height of the first limiting column and the height of the second limiting column are one fifth of the height of the spring in the initial state.

Preferably, a groove is formed in the silica gel thimble, and the shape of the groove is consistent with the shape of the silica gel thimble.

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

(1) the utility model discloses, be provided with limiting plate and silica gel thimble, when the injection molding machine was at the ejecting shaping goods of mould thimble, through the difficult fashioned goods of destroying of the non-rigid contact of silica gel thimble to shaping goods, through the ejecting efficiency of quick and effectual assurance of a plurality of silica gel thimbles, solved the unable effectual ejecting problem of shaping goods.

(2) The utility model discloses, be provided with the spring, bracing piece and backup pad through the effect of bracing piece and spring, can play certain cushioning effect at the ejecting shaping goods in-process of mould thimble, can make the mould thimble not fragile with unloading of the impact force the biggest that the mould bracing piece received, increase its life, reduced cost of maintenance.

Drawings

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

fig. 2 is a schematic front sectional view of the present invention;

FIG. 3 is an enlarged schematic view of the support rod of the present invention;

fig. 4 is the structural schematic diagram of the supporting block and the limiting block of the present invention.

In the figure: 1. a main body; 2. a support block; 3. a base; 4. a support bar; 5. a support plate; 6. a limiting plate; 7. a silica gel thimble; 8. a first limit post; 9. a spring; 10. a second limit post; 11. a first bolt; 12. a second bolt; 13. a fixed cover; 14. and (4) a groove.

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. 1-4, the utility model provides an effective ejecting and maintenance cost reduction technical scheme of refrigerator drawer injection mold's thimble structure: the utility model provides a refrigerator drawer injection mold's thimble structure, includes main part 1 and fixed lid 13, the bottom of main part 1 is fixed with base 3, and the both sides of main part 1 are fixed with supporting shoe 2, and the top both sides of main part 1 are fixed with first spacing post 8, spring 9 has been cup jointed at first spacing post 8 top, spring 9 top has been cup jointed the spacing post 10 of second, the top of the spacing post 10 of second is fixed with bracing piece 4, the top of bracing piece 4 is fixed with backup pad 5

In this embodiment, it is preferable that the supporting plate 5 is detachably connected with a limiting plate 6 through a first bolt 11, the top of the limiting plate 6 is fixed with a plurality of silica gel thimbles 7, and the silica gel thimbles 7 are inverted trapezoidal, so that the molded product can be conveniently ejected.

In this embodiment, preferably, the supporting block 2 is made of aluminum alloy, and the specific shape thereof is a right triangle, so as to support the main body 1 conveniently.

In this embodiment, it is preferable that the top area of the supporting plate 5 is larger than the top area of the limiting plate 6, the mold is divided into a movable mold plate and a fixed mold plate, and the silica gel thimble 7 can protrude out of the movable mold plate.

In this embodiment, preferably, the fixing cover 13 is detachably connected to the main body 1 by a second bolt 12, so as to facilitate the detachable connection.

In this embodiment, preferably, the spring 9 is fixed in position by the first limiting column 8 and the second limiting column 10, and the height of the first limiting column 8 and the height of the second limiting column 10 are one fifth of the height of the spring 9 in the initial state, so that the spring 9 can move conveniently.

In this embodiment, preferably, the inside of the silica gel thimble 7 is provided with a groove 14, and the shape of the groove 14 is consistent with the shape of the silica gel thimble 7, so that the silica gel thimble 7 is in non-rigid contact with the molded product.

The utility model discloses a theory of operation and use flow: before the ejector pin device of the injection mold for the refrigerator drawer is used, the spring 9 of the device is firstly checked to ensure that the spring 9 is intact and has enough resilience, then the stability of the first bolt 11 and the second bolt 12 is checked to ensure that the bolts are not loosened, the device is fixedly arranged on a movable template of the injection molding machine through the base 3, when the injection molding machine ejects a molded product through a mold ejector pin, the limiting plate 6 and the outer surface of the movable template are parallel to the silica gel ejector pin 7 and penetrate through the outer surface of the movable template during the return stroke of the movable template, the molded product is not easy to damage such as non-rigid contact of the molded product, the ejection efficiency of the molded product is rapidly and effectively ensured through the plurality of silica gel ejector pins 7, the problem that the molded product cannot be effectively ejected is solved, in the process of ejecting the molded product out of the mold ejector pin, the supporting rod 4 plays a certain buffering role through the resilience of the spring 9, the impact force borne by the, the service life of the device is prolonged, and the maintenance cost is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a refrigerator drawer injection mold's thimble structure, includes main part (1) and fixed lid (13), its characterized in that: the bottom of main part (1) is fixed with base (3), and the both sides of main part (1) are fixed with supporting shoe (2), and the top both sides of main part (1) are fixed with first spacing post (8), spring (9) have been cup jointed at first spacing post (8) top, spacing post (10) of second have been cup jointed at spring (9) top, the top of the spacing post of second (10) is fixed with bracing piece (4), the top of bracing piece (4) is fixed with backup pad (5).

2. The ejector pin structure of the injection mold for the refrigerator drawer according to claim 1, wherein: backup pad (5) are dismantled through first bolt (11) and are connected with limiting plate (6), the top of limiting plate (6) is fixed with a plurality of silica gel thimbles (7), and silica gel thimble (7) present to fall trapezoidally.

3. The ejector pin structure of the injection mold for the refrigerator drawer according to claim 1, wherein: the supporting block (2) is made of aluminum alloy, and the specific shape of the supporting block is a right-angled triangle.

4. The ejector pin structure of the injection mold for the refrigerator drawer according to claim 1, wherein: the top area of the supporting plate (5) is larger than that of the limiting plate (6).

5. The ejector pin structure of the injection mold for the refrigerator drawer according to claim 1, wherein: the fixed cover (13) is detachably connected with the main body (1) through a second bolt (12).

6. The ejector pin structure of the injection mold for the refrigerator drawer according to claim 1, wherein: the spring (9) is fixed in position through the first limiting column (8) and the second limiting column (10), and the height of the first limiting column (8) and the height of the second limiting column (10) are one fifth of the height of the spring in the initial state.

7. The ejector pin structure of the injection mold for the refrigerator drawer according to claim 2, wherein: a groove (14) is formed in the silica gel thimble (7), and the shape of the groove (14) is consistent with the shape of the silica gel thimble (7).