CN212072835U

CN212072835U - Big back-off's flexible glue product ejecting mould of blowing

Info

Publication number: CN212072835U
Application number: CN202020355290.2U
Authority: CN
Inventors: 姚元强
Original assignee: Kunshan Ruimingxing Precision Mould Co ltd
Current assignee: Kunshan Ruimingxing Precision Mould Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-12-04
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses a big back-off's flexible glue product ejection mould of blowing, including public die holder, public die holder upside fixedly connected with public mould, public mould upside fixedly connected with public mould benevolence, public mould benevolence upside has seted up the die cavity, the die cavity is inside to be provided with the product, first cavity and second cavity have been seted up to public mould inside, first cavity downside communicates in the second cavity, first cavity inside activity is provided with once thimble board, second cavity inside activity is provided with the secondary thimble board, a thimble board upside fixedly connected with department barrel casing, the utility model discloses set up department barrel casing, department barrel needle through carrying out ejection once, make the product ejecting die cavity, then department barrel needle carries out secondary ejection alone, sets up the gas circuit, when department barrel needle is ejecting, the gas circuit is supplementary to be blown, makes the product break away from department barrel casing; the gas circuit assists in demoulding and twice demoulding are adopted, so that the damage probability of twice demoulding of products can be reduced.

Description

Big back-off's flexible glue product ejecting mould of blowing

Technical Field

The utility model relates to a mold design field specifically is a big back-off's flexible glue product ejecting mould of blowing.

Background

The die is a tool for forming a blank into a product with a specific shape and size under the action of external force. The die is widely used in blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting, and the forming processing of compression molding or injection molding of engineering plastics, rubber, ceramics and other products. The die has a specific inner cavity shape, and the blank can obtain a corresponding three-dimensional shape by using the inner cavity shape. The mold generally comprises a movable mold and a fixed mold which can be separated or closed, a workpiece is taken out when the movable mold and the fixed mold are separated, and a blank is injected into a mold cavity for forming when the movable mold and the fixed mold are closed. The die is a precise tool, has a complex shape, bears the expansion force of a blank, has higher requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision, and the development level of die production is one of important marks of the mechanical manufacturing level.

When the back-off of product is great, utilize traditional mode thimble, department's section of thick bamboo, push pedal etc. all can't the fast demoulding, influence production efficiency to there is certain probability to damage the product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a big back-off's flexible glue product ejection mould of blowing sets up department's barrel casing, department's barrel needle make the product push out the die cavity through carrying out ejection once, then department's barrel needle carries out secondary ejection alone, sets up the gas circuit, when department's barrel needle is ejected, the gas circuit is supplementary to be blown, makes the product break away from department's barrel casing; the gas circuit-assisted demoulding and twice demoulding can reduce the damage probability of twice demoulding of products so as to solve the problems in the background technology.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a big back-off's flexible glue product ejecting mould that blows, includes public die holder, public die holder upside fixedly connected with public mould, public mould upside fixedly connected with public mould benevolence, the die cavity has been seted up to public mould benevolence upside, the inside product that is provided with of die cavity, first cavity and second cavity have been seted up to public mould inside, first cavity downside communicates in the second cavity, the inside activity of first cavity is provided with a thimble board, the inside activity of second cavity is provided with secondary thimble board, a thimble board upside fixedly connected with department's barrel casing, department's barrel casing surface sliding pegs graft inside public mould, fixedly connected with department's barrel needle on the secondary thimble board, department's barrel needle surface sliding pegs graft inside department's barrel casing, the gas circuit has been seted up to a thimble board both sides, gas circuit one side communicates inside department's barrel casing.

Preferably, the upper side of the primary ejector plate is fixedly connected with a first base plate, and the sleeve penetrates through the first base plate.

Preferably, notches are formed in four corners of the upper surface of the male die, and the notches are triangular.

Preferably, the upper side of the secondary ejector plate is fixedly connected with a second base plate, and one end of the ejector pin penetrates through the second base plate.

Preferably, the male die comprises an upper male die and a lower male die, and the lower side of the upper male die is fixedly mounted on the upper side of the lower male die through screws.

Preferably, a rectangular groove is formed in the upper surface of the male die, and the male die core is fixedly connected inside the rectangular groove.

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

1. the method comprises the following steps that a sleeve driving sleeve is arranged, a sleeve driving needle is arranged in the sleeve driving sleeve, the sleeve driving sleeve and the sleeve driving needle are ejected out once to enable a product to be ejected out of a cavity, then the sleeve driving sleeve is fixed, the sleeve driving needle is ejected out continuously, an air path is arranged, and when the sleeve driving needle is ejected out, the air path assists in blowing air to enable the product to be separated from the sleeve driving sleeve;

2. the gas circuit assists demoulding, can reduce the risk that the department's barrel needle punctures the product, adopts twice drawing of patterns, can reduce the damage when twice product drawing of patterns.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

fig. 3 is a schematic view of the structure of the air hole portion of the present invention.

In the figure: 1. a male die holder; 2. a male die; 3. a core insert; 4. a cavity; 5. producing a product; 6. a first cavity; 7. a second cavity; 8. a primary ejector plate; 9. a secondary ejector plate; 10. a sleeve; 11. a sleeve ejecting needle; 12. a gas circuit; 13. a first backing plate; 14. a notch; 15. a second backing plate; 201. feeding a male die; 202. setting a male die; 16. a rectangular 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. 1-3, the present invention provides a technical solution: the utility model provides a big back-off's flexible glue product ejection die that blows, includes public die holder 1, 1 upside fixedly connected with public mould 2 of public die holder, and public mould 2 includes public mould 201 and lower public mould 202, goes up public mould 201 downside and passes through screw fixed mounting in public mould 202 upside down. The upper surface of the upper male die 201 is provided with a rectangular groove 16, and the male die core 3 is fixedly connected inside the rectangular groove 16. Notches 14 are formed in four corners of the upper surface of the male die 2, and the notches 14 are triangular.

Die cavity 4 has been seted up to 3 upsides of core insert, the inside product 5 that is provided with of die cavity 4, first cavity 6 and second cavity 7 have been seted up to 2 inside public moulds, 6 downside of first cavity communicate in

second cavity

7, 6 inside activities of first cavity are provided with ejector plate 8, the inside activities of second cavity 7 are provided with

secondary ejector plate

9, 8 upside fixed connection of primary ejector plate have department's barrel casing 10, department's barrel casing 10 surface sliding pegs graft inside public mould 2, fixed connection has department's barrel needle 11 on the secondary ejector plate 9, department's barrel needle 11 surface sliding pegs graft inside department's barrel casing 10, gas circuit 12 has been seted up to 8 both sides of primary ejector plate, gas circuit 12 one side communicates inside department's barrel casing 10. Through holes are arranged at two sides of the male die 2, and the air passage 12 can move up and down along with the ejector plate 8 in the through holes.

The upper side of the primary ejector plate 8 is fixedly connected with a first backing plate 13, the ejector sleeve 10 penetrates through the first backing plate 13, the upper side of the secondary ejector plate 9 is fixedly connected with a second backing plate 15, and one end of the ejector pin 11 penetrates through the second backing plate 15.

The working principle is as follows: the ejector sleeve 10 is arranged, the ejector pin 11 is arranged in the ejector sleeve 10 in a sliding mode, when the ejector sleeve is demoulded, the ejector sleeve 10 and the ejector pin 11 are ejected out once, the product 5 is ejected out of the cavity 4, then the ejector sleeve 10 is fixed, the ejector pin 11 is ejected out continuously, meanwhile, the air channel 12 assists in blowing, the product is separated from the ejector sleeve 10, and the demould can be completed; the air passage 12 assists in demoulding, so that the risk that the ejector pin 11 punctures the product 5 can be reduced, and the damage of the product 5 during demoulding can be reduced by adopting twice demoulding.

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 big back-off's flexible glue product ejecting mould of blowing, includes public die holder (1), its characterized in that: the upper side of the male die holder (1) is fixedly connected with a male die (2), the upper side of the male die (2) is fixedly connected with a male die core (3), the upper side of the male die core (3) is provided with a cavity (4), a product (5) is arranged in the cavity (4), the male die (2) is internally provided with a first cavity (6) and a second cavity (7), the lower side of the first cavity (6) is communicated with the second cavity (7), a primary thimble plate (8) is movably arranged in the first cavity (6), a secondary thimble plate (9) is movably arranged in the second cavity (7), the upper side of the primary thimble plate (8) is fixedly connected with an ejector sleeve (10), the surface of the ejector sleeve (10) is inserted in the male die (2) in a sliding manner, an ejector sleeve needle (11) is fixedly connected on the secondary thimble plate (9), the surface of the ejector sleeve needle (11) is inserted in the ejector sleeve (10) in a sliding manner, and air paths (12) are formed in two sides of the primary ejector plate (8), and one side of each air path (12) is communicated with the inside of the sleeve (10).

2. The large-undercut soft rubber product air-blowing ejection mold according to claim 1, characterized in that: the upper side of the primary ejector plate (8) is fixedly connected with a first base plate (13), and the sleeve (10) penetrates through the first base plate (13).

3. The large-undercut soft rubber product air-blowing ejection mold according to claim 1, characterized in that: notches (14) are formed in four corners of the upper surface of the male die (2), and the notches (14) are triangular.

4. The large-undercut soft rubber product air-blowing ejection mold according to claim 1, characterized in that: and a second backing plate (15) is fixedly connected to the upper side of the secondary ejector plate (9), and one end of the ejector pin (11) penetrates through the second backing plate (15).

5. The large-undercut soft rubber product air-blowing ejection mold according to claim 1, characterized in that: the male die (2) comprises an upper male die (201) and a lower male die (202), and the lower side of the upper male die (201) is fixedly mounted on the upper side of the lower male die (202) through screws.

6. The large-undercut soft rubber product air-blowing ejection mold according to claim 1, characterized in that: the upper surface of the male die (2) is provided with a rectangular groove (16), and the male die core (3) is fixedly connected inside the rectangular groove (16).