CN212978941U - Ejector assembly for ejector sleeve of forming die - Google Patents

Abstract

The utility model discloses a forming die department section of thick bamboo liftout subassembly, needle in an department section of thick bamboo overcoat, department cylinder seat and department section of thick bamboo, be provided with inner chamber one in the department cylinder overcoat, be provided with logical groove on department cylinder overcoat both sides wall, department cylinder overcoat lower extreme is provided with department cylinder seat, be provided with in the inner chamber one department section of thick bamboo inner needle, department section of thick bamboo inner needle lower extreme is provided with inner needle seat. Has the advantages that: the utility model discloses a set up logical groove, make the friction area of an department section of thick bamboo overcoat and an interior needle of an department section of thick bamboo reduce, can make the friction temperature of an department section of thick bamboo overcoat and an interior needle of an department section of thick bamboo reduce to a certain extent like this, prevent that an interior needle of an department section of thick bamboo is bloated to the frictional force increase between needle and an department section of thick bamboo overcoat in avoiding an department section of thick bamboo, make an department section of thick bamboo have longer life.

Description

Ejector assembly for ejector sleeve of forming die

Technical Field

The utility model relates to a mould forming technology field, concretely relates to forming die department section of thick bamboo ejection subassembly.

Background

The ejector sleeve is a metal fitting of an ejection device which is used for ejecting the product and is provided with a round through hole or a blind hole on the product, and the glue position is required to be arranged. The ejector sleeve is arranged on the ejector plate, the ejector sleeve needle is arranged on the bottom plate, the ejector sleeve pushes out a glue position coated on the ejector sleeve needle after the mold is opened, and the ejector sleeve and the ejector pin are matched for use and are called an ejector sleeve needle assembly, which is one of plastic mold accessories. In a common mold factory, the old master is called a push pipe.

The friction area between the ejector sleeve outer sleeve of the ejector component of the existing forming die and the inner needle of the ejector sleeve is large, so that the friction temperature between the ejector sleeve outer sleeve and the inner needle of the ejector sleeve is high, the friction force between the ejector sleeve outer sleeve and the inner needle of the ejector sleeve is influenced, and the service life of the ejector sleeve can be shortened.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the forming die ejector sleeve component is provided, and the problems that the friction area between the ejector sleeve outer sleeve of the existing forming die ejector sleeve component and the inner needle of the ejector sleeve is large, the friction temperature between the ejector sleeve outer sleeve and the inner needle of the ejector sleeve is high, the friction force between the ejector sleeve outer sleeve and the inner needle of the ejector sleeve is influenced, and the service life of the ejector sleeve can be shortened are solved.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a forming die department section of thick bamboo liftout subassembly, needle in an department section of thick bamboo overcoat, department cylinder seat and department section of thick bamboo, be provided with inner chamber one in the department cylinder overcoat, be provided with logical groove on department cylinder overcoat both sides wall, department cylinder overcoat lower extreme is provided with department cylinder seat, be provided with in the inner chamber one department section of thick bamboo inner needle, department section of thick bamboo inner needle lower extreme is provided with inner needle seat.

Furthermore, the ejector sleeve seat is formed at the lower end of the ejector sleeve, the through grooves are formed in two side walls of the ejector sleeve, and the outer wall of the ejector sleeve inner needle is in sliding connection with the inner wall of the inner cavity.

Through adopting above-mentioned technical scheme, department's barrel seat department's barrel overcoat and lead to groove integrated into one piece, the setting that leads to the groove can make department's barrel overcoat with the friction area of department's section of thick bamboo inner needle reduces, can make like this department's barrel overcoat with the friction temperature of department's section of thick bamboo inner needle reduces to a certain extent, prevents department's section of thick bamboo inner needle thermal expansion.

Furthermore, the ejector sleeve and the ejector seat are both made of beryllium copper materials, the inner needle seat is formed at the lower end of the inner needle of the ejector sleeve, and a supporting spring is arranged on the periphery of the inner needle of the ejector sleeve at the upper end of the inner needle seat.

By adopting the technical scheme, the ejector sleeve and the ejector seat which are made of beryllium copper materials have high hardness, elastic limit, fatigue limit and wear resistance, and also have good corrosion resistance, thermal conductivity and electrical conductivity, and do not generate sparks when being impacted.

Furthermore, the inner needle of the ejector sleeve and the inner needle seat are both made of beryllium copper materials, the outer wall of the inner needle of the ejector sleeve is connected with the inner wall of the supporting spring in a sliding mode, and the lower end of the supporting spring is in lap joint with the periphery of the upper end of the inner needle seat.

By adopting the technical scheme, the inner needle of the ejector sleeve and the inner needle seat which are made of beryllium copper materials have high hardness, elastic limit, fatigue limit and wear resistance, and also have good corrosion resistance, thermal conductivity and electrical conductivity, do not generate sparks when impacted, and have long service life.

Further, a sleeve is arranged at the upper end of the supporting spring, a second inner cavity is formed in the sleeve, and the inner wall of the second inner cavity is in sliding connection with the outer wall of the inner needle of the ejector sleeve.

By adopting the technical scheme, the sleeve can conveniently slide on the inner needle of the ejector sleeve.

Furthermore, a connecting groove is formed in the middle of the lower end of the sleeve, the upper end of the supporting spring is connected with the sleeve through the connecting groove, and the supporting spring is fixed on the inner needle base through the sleeve in a clamping and pressing mode.

By adopting the technical scheme, the supporting spring supports the sleeve by taking the inner needle base as a support.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

the utility model discloses a set up the logical groove, make the friction area of department's section of thick bamboo overcoat and department's section of thick bamboo inner needle reduce, can make the friction temperature of department's section of thick bamboo overcoat and department's section of thick bamboo inner needle higher for the friction area who solves the department's section of thick bamboo ejection subassembly of current forming die and department's section of thick bamboo inner needle, influence the frictional force between department's section of thick bamboo overcoat and the department's section of thick bamboo inner needle, can make the friction temperature of department's section of thick bamboo overcoat and department's section of thick bamboo inner needle reduce to a certain extent, prevent department's section of thick bamboo inner needle thermal expansion to avoid the increase of the frictional force between department's section of thick bamboo inner needle and department's section of thick bamboo overcoat, make the department's; meanwhile, the arrangement of the supporting spring and the sleeve can shorten the friction stroke of the ejector sleeve outer sleeve and the ejector inner needle, so that the temperature generated by friction between the ejector sleeve outer sleeve and the ejector inner needle is further reduced, and the ejector sleeve is more durable.

Drawings

Fig. 1 is a schematic structural view of a ejector assembly of a forming die of the present invention;

fig. 2 is a schematic structural view of an inner needle and an inner needle seat of a ejector sleeve in an ejector sleeve ejection assembly of a forming die of the present invention;

fig. 3 is a schematic structural view of a sleeve jacket and a sleeve seat in a sleeve ejecting assembly of a forming die according to the present invention;

fig. 4 is a sectional view of a sleeve jacket and a sleeve seat in the sleeve ejecting assembly of the forming die of the present invention;

fig. 5 is a cross-sectional view of a sleeve in a ejector assembly of a forming die.

The reference numerals are explained below:

1. a sleeve is sleeved; 2. a first inner cavity; 3. a through groove; 4. a cylinder seat; 5. an inner needle of the ejector sleeve; 6. an inner needle seat; 7. a support spring; 8. a sleeve; 9. a second inner cavity; 10. and connecting the grooves.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-5, the ejector sleeve ejection assembly of the forming die in this embodiment includes an ejector sleeve jacket 1, an ejector sleeve seat 4, and an ejector sleeve inner needle 5, wherein a first inner cavity 2 is provided in the ejector sleeve jacket 1, through grooves 3 are provided on two side walls of the ejector sleeve jacket 1, the ejector sleeve seat 4 is provided at the lower end of the ejector sleeve jacket 1, the ejector sleeve inner needle 5 is provided in the first inner cavity 2, and an inner needle seat 6 is provided at the lower end of the ejector sleeve inner needle 5.

In this embodiment, department's bobbin base 4 shaping is in 1 lower extreme of department's section of thick bamboo overcoat, it forms on 1 both sides wall of department's bobbin overcoat to lead to groove 3, 5 outer walls of needle and 2 inner wall sliding connection of inner chamber in the department's section of thick bamboo, department's bobbin base 4, department's section of thick bamboo overcoat 1 and lead to groove 3 integrated into one piece, it can make department's section of thick bamboo overcoat 1 and department's section of thick bamboo in the friction area of needle 5 reduce to a certain extent to lead to the setting of groove 3, the friction temperature that can make department's section of thick bamboo overcoat 1 and department's section of thick bamboo in needle 5 reduces like this, prevent department's section of thick bamboo in needle 5 thermal expansion, in.

In this embodiment, the ejector sleeve 1 and the ejector sleeve seat 4 are both made of beryllium copper, the inner needle seat 6 is formed at the lower end of the ejector inner needle 5, the supporting spring 7 is arranged on the periphery of the ejector inner needle 5 at the upper end of the inner needle seat 6, and the ejector sleeve 1 and the ejector sleeve seat 4 made of beryllium copper have high hardness, elastic limit, fatigue limit and wear resistance, good corrosion resistance, thermal conductivity and electrical conductivity, do not generate sparks when impacted, and have long service life.

In this embodiment, the inner needle 5 and the inner needle seat 6 of the ejector sleeve are both made of beryllium copper, the outer wall of the inner needle 5 of the ejector sleeve is in sliding connection with the inner wall of the supporting spring 7, the lower end of the supporting spring 7 is in peripheral lap joint with the upper end of the inner needle seat 6, the inner needle 5 and the inner needle seat 6 made of beryllium copper have high hardness, elastic limit, fatigue limit and wear resistance, and further have good corrosion resistance, thermal conductivity and electrical conductivity, no spark is generated when impacted, the service life is long, and the supporting spring 7 can be conveniently separated from and assembled with the inner needle seat 6 and the inner needle 5 of the ejector sleeve.

In this embodiment, supporting spring 7 upper end is provided with sleeve 8, and the shaping has two inner chambers 9 in the sleeve 8, and two 9 inner walls of inner chamber and the 5 outer wall sliding connection of needle in the department section of thick bamboo, sleeve 8 can be in the department section of thick bamboo convenient on the needle 5 slide, sleeve 8 can with the convenient separation of department section of thick bamboo inner needle 5, equipment.

In this embodiment, sleeve 8 lower extreme middle part shaping has spread groove 10, and supporting spring 7 upper end is connected through spread groove 10 with sleeve 8, and sleeve 8 is fixed supporting spring 7 on interior needle file 6 with the mode of card pressure, and supporting spring 7 supports sleeve 8 for depending on by interior needle file 6 to make sleeve 8 support the thimble board.

The specific implementation process of this embodiment is as follows: when the ejector sleeve is used, the inner needle 5 of the ejector sleeve is fixed on the movable die fixing plate through the inner needle base 6 by a headless screw, then the ejector sleeve jacket 1 is positioned at the upper end of the ejector plate, the supporting spring 7 is separated from the inner needle base 6, and the sleeve 8 and the supporting spring 7 are positioned between the ejector plate and the movable die fixing plate, so that the supporting spring 7 and the sleeve 8 can shorten the formation of the ejector sleeve jacket 1, the problem that the temperature is higher due to the fact that the friction stroke of the ejector sleeve jacket 1 and the inner needle 5 of the ejector sleeve is larger is avoided, meanwhile, the friction area between the ejector sleeve jacket 1 and the inner needle 5 of the ejector sleeve can be reduced due to the arrangement of the through grooves 3, the friction temperature of the ejector sleeve jacket 1 and the inner needle 5 of the ejector sleeve can be further reduced to a certain extent, the inner needle 5 of the ejector sleeve is prevented from being thermally expanded, the friction force between the ejector sleeve inner needle 5 and the ejector sleeve jacket 1 is prevented from being.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims (6)

1. A forming die cylinder ejector assembly, characterized in that: it comprises a cylinder jacket (1), a cylinder seat (4) and an inner needle (5) of the cylinder, and the cylinder outer (1) is provided with a Inner cavity one (2), through grooves (3) are provided on both side walls of the sleeve casing (1), the sleeve seat (4) is arranged at the lower end of the sleeve sleeve (1), and the inner The cavity one (2) is provided with the inner needle (5) in the cylinder, and an inner needle seat (6) is arranged at the lower end of the inner needle (5) in the cylinder. 2. A forming die cylinder ejection assembly according to claim 1, characterized in that: the cylinder seat (4) is formed on the lower end of the cylinder jacket (1), and the through groove (3) It is formed on the two side walls of the sleeve casing (1), and the outer wall of the inner needle (5) of the sleeve is slidably connected with the inner wall of the inner cavity one (2). 3. A molding die cylinder ejection assembly according to claim 2, characterized in that: the cylinder outer cover (1) and the cylinder seat (4) are both made of beryllium copper material, and the The inner needle seat (6) is formed on the lower end of the inner needle (5) of the cylinder, and a support spring (7) is provided on the periphery of the inner needle (5) of the cylinder at the upper end of the inner needle seat (6). 4. A molding die cylinder ejection assembly according to claim 3, characterized in that: the inner needle (5) of the cylinder and the inner needle seat (6) are made of beryllium copper material, so The outer wall of the inner needle (5) of the cylinder is slidably connected with the inner wall of the supporting spring (7), and the lower end of the supporting spring (7) overlaps with the outer periphery of the upper end of the inner needle seat (6). 5. A forming die cylinder ejection assembly according to claim 4, characterized in that: a sleeve (8) is provided at the upper end of the support spring (7), and an inner sleeve (8) is formed in the sleeve (8). The second cavity (9), the inner wall of the second inner cavity (9) is slidably connected with the outer wall of the inner needle (5) of the cylinder. 6. A forming die cylinder ejection assembly according to claim 5, characterized in that: a connecting groove (10) is formed in the middle of the lower end of the sleeve (8), and the upper end of the support spring (7) is connected to the The sleeve (8) is connected through the connecting groove (10), and the sleeve (8) fixes the support spring (7) on the inner needle seat (6) in a clamping manner.

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