CN210705824U

CN210705824U - Novel demoulding mould back-off mechanism for solving and simplifying mould structure

Info

Publication number: CN210705824U
Application number: CN201921131347.4U
Authority: CN
Inventors: 华方全; 宋元明; 张凯
Original assignee: Shanghai Haitai Auto Parts Co ltd
Current assignee: Shanghai Haitai Auto Parts Co ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-06-09
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a novel demoulding mould back-off mechanism for simplifying mould structure, which comprises a bottom plate, wherein an ejector plate fixing plate is symmetrically arranged at the top end of the bottom plate, an ejector plate is arranged at the top end of the ejector plate fixing plate, an oil cylinder is arranged at the top end of the ejector plate, a button machine is arranged at one side of the oil cylinder and at the top end of the ejector plate, an ejector rod is arranged at one side of the ejector plate and at one side of the oil cylinder, cushion blocks are arranged at two sides of the ejector plate fixing plate, a supporting plate fixing plate is arranged at the top end of the cushion blocks, a supporting plate is arranged at the top end of the supporting plate fixing plate, a movable mould is arranged at the top end of the supporting plate, the inner drawer is provided with a plastic part, the top end of the supporting plate fixing plate and one side of the buckle machine are provided with guide pillars, the guide pillars penetrate through the supporting plate and the movable die, and the top and the bottom of the movable die are provided with guide sleeves. Has the advantages that: the utility model discloses simplify the demoulding structure that a mould was moulded to back-off class, improved the production efficiency that a mould was moulded to back-off class.

Description

Novel demoulding mould back-off mechanism for solving and simplifying mould structure

Technical Field

The utility model relates to an injection mold technical field particularly, relates to a solve novel movable mould back-off mechanism that takes off of simplifying die structure.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. Plain has the name of the parent of the industry.

The structure frequently adopted in the current injection mold comprises a movable mold, an internal drawing plate, an ejecting plate and a bottom plate, and a common back-off type plastic part is a plastic part 16 shown in fig. 5, wherein PL is a parting line, and 17 is a back-off area of the plastic part 16. Because the movable mould surface of the plastic part is provided with the back-off at a plurality of positions and can not be normally demoulded for a long time, a relatively complex demoulding structure needs to be designed. Therefore, the processing workload of the die machine and the difficulty of die assembly are increased, the complex structure of the die directly influences the processing and assembling efficiency of the die and the manufacturing cost of the die, and the complex structure and poor demoulding effect of the traditional demoulding structure.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a specific technical scheme as follows:

a novel demoulding mould back-off mechanism for simplifying the mould structure comprises a bottom plate, wherein ejector plate fixing plates are symmetrically arranged at the top end of the bottom plate, an ejector plate is arranged at the top end of each ejector plate fixing plate, an oil cylinder is arranged at the top end of each ejector plate, a buckling machine is arranged on one side of the oil cylinder and on the top end of each ejector plate, an ejector rod is arranged on one side of the ejector plate and on one side of the oil cylinder, cushion blocks are arranged on two sides of each ejector plate fixing plate, a supporting plate fixing plate is arranged on the top end of each cushion block, a supporting plate is arranged on the top end of each supporting plate fixing plate, a movable mould is arranged on the top end of each supporting plate, a shovel machine is arranged on one side of each movable mould, a T-shaped block is arranged on the top end of the shovel machine, an inner drawer is arranged on one side of each T-shaped block, a plastic part is arranged on the top, and guide sleeves are arranged at the top and the bottom of the movable die.

Furthermore, in order to enable the oil cylinder to drive the ejector plate and the button machine to move, the action of the movable die is limited after the button machine moves for a certain distance, the ejector plate continues to move to drive the ejector rod to eject the plastic part, the demolding structure is simplified, the mold production cost is saved, and the ejector plate is matched with the oil cylinder and the button machine.

Furthermore, in order to enable the limiting groove to be matched with the clamping pin, the clamping pin is pushed to move, the moving die is further limited to move, the clamping pin returns to the initial position under the action of the spring when the die is closed again, the next injection molding is facilitated, the production efficiency of the die is improved, the buckling machine comprises a guide block arranged on the side face of the supporting plate, a sliding block is arranged inside the guide block, the limiting groove is formed in the middle of the sliding block, the clamping pin is arranged in the limiting groove, and the spring is arranged at one end, far away from the limiting groove, of the clamping pin.

Furthermore, in order to limit the degree of freedom of the sliding block and enable the sliding block to move only in the sliding groove, and further guarantee the demolding precision, the sliding groove is arranged in the guide block and matched with the sliding block.

Furthermore, in order to limit the degree of freedom of the movable die, the die assembly precision is guaranteed, and the quality of a plastic part is further guaranteed, the movable die is matched with the guide pillar.

Furthermore, in order to ensure that the inner drawer is pulled by the T-shaped block to be separated from the inverted area of the plastic part and ensure the demoulding efficiency, the T-shaped block is matched with the inner drawer.

The utility model has the advantages that:

(1) the utility model has the advantages of reasonable design, simplified the demoulding structure that a mould was moulded to back-off class, improved the production efficiency that a mould was moulded to back-off class, practiced thrift manufacturing cost.

(2) The ejection plate is matched with the oil cylinder and the button machine, so that the oil cylinder drives the ejection plate to move with the button machine, the action of the movable die is limited after the button machine moves for a certain distance, the ejection plate continues to move to drive the ejector rod to eject a plastic part, the demolding structure is simplified, the mold production cost is saved, and the quality of the plastic part is guaranteed.

(3) Through setting up the spout with the slider cooperatees to restricted the degree of freedom of slider makes it only can move in the spout, and then has guaranteed the precision of drawing of patterns.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is one of the schematic structural diagrams of a novel demolding die reversing mechanism for simplifying the die structure according to an embodiment of the present invention;

fig. 2 is a second schematic structural diagram of a novel releasing die back-off mechanism for simplifying the die structure according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a fastening machine of a novel demolding die reversing mechanism for simplifying a die structure according to an embodiment of the present invention;

fig. 4 is an assembly diagram of a guide block and a slide block of a novel demolding die back-off mechanism for simplifying the die structure according to an embodiment of the invention;

FIG. 5 is a schematic structural view of a reverse-buckled plastic part;

fig. 6 is a third schematic structural diagram of a novel movable mold release reversing mechanism for simplifying the mold structure according to an embodiment of the present invention.

In the figure:

1. a base plate; 2. a knock-out plate fixing plate; 3. ejecting the plate; 4. an oil cylinder; 5. buckling machine; 501. a guide block; 502. a slider; 503. a limiting groove; 504. a bayonet lock; 505. a spring; 506. a chute; 6. a top rod; 7. cushion blocks; 8. a supporting plate fixing plate; 9. a support plate; 10. moving the mold; 11. shoveling; 12. a T-shaped block; 13. internal pumping; 14. a guide post; 15. a guide sleeve; 16. molding; 17. a back-off region.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a solve novel movable mould back-off mechanism that takes off of simplifying die structure.

Referring now to the drawings and the detailed description, as shown in fig. 1-6, a novel demoulding reverse-buckling mechanism for simplifying the structure of a mould according to an embodiment of the present invention comprises a bottom plate 1, wherein a top end of the bottom plate 1 is symmetrically provided with an ejector plate fixing plate 2, a top end of the ejector plate fixing plate 2 is provided with an ejector plate 3, a top end of the ejector plate 3 is provided with an oil cylinder 4, a button machine 5 is arranged at one side of the oil cylinder 4 and at the top end of the ejector plate 3, a top rod 6 is arranged at one side of the ejector plate 3 and at the oil cylinder 4, two sides of the ejector plate fixing plate 2 are provided with cushion blocks 7, a top end of the cushion block 7 is provided with a support plate fixing plate 8, a top end of the support plate fixing plate 8 is provided with a support plate 9, a top end of the support plate 9 is provided with a movable mould 10, one side of the movable mould, the inner drawer 13 is provided with a plastic part 16, a guide post 14 is arranged at the top end of the supporting plate fixing plate 8 and on one side of the button sewing machine 5, the guide post 14 penetrates through the supporting plate 9 and the movable die 10 and extends to the outside of the movable die 10, and the top and the bottom of the movable die 10 are both provided with guide sleeves 15.

By means of the scheme, the structural design is reasonable, the demolding structure of the reverse-buckling type plastic part mold is simplified, the production efficiency of the reverse-buckling type plastic part mold is improved, and the production cost is saved.

In one embodiment, the ejector plate 3 is matched with the oil cylinder 4 and the button machine 5, so that the oil cylinder 4 drives the ejector plate 3 and the button machine 5 to move, the action of the movable mold 10 is limited after the button machine 5 moves for a certain distance, the ejector plate 3 continues to move, the ejector rod 6 is driven to eject a plastic part, the demolding structure is simplified, and the mold production cost is saved.

In one embodiment, the button sewing machine 5 comprises a guide block 501 arranged on the side surface of the supporting plate 9, a sliding block 502 is arranged inside the guide block 501, a limit groove 503 is arranged at the middle position of the sliding block 502, a bayonet 504 is arranged in the limit groove 503, and a spring 505 is arranged at one end of the bayonet 504, which is far away from the limit groove 503, so that the limit groove 503 is matched with the bayonet 504, the bayonet 504 is pushed to move, the moving of the moving die 10 is further limited, when the die is closed again, the bayonet 504 returns to the initial position under the action of the spring 505, the next injection molding is facilitated, and the production efficiency of the die.

In one embodiment, the guide block 501 is provided with a sliding slot 506 therein, and the sliding slot 506 is matched with the sliding block 502, so that the degree of freedom of the sliding block 502 is limited, and the sliding block can only move in the sliding slot 506, thereby ensuring the demolding accuracy.

In one embodiment, the movable mold 10 cooperates with the guide posts 14, thereby limiting the freedom of the movable mold 10, ensuring the mold clamping accuracy and thus the quality of the plastic part 16.

In one embodiment, the T-shaped block 12 is matched with the inner drawer 13, so that the inner drawer 13 is pulled by the T-shaped block 12 to be separated from the inverted area of the plastic part 16, and the demoulding efficiency is ensured.

The working principle is as follows: when the mold is used, after the mold is opened, the oil cylinder 4 drives the ejection plate 3, at the moment, the movable mold 10 and the inner drawer 13 move together, and the inner drawer 13 is separated from the back-off area of the plastic part 16 under the tension action of the T-shaped block 12 because the supporting plate 9, the shoveling machine 11 and the T-shaped block 12 do not move. Under the action of the button machine 5, the movable mold 10 and the internal pump 13 lose the driving force provided by the oil cylinder 4 at the same time to stop moving, the oil cylinder 4 continues to drive the ejector plate 3 to move, the ejector plate 3 pushes the ejector rod 6 to eject the plastic part 16, and the plastic part 16 is taken out manually or by a mechanical hand.

To sum up, with the help of the above technical scheme of the utility model, cooperate through setting up liftout plate 3 and hydro-cylinder 4 and knot machine 5 to make hydro-cylinder 4 drive liftout plate 3 and detain the motion of machine 5, detain the action of restricting movable mould 10 behind one section distance of the motion of machine 5, liftout plate 3 continues to move, drives the ejecting piece 16 of ejector pin 6, and then has simplified demoulding structure, has saved mould manufacturing cost. Through setting up spout 506 and slider 502 to restricted slider 502's degree of freedom, made it only can remove in spout 506, and then guaranteed the precision of drawing of patterns. Through the arrangement of the T-shaped block 12 matched with the inner drawer 13, the inner drawer 13 is pulled by the T-shaped block 12 to be separated from the inverted area of the plastic part, and the demoulding efficiency is ensured. Thereby make structural design reasonable, simplified the demoulding structure of a back-off type mould, improved the production efficiency of a back-off type mould, practiced thrift manufacturing cost.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel demoulding mould back-off mechanism for simplifying the mould structure is characterized by comprising a bottom plate, wherein ejector plate fixing plates are symmetrically arranged at the top end of the bottom plate, an ejector plate is arranged at the top end of each ejector plate fixing plate, an oil cylinder is arranged at the top end of each ejector plate, a buckling machine is arranged at the top end of the ejector plate on one side of the oil cylinder, an ejector rod is arranged at one side of each ejector plate and positioned at one side of the oil cylinder, cushion blocks are arranged at two sides of each ejector plate fixing plate, a supporting plate fixing plate is arranged at the top end of each cushion block, a supporting plate is arranged at the top end of each supporting plate fixing plate, a movable mould is arranged at the top end of each supporting plate, a shovel machine is arranged at one side of the movable mould, a T-shaped block is arranged at the top end of the shovel machine, an inner drawer is arranged at one side, and the guide post penetrates through the supporting plate and the movable die and extends to the outside of the movable die, and guide sleeves are arranged at the top and the bottom of the movable die.

2. The novel demolding type back-off mechanism for simplifying the mold structure as claimed in claim 1, wherein the ejector plate is matched with the oil cylinder and the button machine.

3. The novel demolding type back-off mechanism for simplifying the mold structure is characterized in that the machine comprises a guide block arranged on the side face of the supporting plate, a sliding block is arranged inside the guide block, a limiting groove is formed in the middle of the sliding block, a bayonet lock is arranged in the limiting groove, and a spring is arranged at one end, away from the limiting groove, of the bayonet lock.

4. The novel demolding die reversing mechanism for simplifying the die structure is characterized in that a sliding groove is formed in the guide block, and the sliding groove is matched with the sliding block.

5. The novel moving die back-off mechanism for simplifying the die structure is characterized in that the moving die is matched with the guide pillar according to claim 1.

6. The novel demoulding mould back-off mechanism for simplifying the mould structure is characterized in that the T-shaped block is matched with the inner drawer according to the claim 1.