CN216992872U

CN216992872U - Low adhesion injection mold mechanism of loosing core

Info

Publication number: CN216992872U
Application number: CN202220310954.2U
Authority: CN
Inventors: 吴强; 程晨; 吴晨飞
Original assignee: Shenzhen Taidelong Electronic Technology Co ltd
Current assignee: Shenzhen Taidelong Electronic Technology Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-07-19
Anticipated expiration: 2032-02-16

Abstract

The utility model relates to the technical field of injection molds, in particular to a core pulling mechanism of a low-adhesion injection mold, which comprises a bottom plate, wherein a first supporting plate is fixedly arranged on one side of the upper surface of the bottom plate, a second supporting plate is fixedly arranged on the other side of the upper surface of the bottom plate, a hydraulic cylinder is fixedly arranged on one side of the first supporting plate close to the second supporting plate, an injection molding hole is formed in the second supporting plate, a core column is arranged on the second supporting plate through a core pulling assembly, and the core column is arranged in the core hole. Therefore, the core pulling effect can be achieved, and the core pulling process of the device is simple and convenient, and the molding efficiency is improved.

Description

Low adhesion injection mold mechanism of loosing core

Technical Field

The utility model relates to the technical field of injection molds, in particular to a core-pulling mechanism of a low-adhesion injection mold.

Background

With the wide application of plastic products, the mold technology is rapidly developed, and the mold design and the mold manufacture are obviously improved. Wherein, the prior injection mold comprises a plastic mold which adopts an external core-pulling mode and an internal core-pulling mode, such as the plastic mold with a slide block core-pulling mechanism provided by the patent with the application number of CN201220180769.2, and comprises a casting system, a fixed mold, a movable mold, a mold core and the slide block core-pulling mechanism positioned between the movable mold and the fixed mold, the fixed die comprises a fixed die plate and a fixed die core, the movable die comprises a movable die plate, a movable die core, a push plate and a beating rod, the die core comprises a die core and a die cavity, the fixed die core and the movable die core form the die cavity together when the die is closed, the sliding block core-pulling mechanism comprises a main sliding block, an auxiliary sliding block, a sliding block seat and an oil cylinder, the sliding block seat is fixed on the movable template, the main sliding block is connected with the sliding block seat in a sliding mode, the oil cylinder is located outside the die and connected with the main sliding block, and the main sliding block is connected with the auxiliary sliding block in a sliding mode. The utility model discloses a realized improving product quality.

However, according to the technical scheme, the process of core pulling of the mold is complex, the manufacturing cost is high, an additional driving assembly is needed to drive the core pulling structure to work, and the core pulling efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a core-pulling mechanism of a low-adhesion injection mold, which can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model adopts the technical scheme that:

low adhesion injection mold mechanism of loosing core, comprising a base plate, bottom plate upper surface one side fixed mounting has first backup pad, bottom plate upper surface opposite side fixed mounting has the second backup pad, one side fixed mounting that first backup pad is close to the second backup pad has the pneumatic cylinder, pneumatic cylinder output end fixed mounting has the baffle, the one side that the second backup pad is close to first backup pad is provided with the mould groove, set up the hole of moulding plastics in the second backup pad, the hole of moulding plastics is connected with the mould groove, the second backup pad is installed the stem through the subassembly of loosing core, mould inslot portion surface is provided with the core hole, the stem sets up at the downthehole portion of core.

Preferably, a sealing groove is formed in the second support plate and is formed in the side face of the die groove.

Preferably, one surface of the baffle plate, which is close to the second support plate, is provided with a sealing block, and the sealing block is arranged in the sealing groove.

Preferably, the core pulling assembly comprises a limiting groove and a second limiting block, the limiting groove is formed in one face, close to the first supporting plate, of the second supporting plate, a sliding groove is formed in the inner wall of the limiting groove, and the second limiting block is installed on one face, close to the second supporting plate, of the baffle.

Preferably, slidable mounting has first stopper on the spacing inslot wall, first stopper is connected with the cooperation of second stopper, fixed mounting has the spring on the first stopper, spring one end sets up on spacing inslot wall.

Preferably, the core column is fixedly mounted on the first limiting block.

Preferably, the sliding blocks are installed on two sides of the first limiting block and are slidably installed inside the sliding groove.

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

(1) when the baffle is attached to the surface of the second support plate, the second limit block can be contacted with the first limit block, because the second limit block and the first limit block are both provided with curved surfaces, the first limit block can be moved upwards, so that the core column can be moved upwards to the inside of the mold groove, raw materials can be injected into the mold groove through the injection molding hole at the moment, because the core column is arranged in the mold groove, the side surface of the mold can be punched, after the mold is cooled and formed, the baffle can be separated from the surface of the second support plate through resetting of the output end of the hydraulic cylinder, the second limit block can be separated from the first limit block, at the moment, the first limit block can be reset through the elasticity of the spring, so that the core column can be reset, the core pulling effect can be achieved, the core pulling process of the device is simple and convenient, the efficiency is high, and no other driving machine is needed, the molding efficiency is improved.

(2) Through setting up sealed piece inside the seal groove to can increase the leakproofness between baffle and the second backup pad, through with slider slidable mounting inside the spout, can increase the stability of first stopper in the spacing inslot portion, can make more stable the removing of first stopper.

Drawings

FIG. 1 is a schematic view of the overall structure of the core-pulling mechanism of the low-adhesion injection mold of the present invention;

FIG. 2 is a schematic side view of the core-pulling mechanism of the low-adhesion injection mold according to the present invention;

FIG. 3 is a schematic diagram of a second supporting plate structure of the core-pulling mechanism of the low-adhesion injection mold according to the present invention;

FIG. 4 is a schematic view of a first stopper structure of the low-adhesion injection mold core-pulling mechanism according to the present invention.

In the figure: 1. a base plate; 2. a first support plate; 3. a hydraulic cylinder; 4. a baffle plate; 5. injection molding holes; 6. a second support plate; 7. a sealing groove; 8. a mold slot; 9. a stem; 10. a core pulling assembly; 1001. a spring; 1002. a chute; 1003. a first stopper; 1004. a limiting groove; 1005. a second limiting block; 1006. a slider; 11. a sealing block; 12. and (4) core holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1 to 4, low adhesion injection mold mechanism of loosing core, including

bottom plate

1, 1 upper surface one side fixed mounting of bottom plate has

first backup pad

2, 1 upper surface opposite side fixed mounting of bottom plate has second backup pad 6, one side fixed mounting that first backup pad 2 is close to second backup pad 6 has pneumatic cylinder 3, pneumatic cylinder 3 output end fixed mounting has baffle 4, the one side that second backup pad 6 is close to first backup pad 2 is provided with mould groove 8, set up injection molding hole 5 in the second backup pad 6, injection molding hole 5 is connected with mould groove 8, second backup pad 6 installs stem 9 through the subassembly of loosing

core

10, 8 internal surfaces in mould groove are provided with core hole 12, stem 9 sets up inside core hole 12.

It can be understood that the second support plate 6 is provided with the sealing groove 7, the sealing groove 7 is arranged on the side of the mold groove 8, the side of the baffle plate 4 close to the second support plate 6 is provided with the sealing block 11, the sealing block 11 is arranged in the sealing groove 7, and the sealing performance between the baffle plate 4 and the second support plate 6 can be increased by arranging the sealing block 11 in the sealing groove 7.

It should be noted that the core pulling assembly 10 includes a limiting groove 1004 and a second limiting block 1005, the limiting groove 1004 is disposed on one side of the second supporting plate 6 close to the first supporting plate 2, a sliding groove 1002 is disposed on an inner wall of the limiting groove 1004, the second limiting block 1005 is mounted on one side of the baffle 4 close to the second supporting plate 6, a first limiting block 1003 is slidably mounted on the inner wall of the limiting groove 1004, the first limiting block 1003 is connected with the second limiting block 1005 in a matching manner, a spring 1003 is fixedly mounted on the first limiting block 1003, one end of the spring 1001 is disposed on the inner wall of the limiting groove 1004, the core column 9 is fixedly mounted on the first limiting block 1003, sliding blocks 1006 are mounted on two sides of the first limiting block 1003, the sliding blocks 1006 are slidably mounted inside the sliding groove 1002, and when the baffle 4 is attached to the surface of the second supporting plate 6, the second limiting block 1005 is in contact with the first limiting block 1003, because all be provided with the curved surface on second stopper 1005 and the first stopper 1003, thereby can make first stopper 1003 upwards remove, thereby make stem 9 rebound inside mould groove 8, can pour into the raw materials into to mould groove 8 inside through injection hole 5 this moment, thereby because stem 9 sets up the effect of punching to the side of mould can be played inside mould groove 8 to stem 9, after touch the mould cooling shaping, reset through pneumatic cylinder 3 output, thereby can break away from baffle 4 second backup pad 6 surface, second stopper 1005 also can break away from first stopper 1003, elasticity through spring 1001 this moment, thereby can let first stopper 1003 reset, thereby make stem 9 reset, thereby can reach the effect of loosing core.

The working principle of the low-adhesion injection mold core-pulling mechanism is as follows:

when the mould is used, firstly, the baffle 4 can be driven to move by moving the output end of the hydraulic cylinder 3, when the baffle 4 is tightly attached to the surface of the second support plate 6, the mould groove 8 can be blocked, and when the baffle 4 is attached to the surface of the second support plate 6, the second limit block 1005 can be contacted with the first limit block 1003, because the second limit block 1005 and the first limit block 1003 are both provided with curved surfaces, the first limit block 1003 can be moved upwards, so that the core column 9 can be moved upwards into the mould groove 8, at the moment, raw materials can be injected into the mould groove 8 through the injection molding hole 5, because the core column 9 is arranged inside the mould groove 8, the side surface of the mould can be punched, after the mould is cooled and formed, the baffle 4 can be reset by the output end of the hydraulic cylinder 3, so that the baffle 4 can be separated from the surface of the second support plate 6, second stopper 1005 also can break away from first stopper 1003, pass through the elasticity of spring 1001 this moment, thereby can let first stopper 1003 reset, thereby make stem 9 reset, thereby can reach the effect of loosing core, the process of loosing core of this device is simple and convenient, high efficiency, need not use other drive machine again, the molding efficiency has been improved, through setting up sealed piece 11 inside seal groove 7, thereby can increase the leakproofness between baffle 4 and the second backup pad 6, through with slider 1006 slidable mounting inside spout 1002, can increase the stability of first stopper 1003 in the inside of spacing groove 1004, can make the more stable removal of first stopper 1003.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Low adhesion injection mold mechanism of loosing core, including bottom plate (1), its characterized in that: bottom plate (1) upper surface one side fixed mounting has first backup pad (2), bottom plate (1) upper surface opposite side fixed mounting has second backup pad (6), one side fixed mounting that first backup pad (2) are close to second backup pad (6) has pneumatic cylinder (3), pneumatic cylinder (3) output end fixed mounting has baffle (4), the one side that second backup pad (6) are close to first backup pad (2) is provided with mould groove (8), set up injection molding hole (5) on second backup pad (6), injection molding hole (5) are connected with mould groove (8), stem (9) are installed through subassembly (10) of loosing core in second backup pad (6), mould groove (8) internal surface is provided with core hole (12), stem (9) set up inside core hole (12).

2. The low adhesion injection mold core pulling mechanism of claim 1, wherein: and a sealing groove (7) is formed in the second supporting plate (6), and the sealing groove (7) is formed in the side surface of the die groove (8).

3. The low adhesion injection mold core pulling mechanism of claim 1, wherein: one side of the baffle (4) close to the second supporting plate (6) is provided with a sealing block (11), and the sealing block (11) is arranged on the sealing groove (7).

4. The low adhesion injection mold core pulling mechanism of claim 1, wherein: the core pulling assembly (10) comprises a limiting groove (1004) and a second limiting block (1005), wherein the limiting groove (1004) is arranged on one surface, close to the first supporting plate (2), of the second supporting plate (6), a sliding groove (1002) is formed in the inner wall of the limiting groove (1004), and the second limiting block (1005) is arranged on one surface, close to the second supporting plate (6), of the baffle (4).

5. The low adhesion injection mold core-pulling mechanism of claim 4, wherein: the inner wall of the limiting groove (1004) is provided with a first limiting block (1003) in a sliding mode, the first limiting block (1003) is connected with a second limiting block (1005) in a matched mode, a spring (1001) is fixedly mounted on the first limiting block (1003), and one end of the spring (1001) is arranged on the inner wall of the limiting groove (1004).

6. The low adhesion injection mold core pulling mechanism of claim 1, wherein: the core column (9) is fixedly arranged on the first limiting block (1003).

7. The low adhesion injection mold core pulling mechanism of claim 5, wherein: slider (1006) are installed to first stopper (1003) both sides, slider (1006) slidable mounting is inside spout (1002).