CN214239355U

CN214239355U - Plastic mould with prevent front mould bullet piece inefficacy structure

Info

Publication number: CN214239355U
Application number: CN202021765164.0U
Authority: CN
Inventors: 李光义
Original assignee: Shenzhen Dongchuang Technology Co Ltd
Current assignee: Shenzhen Dongchuang Technology Co Ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-09-21
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a plastic mould with prevent front mould bullet piece inefficacy structure, including movable mould bedplate and movable mould board, movable mould bedplate bottom surface is equipped with the movable mould board, is equipped with the spring in the movable mould board, is equipped with movable mould benevolence in the movable mould board, is equipped with bullet piece mold insert in the movable mould benevolence, and bullet piece mold insert is located the below of spring; a fixed die plate is arranged below the movable die plate, a fixed die core is arranged in the fixed die plate, a pin fixing seat is arranged on the top surface of the fixed die core, a screw is arranged in the fixed die core, a pin is arranged in the pin fixing seat and is in threaded connection with the screw, and a plastic product is arranged on the right side of the pin fixing seat; when the mold is closed, the fixed mold plate presses the elastic block insert in the movable mold plate back to reset, meanwhile, the pin is locked like a door bolt and is buckled with the elastic block insert in the movable mold plate, and when the mold is opened, the pin can buckle the elastic block insert and is matched with the spring to pull and push the elastic block insert downwards, so that a plastic part is taken out; the appearance defect of the product caused by the reduction or failure of the elastic force of the spring due to the influence of the temperature of the die is avoided, and the service life of the spring is prolonged.

Description

Plastic mould with prevent front mould bullet piece inefficacy structure

Technical Field

The utility model relates to a plastic mould field especially relates to a plastic mould with prevent front mould bullet piece inefficacy structure.

Background

Most of mold factories at present basically design the elastic block structure on the mold when encountering the product structure with deep front mold glue position, when the mold is opened, the elastic block simultaneously causes an outward thrust to the product, so that the bone position is separated from the package of the front mold when the mold is opened, and the insert is pushed downwards by the elasticity of the spring, thereby ensuring that the product is smoothly discharged from the mold. However, the spring has a service life or quality in the manufacturing process of the spring, and the spring belongs to a steel product, and the influence of the temperature of the die causes the reduction or failure of the elastic force, so that the appearance defects of sticking, dragging, deformation, whitening and the like of the product are caused.

The device is specially designed for the appearance defects of deep front mold glue position, difficult mold stripping or dragging and deformation of the plastic mold, and is used for preventing the front mold elastic block from losing efficacy.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a plastic mould with a structure for preventing a front mould elastic block from losing efficacy, which has the effect of preventing the plastic mould with the structure for preventing the front mould elastic block from losing efficacy, a fixed template presses back an elastic block insert in a movable template to reset during mould closing, a pin is locked like a bolt and is buckled with the elastic block insert in the movable template, the elastic block is pasted with a horizontal movable mould core, the pin can be buckled with the elastic block insert to be matched with a spring to pull and push the elastic block insert downwards during mould opening, so that the elastic block insert is popped out, and a plastic part is taken out; the appearance defects of sticking, dragging, deformation, whitening and the like of the product caused by the reduction or failure of the elasticity of the spring due to the influence of the temperature of the die are avoided, and the service life of the spring is prolonged.

In order to solve the technical problem, the utility model provides a following technical scheme: the spring die comprises a moving die base plate and a moving die plate, wherein the moving die plate is arranged on the bottom surface of the moving die base plate, a spring is arranged in the moving die plate, a moving die core is arranged in the moving die plate, an elastic block insert is arranged in the moving die core, and the elastic block insert is positioned right below the spring; the improved fixed die is characterized in that a fixed die plate is arranged under the movable die plate, a fixed die core is arranged in the fixed die plate, a pin fixing seat is arranged on the top surface of the fixed die core, a pin is arranged in the pin fixing seat, a screw is arranged in the fixed die core, the screw is in threaded connection with the pin fixing seat, and a plastic product is arranged on the right side of the pin fixing seat.

As a preferred technical scheme of the utility model, the bottom surface of the fixed die plate is provided with two supporting blocks which are distributed in a left-right mirror image manner, the bottom end of each supporting block is provided with a fixed die base plate, the top surface of the fixed die base plate is provided with a lower ejector plate, and the top surface of the lower ejector plate is provided with an upper ejector plate; the top surface of the movable mold base plate is provided with a sprue, a sprue sleeve is arranged around the sprue, a thimble is arranged in the lower ejector plate, a guide sleeve is arranged in the movable mold plate, a guide pillar is arranged in the fixed mold plate, and a return spring is arranged in the guide sleeve.

As an optimal technical scheme of the utility model, four corners of movable mould bedplate are equipped with the screw, movable mould board passes through screw fixed connection with the movable mould bedplate.

As an optimized technical scheme of the utility model, set up the reference column between movable mould board and cover half board.

As an optimized technical scheme of the utility model, the cover half bedplate sets up anti-skidding rubber pad.

As a preferred technical scheme of the utility model, set up the fixed pin down on the liftout inboard, go up the liftout plate and pass through fixed pin fixed connection with lower liftout plate.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. when the mold is closed, the fixed mold plate presses back the elastic block insert in the movable mold plate to reset, meanwhile, the pin is locked like a bolt and is buckled with the elastic block insert in the movable mold plate, the elastic block is attached to the movable mold core, and when the mold is opened, the pin can buckle the elastic block insert to be matched with the spring to pull and push the elastic block insert downwards, so that the elastic block insert is popped out, and a plastic part is taken out; the appearance defects of product sticking, dragging, deformation, whitening and the like caused by the reduction or failure of the elasticity of the spring due to the influence of the temperature of the die are avoided, and the service life of the spring is prolonged;

2. the lower ejector plate drives the ejector pins to eject the movable mould plate to take out the plastic product, the ejector pins reset after the plastic product is taken out, and the guide columns drive the movable mould plate to reset to close the mould without manually opening and closing the mould.

Drawings

Fig. 1 is a closed view of the mold of the present invention;

FIG. 2 is a drawing of the mold opening of the present invention;

fig. 3 is a completed drawing of the mold opening of the present invention;

fig. 4 is a top view of the mold of the present invention;

wherein: 1. a spring; 2. a spring block insert; 3. plastic products; 4. a pin; 5. a pin fixing seat; 6. a screw; 7. a movable mould seat plate; 8. moving the template; 9. a movable mould core; 10. fixing a template; 11. a support block; 12. a fixed die base plate; 13. a lower ejector plate; 14. lifting the top plate; 15. fixing a mold core; 16. a screw; 17. a sprue bush; 18. and a gate.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1, the utility model provides a, including movable mold bedplate 7 and movable mold plate 8, the bottom surface of movable mold bedplate 7 is provided with movable mold plate 8, spring 1 is arranged in movable mold plate 8, movable mold core 9 is arranged in movable mold plate 8, elastic block insert 2 is arranged in movable mold core 9, elastic block insert 2 is located under spring 1; a fixed die plate 10 is arranged right below the movable die plate 8, a fixed die core 15 is arranged in the fixed die plate 10, a pin fixing seat 5 is arranged on the top surface of the fixed die core 15, a pin 4 is arranged in the pin fixing seat 5, a screw 6 is arranged in the fixed die core 15, the screw 6 is in threaded connection with the pin fixing seat 5, and a plastic product 3 is arranged on the right side of the pin fixing seat 5; when the die is closed, the fixed die plate 10 presses the elastic block insert 2 in the movable die plate back to reset, meanwhile, the pin 4 is locked like a bolt and is buckled with the elastic block insert 2 in the movable die plate 8, the elastic block insert 2 is flatly attached to the movable die core 9, when the die is opened, the pin 4 can buckle the elastic block insert 2 to be matched with the spring 1 to pull and push the elastic block insert 2 downwards, so that the elastic block insert 2 is ejected, and the plastic product 3 is taken out; the appearance defects of sticking, dragging, deformation, whitening and the like of the product caused by the reduction or failure of the elasticity of the spring due to the influence of the temperature of the die are avoided, and the service life of the spring is prolonged.

In another embodiment, as shown in fig. 1, the embodiment discloses that the bottom surface of the fixed die plate 10 is provided with two supporting blocks 11 which are distributed in a left-right mirror image manner, the bottom end of each supporting block 11 is provided with a fixed die base plate 12, the top surface of the fixed die base plate 12 is provided with a lower ejector plate 13, and the top surface of the lower ejector plate 13 is provided with an upper ejector plate 14; a sprue 18 is arranged on the top surface of the movable mold seat plate 7, a sprue sleeve 17 is arranged around the sprue 18, an ejector pin is arranged in the lower ejector plate 13, a guide sleeve is arranged in the movable mold plate 8, a guide pillar is arranged in the fixed mold plate 10, and a return spring is arranged in the guide sleeve; the lower ejector plate 13 drives the ejector pins to eject the movable mold plate 10 out to take out the plastic product 3, the ejector pins reset after being taken out, and the guide columns drive the movable mold plate 10 to reset to close the mold without manually opening and closing the mold.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a plastic mould with prevent preceding mould elastic block inefficacy structure, includes movable mould bedplate (7) and movable mould board (8), the bottom surface of movable mould bedplate (7) is equipped with movable mould board (8), its characterized in that: a spring (1) is arranged in the movable template (8), a movable mold core (9) is arranged in the movable template (8), an elastic block insert (2) is arranged in the movable mold core (9), and the elastic block insert (2) is positioned right below the spring (1); the novel plastic injection molding machine is characterized in that a fixed template (10) is arranged under the movable template (8), a fixed mold core (15) is arranged in the fixed template (10), a pin fixing seat (5) is arranged on the top surface of the fixed mold core (15), a pin (4) is arranged in the pin fixing seat (5), a screw (6) is arranged in the fixed mold core (15), the screw (6) is in threaded connection with the pin fixing seat (5), and a plastic product (3) is arranged on the right side of the pin fixing seat (5).

2. The plastic mold with a structure for preventing the failure of the front mold elastic block as claimed in claim 1, wherein: the bottom surface of the fixed die plate (10) is provided with two supporting blocks (11) which are distributed in a left-right mirror image manner, the bottom end of each supporting block (11) is provided with a fixed die base plate (12), the top surface of each fixed die base plate (12) is provided with a lower ejector plate (13), and the top surface of each lower ejector plate (13) is provided with an upper ejector plate (14); the top surface of the movable mold base plate (7) is provided with a pouring gate (18), a pouring gate sleeve (17) is arranged around the pouring gate (18), a thimble is arranged in the lower ejector plate (13), a guide sleeve is arranged in the movable mold plate (8), a guide pillar is arranged in the fixed mold plate (10), and a reset spring is arranged in the guide sleeve.

3. The plastic mold with a structure for preventing the failure of the front mold elastic block as claimed in claim 1, wherein: four corners of the movable mold base plate (7) are provided with screws (16), and the movable mold plate (8) is fixedly connected with the movable mold base plate (7) through the screws (16).

4. The plastic mold with a structure for preventing the failure of the front mold elastic block as claimed in claim 1, wherein: and a positioning column is arranged between the movable template (8) and the fixed template (10).

5. The plastic mold with a structure for preventing the failure of the front mold elastic block as claimed in claim 2, wherein: the fixed die base plate (12) is provided with an anti-skidding rubber pad.

6. The plastic mold with a structure for preventing the failure of the front mold elastic block as claimed in claim 2, wherein: the lower ejector plate (13) is internally provided with a fixed pin, and the upper ejector plate (14) is fixedly connected with the lower ejector plate (13) through the fixed pin.