CN217257994U

CN217257994U - Plastic mould with quick demoulding structure

Info

Publication number: CN217257994U
Application number: CN202220280135.8U
Authority: CN
Inventors: 肖勇根; 李文哲; 申光华
Original assignee: Guizhou Lejia Wenchuang Technology Co ltd
Current assignee: Guizhou Lejia Wenchuang Technology Co ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-08-23
Anticipated expiration: 2032-02-11

Abstract

The utility model discloses a plastic mould with a rapid demoulding structure, which comprises a female die, wherein the bottom of the female die is provided with a lifting groove, two sides of the bottom of an inner cavity of the lifting groove are both fixedly connected with an ejection mechanism, two sides of the top of the lifting groove are both provided with guide grooves, the top of each guide groove is fixedly connected with a guide spring, the bottom of each guide spring is fixedly connected with a guide block, the opposite sides of the two guide blocks are respectively and fixedly connected with two ends of a lifting plate, the middle part of the top end of the female die is provided with a forming groove, the bottom of the inner cavity of the forming groove is equidistantly inserted with a plurality of thimbles, the top ends of the plurality of thimbles are all fixedly connected with the bottom of a top plate, the bottom ends of the plurality of thimbles are all fixedly connected with the top of the lifting plate, one side of the top of the female die is articulated with a male die, the top end of the male die is inserted with an injection pipe, the inner wall of the injection pipe is wound with an electric heating wire, the plastic mould with the rapid demoulding structure, the material that will become the shaping groove inner chamber is ejecting, conveniently gets the material and prevents that the material from blockking up the heat pipe.

Description

Plastic mould with quick demoulding structure

Technical Field

The utility model relates to a plastic mould technical field specifically is a plastic mould with quick demoulding structure.

Background

The plastic mold is a short name for a combined mold used for compression molding, extrusion molding, injection, blow molding and low-foaming molding. The coordination change of the male die, the female die and the auxiliary forming system of the die can process a series of plastic parts with different shapes and sizes.

The existing plastic molds also have new requirements in the using process, one of which is: after the existing plastic mold is cooled and formed, a product is not easy to take out of the mold; the second step is as follows: the material cooled by the existing mold is easy to block an injection molding pipe, so that the injection molding is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a plastic mould with a quick demoulding structure, which solves the problem that the product is not easy to be taken out of the mould after the material is cooled and formed in the prior plastic mould proposed in the background art; the problem that the injection molding pipe is easily blocked by cooled materials of the existing mold, so that the injection molding is very inconvenient is caused.

In order to achieve the above object, the utility model provides a following technical scheme: a plastic mould with a rapid demoulding structure comprises a female mould, wherein a lifting groove is formed in the bottom of the female mould, ejection mechanisms are fixedly connected to two sides of the bottom of an inner cavity of the lifting groove, guide grooves are formed in two sides of the top of the lifting groove, a guide spring is fixedly connected to the top of each guide groove, guide blocks are fixedly connected to the bottom ends of the guide springs, opposite sides of the two guide blocks are respectively fixedly connected with two ends of a lifting plate, a forming groove is formed in the middle of the top end of the female mould, a plurality of thimbles are inserted into the bottom of the inner cavity of the forming groove at equal intervals, the top ends of the thimbles are fixedly connected to the bottom of a top plate, the bottom ends of the thimbles are fixedly connected to the top of the lifting plate, a male mould is hinged to one side of the top of the female mould, an injection pipe is inserted into the top end of the male mould, and an electric heating wire is wound on the inner wall of the injection pipe, the surface cladding of electric heating wire has the heat pipe, ejection mechanism includes hollow section of thick bamboo, return spring, limiting plate, telescopic link, connector and air discharge duct.

Preferably, four equal fixedly connected with supporting legs in corner of die bottom, the bottom of supporting leg bonds there is the slipmat, and the supporting leg supports the die, and the slipmat carries out the antiskid to the supporting leg.

Preferably, the inner chamber fixedly connected with return spring of hollow section of thick bamboo, return spring's top fixedly connected with limiting plate, the top fixedly connected with telescopic link of limiting plate, the top of telescopic link is passed hollow section of thick bamboo and is extended to the outside, drives the lift of telescopic link through the lift of limiting plate, and return spring is used for the return of limiting plate.

Preferably, one side of the bottom of the hollow cylinder is fixedly communicated with a connector, one end of the connector is fixedly communicated with an air inlet pipe, the opposite ends of the two air inlet pipes are respectively and fixedly communicated with a first through and a second through of the three-way pipe, a third through of the three-way pipe penetrates through the female die to extend to the outside, and air is supplied to the inner cavity of the hollow cylinder through the three-way pipe.

Preferably, a sealing sleeve is sleeved at the joint of the ejector pin and the female die to seal the joint of the ejector pin and the female die.

Preferably, the front surface of the female die is fixedly provided with a switch button, and the electric heating wire is electrically connected with an external power supply through the switch button.

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

at first, the inner chamber of the shaping groove is injected with the molten material through the injection pipe, then after the material is cooled and shaped, the male die is opened, and the inner chamber of the hollow cylinder is pressurized through the three-way pipe, after the inner chamber of the hollow cylinder is pressurized, the limiting plate and the telescopic rod are upwards pushed, the upward movement of the telescopic rod drives the upward movement of the lifting plate and the ejector pin, the upward movement of the ejector pin drives the upward movement of the top plate, so that the material shaped in the inner chamber of the shaping groove is ejected out, the material is conveniently taken, when the excessive material is bonded on the inner wall of the heat conducting pipe, at the moment, the electric heating wire is opened, the electric heating wire heats the heat conducting pipe, the solidified material is melted after the heat conducting pipe is heated, and the material is prevented from blocking the heat conducting pipe.

Drawings

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

FIG. 2 is a sectional view of the female die of the present invention;

FIG. 3 is an enlarged view of part A of the present invention;

fig. 4 is a cross-sectional view of the top mechanism of the present invention;

fig. 5 is a cross-sectional view of the top mechanism of the present invention.

In the figure: 1. a female die; 2. a lifting groove; 3. an ejection mechanism; 4. a guide groove; 5. a guide spring; 6. A guide block; 7. a lifting plate; 8. forming a groove; 9. a thimble; 10. a top plate; 11. sealing sleeves; 12. a male die; 13. injection molding a tube; 14. an electric heating wire; 15. a heat conducting pipe; 16. supporting legs; 17. a hollow cylinder; 18. A return spring; 19. a limiting plate; 20. a telescopic rod; 21. a connector; 22. an exhaust groove; 23. an air inlet pipe; 24. a three-way pipe.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model provides a plastic mold with a rapid demoulding structure, which comprises a female mold 1, wherein a lifting groove 2 is arranged at the bottom of the female mold 1, an ejection mechanism 3 is fixedly connected at both sides of the bottom of an inner cavity of the lifting groove 2, guide grooves 4 are arranged at both sides of the top of the lifting groove 2, a guide spring 5 is fixedly connected at the top of each guide groove 4, guide blocks 6 are fixedly connected at the bottom end of each guide spring 5, the opposite sides of the two guide blocks 6 are respectively and fixedly connected with both ends of a lifting plate 7, a forming groove 8 is arranged in the middle of the top end of the female mold 1, a plurality of thimbles 9 are equidistantly inserted at the bottom of the inner cavity of the forming groove 8, the top ends of the thimbles 9 are fixedly connected at the bottom of a top plate 10, the bottom ends of the thimbles 9 are fixedly connected at the top of the lifting plate 7, a male mold 12 is hinged at one side of the top of the female mold 1, an injection molding pipe 13 is inserted at the top end of the male mold 12, the inner wall winding of injection molding pipe 13 is connected with electric heating wire 14, and electric heating wire 14's surface cladding has heat pipe 15, and ejection mechanism 3 includes hollow cylinder 17, return spring 18, limiting plate 19, telescopic link 20, connector 21 and air discharge duct 22.

When the injection molding device is used, firstly, molten materials are injected into an inner cavity of the molding groove 8 through the injection molding pipe 13, then after the materials are cooled and molded, the male die 12 is opened, the inner cavity of the hollow cylinder 17 is pressurized through the three-way pipe 24, the limiting plate 19 and the telescopic rod 20 are pushed upwards, the telescopic rod 20 is moved upwards to drive the lifting plate 7 and the ejector pin 9 to move upwards, the ejector pin 9 is moved upwards to drive the top plate 10 to move upwards, so that the materials molded in the inner cavity of the molding groove 8 are ejected out, the materials are convenient to take, when excessive materials are adhered to the inner wall of the heat conducting pipe 15, at the moment, the electric heating wire 14 is opened, the electric heating wire 14 heats the heat conducting pipe 15, and the solidified materials are melted after the heat conducting pipe 15 is heated, so that the materials are prevented from blocking the heat conducting pipe 15.

Four corners of the bottom end of the female die 1 are fixedly connected with supporting legs 16, and the bottom ends of the supporting legs 16 are bonded with non-slip mats.

When the anti-skid device is used, the supporting legs 16 support the whole device, and the anti-skid pads prevent the supporting legs 16 from skidding.

The inner cavity of the hollow cylinder 17 is fixedly connected with a return spring 18, the top end of the return spring 18 is fixedly connected with a limiting plate 19, the top end of the limiting plate 19 is fixedly connected with a telescopic rod 20, the top end of the telescopic rod 20 penetrates through the hollow cylinder 17 and extends to the outside, one side of the bottom of the hollow cylinder 17 is fixedly communicated with a connector 21, one end of the connector 21 is fixedly communicated with an air inlet pipe 23, opposite ends of the two air inlet pipes 23 are respectively fixedly communicated with a first through and a second through of a three-way pipe 24, and a third through of the three-way pipe 24 penetrates through the female die 1 and extends to the outside.

When the material pushing device is used, the inner cavity of the hollow cylinder 17 is pressurized through the three-way pipe 24, after the inner cavity of the hollow cylinder 17 is pressurized, the limiting plate 19 and the telescopic rod 20 are pushed upwards, the telescopic rod 20 moves upwards to drive the lifting plate 7 and the ejector pin 9 to move upwards, the ejector pin 9 moves upwards to drive the top plate 10 to move upwards, and therefore materials formed in the inner cavity of the forming groove 8 are ejected out, and the materials are conveniently taken.

And a sealing sleeve 11 is sleeved at the joint of the thimble 9 and the female die 1.

When the ejector pin sealing device is used, the sealing sleeve 11 is used for sealing the joint of the ejector pin 9 and the female die 1 to prevent materials from passing through.

The front surface of the female die 1 is fixedly provided with a switch button, and the electric heating wire 14 is electrically connected with an external power supply through the switch button.

When the material injection molding device is used specifically, firstly, molten materials are injected into an inner cavity of a molding groove 8 through an injection molding pipe 13, then, the material cooling molding is waited, after the molding, a male die 12 is opened, the inner cavity of a hollow cylinder 17 is pressurized through a three-way pipe 24, a limiting plate 19 and a telescopic rod 20 are pushed upwards, the telescopic rod 20 moves upwards to drive a lifting plate 7 and a thimble 9 to move upwards, the thimble 9 moves upwards to drive a top plate 10 to move upwards, so that the material molded in the inner cavity of the molding groove 8 is ejected, when the limiting plate 19 moves to the top of the inner cavity of the hollow cylinder 17, gas in the inner cavity of the hollow cylinder 17 is exhausted from an exhaust groove 22, at the moment, the limiting plate 19 and the telescopic rod 20 return under the action of a return spring 18, and when too many materials are adhered to the inner wall of a heat conduction pipe 15, at the moment, an electric heating wire 14 is opened, and the electric heating wire 14 heats the heat conduction pipe 15, the heat pipe 15 is heated to melt the solidified material, thereby preventing the material from clogging the heat pipe 15.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a plastic mould with quick demoulding structure, includes die (1), its characterized in that: the die is characterized in that a lifting groove (2) is formed in the bottom of the die (1), ejection mechanisms (3) are fixedly connected to two sides of the bottom of an inner cavity of the lifting groove (2), guide grooves (4) are formed in two sides of the top of the lifting groove (2), guide springs (5) are fixedly connected to the tops of the guide grooves (4), guide blocks (6) are fixedly connected to the bottom of the guide springs (5), opposite sides of the two guide blocks (6) are fixedly connected to two ends of a lifting plate (7) respectively, a forming groove (8) is formed in the middle of the top of the die (1), a plurality of thimbles (9) are inserted into the bottom of an inner cavity of the forming groove (8) at equal intervals, the top ends of the thimbles (9) are fixedly connected to the bottom of a top plate (10), the bottom ends of the thimbles (9) are fixedly connected to the top of the lifting plate (7), and a male die (12) is hinged to one side of the top of the die (1), the top of terrace die (12) alternates there is injection molding pipe (13), the inner wall winding of injection molding pipe (13) is connected with electric heating wire (14), the surface cladding of electric heating wire (14) has heat pipe (15), ejection mechanism (3) are including hollow section of thick bamboo (17), return spring (18), limiting plate (19), telescopic link (20), connector (21) and air discharge duct (22).

2. The plastic mold with the rapid demolding structure as claimed in claim 1, wherein: four corners of the bottom end of the female die (1) are fixedly connected with supporting legs (16), and the bottom ends of the supporting legs (16) are bonded with non-slip mats.

3. The plastic mold with the rapid demolding structure as claimed in claim 1, wherein: the inner chamber fixedly connected with return spring (18) of hollow section of thick bamboo (17), the top fixedly connected with limiting plate (19) of return spring (18), the top fixedly connected with telescopic link (20) of limiting plate (19), the top of telescopic link (20) is passed hollow section of thick bamboo (17) and is extended to the outside.

4. The plastic mold with the rapid demolding structure as claimed in claim 1, wherein: one side of the bottom of the hollow cylinder (17) is fixedly communicated with a connector (21), one end of the connector (21) is fixedly communicated with air inlet pipes (23), the opposite ends of the two air inlet pipes (23) are respectively and fixedly communicated with a first passage and a second passage of a three-way pipe (24), and a third passage of the three-way pipe (24) penetrates through the female die (1) and extends to the outside.

5. The plastic mold with the rapid demolding structure as claimed in claim 1, wherein: and a sealing sleeve (11) is sleeved at the joint of the ejector pin (9) and the female die (1).

6. The plastic mold with the rapid demolding structure as claimed in claim 1, wherein: the front fixed mounting of die (1) has shift knob, just electric heating wire (14) pass through shift knob and external power supply electric connection.