CN112192819A

CN112192819A - Automatic cooling and demolding system of plastic mold

Info

Publication number: CN112192819A
Application number: CN202010808542.7A
Authority: CN
Inventors: 陈晓勇
Original assignee: Shenzhen Aidi Molding Co ltd
Current assignee: Shenzhen Aidi Molding Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-01-08

Abstract

The invention provides an automatic cooling and demolding system of a plastic mold, and relates to the technical field of plastic molds. This automatic cooling drawing of patterns system of plastic mold, including work platform, work platform upper surface central point puts fixedly connected with forming die, forming die top position is provided with the cooling tube, forming die, the forming chamber has been seted up to forming die upper surface position, sliding connection takes off the module all runs through in forming chamber lateral wall and interior bottom wall position, forming die is located drawing of patterns piece position and is provided with row oil pipe, it is the setting that runs through to arrange oil pipe and the drawing of patterns piece position that corresponds the position, forming die lower surface middle part position runs through fixedly connected with defeated oil pipe, defeated oil pipe arranges oil pipe union coupling, the forming die top is provided with the compression mould, compression mould lower surface central point puts fixedly connected with forming block. The invention ensures high injection molding efficiency and is convenient for demoulding.

Description

Automatic cooling and demolding system of plastic mold

Technical Field

The invention relates to the technical field of plastic molds, in particular to an automatic cooling and demolding system of a plastic mold.

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. The element has the name of "industrial mother".

After the injection molding of the plastic injection mold in the prior art is finished, the plastic mold can be bonded with the inner cavity of the mold and cannot be taken down, so that the product is difficult to demould, and the cooling and setting time is long during the injection molding of the plastic, thereby causing low production efficiency.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an automatic cooling and demoulding system of a plastic mould, which solves the problem of difficult demoulding of plastics.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: an automatic cooling and demoulding system of a plastic mould comprises a working platform, wherein a forming mould is fixedly connected with the center position of the upper surface of the working platform, a cooling pipe is arranged above the forming die, the upper surface of the forming die is provided with a forming cavity, the side wall and the inner bottom wall of the forming cavity are both connected with a demoulding block in a penetrating and sliding way, the forming mould is provided with an oil discharge pipe at the position of the demoulding block, the oil discharge pipe is arranged in a penetrating way with the position of the demoulding block at the corresponding position, the middle position of the lower surface of the forming mould is fixedly connected with an oil delivery pipe in a penetrating way, the oil delivery pipe and the oil discharge pipe are connected through a pipe, a compression mold is arranged above the molding mold, the center of the lower surface of the compression mold is fixedly connected with a molding block, the forming block and the compression mold are fixedly connected with a cooling pipe in a penetrating mode, and an induction device is arranged on any one side of the upper surface of the forming mold.

Preferably, induction system includes the spacing hole of second, the spacing hole position of second is in the arbitrary one side position of forming die upper surface, the spacing downthehole wall position sliding connection of second has the second piston, the forming die upper surface is located spacing hole one side of second and is provided with the response chamber, response intracavity sliding connection has the spacing hole of second, response intracavity wall sliding connection has first piston, response intracavity wall upper surface position runs through fixedly connected with proximity switch, response intracavity wall is located fixedly connected with stopper between proximity switch and the first piston, forming die is close to induction system one side fixedly connected with timing module.

Preferably, the proximity switch inductive probe faces downwards, and the bottom of the second limit hole and the bottom of the inductive cavity are arranged in a penetrating mode.

Preferably, an oil discharge groove is formed in the side, away from the forming cavity, of the outer wall of the demoulding body.

Preferably, the forming die upper surface is kept away from spacing hole one side of second and is opened to survey and to have first spacing hole, first spacing hole and the spacing hole of second are the symmetry and set up, the compression moulding die lower surface is located the first gag lever post of the equal fixedly connected with in the position directly over first spacing hole and the spacing hole of second, the big or small shape of first gag lever post is unanimous with the shape size in first spacing hole and the spacing hole of second, the compression moulding die lower surface is located the position directly over proximity switch and has been seted up and place the hole.

Preferably, the arbitrary one side position fixedly connected with of work platform lower surface is four spliced poles that are the rectangular distribution, fixedly connected with backup pad between the spliced pole bottom, fixed surface position is connected with the tank filler box in the backup pad, tank filler box inner wall sliding connection has the third piston, the second gag lever post that diapire position fixedly connected with two symmetries set up in the third piston, two the second gag lever post is kept away from tank filler box one end and is run through tank filler box top position, two the second gag lever post runs through sliding connection with the second gag lever post, two second gag lever post and work platform lower surface position fixed connection.

Preferably, the lower surface of the working platform is fixedly connected with a motor right above the supporting plate, the motor is fixedly connected with a threaded rod at the driving end of the motor, one end of the threaded rod, away from the motor, penetrates through the central position of the upper surface of the oil filling tank, the threaded rod is in threaded connection with a third piston, and the oil conveying pipe is fixedly connected with the bottom of the side wall of the oil filling tank in a penetrating manner.

Preferably, the compression mold is fixedly connected with two symmetrically-arranged connecting blocks at two sides, the upper surface of the working platform is fixedly connected with two symmetrically-arranged hydraulic cylinders, and the telescopic ends of the hydraulic cylinders are fixedly connected with the lower surfaces of the connecting blocks.

Preferably, the four corner positions of the lower surface of the working platform are fixedly connected with supporting legs.

Preferably, the side wall of the forming mold is fixedly connected with an injection molding pipe in a penetrating manner, the injection molding pipe is arranged in a penetrating manner with the forming cavity, and the outer wall of the injection molding pipe is provided with an electromagnetic valve.

The working principle is as follows: the hydraulic cylinder 3 is started to press the compression mold 31 downwards, the forming block 8 is pressed into the forming cavity 7, the electromagnetic valve 21 is started to realize injection molding, cooling is realized through the cooling pipe 13, the first limiting rod 5 is pressed into the second limiting hole 18 and the first limiting hole 4, when the first limiting rod 5 is pressed into the second limiting rod 27, the second piston 19 is pressed downwards, the first piston 16 moves on the net and is sensed by the proximity switch 17, the electromagnetic valve 21 and the timing module 32 are triggered to work, the motor 28 starts to work 10 seconds after the proximity switch 17 is sensed, the cooling pipe 13 is filled with water to form molten plastic in the forming cavity 7 before the motor 28 works, the third piston 24 moves up and down under the action of the second limiting rod 27 when the motor 28 works, oil is squeezed through the oil conveying pipe 9 to press the demoulding module 11, the demoulding module 11 separates a product from the forming cavity 7, and the product is convenient to take out, at the same time, a small amount of oil bleeds out, so that the possibility of sticking is reduced by the re-injection molding, and cooling is made fast by water cooling.

(III) advantageous effects

The invention provides an automatic cooling and demolding system for a plastic mold. The method has the following beneficial effects:

1. according to the invention, the cooling pipe is arranged, and cold water is circularly filled into the cooling pipe, so that the formed block is kept cold, and the molten plastic is injected, so that the plastic is quickly cooled and hardened during injection molding, and the production efficiency is greatly improved.

2. According to the invention, the demoulding blocks are arranged, and the demoulding blocks are arranged around the forming cavity, so that the demoulding blocks are extruded out, the product is separated from the inner wall of the forming cavity, the product is convenient to take out, and a small amount of oil is infiltrated at the same time, so that the bonding condition is reduced.

Drawings

FIG. 1 is a side view of an automatic cooling and demolding system for plastic molds according to the present invention;

FIG. 2 is a front sectional view of an automatic cooling and demolding system for plastic molds according to the present invention;

FIG. 3 is a cross-sectional view of a mold stripping block of an automatic cooling and mold stripping system for plastic molds according to the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 2;

FIG. 5 is a sectional view of the position of the oil tank of the automatic cooling and demoulding system of the plastic mould.

Wherein, 1, supporting legs; 2. a working platform; 3. a hydraulic cylinder; 4. a first limit hole; 5. a first limit rod; 6. connecting blocks; 7. a forming cavity; 8. forming a block; 9. an oil delivery pipe; 10. an oil discharge pipe; 11. demoulding; 12. placing holes; 13. a cooling tube; 14. an oil discharge groove; 15. an induction cavity; 16. a first piston; 17. a proximity switch; 18. a second limiting hole; 19. a second piston; 20. forming a mold; 21. an electromagnetic valve; 22. injection molding a tube; 23. a limiting block; 24. a third piston; 25. a support plate; 26. connecting columns; 27. a second limiting rod; 28. a motor; 29. a threaded rod; 30. an oil tank; 31. compression molding a mold; 32. and a timing module.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.

The first embodiment is as follows:

as shown in fig. 1-5, an embodiment of the present invention provides an automatic cooling and demolding system for plastic molds, including a working platform 2, a forming mold 20 is fixedly connected to a central position of an upper surface of the working platform 2, a cooling pipe 13 is disposed above the forming mold 20, the forming mold 20 is provided with a forming cavity 7 at an upper surface position of the forming mold 20, a demolding block 11 is slidably connected to a side wall and an inner bottom wall of the forming cavity 7, an oil discharge pipe 10 is disposed at a position of the demolding block 11 of the forming mold 20, the oil discharge pipe 10 is disposed in a penetrating manner with a position of the demolding block 11 at a corresponding position, an oil delivery pipe 9 is fixedly connected to a middle position of a lower surface of the forming mold 20 in a penetrating manner, the oil delivery pipe 9 is connected to the oil discharge pipe 10, a compression mold 31 is disposed above the forming mold 20, a forming block 8 is fixedly connected to a central position of a lower surface, any side position of the upper surface of the forming die 20 is provided with an induction device, a product can be extruded through the demoulding block 11, the product is separated from the forming cavity 7 for demoulding, the product is convenient to take out, and meanwhile, a small amount of lubricating oil can lubricate the inside of the forming cavity 7.

The sensing device comprises a second limiting hole 18, the second limiting hole 18 is positioned on any side of the upper surface of the forming die 20, a second piston 19 is slidably connected to the inner wall of the second limiting hole 18, a sensing cavity 15 is arranged on one side of the second limiting hole 18 on the upper surface of the forming die 20, a second limiting hole 18 is slidably connected to the sensing cavity 15, a first piston 16 is slidably connected to the inner wall of the sensing cavity 15, a proximity switch 17 penetrates through and is fixedly connected to the upper surface of the sensing cavity 15, a limiting block 23 is fixedly connected between the proximity switch 17 and the first piston 16 on the inner wall of the sensing cavity 15, an oil discharge groove 14 is formed in one side, away from the forming cavity 7, of the outer wall of the demolding block 11, a timing module 32 is fixedly connected to one side, close to the sensing device, the second piston 19 is pressed down by pressing the compression molding die 31, the first piston 16 is moved up, and the upper surface of the first, when the proximity switch 17 is sensed, the timing module 32 works, the motor 28 works after 10 seconds of timing, the third piston 24 is compressed, hydraulic oil is extruded to enable the demoulding module 11 to work and extrude products, and the motor rotates reversely after 2 seconds of working and resets after zero. The proximity switch 17 has a downward sensing probe, and the bottom of the second limit hole 18 and the bottom of the sensing cavity 15 are arranged in a penetrating manner.

The upper surface of forming die 20 is kept away from spacing hole 18 one side of second and is opened the survey and have first spacing hole 4, first spacing hole 4 and the spacing hole 18 of second are the symmetry and set up, the equal fixedly connected with first gag lever post 5 in position directly over compression molding die 31 lower surface is located first spacing hole 4 and the spacing hole 18 of second, the big or small shape of first gag lever post 5 is unanimous with the shape size of first spacing hole 4 and the spacing hole 18 of second, compression molding die 31 lower surface is located and has been seted up directly over proximity switch 17 and place hole 12, can be so that proximity switch 17 can not be crushed by compression molding die 31 through placing hole 12.

Any one side position fixedly connected with of work platform 2 lower surface is four spliced pole 26 that are rectangular distribution, fixedly connected with backup pad 25 between the spliced pole 26 bottom, surface position fixedly connected with tank 30 on backup pad 25, tank 30 inner wall sliding connection has third piston 24, second gag lever post 27 that two symmetries of bottom wall position fixedly connected with set up in third piston 24, tank 30 top position is run through to tank 30 one end is kept away from to two second gag lever posts 27, two second gag lever posts 27 and second gag lever post 27 run through sliding connection, two second gag lever posts 27 and work platform 2 lower surface position fixed connection.

The lower surface of the working platform 2 is fixedly connected with a motor 28 at a position right above the supporting plate 25, a driving end of the motor 28 is fixedly connected with a threaded rod 29, one end of the threaded rod 29, far away from the motor 28, is penetrated through the central position of the upper surface of the oil filling tank 30, the threaded rod 29 is connected with a third piston 24 through threads, the oil conveying pipe 9 is fixedly connected with the bottom of the side wall of the oil filling tank 30 in a penetrating manner, the threaded rod 29 is rotated through the motor 28, and the third piston 24 is enabled to move up and down under the action of a limiting rod.

The compression mould 31 both sides position fixedly connected with connecting block 6 that two symmetries set up, the pneumatic cylinder 3 that 2 upper surface position fixedly connected with two symmetries set up of work platform, the flexible end of pneumatic cylinder 3 and the 6 lower surface position fixed connection of connecting block. Four equal fixedly connected with supporting legs 1 in corner position on 2 lower surfaces of work platform. The side wall of the forming die 20 is fixedly connected with an injection pipe 22 in a penetrating mode, the injection pipe 22 and the forming cavity 7 are arranged in a penetrating mode, an electromagnetic valve 21 is arranged on the outer wall of the injection pipe 22, and injection molding can be controlled through the electromagnetic valve 21.

Example two:

the difference between the present embodiment and the first embodiment is: by replacing the limiting block 23 and the proximity switch 17 with a pressure sensing switch, the purpose of the realization is inconvenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic cooling drawing of patterns system of plastic mold, includes work platform (2), its characterized in that: the oil-gas separation device is characterized in that a forming mold (20) is fixedly connected to the center of the upper surface of the working platform (2), a cooling pipe (13) is arranged at the position above the forming mold (20), a forming cavity (7) is formed in the position of the upper surface of the forming mold (20), the side wall and the inner bottom wall of the forming cavity (7) are both connected with a demoulding piece (11) in a penetrating and sliding mode, an oil discharge pipe (10) is arranged at the position of the demoulding piece (11) of the forming mold (20), the oil discharge pipe (10) and the demoulding piece (11) at the corresponding position are arranged in a penetrating mode, an oil delivery pipe (9) is fixedly connected to the middle of the lower surface of the forming mold (20) in a penetrating and connecting mode, the oil delivery pipe (9) is connected with the oil discharge pipe (10), a compression mold (31) is arranged above the forming mold (20), and a forming block, the forming block (8) and the compression mold (31) are fixedly connected with a cooling pipe (13) in a penetrating mode, and an induction device is arranged on any one side of the upper surface of the forming mold (20).

2. The automatic cooling and demolding system for plastic molds according to claim 1, wherein: induction system includes spacing hole of second (18), spacing hole of second (18) is located forming die (20) upper surface arbitrary one side position, spacing hole of second (18) inner wall position sliding connection has second piston (19), forming die (20) upper surface is located spacing hole of second (18) one side and is provided with response chamber (15), sliding connection has spacing hole of second (18) in response chamber (15), response chamber (15) inner wall sliding connection has first piston (16), response chamber (15) upper surface position runs through fixedly connected with proximity switch (17), response chamber (15) inner wall is located fixedly connected with stopper (23) between proximity switch (17) and first piston (16), forming die (20) are close to induction system one side fixedly connected with timing module (32).

3. The automatic cooling and demolding system for plastic molds according to claim 2, wherein: the proximity switch (17) is characterized in that an induction probe faces downwards, and the bottom of the second limiting hole (18) and the bottom of the induction cavity (15) are arranged in a penetrating mode.

4. The automatic cooling and demolding system for plastic molds according to claim 1, wherein: an oil discharge groove (14) is formed in one side, away from the forming cavity (7), of the outer wall of the demoulding block (11).

5. The automatic cooling and demolding system for plastic molds according to claim 2, wherein: the upper surface of the forming die (20) is far away from one side of the second limit hole (18) and is provided with a first limit hole (4), the first limit hole (4) and the second limit hole (18) are symmetrically arranged, the lower surface of the compression die (31) is located right above the first limit hole (4) and the second limit hole (18) and is fixedly connected with a first limit rod (5), the size of the first limit rod (5) is consistent with the size of the first limit hole (4) and the second limit hole (18), and the lower surface of the compression die (31) is located right above the proximity switch (17) and is provided with a placing hole (12).

6. The automatic cooling and demolding system for plastic molds according to claim 1, wherein: work platform (2) lower surface arbitrary one side position fixedly connected with four spliced poles (26) that are the rectangle and distribute, fixedly connected with backup pad (25) between spliced pole (26) bottom, backup pad (25) upper surface position fixedly connected with tank (30), tank (30) inner wall sliding connection has third piston (24), second gag lever post (27) that two symmetries of bottom wall position fixedly connected with set up in third piston (24), two tank (30) top position is run through to tank (30) one end is kept away from in second gag lever post (27) and second gag lever post (27) run through sliding connection, two second gag lever post (27) and work platform (2) lower surface position fixed connection.

7. The automatic cooling and demolding system for plastic molds according to claim 1, wherein: work platform (2) lower surface is located position fixedly connected with motor (28) directly over backup pad (25), motor (28) drive end fixedly connected with threaded rod (29), motor (28) one end is kept away from in threaded rod (29) and oil tank (30) upper surface central point puts and runs through the setting, threaded rod (29) and third piston (24) run through threaded connection, defeated oil pipe (9) and oil tank (30) lateral wall bottom position run through fixed connection.

8. The automatic cooling and demolding system for plastic molds according to claim 1, wherein: compression moulding mould (31) both sides position fixedly connected with connecting block (6) that two symmetries set up, pneumatic cylinder (3) that work platform (2) upper surface position fixedly connected with two symmetries set up, pneumatic cylinder (3) flexible end and connecting block (6) lower surface position fixed connection.

9. The automatic cooling and demolding system for plastic molds according to claim 1, wherein: four corner positions of the lower surface of the working platform (2) are fixedly connected with supporting legs (1).

10. The automatic cooling and demolding system for plastic molds according to claim 1, wherein: the side wall of the forming die (20) is fixedly connected with an injection molding pipe (22) in a penetrating mode, the injection molding pipe (22) and the forming cavity (7) are arranged in a penetrating mode, and an electromagnetic valve (21) is arranged on the outer wall of the injection molding pipe (22).