CN216329909U

CN216329909U - Die assembly for plastic injection molding

Info

Publication number: CN216329909U
Application number: CN202122873303.2U
Authority: CN
Inventors: 何宗岭
Original assignee: Zhaoqing Gaoyao District Chengyi Hardware And Plastic Products Co ltd
Current assignee: Zhaoqing Gaoyao District Chengyi Hardware And Plastic Products Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-19
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses a die assembly for plastic injection molding, which comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with a U-shaped plate, the inner top wall of the U-shaped plate is fixedly connected with a hydraulic rod, the telescopic end of the hydraulic rod is fixedly connected with a pressing plate, the upper surface of the U-shaped plate is fixedly connected with a water tank, and the inner bottom wall of the water tank is fixedly connected with a water pump. This die assembly that plastics were moulded plastics and are used, can extract the inside water of water tank through the water pump, the cooperation of the flexible pipe of first flexible pipe of cooperation and second, can make hydroenergy enough flow in the inside of cavity, and can form the circulation, utilize the semiconductor refrigeration piece can cool down water, it is sure to the cold of mould for the clamp plate, and can accelerate the air flow around the mould through air pump and venthole, accelerate the cooling of mould once more, it can't cool down to the mould to have solved, thereby lead to the slower problem of the inside raw materials cooling rate of mould.

Description

Die assembly for plastic injection molding

Technical Field

The utility model relates to the technical field of injection molding, in particular to a die assembly for plastic injection molding.

Background

Injection molding is a method for producing and molding industrial products, and the products generally adopt rubber injection molding and plastic injection molding, and the injection molding can also be divided into injection molding and die casting methods.

At present, a die assembly is used in the injection molding of plastics, but the current die assembly has some defects in the use process:

1. when the existing die pressing device is used, the die cannot be cooled, so that the cooling speed of raw materials inside the die is low.

2. When the existing die pressing device is used, dust around a die cannot be cleaned, so that the dust enters raw materials in the die casting process.

In order to solve the problems, the novel design is carried out on the basis of the original mold pressing device for plastic injection molding.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a die assembly for plastic injection molding, which aims to solve the problems that the cooling speed of raw materials in a die is low and dust around the die cannot be cleaned due to the fact that the die cannot be cooled in the background technology, and the dust enters the raw materials in the die casting process.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a die assembly that plastics were moulded plastics and are used, includes the bottom plate, the last fixed surface of bottom plate is connected with the U template, the interior roof fixedly connected with hydraulic stem of U template, the flexible end fixedly connected with clamp plate of hydraulic stem, the last fixed surface of U template is connected with the water tank, the interior bottom wall fixedly connected with water pump of water tank, the fixed embedding of right flank of water tank has the semiconductor refrigeration piece, the cavity has been seted up to the inner wall of clamp plate, the fixed intercommunication of output of cavity has first flexible pipe, the top of first flexible pipe run through U template and water tank in proper order and with the fixed intercommunication of output of water pump, the fixed intercommunication of output of cavity has the flexible pipe of second, the top of the flexible pipe of second runs through U template and water tank in proper order and extends to the inside of water tank.

Preferably, the inner top wall of the U-shaped plate is fixedly connected with an air pump, the output end of the air pump is fixedly communicated with a third telescopic pipe, the inner wall of the pressing plate is provided with an annular cavity, the bottom end of the third telescopic pipe is fixedly communicated with the input end of the annular cavity, and the bottom surface of the annular cavity is provided with air outlet holes which are annularly arranged.

Preferably, the equal fixedly connected with fixed plate of the left and right sides face of U template, every the bottom surface of fixed plate all is connected with the last fixed surface of bottom plate, the outer fixed surface of hydraulic stem is connected with solid fixed ring, gu fixed ring's upper surface and the interior roof fixed connection of U template.

Preferably, the upper surface of the water tank is provided with a water injection port, the front of the water tank is fixedly embedded with a glass plate, and the front of the U-shaped plate is fixedly connected with a control panel.

Preferably, the front surface of the U-shaped plate is fixedly connected with a timer, two groups of protection pads are arranged below the bottom plate, and the upper surfaces of the protection pads are fixedly connected with the bottom surface of the bottom plate.

Preferably, the upper surface of the bottom plate is fixedly connected with a limiting frame, and the limiting frame is located right below the pressing plate.

Preferably, two slide holes, every have all been seted up to the left and right sides face of spacing frame the equal sliding connection of inner wall of slide hole has the slide bar, and is two sets of two connecting plates of the common fixedly connected with of one end that the slide bar was kept away from each other, two sets of two splint of the common fixedly connected with of one end that the slide bar is close to each other, every the surface of slide bar all overlaps and is equipped with the extension spring, and is two sets of the one end that the extension spring is close to each other respectively with the left and right sides face fixed connection of spacing frame, two sets of the one end that the extension spring was kept away from each other is respectively with a side fixed connection that two connecting plates are close to each other.

Compared with the prior art, the utility model has the beneficial effects that: the die assembly for injection molding of plastics,

1. the water pump can be used for extracting water in the water tank, and the water can flow in the cavity by matching with the first telescopic pipe and the second telescopic pipe, so that circulation can be formed, the semiconductor refrigerating sheet can be used for cooling the water, the cooling of the die by the pressing plate is accelerated, the air flow around the die can be accelerated by the air pump and the air outlet, the cooling of the die is accelerated again, and the problem that the cooling of the die cannot be performed, so that the cooling speed of the raw material in the die is low is solved;

2. can cooperate the flexible inside of pipe with air injection to the annular chamber of third through the air pump, make the annular chamber can blow around to the mould through the venthole to intercept air on every side, solved and can not clear up the dust around the mould, lead to having the problem that the dust got into the raw materials at the die-casting in-process.

Drawings

FIG. 1 is a schematic perspective view of a U-shaped plate according to the present invention;

FIG. 2 is a cross-sectional view of a front view of a U-shaped plate of the present invention;

FIG. 3 is a cross-sectional view of a top view of the platen of the present invention;

fig. 4 is a schematic perspective view of the limiting frame of the present invention.

In the figure: 1. a protection pad; 2. a base plate; 3. a U-shaped plate; 4. a timer; 5. a hydraulic lever; 6. a water tank; 7. a water injection port; 8. a glass plate; 9. a semiconductor refrigeration sheet; 10. pressing a plate; 11. a fixing plate; 12. a control panel; 13. a tension spring; 14. a splint; 15. a limiting frame; 16. a connecting plate; 17. a slide hole; 18. a slide bar; 19. an air outlet; 20. an annular cavity; 21. a cavity; 22. a second telescopic tube; 23. a fixing ring; 24. a first telescopic tube; 25. a water pump; 26. an air pump; 27. and a third telescopic pipe.

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.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: the utility model provides a die assembly that plastics were moulded plastics and are used, comprising a base plate 2, the last fixed surface of bottom plate 2 is connected with U template 3, the interior roof fixedly connected with hydraulic stem 5 of U template 3, the flexible end fixedly connected with clamp plate 10 of hydraulic stem 5, the last fixed surface of U template 3 is connected with water tank 6, the interior diapire fixedly connected with water pump 25 of water tank 6, the right flank fixed of water tank 6 is inlayed and is had semiconductor refrigeration piece 9, cavity 21 has been seted up to the inner wall of clamp plate 10, the fixed intercommunication of output of cavity 21 has first flexible pipe 24, the top of first flexible pipe 24 run through U template 3 and water tank 6 in proper order and with the fixed intercommunication of output of water pump 25, the fixed intercommunication of output of cavity 21 has the flexible pipe 22 of second, the top of the flexible pipe 22 of second runs through U template 3 and water tank 6 in proper order and extends to the inside of water tank 6.

Referring to fig. 2, an air pump 26 is fixedly connected to an inner top wall of the U-shaped plate 3, an output end of the air pump 26 is fixedly communicated with a third telescopic pipe 27, an inner wall of the pressing plate 10 is provided with an annular cavity 20, a bottom end of the third telescopic pipe 27 is fixedly communicated with an input end of the annular cavity 20, and a bottom surface of the annular cavity 20 is provided with air outlets 19 which are annularly arranged, so that air can be blown around the mold through the air outlets 19, and dust is prevented from falling on the mold.

Referring to fig. 1 and 2, the left and right sides of the U-shaped plate 3 are fixedly connected with fixing plates 11, the bottom surface of each fixing plate 11 is fixedly connected with the upper surface of the bottom plate 2, the outer surface of the hydraulic rod 5 is fixedly connected with a fixing ring 23, the upper surface of the fixing ring 23 is fixedly connected with the inner top wall of the U-shaped plate 3, and the hydraulic rod 5 can be reinforced by the fixing ring 23 to prevent the hydraulic rod 5 from loosening.

Referring to fig. 1, a water injection port 7 is formed in the upper surface of a water tank 6, a glass plate 8 is fixedly embedded in the front surface of the water tank 6, a control panel 12 is fixedly connected to the front surface of a U-shaped plate 3, a timer 4 is fixedly connected to the front surface of the U-shaped plate 3, two groups of protection pads 1 are arranged below a bottom plate 2, the upper surface of each protection pad 1 is fixedly connected to the bottom surface of the bottom plate 2, and the timer 4 is arranged to time cooling time.

Referring to fig. 1, 2 and 4, a limiting frame 15 is fixedly connected to the upper surface of the bottom plate 2, the limiting frame 15 is located under the pressing plate 10, two sliding holes 17 are formed in both left and right side surfaces of the limiting frame 15, a sliding rod 18 is slidably connected to an inner wall of each sliding hole 17, two connecting plates 16 are fixedly connected to two ends, away from each other, of the two groups of sliding rods 18, two clamping plates 14 are fixedly connected to two ends, close to each other, of the two groups of sliding rods 18, a tension spring 13 is sleeved on the outer surface of each sliding rod 18, one end, close to each other, of the two groups of tension springs 13 is fixedly connected to the left and right side surfaces of the limiting frame 15, one end, away from each other, of the two groups of tension springs 13 is fixedly connected to one side surface, close to each other, of the two connecting plates 16, molds with different sizes can be clamped through the clamping plates 14, and the molds are prevented from being loosened.

The working principle is as follows: the device is connected with a power supply, the device is controlled by a control panel 12, water is injected into the water tank 6 through a water injection port 7, a hydraulic rod 5 is started, the hydraulic rod 5 pushes a pressing plate 10 to move downwards, pressure is applied to the die, a water pump 25 and an air pump 26 are started, the water pump 25 extracts water inside the water tank 6, the water enters the cavity 21 through a first telescopic pipe 24, the die is cooled, the water can be recycled through a semiconductor refrigerating sheet 9 and a second telescopic pipe 22, a low-temperature state is kept at the same time, the air pump 26 is started, the air pump 26 is matched with a ring cavity 20 through a third telescopic pipe 27, air can be blown to the die through an air outlet 19, and dust is blown down.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A die assembly for injection molding of plastic material, comprising a base plate (2), characterized in that: the last fixed surface of bottom plate (2) is connected with U template (3), the interior roof fixedly connected with hydraulic stem (5) of U template (3), the flexible end fixedly connected with clamp plate (10) of hydraulic stem (5), the last fixed surface of U template (3) is connected with water tank (6), the interior diapire fixedly connected with water pump (25) of water tank (6), the right flank fixed of water tank (6) is inlayed and is had semiconductor refrigeration piece (9), cavity (21) have been seted up to the inner wall of clamp plate (10), the fixed intercommunication of output of cavity (21) has first flexible pipe (24), the top of first flexible pipe (24) runs through U template (3) and water tank (6) in proper order and with the fixed intercommunication of output of water pump (25), the fixed intercommunication of output of cavity (21) has flexible pipe (22) of second, the top of the flexible pipe (22) of second runs through U template (3) and water tank (6) in proper order and extends to water The interior of the tank (6).

2. A die assembly for injection molding of plastic according to claim 1, wherein: the inner top wall of the U-shaped plate (3) is fixedly connected with an air pump (26), the output end of the air pump (26) is fixedly communicated with a third telescopic pipe (27), the inner wall of the pressing plate (10) is provided with an annular cavity (20), the bottom end of the third telescopic pipe (27) is fixedly communicated with the input end of the annular cavity (20), and the bottom surface of the annular cavity (20) is provided with air outlet holes (19) which are annularly arranged.

3. A die assembly for injection molding of plastic according to claim 1, wherein: the equal fixedly connected with fixed plate (11) of the left and right sides face of U template (3), every the bottom surface of fixed plate (11) all is connected with the upper surface fixed connection of bottom plate (2), the solid fixed ring (23) of outer fixed surface connection of hydraulic stem (5), the upper surface of solid fixed ring (23) and the interior roof fixed connection of U template (3).

4. A die assembly for injection molding of plastic according to claim 1, wherein: the water injection port (7) has been seted up to the upper surface of water tank (6), the front of water tank (6) is fixed to be inlayed and is had glass board (8), the front fixedly connected with control panel (12) of U template (3).

5. A die assembly for injection molding of plastic according to claim 1, wherein: the front fixedly connected with time-recorder (4) of U template (3), the below of bottom plate (2) is equipped with two sets of protection pads (1), the upper surface of protection pad (1) and the bottom surface fixed connection of bottom plate (2).

6. A die assembly for injection molding of plastic according to claim 1, wherein: the upper surface of the bottom plate (2) is fixedly connected with a limiting frame (15), and the limiting frame (15) is located under the pressing plate (10).

7. A die assembly as defined in claim 6, wherein: two slide opening (17), every have all been seted up to the left and right sides face of spacing frame (15) the equal sliding connection of inner wall of slide opening (17) has slide bar (18), and is two sets of two connecting plate (16) of the common fixedly connected with of one end that slide bar (18) kept away from each other, it is two sets of two splint (14) of the common fixedly connected with of one end that slide bar (18) are close to each other, every the surface of slide bar (18) all overlaps and is equipped with extension spring (13), and is two sets of one end that extension spring (13) are close to each other respectively with the left and right sides face fixed connection of spacing frame (15), and is two sets of one end that extension spring (13) are kept away from each other is respectively with a side fixed connection that two connecting plate (16) are close to each other.