CN219114706U

CN219114706U - Injection mold for precision injection molding

Info

Publication number: CN219114706U
Application number: CN202223403763.XU
Authority: CN
Inventors: 纪步锋
Original assignee: Wuxi High Precision Forging Machine Technology Co ltd
Current assignee: Wuxi High Precision Forging Machine Technology Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-02
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses an injection mold for a precise injection molding part, which belongs to the technical field of injection molds and comprises a hydraulic cylinder, wherein a movable plate is fixedly connected to the telescopic end of the hydraulic cylinder, and a male die is fixedly connected to the bottom of the movable plate.

Description

Injection mold for precision injection molding

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold for a precise injection molding part.

Background

The injection mold is a tool for producing plastic products; the injection molding is a processing method used when mass production of parts with complex shapes is performed, specifically, heated and melted plastic is injected into a mold cavity by an injection molding machine under high pressure and is cooled and solidified to obtain a molded product, however, after injection molding is completed, the existing injection mold needs to be disassembled to take out the injection molded workpiece, so that the existing injection mold has the defect of inconvenient taking out of the workpiece, and is not beneficial to the use of the device.

Disclosure of Invention

The utility model aims to provide an injection mold for a precise injection molding piece, which has the advantage of being convenient for taking out a workpiece and solves the problem that the existing injection mold is inconvenient for taking out the workpiece.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an injection mold for precision injection molding, includes the pneumatic cylinder, the flexible end fixedly connected with movable plate of pneumatic cylinder, the bottom fixedly connected with terrace die of movable plate, the bottom of movable plate is provided with the bottom plate, the top fixedly connected with die of bottom plate, the first spring of the equal fixedly connected with in the left and right sides of bottom plate bottom, the bottom fixedly connected with movable block of first spring, the top fixedly connected with movable rod of movable block, the top of movable rod extends to the inner chamber and the fixedly connected with push pedal of die, the bottom of die left and right sides all is provided with the cavity, the equal fixedly connected with second spring in one side that the cavity inner chamber kept away from mutually, the equal fixedly connected with slider in one side that the second spring is close to mutually, the equal fixedly connected with stopper in one side that the slider is close to mutually, the spacing groove has all been seted up to the left and right sides of push pedal, the one side that the stopper is kept away from mutually all fixedly connected with connecting rod, the one side that the connecting rod kept away from mutually all extends to the outside of die and fixedly connected with pull block.

As a further scheme of the utility model, the outer surface of the connecting rod is in sliding connection with the inner surface of the second spring, and the outer surface of the push plate is in sliding connection with the inner surface of the female die.

As a still further scheme of the utility model, the bottom of the male die is fixedly connected with a sealing gasket, and the sealing gasket is made of rubber.

As a still further proposal of the utility model, four corners of the bottom of the movable plate are fixedly connected with guide rods, and the bottoms of the guide rods extend to the bottom of the bottom plate.

As a still further proposal of the utility model, four corners of the top of the bottom plate are provided with guide grooves, and the outer surfaces of the guide rods are in sliding connection with the inner surfaces of the guide grooves.

As a still further proposal of the utility model, the left side and the right side of the joint of the female die and the bottom plate are provided with through grooves, and the outer surface of the moving rod is in sliding connection with the inner surface of the through grooves.

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

1. when the injection molding device is used, the first spring drives the movable block to move upwards through the reaction force of the first spring, the movable block drives the movable rod to move upwards, the movable rod drives the push plate to move upwards, the injection molded workpiece is taken out through the push plate, the workpiece is conveniently taken out, the second spring drives the sliding block to move in opposite directions through the reaction force of the second spring, the sliding block drives the limiting block to be inserted into the limiting groove, the push plate is limited, the phenomenon that the position of the push plate is loose is avoided, the advantage of conveniently taking out the workpiece is achieved through the arrangement of the structure, and the problem that the workpiece is inconvenient to take out in the existing injection molding die is solved, so that the injection molding device is beneficial to use.

2. When the sliding block is used, the connecting rod and the pull block are arranged, so that the sliding block can be conveniently moved, the second spring is extruded, the limiting block is far away from the limiting groove, the push plate is unlocked, and the workpiece can be conveniently taken out.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front cross-sectional view of the floor structure of the present utility model;

FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present utility model;

fig. 4 is a top view of the female die structure of the present utility model.

In the figure: 1. a hydraulic cylinder; 2. a moving plate; 3. a male die; 4. a bottom plate; 5. a female die; 6. a first spring; 7. a moving block; 8. a moving rod; 9. a push plate; 10. a cavity; 11. a second spring; 12. a slide block; 13. a limiting block; 14. a limit groove; 15. a connecting rod; 16. pulling blocks; 17. a sealing gasket; 18. a guide rod; 19. a guide groove; 20. and (5) through grooves.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-4, in an embodiment of the utility model, an injection mold for precision injection molding comprises a hydraulic cylinder 1, a moving plate 2 is fixedly connected to a telescopic end of the hydraulic cylinder 1, a male die 3 is fixedly connected to the bottom of the moving plate 2, a bottom plate 4 is arranged at the bottom of the moving plate 2, a female die 5 is fixedly connected to the top of the bottom plate 4, first springs 6 are fixedly connected to the left and right sides of the bottom plate 4, a moving block 7 is fixedly connected to the bottom of the first springs 6, a moving rod 8 is fixedly connected to the top of the moving block 7, the top of the moving rod 8 extends to the inner cavity of the female die 5 and is fixedly connected with a push plate 9, cavities 10 are respectively arranged at the bottoms of the left and right sides of the female die 5, second springs 11 are respectively fixedly connected to the sides of the inner cavity 10, sliding blocks 12 are respectively connected to the sides of the second springs 11, limiting blocks 13 are respectively connected to the sides of the sliding blocks 12, limiting grooves 14 are formed in the left side and the right side of the push plate 9, one ends, close to the limiting blocks 13, of the limiting blocks are spliced with the inner surfaces of the limiting grooves 14, the outer surfaces of connecting rods 15 are slidably connected with the inner surfaces of second springs 11, the outer surfaces of the push plate 9 are slidably connected with the inner surfaces of the female dies 5, sealing gaskets 17 are fixedly connected to the bottoms of the male dies 3, the sealing gaskets 17 are made of rubber, the joints between the male dies 3 and the female dies 5 can be sealed by arranging the sealing gaskets 17, guide rods 18 are fixedly connected to four corners of the bottoms of the moving plates 2, the bottoms of the guide rods 18 extend to the bottoms of the bottom plates 4, the guide rods 18 are arranged, the guide plates 2 are conveniently guided, the stability of the device is improved, guide grooves 19 are formed in the four corners of the tops of the bottom plates 4, the outer surfaces of the guide rods 18 are slidably connected with the inner surfaces of the guide grooves 19, through setting up guide way 19, made things convenient for leading to guide bar 18, logical groove 20 has all been seted up to the left and right sides of die 5 and bottom plate 4 junction, and the surface and the interior surface sliding connection of logical groove 20 of movable rod 8 have made things convenient for leading to guide bar 8 through setting up logical groove 20.

The principle of this embodiment is:

when the injection molding machine is used, injection molding raw materials are firstly put into the inner cavity of the female die 5, at the moment, the hydraulic cylinder 1 is started through the external controller, the hydraulic cylinder 1 drives the movable plate 2 to move downwards, the movable plate 2 drives the male die 3 to move downwards, the bottom of the male die 3 extends to the inner cavity of the female die 5, the workpiece is subjected to injection molding, the second spring 11 drives the sliding block 12 to move in opposite directions through the reaction force of the second spring 11, the sliding block 12 drives the limiting block 13 to be inserted into the limiting groove 14, the push plate 9 is limited, the phenomenon that the position of the push plate 9 is loose is avoided, after injection molding is finished, the first spring 6 drives the movable block 7 to move upwards through the reaction force of the first spring 6, the movable block 7 drives the movable rod 8 to move upwards, the movable rod 8 drives the push plate 9 to move upwards, the workpiece after injection molding is taken out through the push plate 9, and the workpiece is conveniently taken out.

Embodiment two:

referring to fig. 3, the sides of the slide blocks 12 away from each other are fixedly connected with connecting rods 15, and the ends of the connecting rods 15 away from each other extend to the outer side of the female die 5 and are fixedly connected with pull blocks 16.

The principle of the embodiment is as follows:

during the use, through connecting rod 15 and pull block 16, made things convenient for removing slider 12, extrude second spring 11, make stopper 13 keep away from spacing groove 14, unlock push pedal 9, further make things convenient for taking out the work piece.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an injection mold for precision injection molding, includes pneumatic cylinder (1), its characterized in that, the flexible end fixedly connected with movable plate (2) of pneumatic cylinder (1), the bottom fixedly connected with terrace die (3) of movable plate (2), the bottom of movable plate (2) is provided with bottom plate (4), the top fixedly connected with die (5) of bottom plate (4), the left and right sides of bottom plate (4) bottom all fixedly connected with first spring (6), the bottom fixedly connected with movable block (7) of first spring (6), the top fixedly connected with movable rod (8) of movable block (7), the top of movable rod (8) extends to the inner chamber of die (5) and fixedly connected with push pedal (9), the bottom of the left and right sides of die (5) all is provided with cavity (10), the side that the inner chamber of cavity is kept away from all fixedly connected with second spring (11), the side that second spring (11) is kept close to all fixedly connected with slider (12), the side that slider (12) is kept close to all is fixedly connected with stopper (13) and is kept away from limit groove (14) in the side that both sides are kept away from limit groove (14), the side that slider (12) kept away from all fixedly connected with connecting rod (15), the one end that connecting rod (15) kept away from all extends to the outside of die (5) and fixedly connected with draws piece (16).

2. Injection mold for precision injection molding according to claim 1, characterized in that the outer surface of the connecting rod (15) is slidingly connected with the inner surface of the second spring (11), and the outer surface of the push plate (9) is slidingly connected with the inner surface of the female die (5).

3. The injection mold for precision injection molding according to claim 1, wherein a sealing gasket (17) is fixedly connected to the bottom of the male mold (3), and the sealing gasket (17) is made of rubber.

4. The injection mold for precision injection molding according to claim 1, wherein guide rods (18) are fixedly connected to four corners of the bottom of the moving plate (2), and the bottoms of the guide rods (18) extend to the bottom of the bottom plate (4).

5. The injection mold for precision injection molding according to claim 4, wherein guide grooves (19) are formed in four corners of the top of the bottom plate (4), and the outer surface of the guide rod (18) is slidably connected with the inner surface of the guide groove (19).

6. The injection mold for precision injection molding according to claim 1, wherein through grooves (20) are formed in the left side and the right side of the joint of the female die (5) and the bottom plate (4), and the outer surface of the moving rod (8) is slidably connected with the inner surface of the through grooves (20).