CN219381464U - Injection molding product ejection mechanism - Google Patents

Abstract

The utility model discloses an ejection mechanism of an injection molding product, which relates to the technical field of injection molding processes and comprises a mounting frame, wherein a fixed die is arranged in the mounting frame, three movable pipes are symmetrically arranged on the upper surface of the fixed die, movable blocks are arranged at the lower ends of the movable pipes, positioning rods are connected below the movable blocks, ejection springs are arranged on the outer surfaces of the positioning rods, mounting plates are arranged on the outer walls of the movable blocks, two fixing rods are symmetrically arranged on the upper surface of the mounting plates, ejection plates are connected on the upper surface of the fixing rods, and injection molding cavities are arranged in the fixed die. According to the utility model, the ejector spring arranged on the positioning rod can push the movable block to move under the action of the ejector spring after being compressed, so that the ejector plate is driven to move, a product subjected to injection molding in the injection molding cavity can be pushed out to the outside, ejection is performed without using a driving device, and the practicability is improved.

Description

Injection molding product ejection mechanism

Technical Field

The utility model belongs to the technical field of injection molding technology, and particularly relates to an injection molding product ejection mechanism.

Background

At present, plastic parts are manufactured through an injection molding process, an injection mold is assembled to form a cavity with a specific shape, namely a cavity, molten plastic is injected into the cavity, after the plastic is cooled and solidified, the injection mold is opened, the plastic parts are taken out, after the mold is opened, a product is required to be separated from the cavity by using an ejection mechanism, and the purpose of the process is to overcome the sticking force of the product and simultaneously separate from an inverted buckle structure, so that the product can be taken out smoothly.

The utility model discloses an injection mold opening ejection mechanism with a publication number of CN216683189U, which comprises a workbench, supporting legs and inverted U-shaped supporting frames, wherein the supporting legs are respectively arranged on two sides below the workbench, the inverted U-shaped supporting frames are arranged above the workbench, a motor mounting groove I is arranged on the inverted U-shaped supporting frames, a driving motor I is arranged in the motor mounting groove I, the lower output end of the driving motor I is connected with an electric telescopic rod, an injection upper mold is arranged below the electric telescopic rod, and connecting rods are arranged on two sides of the injection upper mold. The injection molding machine is convenient for taking out the molded injection molding product, has higher convenience, higher automation degree and smaller manual labor intensity.

In summary, the following technical problems exist in the prior art: when the existing ejection mechanism ejects an injection molding product, the product needs to be ejected by using a motor to drive, and the practicability is poor.

Disclosure of Invention

The utility model aims to provide an injection molding product ejection mechanism, which solves the problem that the existing injection molding product ejection mechanism needs to be additionally driven by a motor to eject a product when ejecting the injection molding product, and has poor practicability.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to an injection molding product ejection mechanism which comprises a mounting frame, wherein a fixed die is arranged in the mounting frame, three movable pipes are symmetrically arranged on the upper surface of the fixed die, movable blocks are arranged at the lower ends of the movable pipes, positioning rods are connected below the movable blocks, ejection springs are arranged on the outer surfaces of the positioning rods, mounting plates are arranged on the outer walls of the movable blocks, two fixing rods are symmetrically arranged on the upper surface of the mounting plates, ejection plates are connected on the upper surfaces of the fixing rods, and injection molding cavities are arranged in the fixed die.

Further, the movable pipe forms an elastic telescopic structure through the movable block, the ejection spring and the positioning rod, and the mounting plate is fixedly connected with the movable block.

Further, the ejector plate forms a sliding structure through the fixing rod and the injection molding cavity, and the mounting plate is fixedly connected with the fixing rod.

Further, the mounting frame is further provided with:

the driving motor is arranged on the upper surface of the mounting frame, an output shaft of the driving motor is connected with a screw rod, the lower surface of the screw rod is connected with a threaded pipe, the lower end of the threaded pipe is provided with a movable die, the outer wall of the movable die is symmetrically provided with four guide blocks, and the outer surfaces of the four guide blocks are all connected with guide grooves.

Further, the driving motor is connected with the mounting frame through bolts, a rotating structure is formed between the screw rod and the driving motor, and the threaded pipe is connected with the screw rod through threads.

Further, the movable mould is fixedly connected with the threaded pipe, and a sliding structure is formed between the movable mould and the installation frame through the guide block and the guide groove.

The utility model has the following beneficial effects:

1. according to the utility model, the ejector spring arranged on the positioning rod can push the movable block to move under the action of the ejector spring after being compressed, so that the ejector plate is driven to move, a product subjected to injection molding in the injection cavity can be pushed out to the outside, ejection is performed without using a driving device, and the practicability is improved; through the locating lever that sets up, under the cooperation of movable tube, can play the effect of direction, the condition that the mounting panel takes place the skew when the motion can effectually be reduced.

2. According to the utility model, through the threaded pipe, when the screw rod rotates, the threaded pipe in threaded connection can be driven to move, so that the movable die descends and contacts the fixed die for injection molding; through the guide way that sets up in the installing frame, under the cooperation of guide block for the movable mould can play the effect of direction when moving, thereby avoid the movable mould to take place the skew condition when moving.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of a stationary mold according to the present utility model;

FIG. 3 is a schematic view of the joint between the movable tube and the positioning rod according to the present utility model;

fig. 4 is a schematic perspective view of a movable mold according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a mounting frame; 2. a fixed mold; 3. a movable tube; 4. a movable block; 5. a positioning rod; 6. an ejector spring; 7. a mounting plate; 8. a fixed rod; 9. an ejector plate; 10. an injection cavity; 11. a drive motor; 12. a screw rod; 13. a threaded tube; 14. a movable mold; 15. a guide block; 16. a guide groove.

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.

Referring to fig. 1-3, the utility model discloses an ejection mechanism for injection products, which comprises a mounting frame 1, wherein a fixed die 2 is arranged in the mounting frame 1, three movable pipes 3 are symmetrically arranged on the upper surface of the fixed die 2, a movable block 4 is arranged at the lower end of the movable pipe 3, a positioning rod 5 is connected below the movable block 4, an ejection spring 6 is arranged on the outer surface of the positioning rod 5, a mounting plate 7 is arranged on the outer wall of the movable block 4, two fixing rods 8 are symmetrically arranged on the upper surface of the mounting plate 7, an ejection plate 9 is connected on the upper surface of the fixing rods 8, and an injection cavity 10 is arranged in the fixed die 2.

As shown in fig. 1-3, the movable tube 3 forms an elastic telescopic structure through the movable block 4, the ejection spring 6 and the positioning rod 5, and the mounting plate 7 is fixedly connected with the movable block 4; through the ejecting spring 6 that sets up on the locating lever 5, under the effect of ejecting spring 6 by compression back self, can promote movable block 4 and move to drive ejector plate 9 and remove, can release the product of the inside completion of moulding plastics of injection molding chamber 10 to outside like this, need not to use drive arrangement to push out, improve the practicality.

As shown in fig. 1-3, the ejector plate 9 forms a sliding structure with the injection cavity 10 through the fixing rod 8, and the mounting plate 7 is fixedly connected with the fixing rod 8; through the locating lever 5 that sets up, under the cooperation of movable tube 3, can play the effect of direction, the condition that the skew takes place for the effectual reduction mounting panel 7 when the motion.

As shown in fig. 1 and 4, a driving motor 11 is installed on the upper surface of the installation frame 1, an output shaft of the driving motor 11 is connected with a screw rod 12, the lower surface of the screw rod 12 is connected with a threaded pipe 13, the lower end of the threaded pipe 13 is provided with a movable die 14, the outer wall of the movable die 14 is symmetrically provided with four guide blocks 15, and the outer surfaces of the four guide blocks 15 are connected with guide grooves 16; the screw 12 can be driven to rotate by the driving motor 11, so that the movable die 14 is driven to vertically move.

As shown in fig. 1 and 4, the driving motor 11 is in bolt connection with the mounting frame 1, the screw rod 12 and the driving motor 11 form a rotating structure, and the threaded pipe 13 is in threaded connection with the screw rod 12; through the screwed pipe 13 that sets up for can drive screwed pipe 13 and remove when screw rod 12 is rotatory, make movable mould 14 decline and cover half 2 contact and carry out the injection molding.

As shown in fig. 1 and 4, the movable die 14 is fixedly connected with the threaded pipe 13, and the movable die 14 and the mounting frame 1 form a sliding structure through the guide block 15 and the guide groove 16; through the guide slot 16 arranged in the mounting frame 1, under the cooperation of the guide block 15, the movable mould 14 can play a role in guiding when moving, thereby avoiding the condition that the movable mould 14 is deviated when moving.

One specific application of this embodiment is: before the injection product ejection mechanism is used, the mounting frame 1 is placed at a proper position, the screw rod 12 can be driven to rotate through the driving motor 11, the screw rod 12 can drive the threaded pipe 13 in threaded connection to vertically move when rotating, the movable die 14 can be pushed to vertically move when moving, the movable die 14 can play a role in guiding when moving under the cooperation of the guide block 15 through the guide groove 16 arranged in the mounting frame 1, the situation that the movable die 14 is deviated can be effectively reduced, the movable pipe 3 on the fixed die 2 can be pushed to move when the movable die 14 descends, the movable block 4 on the movable pipe 3 can drive the mounting plate 7 to move, the ejection plate 9 can be pulled to move under the cooperation of the fixed rod 8, and movable block 4 can promote ejection spring 6 and compress, after the lower surface of movable mould 14 and the upper surface of cover half 2 contact, add the raw materials through the mouth of moulding plastics on the movable mould 14 and carry out moulding plastics in to the chamber 10 that moulds plastics, after the raw materials carries out the cooling of moulding plastics and accomplish, the driving motor 11 that sets up starts, drive movable mould 14 and reset, make movable mould 14 and cover half 2 separation, when the pressure dissipation that makes movable mould 14 applyed movable pipe 3, under the effect of ejection spring 6 self compressed, can promote movable block 4 and reset, can play spacing effect through locating lever 5 that sets up, mounting panel 7 promotes dead lever 8 and removes, thereby make ejector plate 9 ejecting the injection molding product after the chamber 10 that moulds plastics, facilitate the use, need not to use drive arrangement in addition, improve the practicality.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (6)

1. An injection molded product ejection mechanism, comprising:

the mounting frame (1), the inside of mounting frame (1) is provided with cover half (2), the upper surface symmetry of cover half (2) is provided with three movable tube (3), the lower extreme of movable tube (3) is provided with movable block (4), the below of movable block (4) is connected with locating lever (5), the surface of locating lever (5) is provided with ejection spring (6), the outer wall of movable block (4) is provided with mounting panel (7), the upper surface symmetry of mounting panel (7) is provided with two dead levers (8), the upper surface of dead lever (8) is connected with liftout plate (9), the inside of cover half (2) is provided with injection molding chamber (10).

2. An injection molding product ejection mechanism according to claim 1, wherein the movable tube (3) forms an elastic telescopic structure through the movable block (4) and the ejection spring (6) and the positioning rod (5), and the mounting plate (7) is fixedly connected with the movable block (4).

3. Injection molding product ejection mechanism according to claim 1, characterized in that the ejector plate (9) forms a sliding structure with the injection molding cavity (10) through the fixing rod (8), and the mounting plate (7) is fixedly connected with the fixing rod (8).

4. An injection molded product ejection mechanism according to claim 1, wherein the mounting frame (1) is further provided with:

the driving motor (11) is installed on the upper surface of the mounting frame (1), a screw rod (12) is connected to an output shaft of the driving motor (11), a threaded pipe (13) is connected to the lower surface of the screw rod (12), a movable die (14) is arranged at the lower end of the threaded pipe (13), four guide blocks (15) are symmetrically arranged on the outer wall of the movable die (14), and guide grooves (16) are formed in the outer surfaces of the guide blocks (15).

5. Injection molding product ejection mechanism according to claim 4, characterized in that the driving motor (11) is in bolted connection with the mounting frame (1), a rotating structure is formed between the screw rod (12) and the driving motor (11), and a threaded connection is formed between the threaded tube (13) and the screw rod (12).

6. Injection product ejection mechanism according to claim 4, characterized in that the movable mould (14) is fixedly connected with the threaded pipe (13), and the movable mould (14) forms a sliding structure with the installation frame (1) through the guide block (15) and the guide groove (16).