CN222495231U - A slide core pulling mechanism - Google Patents

Abstract

The utility model belongs to the technical field of injection molding machine dies, in particular to a sliding block core pulling mechanism, which comprises a sliding seat and a workpiece formed by the sliding block core pulling mechanism, wherein a fixed male die holder is arranged on one side of the sliding seat, a female die holder is arranged above the male die holder, a first core is arranged between the sliding seat and the female die holder, and a second core is arranged between the sliding seat, the male die holder and the first core. The mold design is little limited by conditions, an independent mechanism system is not needed to design other mechanical structures to provide power sources, and the injection mold is not influenced by the mold opening sequence.

Description

Slide block core pulling mechanism

Technical Field

The utility model belongs to the technical field of injection molding machine molds, and particularly relates to a slide block core-pulling mechanism.

Background

The injection molding machine die consists of a movable die and a fixed die, wherein the movable die is arranged on a movable die plate of the injection molding machine, and the fixed die is arranged on a fixed die plate of the injection molding machine. The movable mould and the fixed mould are closed to form a pouring system and a cavity during injection molding, and the movable mould and the fixed mould are separated during mould opening so as to take out plastic products

The sliding block mechanism is often adopted on the injection molding machine die to achieve the purpose of side core pulling, but the structure is relatively limited, only the side core pulling with the conventional purpose can be achieved, and sometimes the structural requirement of customers on products cannot be met. In the case of the conventional sliding block mechanism, only a customer is required to change the product structure, and then the conventional sliding block mechanism is used for realizing side core pulling, so that time and labor are wasted;

in order to solve the problems, the application provides a slide block core pulling mechanism.

Disclosure of utility model

In order to solve the problems in the prior art, the utility model provides a slide block core pulling mechanism, which has the characteristics of avoiding repeated modification of a product structure on a die and improving the appearance yield of the product.

The sliding block core pulling mechanism comprises a sliding seat and a workpiece formed by the sliding block core pulling mechanism, wherein a fixed male die holder is arranged on one side of the sliding seat, a female die holder is arranged above the male die holder, a first core is arranged between the sliding seat and the female die holder, a second core is arranged between the sliding seat, the male die holder and the first core, the first core is movably connected with the sliding seat, an elastic piece for driving the sliding seat and the second core to move is further arranged between the first core and the sliding seat, the second core is fixedly installed with the sliding seat, and the sliding block further comprises a shovel base arranged at one end of the sliding seat far away from the first core and the second core and a guide column penetrating through the sliding seat.

As an optimized technical scheme of the utility model, the first core and the second core are connected with the sliding seat through the sliding blocks, the second core is fixedly installed with the sliding seat through the sliding blocks, the sliding blocks are fixed on the first core, and the sliding blocks fixed with the first core also slide in the sliding seat.

As a preferable technical scheme of the utility model, a sliding groove for sliding the sliding block on the first core is formed in the sliding seat.

As a preferable technical scheme of the utility model, the elastic piece is a spring, sinking grooves for installing the spring are formed in the sliding seat and the first core, and the sliding seat and the second core are separated from the first core and the workpiece through the spring.

As a preferable technical scheme of the utility model, the bottom of the first-size core is contacted with the second-size core, the mutual contact surfaces of the first-size core and the second-size core are obliquely arranged, and the oblique angle is parallel to the moving path of the sliding seat on the sliding block.

As a preferable technical scheme of the utility model, a chute for inserting the guide post is formed in the sliding seat, the second core and the sliding seat are contacted with the first core and the workpiece through the insertion of the guide post, and the contact surface between the shovel base and the sliding seat is obliquely arranged.

Compared with the prior art, the utility model has the advantages of strong universality, strong specialization, simple structure and the like, and secondly, the utility model technically achieves the following steps:

the manufacturing is simple and convenient, no special requirement is required, and the use requirement can be met by using common manufacturing means;

maintenance cost, namely, the purpose of automatic production can be achieved by improving a die slide block core-pulling mechanism;

the mould processing technology comprises the steps of milling shape characteristics and various countersunk holes and screw holes by utilizing CNC, and removing burrs, tool marks and the like of CNC by utilizing a grinding machine;

The mechanism is suitable for extreme environments such as high temperature, high pressure and the like, and is particularly suitable for the situation that the space is narrow and the environment is severe. The restriction on conditions in the mold design is small;

The use condition is not limited, an independent mechanism system is not needed to design other mechanical structures to provide power sources, and the injection mold is not influenced by the mold opening sequence.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

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

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic diagram of the present utility model in front view and semi-section;

In the figure, 1, a sliding seat; 2, a male die holder, 3, a female die holder, 4, a first core, 5, a second core, 6, a sliding block, 7, a spring, 8, a sliding chute, 9, a workpiece, 10, a shovel base, 11 and a guide post.

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.

Examples

Referring to fig. 1-3, the utility model provides a sliding block core pulling mechanism, which comprises a sliding seat 1 and a workpiece 9 formed by the sliding block core pulling mechanism, wherein one side of the sliding seat 1 is provided with a fixed male die seat 2, a female die seat 3 is arranged above the male die seat 2, a first core 4 is arranged between the sliding seat 1 and the female die seat 3, a second core 5 is arranged between the sliding seat 1 and the male die seat 2 and between the first core 4 and the sliding seat 1, an elastic piece for driving the sliding seat 1 and the second core 5 to move is also arranged between the first core 4 and the sliding seat 1, the second core 5 is fixedly installed with the sliding seat 1, and the sliding block comprises a shovel base 10 arranged at one end of the sliding seat 1 far away from the first core 4 and the second core 5 and a guide post 11 penetrating through the sliding seat 1.

Specifically, the first core 4 and the second core 5 are both connected with the slide 1 through the slide 6, the second core 5 is fixedly installed with the slide 1 through the slide 6, the slide 6 is fixed on the first core 4, and the slide 6 fixed with the first core 4 also slides in the slide 1.

Specifically, the sliding seat 1 is internally provided with the sliding groove 8 for sliding the sliding block 6 on the first mold core 4, and in the embodiment, the sliding groove 8 has a smaller stroke, so that the structure compactness is ensured while the function is not influenced.

Specifically, the elastic component is spring 7, and the heavy groove that is used for installing spring 7 has all been seted up to slide 1 and No. one core 4 inside, and slide 1 and No. two cores 5 break away from with No. one core 4 and work piece 9 through spring 7, and spring 7 provides power for slide 1 and No. two cores 5 and No. one core 4's breaking away from in this embodiment, is used for realizing the drawing of patterns of work piece 9 simultaneously, realizes drawing of patterns automation.

Specifically, the bottom of the first core 4 is in contact with the second core 5, the contact surfaces of the two cores are in inclined arrangement, the inclined angle is parallel to the moving path of the sliding seat 1 on the sliding block 6, and the inclined surfaces of the first core 4 and the second core 5 in the embodiment are used for guiding the second core 5.

Specifically, the chute for guiding the post 11 to insert is offered to slide 1 inside, no. two cores 5 and slide 1 pass through guiding post 11 insert with No. one core 4 and work piece 9 contact, and the contact surface sets up for the slope between shovel base 10 and the slide 1, and shovel base 10 plays the blocking effect of one side at guiding post 11 and slide 1 male in-process in this embodiment, guarantees the stable promotion of slide 1 and No. two cores 5 to No. one core 4 one side, and structural strength is high, and the reliability is strong.

The working principle and the use flow of the utility model are that the front end of a sliding block 6 is provided with a screw thread, a second core 5 is fixed on a sliding seat 1 through the sliding block 6, a matched spring groove is arranged between the sliding seat 1 and a first core 4, a spring 7 is arranged in the spring groove, a sliding groove 8 penetrates through the sliding seat 1 and is fixed with the first core 4 through the screw thread, at the moment, the sliding block 6 is positioned at one side of the sliding seat 1 and slides in the sliding groove 8, the sliding seat 1 and the second core 5 are separated from contact with the first core 4 under the action of the spring 7, and a shovel base 10 and a guide post 11 are fixed on an upper die of a die;

The die assembly is carried out, namely the shovel base 10 and the guide post 11 synchronously move downwards, the front end of the guide post 11 enters a guide groove of the sliding seat 1, the sliding seat 1 and the second core 5 are driven to cling to the first core 4, the spring 7 is compressed in a follow-up mode, and the male die holder 2, the female die holder 3, the first core 4 and the second core 5 form a forming cavity of a workpiece 9;

And (3) die opening, namely after injection molding is finished, the shovel base 10 and the guide post 11 move upwards, the sliding seat 1 and the second core 5 are ejected out under the action of the spring 7 and are separated from contact with the first core 4, and die opening is finished.

It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited thereto, but may be modified or substituted for some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The slide block core pulling mechanism comprises a slide seat (1) and a workpiece (9) formed through the slide block core pulling mechanism, a fixed male die holder (2) is arranged on one side of the slide seat (1), a female die holder (3) is arranged above the male die holder (2), and the slide block core pulling mechanism is characterized in that a first core (4) is arranged between the slide seat (1) and the female die holder (3), a second core (5) is arranged between the slide seat (1) and the male die holder (2) and between the first core (4) and the slide seat (1), the first core (4) is movably connected with the slide seat (1), an elastic piece for driving the slide seat (1) and the second core (5) to move is further arranged between the first core (4) and the slide seat (1), and the second core (5) is fixedly arranged, and the slide block (10) is further arranged at one end far away from the first core (4) and the second core (5) and a guide column (11) penetrating through the slide seat (1).

2. The slide block core pulling mechanism of claim 1, wherein the first core (4) and the second core (5) are connected with the slide block (1) through the slide block (6), the second core (5) is fixedly installed with the slide block (1) through the slide block (6), the slide block (6) is fixed on the first core (4), and the slide block (6) fixed with the first core (4) also slides in the slide block (1).

3. The slide block core pulling mechanism according to claim 2, wherein a sliding groove (8) for sliding the slide block (6) on the first core (4) is formed in the sliding seat (1).

4. The slide block core pulling mechanism of claim 1, wherein the elastic piece is a spring (7), sinking grooves for installing the spring (7) are formed in the slide seat (1) and the first core (4), and the slide seat (1) and the second core (5) are separated from the first core (4) and the workpiece (9) through the spring (7).

5. The slide block core pulling mechanism as set forth in claim 1, wherein the bottom of the first core (4) is in contact with the second core (5), and the contact surfaces of the two are inclined, and the inclination angle is parallel to the moving path of the slide block (1) on the slide block (6).

6. The slide block core pulling mechanism according to claim 1, wherein a chute for inserting the guide post (11) is formed in the slide block (1), the second core (5) and the slide block (1) are contacted with the first core (4) and the workpiece (9) through the insertion of the guide post (11), and the contact surface between the shovel base (10) and the slide block (1) is obliquely arranged.