Sliding block core-pulling mechanism

Abstract

The utility model belongs to the technical field of injection molding machine molds, and particularly relates to a sliding block core-pulling mechanism which comprises a sliding seat and a workpiece formed through the sliding block core-pulling mechanism, a fixed male mold seat is arranged on one side of the sliding seat, a female mold seat is arranged above the male mold seat, a first mold core is arranged between the sliding seat and the female mold seat, and a second mold core is arranged between the sliding seat and the female mold seat. A second mold core is arranged among the sliding seat, the male mold seat and the first mold core; the utility model has no special requirements, can meet the use requirements by using common manufacturing means, can achieve the purpose of automatic production by improving the sliding block core-pulling mechanism of the mold, can mill shape characteristics and various counterbores and thread holes by using CNC, can remove burrs, tool marks and the like of the CNC by using a grinding machine, is suitable for extreme environments such as high temperature and high pressure, and has a wide application prospect. And the device is particularly suitable for narrow space and severe environment. In the mold design, the limitation of conditions is small, an independent mechanism system is adopted, other mechanical structures do not need to be designed to provide a power source, and the injection mold is not influenced by the mold opening sequence.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molding machine molds, and particularly relates to a slide core-pulling mechanism. Background Art

[0002] The injection molding machine mold consists of two parts: a movable mold and a fixed mold. The movable mold is installed on the movable mold plate of the injection molding machine, and the fixed mold is installed on the fixed mold plate of the injection molding machine. During injection molding, the movable mold and the fixed mold are closed to form a pouring system and a cavity. When the mold is opened, the movable mold and the fixed mold are separated to take out the plastic product.

[0003] Injection molding machine molds often use a slider mechanism to achieve the purpose of side core pulling, but this structure has great limitations and can only achieve conventional side core pulling, and sometimes cannot meet the customer's structural requirements for the product. Usually in this case, we can only ask the customer to change the product structure and then use the conventional slider mechanism to achieve side core pulling, which is time-consuming and labor-intensive;

[0004] In order to solve the above problems, a slider core-pulling mechanism is proposed in the present application. Utility Model Content

[0005] In order to solve the above problems existing in the prior art, the utility model provides a slider core-pulling mechanism, which has the characteristics of avoiding repeated modification of the mold for the product structure and improving the product appearance yield.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a slider core-pulling mechanism, comprising a slider and a workpiece formed by the slider core-pulling mechanism, a fixed male mold seat is provided on one side of the slider, a female mold seat is provided above the male mold seat, a No. 1 core is provided between the slider and the female mold seat, a No. 2 core is provided between the slider, the male mold seat and the No. 1 core, the No. 1 core is movably connected to the slider, an elastic member that drives the slider and the No. 2 core to move is also provided between the No. 1 core and the slider, the No. 2 core is fixedly installed with the slider, and also includes a shovel base arranged at one end of the slider away from the No. 1 core and the No. 2 core, and a guide column that passes through the slider.

[0007] As a preferred technical solution of the utility model, the core No. 1 and the core No. 2 are both connected to the slide seat through a slider, the core No. 2 is fixedly installed on the slide seat through the slider, the core No. 1 is fixed with a slider, and the slider fixed to the core No. 1 also slides in the slide seat.

[0008] As a preferred technical solution of the utility model, a sliding groove for sliding the slider on the No. 1 core is provided inside the sliding seat.

[0009] As a preferred technical solution of the utility model, the elastic member is a spring, and the inside of the slide seat and the No. 1 core are provided with a recessed groove for installing the spring, and the slide seat and the No. 2 core are separated from the No. 1 core and the workpiece through the spring.

[0010] As a preferred technical solution of the utility model, the bottom of the No. 1 core contacts the No. 2 core, and the contact surfaces between the two are inclined, and the inclination angle is parallel to the moving path of the slide seat on the slider.

[0011] As a preferred technical solution of the utility model, an inclined groove for inserting the guide column is opened inside the slide seat, the No. 2 core and the slide seat are in contact with the No. 1 core and the workpiece through the insertion of the guide column, and the contact surface between the shovel base and the slide seat is inclined.

[0012] Compared with the prior art, the beneficial effects of the utility model are: the utility model has the characteristics of strong versatility, strong professionalism, simple structure, etc.; secondly, the technology achieves:

[0013] Easy to make: no special requirements, common production methods can meet the use requirements;

[0014] Maintenance cost: By improving the core pulling mechanism of the mold slider, the purpose of automated production can be achieved;

[0015] Mold processing technology: Use CNC to mill out shape features and various countersunk holes and screw holes, and use grinders to remove CNC burrs and knife marks;

[0016] Strong versatility: This mechanism is suitable for extreme environments such as high temperature and high pressure, and is particularly suitable for use in confined spaces and harsh environments. It is less restricted by conditions in mold design;

[0017] Unrestricted use conditions: independent mechanism system, no need to design other mechanical structures to provide power source, and not affected by the mold opening sequence in the injection mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a structural schematic diagram of the main view of the utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the utility model from a top view;

[0021] Figure 3 This is a schematic diagram of the structure of the utility model in a half-section view from the front;

[0022] In the figure: 1. slide seat; 2. male mold seat; 3. female mold seat; 4. core No. 1; 5. core No. 2; 6. slide block; 7. spring; 8. slide groove; 9. workpiece; 10. shovel base; 11. guide column. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example

[0025] See also Figure 1-3 The utility model provides the following technical solutions: a slider core-pulling mechanism, including a slider 1 and a workpiece 9 formed by the slider core-pulling mechanism, a fixed male mold seat 2 is provided on one side of the slider 1, a female mold seat 3 is provided above the male mold seat 2, a No. 1 core 4 is provided between the slider 1 and the female mold seat 3, a No. 2 core 5 is provided between the slider 1, the male mold seat 2 and the No. 1 core 4, the No. 1 core 4 is movably connected to the slider 1, and an elastic member for driving the slider 1 and the No. 2 core 5 to move is also provided between the No. 1 core 4 and the slider 1, the No. 2 core 5 is fixedly installed with the slider 1, and also includes a shovel base 10 arranged at one end of the slider 1 away from the No. 1 core 4 and the No. 2 core 5 and a guide column 11 that passes through the slider 1. This embodiment has the characteristics of strong versatility, strong professionalism, and simple structure.

[0026] Specifically, core number one 4 and core number two 5 are connected to the slide seat 1 via a slider 6 , core number two 5 is fixedly mounted to the slide seat 1 via the slider 6 , a slider 6 is fixed to core number one 4 , and the slider 6 fixed to core number one 4 also slides in the slide seat 1 .

[0027] Specifically, a slide groove 8 for sliding the slider 6 on the No. 1 core 4 is provided inside the slide seat 1. In this embodiment, the slide groove 8 has a relatively small stroke, which ensures the compactness of the structure without affecting the function.

[0028] Specifically, the elastic member is a spring 7, and a recessed groove for installing the spring 7 is provided inside the slide 1 and the No. 1 core 4. The slide 1 and the No. 2 core 5 are separated from the No. 1 core 4 and the workpiece 9 through the spring 7. In this embodiment, the spring 7 provides power for the slide 1 and the No. 2 core 5 to separate from the No. 1 core 4, and is also used to realize the demolding of the workpiece 9, thereby realizing demolding automation.

[0029] Specifically, the bottom of core No. 1 4 contacts with core No. 2 5, and the contact surfaces between the two are inclined, and the inclination angle is parallel to the moving path of the slide 1 on the slider 6. In this embodiment, the inclined surface where core No. 1 4 and core No. 2 5 contact is used to guide core No. 2 5.

[0030] Specifically, an inclined groove for inserting the guide column 11 is opened inside the slide 1. The No. 2 core 5 and the slide 1 are in contact with the No. 1 core 4 and the workpiece 9 through the insertion of the guide column 11, and the contact surface between the shovel base 10 and the slide 1 is inclined. In this embodiment, the shovel base 10 plays a blocking role on one side during the insertion of the guide column 11 and the slide 1, ensuring the stable push of the slide 1 and the No. 2 core 5 toward the side of the No. 1 core 4, with high structural strength and strong reliability.

[0031] The working principle and use process of the utility model are as follows: a thread is provided at the front end of the slider 6, the No. 2 core 5 is fixed on the slider 1 through the slider 6, a matching spring groove is provided between the slider 1 and the No. 1 core 4, the spring 7 is placed in the spring groove, the slide groove 8 penetrates the slider 1 and is fixed to the No. 1 core 4 through the thread, at this time, the slider 6 is located at one side of the slider 1 and slides in the slide groove 8, the slider 1 and the No. 2 core 5 are separated from the contact with the No. 1 core 4 under the action of the spring 7, and the shovel base 10 and the guide column 11 are fixed on the upper mold of the mold;

[0032] Mold closing: The shovel base 10 and the guide column 11 move downward synchronously, and the front end of the guide column 11 enters the guide groove of the slide 1. At this time, the slide 1 and the second core 5 are driven to be close to the first core 4, and the spring 7 is compressed accordingly. The male mold base 2, the female mold base 3, the first core 4, and the second core 5 form a molding cavity for the workpiece 9;

[0033] Mold opening: After the injection molding is completed, the shovel base 10 and the guide column 11 move upward, the slide 1 and the second core 5 are ejected under the action of the spring 7 and are out of contact with the first core 4, and the mold opening is completed.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A slider core-pulling mechanism, comprising a slider (1) and a workpiece (9) formed by the slider core-pulling mechanism, wherein a fixed male mold seat (2) is provided on one side of the slider (1), and a female mold seat (3) is provided above the male mold seat (2), characterized in that: A No. 1 core (4) is arranged between the slide seat (1) and the female mold seat (3); a No. 2 core (5) is arranged between the slide seat (1), the male mold seat (2) and the No. 1 core (4); the No. 1 core (4) is movably connected to the slide seat (1); an elastic member for driving the slide seat (1) and the No. 2 core (5) to move is also arranged between the No. 1 core (4) and the slide seat (1); the No. 2 core (5) is fixedly installed on the slide seat (1) and also includes a shovel base (10) arranged at one end of the slide seat (1) away from the No. 1 core (4) and the No. 2 core (5) and a guide column (11) penetrating the slide seat (1).

2. A slider core-pulling mechanism according to claim 1, characterized in that: The first core (4) and the second core (5) are both connected to the slide seat (1) via a slider (6); the second core (5) is fixedly mounted on the slide seat (1) via the slider (6); the first core (4) is fixed with a slider (6); and the slider (6) fixed to the first core (4) also slides in the slide seat (1).

3. A slider core-pulling mechanism according to claim 2, characterized in that: The slide seat (1) is provided with a slide groove (8) for sliding the upper slide block (6) of the first core (4).

4. A slider core-pulling mechanism according to claim 1, characterized in that: The elastic member is a spring (7), and a recessed groove for installing the spring (7) is provided inside the slide seat (1) and the first core (4). The slide seat (1) and the second core (5) are separated from the first core (4) and the workpiece (9) by the spring (7).

5. The slider core-pulling mechanism according to claim 1, characterized in that: The bottom of the No. 1 mold core (4) contacts the No. 2 mold core (5), and the contact surfaces between the two are inclined, and the inclination angle is parallel to the moving path of the slide seat (1) on the slider (6).

6. A slider core-pulling mechanism according to claim 1, characterized in that: The slide seat (1) is provided with an inclined groove for inserting a guide column (11), the second core (5) and the slide seat (1) are in contact with the first core (4) and the workpiece (9) through the insertion of the guide column (11), and the contact surface between the shovel base (10) and the slide seat (1) is inclined.

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