Two-way core-pulling injection mold for sliding block

Abstract

The utility model relates to the technical field of injection molds, and discloses a slider bidirectional core-pulling injection mold, which comprises a mold main body, a product and a slider bidirectional core-pulling component arranged in the mold main body, an inner inclined hole is arranged on the inner side of the product, an outer inverted buckle is arranged on the outer side of the product, and the slider bidirectional core-pulling component is arranged in the mold main body. The sliding block bidirectional core pulling assembly comprises an outer sliding block matched with the outer inverted buckle, a wear-resisting block is arranged on the inclined face of the outer sliding block, and a shovel base is arranged on one side of the wear-resisting block. According to the utility model, through the precise matching of the guide block and the inner sliding block, the precise positioning in the inner inclined hole is realized, the phenomena of deviation and clamping stagnation in the core pulling process are effectively reduced, and the product quality and the production efficiency are improved; the design of the T-shaped block on the inner sliding block facilitates longitudinal core pulling, meanwhile, the inner sliding block is tightly combined with the mold body, stability in the longitudinal and transverse bidirectional core pulling process is ensured, product damage caused by demolding is reduced, the production cost is reduced, and the service life of the mold is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely is a slider two -way core -pulling injection mold. BACKGROUND

[0002] At present, the core-pulling and demolding of some injection products requires not only the horizontal core-pulling of the slider, but also the prior vertical core-pulling of the reverse-docking hole position involving the slider, that is, the vertical and horizontal core-pulling of "first vertical and then horizontal". The prior art adopts a combination of multiple independent slider core-pulling mechanisms to sequentially pull out the vertical core-pulling slider related to the same position of the product and then pull out the related horizontal core-pulling slider. This mode causes the mold mechanism to be complex, bulky, and high in material and processing costs.

[0003] The existing product has a core-pulling on the outer side, and the inner side has a reverse-docking with an inclined hole. The conventional method for the inner reverse-docking is to increase an inclined ejector for demolding. Since the product needs to be changed in structure due to the scraping of glue on the inclined top, a structure of slider core-pulling in two directions is developed.

[0004] Therefore, we provide a slider two-way core-pulling injection mold. INVENTION CONTENTS

[0005] The utility model discloses a slider two-way core-pulling injection mold to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a slider two-way core-pulling injection mold, comprising a mold main body, a product, and a slider two-way core-pulling assembly arranged inside the mold main body. The inner side of the product is provided with an inner inclined hole, and the outer side of the product is provided with an outer reverse-docking.

[0007] Preferably, the slider two-way core-pulling assembly comprises an outer slider matched with the outer reverse-docking. The inclined surface of the outer slider is provided with a wear-resistant block. One side of the wear-resistant block is provided with a shovel base, and a slanted guide column is arranged between the bottom of the shovel base and the outer slider. One side of the outer slider is further provided with a limiting screw, and the outer wall of the outer slider is provided with a pressing block on both sides.

[0008] Preferably, the bottom of the outer slider is provided with a guide block, and an inner slider is arranged on the guide block. One side of the bottom end of the inner slider is provided with a T-shaped block, and the top end of the inner slider is matched with the inner inclined hole.

[0009] The utility model provides a slider two-way core-pulling injection mold. The following beneficial effects are achieved:

[0010] (1) The present invention realizes precise positioning in the inner inclined hole through the precise cooperation between the guide block and the inner slider, effectively reduces the offset and jamming during the core pulling process, and improves the product quality and production efficiency; the T-shaped block design on the inner slider facilitates the longitudinal core pulling, and the close combination of the inner slider and the mold body ensures the stability during the longitudinal and transverse core pulling process, reduces the damage to the product caused by demoulding, reduces the production cost, and improves the service life of the mold.

[0011] (2) The utility model achieves the purpose of core pulling by the sliders in two directions at the same time by moving the inclined guide pins in the direction of mold opening when the mold is opened, and the slider moves backward under the action of the inclined guide pins, and at the same time the T-shaped block applies a pulling force to the inner slider in an oblique downward direction to make the inner slider move in an oblique downward direction; such an ingenious design makes the entire core pulling process more efficient and stable, greatly improves production efficiency and product quality, and reduces production costs; at the same time, the optimization of this structure also helps to reduce maintenance frequency and extend the service life of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a three-dimensional diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of the slider bidirectional core pulling assembly of the utility model;

[0014] Figure 3 This is a structural view of the product of the utility model;

[0015] Figure 4 This is a view of the core-filled state of the utility model;

[0016] Figure 5 This is a core pulling state view of the utility model.

[0017] In the figure: mold body 11, product 12, slider two-way core pulling assembly 2, inner inclined hole 121, outer undercut 122, outer slider 21, wear-resistant block 22, shovel base 23, limit screw 24, inclined guide column 25, pressure block 26, guide block 27, inner slider 28, T-shaped block 29. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0020] The preferred embodiment of the slider bidirectional core-pulling injection mold provided by the utility model is as follows: Figure 1-5 As shown: a slider two-way core-pulling injection mold, including a mold body 11, a product 12 and a slider two-way core-pulling assembly 2 arranged inside the mold body 11. The mold body 11 is usually composed of the following main systems: Structural system: including an upper mold (cavity mold) and a lower mold (core mold), which are closely matched to form the cavity shape of the product, and contain guiding, positioning and fixing mechanisms to ensure that the mold components are correctly aligned and move stably; Opening and closing system: controls the opening and closing action of the mold, usually composed of an ejection mechanism and an ejector mechanism; the ejection mechanism is used to eject the finished part from the mold, and the ejector mechanism is used to lift the core rod or piston for demolding; Filling system: including a nozzle, a nozzle temperature control system, a molten material supply system and a pressure control system; design and control have an important impact on product quality and production efficiency. Other systems that may be included: automatic demolding system, injection molding machine interface system, transmission system, etc., to meet specific production needs; Auxiliary components: mold base, mold frame, mold core and part ejection device, etc., these components are usually made into universal types. The inner side of the product 12 is provided with an inner oblique hole 121, and the outer side of the product 12 is provided with an outer undercut 122. The slider bidirectional core pulling assembly 2 includes an outer slider 21 that cooperates with the outer undercut 122. The inclined surface of the outer slider 21 is provided with a wear-resistant block 22. A shovel base 23 is provided on one side of the wear-resistant block 22, and an oblique guide column 25 is provided between the bottom of the shovel base 23 and the outer slider 21. A limit screw 24 is also provided on one side of the outer slider 21, and pressure blocks 26 are provided on both sides of the outer wall of the outer slider 21. A guide block 27 is provided at the bottom of the outer slider 21, and an inner slider 28 is provided on the guide block 27. A T-shaped block 29 is provided on one side of the bottom end of the inner slider 28, and the top end of the inner slider 28 is adapted to the inner oblique hole 121. This structure is simple and safe to operate, compact, and takes up little space, making it suitable for products with complex internal structures.

[0021] It is further obtained that the outer slider 21 is provided to play the role of core pulling on the outer side of the product.

[0022] It is further found that the provision of the wear-resistant block 22 can reduce the wear of the slider and the shovel base, thereby increasing durability.

[0023] It is further found that by setting the shovel base 23, a locking force is applied to the slider and the inclined guide column 25 is fixed; and the stable design of the shovel base 23 ensures the stability of the two-way core pulling assembly of the slider during the injection molding process, effectively improving the service life of the mold and the molding quality of the product.

[0024] It is further found that the setting of the limit screw 24 can limit the travel of the slider.

[0025] It is further found that by providing the inclined guide pillars 25 , thrust and pull are applied to the movement of the slider; and the precise design of the inclined guide pillars 25 ensures the smoothness and accuracy of the slider movement, ensuring the accuracy and stability of the product 12 during the demoulding process.

[0026] It is further concluded that the pressing block 26 is provided to precisely position the slider and guide its movement; the stability of the pressing block 26 is crucial to the dimensional accuracy and surface quality of the product.

[0027] It is further found that the guide block 27 is provided to precisely position the T-shaped block and guide its movement; the sophisticated design of the guide block 27 makes the movement of the inner slider 28 smoother, ensuring the precise forming of the inner inclined hole 121 and the overall quality of the product.

[0028] It is further obtained that by arranging the inner slider 28, the product can be buckled and core-pulled.

[0029] It is further obtained that by setting the T-shaped block 29, the purpose of applying push and pull forces to the drafting movement is achieved;

[0030] During operation, the mold is opened, and the inclined guide pin 25 moves in the mold opening direction. The slider, guided by the inclined guide pin 25, moves backward. Simultaneously, the T-shaped block applies a downward pulling force to the inner slider, causing it to move diagonally downward, achieving simultaneous core pulling from both sliders. This ingenious design makes the entire core pulling process more efficient and stable, significantly improving production efficiency and product quality while reducing production costs. Furthermore, this optimized structure helps reduce maintenance frequency and extend the mold's lifespan.

[0031] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A slider bidirectional core-pulling injection mold, comprising a mold body (11), a product (12), and a slider bidirectional core-pulling assembly (2) arranged inside the mold body (11), characterized in that: An inner oblique hole (121) is provided on the inner side of the product (12), and an outer undercut (122) is provided on the outer side of the product (12).

2. The slider bidirectional core-pulling injection mold according to claim 1, characterized in that: The slider bidirectional core pulling assembly (2) includes an outer slider (21) matched with an outer undercut (122), a wear-resistant block (22) is provided on the inclined surface of the outer slider (21), a shovel base (23) is provided on one side of the wear-resistant block (22), and an inclined guide column (25) is provided between the bottom of the shovel base (23) and the outer slider (21), a limiting screw (24) is also provided on one side of the outer slider (21), and pressure blocks (26) are provided on both sides of the outer wall of the outer slider (21).

3. The slider bidirectional core-pulling injection mold according to claim 2, characterized in that: A guide block (27) is provided at the bottom of the outer slider (21), an inner slider (28) is provided on the guide block (27), a T-shaped block (29) is provided on one side of the bottom end of the inner slider (28), and the top end of the inner slider (28) is adapted to the inner inclined hole (121).

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