Large-slide inner-travel small-slide injection mold structure

By introducing a structure where a large slide moves into a small slide in the injection mold, and using inclined slides and inclined guide pillars to drive the movement of small sliders, the problem of high mold cost is solved, and deep undercut injection molding is achieved in a small mold space, reducing the size requirements of the injection molding machine.

CN223630890UActive Publication Date: 2025-12-05ZHANGJIAGANG ZHONGTIAN PRECISION MOLDING
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Patent Information

Application Number
CN202423324184.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-05
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

In existing technologies, the large stroke of the slider leads to increased mold costs, especially when manufacturing transparent parts with high appearance requirements. The increased mold size and use of large injection molding machines increase economic costs.

Method used

The injection mold structure adopts a large slide with a small slide inside. By designing inclined slides and inclined guide pillars on the large slide, the small slide moves, shortening the stroke of the large slide. The small slide continues to move with the assistance of the inclined guide pillars, reducing the mold space requirements.

Benefits of technology

It enables synchronous sliding during mold opening within a smaller mold space, saving the size of the injection molding machine, reducing mold costs, and is suitable for injection molded products with deep undercuts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a large-slide inside-walking small-slide injection mold structure, which relates to the technical field of injection molds and comprises an upper mold, a lower mold, a large slide block, a small slide block, a T-shaped block and an inclined guide pillar, the T-shaped block is mounted on the upper mold, the large slide block is slidably mounted on the lower mold, a first slide way is designed on the large slide block, and a second slide way is designed on the small slide block. The first sliding way is obliquely arranged in the height direction, the transverse section of the T-shaped block is arranged in the first sliding way, the small sliding block is installed on the large sliding block so that the large sliding block can drive the small sliding block to move, an installation section for the small sliding block to slide is arranged on the large sliding block, and the small sliding block can slide on the installation section; a first inclined hole is formed in the small sliding block, the inclined guide column is arranged in the first inclined hole, the inclined direction of the first inclined hole is the same as that of the first sliding way, the length of the inclined guide column is larger than that of the first sliding way, and after the T-shaped block is separated from the first sliding way, the inclined guide column moves upwards to drive the small sliding block to continue to move, so that the movement stroke of the large sliding block is greatly reduced. And the method is more economical.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field especially is related to a big row position in walk small row position injection mold structure. BACKGROUND

[0002] For some appearance requirement higher transparent part, product long direction outside does not have the draw, and has the hole position reverse buckle, side surface directly does in product cavity, product ejection is easy to pull the transparent surface.

[0003] Normal practice is, outside adopts the whole big slider, like this slider stroke depends on the hole reverse buckle depth, stroke is relatively long, the mould size will be bigger, the mould size increases the injection molding machine platform used also becomes big, the overall economic cost increases. INVENTION CONTENTS

[0004] The utility model discloses a big row position in walk small row position injection mold structure to solve the technical problem of the high cost of the mold caused by the stroke of the big slider in the mold in the prior art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The utility model provides a big row position in walk small row position injection mold structure, including upper mould, lower mould, big slider, small slider, T type block, inclined guide column, the T type block is installed on the upper mould, the big slider is slidably installed on lower mould, wherein, the first slide way is designed on the big slider, the first slide way is inclined and is arranged along the height direction, and the transverse section of T type block is arranged in the first slide way, the small slider is installed on the big slider, and the mounting section for the small slider sliding is arranged on the big slider, and the small slider can slide on the mounting section, wherein, the first inclined hole is arranged on the small slider, the inclined guide column is arranged in the first inclined hole, and the inclination direction of the first inclined hole is same with the inclination direction of the first slide way, so that the big slider drives the small slider to move, the length of the inclined guide column is longer than the first slide way, after the T type block separates from the first slide way, the inclined guide column drives the small slider to continue moving.

[0007] Preferably, the first locking block for locking the small slider is further included, and the first locking block is fixed on the upper mould.

[0008] Preferably, the limiting clamp is arranged on one side of the small slider, and the elastic element is arranged in the limiting clamp, so that the limiting clamp can abut against the small slider.

[0009] Preferably, the lower mold is fixed with a second sliding block, and the bottom of the large sliding block is provided with a second sliding channel, when one end of the second sliding channel abuts against the second sliding block, the large sliding block stops moving.

[0010] Preferably, the side of the T-shaped block in contact with the large sliding block is provided with a wear plate.

[0011] Preferably, the T-shaped block is provided with a first recess, and the position of the first recess corresponds to the position of the second sliding block.

[0012] Preferably, the end of the small sliding block close to the first locking block is provided with a first inclined surface, and the end of the first locking block close to the small sliding block is provided with a second inclined surface.

[0013] Preferably, the small sliding block comprises a first connecting section, a second connecting section and a third connecting section connected in sequence, the cross-sectional area of the third connecting section is greater than that of the first connecting section, the two sides of the second connecting section are provided with third inclined surfaces, the large sliding block is designed with a first mounting section and a second mounting section, the two sides of the first mounting section are provided with fourth inclined surfaces, the third inclined surfaces abut against the fourth inclined surfaces, and the second mounting section is for the small sliding block to slide.

[0014] The technical scheme provided in the application file has the following beneficial effects:

[0015] The utility model provides a kind of big row position in small row position injection mold structure, including upper die, lower die, big slider, small slider, T block, inclined guide pillar, wherein, when opening mould, by the movement of upper die, to drive big slider and small slider to move, specifically, T block is installed on upper die, big slider is slidably installed on lower die, wherein, first slide is designed on big slider, first slide is inclinedly arranged along height direction, the transverse section of T block is arranged in first slide, when upper die moves, drive T block to move, T block drives big slider to move when moving, to realize opening and closing;For the injection moulding product with reverse buckle, small slider is set relatively deep, so it needs to move relatively long distance, to separate from injection moulding product, small slider is installed on big slider, to make big slider drive small slider to move, wherein, installation section is provided for small slider to slide on big slider, small slider can slide on installation section;In order to facilitate driving small slider to move, first inclined hole is provided on small slider, inclined guide pillar is arranged in first inclined hole, the inclination direction of first inclined hole is same with the inclination direction of first slide, so that big slider moves while driving small slider to move simultaneously, in order to facilitate small slider to continue to move, the length of inclined guide pillar is longer than first slide, after T block separates from first slide, inclined guide pillar moves upwards and drives small slider to continue to move, so set, greatly reduce the movement stroke of big slider, for relatively deep reverse buckle, people only need to move small slider, greatly save the size of injection molding machine, more economical. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0017] Figure 1 It is the big row position injection mold structure in small row position of the utility model embodiment one.

[0018] Figure 2 It is the structure schematic diagram of big row position injection mold structure in small row position without upper die according to an exemplary embodiment;

[0019] Figure 3 It is Figure 2 Partial enlarged view in

[0020] Figure 4 It is the structure schematic diagram of big slider according to an exemplary embodiment;

[0021] Figure 5is a structural schematic view of a small slider according to an exemplary embodiment;

[0022] Figure 6 is a structural schematic view of a large slider and a wear plate according to an exemplary embodiment;

[0023] Figure 7 is a structural schematic view of a T-shaped block according to an exemplary embodiment.

[0024] In the figure: 1, upper mold; 2, lower mold; 3, large slider; 31, first slide; 32, first mounting section; 33, second mounting section; 34, second slide; 4, small slider; 41, first connecting section; 42, second connecting section; 43, third connecting section; 44, first inclined hole; 5, T-shaped block; 51, first groove; 52, wear plate; 6, inclined guide pillar; 7, first locking block; 8, limiting clamp; 9, second slider. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the present application more clear, the technical scheme of the present application will be described in detail below. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0026] The specific embodiment provides a large row position small row position injection mold structure, which solves the technical problem of high mold cost caused by the stroke of the large slider in the mold in the prior art.

[0027] Hereinafter, the embodiments will be described with reference to the accompanying drawings. In addition, the embodiments shown below do not have any limiting effect on the utility model content recited in the claims. In addition, the entire content of the configuration represented by the following embodiments is not limited to being necessary as a solution to the utility model recited in the claims.

[0028] Reference Figures 1-7The utility model provides a kind of big row position inside walk small row position injection mould structure, including upper die 1, lower die 2, big slider 3, small slider 4, T block 5, inclined guide pillar 6, wherein, when opening mould, by the movement of upper die 1, and then drive big slider 3 and small slider 4 move, specifically, T block 5 is installed on upper die 1, big slider 3 is slidably installed on lower die 2, wherein, first slide 31 is designed on big slider 3, first slide 31 is inclined and is arranged along height direction, the transverse section of T block 5 is arranged in first slide 31, when upper die 1 moves, drive T block 5 moves, T block 5 moves to drive big slider 3 to move, to realize opening and closing;For injection moulding product with reverse buckle, small slider 4 is set relatively deep, so need to move relatively long distance, to separate from injection moulding product, small slider 4 is installed on big slider 3, to make big slider 3 drive small slider 4 move, wherein, installation section is provided for small slider 4 to slide on big slider 3, small slider 4 can slide on installation section;In order to facilitate drive small slider 4 to move, first inclined hole 44 is provided on small slider 4, inclined guide pillar 6 is arranged in first inclined hole 44, the inclination direction of first inclined hole 44 is same with the inclination direction of first slide 31, so, big slider 3 moves while driving small slider 4 to move simultaneously, in order to facilitate small slider 4 to continue moving, the length of inclined guide pillar 6 is longer than first slide 31, after T block 5 separates from first slide 31, inclined guide pillar 6 moves upwards and drives small slider 4 to continue moving, so set, greatly reduce the movement stroke of big slider 3, for relatively deep reverse buckle, people only need to move small slider 4, that is, in smaller mould space, opening mould synchronous sliding avoids different stroke requirements of reverse buckle, greatly saves the size of injection molding machine, more economical.

[0029] Among one set of mould, at least one group of big slider 3, small slider 4, T block 5, inclined guide pillar 6 can be provided, when setting two groups and more than two groups, T block 5 arranged between two cavities can be connected together.

[0030] Further optimization scheme, in order to enable small slider 4 to be locked, first locking block 7 for locking small slider 4 is further included, first locking block 7 is fixed on upper die 1, when moulding, first locking block 7 abuts on the end of small slider 4 away from injection moulding product, so that small slider 4 is stably installed on big slider 3.

[0031] Among them, in order to facilitate first locking block 7 to abut tightly with small slider 4, the end of small slider 4 close to first locking block 7 is provided as first inclined surface, the end of first locking block 7 close to small slider 4 is provided as second inclined surface, so set, facilitate first locking block 7 and small slider 4 to approach or separate.

[0032] Further optimization scheme, in order to avoid the small slider 4 shake, the lower mold 2 is provided with a limit clip 8, the limit clip 8 is arranged on one side of the small slider 4, wherein the limit clip 8 is provided with a elastic element, so that the limit clip 8 can be tightly closed to the small slider 4, but the limit clip 8 is only tightly closed to the small slider 4 and the large slider 3, and will not limit the stroke of the small slider 4, as shown in Figures 2-3 The small slider 4 is arranged on one side of the large slider 3, and is not arranged at the middle position of the large slider 3.

[0033] Further optimization scheme, in order to ensure that the large slider 3 can move linearly, the second slider 9 is fixed on the lower mold 2, and the second sliding groove 34 is arranged at the bottom of the large slider 3, and the second slider 9 is arranged in the second sliding groove 34, wherein when one end of the second sliding groove 34 is tightly closed to the second slider 9, the large slider 3 stops moving, and due to the limitation between the second slider 9 and the second sliding groove 34, the linear movement of the large slider 3 can be ensured.

[0034] Further optimization scheme, in order to prolong the service life of the T-shaped block 5, the wear-resistant plate 52 is arranged on the side of the T-shaped block 5 which is in contact with the large slider 3, and the wear-resistant plate 52 is in contact with the large slider 3 under the driving of the upper mold 1, thereby prolonging the service life of the T-shaped block 5.

[0035] Further optimization scheme, since the second slider 9 is arranged on the lower mold 2, the first recess 51 is arranged on the T-shaped block 5, and the position of the first recess 51 corresponds to the position of the second slider 9, so that the downward movement of the T-shaped block can also be limited.

[0036] Further optimization scheme, in order to facilitate the limitation of the small slider 4, the small slider 4 comprises a first connecting section 41, a second connecting section 42 and a third connecting section 43 which are connected in sequence, wherein the cross-sectional area of the third connecting section 43 is greater than that of the first connecting section 41, the first connecting section 41 extends out of the mounting section on the large slider 3, the second connecting section 42 is provided with third inclined surfaces on both sides, the mounting section on the large slider 3 comprises a first mounting section 32 and a second mounting section 33, the first mounting section 32 is provided with fourth inclined surfaces on both sides, the third inclined surfaces are tightly closed to the fourth inclined surfaces, and the second mounting section 33 is used for sliding the small slider 4, so that the second connecting section 42 on the small slider 4 is mounted on the second mounting section 33, and the probability of collision is reduced.

[0037] It should be noted that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicated in the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance.

[0038] In the description herein, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

[0040] It can be understood that the same or similar parts in the above embodiments can be mutually referred to, and the contents not described in detail in some embodiments can be referred to the same or similar contents in other embodiments. The multiple schemes provided by the present application contain the basic scheme itself, are independent of each other and do not restrict each other, but they can also be combined with each other without conflict to achieve multiple effects together.

[0041] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can make changes, modifications, replacements and modifications to the above embodiments within the scope of the present application.

Claims

1. A structure of injection mold for injection molding a small row in a large row, characterized by, The utility model provides a mould, including upper mould (1), lower mould (2), big slider (3), small slider (4), T -shaped block (5), inclined guide pillar (6), the T -shaped block (5) is installed on the upper mould (1), big slider (3) is slidably installed on lower mould (2), wherein, the first slide (31) is designed on big slider (3), the first slide (31) is inclinedly arranged along the height direction, and the transverse section of T -shaped block (5) is arranged in the first slide (31), small slider (4) is installed on big slider (3), and the mounting section for small slider (4) sliding is provided on big slider (3), and small slider (4) can slide in the mounting section, wherein, the first inclined hole (44) is provided on small slider (4), the inclined guide pillar (6) is arranged in the first inclined hole (44), the inclination direction of first inclined hole (44) is same with the inclination direction of first slide (31), to make big slider (3) drive small slider (4) movement, the length of inclined guide pillar (6) is longer than the first slide (31), after T -shaped block (5) is separated from the first slide (31), inclined guide pillar (6) drives small slider (4) to continue movement.

2. The injection mold structure for injection molding a large row of small rows according to claim 1, wherein, It also includes the first locking block (7) that locks small slider (4), and the first locking block (7) is fixed on the upper mould (1).

3. The injection mold structure for injection molding a large row of small rows according to claim 1, wherein, The stopper clamp (8) is arranged on the lower mould (2), and the stopper clamp (8) is arranged on one side of the small slider (4), wherein the elastic member is arranged in the stopper clamp (8) to enable the stopper clamp (8) to abut against the small slider (4).

4. The injection mold structure for molding a small row of products in a large row according to claim 1, wherein, The second slider (9) is fixed on the lower mould (2), and the second slide (34) is arranged at the bottom of the big slider (3), and when one end of the second slide (34) abuts against the second slider (9), the big slider (3) stops moving.

5. The large runner small runner injection mold structure of claim 1, wherein, The side of the T-shaped block (5) in contact with the big slider (3) is provided with a wear plate (52).

6. The large runner small runner injection mold structure of claim 4, wherein, The first groove (51) is arranged on the T-shaped block (5), and the position of the first groove (51) corresponds to the position of the second slider (9).

7. The large runner small runner injection mold structure of claim 2, wherein, The end of the small slider (4) close to the first locking block (7) is provided with a first inclined surface, and the end of the first locking block (7) close to the small slider (4) is provided with a second inclined surface.

8. The large runner small runner injection mold structure of claim 1, wherein, The small slider (4) comprises a first connecting section (41), a second connecting section (42) and a third connecting section (43) connected in sequence, the cross-sectional area of the third connecting section (43) is larger than that of the first connecting section (41), the two sides of the second connecting section (42) are provided with third inclined surfaces, the first mounting section (32) and the second mounting section (33) are designed on the big slider (3), the two sides of the first mounting section (32) are provided with fourth inclined surfaces, the third inclined surfaces abut against the fourth inclined surfaces, and the second mounting section (33) is for sliding the small slider (4).