Bidirectional core-pulling structure of sliding block

Abstract

The utility model belongs to the field of automobile injection molds, and particularly relates to a sliding block bidirectional core-pulling structure which comprises a sliding block, pressing strips, an inclined guide column, a limiting block, a T-shaped sliding block, a limiting screw and a spring, the sliding block and the T-shaped sliding block are respectively located at inverted buckling positions on two sides of a product, the pressing strips are arranged on two sides of the sliding block, and the sliding block horizontally moves along the axial direction of the pressing strips. The inclined guide column movably penetrates through the sliding block, the limiting block is located on the left side of the sliding block and limits the sliding block, an inclined through screw hole is formed in one side of the T-shaped sliding block, an inclined spring hole is formed in the other side of the T-shaped sliding block, the lower hole diameter of the screw hole is larger than the upper hole diameter of the screw hole, and a limiting screw moves in the lower screw hole. The sliding block moves leftwards under the action of the inclined guide column, the T-shaped sliding block moves rightwards under the action of the spring and the mold, and therefore the sliding block and the T-shaped sliding block are separated from inverted buckles on the two sides of a product respectively. Two-way simultaneous demolding is completed in a mechanical mode, the occupied space is small, and stability is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of automobile injection mold, concretely relates to a slider bidirectional core-pulling structure. BACKGROUND

[0002] For the plastic mold product, if there are two directions of reverse buckling, currently, the slider structure is generally used on the periphery, and the oil cylinder core-pulling structure is used on the other side due to the structural limitation. Figure 1 As shown in the figure, due to the limitation of the product's bilateral clamping features and the requirement of high size, the oil cylinder core-pulling structure is generally used, but the oil cylinder core-pulling is not stable and may appear to retreat due to the influence of the injection force, and the product is prone to flash and step difference. In addition, in order to pull a clamping feature, the mold is designed with an oil cylinder core-pulling, which has a high cost, and the maintenance cost is also high in the later production process. UTILITY MODEL CONTENTS

[0003] In order to solve the above problems in the prior art, the utility model provides a slider bidirectional core-pulling structure, which completes bidirectional demolding at the same time through the mechanical form of driving sliding by the inclined guide pillar and the spring, and the mechanical structure not only occupies small space, but also is stable.

[0004] In order to achieve the above purpose, the utility model provides the following technical scheme: a slider bidirectional core-pulling structure, which comprises a slider, a pressing strip, an inclined guide pillar, a limiting block, a T-shaped slider, a limiting screw and a spring, the slider and the T-shaped slider are respectively located at the reverse buckling positions on the two sides of the product, the pressing strip is arranged on the two sides of the slider and the slider moves horizontally along the axial direction of the pressing strip, the inclined guide pillar is movably inclinedly penetrated in the slider, the limiting block is located on the left side of the slider and limits the slider, a screw hole which is inclinedly penetrated is formed on one side of the T-shaped slider, a spring hole which is inclinedly penetrated is formed on the other side of the T-shaped slider, the limiting screw is arranged in the screw hole, the spring is arranged in the spring hole in a compressed state, the lower hole diameter of the screw hole is larger than the upper hole diameter, and the limiting screw moves in the lower screw hole, when the mold is opened, the inclined guide pillar and the mold are synchronously vertically moved upward, so that the slider moves to the left under the action of the inclined guide pillar, and the T-shaped slider moves to the right under the action of the spring and the mold, so that the slider and the T-shaped slider are respectively separated from the reverse buckling positions on the two sides of the product.

[0005] Further, a guide column is arranged on the slider, a horizontal guide hole is arranged on the lower part of the T-shaped slider, the guide column is inserted into the guide hole, and an inclined sliding block is arranged on the side edge of the T-shaped slider.

[0006] Further, an inclined hole is arranged on the left side of the slider, the inclined hole is inclined to the right, the inclined guide column is inserted into the inclined hole, and the screw hole, the spring hole and the sliding block are all inclined to the left.

[0007] Further, protrusions are arranged on the two sides of the slider, and the pressing strip is located on the protrusions on the two sides.

[0008] Compared with the prior art, the utility model has the advantages that: the utility model discloses two-way simultaneous sliding of the sliding block and the T-shaped sliding block is separated from the clamping reverse buckling feature of the two sides of the product, the peripheral sliding block moves left under the action of the inclined guide pillar when the mold is opened, the T-shaped sliding block moves right under the action of the spring force and the guide column on the sliding groove on the mold core and the sliding block under the action of synchronous mold opening, the T-shaped sliding block and the sliding block complete the reverse buckling demolding of the clamping feature on both sides synchronously, so that the problem that the mold does not need the oil cylinder core pulling is solved, and the mechanical form does not exist the core pulling back-off situation, the stability of production and the maintenance are more convenient, the utility model discloses the mechanical form, occupies small, does not stick to the mold, stable structure, thereby greatly reduce the risk in the production process, reduce the cost and purchase cost of the mold. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is prior art structure schematic diagram;

[0010] Figure 2 It is the structure schematic diagram when the utility model discloses installing to product;

[0011] Figure 3 It is the utility model and product explosion map;

[0012] Figure 4 It is Figure 3 The enlarged view in A;

[0013] Figure 5 It is the plan view when the utility model discloses installing to product;

[0014] Figure 6 It is Figure 5 The section view in B-B;

[0015] Figure 7 It is Figure 6 The enlarged view in C;

[0016] Figure 8 It is the reverse buckling structure schematic diagram when the utility model discloses separating product;

[0017] Figure 9 It is Figure 8 The enlarged view in D;

[0018] Figure 10 It is the plan view when the utility model discloses demolding on the mold;

[0019] Figure 11 It is Figure 10 The section view in E-E. DETAILED DESCRIPTION

[0020] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 2-11 The utility model provides the following technical scheme: a slider bidirectional core pulling structure, including slider 2, batten 3, inclined guide pillar 4, limit block 5, T type slider 6, limit screw 7 and spring 8, wherein batten 3 sets up two, inclined guide pillar 4 can also set up two, slider 2 and T type slider 6 are located the reverse buckling of product 1 both sides respectively, the right end of slider 2 and the left end of T type slider 6 are connected with the reverse buckling of product 1 both sides respectively, slider 2 right end is inserted horizontally in T type slider 6, batten 3 is set up in slider 2 both sides and slider 2 moves horizontally along batten 3 axial direction, slider 2 moves horizontally between two battens 3, inclined guide pillar 4 is in slider 2, and inclined guide pillar 4 is fixed on the mould, when inclined guide pillar 4 is driven vertically upward by the mould, inclined guide pillar 4 pushes slider 2 and moves horizontally along batten 3 axial direction, slider 2 and the reverse buckling of product 1 one side are separated, limit block 5 is located the left side of slider 2 and limits slider 2, slider 2 moves left until slider 2 is limited by limit block 5, and slider 2 stops moving, the one side of T type slider 6 is provided with inclined screw hole 63, and the other side is provided with inclined spring hole 64, limit screw 7 is set up in screw hole 63, and spring 8 is compressed and set up in spring hole 64, when the mould is opened, the spring force of spring 8 pushes T type slider 6 and moves right, and since slider 2 right end is inserted horizontally in T type slider 6, so T type slider 6 moves right along the horizontal direction, the lower hole diameter of screw hole 63 is greater than the upper hole diameter, and limit screw 7 moves in lower screw hole 63, at this time, limit screw 7 is pushed upward by T type slider 6 and moves, limit screw 7 moves in lower screw hole 63 until moves to the top of lower screw hole 63, and limit screw 7 stops moving, at this time, T type slider 6 also stops moving, when the mould is opened, inclined guide pillar 4 and the mould vertically move synchronously, so that slider 2 moves left under the action of inclined guide pillar 4, and T type slider 6 moves right under the action of spring 8 and the mould, so that slider 2 and T type slider 6 are separated from the reverse buckling of product 1 both sides respectively.

[0022] Specifically, the slider 2 is provided with a guide column 21 at the right end, the T-shaped slider 6 is provided with a horizontal guide hole 61 at the lower part, the guide column 21 is inserted into the guide hole 61, the T-shaped slider 6 is provided with a slanted sliding block 62 at the side edge, the T-shaped slider 6 is provided with the sliding block 62 at both sides of the side edge, the T-shaped slider 6 is installed on the front die core 9, the front die core 9 is provided with a sliding groove 91 matched with the sliding block 62, after the mold is opened, the T-shaped slider 6 moves right under the action of the spring 8, at the same time, the T-shaped slider 6 also moves horizontally under the action of the guide column 21, and the top end of the limiting screw 7 is fixed with the front die core 9, when the T-shaped slider 6 moves right horizontally, the limiting screw 7 moves up in the lower screw hole 63, and the limiting screw 7 drives the front die core 9 to move up through the sliding groove 91.

[0023] Specifically, the slider 2 is provided with a slanted hole 22 at the left side, the slanted hole 22 is inclined to the right, the number of the slanted hole 22 is consistent with the number of the slanted guide column 4, two slanted guide columns 4 are respectively inserted into two slanted holes 22, the screw hole 63, the spring hole 64 and the sliding block 62 are all inclined to the left, and the sliding groove 91 is also inclined to the left, so that the slider 2 can move left under the action of the slanted guide column 4, the T-shaped slider 6 moves right under the action of the spring 8 and the sliding groove 91 and the guide column 21.

[0024] Specifically, the slider 2 is provided with a protruding block 23 at both sides, the pressing strip 3 is located on the protruding blocks 23 at both sides, and the slider 2 is pressed by the pressing strip 3 to slide horizontally.

[0025] The installation and movement process of the utility model is as follows: firstly, the sliding block 2 is fixed on the mold through the pressing strips 3 on both sides, then the two inclined guide columns 4 are inserted into the inclined holes 22 and are fixed on the front mold, then the limiting block 5 is fixed on the mold, and the limiting block 5 is located at the left side of the sliding block 2, the spring 8 and the limiting screw 7 are respectively arranged in the spring hole 64 and the screw hole 63 on the T-shaped sliding block 6, then the T-shaped sliding block 6, the limiting screw 7 and the spring 8 are arranged on the front mold core 9 together, the top end of the limiting screw 7 is fixed on the front mold core, at this time, the spring 8 is compressed, the guide column 21 on the sliding block 2 is inserted into the guide hole 61 on the T-shaped sliding block 6, and the assembly is completed. When the mold is opened, the inclined guide column 4 is driven by the front mold to move vertically upward, the inclined guide column 4 drives the sliding block 2 to move axially horizontally to the left along the pressing strip 3, the sliding block 2 is separated from the reverse buckling on one side of the product 1, the limiting block 5 is located at the left side of the sliding block 2, the sliding block 2 moves to the left until the sliding block 2 is limited by the limiting block 5, and the sliding block 2 stops moving; due to synchronous mold opening, the spring 8 on the T-shaped sliding block 6 is compressed and drives the T-shaped sliding block 6 to move to the right, meanwhile, the T-shaped sliding block 6 moves horizontally under the action of the guide column 21, and the top end of the limiting screw 7 is fixed on the front mold core 9, when the T-shaped sliding block 6 moves horizontally to the right, the limiting screw 7 moves upward in the lower screw hole 63, the limiting screw 7 drives the front mold core 9 to move upward through the sliding groove 91, the limiting screw 7 moves upward in the lower screw hole 63 until the topmost position of the lower screw hole 63, the limiting screw 7 stops moving, at this time, the T-shaped sliding block 6 also stops moving, and at this time, the T-shaped sliding block 6 is separated from the reverse buckling on the other side of the product 1.

[0026] When the product 1 has reverse buckling with clamping features on both sides, the utility model can solve the problems of complex mold and high requirement of the clamping features of the product 1, avoid the waste of mold production and manufacturing cost, and avoid the expensive cost of mold later rectification.

[0027] Finally, it should be pointed out that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can still be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A slider two-way core-pulling structure, characterized in that, It includes slider (2), pressing bar (3), inclined guide pillar (4), limiting block (5), T-shaped slider (6), limiting screw (7) and spring (8), the slider (2) and T-shaped slider (6) are located at the upside-down buckle on the two sides of product (1) respectively, the pressing bar (3) is arranged on the two sides of slider (2) and slider (2) moves horizontally along the axial direction of pressing bar (3), the inclined guide pillar (4) is movably inclinedly penetrated in slider (2), the limiting block (5) is located on the left side of slider (2) and limits slider (2), the T-shaped slider (6) is provided with inclined screw hole (63) and inclined spring hole (64) on the two sides, the limiting screw (7) is arranged in screw hole (63), the spring (8) is compressed and arranged in spring hole (64), the lower hole diameter of screw hole (63) is larger than the upper hole diameter, and the limiting screw (7) moves in the lower screw hole (63), when the mold is opened, the inclined guide pillar (4) and the mold are synchronously vertically moved upward, so that the slider (2) moves to the left under the action of inclined guide pillar (4), and the T-shaped slider (6) moves to the right under the action of spring (8) and mold, so that the slider (2) and T-shaped slider (6) are separated from the upside-down buckle on the two sides of product (1) respectively.

2. The slider two-way core-pulling structure according to claim 1, wherein, The slider (2) is provided with a guide pillar (21), the T-shaped slider (6) is provided with a horizontal guide hole (61) in the lower part, the guide pillar (21) is inserted into the guide hole (61), and the T-shaped slider (6) is provided with an inclined sliding block (62) on the side edge.

3. The slider two-way core-pulling structure according to claim 2, wherein, The left side of the slider (2) is provided with an inclined hole (22), the inclined hole (22) is inclined to the right, the inclined guide pillar (4) is inserted into the inclined hole (22), and the screw hole (63), the spring hole (64) and the sliding block (62) are all inclined to the left.

4. The slider two-way core-pulling structure according to claim 3, wherein, The two sides of the slider (2) are provided with protrusions (23), and the pressing bar (3) is located on the protrusions (23) on the two sides.

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