Sliding block type secondary ejection mechanism

Abstract

The invention relates to a slide block type secondary ejection mechanism, which comprises an ejection plate, which is movably arranged in a male die and is provided with a clearance hole and a groove, the clearance hole is used for clearance of an inclined guide pillar, and the groove is used for movement of a slide block; the sliding block is provided with an inclined hole and an inclined surface, and the inclined hole can penetrate through the inclined guide column to push the ejector rod to move through the inclined surface; one end of the inclined guide column is fixed on the fixed plate and can penetrate through the inclined hole of the sliding block to enable the sliding block to move; the ejector rod moves in the male mold through an elastic piece and ejects the product out of the male mold cavity for the first time under the action of the inclined surface of the sliding block; and one end of the connecting rod is fixed on the ejection plate, the other end of the connecting rod is fixed on the sliding push block, and the connecting rod can push the sliding push block under the action of the ejection plate to eject a product out of the male mold cavity for the second time. And meanwhile, the connecting rod is pushed under the action of the ejector plate, so that the connecting rod pushes the sliding push block, the product can be secondarily ejected out on the male mold, and smooth demolding is ensured.

Description

[Technical field]

[0001] The invention relates to the technical field of mold mechanisms, in particular to a slide block type secondary ejection mechanism. [Background technology]

[0002] Generally, when a product is ejected from a mold after molding, no matter a single or multi-component ejection mechanism is used, the ejection action is completed in one step. However, for complex product structures or requirements for mass production, when the product is ejected after molding, one ejection cannot successfully demold it, and a secondary ejection mechanism is required to assist in demolding.

[0003] In view of this, it is necessary to provide a slider type secondary ejection mechanism to solve the above problems. [Summary of the invention]

[0004] The technical problem to be solved by the present invention is that for complex product structures or mass production requirements, when ejecting a product after molding, one ejection cannot make it demould smoothly, and a secondary ejection mechanism is required to assist demould. Therefore, the present invention provides a slider-type secondary ejection mechanism to solve the above problem.

[0005] The solution of the present invention to solve the technical problem is: a slider type secondary ejection mechanism, comprising:

[0006] A female mold, which cooperates with the male mold to form a product;

[0007] The male mold is provided with an ejection mechanism, including: an ejection plate, a slider, an inclined guide column, an ejector rod, and a connecting rod; wherein,

[0008] An ejector plate, wherein the ejector plate can move in the male mold under the action of a power device, the ejector plate is provided with a clearance hole, the clearance hole is used to avoid the oblique guide column when the ejector plate moves, and the ejector plate is provided with a groove for the slider to move in the groove;

[0009] A slider, the slider is movably arranged in the groove of the ejector plate, the slider is provided with an inclined hole and an inclined surface, and the inclined hole can push the ejector rod to move through the inclined surface under the action of the inclined guide column;

[0010] An inclined guide pin, one end of which is fixed on the fixed plate. When the ejector plate moves, the inclined guide pin can avoid the ejector plate through the avoidance hole of the ejector plate, so that the inclined hole of the slider passes through the inclined guide pin and moves in the groove of the ejector plate under the action of the inclined guide pin;

[0011] A push rod, which moves in the male mold through an elastic member. After the product is formed, the push rod can be pushed by the inclined surface of the slider to eject the product in the male mold cavity for the first time;

[0012] A connecting rod, one end of which is fixed on the ejection plate, and the other end of which is fixed on the sliding push block. The connecting rod can be pushed by a power device under the action of pushing the ejection plate, so that the connecting rod pushes the sliding push block to move, thereby making the product fully ejected for the second time in the male mold cavity.

[0013] Preferably, the power device may be a hydraulic cylinder disposed on the ejector rod of an injection molding machine or a mold.

[0014] Preferably, the elastic member is a spring, which is used to reset the ejector rod.

[0015] The beneficial effect of the present invention is that the present invention uses a slider type secondary ejection mechanism, which adopts a slider to cooperate with an inclined guide column to push the ejector rod under the action of the ejection plate, so that the ejector rod pushes the product, and the product is ejected for the first time in the male mold cavity. At the same time, under the action of the ejection plate, the connecting rod is pushed, so that the connecting rod pushes the sliding push block, and then pushes the product, so that the product is completely ejected for the second time in the male mold cavity. This invention mechanism can realize the secondary ejection of the product on the male mold and ensure smooth demolding.

Brief Description of the Drawings

[0016] Figure 1 It is a structural schematic diagram of an original state of a slider type secondary ejection mechanism of the present invention.

[0017] Figure 2 It is a structural schematic diagram of the first ejection of a slider type secondary ejection mechanism of the present invention.

[0018] Figure 3 The present invention is a structural schematic diagram of the second ejection of a slider type secondary ejection mechanism. [Specific implementation method]

[0019] To further illustrate the technical means and effects adopted by the present invention, the following is a detailed description in conjunction with the embodiments of the present invention and the accompanying drawings.

[0020] The present invention provides a slider type secondary ejection mechanism, comprising:

[0021] A female mold 20, which cooperates with the male mold 30 to form a product 40;

[0022] The male mold 30 is provided with an ejection mechanism, including: an ejection plate 110, a slider 120, an inclined guide column 130, an ejector rod 140, and a connecting rod 150; wherein,

[0023] The ejector plate 110 can move in the male mold 30 under the action of a power device (not shown in the figure), and the ejector plate 110 is provided with a clearance hole 111, and the clearance hole 111 is used to avoid the oblique guide column 130 when the ejector plate 110 moves. The ejector plate 110 is provided with a groove 112, and the slider 120 is used to move in the groove 112;

[0024] A slider 120, wherein the slider 120 is movably disposed in the groove 112 of the ejection plate 110, and the slider 120 is provided with an inclined hole 121 and an inclined surface 122, and the inclined hole 121 can push the ejector rod 140 to move through the inclined surface 122 under the action of the inclined guide column 130;

[0025] An inclined guide post 130, one end of which is fixed on the fixed plate 160. When the ejection plate 110 moves, the inclined guide post 130 can avoid the ejection plate 110 through the avoidance hole 111 of the ejection plate 110, so that the inclined hole 121 of the slider 120 passes through the inclined guide post 130 and moves in the groove 112 of the ejection plate 110 under the action of the inclined guide post 130;

[0026] A push rod 140, wherein the push rod 140 is movable in the male mold 30 through an elastic member 141, and after the product 40 is formed, the push rod 140 can be pushed by the inclined surface 122 of the slider 120 to eject the product 40 from the cavity of the male mold 30 for the first time;

[0027] The connecting rod 150 has one end fixed on the ejection plate 110 and the other end fixed on the sliding push block 170. The connecting rod 150 can be pushed by a power device (not shown in the figure) under the action of pushing the ejection plate 110, so that the connecting rod 150 pushes the sliding push block 170 to move, thereby making the product 40 fully ejected for the second time in the cavity of the male mold 30.

[0028] The power device (not shown in the figure) may be a hydraulic cylinder arranged on a top rod of an injection molding machine or a mold.

[0029] The elastic member 141 is a spring, which is used to reset the push rod 140.

[0030] The beneficial effect of the present invention is that the present invention uses a slider type secondary ejection mechanism, which adopts a slider 120 to cooperate with the inclined guide column 130 to push the ejector rod 140 under the action of the ejection plate 110, so that the ejector rod 140 pushes the product 40, and the product 40 is ejected for the first time in the cavity of the male mold 30. At the same time, under the action of the ejection plate 110, the connecting rod 150 is pushed, so that the connecting rod 150 pushes the sliding push block 170, and then pushes the product 40, so that the product 40 is completely ejected for the second time in the cavity of the male mold 30. This invention mechanism can realize the secondary ejection of the product 40 on the male mold 30, and ensure smooth demolding.

[0031] It is pointed out that the present invention is not limited to the above-mentioned implementation modes, and any simple modifications, equivalent changes and modifications made to the above-mentioned embodiments based on the technical solution of the present invention by any technician familiar with the profession shall fall within the protection scope of the present invention.

Claims

1. A slider type secondary ejection mechanism, characterized in that: include: A female mold, which cooperates with the male mold to form a product; The male mold is provided with an ejection mechanism, including: an ejection plate, a slider, an inclined guide column, an ejector rod, and a connecting rod; wherein, An ejector plate, wherein the ejector plate can move in the male mold under the action of a power device, the ejector plate is provided with a clearance hole, the clearance hole is used to avoid the oblique guide column when the ejector plate moves, and the ejector plate is provided with a groove for the slider to move in the groove; A slider, the slider is movably arranged in the groove of the ejector plate, the slider is provided with an inclined hole and an inclined surface, and the inclined hole can push the ejector rod to move through the inclined surface under the action of the inclined guide column; An inclined guide pin, one end of which is fixed on the fixed plate. When the ejector plate moves, the inclined guide pin can avoid the ejector plate through the avoidance hole of the ejector plate, so that the inclined hole of the slider passes through the inclined guide pin and moves in the groove of the ejector plate under the action of the inclined guide pin; A push rod, which moves in the male mold through an elastic member. After the product is formed, the push rod can be pushed by the inclined surface of the slider to eject the product in the male mold cavity for the first time; A connecting rod, one end of which is fixed on the ejection plate, and the other end of which is fixed on the sliding push block. The connecting rod can be pushed by a power device under the action of pushing the ejection plate, so that the connecting rod pushes the sliding push block to move, thereby making the product fully ejected for the second time in the male mold cavity.

2. A slider type secondary ejection mechanism according to claim 1, characterized in that: The power device can be a hydraulic cylinder arranged on the ejector rod of the injection molding machine or the mold.

3. A slider type secondary ejection mechanism according to claim 1, characterized in that: The elastic member is a spring, which is used to reset the ejector rod.

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