CN206374149U - A kind of pre- roof construction of sliding block - Google Patents

Abstract

The utility model belongs to a sliding block pre-topping structure of a demoulding mechanism. The technical proposal is: the sliding block is provided with a fixed block groove, the fixed block of the inclined guide post is placed in the fixed block groove, and the fixed block of the inclined guide post is fixed on the inclined guide post. The upper end of the column and the lower end of the inclined guide column are inserted into the slider; one side of the fixed block of the inclined guide column withstands the slider, and the side is provided with an oblique section, a vertical section and a horizontal section in sequence along the mold opening direction, and the slope of the oblique section Less than the slope of the inclined guide post, an inverted L-shaped groove is formed between the vertical section and the horizontal section; the side wall of the fixed block groove that contacts the fixed block of the inclined guide post is a slope, and the slope is the same as that of the inclined guide post; the ejector rod is horizontal Arranged in the slider, one end of the ejector rod is pushed out of the side wall and inserted into the inverted L-shaped groove, the other end of the ejector rod is fixed to the top block, and the return spring of the ejector rod is clamped between the top block and the fixed stopper. The utility model solves the problem of demoulding of slider products with complex surface shapes during the forming process, and makes the products and sliders detach smoothly, and its structure is convenient and feasible.

Description

A slider pre-jack structure

technical field

The utility model relates to the field of injection molds, in particular to a demoulding mechanism.

Background technique

The ejector mechanism is an indispensable part of any injection mold, and the design of the ejector mechanism ultimately determines the quality of the product. There are many types of ejection mechanisms for injection molds. According to different products, four special ejection mechanisms are commonly used, including movable insert ejection mechanisms, delayed ejection mechanisms, secondary ejection mechanisms, and triple ejection mechanisms.

When the shape of the product surface is complex, including the ejection parts such as column positions, deep ribs, and mesh holes, the existing ejection mechanism can easily cause the product to stick to the slider and cannot be separated. During the movement of the slider, the product is caught by the slider. Driven, resulting in product damage, high product failure rate.

Utility model content

The utility model provides a slide block pre-topping structure, which solves the problem of demoulding of slide block products with complex surface shapes during the forming process, and makes the product and slide block be separated smoothly. The structure is convenient and feasible.

The technical scheme of the utility model is: the slider is provided with a fixed block groove, the fixed block of the inclined guide post is placed in the fixed block groove, the fixed block of the inclined guide post is fixed on the upper end of the inclined guide post, and the inclined guide post is fixed on the upper end of the inclined guide post. The lower end of the column is inserted into the slider; one side of the fixed block of the inclined guide column withstands the slider, and the side is provided with an oblique section, a vertical section and a horizontal section in sequence along the mold opening direction. The slope to the section is smaller than the slope of the slanted guide post, and an inverted L-shaped groove is formed between the vertical section and the horizontal section; the side wall of the fixed block groove that contacts the fixed block of the slanted guide post is The slope is the same as that of the inclined guide post; the ejector rod is horizontally arranged in the slider, and one end of the ejector rod is pushed out of the side wall and inserted into the inverted L-shaped groove. The other end of the ejector rod is fixed to the ejector block, and the ejector rod return spring is clamped between the ejector block and the fixed block, and the fixed block is sleeved on the pipe body of the ejector rod, and the position of the fixed block is Fixed, the deformation direction of the return spring of the ejector rod is horizontal.

The slider pre-jacking structure is to prevent products with complex shapes from sticking to the slider so as to achieve the purpose of completely ejecting the products. The beneficial effects of the utility model are: the slider pre-top structure is not only novel but also simple and practical, which solves the problem that products with complex shapes are easily stuck to the slider and cannot be separated, resulting in product damage, and has an important role in product quality and production efficiency. Impact.

Description of drawings

Below in conjunction with accompanying drawing, the application example of the present utility model is described.

Figure 1 is a schematic diagram of the pre-top structure of the slider before the mold is opened.

Figure 2 is a schematic diagram of the slider pre-top structure when the mold is opened, and the direction of the arrow in the figure is the mold opening direction.

detailed description

As shown in Figure 1, in order to solve the problem of the smooth disengagement of the product 20 from the slider 11, the structure of this patent is as follows: the slider 11 is provided with a fixed block groove, the inclined guide post fixed block 1 is placed in the fixed block groove, and the inclined guide post is fixed. The block 1 is fixed on the upper end of the slanted guide post 2, and the lower end of the slanted guide post 2 is inserted into the slider 11; one side of the slanted guide post fixing block 1 withstands the slider 11, and the side is sequentially provided with an oblique section 16 along the mold opening direction , the vertical section 17 and the horizontal section 18, the slope of the oblique section 16 is less than the slope of the oblique guide post 2, an inverted L-shaped groove 19 is formed between the vertical section and the horizontal section; the fixed block groove in contact with the oblique guide post fixed block 1 The side wall is inclined, and the slope is the same as that of the inclined guide post 2; the ejector rod 12 is horizontally arranged in the slider 11, and one end of the ejector rod 12 is pushed out of the side wall and inserted into the inverted L-shaped groove 19, and the ejector rod 12 The other end of the jacking block 9 is fixed, the ejector rod return spring 10 is sandwiched between the ejector block 9 and the fixed stopper 13, the fixed stopper 13 is set on the tube body of the ejector rod 12, and the position of the fixed stopper 13 is fixed , The deformation direction of the ejector rod return spring 10 is horizontal.

As shown in Figure 1 and Figure 2: the state in Figure 1 is the state when there is no ejection, and Figure 2 is the state when the pre-ejection is completed. When 11 moves upwards, under the action of the inclined guide post 2, the slider 11 moves backward relative to the inclined guide post 2 and the inclined guide post fixing block 1 as a whole.

When the mold is opened, the fixed block 1 of the inclined guide post and the fixed block 2 of the inclined guide post move in the direction of mold opening, and the slider 11 is driven to move. The function of the groove prevents the ejector rod 12 and the ejector block 9 from moving together with the slider 11, so that the slider 11 will have a movement difference relative to the ejector rod 12, and the ejector block can always withstand the product during this section of the mold opening stroke. . When the mold opening distance > S1, the inverted L-shaped groove of the fixed block of the inclined guide column does not work, but under the action of the ejector rod spring 10, the ejector rod 12 and the ejector block 9 are slowly returned to the fixed block 13 The position is guaranteed to be 20 loose sliders for products with complex shapes. The limit block 3 is arranged on the outside of the slider 11. When the slider 11 moves horizontally away from the product 20 and touches the limit block 3, it stops moving; the screw 5 and the wear plate 6 of the slider block the slider 11. Guide to ensure the smooth movement of the slider 11. After the product is pre-ejected, the slider 11 returns to its original position under the action of the slider spring 7. Limiting block 3, screw 5, slider wear-resistant plate 6 and slider spring 7 belong to conventional general components of existing ejection mechanism, have nothing to do with the technical problem solved by this patent, and are not within the protection scope of this patent technology.

Figure 2 is a schematic diagram of the slider pre-top structure when the mold is opened, and the direction of the arrow in the figure is the mold opening direction. The moving distance S2 in Fig. 2 is the moving distance of the pre-ejected product.

The above is a detailed introduction of a solution provided for the implementation of the utility model. For those skilled in the art, based on the idea of this embodiment, there will be changes in the specific implementation and application range. To sum up, the contents of this specification should not be understood as limiting the utility model, and any changes made according to the design concept of the utility model are within the protection scope of the utility model.

Claims (1)

1. a kind of pre- roof construction of sliding block, it is characterised in that：Sliding block (11) is provided with fixed block groove, and Angle Pin fixed block (1) is placed In the fixed block groove, the Angle Pin fixed block (1) is fixed on the upper end of Angle Pin (2), the lower end of the Angle Pin (2) Insert in the sliding block (11)；The one side of the Angle Pin fixed block (1) withstands the sliding block (11), side edge die sinking Direction is sequentially provided with oblique section (16), vertical section (17) and horizontal segment (18), and the slope of oblique section (16) is oblique less than described The slope of guide pillar (2), forms an inverted L-shaped groove (19) between the vertical section and the horizontal segment；Fixed with the Angle Pin The side wall of the fixed block groove of block (1) contact is inclined-plane, and slope is identical with the Angle Pin (2)；Knock-pin (12) level It is arranged in the sliding block (11), one end of the knock-pin (12) ejects the side wall, inserts in the inverted L-shaped groove (19), The other end of the knock-pin (12) fixes jacking block (9), and knock-pin back-moving spring (10) is clipped in the jacking block (9) and fixed stop (13) between, the fixed stop (13) is enclosed on the pipe shaft of the knock-pin (12), and the position of the fixed stop (13) is consolidated It is fixed motionless, knock-pin back-moving spring (10) deformation direction be level to.