CN212528562U - Durable core-pulling mechanism of injection mold sliding block - Google Patents

Abstract

The utility model discloses a durable mechanism of loosing core of injection mold slider, comprising a base plate, the round hole has all been seted up to four corners of top outer wall of bottom plate, and the inner wall of round hole is pegged graft threaded rod, the top outer wall of threaded rod is pegged graft and is had the movable mould, and movable mould top outer wall has seted up the sliding tray, and the inner wall sliding connection of sliding tray has the piece of loosing core, the top outer wall sliding connection of bottom plate has the sliding block, and the both sides outer wall rotation of sliding block is connected with the arc connecting rod, the arc connecting rod is kept away from the one end of sliding block and is loose. The utility model discloses a be provided with sliding block, arc connecting rod, core pulling block and electric telescopic handle, electric telescopic handle shortens, and the sliding block moves backward, and the arc connecting rod pulling core pulling block moves down, makes core pulling block and core separation, and like this than general slip take out from, better split, such sliding block is a lot of less than the sliding block that general slip was taken out from simultaneously, has saved the cost.

Description

Durable core-pulling mechanism of injection mold sliding block

Technical Field

The utility model relates to an injection mold technical field especially relates to a mechanism of loosing core of durable injection mold slider.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification. A mechanism in an injection mold structure in which a molded part that hinders the mold release of a die cast part is released from the die cast part before the completion of the mold action is called a core-pulling mechanism.

The core pulling mechanism of the existing slide block has a problem that: the slider is a replacement document, and the core is pulled away through sliding, so that the quality loss is inevitable, the slider can be continuously reduced, the offset of the core pulling groove is caused, the mold can not be well meshed, the slider is very large, the replacement needs much expense, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a core-pulling mechanism of a durable injection mold slider.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a durable mechanism of loosing core of injection mold slider, includes the bottom plate, the round hole has all been seted up to four corners of the top outer wall of bottom plate, and the inner wall of round hole is pegged graft there is the threaded rod, the top outer wall of threaded rod is pegged graft there is the movable mould, and movable mould top outer wall has seted up the sliding tray, and the inner wall sliding connection of sliding tray has the piece of loosing core, the top outer wall sliding connection of bottom plate has the sliding block, and the both sides outer wall rotation of sliding block is connected with the arc connecting rod, the one end that the sliding block was kept away from to the arc connecting rod forms normal running fit with the piece of loosing.

Furthermore, the bottom end of the cylindrical surface of the threaded rod is connected with a hexagon nut through threads, the bottom end of the cylindrical surface of the threaded rod is sleeved with a gasket, and the gasket is located between the hexagon nut and the bottom plate.

Furthermore, a supporting block is welded on the outer wall of one side of the bottom plate, a first wear-resistant block is fixed on the outer wall of one side of the supporting block through a screw, and the first wear-resistant block and the movable die form sliding fit.

Furthermore, the both sides outer wall of movable mould all is provided with first pressure strip, and the threaded rod cylinder has cup jointed the spring, and the spring is located between movable mould and the bottom plate, and the sliding tray both sides inner wall of movable mould all is seted up flutedly, and the inner wall joint of recess has the wear-resisting piece of second.

Furthermore, the outer wall of the top of the movable die is provided with a fixed die, and the outer walls of two sides of the fixed die are provided with second pressing plates.

Furthermore, a circular hole is formed in the outer wall of the top of the core-pulling block, and a cylindrical ring is inserted into the inner wall of the circular hole.

The utility model has the advantages that:

1. this durable injection mold slider's mechanism of loosing core through being provided with sliding block, arc connecting rod, core pulling block and electric telescopic handle, and electric telescopic handle shortens, and the sliding block moves backward, and the arc connecting rod pulling is loosed the core and is moved down, makes core pulling block and core separation, and the sliding block that like this compared general slip and taken away from is a lot less than, has saved the cost simultaneously.

2. This durable injection mold slider's mechanism of loosing core through being provided with first wear-resisting piece and the wear-resisting piece of second, wear-resisting piece is the smooth metal block in simple geometric solid surface, and the main effect is with the effect of stabilizing, supporting and reduce friction.

3. According to the durable core pulling mechanism of the injection mold sliding block, the cylindrical ring is arranged, the friction between the core and the core pulling block is mainly replaced by the friction between the cylindrical ring and the core, so that the core pulling block does not need to be replaced, only the cylindrical ring needs to be replaced, and the cost is saved.

The part not related in the device all is the same with prior art or can adopt prior art to realize, and the device design structure is reasonable, and convenient to use satisfies people's user demand.

Drawings

Fig. 1 is a schematic structural diagram of a core-pulling mechanism of a durable injection mold slider according to embodiment 1 of the present invention;

fig. 2 is a rear structural sectional view of a core-pulling mechanism of a durable injection mold slider according to embodiment 1 of the present invention;

fig. 3 is a cross-sectional view of a cylindrical ring structure of a core-pulling mechanism of a durable injection mold slider according to embodiment 2 of the present invention.

In the figure: the device comprises a base plate 1, a threaded rod 2, an electric telescopic rod 3, a movable mould 4, a first pressing plate 5, a fixed mould 6, a second pressing plate 7, a first wear-resistant block 8, a supporting block 9, a spring 10, a hexagonal nut 11, a sliding block 12, an arc-shaped connecting rod 13, a second wear-resistant block 14 and a cylindrical ring 15.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a durable mechanism of loosing core of injection mold slider, including bottom plate 1, the round hole has all been seted up to four corners of bottom plate 1's top outer wall, and the inner wall of round hole is pegged graft threaded rod 2, the top outer wall of threaded rod 2 is pegged graft and is had movable mould 4, and movable mould 4 top outer wall has seted up the sliding tray, the inner wall sliding connection of sliding tray has the piece of loosing core, the top outer wall sliding connection of bottom plate 1 has sliding block 12, and the both sides outer wall rotation of sliding block 12 is connected with arc connecting rod 13, the one end that sliding block 12 was kept away from to arc connecting rod 13 forms normal running fit with the piece of loosing core, one side outer wall.

The utility model discloses in, threaded rod 2 cylindrical surface's bottom has hexagon nut 11 through threaded connection, and threaded rod 2 cylindrical surface's bottom has cup jointed the packing ring, the packing ring is located between hexagon nut 11 and the bottom plate 1, one side outer wall welding of bottom plate 1 has supporting shoe 9, and one side outer wall of supporting shoe 9 has first wear-resisting piece 8 through the fix with screw, first wear-resisting piece 8 forms sliding fit with movable mould 4, movable mould 4's both sides outer wall all is provided with first pressure strip 5, and threaded rod 2 cylinder has cup jointed spring 10, spring 10 is located between movable mould 4 and the bottom plate 1, movable mould 4's sliding tray both sides inner wall all is seted up flutedly, the inner wall joint of recess has second wear-resisting piece 14, movable mould 4's top outer wall is provided with fixed mould 6, and fixed mould 6's both sides outer wall all is.

The working principle is as follows: after the injection molding is finished, the electric telescopic rod 3 is shortened, the sliding block 12 moves backwards, the arc-shaped connecting rod 13 pulls the core pulling block to move downwards, the core pulling block is separated from the core, then the injection molded mold is pulled out, if parts in the mechanism need to be replaced, only the hexagon nut 11 needs to be loosened, all elements of the mechanism are gradually separated, and related elements are replaced.

Example 2

Referring to fig. 3, in this embodiment, compared with embodiment 1, the durable core-pulling mechanism for the injection mold slider further includes a round hole formed in an outer wall of the top of the core-pulling block, and a cylindrical ring 15 is inserted into an inner wall of the round hole.

The working principle is as follows: the friction between the core and the core-pulling block is replaced by the friction between the cylindrical ring 15 and the core, so that the core-pulling block does not need to be replaced, and only the cylindrical ring 15 needs to be replaced, and the cost is saved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a durable injection mold slider's mechanism of loosing core, includes bottom plate (1), its characterized in that, the round hole has all been seted up to four corners of top outer wall of bottom plate (1), and the inner wall of round hole pegs graft threaded rod (2), peg graft at the top outer wall of threaded rod (2) has movable mould (4), and movable mould (4) top outer wall has seted up the sliding tray, and the inner wall sliding connection of sliding tray has the piece of loosing core, the top outer wall sliding connection of bottom plate (1) has sliding block (12), and the both sides outer wall of sliding block (12) rotates and is connected with arc connecting rod (13), the one end that sliding block (12) were kept away from in arc connecting rod (13) forms normal running fit with the piece of loosing core, one side outer wall of sliding block (12) is through the.

2. The durable core-pulling mechanism for the injection mold slider according to claim 1, wherein a hexagonal nut (11) is connected to the bottom end of the cylindrical surface of the threaded rod (2) through threads, and a washer is sleeved on the bottom end of the cylindrical surface of the threaded rod (2), and the washer is located between the hexagonal nut (11) and the base plate (1).

3. The durable core-pulling mechanism for the injection mold sliding block is characterized in that a supporting block (9) is welded on the outer wall of one side of the bottom plate (1), a first wear-resistant block (8) is fixed on the outer wall of one side of the supporting block (9) through a screw, and the first wear-resistant block (8) is in sliding fit with the movable mold (4).

4. The durable core-pulling mechanism for the injection mold sliding block is characterized in that the outer walls of two sides of the movable mold (4) are respectively provided with a first pressing plate (5), the cylinder of the threaded rod (2) is sleeved with a spring (10), the spring (10) is positioned between the movable mold (4) and the bottom plate (1), the inner walls of two sides of the sliding groove of the movable mold (4) are respectively provided with a groove, and the inner wall of each groove is clamped with a second wear-resistant block (14).

5. A durable core-pulling mechanism for injection mold sliders according to claim 4, wherein the top outer wall of the movable mold (4) is provided with a fixed mold (6), and the outer walls of both sides of the fixed mold (6) are provided with second pressing plates (7).

6. The durable core-pulling mechanism for the injection mold sliding block is characterized in that a circular hole is formed in the outer wall of the top of the core-pulling block, and a cylindrical ring (15) is inserted into the inner wall of the circular hole.

Images