CN211730070U - Injection mould - Google Patents

Abstract

The utility model provides an injection mould, which comprises a bottom plate, square iron arranged at the upper end of the bottom plate, an ejector pin bottom plate arranged at the inner side of the square iron, an ejector pin panel arranged at the upper end of the ejector pin bottom plate, a lower template arranged above the square iron, an upper template arranged above the lower template, and a panel arranged above the upper template; the novel elastic die comprises an upper die plate, a lower die plate, a front die core, a rear die core, a front die core and a sliding block assembly, wherein the lower die plate is internally provided with the rear die core, the upper die plate is internally provided with the front die core, the front die core is internally provided with the sliding block assembly, and the sliding block assembly comprises an integrally arranged elastic block structure. The utility model discloses change the mode of setting up of a plurality of oblique thimbles of tradition into elastomer block structure, elastomer block structure includes the elastomer seat, and the bottom of this elastomer seat comprises four interconnect's square, and interconnect forms a square constant head tank between the square, and the square constant head tank matches fixedly with mould benevolence locating piece, and oblique thimble passes the square iron and penetrates the mould benevolence locating piece upper end that sets up on the lower mould benevolence by the clearance in the middle of the lower bolster.

Description

Injection mould

Technical Field

The utility model provides an injection moulding device technical field specifically is an injection mould.

Background

The production of injection-molded parts by means of injection molds, which allow to obtain products of complete structure and precise dimensions, is a well established technique, injection molding being a processing method used in the mass production of parts of complex shape. Opening the mold refers to opening the mold, which corresponds to closing the mold (the front and back plates of the mold are closed).

The existing inclined ejector mechanism of the injection mold basically adopts a plurality of inclined ejector pins, the inclined ejector pins move upwards to eject the front mold core, when the inclined ejector pins are arranged, a plurality of inclined ejector pins are generally needed, the inclined ejector pins are arranged in an inclined manner from bottom to top, at the moment, a plurality of inclined holes need to be penetrated on the rear mold core, and the process requirements are very complex.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an injection mould.

The utility model adopts the technical proposal that:

an injection mold comprises

The ejector pin structure comprises a bottom plate, square iron arranged at the upper end of the bottom plate, an ejector pin bottom plate arranged on the inner side of the square iron, an ejector pin panel arranged at the upper end of the ejector pin bottom plate, a lower template arranged above the square iron, an upper template arranged above the lower template, and a panel arranged above the upper template;

a rear die core is arranged in the lower template,

a front mold core is arranged in the upper mold plate,

a slide block component is arranged in the front die core,

the slider assembly includes an integrally disposed elastomeric block structure.

In the above, the elastic body block structure comprises

The bottom of the bullet seat is composed of four connected squares which are connected with each other to form a square positioning groove,

each square block is provided with an inclined spring seat, an inclined spring through hole is arranged on the inclined spring seat,

a guide rod assembly is arranged inside the inclined spring through hole,

the inclined spring seats are inclined inwards.

In the above, the guide rod assembly includes a spring installed in the inclined spring through hole, and a spring guide rod disposed in the spring.

In the above, the bottom of the outer side of the square block is provided with a limiting groove, and the limiting groove is matched with the inclined elastic limiting block arranged on the front mold core.

In the above, the inclined elastic limiting block is fixed at the bottom of the front mold core by a limiting screw.

In the above, the front mold core and the rear mold core are fixed by the upper draw hook assembly and the lower draw hook assembly,

the upper draw hook component is fixed at the bottom of the elastic body block structure, the lower draw hook component is fixed on the lower die core,

and the lower die core is provided with an upper draw hook positioning groove of the upper draw hook component.

In the above, a thimble seat is arranged in the thimble panel, the thimble seat penetrates into the square iron through the thimble panel, an inclined thimble is arranged on the thimble seat, and the inclined thimble penetrates through the square iron and penetrates through the upper end of a mould core positioning block arranged on the lower mould core from a gap in the middle of the lower template;

the lower end of the thimble seat is fixed through a thimble screw, and a gap between the thimble seat and the lower template is positioned on the same axis;

the thimble panel is also provided with a fixing column, and the fixing column penetrates through the square iron and the lower template and is fixed on the die core positioning block.

In the above, the upper hook assembly and the lower hook assembly are engaged with each other in a mold closing state.

The utility model discloses change the mode of setting up of a plurality of traditional oblique thimbles into elastomer block structure, elastomer block structure includes the elastomer seat, and the bottom of this elastomer seat comprises four interconnect's square, and interconnect forms a square constant head tank between the square, and the square constant head tank matches fixedly with mould benevolence locating piece, and the thimble passes the square iron and penetrates the mould benevolence locating piece upper end that sets up on the lower mould benevolence by the clearance in the middle of the lower bolster to one side, the utility model discloses a cooperation of an oblique thimble and an elastomer block structure need not process a plurality of inclined holes at back mould benevolence.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a schematic structural view of the bullet block structure of the present invention;

FIG. 4 is a diagram showing the state of the front mold core and the rear mold core separated from each other;

FIG. 5 is a diagram of the fully open mold state of the present invention;

fig. 6 is a state diagram after the die assembly of the present invention.

Detailed Description

The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are provided to explain the invention, but not to limit the invention.

Referring to fig. 1 to 2, the utility model provides an injection mould, include

The ejector pin structure comprises a bottom plate 7, a square iron 4 arranged at the upper end of the bottom plate 7, an ejector pin bottom plate 6 arranged on the inner side of the square iron 4, an ejector pin panel 5 arranged at the upper end of the ejector pin bottom plate 6, a lower template 3 arranged above the square iron 4, an upper template 2 arranged above the lower template, and a panel 1 arranged above the upper template;

a rear die core 13 is arranged in the lower template 3,

a front mold core 15 is arranged in the upper template 2,

a slide block assembly 18 is disposed within the front mold core,

the slider assembly 18 includes an integrally disposed elastomeric block structure. The elastic body structure comprises

The projectile body seat 183, the bottom of the projectile body seat 183 is formed by four blocks connected with each other, as shown in fig. 1, includes a first block, a second block, a third block and a fourth block, the first block, the second block, the third block and the fourth block are connected with each other to form a square positioning slot 185,

a first inclined spring seat 180, a second inclined spring seat 181, a third inclined spring seat 182 and a fourth inclined spring seat 183 are respectively and correspondingly arranged on the first square, the second square, the third square and the fourth square, inclined spring through holes 184 are respectively arranged on the first inclined spring seat, the second inclined spring seat, the third inclined spring seat and the fourth inclined spring seat,

the inside of oblique bullet through-hole is provided with the guide bar subassembly, the guide bar subassembly is including installing the spring 16 in oblique bullet through-hole, the spring guide bar 17 of setting in the spring.

The first inclined spring seat 180, the second inclined spring seat 181, the third inclined spring seat 182 and the fourth inclined spring seat 183 are inclined inwards.

In the above, the thimble seat 8 is arranged in the thimble panel 5, the thimble seat 8 penetrates into the square iron 4 through the thimble panel 5, the thimble seat 8 is provided with the inclined thimble 9, and the inclined thimble 9 penetrates through the square iron 4 and penetrates through the upper end of the mold core positioning block 20 arranged on the lower mold core 13 from the gap in the middle of the lower template 3;

the lower end of the thimble seat 8 is fixed through a thimble screw, and a gap between the thimble seat 8 and the lower template 3 is positioned on the same axis;

the thimble panel 5 is further provided with a fixing column 10, and the fixing column 10 penetrates through the square iron 4 and the lower template 3 and is fixed on the die core positioning block 20.

The utility model discloses change the mode of setting up of a plurality of traditional oblique thimbles into elastomer block structure, elastomer block structure includes elastomer seat 183, and this elastomer seat 183's bottom comprises four interconnect's square, and interconnect forms a square constant head tank 185 between the square, and square constant head tank 185 matches fixedly with mould benevolence locating piece 20, and thimble 9 passes square iron 4 and penetrates the mould benevolence locating piece 20 upper end that sets up on lower mould benevolence 13 by the clearance in the middle of lower bolster 3 to one side, the utility model discloses a cooperation of an oblique thimble 9 and an elastomer block structure need not process a plurality of inclined holes in back mould benevolence.

Preferably, the outer bottoms of the first square, the second square, the third square and the fourth square are all provided with a limiting groove 186, and the limiting groove 186 is matched with the inclined elastic limiting block 19 arranged on the front mold core 15.

Preferably, the inclined elastic limiting block 19 is fixed at the bottom of the front mold core by a limiting screw 14.

Preferably, the front mold core 15 and the rear mold core 13 are fixed by an upper hook pulling assembly 12 and a lower hook pulling assembly 11, the upper hook pulling assembly 12 is fixed at the bottom of the elastomer block structure, the lower hook pulling assembly 11 is fixed on the lower mold core 13, and the lower mold core 13 is provided with an upper hook pulling positioning groove of the upper hook pulling assembly. The upper draw hook assembly and the lower draw hook assembly are in a clamping state in a die closing state.

The utility model discloses a principle does, refer to fig. 4 to fig. 6, fig. 4 to fig. 6 demonstrate the process to the compound die by the die sinking, in the die sinking process, under the effect of oblique thimble 9, at first cope match-plate pattern 2 and lower bolster 3 separation, front mould benevolence 15 and back mould benevolence 13 separate gradually under the effect of last drag hook this moment and under spring 16, when continuing upward movement, the spacing groove that the outside bottom of square set up with play stopper 20 contact to one side, front mould benevolence 15 and back mould benevolence 13 break away from completely, it is shown with specific reference to fig. 5, at this moment, thimble 9 continues the action to one side, the product that will mould plastics is ejecting, when the compound die, thimble 9 returns to one side, elastomer block structure contacts back mould benevolence 13, continue the compound die, elastomer block structure continues the return under the effect of back mould benevolence, up drag hook assembly 12 and lower hook assembly 11 are in the block form, accomplish the compound.

The technical solutions disclosed in the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific embodiments, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.

Claims (8)

1. An injection mold is characterized by comprising

The ejector pin structure comprises a bottom plate, square iron arranged at the upper end of the bottom plate, an ejector pin bottom plate arranged on the inner side of the square iron, an ejector pin panel arranged at the upper end of the ejector pin bottom plate, a lower template arranged above the square iron, an upper template arranged above the lower template, and a panel arranged above the upper template;

a rear die core is arranged in the lower template,

a front mold core is arranged in the upper mold plate,

a slide block component is arranged in the front die core,

the slider assembly includes an integrally disposed elastomeric block structure.

2. The injection mold of claim 1, wherein the elastomeric block structure comprises

The bottom of the bullet seat is composed of four connected squares which are connected with each other to form a square positioning groove,

each square block is provided with an inclined spring seat, an inclined spring through hole is arranged on the inclined spring seat,

a guide rod assembly is arranged inside the inclined spring through hole,

the inclined spring seats are inclined inwards.

3. The injection mold of claim 2, wherein the guide rod assembly comprises a spring mounted in the canted spring through bore, the spring guide rod being disposed within the spring.

4. The injection mold of claim 2, wherein the bottom of the block is provided with a limiting groove, and the limiting groove is matched with the inclined elastic limiting block arranged on the front mold core.

5. The injection mold of claim 4, wherein the angle spring stopper is fixed to the bottom of the front mold core by a stopper screw.

6. The injection mold of claim 1, wherein the front mold core and the rear mold core are fixed by an upper draw hook component and a lower draw hook component,

the upper draw hook component is fixed at the bottom of the elastic body block structure, the lower draw hook component is fixed on the lower die core,

and the lower die core is provided with an upper draw hook positioning groove of the upper draw hook component.

7. The injection mold according to claim 1, wherein a thimble seat is arranged in the thimble panel, the thimble seat penetrates into the square iron through the thimble panel, and an inclined thimble is arranged on the thimble seat, the inclined thimble penetrates through the square iron and penetrates through the upper end of a mold core positioning block arranged on the lower mold core from a gap in the middle of the lower template;

the lower end of the thimble seat is fixed through a thimble screw, and a gap between the thimble seat and the lower template is positioned on the same axis;

the thimble panel is also provided with a fixing column, and the fixing column penetrates through the square iron and the lower template and is fixed on the die core positioning block.

8. The injection mold of claim 6, wherein the upper and lower retractor assemblies are in a snap-fit configuration when in a closed position.

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