CN214926648U - Self-locking positioning mould core in injection mould - Google Patents

Abstract

The utility model discloses a but mould benevolence of auto-lock location in injection mould, include: the die comprises an upper die core and a lower die core, wherein a circular truncated cone hole is formed in the bottom of the upper die core, an upper forming cavity is formed in the top wall of the circular truncated cone hole, a plurality of inclined insertion blocks are uniformly distributed on the hole wall of the circular truncated cone hole, and a plurality of positioning holes are uniformly distributed on the top wall of the circular truncated cone hole; a lower molding cavity matched with the upper molding cavity is arranged on the lower mold core, a circular table section capable of being matched with the circular table hole is arranged on the lower mold core, a plurality of oblique slots are uniformly distributed on the outer side wall of the circular table section, and a plurality of elastic positioning rods are uniformly distributed on the top wall of the circular table section; when last mould benevolence and the compound die of lower mould benevolence, go up the oblique inserted block in the mould benevolence and insert the oblique slot in the lower mould benevolence one by one respectively, in the elastic locating lever in the lower mould benevolence inserts the locating hole in the mould benevolence one by one respectively to realize going up the accurate compound die between mould benevolence and the lower mould benevolence, elastic locating lever still plays the cushioning effect to last mould benevolence moreover.

Description

Self-locking positioning mould core in injection mould

Technical Field

The utility model relates to an injection mould especially relates to but mould benevolence of auto-lock location in the injection mould.

Background

Injection molds are tools used in the plastics processing industry to match plastic molding machines to impart a complete configuration and precise dimensions to a plastic article. The injection mold generally comprises a mold frame and a mold core, wherein the mold core comprises: go up mould benevolence and lower mould benevolence, the die carrier includes: the upper die core is arranged in the upper die plate, the lower die core is arranged in the lower die plate, and the positioning matching between the upper die core and the lower die core is realized through the matching between the positioning column and the positioning sleeve as well as between the guide column and the guide sleeve. The injection mould of this kind of structure needs to have high connection accuracy to the connection structure between cope match-plate pattern and the last mould benevolence and the connection structure between lower bolster and the lower mould benevolence, but the injection mould is after long-time the use, appears connecting unstable condition easily between cope match-plate pattern and the last mould benevolence, between lower bolster and the lower mould benevolence, will influence the compound die precision between last mould benevolence and the lower mould benevolence like this.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a but mould benevolence of self-locking location in injection mould can also guarantee the compound die precision between the mould benevolence and the lower mould benevolence when the cope match-plate pattern with go up between the mould benevolence, the lower bolster and the lower mould benevolence between the circumstances that the connection accuracy reduces appear.

In order to achieve the above object, the utility model adopts the following technical scheme: but mould benevolence of self-locking location in injection mould includes: the die comprises an upper die core and a lower die core, wherein a circular table hole is formed in the bottom of the upper die core, an upper forming cavity is formed in the top wall of the circular table hole, a plurality of inclined insertion blocks are annularly and uniformly distributed on the hole wall of the circular table hole by taking the circle center of the circular table hole as the center, and a plurality of positioning holes are annularly and uniformly distributed on the top wall of the circular table hole by taking the circle center of the circular table hole as the center; the lower die core is provided with a lower forming cavity matched with the upper forming cavity, the lower die core is provided with a circular platform section matched with the circular platform hole, the outer side wall of the circular platform section is annularly and uniformly distributed with a plurality of inclined slots by taking the circle center of the circular platform section as the center, and the top wall of the circular platform section is annularly and uniformly distributed with a plurality of elastic positioning rods by taking the circle center of the circular platform section as the center; when the upper mold core and the lower mold core are closed, the inclined insertion blocks on the upper mold core are respectively inserted into the inclined insertion grooves on the lower mold core one by one, and the elastic positioning rods on the lower mold core are respectively inserted into the positioning holes on the upper mold core one by one.

Furthermore, in the mold insert capable of self-locking and positioning in the injection mold, four positioning holes and four oblique insertion blocks are uniformly distributed in the circular table hole along the circle center of the circular table hole, four elastic positioning rods and four oblique insertion slots are uniformly distributed on the circular table section along the circle center of the circular table section, the four positioning holes can be aligned with the four elastic positioning rods one by one, and the four oblique insertion blocks can be aligned with the four oblique insertion slots one by one.

Further, but mould benevolence of auto-lock location in the aforesaid injection mould, wherein, elastic locating rod includes: t type pole, spring, the equipartition has a plurality of T type slide opening on the roof of round platform section, has placed spring, T type pole in proper order in the aperture section of T type slide opening, and the bottom of T type pole supports and leans on at the top of spring, is provided with the limiting plate in the large aperture section of T type slide opening, and the degree of depth that highly is less than T type slide opening large aperture section of limiting plate is provided with the through-hole on the limiting plate, upwards stretches out in the roof of round platform section behind the through-hole is passed to the top of T type pole.

Further, but mould benevolence of self-locking location among the aforementioned injection mould, wherein, connection structure between limiting plate and the T type slide opening is: four threaded holes are uniformly distributed in the bottom wall of the large-aperture section of the T-shaped sliding hole, four counter bores are uniformly distributed in the limiting plate, after the limiting plate is arranged in the large-aperture section of the T-shaped sliding hole, the four counter bores in the limiting plate are respectively aligned with the four threaded holes in the T-shaped sliding hole one by one, inner hexagon bolts are connected between the counter bores aligned with the threaded holes in a threaded mode, and nuts of the inner hexagon bolts are located in the counter bores.

Furthermore, in the mold core capable of self-locking and positioning in the injection mold, a chamfer is arranged at the top of the T-shaped rod, and a chamfer is also arranged on the positioning hole.

The utility model has the advantages of, when last mould benevolence and lower mould benevolence carry out the compound die, go up four oblique inserted blocks on the mould benevolence and insert respectively in four oblique slots on the lower mould benevolence, simultaneously, four elastic locating rods on the lower mould benevolence insert respectively one by one in the locating hole on the mould benevolence, just so can be to going up the effect that plays accurate location between mould benevolence and the lower mould benevolence, realize going up the accurate compound die between mould benevolence and the lower mould benevolence. And elastic locating rod can also play the cushioning effect to last mould benevolence, prevents to go up mould benevolence falling speed at the compound die when too fast and bump, damage with the lower mould benevolence.

Drawings

Fig. 1 is a schematic structural view of a mold insert capable of self-locking and positioning in an injection mold according to the present invention.

Fig. 2 is a structural schematic view of the upper mold core in fig. 1 in a bottom view.

Fig. 3 is a schematic top view of the lower mold core of fig. 1.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1, fig. 2 and fig. 3, the mold core capable of self-locking and positioning in the injection mold of the present invention comprises: the die comprises an upper die core 1 and a lower die core 2, wherein the bottom of the upper die core 1 is provided with a circular table hole 11, an upper forming cavity 12 is arranged on the top wall of the circular table hole 11, four inclined insertion blocks 13 are annularly and uniformly distributed on the hole wall of the circular table hole 11 by taking the circle center of the circular table hole 11 as the center, four positioning holes 14 are uniformly distributed on the top wall of the circular table hole 11 by taking the circle center of the circular table hole 11 as the center, and chamfers are arranged on the positioning holes 14; be provided with on lower mould benevolence 2 with last shaping chamber 12 matched with lower shaping chamber 21, be provided with on lower mould benevolence 2 can with the round platform section 22 of round platform hole 11 looks adaptation, the centre of a circle that uses round platform section 22 on round platform section 22's lateral wall has four oblique slots 23 as central annular equipartition, four oblique slots 23 can align one by one respectively with four oblique inserted blocks 13, use four dry elastic locating rods of the centre of a circle of round platform section 22 as central annular equipartition on round platform section 22's roof, four elastic locating rods can align one by one respectively with four locating holes 14, elastic locating rod includes: t type pole 3, spring 4, the equipartition has a plurality of T type slide opening 25 on the roof of circular platform section 22, spring 4 has been placed in proper order in the aperture section of T type slide opening 25, T type pole 3, the bottom of T type pole 3 supports and leans on the top at spring 4, be provided with limiting plate 5 in the large aperture section of T type slide opening 25, limiting plate 5 highly is less than the degree of depth of the large aperture section of T type slide opening 25, be provided with the through-hole on limiting plate 5, upwards stretch out in the roof of circular platform section 22 after the through-hole is passed at the top of T type pole 3, be provided with the chamfer at the top of T type pole 3. The connection structure between the limiting plate 5 and the T-shaped sliding hole 25 is as follows: four threaded holes are uniformly distributed in the bottom wall of the large-aperture section of the T-shaped sliding hole 25, four counter bores are uniformly distributed in the limiting plate 5, after the limiting plate 5 is arranged in the large-aperture section of the T-shaped sliding hole 25, the four counter bores in the limiting plate 5 are respectively aligned with the four threaded holes in the T-shaped sliding hole 25 one by one, inner hexagon bolts 51 are connected between the counter bores aligned with each other and the threaded holes in a threaded mode, and nuts of the inner hexagon bolts 51 are located in the counter bores.

The utility model has the advantages of, when going up mould benevolence 1 and lower mould benevolence 2 and carrying out the compound die, go up four oblique inserts 13 on the mould benevolence 1 and insert four oblique slots 23 on the lower mould benevolence 2 respectively, simultaneously, four elastic locating rods on the lower mould benevolence 2 insert respectively one by one in the locating hole 14 on the mould benevolence 1, just so can be to going up the effect that plays accurate location between mould benevolence 1 and the lower mould benevolence 2, realize going up the accurate compound die between mould benevolence 1 and the lower mould benevolence 2. And elastic locating rod can also play the cushioning effect to last mould benevolence 1, prevents to go up mould benevolence 1 whereabouts speed too fast and bump, damage with lower mould benevolence 2 when the compound die.

Claims (5)

1. But mould benevolence of self-locking location in injection mould includes: go up mould benevolence and lower mould benevolence, its characterized in that: the bottom of the upper die core is provided with a circular truncated cone hole, the top wall of the circular truncated cone hole is provided with an upper forming cavity, the hole wall of the circular truncated cone hole is annularly and uniformly distributed with a plurality of inclined insertion blocks by taking the circle center of the circular truncated cone hole as the center, and the top wall of the circular truncated cone hole is annularly and uniformly distributed with a plurality of positioning holes by taking the circle center of the circular truncated cone hole as the center; the lower die core is provided with a lower forming cavity matched with the upper forming cavity, the lower die core is provided with a circular platform section matched with the circular platform hole, the outer side wall of the circular platform section is annularly and uniformly distributed with a plurality of inclined slots by taking the circle center of the circular platform section as the center, and the top wall of the circular platform section is annularly and uniformly distributed with a plurality of elastic positioning rods by taking the circle center of the circular platform section as the center; when the upper mold core and the lower mold core are closed, the inclined insertion blocks on the upper mold core are respectively inserted into the inclined insertion grooves on the lower mold core one by one, and the elastic positioning rods on the lower mold core are respectively inserted into the positioning holes on the upper mold core one by one.

2. The mold core capable of self-locking and positioning in the injection mold according to claim 1, wherein: four positioning holes and four oblique insertion blocks are uniformly distributed in the circular platform hole along the circle center of the circular platform hole, four elastic positioning rods and four oblique insertion slots are uniformly distributed on the circular platform section along the circle center of the circular platform section, the four positioning holes can be respectively aligned with the four elastic positioning rods one by one, and the four oblique insertion blocks can be respectively aligned with the four oblique insertion slots one by one.

3. The mold core capable of self-locking and positioning in the injection mold according to claim 1 or 2, wherein: the elastic locating rod includes: t type pole, spring, the equipartition has a plurality of T type slide opening on the roof of round platform section, has placed spring, T type pole in proper order in the aperture section of T type slide opening, and the bottom of T type pole supports and leans on at the top of spring, is provided with the limiting plate in the large aperture section of T type slide opening, and the degree of depth that highly is less than T type slide opening large aperture section of limiting plate is provided with the through-hole on the limiting plate, upwards stretches out in the roof of round platform section behind the through-hole is passed to the top of T type pole.

4. The mold core capable of self-locking and positioning in an injection mold according to claim 3, wherein: the connection structure between limiting plate and the T-shaped sliding hole is as follows: four threaded holes are uniformly distributed in the bottom wall of the large-aperture section of the T-shaped sliding hole, four counter bores are uniformly distributed in the limiting plate, after the limiting plate is arranged in the large-aperture section of the T-shaped sliding hole, the four counter bores in the limiting plate are respectively aligned with the four threaded holes in the T-shaped sliding hole one by one, inner hexagon bolts are connected between the counter bores aligned with the threaded holes in a threaded mode, and nuts of the inner hexagon bolts are located in the counter bores.

5. The mold core capable of self-locking and positioning in an injection mold according to claim 3, wherein: a chamfer is arranged at the top of the T-shaped rod, and a chamfer is also arranged on the positioning hole.

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