CN214926647U - High-precision quick-dismantling injection mold - Google Patents
High-precision quick-dismantling injection mold Download PDFInfo
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- CN214926647U CN214926647U CN202121331961.2U CN202121331961U CN214926647U CN 214926647 U CN214926647 U CN 214926647U CN 202121331961 U CN202121331961 U CN 202121331961U CN 214926647 U CN214926647 U CN 214926647U
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Abstract
The utility model discloses a high accuracy quick detach formula injection mould, include: the mold comprises an upper mold plate, a lower mold plate, an upper mold core and a lower mold core, wherein the upper mold plate and the upper mold core are taken as examples: trapezoidal sliding blocks are uniformly distributed in the upper template, trapezoidal sliding grooves are uniformly distributed on the upper die core, a plurality of first positioning holes are formed in the upper die core, a plurality of sliding holes are formed in the upper template, a positioning block is respectively arranged in each sliding hole in a sliding manner, and a push-pull mechanism is connected to each positioning block; the bottom of the upper die core is provided with a circular table hole, oblique inserting blocks are uniformly and annularly distributed on the circular table hole, a second positioning hole is uniformly and annularly distributed on the top wall of the circular table hole, a circular table section is arranged on the lower die core, oblique inserting grooves are uniformly and annularly distributed on the outer side wall of the circular table section, and a plurality of elastic positioning rods are uniformly and annularly distributed on the top wall of the circular table section. The utility model has the advantages that: the connecting strength and the dismounting efficiency between the upper die core and the upper die plate and between the lower die core and the lower die plate are improved, and the die assembly precision between the upper die core and the lower die core is also improved.
Description
Technical Field
The utility model relates to an injection mould especially relates to a high accuracy quick detach formula 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 plate is provided with a guide pillar and a positioning column, the lower die plate is provided with a guide sleeve and a positioning sleeve, the upper die core is arranged in the upper die plate and connected through a bolt, and the lower die core is arranged in the lower die plate and connected through a bolt. The injection mould of the traditional structure has the following defects: 1. the bolts used for connecting the upper mold core and the upper mold plate and the lower mold core and the lower mold plate are more in number, the more the number of the bolts is, the higher the connecting strength between the upper mold core and the upper mold plate and between the lower mold core and the lower mold plate is, but the more the disassembly and assembly are complex, the fewer the number of the bolts is, the lower the connecting strength between the upper mold core and the upper mold plate and between the lower mold core and the lower mold plate is, and the unstable connection between the upper mold core and the upper mold plate and between the lower mold core and the lower mold core is easy to occur; 2. when unstable connection occurs between the upper mold core and the upper mold plate and between the lower mold core and the lower mold core, the mold closing precision between the upper mold core and the lower mold core is reduced, and thus the injection molding quality is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high accuracy quick detach formula injection mould has both improved the joint strength between upper die benevolence and cope match-plate pattern, lower mould benevolence and the lower bolster, has improved the dismouting efficiency between upper die benevolence and cope match-plate pattern, lower mould benevolence and the lower bolster again, has still improved the compound die precision between upper die benevolence and the lower mould benevolence simultaneously.
In order to achieve the above object, the utility model adopts the following technical scheme: a high accuracy quick detach formula injection mould includes: the upper die plate and the lower die plate are provided with an upper die cavity, the upper die cavity is arranged in the upper die cavity, the lower die cavity is arranged in the lower die plate, the lower die cavity is arranged in the lower die cavity, the upper die plate and the upper die core are the same as the lower die plate and the lower die core, and the upper die plate and the upper die core are connected by the connecting structure as an example: a plurality of trapezoidal sliding blocks are uniformly distributed on the wall of the upper die cavity in an annular manner by taking the circle center of the upper die cavity as the center in the upper die cavity, a plurality of trapezoidal chutes are annularly and uniformly distributed on the outer side wall of the upper die core by taking the circle center of the upper die core as the center, the trapezoidal chutes on the upper die core are respectively in sliding connection with the trapezoidal sliding blocks on the upper die cavity one by one, a plurality of first positioning holes are arranged on the outer side wall of the upper die core, the first positioning holes are not interfered with the trapezoidal sliding groove, a plurality of sliding holes which are aligned with the first positioning holes one by one are arranged on the upper template, a positioning block is respectively arranged in each sliding hole in a sliding way, one end of the positioning block close to the upper die core can extend into the aligned first positioning holes, one end of the positioning block far away from the upper die core extends out of the upper template, a push-pull mechanism capable of driving the positioning block to extend into or far away from the first positioning hole is connected to the positioning block extending out of the upper template; the bottom of the upper die core is provided with a circular table hole, an upper forming cavity is arranged on the top wall of the circular table hole, a plurality of oblique inserting 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, a plurality of second 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, a lower forming cavity matched with the upper forming cavity is arranged on the lower die core, a circular table section capable of being matched with the circular table hole is arranged on the lower die core, a plurality of oblique inserting grooves are annularly and uniformly distributed on the outer side wall of the circular table section by taking the circle center of the circular table section as the center, and a plurality of elastic positioning rods are annularly and uniformly distributed on the top wall of the circular table section by taking the circle center of the circular table 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 second positioning holes on the upper mold core one by one.
Furthermore, in the aforementioned high-precision quick-release injection mold, the left and right side walls and the rear side wall of the upper mold core are respectively provided with a first positioning hole, the left and right side walls and the rear side wall of the upper mold plate are respectively provided with a sliding hole, the three sliding holes are respectively provided with a positioning block in a sliding manner, and the three positioning blocks are respectively connected with a push-pull mechanism.
Further, the injection mold of the high precision quick detach type, wherein the push-pull mechanism includes: the cylinder that sets up on the cope match-plate pattern lateral wall is provided with the mounting groove on lieing in the cope match-plate pattern lateral wall of cylinder with one side, fixedly connected with sliding seat in the mounting groove, and the locating piece passes and slides after the sliding seat and sets up in the slide opening, and sliding connection has the connecting rod seat from top to bottom on the sliding seat, and articulated between connecting rod seat and locating piece have the connecting rod, and the output shaft on the cylinder is to lower and connecting rod seat alignment, is connected with the push pedal on the output shaft of cylinder.
Further, in the high-precision quick-release injection mold, a wedge-shaped surface is arranged between the top of the upper mold core and the side wall, a wedge-shaped block which is matched with the wedge-shaped surface and can extend into the first positioning hole is arranged at one end, close to the upper mold core, of the positioning block, and an inclined surface on the wedge-shaped block is in smooth transition connection with the bottom wall of the positioning block through an arc.
Further, in the high-precision quick-release injection mold, the wedge-shaped block protrudes upwards from the top wall of the positioning block, an installation gap is reserved between the sliding hole and the top wall of the positioning block, a first spring is arranged in the installation gap, one end of the first spring abuts against the wedge-shaped block, and the other end of the first spring abuts against the sliding seat.
Further, aforementioned high accuracy quick detach formula injection mould, wherein, the elastic locating pole includes: t type pole, second spring, the equipartition has a plurality of T type slide opening on the roof of round platform section, second spring has been placed in proper order in the aperture section of T type slide opening, T type pole, the bottom of T type pole supports and leans on the top at the second spring, be provided with the limiting plate in the aperture section of T type slide opening, the degree of depth that highly is less than T type slide opening aperture section of limiting plate, be provided with the through-hole on the limiting plate, upwards stretch out in the roof of round platform section behind the through-hole is passed to the top of T type pole.
Further, aforementioned high accuracy quick detach formula injection mould, wherein, the 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.
The utility model has the advantages that: the connecting strength between the upper die core and the upper die plate and between the lower die core and the lower die plate are improved, the dismounting efficiency between the upper die core and the upper die plate and between the lower die core and the lower die plate is improved, and the die assembly precision between the upper die core and the lower die core is also improved.
Drawings
Fig. 1 is a schematic sectional structure view of a high-precision quick-release injection mold of the present invention.
Fig. 2 is a structural view in a bottom view of the upper mold plate and the upper mold core in fig. 1 after being connected.
FIG. 3 is a schematic top view of the lower plate of FIG. 1 attached to a lower core.
Fig. 4 is an enlarged schematic view of the direction a in 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, fig. 3, and fig. 4, the utility model discloses a high accuracy quick detach formula injection mould, include: the upper die plate 1, the lower die plate 2 are provided with the die cavity in the upper die plate 1, are provided with upper die benevolence 3 in the upper die cavity, are provided with lower die cavity in the lower die plate 2, are provided with lower die benevolence 4 in the lower die cavity, and the connection structure between upper die plate 1 and the last mould benevolence 3 is the same with the connection structure between lower die plate 2 and the lower mould benevolence 4, and the connection structure between upper die plate 1 and the last mould benevolence 3 is exemplified: a wedge-shaped surface 31 is arranged between the top and the side wall of the upper die core 3, three trapezoidal sliding blocks 11 are annularly and uniformly distributed on the wall of the upper die cavity by taking the circle center of the upper die cavity as the center in the upper die cavity, three trapezoidal sliding grooves 32 are annularly and uniformly distributed on the outer side wall of the upper die core 3 by taking the circle center of the upper die cavity as the center in the upper die cavity, the three trapezoidal sliding grooves 32 on the upper die core 3 are respectively and slidably connected with the three trapezoidal sliding blocks 11 on the upper die cavity one by one, first positioning holes 33 are respectively arranged on the left side wall, the right side wall and the rear side wall of the upper die core 3, the first positioning holes 33 are not interfered with the trapezoidal sliding grooves 32, a sliding hole is respectively arranged on the left side wall, the right side wall and the rear side wall of the upper die plate 1, the three sliding holes are respectively and slidably aligned with the three first positioning holes 33 one by one, a positioning block 12 is respectively slidably arranged in the three sliding holes, one end, which is close to the upper die core 3, on the positioning block 12 is provided with a wedge-shaped surface which is matched with the wedge-shaped surface 31, And can stretch into the wedge-shaped block 13 in the first locating hole 33, through the smooth transitional coupling of circular arc between the inclined plane on the wedge-shaped block 13 and the diapire of locating piece 12, the one end of keeping away from upper die benevolence 3 on the locating piece 12 outwards stretches out in cope match-plate pattern 1, is connected with the push-and-pull institution that can drive locating piece 12 and stretch into or keep away from first locating hole 33 on the locating piece 12 that stretches out in cope match-plate pattern 1, push-and-pull institution includes: the side wall of the upper template 1, which is positioned on the same side of the cylinder 5, is provided with a mounting groove, a sliding seat 51 is fixedly connected in the mounting groove, the positioning block 12 is slidably arranged in a sliding hole after penetrating through the sliding seat 51, the wedge-shaped block 13 on the positioning block 12 protrudes upwards from the top wall of the positioning block 12, a mounting gap is reserved between the sliding hole and the top wall of the positioning block 12, a first spring 52 is arranged in the mounting gap, one end of the first spring 52 abuts against the wedge-shaped block 13, the other end of the first spring 52 abuts against the sliding seat 51, a connecting rod seat 53 is slidably connected on the sliding seat 51 upwards and downwards, a connecting rod 54 is hinged between the connecting rod seat 53 and the positioning block 12, an output shaft on the cylinder 5 is aligned downwards with the connecting rod seat 53, and a push plate 55 is connected on the output shaft of the cylinder 5.
When the upper die core 3 is installed in the upper die plate 1, the three trapezoidal sliding grooves 32 on the upper die core 3 are respectively in one-to-one sliding connection with the three trapezoidal sliding blocks 11 in the upper die cavity, the upper die core 3 slides upwards in the die cavity along the trapezoidal sliding blocks 11, after the wedge-shaped surface 31 on the upper die core 3 is contacted with the inclined surface on the wedge-shaped block 13, the interaction between the wedge-shaped surface 31 and the inclined surface on the wedge-shaped block 13 drives the wedge-shaped block 13 on the positioning block 12 to retract into the sliding hole of the upper die plate 1 by overcoming the elastic force of the first spring 52, the upper die core 3 continues to slide upwards, when the first positioning hole 33 on the upper die core 3 is aligned with the sliding hole, the positioning block 12 moves towards the upper die core 3 under the action of the elastic force, so that the wedge-shaped block 13 on the positioning block 12 extends into the first positioning hole 33, and the three positioning blocks 12 have a strong connecting and fixing effect on the upper die core 3. When the upper die core 3 needs to be detached, the cylinder 5 is started, the output shaft on the cylinder 5 drives the push plate 55 to move downwards, the push plate 55 is connected with the connecting rod seat 53 and then drives the connecting rod seat 53 to move downwards on the sliding seat 51, the connecting rod seat 54 drives the positioning block 12 to move in the direction away from the upper die core 3 after overcoming the elastic force of the first spring 52 through the connecting rod 54, so that the wedge blocks 13 retract into the sliding holes of the upper die plate 1 from the first positioning holes 33, and when the wedge blocks 13 on the three positioning blocks 12 are separated from the corresponding first positioning holes 33, the upper die core 3 can be detached from the die cavity of the upper die plate 1. Go up not only to going up mould benevolence 3 after three trapezoidal spout 32 on the mould benevolence 3 respectively with last mould chamber on three trapezoidal slider 11 sliding connection one by one not only play the guide effect, still played horizontal limiting displacement to last mould benevolence 3, carve the type piece 13 on three locating piece 12 and stretch into three first locating hole 33 back respectively, played vertical limiting displacement to last mould benevolence 3, so not only improved the joint strength between last mould benevolence 3 and the cope match-plate pattern 1, still made things convenient for dismouting work between last mould benevolence 3 and the cope match-plate pattern 1. The dismounting mode between the lower die core 4 and the lower template 2 is the same as the dismounting mode between the upper die core 3 and the upper template 1.
Be provided with round platform hole 34 in the bottom of last mould benevolence 3, be provided with on the roof of round platform hole 34 and become die cavity 35, it has a plurality of oblique inserted blocks 341 to use the centre of a circle of round platform hole 34 as central annular equipartition on the pore wall of round platform hole 34, it has a plurality of second locating holes 342 to use the centre of a circle of round platform hole 34 as central annular equipartition on the roof of round platform hole 34, be provided with on lower mould benevolence 4 with last die cavity 35 matched with lower die cavity 41 that becomes die cavity, be provided with on lower mould benevolence 4 can with the round platform section 42 of round platform hole 34 looks adaptation, it has a plurality of oblique slots 43 to use the centre of a circle of round platform section 42 as central annular equipartition on the lateral wall of round platform section 42, it includes to use the centre of a circle of round platform section 42 as central annular equipartition on the roof of round platform section 42: t type pole 6, second spring 61, the equipartition has a plurality of T type slide opening on the roof of round platform section 42, second spring 61 has been placed in proper order in the aperture section of T type slide opening, T type pole 6, the bottom of T type pole 6 supports the top that leans on at second spring 61, be provided with limiting plate 62 in the major aperture section of T type slide opening, limiting plate 62 highly is less than the degree of depth of T type slide opening major aperture section, be provided with the through-hole on limiting plate 62, upwards stretch out in the roof of round platform section 42 after the through-hole is passed at the top of T type pole 6. Wherein, the connection structure between limiting plate 62 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 62, after the limiting plate 62 is arranged in the large-aperture section of the T-shaped sliding hole, the four counter bores in the limiting plate 62 are respectively aligned with the four threaded holes in the T-shaped sliding hole one by one, inner hexagon bolts 63 are connected between the counter bores aligned with the threaded holes in a threaded mode, and nuts of the inner hexagon bolts 63 are located in the counter bores.
When going up mould benevolence 3 and lower mould benevolence 4 and carrying out the compound die, go up four oblique inserts 341 on the mould benevolence 4 and insert four oblique slots 43 on the lower mould benevolence 4 respectively, simultaneously, four elastic locating rods on the lower mould benevolence 4 insert respectively one by one in the second locating hole 342 on the mould benevolence 3, just so can be to going up the effect that plays accurate location between mould benevolence 3 and the lower mould benevolence 4, realize going up the accurate compound die between mould benevolence 3 and the lower mould benevolence 4. The elastic locating rod can also play a role in buffering the upper mold core 3, and the upper mold core 3 is prevented from being collided and damaged with the lower mold core 4 due to too high falling speed when the mold is closed.
The utility model has the advantages that: the connecting strength between the upper die core and the upper die plate and between the lower die core and the lower die plate are improved, the dismounting efficiency between the upper die core and the upper die plate and between the lower die core and the lower die plate is improved, and the die assembly precision between the upper die core and the lower die core is also improved.
Claims (7)
1. A high accuracy quick detach formula injection mould includes: cope match-plate pattern, lower bolster, its characterized in that: be provided with the die cavity in the cope match-plate pattern, be provided with mould benevolence in last die cavity, be provided with down the die cavity in the lower mould board, be provided with lower mould benevolence in lower die cavity, connection structure between cope match-plate pattern and the last mould benevolence is the same with connection structure between lower bolster and the lower mould benevolence, and connection structure between cope match-plate pattern and the last mould benevolence is the example: a plurality of trapezoidal sliding blocks are uniformly distributed on the wall of the upper die cavity in an annular manner by taking the circle center of the upper die cavity as the center in the upper die cavity, a plurality of trapezoidal chutes are annularly and uniformly distributed on the outer side wall of the upper die core by taking the circle center of the upper die core as the center, the trapezoidal chutes on the upper die core are respectively in sliding connection with the trapezoidal sliding blocks on the upper die cavity one by one, a plurality of first positioning holes are arranged on the outer side wall of the upper die core, the first positioning holes are not interfered with the trapezoidal sliding groove, a plurality of sliding holes which are aligned with the first positioning holes one by one are arranged on the upper template, a positioning block is respectively arranged in each sliding hole in a sliding way, one end of the positioning block close to the upper die core can extend into the aligned first positioning holes, one end of the positioning block far away from the upper die core extends out of the upper template, a push-pull mechanism capable of driving the positioning block to extend into or far away from the first positioning hole is connected to the positioning block extending out of the upper template; the bottom of the upper die core is provided with a circular table hole, an upper forming cavity is arranged on the top wall of the circular table hole, a plurality of oblique inserting 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, a plurality of second 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, a lower forming cavity matched with the upper forming cavity is arranged on the lower die core, a circular table section capable of being matched with the circular table hole is arranged on the lower die core, a plurality of oblique inserting grooves are annularly and uniformly distributed on the outer side wall of the circular table section by taking the circle center of the circular table section as the center, and a plurality of elastic positioning rods are annularly and uniformly distributed on the top wall of the circular table section by taking the circle center of the circular table 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 second positioning holes on the upper mold core one by one.
2. The high-precision quick-release injection mold according to claim 1, wherein: the left side wall, the right side wall and the rear side wall of the upper die core are respectively provided with a first positioning hole, the left side wall, the right side wall and the rear side wall of the upper die plate are respectively provided with a sliding hole, the three sliding holes are respectively provided with a positioning block in a sliding manner, and the three positioning blocks are respectively connected with a push-pull mechanism.
3. A high precision quick disconnect injection mold as defined in claim 1 or 2 wherein: the push-pull mechanism comprises: the cylinder that sets up on the cope match-plate pattern lateral wall is provided with the mounting groove on lieing in the cope match-plate pattern lateral wall of cylinder with one side, fixedly connected with sliding seat in the mounting groove, and the locating piece passes and slides after the sliding seat and sets up in the slide opening, and sliding connection has the connecting rod seat from top to bottom on the sliding seat, and articulated between connecting rod seat and locating piece have the connecting rod, and the output shaft on the cylinder is to lower and connecting rod seat alignment, is connected with the push pedal on the output shaft of cylinder.
4. A high precision quick disconnect injection mold according to claim 3, characterized in that: a wedge-shaped surface is arranged between the top and the side wall of the upper die core, a wedge-shaped block which is matched with the wedge-shaped surface and can extend into the first positioning hole is arranged at one end of the positioning block, which is close to the upper die core, and the inclined surface of the wedge-shaped block is in smooth transition connection with the bottom wall of the positioning block through an arc.
5. The high precision quick disconnect injection mold of claim 4, wherein: the wedge-shaped block protrudes upwards from the top wall of the positioning block, a mounting gap is reserved between the sliding hole and the top wall of the positioning block, a first spring is arranged in the mounting gap, one end of the first spring abuts against the wedge-shaped block, and the other end of the first spring abuts against the sliding seat.
6. A high precision quick disconnect injection mold as defined in claim 1 or 2 wherein: the elastic locating rod includes: t type pole, second spring, the equipartition has a plurality of T type slide opening on the roof of round platform section, second spring has been placed in proper order in the aperture section of T type slide opening, T type pole, the bottom of T type pole supports and leans on the top at the second spring, be provided with the limiting plate in the aperture section of T type slide opening, the degree of depth that highly is less than T type slide opening aperture section of limiting plate, be provided with the through-hole on the limiting plate, upwards stretch out in the roof of round platform section behind the through-hole is passed to the top of T type pole.
7. The high precision quick disconnect injection mold of claim 6, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121331961.2U CN214926647U (en) | 2021-06-16 | 2021-06-16 | High-precision quick-dismantling injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121331961.2U CN214926647U (en) | 2021-06-16 | 2021-06-16 | High-precision quick-dismantling injection mold |
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| Publication Number | Publication Date |
|---|---|
| CN214926647U true CN214926647U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121331961.2U Active CN214926647U (en) | 2021-06-16 | 2021-06-16 | High-precision quick-dismantling injection mold |
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| Country | Link |
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| CN (1) | CN214926647U (en) |
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2021
- 2021-06-16 CN CN202121331961.2U patent/CN214926647U/en active Active
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