CN210453391U - Automatic ejection and separation die structure for precise annular part - Google Patents
Automatic ejection and separation die structure for precise annular part Download PDFInfo
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- CN210453391U CN210453391U CN201921210046.0U CN201921210046U CN210453391U CN 210453391 U CN210453391 U CN 210453391U CN 201921210046 U CN201921210046 U CN 201921210046U CN 210453391 U CN210453391 U CN 210453391U
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Abstract
The utility model discloses an automatic ejecting mould structure that breaks away from of accurate annular part, locate the sleeve core needle of die cavity bottom butt shaping annular part, the sleeve that the sleeve core needle outside just elasticity withdrawed from die cavity or ejecting die cavity is located to the cover including the die cavity of holding annular part. The utility model discloses realize the automatic ejecting drawing of patterns of accurate annular part, avoid pulling.
Description
Technical Field
The utility model belongs to the technical field of the mould, especially, relate to an automatic ejecting mould structure that breaks away from of accurate annular part.
Background
The precision annular part has the characteristics of small size, light weight and easiness in breaking, cannot be clamped by a mechanical arm, cannot be automatically separated from a product, and cannot be fully automatically produced to influence the forming efficiency. The existing mold adopts a twice ejection mode, and because the product is of an annular structure, the product is ejected for many times to cause demolding deformation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem, and provide accurate annular part automatic ejecting break away from the mould structure to realize the automatic ejecting drawing of patterns of accurate annular part, avoid pulling. In order to achieve the above purpose, the utility model discloses technical scheme as follows:
the automatic ejecting mould structure that breaks away from of accurate annular part is including the die cavity of holding annular part, locate the sleeve core needle of die cavity bottom butt shaping annular part, the sleeve of locating sleeve core needle outside and elasticity withdrawal from the die cavity or ejecting die cavity.
Specifically, a penetrated female die core body is arranged in the female die core, and a convex part at the top of the molding cavity is arranged at the bottom of the female die core body.
Specifically, the circumferential side edge of the female die core is provided with a plurality of female die sliding blocks, the female die sliding blocks are connected with female die inserts extending into the female die core, and the side edge of each female die insert is provided with an arc-shaped part of the side edge of the forming cavity.
Specifically, the bottom of the female die sliding block is connected with a sliding block restraint block used for driving the female die sliding block to move.
Specifically, a through hole is formed in the male die core, an inclined slope is formed in the periphery of the through hole, the female die insert extends to the upper portion of the slope, and the female die core body extends to the upper portion of the through hole.
Specifically, the sleeve core needle is arranged at the bottom of the male die core and extends into the through hole, a needle head of a hole position in the formed annular part is arranged at the top of the sleeve core needle, and the top of the needle head is correspondingly abutted to the convex part.
Specifically, the sleeve is sleeved outside the sleeve core needle, the top of the sleeve extends into the through hole, and the top of the sleeve is lower than the inner peripheral position of the slope and falls into the through hole.
Specifically, springs connected with the core insert are symmetrically arranged on two sides of the bottom of the sleeve, and corresponding spring cavities for containing the end portions of the springs are respectively arranged on the sleeve and the core insert.
Specifically, equal-height screws for connecting the male die core are arranged in the male die plate, and a cavity for avoiding the movement of the sleeve is arranged in the male die plate.
Specifically, the bottom of the sleeve is provided with a top plate, and a thimble is arranged in the top plate.
Compared with the prior art, the utility model discloses automatic ejecting beneficial effect who breaks away from mould structure of accurate annular part mainly embodies:
through the sleeve of elastic connection core insert for the sleeve is ejecting the product once more after withdrawing from the die cavity and breaking away from the product, and the cooperation sleeve core needle effectively carries out the automatic drawing of patterns operation to light and thin type annular part, avoids using the ejecting mode of secondary to cause the product to strain the problem.
Drawings
Fig. 1 is a schematic front sectional view of an embodiment of the present invention;
FIG. 2 is a schematic perspective view of the present embodiment;
FIG. 3 is a schematic view of the surface structure of the core insert of the present embodiment;
FIG. 4 is a schematic top view of the sleeve of the present embodiment;
FIG. 5 is a schematic view of the bottom structure of the core insert of the present embodiment;
the figures in the drawings represent:
1 sleeve core pin, 11 sleeves, 2 male templates, 21 male templates, 22 female templates, 23 female templates, 24 female mold cores, 25 female mold sliders, 26 female mold inserts, 27 convex parts, 28 arc parts, 29 slider bundling blocks, 3 through holes, 31 sloping surfaces, 32 needle heads, 4 springs, 41 spring cavities, 42 cavities, 5 top plates, 51 ejector pins, 6 backing plates and 61 connecting blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention.
Example (b):
referring to fig. 1 to 5, the present embodiment is a structure for automatically ejecting and separating a precision annular part from a mold, and includes a cavity for accommodating the annular part, a sleeve core pin 1 disposed at the bottom of the cavity and abutting against the molded annular part, and a sleeve 11 sleeved outside the sleeve core pin 1 and elastically retreating from the cavity or ejecting out of the cavity.
The male template 2 is internally provided with a male mold core 21, and the female template 22 is internally provided with a female mold core 23. A penetrated female die core body 24 is arranged in the female die core 23, a plurality of female die slide blocks 25 are arranged on the circumferential side edge of the female die core 23, and the female die slide blocks 25 are connected with female die inserts 26 extending into the female die core 23. The bottom of the female mold core 24 is provided with a protrusion 27 at the top of the molding cavity. The sides of the master insert 26 are provided with arcuate portions 28 that form the sides of the mold cavity. The bottom of the female mold slider 25 is connected with a slider block 29 for driving the female mold slider 25 to move.
A through hole 3 is arranged in the core insert 21, an inclined slope 31 is arranged on the periphery of the through hole 3, the female mold insert 26 extends above the slope 31, and the female mold core 24 extends above the through hole 3.
The sleeve core needle 1 is arranged at the bottom of the male die core 21 and extends into the through hole 3, and the top of the sleeve core needle 1 is provided with a needle head 32 for forming a hole position in the annular part. The sleeve 11 is sleeved outside the sleeve core needle 1, the top of the sleeve extends into the through hole 3, and the inner peripheral position of the top of the sleeve 11, which is lower than the slope surface 31, is sunk into the through hole 3. The slope 31, the sleeve core pin 1 and the sleeve 11 jointly form the bottom of the cavity.
The height of the needle 32 is higher than the horizontal position of the through hole 3. The tip of the needle 32 is in corresponding abutment with the boss 27.
The two sides of the bottom of the sleeve 11 are symmetrically provided with springs 4 connected with the core insert 21, and the sleeve 11 and the core insert 21 are respectively provided with corresponding spring cavities 41 for accommodating the ends of the springs 4.
The male die plate 2 is internally provided with a equal-height screw (not shown in the figure) connected with the male die core 21, and the length distance of the top of the sleeve 11 exiting the die cavity is 3 mm. A cavity 42 which avoids the movement of the sleeve 11 is arranged in the core plate 2.
The bottom of the sleeve 11 is provided with a top plate 5, and the top plate 5 is internally provided with an ejector pin 51. The bottom of the male die core 21 is provided with a backing plate 6, and the bottom of the sleeve core pin 1 is connected with a connecting block 61 arranged in the backing plate 6.
When the method is applied, the female mold insert 26, the female mold core 24, the slope 31 of the male mold core 21, the sleeve core pin 1 and the sleeve 11 jointly form a cavity of the annular part, after the male mold plate 2 is opened to drive the sleeve 11 to exit the cavity for a certain distance, the sleeve core pin 1 and the slope 31 support the product, so that the sleeve 11 is separated from the product, and the male mold plate 2 and the male mold core 21 are opened together; the thimble 51 ejects the sleeve 11 to demould the whole product.
The sleeve 11 of elastic connection core insert 21 is passed through to this embodiment for ejecting product once more after the sleeve 11 breaks away from the product in the die cavity of withdrawing from, cooperation sleeve core needle 1 effectively carries out automatic drawing of patterns operation to light and thin type annular part, avoids using the ejecting mode of secondary to cause the product to strain the problem.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (10)
1. Accurate annular part is automatic ejecting breaks away from mould structure, its characterized in that: the sleeve comprises a cavity for accommodating an annular part, a sleeve core needle arranged at the bottom of the cavity and abutted against the annular part to be molded, and a sleeve sleeved outside the sleeve core needle and elastically retreating from the cavity or ejecting out of the cavity.
2. The automatic ejection and release die structure for precision annular parts according to claim 1, characterized in that: a penetrated female die core body is arranged in the female die core, and a convex part at the top of the molding cavity is arranged at the bottom of the female die core body.
3. The automatic ejection and release die structure for precision annular parts according to claim 2, characterized in that: the side edge of the female die core is provided with a plurality of female die sliding blocks, the female die sliding blocks are connected with female die inserts extending into the female die core, and the side edge of each female die insert is provided with an arc-shaped part of the side edge of the forming cavity.
4. The automatic ejection and release die structure for precision annular parts according to claim 3, characterized in that: the bottom of the female die sliding block is connected with a sliding block bundling block used for driving the female die sliding block to move.
5. The automatic ejection and release die structure for precision annular parts according to claim 3, characterized in that: the male die core is internally provided with a through hole, the periphery of the through hole is provided with an inclined slope surface, the female die insert extends to the upper part of the slope surface, and the female die core body extends to the upper part of the through hole.
6. The automatic ejection and release die structure for precision annular parts according to claim 5, wherein: the sleeve core needle is arranged at the bottom of the male die core and extends into the through hole, a needle head of a hole position in the formed annular part is arranged at the top of the sleeve core needle, and the top of the needle head is correspondingly abutted to the convex part.
7. The automatic ejection and release die structure for precision annular parts according to claim 5, wherein: the sleeve is sleeved outside the sleeve core needle, the top of the sleeve extends into the through hole, and the top of the sleeve is lower than the inner peripheral position of the slope and is sunk into the through hole.
8. The automatic ejection and release die structure for precision annular parts according to claim 5, wherein: springs connected with the male die core are symmetrically arranged on two sides of the bottom of the sleeve, and corresponding spring cavities for containing the end parts of the springs are respectively arranged on the sleeve and the male die core.
9. The automatic ejection and release die structure for precision annular parts according to claim 5, wherein: equal-height screws for connecting the male die core are arranged in the male die plate, and a cavity for avoiding the movement of the sleeve is arranged in the male die plate.
10. The automatic ejection and release die structure for precision annular parts according to claim 1, characterized in that: the bottom of the sleeve is provided with a top plate, and a thimble is arranged in the top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921210046.0U CN210453391U (en) | 2019-07-30 | 2019-07-30 | Automatic ejection and separation die structure for precise annular part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921210046.0U CN210453391U (en) | 2019-07-30 | 2019-07-30 | Automatic ejection and separation die structure for precise annular part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210453391U true CN210453391U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921210046.0U Active CN210453391U (en) | 2019-07-30 | 2019-07-30 | Automatic ejection and separation die structure for precise annular part |
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| CN (1) | CN210453391U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370509A (en) * | 2019-07-30 | 2019-10-25 | 泰德兴精密电子（昆山）有限公司 | Accurate ring-shaped work pieces automatic ejection break away from moulds structure |
| CN110370509B (en) * | 2019-07-30 | 2024-06-04 | 泰德兴精密电子（昆山）有限公司 | Automatic ejection and release die structure for precise annular part |
-
2019
- 2019-07-30 CN CN201921210046.0U patent/CN210453391U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370509A (en) * | 2019-07-30 | 2019-10-25 | 泰德兴精密电子（昆山）有限公司 | Accurate ring-shaped work pieces automatic ejection break away from moulds structure |
| CN110370509B (en) * | 2019-07-30 | 2024-06-04 | 泰德兴精密电子（昆山）有限公司 | Automatic ejection and release die structure for precise annular part |
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