CN210231485U - Fixed die pre-ejection mechanism of metal die-casting die - Google Patents
Fixed die pre-ejection mechanism of metal die-casting die Download PDFInfo
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- CN210231485U CN210231485U CN201921212618.9U CN201921212618U CN210231485U CN 210231485 U CN210231485 U CN 210231485U CN 201921212618 U CN201921212618 U CN 201921212618U CN 210231485 U CN210231485 U CN 210231485U
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Abstract
The utility model relates to a fixed die pre-ejection mechanism of a metal die-casting die, which comprises a die carrier, wherein the die carrier is internally provided with a die core, a casting is arranged in the die core, guide holes are symmetrically dug at the bottom of the die carrier, a reset spring is fixedly arranged at the top of the inner cavity of each guide hole, a reset rod is fixedly arranged at the bottom of the reset spring, the top of the reset rod is arranged in the inner cavity of each guide hole in a penetrating way, the deformation of a thin-wall casting can be reduced, the manufacturing cost is reduced, the maintenance of the die is reduced, the service life of the die is prolonged, a bottom plate is controlled to ascend when the die is opened, the reset rod and an ejector pin can be controlled to synchronously advance, the casting can be ejected out of the die core, the problem that the die core draft angle is too small, the problem that the casting is damaged by the excessive tightening force of the rapid, the fixed die ejection mechanism can 100% take the slag ladle away, and can prevent the die from being crushed.
Description
Technical Field
The utility model relates to a metal die casting die fixed mould ejection mechanism in advance belongs to die casting die technical field.
Background
The existing die-casting die ejection mechanism has the problems that the requirements of castings are continuously improved, particularly weak ribs and small die drawing angles are arranged on the fixed die surface, so that the demolding is not smooth, the ejection is unbalanced, the castings are seriously deformed, the shaping difficulty is high, and the shaping and cracking are easy to occur; the casting similar to the net-shaped thin wall needs higher speed for filling the cavity, a slag ladle is easy to adhere to a fixed die surface, the secondary die assembly can crush the die, the service life of the die is shortened, and further improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of overcoming the existing defects, and provides a fixed die pre-ejection mechanism of a metal die-casting die, which can reduce the deformation of a thin-wall casting, reduce the manufacturing cost, reduce the die maintenance, prolong the service life of the die, control the lifting of a bottom plate during die opening, further control a reset rod to advance synchronously with a thimble, eject the casting out of a die core, effectively solve a series of problems that the die core draft angle is too small, the wrapping force of sharp shrinkage during casting cooling is too large, the casting is damaged during die opening, the shaping difficulty is large and the shaping is cracked due to increased casting deformation, and the like, simultaneously, after a slag ladle at the tail end of the casting is opened, the ejection mechanism of the fixed die can take away 100 percent of the slag ladle, can prevent the die from being crushed, through arranging a reset spring, the reset spring can reset the reset rod, and can enable the top of the thimble to be retracted into a through hole at the bottom of the, the upper die can be guided and positioned by arranging the first guide positioning hole and the second guide positioning hole, so that the production quality of the die-casting die can be improved, and the problem in the background technology can be effectively solved.
In order to solve the technical problem, the utility model provides a following technical scheme:
metal die casting die fixed mould is ejection mechanism in advance, including the die carrier, the inside mold core that is equipped with of die carrier, the inside foundry goods that is equipped with of mold core, the symmetry is dug and is equipped with the guiding hole bottom the die carrier, the fixed reset spring that is equipped with in guiding hole inner chamber top, the fixed release link that is equipped with in reset spring bottom, just the release link top is worn to locate the guiding hole inner chamber, the fixed roof that is equipped with in release link bottom, the roof bottom is through pillar fixedly connected with bottom plate, the fixed thimble that is equipped with of roof top equidistance.
Further, the mold core bottom equidistance is dug and is equipped with the through-hole, just the top of thimble is worn to locate in the through-hole.
Further, the two sides of the die carrier are symmetrically provided with fixed mounting grooves in an excavating mode.
Furthermore, mounting holes are symmetrically dug at four corners of the bottom plate.
Furthermore, the die carrier is symmetrically provided with first guide positioning holes at four corners.
Furthermore, the mold core is symmetrically provided with second guiding positioning holes at four corners.
The utility model discloses beneficial effect: the fixed die pre-ejection mechanism of the metal die-casting die can reduce the deformation of a thin-wall casting, reduce the manufacturing cost, reduce the maintenance of the die, prolong the service life of the die, control the lifting of the bottom plate when the die is opened, further control the reset rod to synchronously advance with the thimble, eject the casting out of the die core, effectively solve a series of problems that the die-drawing angle of the die core is too small, the wrapping force of the sharp shrinkage when the casting is cooled is too large, the casting is damaged when the die is opened, the shaping difficulty is large and the shaping is cracked due to the increase of the deformation of the casting, simultaneously, the slag ladle at the tail end of the casting can be separated by 100 percent of the ejection mechanism of the fixed die after the die is opened, the die can be prevented from being crushed, the reset spring can reset the reset rod by setting the reset spring, further reset the top plate can be retracted into the through hole at the bottom of the, the upper die can be guided and positioned by arranging the first guide positioning hole and the second guide positioning hole, so that the production quality of the die-casting die can be improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic structural view of the fixed mold pre-ejection mechanism of the metal die-casting mold of the present invention.
Fig. 2 is a sectional view of the fixed mold pre-ejection mechanism of the metal die-casting mold of the present invention.
Fig. 3 is a schematic view of the mold core structure of the fixed mold pre-ejection mechanism of the metal die-casting mold of the present invention.
Fig. 4 is a schematic structural view of the top plate of the fixed mold pre-ejection mechanism of the metal die-casting mold of the present invention.
Reference numbers in the figures: 1. a mold frame; 2. a mold core; 3. casting; 4. a guide hole; 5. a return spring; 6. a reset lever; 7. a top plate; 8. a pillar; 9. a base plate; 10. a thimble; 11. fixing the mounting groove; 12. mounting holes; 13. a first guiding positioning hole; 14. and a second guiding positioning hole.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
The first embodiment is as follows:
as shown in fig. 1-4, the fixed mold pre-ejection mechanism for the metal die-casting mold comprises a mold base 1, a mold core 2 is arranged inside the mold base 1, a casting 3 is arranged inside the mold core 2, guide holes 4 are symmetrically dug at the bottom of the mold base 1, a reset spring 5 is fixedly arranged at the top of an inner cavity of each guide hole 4, a reset spring 5 is arranged, the reset spring 5 can reset a reset rod 6, further a top plate 7 can be reset, the top of a thimble 10 can be retracted into a through hole at the bottom of the mold core 2 for use next time, a reset rod 6 is fixedly arranged at the bottom of the reset spring 5, the top of the reset rod 6 is arranged in the inner cavity of each guide hole 4 in a penetrating manner, a top plate 7 is fixedly arranged at the bottom of the reset rod 6, a bottom plate 9 is fixedly connected to the bottom of the top plate 7 through a support column 8, and further, the reset rod 6 and the ejector pin 10 can be controlled to synchronously move forwards, the casting 3 can be ejected out of the mold core 2, and a series of problems that the mold core drawing angle is too small, the casting 3 is damaged by pulling when the mold opening is carried out due to too large wrapping force of sharp shrinkage of the casting 3 during cooling, the casting 3 is deformed by increasing the deformation of the casting 3, the shaping difficulty is large, the shaping is cracked, and the like can be effectively solved.
In this embodiment, the bottom of the mold core 2 is provided with through holes in an equidistant manner, and the top of the thimble 10 is inserted into the through holes.
In this embodiment, the fixed mounting grooves 11 are symmetrically dug in the two sides of the die carrier 1, the fixed mounting grooves 11 are arranged to facilitate the fixed mounting of the die carrier 1, and the die carrier 1 is conveniently mounted on the frame.
In this embodiment, the die carrier 1 is symmetrically provided with the first guiding positioning holes 13 at four corners thereof, and the first guiding positioning holes 13 are arranged to guide and position the upper die, so that the production quality of the die-casting die can be improved.
Example two:
as shown in fig. 1 and 4, mounting holes 12 are symmetrically dug at four corners of the bottom plate 9, the mounting holes 12 are formed so that the bottom plate 9 can be connected with a hydraulic rod, an electric telescopic rod and the like, the hydraulic rod and the electric telescopic rod can control the bottom plate 9 to lift, the ejector pins 10 can be conveniently controlled to lift, and the casting 3 can be conveniently ejected.
Example three:
as shown in fig. 1 and fig. 3, second guiding positioning holes 14 are symmetrically dug at four corners of the mold core 2, and the second guiding positioning holes 14 are arranged to guide and position the upper mold, so that the production quality of the die-casting mold can be improved.
The utility model discloses the theory of operation: control bottom plate 9 rises when the die sinking, and then can control release link 6 and thimble 10 to go forward in step, can be with 3 ejecting mold cores 2 of foundry goods, can effectively solve mold core draft angle undersize, the wrapping force of sharp shrink is too big when 3 cooling of foundry goods pulls foundry goods 3 when the die sinking, it makes the plastic degree of difficulty big and a series of problems such as plastic fracture to increase 3 deflection of foundry goods, reset spring 5 can reset to release link 6, and then can reset roof 7, can make thimble 10 top indentation in the through-hole of 2 bottoms of mold cores be convenient for use next time, make bottom plate 9 also can be connected with hydraulic stem, electric telescopic handle etc. through mounting hole 12, the hydraulic stem, electric telescopic handle can control bottom plate 9 and go up and down, and then conveniently control thimble 10 and go up and down, conveniently ejecting 3 of foundry goods.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (6)
1. Metal die casting die fixed mould is ejection mechanism in advance, including die carrier (1), its characterized in that: die carrier (1) inside is equipped with mold core (2), inside foundry goods (3) that are equipped with of mold core (2), die carrier (1) bottom symmetry is dug and is equipped with guiding hole (4), fixed reset spring (5) that are equipped with in guiding hole (4) inner chamber top, reset spring (5) bottom is fixed and is equipped with release link (6), just guiding hole (4) inner chamber is worn to locate at release link (6) top, fixed roof (7) that are equipped with in release link (6) bottom, pillar (8) fixedly connected with bottom plate (9) are passed through to roof (7) bottom, roof (7) top equidistance is fixed and is equipped with thimble (10).
2. The fixed die pre-ejection mechanism for a metal die-casting die as claimed in claim 1, wherein: the bottom of the mold core (2) is provided with through holes in an equidistance digging mode, and the top of the thimble (10) penetrates through the through holes.
3. The fixed die pre-ejection mechanism for a metal die-casting die as claimed in claim 1, wherein: the die carrier (1) bilateral symmetry is dug and is equipped with fixed mounting groove (11).
4. The fixed die pre-ejection mechanism for a metal die-casting die as claimed in claim 1, wherein: and mounting holes (12) are symmetrically dug at the four corners of the bottom plate (9).
5. The fixed die pre-ejection mechanism for a metal die-casting die as claimed in claim 1, wherein: first guide positioning holes (13) are symmetrically dug at four corners of the die carrier (1).
6. The fixed die pre-ejection mechanism for a metal die-casting die as claimed in claim 1, wherein: and second guide positioning holes (14) are symmetrically dug at four corners of the mold core (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921212618.9U CN210231485U (en) | 2019-07-30 | 2019-07-30 | Fixed die pre-ejection mechanism of metal die-casting die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921212618.9U CN210231485U (en) | 2019-07-30 | 2019-07-30 | Fixed die pre-ejection mechanism of metal die-casting die |
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| CN210231485U true CN210231485U (en) | 2020-04-03 |
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| CN201921212618.9U Active CN210231485U (en) | 2019-07-30 | 2019-07-30 | Fixed die pre-ejection mechanism of metal die-casting die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113680990A (en) * | 2021-08-27 | 2021-11-23 | 广州市型腔模具制造有限公司 | Fixed die structure for 5G communication piece die and die |
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2019
- 2019-07-30 CN CN201921212618.9U patent/CN210231485U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113680990A (en) * | 2021-08-27 | 2021-11-23 | 广州市型腔模具制造有限公司 | Fixed die structure for 5G communication piece die and die |
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