CN210702461U - Upper die ejection device of die casting die - Google Patents
Upper die ejection device of die casting die Download PDFInfo
- Publication number
- CN210702461U CN210702461U CN201921417072.0U CN201921417072U CN210702461U CN 210702461 U CN210702461 U CN 210702461U CN 201921417072 U CN201921417072 U CN 201921417072U CN 210702461 U CN210702461 U CN 210702461U
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- China
- Prior art keywords
- upper die
- spring
- die
- mounting hole
- ejector rod
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Abstract
The utility model relates to an upper die ejection device of a die-casting die, which comprises an upper die ejector rod fixing plate and an upper die push plate, wherein the upper die ejector rod fixing plate and the upper die push plate are arranged above an upper die, a cover plate is arranged above the upper die push plate, one side of the upper die ejector rod fixing plate is fixedly connected with a plurality of ejector rods, the ejector rods pass through the upper die and stretch into a die cavity of the die, a plurality of through upper spring mounting holes are arranged on the upper die push plate, and a plurality of lower spring mounting holes aligned with the upper spring mounting holes; the diameter of the upper spring mounting hole is larger than that of the lower spring mounting hole, a spring is arranged in the upper spring mounting hole, one end of the spring is in contact with the upper die ejector rod fixing plate, the other end of the spring is in contact with the cover plate, the spring is sleeved on a spring guide rod, and the spring guide rod penetrates through the upper spring mounting hole and the lower spring mounting hole; the upper die ejector rod fixing plate and the ejector rod have good reset power through the cooperation of the spring and the spring guide rod, and the ejector rod is guaranteed to stretch stably and not to be blocked.
Description
Technical Field
The utility model belongs to the technical field of the die casting die and specifically relates to a die casting die's last mould ejecting device.
Background
Die-casting product is after accomplishing processing, has the problem of gluing the mould easily after the die sinking, and the leading factor lies in: whether the metal melt in the mold is excessively filled or not; 2. whether the time for maintaining the die-casting pressure is too long or not; 3. the mold-out angle of the mold is insufficient. In addition, the die-casting die further comprises other external reasons, and how to ensure the technical problem to be solved in the die-casting die demoulding process when the product is quickly demoulded is the problem to be solved by the patent.
Disclosure of Invention
The utility model aims at solving the defect that prior art exists, a die casting die's last mould ejecting device is provided.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
an upper die ejection device of a die-casting die comprises an upper die ejector rod fixing plate and an upper die push plate which are arranged above an upper die, wherein a cover plate is arranged above the upper die push plate;
the upper die push plate is also provided with a plurality of upper guide pillar mounting holes, and the upper die ejector rod fixing plate is provided with a plurality of lower guide pillar mounting holes corresponding to the upper guide pillar mounting holes;
the diameter of the upper spring mounting hole is larger than that of the lower spring mounting hole, a spring is arranged in the upper spring mounting hole, one end of the spring is in contact with the upper die ejector rod fixing plate, the other end of the spring is in contact with the cover plate, the spring is sleeved on a spring guide rod, and the spring guide rod penetrates through the upper spring mounting hole and the lower spring mounting hole;
the upper die guide sleeve is fixedly arranged in the upper guide column mounting hole and the lower guide column mounting hole, the upper die guide column is arranged in the upper die guide sleeve in a penetrating mode, one ends of the upper die guide column and the spring guide rod are fixedly connected with the cover plate, and the upper die guide column and the spring guide rod are arranged on the upper die in a penetrating mode.
Furthermore, the surface of the upper die ejector rod fixing plate is provided with a positioning convex edge, the side surface of the upper die push plate is provided with a positioning groove corresponding to the positioning convex edge, after the positioning groove is matched with the positioning convex edge, the upper spring mounting hole and the lower spring mounting hole are concentric, and the upper guide pillar mounting hole and the lower guide pillar mounting hole are concentric.
Further, the upper die ejector rod fixing plate and the upper die push plate are fixedly connected through a stud bolt.
Furthermore, a plurality of springs on the upper die push plate are uniformly distributed.
The utility model has the advantages that: when the upper die ejection device is used, after the upper die is driven by the press to open the die, the upper die is contacted with the upper die ejector rod fixing plate and extrudes the upper die ejector rod fixing plate, at the moment, the spring on the upper die ejector rod fixing plate is compressed, the ejector rod on the upper die ejector rod fixing plate further moves towards the die cavity and ejects a product in the upper die cavity, so that the demolding effect is achieved, and the product is effectively prevented from being adhered to the upper die;
the device is characterized in that a plurality of upper spring mounting holes which penetrate through the upper die push plate are formed in the upper die push plate, and a plurality of lower spring mounting holes which are aligned with the upper spring mounting holes are formed in the upper die ejector rod fixing plate; the hole diameter of the upper spring mounting hole is larger than that of the lower spring mounting hole, a spring is arranged in the upper spring mounting hole, one end of the spring is in contact with the upper die ejector rod fixing plate, the other end of the spring is in contact with the cover plate, the spring is sleeved on the spring guide rod, the spring guide rod penetrates through the upper spring mounting hole and the lower spring mounting hole, the upper die ejector rod fixing plate and the ejector rod have good reset power through the cooperation of the spring and the spring guide rod, and the ejector rod is guaranteed to stretch stably and not to be clamped;
in addition, still be equipped with a plurality of upper guide pillar mounting holes on the last mould push pedal, be equipped with a plurality of lower guide pillar mounting holes that correspond with upper guide pillar mounting hole on the last mould ejector pin fixed plate, the fixed mould guide pin bushing of going up in upper guide pillar mounting hole and the lower guide pillar mounting hole, go up and wear to establish mould guide pillar in the mould guide pin bushing, go up mould guide pillar and the one end and the apron fixed connection of spring guide bar, go up mould guide pillar and spring guide bar and wear to establish on the mould, when going up the mould and moving, all play the guide effect to last mould ejector pin fixed plate and last mould through last mould guide pillar, guarantee to go up mould ejector pin fixed plate and last mould and all reciprocating motion on accurate straight.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is the connection cross-section schematic diagram of the upper die ejector rod fixing plate and the upper die push plate of the utility model.
Detailed Description
As shown in fig. 1 to 3, an upper die ejection device of a die casting die comprises an upper die ejector rod fixing plate 2 and an upper die push plate 3 which are arranged above an upper die 1, wherein a cover plate 4 is arranged above the upper die push plate 3, a plurality of ejector rods 5 are fixedly connected to one side of the upper die ejector rod fixing plate 2, the ejector rods 5 penetrate through the upper die 1 and extend into a cavity of the die, a plurality of upper spring mounting holes 6 which penetrate through the upper die push plate 3 are formed, and a plurality of lower spring mounting holes 7 which are aligned with the upper spring mounting holes 6 are formed in the upper die ejector rod fixing plate 2;
a plurality of upper guide pillar mounting holes 8 are also formed in the upper die push plate 3, and a plurality of lower guide pillar mounting holes 9 corresponding to the upper guide pillar mounting holes 8 are formed in the upper die ejector rod fixing plate 2;
the diameter of the upper spring mounting hole 6 is larger than that of the lower spring mounting hole 7, a spring 10 is arranged in the upper spring mounting hole 6, one end of the spring 10 is in contact with the upper die ejector rod fixing plate 2, the other end of the spring 10 is in contact with the cover plate 4, the spring 10 is sleeved on a spring guide rod 11, and the spring guide rod 11 penetrates through the upper spring mounting hole 6 and the lower spring mounting hole 7;
an upper die guide sleeve 12 is fixed in the upper guide post mounting hole 8 and the lower guide post mounting hole 9, an upper die guide post 13 penetrates through the upper die guide sleeve 12, one end of the upper die guide post 13 and one end of the spring guide rod 11 are fixedly connected with the cover plate 4, and the upper die guide post 13 and the spring guide rod 11 penetrate through the upper die 1.
Furthermore, the surface of the upper die ejector rod fixing plate 2 is provided with a positioning convex edge 14, the side surface of the upper die push plate 3 is provided with a positioning groove 15 corresponding to the positioning convex edge 14, and the positioning groove 15 and the positioning convex edge 14 mainly play a role of
Effect convenient to go up mould ejector pin fixed plate 2 and last mould push pedal 3 concatenation and align, if do not set up positioning groove 15 and the protruding stupefied 14 in location, go up spring mounting hole 6 and lower spring mounting hole 7, go up guide pillar mounting hole 8 and lower guide pillar mounting hole 9 and just have the problem of being difficult for aligning, the utility model discloses well positioning groove 15 with fix a position protruding stupefied 14 cooperation back, go up spring mounting hole 6 and lower spring mounting hole 7 concentricity, go up guide pillar mounting hole 8 and lower guide pillar mounting hole 9 concentricity. In addition, the upper die ejector rod fixing plate 2 and the upper die push plate 3 are fixedly connected through a stud bolt 16.
When the upper die ejection device is used, after the upper die 1 is driven by a press to open the die, the upper die 1 is contacted with the upper die ejector rod fixing plate 2 and extrudes the upper die ejector rod fixing plate 2, at the moment, a spring 10 on the upper die ejector rod fixing plate 2 is compressed, an ejector rod 5 on the upper die ejector rod fixing plate 2 further moves towards the die cavity and ejects a product in the upper die cavity, so that the demolding effect is achieved, and the product is effectively prevented from being adhered to the upper die;
the device is characterized in that a plurality of upper spring mounting holes 6 which penetrate through the upper die push plate 3 are formed in the upper die push plate, and a plurality of lower spring mounting holes 7 which are aligned with the upper spring mounting holes 6 are formed in the upper die ejector rod fixing plate 2; the aperture of the upper spring mounting hole 6 is larger than that of the lower spring mounting hole 7, the spring 10 is arranged in the upper spring mounting hole 6, one end of the spring 10 is in contact with the upper die ejector rod fixing plate 2, the other end of the spring 10 is in contact with the cover plate 4, the spring 10 is sleeved on the spring guide rod 11, the spring guide rod 11 penetrates through the upper spring mounting hole 6 and the lower spring mounting hole 7, the upper die ejector rod fixing plate 2 and the ejector rod 5 have good reset power through the matching of the spring 10 and the spring guide rod 11, and the ejector rod 5 is ensured to stretch stably and not be clamped;
in addition, still be equipped with a plurality of upper guide pillar mounting holes 8 on the push pedal 3 of upper die, be equipped with a plurality of lower guide pillar mounting holes 9 that correspond with upper guide pillar mounting hole 8 on the last mould ejector pin fixed plate 2, upper guide pillar mounting hole 8 and lower guide pillar mounting hole 9 internal fixation go up mould guide pin bushing 12, go up mould guide pillar 13 of wearing to establish in the mould guide pin bushing 12, go up the one end and the apron 4 fixed connection of mould guide pillar 13 and spring guide bar 11, go up mould guide pillar 13 and spring guide bar 11 and wear to establish on last mould 1, when going up mould 1 and moving, all play the guide effect to last mould ejector pin fixed plate 2 and last mould 1 through last mould guide pillar 13, guarantee that last mould ejector pin fixed plate 2 and last mould 1 all reciprocate on accurate straight line orbit, improve the ejecting and the precision that.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. An upper die ejection device of a die-casting die comprises an upper die ejector rod fixing plate and an upper die push plate which are arranged above an upper die, wherein a cover plate is arranged above the upper die push plate;
the upper die push plate is also provided with a plurality of upper guide pillar mounting holes, and the upper die ejector rod fixing plate is provided with a plurality of lower guide pillar mounting holes corresponding to the upper guide pillar mounting holes;
the diameter of the upper spring mounting hole is larger than that of the lower spring mounting hole, a spring is arranged in the upper spring mounting hole, one end of the spring is in contact with the upper die ejector rod fixing plate, the other end of the spring is in contact with the cover plate, the spring is sleeved on a spring guide rod, and the spring guide rod penetrates through the upper spring mounting hole and the lower spring mounting hole;
the upper die guide sleeve is fixedly arranged in the upper guide column mounting hole and the lower guide column mounting hole, the upper die guide column is arranged in the upper die guide sleeve in a penetrating mode, one ends of the upper die guide column and the spring guide rod are fixedly connected with the cover plate, and the upper die guide column and the spring guide rod are arranged on the upper die in a penetrating mode.
2. The upper die ejection device of the die-casting die as claimed in claim 1, wherein the surface of the upper die ejector rod fixing plate is provided with a positioning ridge, the side surface of the upper die push plate is provided with a positioning groove corresponding to the positioning ridge, after the positioning groove is matched with the positioning ridge, the upper spring mounting hole and the lower spring mounting hole are concentric, and the upper guide pillar mounting hole and the lower guide pillar mounting hole are concentric.
3. The upper die ejector device of a die casting die as claimed in claim 1 or 2, wherein the upper die ejector rod fixing plate and the upper die push plate are fixedly connected by a stud bolt.
4. The upper die ejection device for a die casting mold as claimed in claim 3, wherein the plurality of springs are uniformly arranged on the upper die push plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921417072.0U CN210702461U (en) | 2019-08-29 | 2019-08-29 | Upper die ejection device of die casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921417072.0U CN210702461U (en) | 2019-08-29 | 2019-08-29 | Upper die ejection device of die casting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210702461U true CN210702461U (en) | 2020-06-09 |
Family
ID=70941062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921417072.0U Expired - Fee Related CN210702461U (en) | 2019-08-29 | 2019-08-29 | Upper die ejection device of die casting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210702461U (en) |
-
2019
- 2019-08-29 CN CN201921417072.0U patent/CN210702461U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 Termination date: 20210829 |