CN218134746U - Combined type ejection structure of gear hot forging die - Google Patents
Combined type ejection structure of gear hot forging die Download PDFInfo
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- CN218134746U CN218134746U CN202221666993.2U CN202221666993U CN218134746U CN 218134746 U CN218134746 U CN 218134746U CN 202221666993 U CN202221666993 U CN 202221666993U CN 218134746 U CN218134746 U CN 218134746U
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Abstract
The utility model discloses a gear hot forging die combined ejection structure, including press workstation, press slider, upper die base and die holder, the top fixed connection of die holder and press workstation, the bottom fixed connection of upper die base and press slider, the top fixed connection of die holder has lower die sleeve, the lower die sleeve is inserted to slide and is equipped with the lower mold core, it is equipped with the press ejector pin to slide to insert in the press workstation, the top fixed connection of press ejector pin has ejection structure, the top of ejection structure runs through press workstation and die holder in proper order and extends to the interior of lower mold core; the bottom of the upper die base is fixedly connected with an upper die sleeve. The utility model discloses ejecting structure comprises top core, connecting rod and stop nut, and the screw thread through the connecting rod both ends is whole with top core and stop nut connection combination, and its advantage is in the top core that can replace wearing and tearing fast, but the connecting rod and the stop nut reuse at non-wearing and tearing position to save the system mould manufacturing cost.
Description
Technical Field
The utility model relates to a gear production technical field especially relates to a gear forge hot mould combination formula ejection structure.
Background
The hot forging die ejection structure is used for quickly separating a forging piece from a die cavity after hot forging, and prevents the die cavity of the forging die from softening and deforming due to the fact that the hot forging piece is in contact with the forging die for a long time. After the forged piece is ejected out, the forged piece is convenient to carry and transfer in a manual or mechanical mode.
The gear hot forging die ejection structure is divided into an integral type and a combined type. The integral ejection structure is generally a cylinder or is additionally provided with a limit boss on the basis, and the integral ejection structure has the advantages of simple structure and easy installation. In a hot forging die, the ejection structure is a vulnerable part, and the primary failure mode is surface wear deformation in contact with the forging.
Therefore, the integral type ejection structure has a disadvantage in that the whole needs to be replaced after being worn, increasing the manufacturing cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the whole structure needs to be replaced after the abrasion of the integral ejection structure in the prior art, thereby increasing the manufacturing cost and providing a combined ejection structure of a gear hot forging die.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a combined type ejection structure of a gear hot forging die comprises a press workbench, a press sliding block, an upper die holder and a lower die holder, wherein the lower die holder is fixedly connected with the top of the press workbench, the upper die holder is fixedly connected with the bottom of the press sliding block, the top of the lower die holder is fixedly connected with a lower die sleeve, a lower die core is inserted in the lower die sleeve in a sliding manner, a press ejector rod is inserted in the press workbench in a sliding manner, the top of the press ejector rod is fixedly connected with an ejection structure, and the top of the ejection structure sequentially penetrates through the press workbench and the lower die holder and extends into the lower die core; the bottom of the upper die base is fixedly connected with an upper die sleeve, and an upper die core corresponding to the lower die core is fixedly connected in the upper die sleeve.
Preferably, a lower die base plate is arranged between the lower die sleeve and the lower die base, and a through hole corresponding to the ejection structure is formed in the lower die base plate.
Preferably, the lower die base plate is fixedly connected with the lower die core through a plurality of fastening bolts.
Preferably, the ejection structure comprises a connecting rod and an ejection core, the bottom of the connecting rod is fixedly connected with the top of a press ejector rod through a limiting nut, and the ejection core is sleeved on the top of the connecting rod in a sliding manner.
Preferably, the upper die sleeve is fixedly connected with the upper die base through a plurality of fixing bolts.
Preferably, a plurality of fixing holes are correspondingly arranged on the lower die sleeve and the upper die sleeve.
Has the advantages that:
the utility model discloses well ejecting structure comprises ejector core, connecting rod and stop nut, and the screw thread through the connecting rod both ends is whole with ejector core and stop nut connection combination, and its advantage is in the ejector core that can replace wearing and tearing fast, but connecting rod and the stop nut reuse at non-wearing and tearing position to save the system mould manufacturing cost.
Drawings
Fig. 1 is a schematic structural view of a combined ejection structure of a gear hot forging die provided by the present invention;
fig. 2 is the structural schematic diagram of the ejection structure in the combined ejection structure of the gear hot forging die provided by the utility model.
In the figure: 1 press workbench, 2 press slide block, 3 upper die holder, 4 lower die holder, 5 lower die sleeve, 6 lower die core, 7 press ejector pin, 8 ejector structure, 801 connecting rod, 802 ejector core, 803 limit nut, 9 upper die sleeve, 10 lower die backing plate, 11 fastening bolt, 12 fixing bolt and 13 upper die core.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a combined type ejection structure of a gear hot forging die comprises a press workbench 1, a press sliding block 2, an upper die base 3 and a lower die base 4, wherein the lower die base 4 is fixedly connected with the top of the press workbench 1, the upper die base 3 is fixedly connected with the bottom of the press sliding block 2, and the top of the lower die base 4 is fixedly connected with a lower die sleeve 5;
in the embodiment, a lower die base plate 10 is arranged between a lower die sleeve 5 and a lower die base 4, a through hole corresponding to an ejection structure 8 is formed in the lower die base plate 10, a lower die core 6 is slidably inserted in the lower die sleeve 5, the lower die base plate 10 and the lower die core 6 are fixedly connected through a plurality of fastening bolts 11, the lower die base plate 10 and the lower die core 6 are conveniently and fixedly disassembled, and a press ejector rod 7 is slidably inserted in a press workbench 1;
in the embodiment, the top of the press ejector rod 7 is fixedly connected with the ejection structure 8, the ejection structure 8 comprises a connecting rod 801 and an ejector core 802, the bottom of the connecting rod 801 is fixedly connected with the top of the press ejector rod 7 through a limiting nut 803, and the ejector core 802 is slidably sleeved on the top of the connecting rod 801, so that the ejection structure 8 is convenient to disassemble;
in the embodiment, the top of the ejection structure 8 sequentially penetrates through the press workbench 1 and the lower die holder 4 and extends into the lower die core 6; the bottom of the upper die holder 3 is fixedly connected with an upper die sleeve 9, and the lower die sleeve 5 and the upper die sleeve 9 are provided with a plurality of correspondingly arranged fixing holes;
in this embodiment, an upper mold core 13 corresponding to the lower mold core 6 is fixedly connected to the inside of the upper mold sleeve 9, and the upper mold sleeve 9 and the upper mold base 3 are fixedly connected through a plurality of fixing bolts 12.
In the embodiment, the ejection structure consists of the ejection core, the connecting rod and the limiting nut, the ejection core and the limiting nut are connected and combined into a whole through the threads at the two ends of the connecting rod, and the ejection structure has the advantages that the abraded ejection core can be replaced quickly, the connecting rod and the limiting nut at the non-abraded part can be reused, and therefore the manufacturing cost of a mold is saved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a gear hot forging mould combination formula ejection structure, includes press workstation (1), press slider (2), upper die base (3) and die holder (4), its characterized in that: the die holder (4) is fixedly connected with the top of the press workbench (1), the upper die holder (3) is fixedly connected with the bottom of the press sliding block (2), the top of the lower die holder (4) is fixedly connected with a lower die sleeve (5), a lower die core (6) is inserted in the lower die sleeve (5) in a sliding manner, a press ejector rod (7) is inserted in the press workbench (1) in a sliding manner, the top of the press ejector rod (7) is fixedly connected with an ejection structure (8), and the top of the ejection structure (8) sequentially penetrates through the press workbench (1) and the lower die holder (4) and extends into the lower die core (6); the bottom of the upper die base (3) is fixedly connected with an upper die sleeve (9), and an upper die core (13) corresponding to the lower die core (6) is fixedly connected in the upper die sleeve (9).
2. A gear hot forging die combination type ejection structure according to claim 1, wherein: a lower die base plate (10) is arranged between the lower die sleeve (5) and the lower die base (4), and a through hole corresponding to the ejection structure (8) is formed in the lower die base plate (10).
3. The combined type ejection structure of the gear hot forging die as claimed in claim 2, wherein: the lower die base plate (10) is fixedly connected with the lower die core (6) through a plurality of fastening bolts (11).
4. A gear hot forging die combination type ejection structure according to claim 1, wherein: the ejection structure (8) comprises a connecting rod (801) and an ejection core (802), the bottom of the connecting rod (801) is fixedly connected with the top of the press ejector rod (7) through a limiting nut (803), and the ejection core (802) is sleeved on the top of the connecting rod (801) in a sliding mode.
5. A gear hot forging die combination type ejection structure according to claim 1, wherein: the upper die sleeve (9) is fixedly connected with the upper die base (3) through a plurality of fixing bolts (12).
6. A gear hot forging die combination type ejection structure according to claim 1, wherein: and a plurality of fixing holes which are correspondingly arranged are arranged on the lower die sleeve (5) and the upper die sleeve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221666993.2U CN218134746U (en) | 2022-06-29 | 2022-06-29 | Combined type ejection structure of gear hot forging die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221666993.2U CN218134746U (en) | 2022-06-29 | 2022-06-29 | Combined type ejection structure of gear hot forging die |
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| Publication Number | Publication Date |
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| CN218134746U true CN218134746U (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221666993.2U Active CN218134746U (en) | 2022-06-29 | 2022-06-29 | Combined type ejection structure of gear hot forging die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118720039A (en) * | 2024-08-30 | 2024-10-01 | 浙江杰德机械科技有限公司 | A gear steel for wind turbine |
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2022
- 2022-06-29 CN CN202221666993.2U patent/CN218134746U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118720039A (en) * | 2024-08-30 | 2024-10-01 | 浙江杰德机械科技有限公司 | A gear steel for wind turbine |
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