CN213469466U - One-out multi-die gear forging blank and forging die - Google Patents
One-out multi-die gear forging blank and forging die Download PDFInfo
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- CN213469466U CN213469466U CN202022096274.9U CN202022096274U CN213469466U CN 213469466 U CN213469466 U CN 213469466U CN 202022096274 U CN202022096274 U CN 202022096274U CN 213469466 U CN213469466 U CN 213469466U
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- forging
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- bottom wall
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- 238000005242 forging Methods 0.000 title claims abstract description 95
- 238000001125 extrusion Methods 0.000 claims abstract description 48
- 238000007599 discharging Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 210000001161 mammalian embryo Anatomy 0.000 abstract description 29
- 210000002257 embryonic structure Anatomy 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000013011 mating Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a go out multimode gear and forge embryo and forging mould, including forging the embryo body, forge embryo body hot forging extrusion and form the diapire, with the lateral wall that the diapire edge extends to extrusion opposite direction, with the lateral wall to the extension that the extrusion opposite direction extends and be located the well kenozooecium between diapire, lateral wall and the extension, the diapire is equipped with the ejection of compact through hole that runs through the diapire, and lateral wall one end surface is kept away from to the extension forms first rake to the slope of diapire direction. The utility model discloses a forge the extrusion forging embryo body hot forging, ejection of compact through hole are used for the extrusion forging embryo body part well kenozooecium the material extrude from ejection of compact through hole, and the material extrusion lateral wall of another part extends to the opposite direction that forges the embryo body to the extrusion and forms the extension, and the extension is kept away from the one end surface of lateral wall and is formed first rake to well kenozooecium direction downward sloping setting, and what make the lateral wall extend is longer, and a forging embryo body can cut more gear forging embryos, has improved work efficiency greatly.
Description
Technical Field
The utility model belongs to the technical field of gear machining, in particular to go out multimode gear and forge embryo and forge mould.
Background
In the existing die for forging the gear, only a single gear forging blank can be forged, and the gear forging blank is ground singly, so that the die is very troublesome, time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a multi-die gear forging blank and a forging die capable of solving the above problems.
A multi-die gear forging blank comprises a forging blank body, wherein the forging blank body is subjected to hot forging extrusion to form a bottom wall, a side wall extending from the edge of the bottom wall to the opposite extrusion direction, an extending part extending from the side wall to the opposite extrusion direction and a hollow part located among the bottom wall, the side wall and the extending part, the bottom wall is provided with a discharging through hole penetrating through the bottom wall, and one end surface, far away from the side wall, of the extending part inclines towards the bottom wall to form a first inclined part.
Further, the upper surface of the bottom wall and the inner surface of the side wall form a first chamfer.
Further, the first chamfer is a circular arc chamfer.
Furthermore, the lower surface of the bottom wall is sunken to form a groove, and the discharging through hole is positioned in the groove.
The forging die comprises an upper die and a lower die and is used for forging the multi-die gear forging blank.
Further, the upper die comprises an upper die holder and a cylindrical extrusion block arranged at one end of the upper die holder close to the lower die holder, and a second chamfer matched with the first chamfer is formed on the surface of one end, far away from the upper die holder, of the cylindrical extrusion block and the outer surface of the side wall of the cylindrical extrusion block; and the edge of one end of the upper die holder, which is in contact with the cylindrical extrusion block, inclines towards one end far away from the cylindrical extrusion block to form a second inclined part matched with the first inclined part.
Further, the lower die comprises a lower die base, a protruding portion and a discharging through hole, the protruding portion is arranged at one end of the lower die base and close to the groove matched with the protruding portion, the discharging through hole is located in the middle of the protruding portion and penetrates through the lower die base, and the discharging through hole corresponds to and is matched with the discharging through hole.
Furthermore, the outer surface of the side wall of the protruding part forms an angle of 135 degrees with the upper surface of the lower die base.
Compared with the prior art, the utility model provides a go out multimode gear forging embryo and forge the embryo body through hot forging extrusion, make the forging embryo body form the forging embryo that constitutes by diapire, lateral wall, extension and well kenozooecium, in the extrusion process, ejection of compact through hole is used for extruding the material of forging embryo body part well kenozooecium and extrudes from ejection of compact through hole, the material extrusion lateral wall of another part extends to the opposite direction of extrusion forging embryo body and forms the extension, it is equivalent to the lateral wall extension lengthens, the extension is kept away from the one end surface of lateral wall and is set up the first rake to well kenozooecium direction downward sloping, when the cooperation mould is pushing down and forging embryo body lateral wall, make the lateral wall extension longer, a forging embryo body can cut more gear forging embryo, greatly improve work efficiency, and reduce the emergence of the unsmooth, further improves the quality of the forging blank body, and ensures that the cut and forged gear has better quality.
Drawings
FIG. 1 is a sectional view of a multi-die gear forging blank according to the present invention.
Fig. 2 is a sectional view of a forging die provided by the present invention.
Detailed Description
Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
As shown in fig. 1 to fig. 2, it is a schematic structural diagram of a multi-die gear forging blank and a forging die provided by the present invention. A multi-die gear forging blank comprises a forging blank body 10, wherein the forging blank body 10 is subjected to hot forging extrusion to form a bottom wall 11, a side wall 12 extending from the edge of the bottom wall 11 to the extrusion opposite direction, an extending part 13 extending from the side wall 12 to the extrusion opposite direction and a hollow part 14 positioned among the bottom wall 11, the side wall 12 and the extending part 13, the bottom wall 11 is provided with a discharging through hole 111 penetrating through the bottom wall 11, and one end surface of the extending part 13, which is far away from the side wall 12, inclines towards the bottom wall 11 to form a first inclined part 131. The forging blank body 10 is a cylinder, the forging blank body 10 is heated through hot forging, the forging blank body 10 is extruded through a die, the forging blank body 10 is formed into a forging blank consisting of a bottom wall 11, a side wall 12, an extension part 13 and a hollow part 14, in the process of die extrusion, the discharge through hole 111 is used for extruding materials in the hollow part 14 of the forging blank body 10 to be extruded from the discharge through hole 111, the other part of the material extrusion side wall 12 extends in the opposite direction of the extrusion forging blank body 10 to form the extension part 13, the extension is equivalent to the extension of the side wall 12, and the forging blank body 10 can be cut into a plurality of gear forging blanks; set up the slope of one end surface of keeping away from lateral wall 12 with extension 13 and form first slope 131, cooperation mould when downwards extrusion forges embryo body 10 lateral wall 12, make the more longer that lateral wall 12 extends, one forges embryo body 10 and can cut more gear forging embryo, has improved work efficiency greatly to reduce the emergence of lateral wall 12 surface unevenness and rough condition, further improved the quality of forging embryo body 10, make the cutting out and forged gear quality better.
The upper surface of the bottom wall 11 and the inner surface of the side wall 12 form a first chamfer 112. The first chamfer 112 is a circular arc chamfer. During the extrusion with the mating die, the extruded portion moves toward one end of the side wall 12, so that the extended portion 13 of the side wall 12 is longer, and one forging blank body 10 can cut more gear forging blanks.
The lower surface of the bottom wall 11 is recessed to form a groove 113, and the discharging through hole 111 is located in the groove 113. In the process of matching with the die for extrusion, the forging blank body 10 is limited on the die, so that the movement of the forging blank body 10 in the extrusion process is reduced, and the quality of the forging blank body 10 is further improved; the mating mold excludes the portion of the material extruded into the hollow portion 14 from the discharge through hole 111.
A forging die is also provided, which comprises an upper die 20 and a lower die 30 and is used for forging the multi-die gear forging blank. The upper die 20 comprises an upper die holder 21 and a cylindrical extrusion block 22 arranged at one end of the upper die holder 21 close to the lower die holder 31, and a second chamfer 221 matched with the first chamfer 112 is formed between the surface of one end, far away from the upper die holder 21, of the cylindrical extrusion block 22 and the outer surface of the side wall of the cylindrical extrusion block 22; the edge of the end of the upper die holder 21, which is in contact with the cylindrical extrusion block 22, is inclined to the end away from the cylindrical extrusion block 22 to form a second inclined part 211 which is matched with the first inclined part 131. The second chamfer 221 of the cylindrical extrusion block 22 of the upper die holder 21 is an arc chamfer, which can meet the shape of the first chamfer 112 of the forging blank body 10; the second inclined portion 211 of the upper die holder 21 can match with the first inclined portion 131, so as to satisfy the direction and angle of inclination of the first inclined portion 131 of the forging blank body 10.
The lower die 30 comprises a lower die holder 31, a boss 32 arranged at one end of the lower die holder 31 close to the upper die holder 21 and matched with the groove 113, and a discharge through hole 33 positioned in the middle of the boss 32 and penetrating through the lower die holder 31, wherein the discharge through hole 33 corresponds to and is matched with the discharge through hole 111. The bulge 32 of the lower die holder 31 is matched with the groove 113 to limit the forging blank body 10, the discharge through hole 33 is used for the cylindrical extrusion block 22 of the upper die holder 21 to extrude the forging blank body 10 to extrude the material of the hollow part 14 of the forging blank body 10 into the discharge through hole 33 from the discharge through hole 111, and the material is extruded out of the lower die holder 31 from the discharge through hole 33 (the other part extrudes the side wall 12, so that the side wall 12 extends to form the extension part 13), the material extruded out of the discharge through hole 33 can be repeatedly used in processing, and the enterprise cost is reduced.
The outer surface of the side wall of the convex part 32 forms an angle of 135 degrees with the upper surface of the lower die holder 31. When the protruding part 32 is matched with the groove 113 to limit the forging blank body 10, the limiting strength is stronger, and the occurrence of movement of the forging blank body 10 in the extrusion process is reduced.
Compared with the prior art, the utility model provides a go out multimode gear forging embryo and extrude forging embryo body 10 through hot forging, make forging embryo body 10 form the forging embryo that constitutes by diapire 11, lateral wall 12, extension 13 and well kenozooecium 14, in the extrusion process, ejection of compact through hole 111 is used for extruding the material of forging embryo body 10 part well kenozooecium 14 and extrudes from ejection of compact through hole 111, another part material extrudees lateral wall 12 and extends to the opposite direction of extrusion forging embryo body 10 and form extension 13, it is long to be equivalent to the lateral wall 12 extends, the one end surface that extension 13 keeps away from lateral wall 12 sets up to the downward sloping of well kenozooecium 14 direction and forms first rake 131, cooperation mould is when downwards extrusion forging embryo body 10 lateral wall 12, make lateral wall 12 extend longer, a forging embryo body 10 can cut more gear forging embryos, greatly improved work efficiency, and the unevenness and roughness of the outer surface of the side wall 12 are reduced, the quality of the forging blank body 10 is further improved, and the quality of the gear which is cut and forged is better.
The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.
Claims (8)
1. A multi-die gear forging blank is characterized in that: the multi-die gear forging blank comprises a forging blank body, wherein the forging blank body is subjected to hot forging extrusion to form a bottom wall, a side wall extending from the edge of the bottom wall to the opposite extrusion direction, an extending part extending from the side wall to the opposite extrusion direction and a hollow part located among the bottom wall, the side wall and the extending part, the bottom wall is provided with a discharging through hole penetrating through the bottom wall, and one end surface, far away from the side wall, of the extending part inclines towards the bottom wall to form a first inclined part.
2. The multi-die gear forging blank of claim 1, wherein: the upper surface of the bottom wall and the inner surface of the side wall form a first chamfer.
3. The multi-die gear forging blank of claim 2, wherein: the first chamfer is a circular arc chamfer.
4. The multi-die gear forging blank of claim 1, wherein: the lower surface of the bottom wall is sunken to form a groove, and the discharging through hole is positioned in the groove.
5. A forging die is characterized in that: the forging die comprises an upper die and a lower die and is used for forging a multi-die gear forging blank as claimed in any one of claims 1 to 4.
6. The forging die of claim 5, wherein: the upper die comprises an upper die base and a cylindrical extrusion block arranged at one end of the upper die base close to the lower die, a first chamfer is formed on the upper surface of the bottom wall and the inner surface of the side wall, and a second chamfer matched with the first chamfer is formed on the surface of one end of the cylindrical extrusion block, far away from the upper die base, and the outer surface of the side wall of the cylindrical extrusion block; and the edge of one end of the upper die holder, which is in contact with the cylindrical extrusion block, inclines towards one end far away from the cylindrical extrusion block to form a second inclined part matched with the first inclined part.
7. The forging die of claim 6, wherein: the sunken recess that forms of lower surface of diapire, the bed die includes the die holder, locates the die holder is close to upper die base one end with recess matched with bellying and being located the bellying middle part just runs through the discharging hole of die holder, discharging hole with the discharging hole is corresponding and cooperatees.
8. The forging die of claim 7, wherein: the outer surface of the side wall of the protruding part and the upper surface of the lower die base form an angle of 135 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022096274.9U CN213469466U (en) | 2020-09-22 | 2020-09-22 | One-out multi-die gear forging blank and forging die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022096274.9U CN213469466U (en) | 2020-09-22 | 2020-09-22 | One-out multi-die gear forging blank and forging die |
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|---|---|
| CN213469466U true CN213469466U (en) | 2021-06-18 |
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| CN202022096274.9U Active CN213469466U (en) | 2020-09-22 | 2020-09-22 | One-out multi-die gear forging blank and forging die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116984480A (en) * | 2023-07-05 | 2023-11-03 | 深圳市长盈精密技术股份有限公司 | Cover plate forming method and battery top cover |
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2020
- 2020-09-22 CN CN202022096274.9U patent/CN213469466U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116984480A (en) * | 2023-07-05 | 2023-11-03 | 深圳市长盈精密技术股份有限公司 | Cover plate forming method and battery top cover |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A type of multi mold gear forging embryo and forging mold Effective date of registration: 20240103 Granted publication date: 20210618 Pledgee: China Postal Savings Bank Co.,Ltd. Jiashan County Branch Pledgor: SHODA MOTOR COMPONENTS INDUSTRY (ZHEJIANG) CO.,LTD. Registration number: Y2024330000008 |