CN214720259U - Thick spoke forges mould - Google Patents
Thick spoke forges mould Download PDFInfo
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- CN214720259U CN214720259U CN202120597465.5U CN202120597465U CN214720259U CN 214720259 U CN214720259 U CN 214720259U CN 202120597465 U CN202120597465 U CN 202120597465U CN 214720259 U CN214720259 U CN 214720259U
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- forging
- die
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- finish forging
- lightening hole
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Abstract
The utility model provides a thick spoke forges mould solves current thick spoke forging at follow-up essence when dashing the lightening hole, has the problem that the drift is longlived lowly and the die holder that punches a hole is yielding easily. The thick spoke forging die comprises an upper transition die holder, a lower transition die holder, a finish forging upper die and a finish forging lower die, wherein the finish forging upper die is arranged on the upper transition die holder, the finish forging lower die is arranged on the lower transition die holder, the finish forging upper die comprises a finish forging upper die body, a first annular forging and punching table and a first central hole forging and punching table, and a plurality of first lightening hole bosses are arranged on the end face of the first annular forging and punching table; the finish forging lower die comprises a finish forging lower die body, a second annular forging and stamping platform and a second central hole forging and stamping platform, and a plurality of second lightening hole bosses are arranged on the end face of the second annular forging and stamping platform; the first central hole forging and stamping platform is matched with the second central hole forging and stamping platform to forge the central hole; the first lightening hole boss and the second lightening hole boss are matched to forge the lightening holes, and grooves are formed in two sides of each forged lightening hole.
Description
Technical Field
The utility model relates to a forge the mould, concretely relates to thick spoke forges mould.
Background
With the continuous development of forging technology, the production mode of high precision, low cost and high efficiency of forgings becomes the target and power of the forging technology. In forging of gear forgings, fine punching of lightening holes is an important part. As shown in fig. 1, for a forging with thick spokes, the following problems exist in the subsequent fine punching of lightening holes: 1) the diameter of a punch for fine punching of the lightening hole is small, and the thickness of the spoke is thick, so that the punch is easy to wear and break, and the service life of the punch is short; 2) when the lightening holes are subsequently subjected to fine punching, the punching and withdrawing force is large, the punching die holder is easy to deform or pull open when the part is withdrawn, and batch production is not easy to realize.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving current thick spoke forging when follow-up essence dashes the lightening hole, there is the problem that the drift is longlived and the die holder that punches a hole is yielding, provides a thick spoke forging die.
For realizing the purpose of the above utility model, the technical scheme of the utility model is that:
a thick spoke forging die comprises an upper transition die holder, a lower transition die holder, a finish forging upper die and a finish forging lower die, wherein the finish forging upper die is arranged on the upper transition die holder, the finish forging lower die is arranged on the lower transition die holder, the finish forging upper die and the finish forging lower die are matched to realize hot forming of a thick spoke forging, the finish forging upper die comprises a finish forging upper die body, a first annular forging stamping table and a first central hole forging stamping table, the first annular forging stamping table and the first central hole forging stamping table are arranged on the finish forging upper die body, and a plurality of first lightening hole bosses are arranged on the end face of the first annular forging stamping table; the finish forging lower die comprises a finish forging lower die body, and a second annular forging and stamping platform and a second central hole forging and stamping platform which are arranged on the finish forging lower die body, wherein a plurality of second lightening hole bosses are arranged on the end surface of the second annular forging and stamping platform; the thick spoke forging is arranged between the finish forging upper die and the finish forging lower die, and the first center hole forging platform and the second center hole forging platform are matched to forge a center hole; the first lightening hole boss and the second lightening hole boss are matched to forge the lightening holes, and grooves are formed in two sides of each forged lightening hole.
The finish forging die further comprises a finish forging die pressing ring which is sleeved on the outer side of the finish forging die and fixedly arranged on the upper transition die holder, an outer conical surface is arranged on the outer peripheral surface of the finish forging die, an inner conical surface is arranged on the inner side surface of the finish forging die pressing ring, and the finish forging die pressing ring are connected through the matching of the outer conical surface and the inner conical surface.
Furthermore, the upper transition die holder and the finish forging upper die are positioned through an upper positioning pin.
And the finish forging lower die is connected with the finish forging lower die fixing ring through spigot matching.
Furthermore, the outer sides of the finish forging upper die and the finish forging lower die are also sleeved with finish forging lower die embedding rings, and the finish forging lower die embedding rings are arranged on the finish forging lower die fixing ring through finish forging lower die pressing rings to realize the coaxiality of the center lines of the finish forging upper die and the finish forging lower die.
Furthermore, the lower transition die holder and the finish forging lower die are positioned through a lower positioning pin.
Further, the first central hole forging and stamping platform and the second central hole forging and stamping platform are both conical bosses, so that smooth drawing is facilitated.
Further, the axial cross sections of the first annular forging and stamping platform and the second annular forging and stamping platform are both conical table surfaces, so that smooth drawing is facilitated.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses mould and the lower mould of forging finally of thick spoke forging die have increased first lightening hole boss and second lightening hole boss forging thick spoke lightening hole department for the lightening hole department after forging links the skin attenuate, when follow-up essence dashes the lightening hole, has avoided easy wearing and tearing of drift, cracked problem, makes drift life increase.
2. The utility model discloses mould and the lower mould of forging finally of thick spoke forging die have increased first lightening hole boss and second lightening hole boss forging thick spoke lightening hole department for the continuous skin attenuate of lightening hole department after forging, thereby reduced the blanking and moved back a power, prevent that the die holder that punches a hole warp or pull open.
Drawings
FIG. 1 is a cross-sectional view of a thick spoke forging after being hot formed by a prior art forging die;
fig. 2 is a schematic structural view of a thick spoke forging die of the present invention;
fig. 3 is a schematic structural view of the finish forging upper die of the present invention;
FIG. 4 is a schematic structural view of the final forging lower die of the present invention;
fig. 5 is a schematic structural view of a thick spoke forged piece after the thick spoke forging die is subjected to thermal forming;
fig. 6 is the utility model discloses thick spoke forging profile after thick spoke forges mould thermoforming.
Reference numerals: 1-upper transition die holder, 2-lower transition die holder, 3-finish forging upper die, 4-finish forging lower die, 5-thick spoke forging, 6-finish forging upper die pressing ring, 7-upper positioning pin, 8-finish forging lower die fixing ring, 9-finish forging lower die embedding ring, 10-finish forging lower die pressing ring, 11-lower positioning pin, 31-finish forging upper die body, 32-first annular forging stamping table, 33-first central hole forging stamping table, 34-first lightening hole boss, 41-finish forging lower die body, 42-second annular forging stamping table, 43-second central hole forging stamping table, 44-second lightening hole boss, 51-central hole and 52-lightening hole.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
The utility model provides a thick spoke forges mould, to thick spoke class forging, the mould is forged in the end of this thick spoke forges mould and end forges the lower mould and has increased first lightening hole boss and second lightening hole boss forging thick spoke lightening hole department for the continuous skin attenuate of lightening hole department after forging thermoforming makes drift life increase when follow-up essence dashes the lightening hole, and simultaneously, first lightening hole boss and second lightening hole boss have also reduced blanking and have moved back a power, prevent to punch a hole the die holder and warp or pull open.
As shown in fig. 2 to 6, the thick spoke forging die provided by the invention comprises an upper transition die holder 1, a lower transition die holder 2, a finish forging upper die 3 and a finish forging lower die 4, wherein the finish forging upper die 3 is arranged on the upper transition die holder 1, the finish forging lower die 4 is arranged on the lower transition die holder 2, the finish forging upper die 3 and the finish forging lower die 4 are matched to realize hot forming of a thick spoke forging piece 5, the finish forging upper die 3 comprises a finish forging upper die body 31, and a first annular forging stamping platform 32 and a first central hole forging stamping platform 33 which are arranged on the finish forging upper die body 31, and a plurality of first lightening hole bosses 34 are arranged on the end surface of the first annular forging stamping platform 32; the finish forging lower die 4 comprises a finish forging lower die body 41, and a second annular forging platform 42 and a second central hole forging platform 43 which are arranged on the finish forging lower die body 41, wherein a plurality of second lightening hole bosses 44 are arranged on the end surface of the second annular forging platform 42; the thick spoke forged piece 5 is arranged between the finish forging upper die 3 and the finish forging lower die 4, and the first central hole forging platform 33 and the second central hole forging platform 43 are matched to forge a central hole 51; the first lightening hole bosses 34 and the second lightening hole bosses 44 are matched to forge the lightening holes 52, and grooves are formed in two sides of the forged lightening holes 52.
In order to enable the finish forging upper die 3 to be installed and positioned better, the thick spoke forging die further comprises a finish forging upper die pressing ring 6 which is sleeved on the outer side of the finish forging upper die 3 and fixedly arranged on the upper transition die holder 1, meanwhile, an outer conical surface is arranged on the outer peripheral surface of the finish forging upper die 3, an inner conical surface is arranged on the inner side surface of the finish forging upper die pressing ring 6, and the finish forging upper die 3 and the finish forging upper die pressing ring 6 are connected through the matching of the outer conical surface and the inner conical surface. In addition, the upper transition die holder 1 and the finish forging upper die 3 are positioned by an upper positioning pin 7.
In order to enable the finish forging lower die 4 to be installed and positioned better, the thick spoke forging die further comprises a finish forging lower die fixing ring 8 which is sleeved on the outer side of the finish forging lower die 4 and is fixedly arranged on the lower transition die base 2, and the finish forging lower die 4 and the finish forging lower die fixing ring 8 are connected through seam allowance matching. Meanwhile, a finish forging lower die insert ring 9 is sleeved on the outer sides of the finish forging upper die 3 and the finish forging lower die 4, and the finish forging lower die insert ring 9 is arranged on the finish forging lower die fixing ring 8 through a finish forging lower die pressing ring 10, so that the center lines of the finish forging upper die 3 and the finish forging lower die 4 are coaxial. In addition, the lower transition die holder 2 and the finish forging lower die 4 are positioned by an upper positioning pin 7.
The utility model discloses in the thick spoke forges the mould, forge first centre bore and forge towards platform 33 and second centre bore and forge towards platform 43 and all set up to the toper boss to in smooth drawing die, meanwhile, forge towards platform 32 and the annular axial cross section that forges towards platform 42 of second with first annular and set up to the toper mesa, in order to smooth drawing die.
The utility model discloses during thick spoke forges mould thermoforming, increase the boss in the spoke lightening hole 52 department of forging mould 3 and 4 down mould of forging eventually, guarantee through the locating pin that mould, forging eventually down the mould boss adjust well for the lightening hole 52 department after forging links the skin attenuate, thereby has reduced the blanking power of follow-up die that punches a hole, and then has improved the life-span of the die that punches a hole.
The utility model discloses during thick spoke forges mould thermoforming, increase the boss in the spoke lightening hole 52 department of forging mould 3 and forging lower mould 4 finally for the lightening hole 52 department after forging links the skin attenuate, thereby has reduced the blanking and has moved back a power, prevents to punch a hole the die deformation or pull open.
Claims (8)
1. The utility model provides a thick spoke forges mould, includes upper transition die holder (1), lower transition die holder (2), finish forges last mould (3) and finish forges lower mould (4), finish forges last mould (3) and sets up on upper transition die holder (1), finish forges lower mould (4) and sets up on lower transition die holder (2), the hot forming of thick spoke forging (5) is realized in the cooperation of finish forging last mould (3), finish forging lower mould (4), its characterized in that:
the finish forging upper die (3) comprises a finish forging upper die body (31), and a first annular forging and punching table (32) and a first central hole forging and punching table (33) which are arranged on the finish forging upper die body (31), wherein a plurality of first lightening hole bosses (34) are arranged on the end surface of the first annular forging and punching table (32);
the finish forging lower die (4) comprises a finish forging lower die body (41), and a second annular forging and stamping platform (42) and a second central hole forging and stamping platform (43) which are arranged on the finish forging lower die body (41), wherein a plurality of second lightening hole bosses (44) are arranged on the end surface of the second annular forging and stamping platform (42);
the thick spoke forging (5) is arranged between the finish forging upper die (3) and the finish forging lower die (4), and the first central hole forging platform (33) and the second central hole forging platform (43) are matched to forge a central hole (51); the first lightening hole boss (34) and the second lightening hole boss (44) are matched to forge the lightening hole (52), and grooves are formed in two sides of the forged lightening hole (52).
2. The thick spoke forging die of claim 1, wherein: the finish forging die is characterized by further comprising a finish forging die pressing ring (6) which is sleeved on the outer side of the finish forging die (3) and fixedly arranged on the upper transition die holder (1), an outer conical surface is arranged on the outer peripheral surface of the finish forging die (3), an inner conical surface is arranged on the inner side surface of the finish forging die pressing ring (6), and the finish forging die (3) and the finish forging die pressing ring (6) are connected through the matching of the outer conical surface and the inner conical surface.
3. The thick spoke forging die of claim 2, wherein: the upper transition die holder (1) and the finish forging upper die (3) are positioned through an upper positioning pin (7).
4. A thick spoke forging die set forth in claim 1, 2 or 3, wherein: the finish forging die is characterized by further comprising a finish forging die fixing ring (8) which is sleeved on the outer side of the finish forging die (4) and fixedly arranged on the lower transition die holder (2), and the finish forging die (4) and the finish forging die fixing ring (8) are connected through seam allowance matching.
5. The thick spoke forging die of claim 4, wherein: the finish forging die is characterized in that finish forging lower die insert rings (9) are further sleeved on the outer sides of the finish forging upper die (3) and the finish forging lower die (4), the finish forging lower die insert rings (9) are arranged on a finish forging lower die fixing ring (8) through finish forging lower die pressing rings (10), and the center lines of the finish forging upper die (3) and the finish forging lower die (4) are coaxial.
6. The thick spoke forging die of claim 5, wherein: the lower transition die holder (2) and the finish forging lower die (4) are positioned through a lower positioning pin (11).
7. The thick spoke forging die of claim 6, wherein: the first central hole forging and stamping platform (33) and the second central hole forging and stamping platform (43) are both conical bosses, so that smooth drawing is facilitated.
8. The thick spoke forging die of claim 7, wherein: the axial sections of the first annular forging and stamping platform (32) and the second annular forging and stamping platform (42) are both conical table surfaces, so that smooth drawing is facilitated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120597465.5U CN214720259U (en) | 2021-03-24 | 2021-03-24 | Thick spoke forges mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120597465.5U CN214720259U (en) | 2021-03-24 | 2021-03-24 | Thick spoke forges mould |
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| Publication Number | Publication Date |
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| CN214720259U true CN214720259U (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120597465.5U Active CN214720259U (en) | 2021-03-24 | 2021-03-24 | Thick spoke forges mould |
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| CN (1) | CN214720259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653887A (en) * | 2022-03-22 | 2022-06-24 | 苏州宝业锻造有限公司 | Forging method of wind power high-speed gear |
-
2021
- 2021-03-24 CN CN202120597465.5U patent/CN214720259U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653887A (en) * | 2022-03-22 | 2022-06-24 | 苏州宝业锻造有限公司 | Forging method of wind power high-speed gear |
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