CN106141059A - A kind of driving wheel forging and stamping processing mold and forming method thereof - Google Patents
A kind of driving wheel forging and stamping processing mold and forming method thereof Download PDFInfo
- Publication number
- CN106141059A CN106141059A CN201610609919.XA CN201610609919A CN106141059A CN 106141059 A CN106141059 A CN 106141059A CN 201610609919 A CN201610609919 A CN 201610609919A CN 106141059 A CN106141059 A CN 106141059A
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- China
- Prior art keywords
- driving wheel
- mold
- die
- cope match
- plate pattern
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K7/00—Making railway appurtenances; Making vehicle parts
- B21K7/12—Making railway appurtenances; Making vehicle parts parts for locomotives or vehicles, e.g. frames, underframes
Abstract
The invention discloses a kind of driving wheel forging and stamping processing mold, including cope match-plate pattern and lower bolster, after cope match-plate pattern and lower bolster matched moulds, middle part is provided with die cavity, cope match-plate pattern, the center of lower bolster is respectively arranged with and moves up and down upper punch, low punch, the bottom of upper punch is stepped, gap is there is between upper end and the lower bolster of low punch, the side of die cavity is provided with multiple re-entrant mold moved radially along die cavity, the end of re-entrant mold is positioned at die cavity, multiple re-entrant molds are arranged around die cavity periphery, cope match-plate pattern, lower bolster, upper punch, low punch, re-entrant mold constitutes the die cavity adapted with driving wheel structure.Stock disposably can be forged into driving wheel by the present invention.It is compared to original technique, present invention eliminates a lot of complicated technique, improve work efficiency, reduce production cost, and be able to ensure that the precision of product.
Description
Technical field
The present invention relates to the processing mold of a kind of auto parts and components, especially relate to a kind of driving wheel forging and stamping processing mold and
Its forming method.
Background technology
Belt with pre-load device is also referred to as preshrunk formula seat belt.The feature of this seat belt is when collision scenario accident
Moment, when occupant not yet moves forward, first it can strain ribbon, occupant is tied up tightly on the seat immediately, and then locking is knitted
Band prevents occupant from leaning forward, and effectively protects the safety of occupant.The coiler played a major role in belt with pre-load device is with common
Seat belt is different, in addition to the folding and unfolding ribbon function of common coiler, also has when speed occurs drastically to change, it is possible to
Within about 0.1 second, strengthening the restraining forces to occupant, this is accomplished by pretensioner and tightens up seat belt in advance.Driving wheel is pretensioner
The critical component of the inside.The driving force that it can produce pyrotechnics blast is converted into the rotatory force of retractable safety belt, reaches peace
Full band pre-tightening effect.
As shown in Figure 1: existing driving wheel includes that upper half wheel 10 and lower half take turns 11, upper half wheel is provided centrally with circular hole and outer
Side face is covered with arc groove, and the superstructure of lower half wheel 11 is symmetrical with upper half wheel 10, and the bottom of lower half wheel 10 is additionally provided with card wheel
12, the hemispherical groove 13 that upper half wheel 10 disposes for steel ball with lower half wheel 11 composition.Produce now the making work of these driving wheels
Skill is complicated, plant equipment manufacture upper half wheel respectively and take turns with lower half, then be welded with lower half wheel by upper half wheel.Because upper half is taken turns
With the symmetry requirement on lower half wheel top high, cause fraction defective high, there will be steel ball in using stuck or by having some setbacks
Situation, greatly reduces the changing effect of driving force, and the pretension time making seat belt is elongated, thus reduces pretension function.
Summary of the invention
The technical problem to be solved is to provide a kind of driving wheel forging and stamping processing mold and forming method thereof, it is achieved
Driving wheel one-body molded, simplifies procedure of processing, reduces processing composition.
The present invention solves the technical scheme that above-mentioned technical problem used: a kind of driving wheel forging and stamping processing mold, including
Cope match-plate pattern and lower bolster, after described cope match-plate pattern and lower bolster matched moulds, middle part is provided with die cavity, described cope match-plate pattern, lower bolster
Center is respectively arranged with and moves up and down upper punch, low punch, and the bottom of described upper punch is stepped, described low punch
Upper end and lower bolster between there is gap, the side of described die cavity is provided with multiple recessed along the side that die cavity moves radially
Mould, the end of re-entrant mold is positioned at die cavity, and multiple re-entrant molds are arranged around die cavity periphery, described cope match-plate pattern, lower bolster, upper punch
Head, low punch, re-entrant mold constitute the die cavity adapted with driving wheel structure.
Described cope match-plate pattern includes the first core rod, die sleeve and the first outer die casing in first, and the first described core rod is pipe
Shape structure, described upper punch is positioned at the first core rod, and the external diameter of upper punch is equal to the internal diameter of the first core rod, described upper punch
Being provided with columned first projection bottom Tou, the external diameter of the first described projection is equal to the internal diameter of driving wheel.First core rod,
Die sleeve in one, upper punch together form the structure die cavity of driving wheel top half.
Described lower bolster includes the second core rod, die sleeve and the second outer die casing in second, and the second described core rod is pipe
Shape structure, described low punch is cylindrical-shaped structure and outer surface is axially arranged a plurality of fin, the appearance of described low punch
Face structure is identical with the card wheel outer surface structure on driving wheel, the inwall of the second described core rod and the outer surface structure of low punch
Adapting, described low punch can axially move in the second core rod, the second described core rod and low punch seamless connection, institute
The top of the low punch stated is provided with columned second projection, and the diameter of the second described projection is equal to the internal diameter of driving wheel.
Second core rod, die sleeve in second, low punch together form the structure die cavity of driving wheel the latter half.
There is spacing between the first described core rod and the second core rod, described spacing is equal to the height of driving wheel foreign steamer,
It is enclosed within outside die sleeve outside the first core rod in described first, in being enclosed within first outside the first outer die casing outside die sleeve, mould in described second
Set is outer to be enclosed within outside the second core rod, in being enclosed within second outside the second outer die casing outside die sleeve, and die sleeve in die sleeve and second in described first
Between gapless laminating, described re-entrant mold is by die sleeve in first, pass on the inwall of die sleeve in second.
Described re-entrant mold includes the hemisphere of end, the column of afterbody and connects the round platform of hemisphere and column
Part, described column is horizontal and end is connected with the bottom surface of round platform part, the upper bottom surface rank of described hemisphere and round platform part
Connecing, hemispheroidal diameter is less than bottom surface diameter equal to the upper bottom surface diameter of round platform part, the upper bottom surface diameter of described round platform part.
Said structure arranges and hemisphere on re-entrant mold can be moved at the channel position adapted with round platform part structure, and side is recessed
Round platform part on mould can move at the channel position adapted with column structure.And the position that re-entrant mold moves towards die cavity
Put limited.
The a plurality of passage moved radially for re-entrant mold it is provided with, peace in a passage between described cope match-plate pattern and lower bolster
Equipped with a re-entrant mold.The corresponding re-entrant mold of a hemispherical groove on driving wheel, a re-entrant mold can be on stock
Form a hemispherical groove.
The middle part constituting passage in described first in die sleeve and second between die sleeve is fitted mutually with round platform part, column structure
Should, die sleeve in described first, the opening on the sidewall of die sleeve is intended for hemisphere and passes in second, the afterbody of described column
Being provided with inclination cambered surface, the bottom surface of the first described outer die casing is provided with and tilts the taper seat that cambered surface adapts.Outside first
The structure of die sleeve adapts with column tail structure, and the first outer die casing moves downward to exert a force and tilting in cambered surface, drives
Re-entrant mold moves.
The lower end of described re-entrant mold is provided with boss, is provided with in described boss and second between the lateral surface of die sleeve
Spring, when die sleeve in the end of re-entrant mold passes first, die sleeve in second, spring is in compressive state.The effect of spring is just
It is: move up at the first outer die casing that, after leaving re-entrant mold, re-entrant mold is outwards pushed open by spring force so that re-entrant mold recovers
To initial position.
In described first, die sleeve is provided above for adjusting the adjustment block with lower bolster gap.In cope match-plate pattern and lower mold
During plate matched moulds, re-entrant mold gap in Upper Die-sleeve, lower die-sleeve can be adjusted.
A kind of driving wheel forming method, the steps include:
(1) take cylinder stock and carry out bottom forging and stamping in advance so that its bottom forms card wheel construction.
(2), in upper punch is retracted into cope match-plate pattern, cope match-plate pattern separates with lower bolster and is exposed by die cavity, and now re-entrant mold is at spring
Exit from die cavity under effect.
(3) upright in the die cavity in lower bolster putting in step (1) stock after pretreatment, the diameter of stock is less than die cavity
Diameter.
(4) press drives cope match-plate pattern to move down, and the taper seat of the first outer die casing takes the lead in and the inclination cambered surface on re-entrant mold
Contact, cope match-plate pattern continues to move down, and first outer die casing inclination cambered surface force on re-entrant mold promotes re-entrant mold to move to die cavity
Dynamic.
(5) cope match-plate pattern is driven cope match-plate pattern and lower bolster matched moulds and holding matched moulds state by inaccessible power, now on re-entrant mold
Half ball element be positioned at the precalculated position of die cavity.
(6) press drives upper punch to press under continuing, and the upper surface of stock and lower surface start crimp, the upper end of stock
Face produces cylindrical grooves under the first convex role.
(7) press drives upper punch persistently to press to lowermost end, and stock prolongs in the die cavity in the middle part of cope match-plate pattern, lower bolster
Exhibition, the periphery of stock is formed hemispherical groove by the extruding of re-entrant mold, and stock will continue to surrounding extension molding.
(8) press controls upper punch rising, and the inaccessible power that cope match-plate pattern is subject to is decreased to zero and is risen by press drive, and side is recessed
Mould inclination cambered surface lose thrust and return to initial position under the action of the spring, complete out between cope match-plate pattern and lower bolster
Mould.
(9) press drives low punch rising to be ejected in lower bolster die cavity by molding driving wheel, completes the demoulding.
(10) it is punched out obtaining through hole to the cylindrical grooves on the molding driving wheel in step (9), completes driving wheel
Production and processing.
During closed die forming, need to cope match-plate pattern all the time, lower bolster provides sufficiently large power makes it close, we term it
Inaccessible power.Under this occasion, inaccessible power must be more than forging force, and the most upper and lower die can not keep closing, and forging can produce and fly
Limit, makes cope match-plate pattern, lower bolster thoroughly separate, thoroughly destroys closed die forming condition, cause block forging procedure failure time serious.
In the present invention, need also exist for cope match-plate pattern, lower bolster are applied inaccessible power so that it is matched moulds also remains closed in forging process.
Simple dependence press cannot realize, and therefore connects a force application part on cope match-plate pattern or lower bolster and applies inaccessible power, than
Such as spring.
Compared with prior art, it is an advantage of the current invention that to form one by cope match-plate pattern, lower bolster and drive rolling hitch
The die cavity that structure adapts.While upper punch plays punching press effect, for forming the cylindrical grooves in the middle part of driving wheel.Low punch
Upper punch is coordinated to use.Gap between low punch and lower bolster is for forming the card wheel bottom driving wheel.Re-entrant mold is then to use
In the hemispherical groove forming driving wheel outer peripheral face.Stock disposably can be forged into driving wheel by the present invention.It is compared to former
Some technique, present invention eliminates a lot of complicated technique, improves work efficiency, reduces production cost, and can be true
Protect the precision of product.
Accompanying drawing explanation
Fig. 1 is existing driving wheel structure schematic diagram；
Fig. 2 is internal structure schematic diagram of the present invention；
Fig. 3 is the structural representation under die opening state of the present invention；
Fig. 4 is the structural representation under matched moulds state of the present invention；
Fig. 5 is the structural representation of stock；
Fig. 6 is the structural representation after stock initial processing；
Fig. 7 is the structural representation after stock molding.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Figures 2 to 4: a kind of driving wheel forging and stamping processing mold, including cope match-plate pattern 1 and lower bolster 2, cope match-plate pattern 1 with
After the 2-in-1 mould of lower bolster middle part be provided with die cavity 3, cope match-plate pattern 1, the center of lower bolster 2 be respectively arranged with move up and down upper punch 4,
Low punch 5, the bottom of upper punch 4 is stepped, there is gap between upper end and the lower bolster 2 of low punch 5, die cavity 3
Side is provided with multiple re-entrant mold 6 moved radially along die cavity 3, and the end of re-entrant mold 6 is positioned at die cavity 3, multiple re-entrant molds 6
Arranging around die cavity 3 periphery, cope match-plate pattern 1, lower bolster 2, upper punch 4, low punch 5, re-entrant mold 6 are constituted fits mutually with driving wheel structure
The die cavity 3 answered.
Cope match-plate pattern 1 includes die sleeve 22 and the first outer die casing 23 in the first core rod 21, first, and the first core rod 21 is tied for circular tube shaped
Structure, upper punch 4 is positioned at the first core rod 21, and the external diameter of upper punch 4 is equal to the internal diameter of the first core rod 21, sets bottom upper punch 4
Being equipped with columned first projection 24, the external diameter of the first projection 24 is equal to the internal diameter of driving wheel.
Lower bolster 2 includes die sleeve 32 and the second outer die casing 33 in the second core rod 31, second, and the second core rod 31 is tied for circular tube shaped
Structure, low punch 5 is for cylindrical-shaped structure and outer surface is axially arranged a plurality of fin 35, the outer surface structure of low punch 5 and driving
It is identical that 12 outer surface structures taken turns by card on wheel, and the inwall of the second core rod 31 adapts with the outer surface structure of low punch 5, low punch
5 can axially move in the second core rod 31, and the second core rod 31 and low punch 5 seamless connection, the top of low punch 5 is provided with circle
Second projection 34 of column, the diameter of the second projection 34 is equal to the internal diameter of driving wheel.
There is spacing between first core rod 21 and the second core rod 31, spacing is equal to the height of driving wheel foreign steamer, mould in first
It is enclosed within outside the first core rod 21 outside set 22, in being enclosed within first outside the first outer die casing 23 outside die sleeve 22, in second, outside die sleeve 32, is enclosed within the
Outside two core rods 31, in being enclosed within second outside the second outer die casing 33 outside die sleeve 32, nothing between die sleeve 32 in die sleeve 22 and second in first
Fitting in gap, re-entrant mold 6 is passed on the inwall of die sleeve 32 by die sleeve 22, second in first.
Re-entrant mold 6 includes the hemisphere 51 of end, the column 53 of afterbody and connects hemisphere 51 and column 53
Round platform part 54, column 53 is horizontal and end is connected with the bottom surface of round platform part 54, hemisphere 51 and the upper bottom surface of round platform part 54
Linking, the diameter of hemisphere 51 is equal to the upper bottom surface diameter of round platform part 54, and the upper bottom surface diameter of round platform part 54 is straight less than bottom surface
Footpath.
It is provided with a plurality of passage moved radially for re-entrant mold 6 between cope match-plate pattern 1 and lower bolster 2, installs in a passage
There is a re-entrant mold 6.
Middle part and round platform part 54, the column 53 structure phase of passage is constituted in die sleeve 22 and second between die sleeve 32 in first
Adapting to, in first, in die sleeve 22, second, the opening on the sidewall of die sleeve 32 is intended for hemisphere 51 and passes, and the afterbody of column 53 sets
Being equipped with inclination cambered surface 71, the bottom surface of the first outer die casing 23 is provided with and tilts the taper seat 72 that cambered surface 71 adapts.
The lower end of re-entrant mold 6 is provided with boss 82, is provided with spring in boss 82 and second between the lateral surface of die sleeve 32
81, when die sleeve in die sleeve 22, second in the end of re-entrant mold 6 passes first, spring 81 is in compressive state.Die sleeve in first
22 are provided above for adjusting the adjustment block 91 with lower bolster 2 gap.
As shown in Figures 5 to 7: a kind of driving wheel forming method, the steps include:
(1) take cylinder stock 100 and carry out bottom forging and stamping in advance so that its bottom forms card wheel 12 structures.
(2), in upper punch 4 is retracted into cope match-plate pattern 1, cope match-plate pattern 1 separates with lower bolster 2 and is exposed by die cavity 3, and now re-entrant mold 6 exists
Exit from die cavity 3 under the effect of spring 81.
(3) upright in the die cavity 3 in lower bolster 2 stock 101, the diameter of stock 101 after pretreatment are put in step (1)
Diameter less than die cavity 3.
(4) press drives cope match-plate pattern 1 to move down, and the taper seat 72 of the first outer die casing 23 takes the lead in and inclining on re-entrant mold 6
Tiltedly cambered surface 71 contacts, and cope match-plate pattern 1 continues to move down, and first outer die casing 23 inclination cambered surface 71 force on re-entrant mold 6 promotes
Re-entrant mold 6 moves to die cavity 3.
(5) cope match-plate pattern 1 is driven cope match-plate pattern 1 and the 2-in-1 mould of lower bolster and holding matched moulds state, now re-entrant mold by inaccessible power
Half ball element on 6 is positioned at the precalculated position of die cavity 3.
(6) press drives upper punch 4 to press under continuing, and the upper surface of stock 101 and lower surface start crimp, stock
The upper surface of 101 produces cylindrical grooves under the effect of the first projection 24.
(7) press drives upper punch 4 persistently to press to lowermost end, the stock 101 die cavity in the middle part of cope match-plate pattern 1, lower bolster 2
Extending in 3, the periphery of stock 101 is formed hemispherical groove 13 by the extruding of re-entrant mold 6, and continuation is prolonged by stock 101 to surrounding
Generated type.
(8) press control upper punch 4 rises, and the inaccessible power that cope match-plate pattern 1 is subject to is decreased to zero and is risen by press drive, side
Die 6 inclination cambered surface 71 lose thrust under the effect of spring 81, return to initial position, cope match-plate pattern 1 and lower bolster 2 it
Between complete die sinking.
(9) press drives low punch 5 to be ejected in lower bolster 2 die cavity 3 by molding driving wheel, completes the demoulding.
(10) it is punched out obtaining through hole to the cylindrical grooves on the molding driving wheel in step (9), completes driving wheel
Production and processing.
Claims (10)
1. a driving wheel forging and stamping processing mold, in after cope match-plate pattern and lower bolster, described cope match-plate pattern and lower bolster matched moulds
Portion is provided with die cavity, it is characterised in that described cope match-plate pattern, the center of lower bolster are respectively arranged with and move up and down upper punch, undershoot
Head, the bottom of described upper punch be stepped, described low punch upper end and lower bolster between there is gap, described
The side of die cavity be provided with multiple re-entrant mold moved radially along die cavity, the end of re-entrant mold is positioned at die cavity, multiple sides
Die is arranged around die cavity periphery, described cope match-plate pattern, lower bolster, upper punch, low punch, re-entrant mold composition and driving wheel structure
The die cavity adapted.
A kind of driving wheel forging and stamping processing mold the most according to claim 1, it is characterised in that described cope match-plate pattern includes the
One core rod, die sleeve and the first outer die casing in first, the first described core rod is round tube shape structure, and described upper punch is positioned at first
In core rod, and the external diameter of upper punch is equal to the internal diameter of the first core rod, is provided with columned first convex bottom described upper punch
Rising, the external diameter of the first described projection is equal to the internal diameter of driving wheel.
A kind of driving wheel forging and stamping processing mold the most according to claim 2, it is characterised in that described lower bolster includes the
Two core rods, die sleeve and the second outer die casing in second, the second described core rod is round tube shape structure, and described low punch is cylindric
Structure and the axially arranged card wheel outer surface having on a plurality of fin, the outer surface structure of described low punch and driving wheel of outer surface
Structure is identical, and the described inwall of the second core rod adapts with the outer surface structure of low punch, and described low punch is at the second mould
In-core can axially move, and the second described core rod and low punch seamless connection, the top of described low punch is provided with cylinder
The second of shape is protruding, and the diameter of the second described projection is equal to the internal diameter of driving wheel.
A kind of driving wheel forging and stamping processing mold the most according to claim 3, it is characterised in that the first described core rod and the
There is spacing between two core rods, described spacing, equal to the height of driving wheel foreign steamer, is enclosed within first outside die sleeve in described first
Outside core rod, in being enclosed within first outside the first outer die casing outside die sleeve, it is enclosed within outside die sleeve outside the second core rod in described second, the second external mold
In being enclosed within second outside set outside die sleeve, in described first, in die sleeve and second, between die sleeve, gapless is fitted, described re-entrant mold
By die sleeve in first, pass on the inwall of die sleeve in second.
A kind of driving wheel forging and stamping processing mold the most according to claim 1, it is characterised in that described re-entrant mold includes end
The hemisphere in portion, the column of afterbody and connect the round platform part of hemisphere and column, described column is horizontal and end
Being connected with the bottom surface of round platform part, described hemisphere is connected with the upper bottom surface of round platform part, and hemispheroidal diameter is equal to round platform part
Upper bottom surface diameter, the upper bottom surface diameter of described round platform part be less than bottom surface diameter.
A kind of driving wheel forging and stamping processing mold the most according to claim 5, it is characterised in that described cope match-plate pattern and lower mold
It is provided with a plurality of passage moved radially for re-entrant mold between plate, a re-entrant mold is installed in a passage.
A kind of driving wheel forging and stamping processing mold the most according to claim 6, it is characterised in that in described first die sleeve with
The middle part constituting passage in second between die sleeve adapts with round platform part, column structure, die sleeve in described first, in second
Opening on the sidewall of die sleeve is intended for hemisphere and passes, and the afterbody of described column is provided with inclination cambered surface, described first
The bottom surface of outer die casing is provided with and tilts the taper seat that cambered surface adapts.
A kind of driving wheel forging and stamping processing mold the most according to claim 4, it is characterised in that the lower end of described re-entrant mold
It is provided with boss, in described boss and second, between the lateral surface of die sleeve, is provided with spring, when the end of re-entrant mold passes
Die sleeve in one, during die sleeve, spring is in compressive state in second.
A kind of driving wheel forging and stamping processing mold the most according to claim 2, it is characterised in that in described first on die sleeve
Side is provided with for adjusting the adjustment block with lower bolster gap.
10. a driving wheel forming method, the steps include:
(1) take cylinder stock and carry out bottom forging and stamping in advance so that its bottom forms card wheel construction.
(2) in upper punch is retracted into cope match-plate pattern, cope match-plate pattern separates with lower bolster and is exposed by die cavity, and now re-entrant mold is in the effect of spring
Under exit from die cavity.
(3) upright in the die cavity in lower bolster putting in step (1) stock after pretreatment, the diameter of stock is straight less than die cavity
Footpath.
(4) press drives cope match-plate pattern to move down, and the taper seat of the first outer die casing takes the lead in contacting with the inclination cambered surface on re-entrant mold,
Cope match-plate pattern continues to move down, and first outer die casing inclination cambered surface force on re-entrant mold promotes re-entrant mold to move to die cavity.
(5) cope match-plate pattern is driven cope match-plate pattern and lower bolster matched moulds and holding matched moulds state, now half on re-entrant mold by inaccessible power
Ball element is positioned at the precalculated position of die cavity.
(6) press drives upper punch to press under continuing, and the upper surface of stock and lower surface start crimp, and the upper surface of stock exists
Cylindrical grooves is produced under first convex role.
(7) press drives upper punch persistently to press to lowermost end, extends in stock die cavity in the middle part of cope match-plate pattern, lower bolster, embryo
The periphery of material is formed hemispherical groove by the extruding of re-entrant mold, and stock will continue to surrounding extension molding.
(8) press controls upper punch rising, and the inaccessible power that cope match-plate pattern is subject to is decreased to zero and is risen by press drive, re-entrant mold
Inclination cambered surface lose thrust and return to initial position under the action of the spring, complete die sinking between cope match-plate pattern and lower bolster.
(9) press drives low punch rising to be ejected in lower bolster die cavity by molding driving wheel, completes the demoulding.
(10) it is punched out obtaining through hole to the cylindrical grooves on the molding driving wheel in step (9), completes the life of driving wheel
Produce processing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610609919.XA CN106141059B (en) | 2016-07-22 | 2016-07-22 | A kind of driving wheel forging and stamping processing mold and its forming method |
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| CN201610609919.XA CN106141059B (en) | 2016-07-22 | 2016-07-22 | A kind of driving wheel forging and stamping processing mold and its forming method |
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| CN106141059B CN106141059B (en) | 2017-12-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107537966A (en) * | 2017-07-03 | 2018-01-05 | 江苏大洋精锻有限公司 | The shaping dies and its processing technology of a kind of valley road forging |
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| CN103998158A (en) * | 2011-09-29 | 2014-08-20 | 索纳Blw精密锻造有限责任公司 | Method and apparatus for manufacturing a gear wheel with stub toothing |
| CN205851764U (en) * | 2016-07-22 | 2017-01-04 | 宁海县博楷迪自动化科技发展有限公司 | A kind of driving wheel forging and stamping processing mold |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107537966A (en) * | 2017-07-03 | 2018-01-05 | 江苏大洋精锻有限公司 | The shaping dies and its processing technology of a kind of valley road forging |
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