CN109794604B - Forming die for automobile gearbox gear - Google Patents
Forming die for automobile gearbox gear Download PDFInfo
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- CN109794604B CN109794604B CN201910126967.7A CN201910126967A CN109794604B CN 109794604 B CN109794604 B CN 109794604B CN 201910126967 A CN201910126967 A CN 201910126967A CN 109794604 B CN109794604 B CN 109794604B
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- cover plate
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- female die
- forming groove
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Abstract
The invention discloses a forming die for a gear of an automobile gearbox, which comprises a lower female die, an upper male die and a feeding mechanism, wherein the upper male die is matched with the lower female die to punch to form a gearbox gear, and the feeding mechanism is used for feeding metallurgical powder to the lower female die; the bottom of the forming groove of the lower female die is vertically and fixedly provided with an upright post for forming a mounting hole of a gearbox gear, and the forming groove also comprises a layered spacer bush which is movably sleeved on the upright post and used for layering metallurgical powder, the middle lower part of the layered spacer bush is vertically provided with strip-shaped material passing holes, and the upper part of the layered spacer bush and the upright post are radially arranged at intervals to form a modified accommodating cavity; can carry out the layering to adding metallurgical powder, realize that terminal surface tooth and other parts on the motor transmission gear adopt different material integrated into one piece, production efficiency is high.
Description
Technical Field
The invention relates to the field of preparation of transmission gears, in particular to a forming die for an automobile transmission gear.
Background
Gear body b terminal surface an organic whole of gearbox gear forms the terminal surface tooth, terminal surface tooth a realizes meshing cover and gearbox gear meshing transmission through axially sliding's meshing cover, among the prior art, a forming die for producing the motor transmission gear can only carry out the punching press to single metallurgical powder and form the motor transmission gear, and the motor transmission gear is when using, the intensity and the wearability of terminal surface tooth on the motor transmission gear require higher, guarantee long service life, the meshing precision is high, and the intensity requirement to other positions of gearbox gear is not high, and motor transmission gear whole metallurgical powder that adopts high performance easily leads to motor transmission gear whole manufacturing cost too high, and motor transmission gear whole adoption performance lower metallurgical powder is unfavorable for guaranteeing product quality high, and life is low.
Therefore, in order to solve the above problems, a need exists for a forming die for an automobile transmission gear, which can be used for layering added metallurgical powder, and can realize that end face teeth and other parts on the automobile transmission gear are integrally formed by adopting different materials, so that the production efficiency is high.
Disclosure of Invention
In view of this, the invention aims to overcome the defects in the prior art, and provides a forming die for an automobile gearbox gear, which can be used for layering added metallurgical powder, so that end face teeth and other parts on the automobile gearbox gear are integrally formed by adopting different materials, and the production efficiency is high.
The invention discloses a forming die for a gear of an automobile gearbox, which comprises a lower female die, an upper male die and a feeding mechanism, wherein the upper male die is matched with the lower female die to punch to form a gearbox gear, and the feeding mechanism is used for feeding metallurgical powder to the lower female die; the bottom of the forming groove of the lower female die is vertically and fixedly provided with a stand column used for forming a mounting hole of a gearbox gear, and the forming groove further comprises a layered spacer bush which is movably sleeved on the stand column and used for layering metallurgical powder, the middle lower part of the layered spacer bush is vertically provided with a strip-shaped material passing hole, and the upper part of the layered spacer bush and the stand column are radially arranged at intervals to form a modified accommodating cavity.
Furthermore, the bottom of the forming groove is recessed to form a vertical slideway, and the lower end of the layered spacer bush is embedded into the vertical sliding way in a shape-fitting manner and can slide vertically under the drive of a vertical sliding drive mechanism to form a structure which is sleeved on the upright post in a movable manner.
Further, the lower die is provided with a mounting hole adjacent to the vertical slide along the horizontal direction, the vertical sliding driving mechanism comprises a vertical driving rotating shaft arranged in the mounting hole, a driving rubber sleeve fixedly sleeved on the vertical driving rotating shaft and a vertical driving motor used for driving the vertical driving rotating shaft to rotate, and the driving rubber sleeve is in contact with the layered spacer sleeve and drives the layered spacer sleeve to move up and down through friction force.
Further, the feeding mechanism comprises a first feeding box for feeding the modified accommodating cavity, a second feeding box for feeding the forming groove, a first cover plate and a second cover plate, wherein the first cover plate and the second cover plate are movably covered on an opening at the top end of the forming groove; the modified plastic packaging device is characterized in that a first material leakage opening is formed in the box bottom of the first material feeding box, the first material feeding box is driven by a first horizontal driving mechanism to slide in a reciprocating mode along the horizontal direction on a first cover plate to achieve modified material containing cavity feeding, a second material leakage opening is formed in the box bottom of the second material feeding box, and the second material feeding box is driven by a second horizontal driving mechanism to slide in a reciprocating mode along the horizontal direction on a second cover plate to achieve material feeding of a forming groove.
Further, the first cover plate and the second cover plate are hinged to the lower female die, the first cover plate and the second cover plate are respectively driven by a first overturning motor and a second overturning motor, and an output shaft of the first overturning motor and an output shaft of the second overturning motor are respectively and fixedly connected with a rotating shaft of the first cover plate and a rotating shaft of the second cover plate.
Further, the first horizontal driving mechanism and the second horizontal driving mechanism are respectively a bidirectional cylinder fixed on the lower female die, and an output shaft of the bidirectional cylinder is respectively fixedly connected with the first feeding box or the second feeding box.
The invention has the beneficial effects that: the invention discloses a forming die for a gear of an automobile gearbox, which separates a suspended modified accommodating cavity from an inner cavity of a forming groove by utilizing a layered spacer bush, wherein the upper end and the lower end of the modified accommodating cavity are open, the lower end of the layered spacer bush is fixed with the bottom of the forming groove in a closed manner, metallurgical powder with relatively poor quality is added into other spaces in the forming groove, the metallurgical powder with better quality is added into the modified accommodating cavity from an upper port, then the layered spacer bush is removed, and finally the gear of the automobile gearbox is formed by utilizing an upper convex die in a pressing manner, so that end face teeth and other parts on the gear of the automobile gearbox are integrally formed by adopting different materials, and the production efficiency is high.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic diagram of a prior art transmission gear of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of another state structure of the present invention;
FIG. 4 is a schematic structural view of a layered spacer of the present invention;
FIG. 5 is a top view of the lower die of the present invention.
Detailed Description
Fig. 1 is a schematic structural diagram of the present invention, fig. 2 is a schematic structural diagram of the present invention, fig. 3 is a schematic structural diagram of another state of the present invention, fig. 4 is a schematic structural diagram of a layered spacer sleeve of the present invention, fig. 5 is a top view of a lower female die of the present invention, and as shown in the drawings, the forming die for a gear of an automobile transmission in the present embodiment comprises a lower female die 1, an upper male die 2 which is matched with the lower female die 1 to punch to form a gear of the transmission, and a feeding mechanism for feeding metallurgical powder to the lower female die; the bottom of the forming groove 3 of the lower female die 1 is vertically and fixedly provided with a stand column 4 used for forming a mounting hole of a gearbox gear, and the forming groove further comprises a layered spacer bush 5 which is movably sleeved on the stand column 4 in a sleeving manner and used for layering metallurgical powder, the middle lower part of the layered spacer bush 5 is vertically provided with a strip-shaped material passing hole 5a, and the upper part of the layered spacer bush and the stand column are radially arranged at intervals to form a modified accommodating cavity; the strip-shaped material passing holes 5a are a plurality of strip-shaped material passing holes which are uniformly distributed along the circumferential direction of the layered spacer bush, and the forming die also comprises an existing demolding mechanism which is not described again; the layered spacer bush 5 can be detachably mounted on the lower female die 1, the modified accommodating cavity 6 is separated from the inner cavity of the forming groove 3 by the layered spacer bush 5, the upper end of the modified accommodating cavity 6 is opened, the lower end of the modified accommodating cavity is fixed with the bottom of the forming groove 3 in a closed manner, metallurgical powder with relatively poor quality is added into other spaces in the forming groove 3, the metallurgical powder with relatively poor quality flows into the inner cavity of the layered spacer bush through the strip-shaped material passing hole and is blocked after reaching a set height (the set height is the height of the upper inner wall of the strip-shaped material passing hole), so that the modified accommodating cavity 6 is formed on the inner side of the upper end of the layered spacer bush 5, the metallurgical powder with relatively good quality is added into the modified accommodating cavity 6 from the upper end, the layered spacer bush 5 is removed, and finally, the gear support of the automobile gearbox is pressed by the upper male die 2, so that the end face, the production efficiency is high.
In this embodiment, the bottom of the forming groove 3 is recessed to form a vertical slideway 7, and the lower end of the layered spacer 5 is embedded in a form-fitting manner to slide vertically and can slide vertically under the drive of a vertical sliding drive mechanism, so as to form a structure which is movably sleeved on the upright post 4; layering spacer 5 is the cylinder shell, the cross section of vertical slide 7 be with the cylinder shell shape fit for the ring form, certainly, vertical slide 7's vertical degree of depth equals the degree of depth of layering spacer 5, its lower extreme still is in vertical slip when layering spacer 5 slides to the peak in, through vertical slide 7's structure, does benefit to guarantee that layering spacer 5 is flexible quick, improves the installation of layering spacer 5 and withdraws efficiency, and simultaneously, the back positioning accuracy height that layering spacer 5 rises guarantees that the modification holds the size precision height of chamber 6 to, simple structure is compact.
In this embodiment, the lower female die 1 is provided with a mounting hole adjacent to the vertical slideway 7 in the horizontal direction, the vertical sliding driving mechanism comprises a vertical driving rotating shaft 8 arranged in the mounting hole, a driving rubber sleeve fixedly sleeved on the vertical driving rotating shaft 8 and a vertical driving motor for driving the vertical driving rotating shaft 8 to rotate, and the driving rubber sleeve is in contact with the layered spacer 5 and drives the layered spacer 5 to move up and down through friction; the layered spacer 5 is driven by the driving rubber sleeve, so that the structure is simple and the processing is convenient.
In this embodiment, the feeding mechanism includes a first feeding box 9 for feeding the modified accommodating cavity 6, a second feeding box 10 for feeding the forming groove 3, a first cover plate 11 and a second cover plate 12, which are movably covered on the opening at the top end of the forming groove 3, the first cover plate 11 is provided with a first feeding hole 13a facing the modified accommodating cavity 6, and the second cover plate 12 is provided with a second feeding hole 12a for feeding the forming groove 3; the box bottom of the first feeding box 9 is provided with a first material leakage port 13, the first feeding box 9 is driven by a first horizontal driving mechanism to slide on the first cover plate 11 in a reciprocating manner along the horizontal direction to feed the modified accommodating cavity 6, the box bottom of the second feeding box 10 is provided with a second material leakage port 14, and the second feeding box 10 is driven by a second horizontal driving mechanism to slide on the second cover plate 12 in a reciprocating manner along the horizontal direction to feed the forming groove 3; second apron 12 its structure seals the modified upper end mouth that holds chamber 6 when covering shaping recess 3, first apron 11 and second apron 12 top all opens and through the metallurgical powder that corresponds of the open mouthful developments of upper end interpolation, certainly, first apron 11 or second apron 12 cover shaping recess 3 back, the top surface of first apron 11 or second apron 12 flushes with the top surface of lower die 1, it is smooth and easy to guarantee that first pay-off box 9 and second pay-off box 10 horizontal slip, it is reinforced through the sliding port on corresponding apron of first pay-off box 9 and second pay-off box 10, feed rate is fast, improves production efficiency greatly.
In this embodiment, the first cover plate 11 and the second cover plate 12 are both hinged to the lower female die 1, and the first cover plate 11 and the second cover plate 12 are respectively driven by a first turnover motor and a second turnover motor, and an output shaft of the first turnover motor and an output shaft of the second turnover motor are respectively fixedly connected with a rotating shaft of the first cover plate 11 and a rotating shaft of the second cover plate 12; the cover plate is driven by the overturning motor to overturn correspondingly to the cover plate, so that the cover plate control efficiency is high, the control structure is simple, certainly, after the first cover plate 11 is covered, the first feeding box 9 moves and feeds the modified accommodating cavity 6, then, the first cover plate 11 is overturned to leave, and after the second cover plate 12 is covered, the second feeding box 10 moves and feeds the forming groove 3.
In this embodiment, the first horizontal driving mechanism and the second horizontal driving mechanism are respectively a bidirectional cylinder fixed on the lower female die 1, and an output shaft of the bidirectional cylinder is respectively fixedly connected with the first feeding box 9 or the second feeding box 10; the bidirectional cylinder is a reciprocating cylinder, and the feeding box is driven to move by the reciprocating motion of a cylinder shaft.
The operation process of the invention is as follows: the vertical driving motor is started, the layered spacer sleeve 5 is driven to move upwards to form a modified accommodating cavity 6, the second overturning motor drives the second cover plate 12 to cover the top of the forming groove 3, the second feeding box 10 is driven by the second bidirectional cylinder to move and feed the rest forming groove 3, and after the feeding of the rest forming groove 3 is finished, the second overturning motor drives the second cover plate 12 to overturn and leave the top of the forming groove 3; then, the first overturning motor drives the first cover plate 11 to cover the top of the forming groove 3, the first feeding box 9 moves under the driving of the first bidirectional cylinder and feeds materials to the modified accommodating cavity 6, and after the feeding of the modified accommodating cavity 6 is completed, the first overturning motor drives the first cover plate 11 to leave the top of the forming groove 3; meanwhile, the vertical driving motor reversely rotates to drive the layered spacer 5 to slide downwards to the bottommost end, the upper male die 2 is started to descend to achieve extrusion forming of the automobile gearbox gear, and after demolding, further processing of the product is carried out.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (2)
1. The utility model provides a be used for motor transmission gear forming die which characterized in that: the device comprises a lower female die, an upper male die which is matched with the lower female die to punch and form a gear of a gearbox, and a feeding mechanism which is used for feeding metallurgical powder to the lower female die; the bottom of the forming groove of the lower female die is vertically and fixedly provided with an upright post for forming a mounting hole of a gearbox gear, and the forming groove also comprises a layered spacer bush which is movably sleeved on the upright post and used for layering metallurgical powder, the middle lower part of the layered spacer bush is vertically provided with strip-shaped material passing holes, and the upper part of the layered spacer bush and the upright post are radially arranged at intervals to form a modified accommodating cavity; the bottom of the forming groove is concave downwards to form a vertical slideway, and the lower end of the layered spacer bush is embedded into the vertical sliding way in a form-fitting manner and can slide along the vertical direction under the drive of a vertical sliding drive mechanism to form a structure which is sleeved on the upright post in a movable manner; the feeding mechanism comprises a first feeding box for feeding the modified accommodating cavity, a second feeding box for feeding the forming groove, a first cover plate and a second cover plate, wherein the first cover plate and the second cover plate are movably covered on an opening at the top end of the forming groove; the box bottom of the first feeding box is provided with a first material leakage opening, the first feeding box is driven by a first horizontal driving mechanism to slide on the first cover plate in a reciprocating mode along the horizontal direction so as to realize feeding of the modified accommodating cavity, the box bottom of the second feeding box is provided with a second material leakage opening, and the second feeding box is driven by a second horizontal driving mechanism to slide on the second cover plate in a reciprocating mode along the horizontal direction so as to realize feeding of the forming groove;
the lower female die is provided with a mounting hole adjacent to the vertical slideway along the horizontal direction, the vertical sliding driving mechanism comprises a vertical driving rotating shaft arranged in the mounting hole, a driving rubber sleeve fixedly sleeved on the vertical driving rotating shaft and a vertical driving motor for driving the vertical driving rotating shaft to rotate, and the driving rubber sleeve is in contact with the layered spacer sleeve and drives the layered spacer sleeve to move up and down through friction force;
the first cover plate and the second cover plate are hinged to the lower concave die, the first cover plate and the second cover plate are respectively driven by a first overturning motor and a second overturning motor, and an output shaft of the first overturning motor and an output shaft of the second overturning motor are respectively and fixedly connected with a rotating shaft of the first cover plate and a rotating shaft of the second cover plate.
2. The forming die for the automobile gearbox gear according to claim 1, characterized in that: the first horizontal driving mechanism and the second horizontal driving mechanism are respectively a bidirectional cylinder fixed on the lower female die, and an output shaft of the bidirectional cylinder is respectively fixedly connected with the first feeding box or the second feeding box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910126967.7A CN109794604B (en) | 2019-02-20 | 2019-02-20 | Forming die for automobile gearbox gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910126967.7A CN109794604B (en) | 2019-02-20 | 2019-02-20 | Forming die for automobile gearbox gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109794604A CN109794604A (en) | 2019-05-24 |
| CN109794604B true CN109794604B (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910126967.7A Active CN109794604B (en) | 2019-02-20 | 2019-02-20 | Forming die for automobile gearbox gear |
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| CN (1) | CN109794604B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005095979A (en) * | 2003-08-29 | 2005-04-14 | Mitsubishi Materials Corp | Powder molding device and method for manufacturing green compact |
| JP5856782B2 (en) * | 2011-08-25 | 2016-02-10 | 三菱マテリアルテクノ株式会社 | Powder molding equipment |
| EP3045241A4 (en) * | 2013-09-10 | 2017-05-10 | NTN Corporation | Sliding member and method for producing same |
| CN108788139A (en) * | 2014-04-22 | 2018-11-13 | Ntn株式会社 | The forming method of powder compact |
| KR20170061130A (en) * | 2014-09-30 | 2017-06-02 | 엔티엔 가부시키가이샤 | Slide member and method for manufacturing same |
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| CN109794604A (en) | 2019-05-24 |
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Effective date of registration: 20221129 Address after: 400700 No. 10, Fengqi Road, caijiagang Town, Beibei District, Chongqing Patentee after: YANHONG GEAR INDUSTRIAL Co.,Ltd. IN BEIBEI DISTRICT CHONGQING Address before: No. 6, Yuanshan Road, East New District, Yiyang High tech Zone, Hunan Province, 413000 Patentee before: YIYANG ZAICHAO POWER METALLURGY Co.,Ltd. |
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