CN217912395U - Gearbox gear precision mold - Google Patents
Gearbox gear precision mold Download PDFInfo
- Publication number
- CN217912395U CN217912395U CN202222267033.5U CN202222267033U CN217912395U CN 217912395 U CN217912395 U CN 217912395U CN 202222267033 U CN202222267033 U CN 202222267033U CN 217912395 U CN217912395 U CN 217912395U
- Authority
- CN
- China
- Prior art keywords
- gear
- lower die
- upper die
- mold
- die
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Forging (AREA)
Abstract
The utility model relates to the technical field of gear machining dies, in particular to a gearbox gear precision die, which comprises an upper die structure, a lower die structure and a driving connection structure; the upper die structure comprises an upper die base, a pressing plate and an upper die ring; the lower die structure comprises a lower die base, a base plate and a lower die ring, and a ball socket structure is arranged on the lower die ring; the precision mold for the gearbox gear provided by the utility model has reasonable design and compact structure, the design of the upper mold structure and the lower mold structure can simultaneously cut the inner core and the outer edge of the gear blank, and the gear processing is formed at one time, thereby improving the production efficiency and the consistency of the gear processing; the design of the ball socket structure can fix the gear blank from the outer circumference to prevent the gear blank from movably deflecting; the design of the upper die structure for rotary cutting can cut the inner core of the gear blank and simultaneously rotate to facilitate the stripping of the inner core; the design of the linear cutting of the lower die structure can press the outer edge of the gear blank under the condition of not damaging the convex teeth at the outer end of the gear.
Description
Technical Field
The utility model relates to a gear machining mould technical field, concretely relates to gearbox gear precision mould.
Background
The gear is the essential element who constitutes the gearbox, produces the variable speed moment of change through different gear combinations, and the processingquality of gear can have significant influence to gear life and smooth nature, the reliability of shifting.
The conventional gear processing is finished by at least two sets of dies, and the inner core of the gear blank is cut by one set of dies and then replaced into the other set of dies to cut the outer edge of the gear blank, so that the gear processing mode has low production efficiency and is not beneficial to ensuring the forming consistency of the gear; and the gear blank is easy to move and deflect in the machining process, so that the machining quality of the gear is influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims to provide a gearbox gear precision mould for gear machining can not the one shot forming influence production efficiency and the problem of shaping uniformity among the solution prior art, and gear blank moves about easily in the course of working and deflects, influences the problem of gear machining quality.
In order to achieve the above objects and other related objects, the present invention provides a precision mold for a transmission gear, the precision mold comprising an upper mold structure, a lower mold structure, and a driving connection structure movably connected between the upper mold structure and the lower mold structure to realize mold closing and mold separation of the upper mold structure and the lower mold structure;
the upper die structure comprises:
an upper die holder;
a pressing plate assembled on the upper die base;
an upper die ring assembled on the pressure plate;
the output end of the rotary driving electric cylinder is provided with an upper die core which extends to the upper die ring and can rotationally cut the inner core of the gear blank;
the lower die structure includes:
a lower die holder;
a backing plate assembled on the lower die holder;
the lower die ring is assembled on the base plate, and a plurality of ball socket structures capable of fixing the gear blank from the outer circumference are arranged at the inner side end of the lower die ring;
the output end of the linear driving electric cylinder is provided with a lower die core which extends to the lower die ring and can linearly press the outer edge of the gear blank.
In an embodiment of the utility model, the drive connection structure includes power device, connects scalable guide pillar on power device, cup joints the installed part at the guide pillar, and power device installs on the die holder, and the installed part is connected on the clamp plate.
In an embodiment of the present invention, the ball socket structure includes a ball socket, and a ball capable of rolling contact with an outer end of the gear blank is embedded in the ball socket.
In an embodiment of the present invention, the number of the ball-and-socket structures is at least 4, and the equidistant rings of the ball-and-socket structures are disposed on the backing plate.
In an embodiment of the utility model, thereby be provided with on the backing plate and can wear to the clamp plate and guarantee the reference column of the accurate compound die of mould structure and lower mould structure.
In an embodiment of the utility model, thereby be provided with on the die holder and can contradict the clamp plate and prevent to go up the excessive spacing post of mold closing of mold structure and lower mold structure.
In an embodiment of the present invention, in the upper mold structure and the lower mold structure, the bolt detachable assembly is adopted for the assembly between each structure.
As above, the utility model provides a gearbox gear precision mould has following beneficial effect:
1. by arranging the upper die structure capable of rotationally cutting the inner core of the gear blank and the lower die structure capable of linearly pressing the outer edge of the gear blank, the upper die structure and the lower die structure are matched to be applied, so that the inner core and the outer edge of the gear blank can be simultaneously cut, the gear is machined and formed at one time, the production efficiency is greatly improved, and the consistency of the gear machined and formed at one time by the same set of precision die is good;
2. by arranging a plurality of ball socket structures capable of fixing the gear blank from the outer circumference, the movable deflection in the gear blank machining process can be avoided, and the gear machining quality is improved; the design that the ball in the ball socket structure can roll relative to the ball socket is convenient for placing the gear blank, and the ball rolls relative to the ball socket after the gear blank is processed is convenient for removing the material outside the gear blank;
3. the upper die base is provided with the rotary driving electric cylinder which can drive the upper die core to rotate and cut the inner core of the gear blank, and the rotation is beneficial to the inner core stripping while the material is cut; the outer side end of the gear is provided with the convex teeth, and the linear driving electric cylinder on the lower die base can drive the lower die core to linearly press the outer side of the gear blank under the condition of not damaging the convex teeth at the outer side end of the gear;
4. by arranging the positioning columns, the positioning columns are arranged on the base plate and can be connected to the pressing plate in a penetrating mode when the upper die structure and the lower die structure are combined, so that the upper die structure and the lower die structure are accurately combined, and the gear machining accuracy is improved;
5. by arranging the limiting column, the limiting column is arranged on the lower die base and can be abutted against the pressing plate when the upper die structure and the lower die structure are closed, so that excessive pressure loss of the gear blank when the upper die structure and the lower die structure are closed is prevented;
6. the gear precision die for the gearbox is reasonable in design and compact in structure, the inner core and the outer edge of a gear blank can be simultaneously cut by the design of the upper die structure and the lower die structure, and the gear is machined and formed at one time, so that the production efficiency is improved, and the consistency of gear machining is improved; the design of the ball socket structure can fix the gear blank from the outer circumference to prevent the gear blank from moving and deflecting, thereby being beneficial to improving the gear processing quality; the design of the upper die structure for rotary cutting can cut the inner core of the gear blank and simultaneously rotate to facilitate the stripping of the inner core; the design of the linear cutting of the lower die structure can press the outer edge of the gear blank under the condition of not damaging the convex teeth at the outer end of the gear; the design of reference column can guarantee to go up the accurate compound die of mode structure and lower mode structure, and the design of spacing post can prevent to go up mode structure and lower mode structure compound die excessive.
Drawings
Fig. 1 shows a schematic structural diagram of a mold closing state of a gearbox gear precision mold disclosed in an embodiment of the present invention.
Fig. 2 shows a schematic structural diagram of a mold splitting state of a gearbox gear precision mold disclosed in an embodiment of the present invention.
Fig. 3 shows a partial structural top view of a precision mold for a transmission gear disclosed in an embodiment of the present invention.
Fig. 4 shows a schematic structural diagram of a gear machined by the precision mold for gearbox gears disclosed in the embodiment of the present invention.
Description of the element reference
An upper die structure a; a lower die structure b; a drive connection structure c; a ball and socket structure d;
an upper die holder 1; a pressing plate 2; an upper die ring 3; a rotary driving electric cylinder 4; an upper mold core 5; a lower die holder 6; a backing plate 7; a lower die ring 8; a linear driving electric cylinder 9; a lower mold core 10; a power plant 11; a guide post 12; a mounting member 13; a socket 14; a sphere 15; a positioning post 16; a stopper post 17; gear blank X.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 4. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1 to 4, the utility model provides a gearbox gear precision mold, precision mold includes last mode structure an, lower mode structure b to and but swing joint realizes the drive connection structure c of the two compound dies, branch mould between last mode structure a and lower mode structure b.
The upper die structure a comprises an upper die base 1, a pressing plate 2 assembled on the upper die base 1, an upper die ring 3 assembled on the pressing plate 2 and a rotary driving electric cylinder 4 assembled on the upper die base 1, wherein an upper die core 5 which extends onto the upper die ring 3 and can rotationally cut the inner core of the gear blank X is installed at the output end of the rotary driving electric cylinder 4; the upper die base 1 is provided with the rotary driving electric cylinder 4 which can drive the upper die core 5 to cut the inner core of the gear blank X in a rotary manner, and the inner core is convenient to remove materials in a rotary manner during cutting.
The lower die structure b comprises a lower die base 6, a backing plate 7 assembled on the lower die base 6, a lower die ring 8 assembled on the backing plate 7 and a linear driving electric cylinder 9 assembled on the lower die base 6, wherein a lower die core 10 which extends to the lower die ring 8 and can linearly press the outer edge of the gear blank X is installed on the output end of the linear driving electric cylinder 9; because the outer side end of the gear is provided with the convex teeth, the lower die base 6 is provided with the linear driving electric cylinder 9 which can drive the lower die core 10 to linearly press the outer side of the gear blank X under the condition of not damaging the convex teeth at the outer side end of the gear.
The utility model discloses a setting can be to last mode structure an of the rotatory blank of gear blank X inner core and can be to the lower mode structure b of the sharp material of pressing of gear blank X outside, the two cooperation is used and can be to gear blank X inner core, the blank of outside simultaneously, gear machining one shot forming, very big improvement production efficiency, and the gear uniformity through same set of precision die one shot forming is good.
The driving connection structure c comprises a power device 11, a telescopic guide post 12 connected to the power device 11 and a mounting piece 13 sleeved on the guide post 12, wherein the power device 11 is mounted on the lower die base 6, and the mounting piece 13 is connected to the pressing plate 2.
A plurality of ball socket structures d capable of fixing the gear blank X from the outer circumference are arranged at the inner side end of the lower die ring 8; the ball socket structure d comprises a ball socket 14, and a round ball 15 capable of rolling and contacting the outer end of the gear blank X is embedded in the ball socket 14; by arranging the ball socket structures d capable of fixing the gear blank X from the outer circumference, the movable deflection of the gear blank X in the machining process can be avoided, and the gear machining quality is improved; the design that the round ball 15 in the ball socket structure d can roll relative to the ball socket 14 is convenient for the gear blank X to be placed, and the round ball 15 rolls relative to the ball socket 14 after the gear blank X is processed so as to be convenient for the outer edge of the gear blank X to be stripped; the number of the ball-and-socket structures d is at least 4, the ball-and-socket structures d are annularly arranged on the base plate 7 at equal intervals, and the reliability of circumferential fixing of the gear blank X can be improved by the aid of the ball-and-socket structures d.
Thereby be provided with on the backing plate 7 and can wear to the clamp plate 2 and guarantee to go up the reference column 16 of mould structure an and the accurate compound die of lower mould structure b, thereby reference column 15 sets up on backing plate 7 and can wear to the clamp plate 2 when last mould structure an and lower mould structure b compound die and thereby guarantee to go up mould structure an and the accurate compound die of lower mould structure b, does benefit to and improves the gear machining precision.
The lower die base 6 is provided with a limiting column 17 which can be abutted to the pressure plate 2 so as to prevent the upper die structure a and the lower die structure b from being excessively matched; the limiting column 17 is arranged on the lower die holder 6 and can abut against the pressing plate 2 when the upper die structure a and the lower die structure b are closed, so that excessive pressure loss of the gear blank X caused by closing of the upper die structure a and the lower die structure b is prevented.
In the upper die structure a and the lower die structure b, bolts are detachably assembled between the structures, and when a certain structure of the upper die structure a and the lower die structure b of the precision die needs to be replaced due to defects such as deformation caused by stamping, the upper die structure a and the lower die structure b can be detached and replaced independently according to actual conditions, so that the replacement cost is reduced.
In summary, the gearbox gear precision die provided by the utility model has reasonable design and compact structure, the design of the upper die structure a and the lower die structure b can simultaneously cut the inner core and the outer edge of the gear blank X, and the gear processing is formed at one time, thereby improving the production efficiency and the consistency of the gear processing; the design of the ball socket structure d can fix the gear blank X from the outer circumference to prevent the gear blank X from movably deflecting, thereby being beneficial to improving the gear processing quality; the design of the upper die structure a for rotary cutting can facilitate inner core stripping while cutting the inner core of the gear blank X; the lower die structure b is designed for linear cutting, so that the outer edge of the gear blank X can be pressed under the condition that convex teeth at the outer end of the gear are not damaged; the positioning column 16 is designed to ensure that the upper die structure a and the lower die structure b are accurately matched, and the limiting column 17 is designed to prevent the upper die structure a and the lower die structure b from being excessively matched. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.
Claims (7)
1. A gearbox gear precision mould is characterized in that the precision mould comprises an upper mould structure, a lower mould structure and a driving connection structure which can be movably connected between the upper mould structure and the lower mould structure so as to realize mould closing and mould splitting of the upper mould structure and the lower mould structure;
the upper die structure comprises:
an upper die holder;
a press plate assembled on the upper die base;
an upper die ring assembled on the pressure plate;
the output end of the rotary driving electric cylinder is provided with an upper die core which extends to the upper die ring and can rotationally cut the inner core of the gear blank;
the lower die structure includes:
a lower die holder;
a base plate assembled on the lower die holder;
the lower die ring is assembled on the base plate, and a plurality of ball socket structures capable of fixing the gear blank from the outer circumference are arranged at the inner side end of the lower die ring;
the output end of the linear driving electric cylinder is provided with a lower die core which extends to the lower die ring and can linearly press the outer edge of the gear blank.
2. The gearbox gear precision mold of claim 1, wherein: the driving connection structure comprises a power device, a telescopic guide pillar connected to the power device and an installation part sleeved on the guide pillar, the power device is installed on the lower die base, and the installation part is connected to the pressing plate.
3. The gearbox gear precision mold of claim 1, wherein: the ball socket structure comprises a ball socket, and a round ball capable of rolling and contacting the outer side end of the gear blank is embedded in the ball socket.
4. The gearbox gear precision mold of claim 3, wherein: the ball socket structure is at least provided with 4, and a plurality of ball socket structures are arranged on the base plate in an equidistant mode.
5. The gearbox gear precision mold of claim 1, wherein: the base plate is provided with a positioning column which can be connected to the pressing plate in a penetrating mode so as to guarantee the accurate die assembly of the upper die structure and the lower die structure.
6. The gearbox gear precision mold of claim 5, wherein: thereby be provided with on can conflicting the clamp plate on the die holder and prevent to go up the excessive spacing post of mold closing of mold structure and lower mold structure.
7. The gearbox gear precision mold of claim 1, wherein: in the upper die structure and the lower die structure, all the structures are assembled by adopting detachable bolt assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222267033.5U CN217912395U (en) | 2022-08-26 | 2022-08-26 | Gearbox gear precision mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222267033.5U CN217912395U (en) | 2022-08-26 | 2022-08-26 | Gearbox gear precision mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217912395U true CN217912395U (en) | 2022-11-29 |
Family
ID=84169771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222267033.5U Active CN217912395U (en) | 2022-08-26 | 2022-08-26 | Gearbox gear precision mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217912395U (en) |
-
2022
- 2022-08-26 CN CN202222267033.5U patent/CN217912395U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202622559U (en) | Rotatable blade peripheral grinding machine workpiece clamping and transmission device | |
| CN110566586B (en) | Rubber ring structure, automatic compression molding machine and method | |
| CN110666060A (en) | Stamping equipment for producing battery steel shell | |
| CN217912395U (en) | Gearbox gear precision mold | |
| CN109051237B (en) | Needle pressing machine | |
| CN103447388B (en) | The diel of clutch splined hub profile of tooth | |
| CN211071649U (en) | Die forging mould for transmission shaft | |
| JPH03275227A (en) | Punch press | |
| CN216324584U (en) | Automatic rotation type five metals precision stamping die | |
| CN103230994B (en) | Device and method for forming imprint of micro groove on shaft through stepping rolling | |
| CN104942593A (en) | Belt wheel extrusion-spinning near-net forming device | |
| CN212525597U (en) | Novel spinning machine for manufacturing end socket | |
| CN210879308U (en) | Clamping accessory for production and processing of gearbox gear | |
| JPH04197547A (en) | Formation of helical gear | |
| CN206689730U (en) | A kind of pot of one-shot forming apparatus | |
| KR20010087147A (en) | Cold forging method and device | |
| CN112296197A (en) | Multipurpose seaming machine mechanism and using method | |
| CN201687920U (en) | Assembly structure for belt wheel and bearing and clamp | |
| CN214109535U (en) | Shaped charge cover former | |
| CN112065954A (en) | Composite large V multi-wedge plate belt pulley and forming method | |
| CN218395429U (en) | Conical cylinder rolling tool | |
| CN216801264U (en) | Numerical control punch press with quick material positioning function | |
| CN214053423U (en) | Multipurpose seaming machine mechanism | |
| CN220239947U (en) | Cold header for composite extrusion bearing roller | |
| CN220462101U (en) | Hub forging die with tightening function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |