CN214979493U - Clamping device for gear turning end face - Google Patents
Clamping device for gear turning end face Download PDFInfo
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- CN214979493U CN214979493U CN202121268447.9U CN202121268447U CN214979493U CN 214979493 U CN214979493 U CN 214979493U CN 202121268447 U CN202121268447 U CN 202121268447U CN 214979493 U CN214979493 U CN 214979493U
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- expansion sleeve
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- 238000013461 design Methods 0.000 claims abstract description 15
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a clamping device for the end face of a gear lathe, which comprises a connecting seat with a cylindrical structure design, wherein one end of the connecting seat is an installation fixed end and is used for being connected with a main shaft of a machine tool; the other end of the connecting seat is connected with a spring clamp seat, the spring clamp seat comprises a spring expansion sleeve with a far end and an integral cylindrical structure, and a plurality of expansion openings with far ends arranged in an opening mode are uniformly distributed at the upper end of the spring expansion sleeve and penetrate through the wall thickness direction of the spring expansion sleeve; the spring expansion sleeve is integrally formed into an inserting positioning shaft and can be inserted into a gear mounting hole to be processed; a gear axial positioning structure is arranged between the spring clamp seat and the gear, the gear axial positioning structure comprises a circle of annular limiting surface on the spring expansion sleeve, and the inner end surface of the gear can be attached to and supported on the limiting surface so as to limit the position of the gear, which is axially inward along the spring expansion sleeve. The utility model has the advantages of simple structure, reasonable in design, the clamping is more reliable, makes things convenient for the dismouting.
Description
Technical Field
The utility model belongs to the technical field of gear machining, concretely relates to gear is clamping device for car terminal surface.
Background
The gear machining process comprises gear hobbing, gear shaving and gear grinding. After the gear transmission teeth are machined, particularly, the end faces of gears (such as motorcycle crankshaft driving teeth) with high end face precision requirements need to be ground. The end face precision is required to be 0.005mm-0.008 mm. During grinding, the outer circumferential surface of the gear is usually used as a clamping surface for clamping, and after clamping, the end surface of the gear is ground to meet the precision requirement. The grinding and clamping by taking the outer circumferential surface of the gear as a clamping surface have the following defects: 1, the grinding efficiency is low, the processing time is long, and the processing efficiency is low; 2 the gear is inconvenient to clamp, and the disassembly is inconvenient after the processing, thereby causing long downtime and influencing the efficiency. Therefore, in the prior art, the gear can be clamped by adopting a corresponding clamp and machined by adopting an end face turning machining mode. However, the existing clamping device is complex in structure and unreasonable in design, and when the gear is clamped and turned, the clamping is unreasonable, and a certain amount of rotation is easy to occur.
Therefore, how to provide a clamping device for the end face of the gear car, which has the advantages of simple structure, reasonable design, more reliable clamping and convenient assembly and disassembly, becomes the technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a simple structure, reasonable in design, the clamping is more reliable, makes things convenient for the clamping device for gear car terminal surface of dismouting.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a clamping device for the end face of a gear lathe comprises a connecting seat in a cylindrical structural design, wherein one end of the connecting seat is a mounting fixed end and is used for being connected with a main shaft of a machine tool; the spring expansion device is characterized in that a spring clamp seat is connected and arranged at the other end of the connecting seat, the spring clamp seat comprises a spring expansion sleeve with a far end and an integral cylindrical structure, and a plurality of expansion openings with far ends arranged in an opening mode are uniformly distributed at the upper end of the spring expansion sleeve and penetrate through the wall thickness direction of the spring expansion sleeve; the spring expansion sleeve is integrally formed into an inserting positioning shaft and can be inserted into a gear mounting hole to be processed; a gear axial positioning structure is arranged between the spring clamp seat and the gear, the gear axial positioning structure comprises a circle of annular limiting surface on the spring expansion sleeve, and the inner end surface of the gear can be attached to and supported on the limiting surface so as to limit the position of the gear, which is inward along the axial direction of the spring expansion sleeve, and the outer end surface of the spring expansion sleeve is positioned on the inner side of the outer end surface of the gear; a gear rotation limiting structure is arranged between the spring clamp seat and the gear to limit the rotation of the gear; an expansion block is arranged in the spring expansion sleeve in a sliding manner, the outer end of the expansion block is provided with an expansion section with a larger outer end diameter and a smaller inner end diameter, the outer end of the inner hole of the spring expansion sleeve is provided with a matching hole section with a larger outer end diameter and a smaller inner end diameter, and the expansion section and the matching hole section are arranged in a matching manner; and a connecting hole is axially arranged on the expansion block in a penetrating manner, a tension screw is arranged in the connecting hole, and the inner end of the tension screw is in threaded fit with a threaded hole in the spring clamp seat.
Therefore, when the clamping device for the end face of the gear lathe works, the connecting seat is connected with the main shaft of the machine tool through the three-jaw chuck. The spring expansion sleeve is integrally inserted and arranged in a gear mounting hole to be processed, and the inner end face of the gear is supported on the limiting face in an attached mode so as to limit the position of the gear, which is inward in the axial direction of the spring expansion sleeve, along the gear. Then the tension screw is screwed, so that the expansion block moves inwards in the spring expansion sleeve and expands the spring expansion sleeve to clamp the inner hole of the gear, and the gear rotation limiting structure can limit the gear rotation. And finishing clamping. In the above-mentioned structure, spring jacket and the piece that rises can not form to block and disturb the gear facing lathe, simple structure, reasonable in design. And can avoid processing better, the gear rotates for the clamping is more reliable.
Preferably, the inner end of the spring expansion sleeve is provided with a positioning shaft shoulder, and the outer side surface of the positioning shaft shoulder forms the limiting surface.
Thus, the structure is simpler, and the design is more reasonable.
As optimization, the spring clamp seat further comprises a connecting section at the inner end, the gear rotation limiting structure comprises an anti-rotation sleeve sleeved on the connecting section, the anti-rotation sleeve comprises an anti-rotation matching section at the inner end, the section of an inner hole of the anti-rotation matching section is of a regular hexagon structure, the section of the outer end of the connecting section is of the regular hexagon structure and is matched with the anti-rotation matching section in a sliding manner, the anti-rotation sleeve further comprises an anti-rotation connecting section at the outer end, and the inner diameter of the anti-rotation connecting section is larger than that of the anti-rotation matching section; and prevent changeing and be equipped with on the internal perisporium of linkage segment and prevent changeing the tooth, still be equipped with stop nut on the linkage segment, stop nut can promote to prevent changeing the cover axial displacement, and make prevent changeing the linkage segment and prevent changeing the step face that the cooperation section formed and paste on location shoulder medial surface mutually, and make prevent changeing the linkage segment cover and establish in the gear inner, prevent the tooth and cooperate in order to prevent gear rotation with gear drive tooth.
Like this, gear revolve limit structure is simpler, makes things convenient for the dismouting more, and the design is more reasonable.
Preferably, the connecting section and the connecting seat are fixed together through a connecting screw.
Thus, the connecting structure is simpler and more convenient to disassemble and assemble.
Preferably, the two limiting nuts are arranged in a stacked mode along the axis direction.
Thus, the work is more reliable and the looseness is avoided.
As optimization, the connecting hole comprises a connecting hole outer section and a connecting hole inner section, and the diameter of the connecting hole outer section is larger than that of the connecting hole inner section; the head of the lag screw is attached to the step surface formed by the outer section of the connecting hole and the inner section of the connecting hole.
Thus, the structure is simpler, and the design is more reasonable.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
referring to FIG. 1: a clamping device for the end face of a gear lathe comprises a connecting seat 1 which is designed in a cylindrical structure, wherein one end of the connecting seat is a mounting fixed end and is used for being connected with a main shaft of a machine tool; the other end of the connecting seat is connected with a spring clamp seat 2, the spring clamp seat comprises a spring expansion sleeve 3 which is of a far-end and integrally takes a cylindrical structure, and a plurality of expansion openings 4 which are arranged in a way that the far-end openings are uniformly distributed at the upper end of the spring expansion sleeve and penetrate through the wall thickness direction of the spring expansion sleeve; the spring expansion sleeve is integrally formed into an inserting positioning shaft and can be inserted into a mounting hole of the gear 5 to be processed; a gear axial positioning structure is arranged between the spring clamp seat and the gear, the gear axial positioning structure comprises a circle of annular limiting surface on the spring expansion sleeve, and the inner end surface of the gear can be attached to and supported on the limiting surface so as to limit the position of the gear, which is inward along the axial direction of the spring expansion sleeve, and the outer end surface of the spring expansion sleeve is positioned on the inner side of the outer end surface of the gear; a gear rotation limiting structure is arranged between the spring clamp seat and the gear to limit the rotation of the gear; an expansion block 6 is arranged in the spring expansion sleeve in a sliding manner, the outer end of the expansion block is provided with an expansion section 7 with a larger outer end diameter and a smaller inner end diameter, the outer end of the inner hole of the spring expansion sleeve is provided with a matching hole section with a larger outer end diameter and a smaller inner end diameter, and the expansion section and the matching hole section are arranged in a matching manner; the expansion block is provided with a connecting hole along the axial direction in a penetrating way, a tension screw 8 is arranged in the connecting hole, and the inner end of the tension screw is in threaded fit with a threaded hole in the spring clamp seat.
Therefore, when the clamping device for the end face of the gear lathe works, the connecting seat is connected with the main shaft of the machine tool through the three-jaw chuck. The spring expansion sleeve is integrally inserted and arranged in a gear mounting hole to be processed, and the inner end face of the gear is supported on the limiting face in an attached mode so as to limit the position of the gear, which is inward in the axial direction of the spring expansion sleeve, along the gear. Then the tension screw is screwed, so that the expansion block moves inwards in the spring expansion sleeve and expands the spring expansion sleeve to clamp the inner hole of the gear, and the gear rotation limiting structure can limit the gear rotation. And finishing clamping. In the above-mentioned structure, spring jacket and the piece that rises can not form to block and disturb the gear facing lathe, simple structure, reasonable in design. And can avoid processing better, the gear rotates for the clamping is more reliable.
In this embodiment, the inner end of the spring expansion sleeve is provided with a positioning shoulder 9, and the outer side surface of the positioning shoulder forms the limiting surface.
Thus, the structure is simpler, and the design is more reasonable.
In the specific embodiment, the spring clamp seat further comprises a connecting section 10 at the inner end, the gear rotation limiting structure comprises an anti-rotation sleeve 11 sleeved on the connecting section, the anti-rotation sleeve comprises an anti-rotation matching section 12 at the inner end, the section of an inner hole of the anti-rotation matching section is of a regular hexagon structure, the section of the outer end of the connecting section is of the regular hexagon structure and is matched with the anti-rotation matching section in a sliding manner, the anti-rotation sleeve further comprises an anti-rotation connecting section 13 at the outer end, and the inner diameter of the anti-rotation connecting section is larger than that of the anti-rotation matching section; and prevent changeing and be equipped with on the internal perisporium of linkage segment and prevent changeing the tooth, still be equipped with stop nut 14 on the linkage segment, stop nut can promote to prevent changeing the cover axial displacement, and make prevent changeing the linkage segment and prevent changeing the step face that the cooperation section formed and paste on location shoulder medial surface mutually, and make prevent changeing the linkage segment cover and establish in the gear inner, prevent the tooth and cooperate in order to prevent gear rotation with gear drive tooth.
Like this, gear revolve limit structure is simpler, makes things convenient for the dismouting more, and the design is more reasonable.
In this embodiment, the connecting section and the connecting base are fixed together by a connecting screw.
Thus, the connecting structure is simpler and more convenient to disassemble and assemble.
In this embodiment, the two limit nuts are stacked along the axis direction.
Thus, the work is more reliable and the looseness is avoided.
In the specific embodiment, the connecting hole comprises a connecting hole outer section and a connecting hole inner section, and the diameter of the connecting hole outer section is larger than that of the connecting hole inner section; the head of the lag screw is attached to the step surface formed by the outer section of the connecting hole and the inner section of the connecting hole.
Thus, the structure is simpler, and the design is more reasonable.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (6)
1. A clamping device for the end face of a gear lathe comprises a connecting seat in a cylindrical structural design, wherein one end of the connecting seat is a mounting fixed end and is used for being connected with a main shaft of a machine tool; the spring expansion device is characterized in that a spring clamp seat is connected and arranged at the other end of the connecting seat, the spring clamp seat comprises a spring expansion sleeve with a far end and an integral cylindrical structure, and a plurality of expansion openings with far ends arranged in an opening mode are uniformly distributed at the upper end of the spring expansion sleeve and penetrate through the wall thickness direction of the spring expansion sleeve; the spring expansion sleeve is integrally formed into an inserting positioning shaft and can be inserted into a gear mounting hole to be processed; a gear axial positioning structure is arranged between the spring clamp seat and the gear, the gear axial positioning structure comprises a circle of annular limiting surface on the spring expansion sleeve, and the inner end surface of the gear can be attached to and supported on the limiting surface so as to limit the position of the gear, which is inward along the axial direction of the spring expansion sleeve, and the outer end surface of the spring expansion sleeve is positioned on the inner side of the outer end surface of the gear; a gear rotation limiting structure is arranged between the spring clamp seat and the gear to limit the rotation of the gear; an expansion block is arranged in the spring expansion sleeve in a sliding manner, the outer end of the expansion block is provided with an expansion section with a larger outer end diameter and a smaller inner end diameter, the outer end of the inner hole of the spring expansion sleeve is provided with a matching hole section with a larger outer end diameter and a smaller inner end diameter, and the expansion section and the matching hole section are arranged in a matching manner; and a connecting hole is axially arranged on the expansion block in a penetrating manner, a tension screw is arranged in the connecting hole, and the inner end of the tension screw is in threaded fit with a threaded hole in the spring clamp seat.
2. The clamping device for the end face of the gear lathe as claimed in claim 1, wherein: the inner end of the spring expansion sleeve is provided with a positioning shaft shoulder, and the outer side surface of the positioning shaft shoulder forms the limiting surface.
3. The clamping device for the end face of the gear lathe as claimed in claim 2, wherein: the spring clamp seat further comprises a connecting section at the inner end, the gear rotation limiting structure comprises an anti-rotation sleeve sleeved on the connecting section, the anti-rotation sleeve comprises an anti-rotation matching section at the inner end, the section of an inner hole of the anti-rotation matching section is of a regular hexagon structure, the section of the outer end of the connecting section is of the regular hexagon structure and is matched with the anti-rotation matching section in a sliding mode, the anti-rotation sleeve further comprises an anti-rotation connecting section at the outer end, and the inner diameter of the anti-rotation connecting section is larger than that of the anti-rotation matching section; and prevent changeing and be equipped with on the internal perisporium of linkage segment and prevent changeing the tooth, still be equipped with stop nut on the linkage segment, stop nut can promote to prevent changeing the cover axial displacement, and make prevent changeing the linkage segment and prevent changeing the step face that the cooperation section formed and paste on location shoulder medial surface mutually, and make prevent changeing the linkage segment cover and establish in the gear inner, prevent the tooth and cooperate in order to prevent gear rotation with gear drive tooth.
4. The clamping device for the gear lathe end face as claimed in claim 3, wherein: the connecting section and the connecting seat are fixed together through a connecting screw.
5. The clamping device for the gear lathe end face as claimed in claim 3, wherein: the two limiting nuts are stacked along the axis direction.
6. The clamping device for the end face of the gear lathe as claimed in claim 1, wherein: the connecting hole comprises a connecting hole outer section and a connecting hole inner section, and the diameter of the connecting hole outer section is larger than that of the connecting hole inner section; the head of the lag screw is attached to the step surface formed by the outer section of the connecting hole and the inner section of the connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121268447.9U CN214979493U (en) | 2021-06-07 | 2021-06-07 | Clamping device for gear turning end face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121268447.9U CN214979493U (en) | 2021-06-07 | 2021-06-07 | Clamping device for gear turning end face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214979493U true CN214979493U (en) | 2021-12-03 |
Family
ID=79130379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121268447.9U Active CN214979493U (en) | 2021-06-07 | 2021-06-07 | Clamping device for gear turning end face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214979493U (en) |
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2021
- 2021-06-07 CN CN202121268447.9U patent/CN214979493U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240110 Address after: 400050 group 13, taici village, Baishiyi Town, Jiulongpo District, Chongqing Patentee after: Chongqing Taoming Machinery Manufacturing Co.,Ltd. Address before: 401329 Wulidian, Baishiyi Town, Jiulongpo District, Chongqing Patentee before: Chongqing Mingfan Machinery Manufacturing Co.,Ltd. |
|
| TR01 | Transfer of patent right |