CN221269701U - Lathe processing gear combination fixture - Google Patents
Lathe processing gear combination fixture Download PDFInfo
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- CN221269701U CN221269701U CN202323235222.5U CN202323235222U CN221269701U CN 221269701 U CN221269701 U CN 221269701U CN 202323235222 U CN202323235222 U CN 202323235222U CN 221269701 U CN221269701 U CN 221269701U
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- lathe
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- 238000003754 machining Methods 0.000 claims abstract description 7
- 210000001503 joint Anatomy 0.000 abstract 2
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a lathe machining gear combined clamp which comprises a cutter assembly and a fixing assembly, wherein the cutter assembly comprises a cutter shaft, a circular cutter and a tailstock, the circular cutter is arranged on the cutter shaft, one end of the cutter shaft is arranged in a three-jaw chuck of a lathe, the other end of the cutter shaft is in butt joint with the tailstock, the fixing assembly comprises a shaft sleeve, a connecting plate, a positioning shaft and a locking piece, the shaft sleeve is fixedly connected with a cutter rest of the lathe through the connecting plate, the positioning shaft is in rotary connection with the shaft sleeve, two ends of the positioning shaft are respectively connected with a blank piece and a sample gear, the locking piece is connected with the shaft sleeve, and the output end of the locking piece can be in butt joint with the positioning shaft; the cutter is arranged on a three-jaw chuck of a lathe, the circular cutter on the cutter can be driven to rotate, meanwhile, the shaft sleeve is fixed on the cutter frame, the rotating angle of the blank piece each time, namely the rotating angle of the positioning shaft, can be determined through the sample gear, so that the tooth slot position to be processed on the blank piece each time is positioned under the circular cutter, and the cutter frame drives the blank piece to move along the vertical direction, so that a tooth slot can be formed.
Description
Technical Field
The utility model relates to the technical field of lathe clamps, in particular to a gear combined clamp for lathe machining.
Background
The lathe is a machine tool for turning a rotating workpiece with a turning tool. A lathe is the most important type of metal cutting machine, and is called a machine tool, which is the largest in number among lathes in a general machine factory.
At present, in some machine repair processes, the situation that the gears are damaged is encountered, and the corresponding gears are difficult to purchase at one time, so that the machine repair process is affected. For this purpose, the blank can be machined by a lathe to the desired gear.
However, the lack of a special combined jig makes the process of machining gears extremely difficult and the machining accuracy poor.
Disclosure of utility model
In view of this, it is necessary to provide a combined fixture for turning gears, which solves the problems of the lack of a dedicated combined fixture, so that the process of turning gears is extremely difficult and the machining precision is poor.
The utility model provides a lathe machining gear combination fixture which comprises a cutter assembly and a fixing assembly, wherein the cutter assembly comprises a cutter shaft, a circular cutter and a tailstock, the circular cutter and the tailstock are arranged on the cutter shaft, one end of the cutter shaft is arranged in a three-jaw chuck of a lathe, the other end of the cutter shaft is abutted against the tailstock, the fixing assembly comprises a shaft sleeve, a connecting plate, a positioning shaft and a locking piece, the shaft sleeve is fixedly connected with a cutter rest of the lathe through the connecting plate, the positioning shaft is rotationally connected with the shaft sleeve, two ends of the positioning shaft are respectively connected with a blank piece and a sample gear, the locking piece is connected with the shaft sleeve, and the output end of the locking piece can be abutted against the positioning shaft so as to limit the rotation of the positioning shaft.
Further, the circular knife is detachably connected with the knife shaft.
Further, the middle part of arbor has set gradually boss, spline and first screw thread towards one end, the cutter assembly still includes positioning sleeve and holding nut, the circular knife pass the arbor and with boss butt, the sleeve with spline sliding connection on the arbor, holding nut with first screw thread connection on the arbor is used for compressing tightly positioning sleeve makes the circular knife hugs closely the boss.
Further, the connecting plate is 7-shaped.
Further, the connecting plate includes horizontal splint, inclined splint and vertical splint, one side of horizontal splint is via inclined splint with the top of vertical splint is connected, horizontal splint is via screw and the knife rest fixed connection of lathe, the multiunit through-hole has been seted up along vertical direction to vertical splint, install the screw on the axle sleeve, the free end of screw pass the axle sleeve and one of them on the vertical splint behind the through-hole, with the nut connection.
Further, the locking piece is a locking screw, and the locking screw penetrates through the shaft sleeve and can be abutted with the positioning shaft.
Further, the device also comprises a positioning piece, wherein the positioning piece is arranged on the shaft sleeve and is provided with a positioning end matched with a tooth slot of the sample gear.
Further, the setting element includes stationary blade, rotary piece and location tooth, one side of stationary blade with axle sleeve fixed connection, the opposite side of stationary blade with one side of rotary piece articulates, the opposite side of rotary piece with location tooth fixed connection, the location tooth is the location end, the location tooth rotatable to be located with the position department of the tooth's socket joint of the sample gear of location axle one end.
Further, the two ends of the positioning shaft are respectively provided with a second thread and a step, the second thread of the positioning shaft is connected with a nut, a clamping gap is formed between the nut and the step, and the blank piece and the sample gear are arranged in the two clamping gaps formed at the two ends of the positioning shaft.
Further, an annular groove is formed in the middle of the positioning shaft, and the free end of the locking screw penetrates through the shaft sleeve and then extends into the annular groove to limit the movement of the positioning shaft in the axial direction of the positioning shaft.
Compared with the prior art, one end of the cutter shaft is arranged on the three-jaw chuck of the lathe, the circular cutter on the cutter shaft can be driven to rotate, the other end of the cutter shaft is tightly propped against by the tailstock, meanwhile, the shaft sleeve is fixed on the cutter frame through the connecting plate, the rotating angle of the blank piece each time can be determined through the sample gear, namely, the rotating angle of the positioning shaft is determined, so that the tooth slot position to be processed on the blank piece each time is positioned under the circular cutter, the cutter frame drives the blank piece to move along the vertical direction, tooth slots can be formed, the needed gear can be formed by repeating the steps, the processing is convenient, the processing precision is high, and the function of the lathe is expanded.
Drawings
FIG. 1 is a schematic diagram of the structure of a blank and a sample gear integrally mounted in a lathe gear combination fixture according to an embodiment of the present utility model;
Fig. 2 is a schematic diagram of the overall structure of a lathe-machined gear combination fixture according to an embodiment of the present utility model;
fig. 3 is a schematic structural view of a connecting plate in a turning gear combination fixture according to an embodiment of the present utility model.
Detailed Description
The following detailed description of preferred embodiments of the utility model is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the utility model, are used to explain the principles of the utility model and are not intended to limit the scope of the utility model.
As shown in fig. 1, the combined fixture for turning gears provided by the utility model comprises a cutter assembly 100 and a fixing assembly 200, wherein the cutter assembly 100 comprises a cutter shaft 110, a circular cutter 120 and a tailstock, the circular cutter 120 is arranged on the cutter shaft 110, one end of the cutter shaft 110 is arranged in a three-jaw chuck of a lathe, the other end of the cutter shaft 110 is abutted against the tailstock, the fixing assembly 200 comprises a shaft sleeve 210, a connecting plate 211, a positioning shaft 220 and a locking piece 230, the shaft sleeve 210 is fixedly connected with a cutter frame of the lathe through the connecting plate 211, the positioning shaft 220 is rotationally connected with the shaft sleeve 210, two ends of the positioning shaft 220 are respectively connected with a blank piece 300 and a sample gear 400, the locking piece 230 is connected with the shaft sleeve 210, and the output end of the locking piece 230 can be abutted against the positioning shaft 220 so as to limit the rotation of the positioning shaft 220.
In implementation, one end of the cutter shaft 110 is mounted on a three-jaw chuck of a lathe, the circular cutter 120 on the cutter shaft 110 can be driven to rotate, the other end of the cutter shaft 110 is tightly propped against by a tailstock, meanwhile, the shaft sleeve 210 is fixed on the cutter frame through the connecting plate 211, the rotating angle of the blank 300 each time, namely the rotating angle of the positioning shaft 220, can be determined through the sample gear 400, so that the tooth slot position to be processed on the blank 300 each time is positioned under the circular cutter 120, the cutter frame drives the blank 300 to move along the vertical direction, tooth slots can be formed, the required gear can be formed by repeating the steps, the processing is convenient, the processing precision is high, and the functions of the lathe are expanded.
The cutter assembly 100 in this embodiment is a structure mounted on a three jaw chuck of a lathe for cutting the blank 300 to form tooth slots of a gear. The cutter assembly 100 comprises a cutter shaft 110, a circular cutter 120 and a tailstock, wherein the circular cutter 120 and the tailstock are arranged on the cutter shaft 110, one end of the cutter shaft 110 is arranged in a three-jaw chuck of a lathe, and the other end of the cutter shaft 110 is abutted with the tailstock.
As shown in fig. 2, to facilitate replacement of the circular knife 120 due to wear of the circular knife 120, in one embodiment, the circular knife 120 is removably coupled to the arbor 110. The middle part of the cutter shaft 110 is provided with a boss 111, a spline 112 and a first thread 113 in sequence towards one end, the cutter assembly 100 further comprises a positioning sleeve 130 and a fastening nut 140, the circular cutter 120 penetrates through the cutter shaft 110 and is abutted against the boss 111, the sleeve is in sliding connection with the spline 112 on the cutter shaft 110, and the fastening nut 140 is connected with the first thread 113 on the cutter shaft 110 and is used for pressing the positioning sleeve 130 to enable the circular cutter 120 to be tightly attached to the boss 111.
In the process of clamping the arbor 110, the non-threaded end of the arbor 110 should be installed into the three-jaw chuck, so as to avoid the first threads 113 from being deformed by compression.
Of course, in other embodiments, other manners of achieving the detachable connection between the circular knife 120 and the arbor 110 may be employed.
The fixing assembly 200 in this embodiment is configured to fix the blank 300 to a tool rest of a lathe, and the tool rest can drive the blank 300 to move in a direction approaching the circular knife 120. The fixing assembly 200 comprises a shaft sleeve 210, a connecting plate 211, a positioning shaft 220 and a locking piece 230, wherein the shaft sleeve 210 is fixedly connected with a tool rest of a lathe through the connecting plate 211, the positioning shaft 220 is rotationally connected with the shaft sleeve 210, two ends of the positioning shaft 220 are respectively connected with a blank piece 300 and a sample gear 400, the locking piece 230 is connected with the shaft sleeve 210, and an output end of the locking piece 230 can be abutted with the positioning shaft 220 so as to limit the rotation of the positioning shaft 220.
As shown in fig. 3, in one embodiment, the connection plate 211 has a 7-shape. Wherein, the connecting plate 211 includes a horizontal clamping plate, an inclined clamping plate and a vertical clamping plate, one side of the horizontal clamping plate is connected with the top of the vertical clamping plate through the inclined clamping plate, the horizontal clamping plate is fixedly connected with a tool rest of a lathe through a screw, the vertical clamping plate is provided with a plurality of groups of through holes 212 along the vertical direction, the shaft sleeve 210 is provided with a screw, and the free end of the screw is connected with a nut after passing through the shaft sleeve 210 and one of the through holes 212 on the vertical clamping plate. The height position of the sleeve 210 can be adjusted by connecting the sleeve 210 with the through holes 212 at different heights of the vertical clamping plates.
In one embodiment, the locking member 230 is a locking screw that passes through the sleeve 210 and is abuttable against the positioning shaft 220.
In order to determine the rotation angle of the positioning shaft 220 each time so as to sequentially process a plurality of tooth grooves, the present embodiment further includes a positioning member 240, wherein the positioning member 240 is mounted on the shaft sleeve 210, and the positioning member 240 has a positioning end that is matched with the tooth grooves of the sample gear 400.
In one embodiment, the positioning element 240 includes a fixing plate 241, a rotating plate 242 and positioning teeth 243, one side of the fixing plate 241 is fixedly connected with the shaft sleeve 210, the other side of the fixing plate 241 is hinged with one side of the rotating plate 242, the other side of the rotating plate 242 is fixedly connected with the positioning teeth 243, the positioning teeth 243 are positioning ends, and the positioning teeth 243 can rotate to a position clamped with tooth grooves of the sample gear 400 located at one end of the positioning shaft 220.
In order to facilitate the fixation of the blank 300 and the sample gear 400, the positioning shaft 220 is formed with second threads 221 and steps at both ends thereof, a nut is coupled to the second threads 221 of the positioning shaft 220, a clamping gap is formed between the nut and the steps, and the blank 300 and the sample gear 400 are disposed in the two clamping gaps formed at both ends of the positioning shaft 220.
To limit the axial position of the positioning shaft 220 relative to the sleeve 210, in one embodiment, an annular groove is provided in the middle of the positioning shaft 220, and the free end of the locking screw extends into the annular groove through the sleeve 210 to limit the movement of the positioning shaft 220 in its axial direction.
Compared with the prior art: one end of the cutter shaft 110 is mounted on a three-jaw chuck of a lathe, the circular cutter 120 on the cutter shaft 110 can be driven to rotate, the other end of the cutter shaft 110 is tightly propped up by a tailstock, meanwhile, the shaft sleeve 210 is fixed on the cutter frame, the rotating angle of the blank 300 can be determined through the sample gear 400, namely, the rotating angle of the positioning shaft 220, so that the tooth slot position to be processed on the blank 300 is positioned under the circular cutter 120, the cutter frame drives the blank 300 to move along the vertical direction, tooth slots can be formed, the required gear can be formed by repeating the steps, the processing is convenient, the processing precision is high, and the function of the lathe is expanded.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (10)
1. The gear combined fixture for lathe machining is characterized by comprising a cutter assembly and a fixing assembly;
The cutter assembly comprises a cutter shaft, a circular cutter and a tailstock, wherein the circular cutter and the tailstock are arranged on the cutter shaft, one end of the cutter shaft is arranged in a three-jaw chuck of a lathe, and the other end of the cutter shaft is abutted with the tailstock;
The fixing assembly comprises a shaft sleeve, a connecting plate, a positioning shaft and a locking piece, wherein the shaft sleeve is fixedly connected with a tool rest of a lathe through the connecting plate, the positioning shaft is rotationally connected with the shaft sleeve, two ends of the positioning shaft are respectively connected with a blank piece and a sample gear, the locking piece is connected with the shaft sleeve, and the output end of the locking piece can be abutted with the positioning shaft to limit the rotation of the positioning shaft.
2. The turning gear assembly fixture of claim 1, wherein the circular knife is removably coupled to the arbor.
3. The turning gear combination fixture of claim 2, wherein the middle portion of the arbor is provided with a boss, a spline and a first thread in sequence toward one end, the cutter assembly further comprises a positioning sleeve and a tightening nut, the circular cutter passes through the arbor and abuts against the boss, the sleeve is slidably connected with the spline on the arbor, and the tightening nut is connected with the first thread on the arbor to press the positioning sleeve to tightly adhere the circular cutter to the boss.
4. The turning gear assembly jig of claim 1, wherein the web is 7-shaped.
5. The turning gear combined clamp according to claim 4, wherein the connecting plate comprises a horizontal clamping plate, an inclined clamping plate and a vertical clamping plate, one side of the horizontal clamping plate is connected with the top of the vertical clamping plate through the inclined clamping plate, the horizontal clamping plate is fixedly connected with a tool rest of a lathe through a screw, the vertical clamping plate is provided with a plurality of groups of through holes along the vertical direction, the shaft sleeve is provided with the screw, and the free end of the screw is connected with a nut after passing through the shaft sleeve and one of the through holes on the vertical clamping plate.
6. The lathe work gear combination fixture of claim 1, wherein said locking member is a locking screw passing through said sleeve and being abuttable against said locating shaft.
7. The lathe work gear assembly fixture of claim 1, further comprising a positioning member mounted to said sleeve, said positioning member having a positioning end that mates with the tooth slot of the sample gear.
8. The turning gear combination fixture of claim 7, wherein the positioning member comprises a fixing plate, a rotating plate and positioning teeth, one side of the fixing plate is fixedly connected with the shaft sleeve, the other side of the fixing plate is hinged with one side of the rotating plate, the other side of the rotating plate is fixedly connected with the positioning teeth, the positioning teeth are positioning ends, and the positioning teeth can rotate to a position clamped with tooth grooves of a sample gear positioned at one end of the positioning shaft.
9. The lathe work gear combination fixture according to claim 1, wherein the positioning shaft is formed with a second thread and a step at both ends, a nut is connected to the second thread of the positioning shaft, a clamping gap is formed between the nut and the step, and a blank and a sample gear are disposed in the two clamping gaps formed at both ends of the positioning shaft.
10. The turning gear combination jig according to claim 6, wherein an annular groove is provided in a middle portion of the positioning shaft, and a free end of the lock screw extends into the annular groove through the boss to restrict movement of the positioning shaft in an axial direction thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323235222.5U CN221269701U (en) | 2023-11-27 | 2023-11-27 | Lathe processing gear combination fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323235222.5U CN221269701U (en) | 2023-11-27 | 2023-11-27 | Lathe processing gear combination fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221269701U true CN221269701U (en) | 2024-07-05 |
Family
ID=91699745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323235222.5U Active CN221269701U (en) | 2023-11-27 | 2023-11-27 | Lathe processing gear combination fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221269701U (en) |
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2023
- 2023-11-27 CN CN202323235222.5U patent/CN221269701U/en active Active
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