CN220739697U - Clamp for machining internal gear - Google Patents
Clamp for machining internal gear Download PDFInfo
- Publication number
- CN220739697U CN220739697U CN202321530286.5U CN202321530286U CN220739697U CN 220739697 U CN220739697 U CN 220739697U CN 202321530286 U CN202321530286 U CN 202321530286U CN 220739697 U CN220739697 U CN 220739697U
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- CN
- China
- Prior art keywords
- driving wheel
- internal gear
- plate
- wheel
- mounting
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- 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.)
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Links
- 238000003754 machining Methods 0.000 title claims description 19
- 239000006247 magnetic powder Substances 0.000 claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Abstract
A clamp for processing an internal gear comprises a supporting seat with a T-shaped structure, wherein a horizontal plate is a bottom plate, a vertical plate is a mounting plate, and the mounting plate is provided with two mounting holes on the same horizontal line; the driving wheel and the driven wheel are respectively arranged in the mounting hole, the driving wheel is meshed with the driven wheel through an external gear, and a wheel shaft of the driving wheel is connected with the shaft rod of the driven wheel through a bearing; the inner gear to be processed is fixed on the end face of the outer gear of the driving wheel and is coaxial with the driving wheel; the shaft lever of the driven wheel is connected with a hollow shaft type magnetic powder brake; the bottom plate is fixedly connected with a movable supporting plate of the machine tool, and a machine tool rotating shaft is opposite to an internal gear to be machined, which is fixed on the driving wheel. The fixture capable of clamping the internal gear is designed, the fixture is connected with the movable supporting plate of the old machine tool, so that the old machine tool can carry out tooth extrusion processing on the internal gear part, and the rotary braking of the workpiece is completed through the hollow magnetic powder vibrator after the processing is completed. The utility model has simple clamping and rapid processing, and greatly reduces the production cost.
Description
Technical Field
The utility model belongs to machine tool equipment, and particularly relates to a clamp for machining an internal gear.
Background
With the rapid development of machine manufacturing, various manufacturing machine tools are updated rapidly, and various old machine tool equipment is gradually increased along with the rapid updating, and at present, one type of old machine tools is provided with a rotating shaft for clamping a tool and a supporting plate for driving an internal gear to be machined, and the machining precision can meet the requirement of use, but only turning machining is performed, so that the machining range of parts is limited.
In tooth form processing, one type of internal gear part is affected by the hardness of the material, and tooth form can be produced by means of tooth extrusion processing.
By combining the characteristics of the old machine tool and the mode of processing the parts of the internal gear, the purposes of improving the old machine tool, expanding the processing capacity and saving the production cost of enterprises can be realized by only designing a set of clamp capable of clamping the internal gear to be processed.
Disclosure of Invention
In view of the above, the utility model provides a fixture for processing an internal gear, which can help the internal gear to carry out stable clamping through a simple structure, and achieves the aim of saving production cost.
The technical scheme adopted by the utility model is as follows: a fixture for machining an internal gear, comprising a support seat, characterized in that: the supporting seat is of a T-shaped structure, the horizontal plate is a bottom plate of the supporting seat, the vertical plate is a mounting plate of the supporting seat, and the mounting plate is provided with two mounting holes at intervals on the same horizontal line; the driving wheel and the driven wheel are respectively arranged in the two mounting holes, the external gears of the driving wheel and the driven wheel are meshed, and the axle of the driving wheel and the axle rod of the driven wheel are respectively connected with the mounting holes through bearings; the internal gear to be processed is fixed on the end face of the external gear of the driving wheel, and is coaxial with the driving wheel; the shaft lever of the driven wheel is connected with a hollow shaft type magnetic powder brake; the bottom plate of the supporting seat is fixedly connected with the movable supporting plate of the machine tool, and the rotating shaft of the machine tool is opposite to the internal gear to be processed, which is fixed on the driving wheel.
Further, the mounting hole connected with the driving wheel on the mounting plate is a step hole penetrating through the plate surface, the external gear of the driving wheel is positioned at the front side of the mounting plate, and the wheel shaft of the driving wheel penetrates through the step hole and extends out of the rear side of the mounting plate; two groups of single-row radial thrust ball bearings are arranged between the front section wheel shaft close to the external gear and the step hole, and a gasket retaining interval is arranged between the two groups of single-row radial thrust ball bearings; the rear section wheel axle is in clearance fit with the step hole; the rear end of the wheel shaft extending out of the step hole is provided with a locating pin, and the locating pin is vertically arranged on the wheel shaft.
Further, a circle of threaded holes penetrating through the plate surface are formed in the periphery of the mounting hole of the mounting plate, which is connected with the driven wheel, a circle of connecting holes corresponding to the threaded holes are formed in the hollow magnetic powder brake, the hollow shaft type magnetic powder brake is located at the rear side of the mounting plate and is fixedly connected with the mounting plate through bolts extending into the threaded holes and the connecting holes, and a shaft rod of the driven wheel extends out of the mounting hole and is connected with the hollow shaft type magnetic powder brake through a flat key.
Further, the driving wheel is fixed with the internal gear to be processed through a connecting disc, and the external gear of the driving wheel is provided with a circular groove on the end face; the connecting disc is embedded into the circular groove and fixedly connected with the driving wheel through a screw; the end face of the connecting disc is provided with a groove capable of accommodating an internal gear to be processed, and the internal gear to be processed is embedded into the groove of the end face of the connecting disc and fixed through a screw.
Further, an adjusting bottom plate is arranged below the bottom plate of the supporting seat, and the bottom of the adjusting bottom plate is fixed with a movable supporting plate of the machine tool.
The beneficial effects of the utility model are as follows: the fixture capable of clamping the internal gear is designed, the fixture is connected with the movable supporting plate of the old machine tool, so that the old machine tool can carry out tooth extrusion processing on the internal gear part, and the rotary braking of the workpiece is completed through the hollow magnetic powder vibrator after the processing is completed. The utility model has simple clamping and rapid processing, and greatly reduces the production cost.
Drawings
Fig. 1 is a top view of the present utility model.
Fig. 2 is a cross-sectional view of A-A of fig. 1.
Fig. 3 is a sectional view of B-B of fig. 1.
Fig. 4 is a schematic structural view of the bearing support of the present utility model.
In the figure: 1. the magnetic powder brake comprises an adjusting bottom plate, 2, a supporting seat, 3, screws, 4, an internal gear to be processed, 5, a connecting disc, 6, a driving wheel, 7, an external driving gear, 8, a wheel shaft, 9, a single-row centripetal thrust ball bearing, 10, a gasket, 11, a locating pin, 12, a driven wheel, 13, an external driven gear, 14, a shaft lever, 15, a bottom plate, 16, a mounting plate, 17, a mounting hole, 18, a stepped hole, 19, a threaded hole, 20, a bolt, 21, a hollow shaft type magnetic powder brake, 22 and a flat key.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 4, a fixture for machining an internal gear includes a T-shaped support base 2 composed of a horizontal plate and a vertical plate. The horizontal plate is a bottom plate 15 of the supporting seat 2, and the bottom plate 15 is fixedly connected with a movable supporting plate of the machine tool; the riser is the mounting plate 16 of the support block 2. Two mounting holes 17 are provided at intervals on the same horizontal line of the mounting plate 16. The driving wheel 6 comprises a driving external gear 7 and a wheel shaft 8 perpendicular to the axis. The driven wheel 12 includes a driven external gear 13 and a shaft 14 perpendicular to the shaft center. The axle 8 of the driving wheel 6 and the shaft 14 of the driven wheel 12 are connected with two mounting holes 17 through bearings, respectively. The bearing can be a single-row radial thrust ball bearing 9. The driving external gear 7 and the driven external gear 13 mesh. The internal gear to be processed 4 is fixed on the end face of the external gear drive 7, and the internal gear to be processed 4 is coaxial with the drive wheel 6. The shaft 14 of the driven wheel 12 is also connected to a hollow shaft type magnetic powder brake 21. A hollow shaft type magnetic powder brake 21 is fixed to the rear side of the mounting plate 16 for adding damping to the driven wheel 12 and thus braking the internal gear processing on the driving wheel 6. The spindle of the old machine tool can hold a tool, and the tool is located opposite to the machining surface of the internal gear 4 to be machined and is used for performing tooth extrusion machining.
As shown in fig. 2 and 4, the mounting hole 17 for connecting the driving wheel 6 to the mounting plate 16 is a stepped hole 18 penetrating the plate surface. The driving external gear 7 of the driving wheel 6 is positioned at the front side of the mounting plate 16, and the wheel axle 8 of the driving wheel 6 extends out of the rear side of the mounting plate 16 through the stepped hole 18. Two groups of single-row radial thrust ball bearings 9 are arranged between the front section wheel shaft 8 close to the driving external gear 7 and the step hole 18, and a gasket 10 is arranged between the two groups of single-row radial thrust ball bearings 9 to keep a gap. The rear wheel axle 8 is in clearance fit with the stepped bore 18. A locating pin 11 is arranged at the rear end of the wheel shaft 8 extending out of the step hole 18, and the locating pin 11 is vertically arranged on the wheel shaft 8.
As shown in fig. 3 and 4, a circle of screw holes 19 penetrating the plate surface are formed around the mounting hole 17 of the mounting plate 16 to which the driven wheel 12 is connected. The hollow shaft type magnetic powder brake 21 is provided with a circle of connecting holes corresponding to the threaded holes 19. The hollow shaft type magnetic powder brake 21 is located at the rear side of the mounting plate 16, and the hollow shaft type magnetic powder brake 21 is fixedly connected with the mounting plate 16 through bolts 20 extending into the threaded holes 19 and the connecting holes. The shaft 14 of the driven wheel 12 protrudes from the mounting hole 17 and is connected with a hollow shaft type magnetic powder brake 21 through a flat key 22.
As shown in fig. 1, the driving wheel 6 and the internal gear 4 to be processed are fixed through a connecting disc 5, and the driving external gear 7 is provided with a circular groove on the end surface. The connecting disc 5 is embedded in the circular groove and is fixedly connected with the driving wheel 6 through the screw 3. The end face of the connecting disc 5 is provided with a groove which can accommodate the internal gear 4 to be processed, and the internal gear 4 to be processed is embedded into the groove of the end face of the connecting disc 5 and is fixed through the screw 3.
The function of the connecting disc 5 is to be detachable and replaceable according to the shape of the internal gear 4 to be machined, so that the clamp can be suitable for different types of internal gears 4 to be machined.
As shown in fig. 1, an adjusting bottom plate 1 is arranged below a bottom plate 15 of the supporting seat 2, and the bottom of the adjusting bottom plate 1 is fixed with a movable supporting plate of the machine tool. The adjusting bottom plate 1 is provided with a plurality of screw holes, and the bottom plate 15 of the supporting seat 2 is in threaded connection with the adjusting bottom plate 1, so as to play a role in conveniently adjusting the position of the clamp on the movable supporting plate.
When the machine tool is used, the clamp is connected with the movable supporting plate of the machine tool through the bottom plate 15, the gear 4 to be machined is fixed with the driving wheel 6, the cutter of the rotating shaft of the machine tool is placed on the machining surface of the internal gear 4 to be machined, the machine tool is started, the rotating shaft drives the cutter to rotate, and meanwhile, the movable supporting plate drives the clamp to integrally move, so that the extrusion machining of the internal gear to be machined by the machine tool is realized. After the machining is completed, the rotating shaft of the machine tool is stopped, and the driven wheel 12 gradually stops rotating under the braking of the hollow shaft type magnetic powder brake 21, so that the internal gear 4 to be machined fixed with the driving wheel 6 stops rotating until the internal gear is completely stopped.
It should be noted that the tool can be clamped by the machine tool rotating shaft and the supporting plate capable of being moved by the machine tool are common technologies in the mechanical field, and most importantly, under the clamping of the utility model, the internal gear to be machined can be subjected to tooth extrusion machining on an old machine tool under the driving of the clamp by the machine tool rotating shaft, the tool and the moving supporting plate.
Claims (5)
1. A fixture for machining an internal gear, comprising a support seat, characterized in that: the supporting seat is of a T-shaped structure, the horizontal plate is a bottom plate of the supporting seat, the vertical plate is a mounting plate of the supporting seat, and the mounting plate is provided with two mounting holes at intervals on the same horizontal line; the driving wheel and the driven wheel are respectively arranged in the two mounting holes, the external gears of the driving wheel and the driven wheel are meshed, and the axle of the driving wheel and the axle rod of the driven wheel are respectively connected with the mounting holes through bearings; the internal gear to be processed is fixed on the end face of the external gear of the driving wheel, and is coaxial with the driving wheel; the shaft lever of the driven wheel is connected with a hollow shaft type magnetic powder brake; the bottom plate of the supporting seat is fixedly connected with the movable supporting plate of the machine tool, and the rotating shaft of the machine tool is opposite to the internal gear to be processed, which is fixed on the driving wheel.
2. A fixture for machining an internal gear as claimed in claim 1, wherein: the mounting plate is provided with a mounting hole connected with the driving wheel, the mounting hole is a step hole penetrating through the plate surface, an external gear of the driving wheel is positioned at the front side of the mounting plate, and an axle of the driving wheel passes through the step hole and extends out of the rear side of the mounting plate; two groups of single-row radial thrust ball bearings are arranged between the front section wheel shaft close to the external gear and the step hole, and a gasket retaining interval is arranged between the two groups of single-row radial thrust ball bearings; the rear section wheel axle is in clearance fit with the step hole; the wheel axle is provided with a locating pin at the rear end penetrating through the step hole, and the locating pin is vertically arranged on the wheel axle.
3. A fixture for machining an internal gear as claimed in claim 1, wherein: the hollow shaft type magnetic powder brake is positioned at the rear side of the mounting plate and fixedly connected with the mounting plate through bolts extending into the threaded holes and the connecting holes, and a shaft rod of the driven wheel extends out of the mounting hole and is connected with the hollow shaft type magnetic powder brake through a flat key.
4. A fixture for machining an internal gear as claimed in any one of claims 1 to 3, wherein: the driving wheel is fixed with the internal gear to be processed through a connecting disc, and the external gear of the driving wheel is provided with a circular groove on the end face; the connecting disc is embedded into the circular groove and fixedly connected with the driving wheel through a screw; the end face of the connecting disc is provided with a groove capable of accommodating an internal gear to be processed, and the internal gear to be processed is embedded into the groove of the end face of the connecting disc and fixed through a screw.
5. A fixture for machining an internal gear as claimed in claim 1, wherein: an adjusting bottom plate is arranged below the bottom plate of the supporting seat, and the bottom of the adjusting bottom plate is fixed with a movable supporting plate of the machine tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321530286.5U CN220739697U (en) | 2023-06-15 | 2023-06-15 | Clamp for machining internal gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321530286.5U CN220739697U (en) | 2023-06-15 | 2023-06-15 | Clamp for machining internal gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220739697U true CN220739697U (en) | 2024-04-09 |
Family
ID=90548775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321530286.5U Active CN220739697U (en) | 2023-06-15 | 2023-06-15 | Clamp for machining internal gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220739697U (en) |
-
2023
- 2023-06-15 CN CN202321530286.5U patent/CN220739697U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |