CN220646556U - Torsion limiting rotation shaft workpiece transmission device - Google Patents
Torsion limiting rotation shaft workpiece transmission device Download PDFInfo
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- CN220646556U CN220646556U CN202322365161.8U CN202322365161U CN220646556U CN 220646556 U CN220646556 U CN 220646556U CN 202322365161 U CN202322365161 U CN 202322365161U CN 220646556 U CN220646556 U CN 220646556U
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- sleeve
- workpiece transmission
- friction
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 30
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- 125000006850 spacer group Chemical group 0.000 claims description 8
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- 238000000034 method Methods 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000010425 asbestos Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052895 riebeckite Inorganic materials 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a torsion limiting rotation shaft workpiece transmission device, which comprises: the center step shaft, the outer wall of center step shaft has cup jointed the main part sleeve, the positive fixedly connected with connecting sleeve of main part sleeve, driving gear is installed in the positive rotation of connecting sleeve, driving gear's front is provided with the friction disc, the front of friction disc is provided with the connection clamp plate, the front of connection clamp plate is provided with the belleville spring, the front of belleville spring is provided with locking gasket, locking gasket's front is provided with adjusting nut. According to the utility model, power is transmitted to the central stepped shaft through friction between the driving gear, the friction plate and the friction ring, the central stepped shaft rotates, the driving gear limits torque transmitted by the transmission system in a manner of sliding relative to the central stepped shaft, and the protection function is realized when the torque generated by vibration, overload or mechanical failure exceeds an initial set value in the rotation process.
Description
Technical Field
The utility model relates to the technical field of rotation shafts, in particular to a torsion limiting rotation shaft workpiece transmission device.
Background
In the prior art, a general vacuum equipment rotating frame only has one rotating state, namely, a rotating disc revolves and rotates along with a rotating shaft, however, with the development of a coating technology, fixed-point coating of a product needs to be carried out, and at the moment, the rotating disc needs to stop at a fixed point but the rotating shaft needs to keep rotating.
Through searching, the patent with the Chinese patent application number of 202223239770.0 discloses a concentric double-shaft vacuum sealing transmission device, which comprises: an inner shaft structure; an outer shaft structure movably connected with the outer shaft structure outside the inner shaft structure; one end of the inner shaft structure is connected with the rotary table; one end of the outer shaft structure is connected with the large gear; the large gear is meshed with the small gear, and the inner shaft structure drives the turntable to rotate; the outer shaft structure drives the turntable to revolve; the inner shaft structure and the outer shaft structure are arranged in the same bearing seat; the inner shaft structure and the outer shaft structure are arranged along the center of the same axis; the inner shaft structure further comprises: an inner shaft, which is arranged in the inner shaft structure; one end of the inner shaft is connected with the rotary table through a flat key; the inner shaft is connected through a bearing and penetrates into the bearing seat; the first synchronous belt pulley is fixedly connected to the other end of the inner shaft.
The above patent suffers from the following disadvantages: the device adopts an outer shaft structure movably connected with the outer side of an inner shaft structure; one end of the inner shaft structure is connected with the rotary table; one end of the outer shaft structure is connected with a large gear; the large gear is meshed with the small gear, and the inner shaft structure drives the rotation shaft to rotate; the inner shaft structure drives the turntable to revolve; however, in the actual use process, when the torque generated by vibration, overload or mechanical fault in the rotation process of the rotating shaft exceeds the initial set value, the corresponding change of the turntable is easily caused, so that the deviation of the coating work of the coating target is caused.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a torsion limiting rotation shaft workpiece transmission device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a torque limiting spindle workpiece drive comprising: the center step shaft, the outer wall of center step shaft has cup jointed the main part sleeve, the positive fixedly connected with connecting sleeve of main part sleeve, driving gear is installed in the positive rotation of connecting sleeve, driving gear's front is provided with the friction disc, the front of friction disc is provided with the connection clamp plate, the front of connection clamp plate is provided with the belleville spring, the front of belleville spring is provided with locking gasket, locking gasket's front is provided with adjusting nut.
As still further aspects of the utility model: the friction ring is installed on the front of the connecting sleeve, the adaptation draw-in groove has been seted up to drive gear's the back, the friction ring block is inside the adaptation draw-in groove.
As still further aspects of the utility model: the connecting sleeve is sleeved at the front end of the central stepped shaft, a threaded hole is formed in the front face of the central stepped shaft, and the adjusting nut is installed in the threaded hole in a threaded mode.
As still further aspects of the utility model: the back of the center stepped shaft is fixedly connected with a connecting threaded column, and the connecting threaded column is in threaded connection with a transmission shaft.
As still further aspects of the utility model: the outer wall of the connecting threaded column is provided with a connecting pin hole, a connecting pin rod is inserted into the connecting pin hole, and the connecting pin rod is clamped with the transmission shaft.
As still further aspects of the utility model: the middle part of center step shaft has cup jointed the spring spacer ring, the both ends of spring spacer ring all are provided with ceramic bearing.
As still further aspects of the utility model: the back thread of the main body sleeve is provided with a compression end cover, and the compression end cover is sleeved on the outer wall of the central stepped shaft.
Compared with the prior art, the utility model provides a torsion limiting rotation shaft workpiece transmission device, which has the following beneficial effects:
1. the torque limiting rotation shaft workpiece transmission device transmits power to the central stepped shaft through friction between the driving gear, the friction plate and the friction ring, the central stepped shaft rotates, the driving gear limits torque transmitted by the transmission system in a mode of sliding relative to the central stepped shaft, and the torque generated by vibration, overload or mechanical failure in the rotation process exceeds an initial set value to play a role in protection.
2. The torque limiting rotary shaft workpiece transmission device is characterized in that the pressure of a belleville spring is adjusted through an adjusting nut, and safe slip torque is preset; the friction plate is an inlet environment-friendly wear-resistant material without asbestos, and the disc spring can provide optimum surface load and axial pressure.
The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the device has a simple structure and is convenient to operate.
Drawings
FIG. 1 is a schematic perspective view of the overall assembly of the present utility model;
FIG. 2 is a schematic plan view of the overall assembled front face of the present utility model;
FIG. 3 is a schematic diagram of the structure of FIG. 2 according to the present utility model.
In the figure: 1. a central stepped shaft; 2. a main body sleeve; 3. a transmission shaft; 4. a connecting pin rod; 5. a drive gear; 6. a friction plate; 7. connecting a pressing plate; 8. a belleville spring; 9. a locking gasket; 10. an adjusting nut; 11. positioning the threaded hole; 12. a connecting sleeve; 13. a ceramic bearing; 14. a spring spacer ring; 15. compressing the end cover; 16. and connecting the threaded columns.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
A torque limiting spin shaft workpiece transmission, as shown in fig. 1-3, comprising: the center step shaft 1, the outer wall of center step shaft 1 has cup jointed main part sleeve 2, and the middle part of center step shaft 1 has cup jointed spring spacer ring 14, and the both ends of spring spacer ring 14 all are provided with ceramic bearing 13, and ceramic bearing 13's outer lane is fixed with main part sleeve 2's inner wall, and ceramic bearing 13's inner circle is fixed cup joints in the outer wall of center step shaft 1.
The back thread of main part sleeve 2 installs compresses tightly end cover 15, compresses tightly end cover 15 and cup joints in the outer wall of central step shaft 1, and compresses tightly the front and a ceramic bearing 13 laminating of end cover 15, and another ceramic bearing 13 is laminated with the front end section of thick bamboo wall of main part sleeve 2, under the effect of compressing tightly end cover 15, two ceramic bearings 13 compress tightly spring spacer ring 14.
The front integrated into one piece of main part sleeve 2 has connecting sleeve 12, and connecting sleeve 12 cup joints in the front end of central step shaft 1, and both set up to clearance fit, and the screw hole has been seted up in the front of central step shaft 1.
The front of the connecting sleeve 12 is rotatably provided with the driving gear 5, the front of the connecting sleeve 12 is provided with the friction ring, the back of the driving gear 5 is provided with the adapting clamping groove, and the friction ring is clamped in the adapting clamping groove.
The front surface of the driving gear 5 is provided with a friction plate 6, and the friction plate 6 is an inlet environment-friendly wear-resistant material without asbestos; the friction disc 6 is attached to the driving gear 5, a connecting pressing plate 7 is attached to the front face of the friction disc 6, a belleville spring 8 is arranged on the front face of the connecting pressing plate 7, a locking gasket 9 is arranged on the front face of the belleville spring 8, and an adjusting nut 10 is arranged on the front face of the locking gasket 9.
One end of an adjusting nut 10 penetrates through the anti-loose gasket 9, the belleville spring 8, the connecting pressing plate 7, the friction plate 6 and the driving gear 5, and is arranged in the threaded hole in a threaded mode.
The driving gear 5 is in transmission connection with the driving motor, and the power transmitted by the driving gear 5 is transmitted to the central stepped shaft 1 through the friction ring and the friction plate 6, so that the central stepped shaft 1 rotates.
The back of the central stepped shaft 1 is integrally formed with a connecting threaded column 16, and the connecting threaded column 16 is in threaded connection with a transmission shaft 3.
The front surface of the transmission shaft 3 is provided with a positioning threaded hole 11, and a connecting threaded column 16 is arranged in the positioning threaded hole 11 in a threaded manner; the outer wall of the connecting threaded column 16 is provided with a connecting pin hole, the inner wall of the positioning threaded hole 11 is provided with a pin rod clamping groove matched with the connecting pin hole, the inside of the connecting pin hole is inserted with a connecting pin rod 4, and two ends of the connecting pin rod 4 are clamped inside the pin rod clamping groove.
Working principle:
referring to fig. 1 to 3, the device is assembled as shown in fig. 1 and is assembled in a turntable for driving a coating target to move;
the driving motor is used for driving the driving gear 5, and the power transmitted by the driving gear 5 is transmitted to the central stepped shaft 1 through the friction ring and the friction plate 6, so that the central stepped shaft 1 rotates;
the central stepped shaft 1 drives the transmission shaft 3 to rotate through the connecting threaded column 16 and the connecting pin rod 4, and the transmission shaft 3 drives the turntable to rotate.
The driving gear 5 transmits power to the central stepped shaft 1 through the friction plate 6 and the friction ring, the central stepped shaft 1 rotates, the driving gear 5 limits the torque transmitted by the transmission system in a mode of sliding relatively to the central stepped shaft 1, and the protection function is realized when the torque generated by vibration, overload or mechanical failure exceeds an initial set value in the rotation process.
The pressure of the belleville spring 8 can be regulated through the regulating nut 10, and the safe slipping torque is preset; the friction plate 6 is an inlet environment-friendly wear-resistant material without asbestos, and the belleville spring 8 can provide the most suitable surface load and axial pressure.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. A torque limiting spindle workpiece transmission comprising: center step shaft (1), main part sleeve (2) have been cup jointed to the outer wall of center step shaft (1), the positive fixedly connected with connecting sleeve (12) of main part sleeve (2), driving gear (5) are installed in the positive rotation of connecting sleeve (12), driving gear (5) are provided with friction disc (6) in the front, the front of friction disc (6) is provided with connection clamp plate (7), the front of connection clamp plate (7) is provided with belleville spring (8), the front of belleville spring (8) is provided with locking gasket (9), the front of locking gasket (9) is provided with adjusting nut (10).
2. A torque limiting spin shaft workpiece transmission as recited in claim 1, wherein: the friction ring is installed on the front face of the connecting sleeve (12), the back face of the driving gear (5) is provided with an adapter clamping groove, and the friction ring is clamped inside the adapter clamping groove.
3. A torque limiting spin shaft workpiece transmission as recited in claim 1, wherein: the connecting sleeve (12) is sleeved at the front end of the central stepped shaft (1), a threaded hole is formed in the front face of the central stepped shaft (1), and the adjusting nut (10) is installed in the threaded hole in a threaded mode.
4. A torque limiting spin shaft workpiece transmission as recited in claim 1, wherein: the back of the center stepped shaft (1) is fixedly connected with a connecting threaded column (16), and the connecting threaded column (16) is in threaded connection with a transmission shaft (3).
5. A torque limiting spin shaft workpiece transmission as recited in claim 4, wherein: the outer wall of the connecting threaded column (16) is provided with a connecting pin hole, a connecting pin rod (4) is inserted into the connecting pin hole, and the connecting pin rod (4) is clamped with the transmission shaft (3).
6. A torque limiting spin shaft workpiece transmission as recited in claim 1, wherein: the middle part of center step shaft (1) has cup jointed spring spacer ring (14), the both ends of spring spacer ring (14) all are provided with ceramic bearing (13).
7. A torque limiting spin shaft workpiece transmission as recited in claim 1, wherein: the back thread of the main body sleeve (2) is provided with a compression end cover (15), and the compression end cover (15) is sleeved on the outer wall of the central stepped shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322365161.8U CN220646556U (en) | 2023-09-01 | 2023-09-01 | Torsion limiting rotation shaft workpiece transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322365161.8U CN220646556U (en) | 2023-09-01 | 2023-09-01 | Torsion limiting rotation shaft workpiece transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220646556U true CN220646556U (en) | 2024-03-22 |
Family
ID=90294799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322365161.8U Active CN220646556U (en) | 2023-09-01 | 2023-09-01 | Torsion limiting rotation shaft workpiece transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220646556U (en) |
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2023
- 2023-09-01 CN CN202322365161.8U patent/CN220646556U/en active Active
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