CN211599329U - Separation transmission mechanism for transmitting power through rotary positioning - Google Patents
Separation transmission mechanism for transmitting power through rotary positioning Download PDFInfo
- Publication number
- CN211599329U CN211599329U CN201922053451.2U CN201922053451U CN211599329U CN 211599329 U CN211599329 U CN 211599329U CN 201922053451 U CN201922053451 U CN 201922053451U CN 211599329 U CN211599329 U CN 211599329U
- Authority
- CN
- China
- Prior art keywords
- positioning
- shaft
- pin
- pins
- driving shaft
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 238000000926 separation method Methods 0.000 title claims abstract description 10
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Images
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model discloses a separation drive mechanism through rotational positioning transmits power promotes servo motor and driving shaft through the double-stroke cylinder, and at the end of the first order stroke, servo motor is rotatory, realizes the thick location between driving shaft locating pin and the load axle pinhole, and the fine positioning between driving shaft rotating pin and the pinhole is realized to the second order stroke, then passes through rotating pin transmission power. The utility model discloses the precision is high, the reliability is high, and the implementation only need through thick location alright obtain the accurate positioning, has reduced the processing cost and has implemented the degree of difficulty, and the feasibility is high.
Description
Technical Field
The utility model relates to a separation drive mechanism especially relates to a separation drive mechanism who transmits power through rotational positioning.
Background
In reality, some transmission loads and power are separated and combined when necessary. When the power shaft is combined, the load and the power shaft are in an uncertain state due to free rotation, and if power is transmitted in a key and pin mode, the problems of accurate positioning of the key and the key hole and the pin hole exist. In some cases, when it is difficult to mount a sensor, a cylinder is used to push against a taper sleeve, and power is transmitted by using the friction force of the taper sleeve. However, the transmission mode has the greatest defect that the taper sleeve is easy to slip for a load with large moment of inertia and frequent forward and reverse rotation, so that the transmission precision and reliability are low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: aiming at the defects of the prior art, the separating transmission mechanism is not required to be accurately positioned, and has high reliability and high precision.
In order to achieve the above object, the utility model adopts the following technical scheme: a separation transmission mechanism for transmitting power through rotary positioning comprises a guide rail, a driving structure and a driven structure, wherein the driving structure comprises a fixed frame capable of moving along the guide rail, a driving shaft arranged on the fixed frame, a servo motor driving the driving shaft to rotate and a pushing device capable of pushing the fixed frame to move along the guide rail; the driven structure is a load shaft, one end of the load shaft is provided with a second rotating disc, and the second rotating disc is provided with pin holes corresponding to the positioning pins and the rotating pins of the driving shaft and is used for being connected with the first rotating disc of the driving shaft; the first rotating disc of the driving shaft is provided with a shaft sleeve for assembling a positioning pin, the positioning pin and the shaft sleeve are in clearance fit, and the positioning pin is assembled on the first rotating disc through a thrust gasket at one end and a compression spring at the other end.
As an improvement, the pushing device is a double-stroke cylinder, when the first-stage stroke of the double-stroke cylinder is pushed, the positioning pin firstly contacts the second rotating disc of the load shaft and is compressed, and when the second-stage stroke is pushed, the rotating pin is contacted with the load shaft.
The number of the positioning pins on the first rotating disc of the driving shaft is one, the number of the rotating pins is one, the positioning pins and the rotating pins are symmetrically distributed, and the pin holes in the second rotating disc of the load shaft are correspondingly arranged with the positioning pins and the rotating pins of the first rotating disc of the driving shaft.
Two pin holes which are symmetrically distributed on a second rotating disc of the load shaft have the same size.
The pin holes on the second rotating disc of the load shaft are matched with the positioning pins of the first rotating disc of the driving shaft in a large-gap mode, and the pin holes are matched with the rotating pins in a small-gap mode.
The double-stroke cylinder pushes the fixing frame to drive the servo motor and the driving shaft to approach to the driven shaft, at the end of the first-stage stroke, the servo motor rotates to realize coarse positioning between the positioning pin and the pin hole, and at the end of the second-stage stroke, fine positioning between the rotating pin and the pin hole is realized, and then power is transmitted through the rotating pin. The servo motor is arranged on the fixed frame, and the fixed frame can move back and forth along the guide rail under the action of the double-stroke cylinder to control the separation and combination of the servo motor and the load shaft. The shaft sleeve sleeved on the output shaft of the servo motor is provided with two symmetrically distributed pins with guide ends, namely a positioning pin and a rotating pin. The locating pin and the compression spring are matched for use and can freely slide in the shaft sleeve mounting hole. One end of the load shaft is provided with two pin holes which are symmetrically distributed and have the same size, the pin and the pin holes are correspondingly processed, the positioning pin and the rotating pin can be simultaneously inserted into the pin holes, but the positioning pin and the pin holes are matched in a large clearance manner, and the rotating pin and the pin holes are matched in a small clearance manner.
The utility model discloses a work like this, when separation drive mechanism need make up transmission power, thrust unit carries out the first order earlier promptly double-stroke cylinder and impels, and double-stroke cylinder promotes the mount, drives servo motor and takes the initiative and draws close to the driven shaft, and the locating pin is compressed after contacting with the terminal surface of load axle second rolling disc, and the terminal surface that the rolling pin had not contacted load axle second rolling disc at this moment yet. The servo motor starts to slowly drive the positioning pin to rotate, and when the positioning pin is overlapped with the pin hole of the load shaft, the positioning pin slides into the pin hole under the action of the compression spring, so that the load shaft is driven to rotate. At this time, the rotation pin approximately coincides with the corresponding pin hole position. At this point, the separating transmission mechanism completes the course of coarse positioning. The servo motor stops after rotating for a half circle, the double-stroke cylinder performs second-stage propulsion, the rotating pin directly slides into a pin hole of the load shaft by utilizing the function of automatic alignment of the guide end of the rotating pin, and the transmission mechanism is separated to complete the fine positioning process. Then the servo motor works formally, and power is transmitted to the load shaft through the rotating pin.
The utility model has the advantages that:
the utility model discloses a work like this, when separation drive mechanism need make up transmission power, thrust unit carries out the first order earlier promptly double-stroke cylinder and impels, and double-stroke cylinder promotes the mount, drives servo motor and takes the initiative and draws close to the driven shaft, and the locating pin is compressed after contacting with the terminal surface of load axle second rolling disc, and the terminal surface that the rolling pin had not contacted load axle second rolling disc at this moment yet. The servo motor starts to slowly drive the positioning pin to rotate, and when the positioning pin is overlapped with the pin hole of the load shaft, the positioning pin slides into the pin hole under the action of the compression spring, so that the load shaft is driven to rotate. At this time, the rotation pin approximately coincides with the corresponding pin hole position. At this point, the separating transmission mechanism completes the course of coarse positioning. The servo motor stops after rotating for a half circle, the double-stroke cylinder performs second-stage propulsion, the rotating pin directly slides into a pin hole of the load shaft by utilizing the function of automatic alignment of the guide end of the rotating pin, and the transmission mechanism is separated to complete the fine positioning process. Then the servo motor works formally, and power is transmitted to the load shaft through the rotating pin.
Compared with the prior art, the beneficial effects of the utility model are that the precision is high, the reliability is high, and the implementation only need through thick location alright obtain the accurate positioning, has reduced the processing cost and has implemented the degree of difficulty, and the feasibility is high.
Drawings
Fig. 1 is a schematic view of the structural principle of the present invention.
In the figure: 1. servo motor, 2, bolt, 3, thrust washer, 4, axle sleeve, 5, compression spring, 6, locating pin, 7, second rolling disc, 8, rolling pin, 9, two stroke cylinder, 10, mount, 11, guide rail, 12, driving shaft, 13, pinhole, 14, load axle, 15 first rolling disc.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and schematic or simplified schematic drawings only, not for the purpose of limiting the same, and not for the purpose of limiting the same; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "vertical", "horizontal", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is merely for convenience and simplicity of description, and it is not intended to indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, the terms describing the positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Furthermore, if terms such as "first," "second," etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, it will be apparent to those of ordinary skill in the art that the specific meanings of the above terms may be understood according to particular circumstances.
As shown in fig. 1, a separating transmission mechanism for transmitting power by rotational positioning includes a guide rail 11, a fixed frame 10 movable along the guide rail 11, a driving shaft 12 mounted on the fixed frame 10, a servo motor 1 for driving the driving shaft 12 to rotate, a double-stroke cylinder 9 for driving the fixed frame 10 to move along the guide rail 11, and a load shaft 14. The fixing frame 10, the driving shaft 12, the servo motor 1 and the double-stroke cylinder 9 form a driving structure, and the load shaft 14 is a driven structure.
One end of the driving shaft 12 is provided with a first rotating disc 15, and a positioning pin 6 and a rotating pin 8 are uniformly arranged on the first rotating disc 15 along the circumference; a second rotating disc 7 is arranged at one end of the load shaft 14, and pin holes 13 corresponding to the positioning pins 6 and the rotating pins 8 of the driving shaft 12 are formed in the second rotating disc 7 and are used for being connected with a first rotating disc 15 of the driving shaft 12; the first rotating disc 15 of the driving shaft 12 is provided with a shaft sleeve 4 for assembling a positioning pin 6, the positioning pin 6 is in clearance fit with the shaft sleeve 4, and the positioning pin 6 is assembled on the first rotating disc 15 through a thrust washer 3 at one end and a compression spring 5 at the other end.
The guide end of the rotating pin 8 is rounded, and the automatic alignment function is achieved.
The servo motor 1 provided with the motor shaft sleeve 4 and a piston rod of the double-stroke cylinder 9 are fixed on the fixing frame 10, the positioning pin 6 can freely slide in the motor shaft sleeve 4 under the action of the compression spring 5, and the bolt 2 and the thrust washer 3 are used for limiting the positioning pin 6 and preventing the positioning pin from falling off. The load shaft 14 is provided with two symmetrically distributed pin holes with the same size, and the positions of the pin holes and the pins are correspondingly processed. The pin hole is fitted with the positioning pin 6 with a large clearance, and fitted with the rotating pin 8 with a small clearance.
When the double-stroke air cylinder 9 works, the fixed frame 10 is pushed forwards along the guide rail 11 by a first-stage stroke, the positioning pin 6 slides backwards after contacting with the load shaft 14 and compresses the spring 5 to generate elastic force, and the rotating pin 8 fixed on the motor shaft sleeve 4 does not contact with the load shaft 14. The servo motor 1 starts to rotate slowly to drive the positioning pin 6 and the rotating pin 8 to rotate around the central line of the motor shaft sleeve 4. When the positioning pin 6 rotates to a position above a certain pin hole on the load shaft 14, the front end of the positioning pin 6 slides into the pin hole under the action of the compression spring 5, and then the load shaft 14 is driven to rotate. The servo motor 1 stops after rotating for a half circle, the double-stroke cylinder 9 pushes the fixing frame 10 forward for a second-stage stroke, the front end of the positioning pin 6 is propped by the load shaft 14 to slide backwards, and the rotating pin 8 is inserted into the other pin hole of the load shaft. Then the servo motor 1 rotates again, and the rotation pin 8 drives the load shaft 14 to rotate. After the work is finished, the double-stroke cylinder 9 drives the fixing frame 10 to retract backwards, and the positioning pin 6 and the rotating pin 8 are separated from the load shaft 14.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (5)
1. A separation transmission mechanism for transmitting power through rotary positioning is characterized by comprising a guide rail, a driving structure and a driven structure, wherein the driving structure comprises a fixed frame capable of moving along the guide rail, a driving shaft arranged on the fixed frame, a servo motor driving the driving shaft to rotate and a pushing device capable of pushing the fixed frame to move along the guide rail; the driven structure is a load shaft, one end of the load shaft is provided with a second rotating disc, and the second rotating disc is provided with pin holes corresponding to the positioning pins and the rotating pins of the driving shaft and is used for being connected with the first rotating disc of the driving shaft; the first rotating disc of the driving shaft is provided with a shaft sleeve for assembling a positioning pin, the positioning pin and the shaft sleeve are in clearance fit, and the positioning pin is assembled on the first rotating disc through a thrust gasket at one end and a compression spring at the other end.
2. The split drive mechanism for transferring power by rotational positioning as claimed in claim 1, wherein the pushing device is a two-stroke cylinder, the first stroke of the two-stroke cylinder is advanced, the positioning pin contacts the second rotating disc of the load shaft and is compressed, and the second stroke is advanced, the rotating pin contacts the load shaft.
3. The decoupling transmission for transmitting power by rotational positioning as set forth in claim 2, wherein the number of the positioning pins on the first rotary disk of the driving shaft is one, the number of the rotation pins is one, the positioning pins and the rotation pins are symmetrically distributed, and the pin holes on the second rotary disk of the load shaft are provided corresponding to the positioning pins and the rotation pins of the first rotary disk of the driving shaft.
4. A split drive mechanism for transferring power by rotational positioning as claimed in claim 3, wherein the two symmetrically disposed pin holes in the second rotatable disk of the load shaft are of the same size.
5. The decoupling transmission for transmitting power by rotational positioning as set forth in claim 4, wherein the pin holes on the second rotary disk of the load shaft are engaged with the positioning pins of the first rotary disk of the drive shaft with a large clearance and engaged with the rotation pins with a small clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922053451.2U CN211599329U (en) | 2019-11-25 | 2019-11-25 | Separation transmission mechanism for transmitting power through rotary positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922053451.2U CN211599329U (en) | 2019-11-25 | 2019-11-25 | Separation transmission mechanism for transmitting power through rotary positioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211599329U true CN211599329U (en) | 2020-09-29 |
Family
ID=72588962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922053451.2U Expired - Fee Related CN211599329U (en) | 2019-11-25 | 2019-11-25 | Separation transmission mechanism for transmitting power through rotary positioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211599329U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116119258A (en) * | 2023-03-03 | 2023-05-16 | 浙江欧胜智能装备有限公司 | Separated feed bin mechanism |
| CN117184815A (en) * | 2023-10-08 | 2023-12-08 | 江苏数科科技研究发展有限责任公司 | Industrial and mining equipment monitoring and early warning device based on industrial Internet of things |
-
2019
- 2019-11-25 CN CN201922053451.2U patent/CN211599329U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116119258A (en) * | 2023-03-03 | 2023-05-16 | 浙江欧胜智能装备有限公司 | Separated feed bin mechanism |
| CN117184815A (en) * | 2023-10-08 | 2023-12-08 | 江苏数科科技研究发展有限责任公司 | Industrial and mining equipment monitoring and early warning device based on industrial Internet of things |
| CN117184815B (en) * | 2023-10-08 | 2024-04-19 | 江苏数科科技研究发展有限责任公司 | Industrial and mining equipment monitoring and early warning device based on industrial Internet of things |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211599329U (en) | Separation transmission mechanism for transmitting power through rotary positioning | |
| CN108268809B (en) | Test tube rotary mechanism and test tube rotary code scanning device | |
| CN213628748U (en) | Linear module with simple structure | |
| CN101602309A (en) | A kind of propelling pencil digs | |
| CN111043446A (en) | Remote control robot for petroleum pipeline maintenance | |
| CN215949796U (en) | Plunger pump testing arrangement | |
| CN214534333U (en) | Driving piece strength amplifying structure | |
| CN112363093B (en) | Electrical plug overhauling device and overhauling method thereof | |
| CN214008124U (en) | Novel mechanical drive flashboard locking device | |
| CN210770084U (en) | Push rod rotating device | |
| CN112924148B (en) | Electromagnetic brake fatigue test device | |
| CN115728080A (en) | Torque loading device of pneumatic steering engine | |
| CN215811371U (en) | Electromagnetic brake detection platform | |
| CN206335576U (en) | A kind of lift dowel device | |
| CN221302952U (en) | Shear loading mechanism | |
| CN219513408U (en) | A coupling assembling for motor joint | |
| CN212572290U (en) | Transmission mechanism | |
| CN219736809U (en) | Clutch system simulation test bed | |
| CN221429263U (en) | Data processing terminal with protection mechanism | |
| CN221351234U (en) | Bridge surface crack marking device | |
| CN203132495U (en) | Position detection device of actuator | |
| CN218510035U (en) | Flexible coupling for air separation equipment | |
| CN221704340U (en) | Reciprocating motion transmission device | |
| CN219263031U (en) | Clutch mechanism | |
| CN207617841U (en) | A kind of Intelligent Mobile Robot with pole-climbing function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 |