CN218678700U - Switching mechanism for electric cylinder and electric cylinder - Google Patents
Switching mechanism for electric cylinder and electric cylinder Download PDFInfo
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- CN218678700U CN218678700U CN202223020312.8U CN202223020312U CN218678700U CN 218678700 U CN218678700 U CN 218678700U CN 202223020312 U CN202223020312 U CN 202223020312U CN 218678700 U CN218678700 U CN 218678700U
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- switching
- switching wheel
- electric cylinder
- wheel
- screw rod
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 17
- 239000003638 chemical reducing agent Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 230000000630 rising effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses a switching mechanism and electronic jar for electronic jar. The switching mechanism for the electric cylinder comprises a switching wheel, a guide key and a locking device, wherein the switching wheel is used for being mounted on a lifting screw rod of the electric cylinder, the guide key and the locking device are both mounted on a sleeve of the electric cylinder, the guide key is vertically arranged, the guide key is used for being matched with the switching wheel, and the locking device is used for locking the switching wheel separated from the guide key; when the switching wheel is matched with the guide key, the guide key limits the switching wheel to rotate, so that the switching wheel is lifted along with the lifting screw rod of the electric cylinder; when the switching wheel is separated from the guide key, the switching wheel can rotate along with the lifting screw rod of the electric cylinder. The utility model discloses a switching mechanism for electronic jar can make electronic jar realize going up and down and rotatory.
Description
Technical Field
The utility model relates to an electronic jar technical field especially relates to a switching mechanism and electronic jar for electronic jar.
Background
The existing electric cylinder can only stretch out and draw back to drive a workpiece or equipment to lift, and under some special working conditions, when the workpiece or the equipment needs to rotate again after rising, a rotating mechanism needs to be added on the output end of the electric cylinder, so that the workpiece or the equipment can rotate again after rising.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a switching mechanism for electronic jar that can rise the back at rotatory.
In order to solve the above problems, the present invention provides a switching mechanism for an electric cylinder, comprising a switching wheel, a guide key and a locking device, wherein the switching wheel is used for being mounted on a lifting screw rod of the electric cylinder, the guide key and the locking device are both mounted on a sleeve of the electric cylinder, the guide key is vertically arranged, the guide key is used for being matched with the switching wheel, and the locking device is used for locking the switching wheel separated from the guide key; when the switching wheel is matched with the guide key, the guide key limits the switching wheel to rotate, so that the switching wheel is lifted along with the lifting screw rod of the electric cylinder; when the switching wheel is separated from the guide key, the switching wheel can rotate along with the lifting screw rod of the electric cylinder.
Furthermore, a guide groove is formed in the outer wall of the switching wheel and used for being matched with the guide key and the locking device.
Furthermore, the number of the guide grooves is even, and the guide grooves are uniformly distributed on the switching wheel.
Furthermore, a mounting groove is formed in the lower end face of the switching wheel and used for mounting a lifting screw rod.
Furthermore, a positioning hole is formed in the mounting groove, and the positioning part of the lifting screw rod is inserted into the positioning hole.
Furthermore, the positioning hole is polygonal.
Further, the locking device is a push-pull type electromagnet.
Furthermore, the locking device comprises a push-pull electromagnet, a lock pin and a push block, the push-pull electromagnet, the lock pin and a pull rod are all arranged on the sleeve, one end of the pull rod is hinged with an iron core of the push-pull electromagnet, and the other end of the pull rod is hinged with the lock pin.
In order to solve the above problem, the utility model also provides an electric cylinder, including the aforesaid a switching mechanism for electric cylinder.
The utility model discloses a switching mechanism and electronic jar for electronic jar utilize the cooperation of switching wheel and guide key and locker for the lift lead screw can rotate after rising to the predetermined position, thereby realize flexible and rotatory function, and an equipment both can realize, has reduced the equipment fixing under the pivoted condition again after needs rise.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of the electric cylinder of the present invention.
Fig. 2 is a schematic structural view of the drive mechanism.
Fig. 3 is a schematic view of the structure inside the sleeve.
Fig. 4 is a schematic structural view of the lifting screw rod when being stretched.
Fig. 5 is a partially enlarged view of a in fig. 4.
Fig. 6 is a schematic structural view of the switching wheel and the sleeve.
Fig. 7 is a schematic structural view of the switching wheel.
Fig. 8 is a bottom view of the switching wheel.
Fig. 9 is a schematic structural view of another embodiment of the switching wheel.
Fig. 10 is a schematic diagram of another real-time mode of the latch.
The meaning of the reference symbols in the drawings is:
the device comprises a driving mechanism 1, a servo motor 11, a speed reducer 12, a transmission mechanism 2, a coupler 21, a coupling box body 22, a transmission box body 23, a first shell 231, a second shell 232, a worm 24, a worm wheel 25, a lifting screw rod 3, a sleeve 4, a switching wheel 51, a guide groove 511, a mounting groove 512, a positioning hole 513, a guide key 52, a locking device 53, a push-pull electromagnet 531, a lock pin 532, a push block 533, a buffer mechanism 6, a thrust ball bearing 61 and a disc spring 62.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example 1
As shown in fig. 1 to 3, the preferred embodiment of the electric cylinder of the present invention includes a driving mechanism 1, a transmission mechanism 2, a lifting screw rod 3, a sleeve 4, a switching mechanism and a buffer mechanism 6, wherein the driving mechanism 1 is connected to the transmission mechanism 2, the driving mechanism 1 is used for driving the transmission mechanism 2, the transmission mechanism 2 is connected to the lifting screw rod 3, the transmission mechanism 2 is used for driving the lifting screw rod 3 to rotate, the lifting screw rod 3 is located in the sleeve 4, the switching mechanism is installed on the lifting screw rod 3, and the switching mechanism is used for switching the motion state of the lifting screw rod 3. When the lifting screw rod 3 moves to a preset position in the sleeve 4, the switching mechanism changes the motion state of the lifting screw rod 3 and switches from linear motion to rotary motion, and when the switching mechanism is self-locked, the lifting screw rod 3 is switched from rotary motion to linear motion. The buffer mechanism 6 is arranged in an installation cavity formed by the sleeve 4 and the transmission mechanism 2, the buffer mechanism 6 is used for buffering the torsion generated when the lifting screw rod 3 is switched from linear motion to rotary motion, and meanwhile, the buffer mechanism 6 can also buffer the abrasion of the transmission mechanism 2.
The power mechanism comprises a servo motor 11 and a speed reducer 12, an output shaft of the servo motor 11 is installed on an input end of the speed reducer 12, and an output end of the speed reducer 12 is connected with the transmission mechanism 2. The servo motor 11 drives the reducer 12, and the reducer 12 is used to reduce the rotation speed of the servo motor 11 and increase the torque of the servo motor.
The transmission mechanism 2 comprises a coupler 21, a coupler box body 22, a transmission box body 23, a worm 24 and a worm wheel 25, the coupler box body 22 is fixed with the transmission box body 23, and the coupler box body 22 is installed on a speed reducer 12 of the power mechanism. The coupler 21 is installed in the coupler box 22, one end of the coupler 21 is connected with the output end of the speed reducer 12 in the power mechanism, and the other end of the coupler 21 is fixed with the worm 24. The worm 24 and the worm wheel 25 are both rotatably arranged in the transmission box body 23, the worm 24 is meshed with the worm wheel 25, and the worm wheel 25 is spirally arranged on the lifting screw rod 3. The coupling 21 transmits the power of the power mechanism to the worm 24, the worm 24 rotates to drive the worm wheel 25 to rotate, and the worm wheel 25 rotates to drive the lifting screw rod 3 to rotate or move.
The transmission case 23 includes a first housing 231 and a second housing 232, the first housing 231 is used for mounting the worm 24 and the worm wheel 25, the second housing 232 is used for mounting the worm wheel 25, and the second housing 232 is fixed on the first housing 231. Be equipped with first mounting groove 512 on the sleeve 4, be provided with second mounting groove 512 on the second casing 232, first mounting groove 512 and second mounting groove 512 form the installation cavity, buffer gear 6 establishes in the installation cavity.
Referring to fig. 4 to 6, the switching mechanism includes a switching wheel 51, a guide key 52 and a lock 53, and the switching wheel 51 is fixed on the elevation screw 3. The guide keys 52 are mounted on the sleeve 4, the guide keys 52 are vertically arranged, two guide keys 52 are symmetrically arranged, and the guide keys 52 are used for being matched with the switching wheel 51; when the guide key 52 is matched with the switching wheel 51, the lifting screw rod 3 keeps moving up and down linearly under the driving of the worm wheel 25, and the switching wheel 51 also keeps moving linearly; when the guide key 52 is separated from the switching wheel 51, the lifting screw rod 3 can rotate under the driving of the worm wheel 25, and the switching wheel 51 also rotates along with the lifting screw rod 3. The locking device 53 is mounted on the sleeve 4, the locking device 53 is positioned above the guide key 52, and the locking device 53 is used for locking the switching wheel 51 which is disengaged from the guide key 52 so as to realize self-locking. The distance between the lock 53 and the guide key 52 is smaller than the height of the switching wheel 51, so that the switching wheel 51 can be engaged with the guide key 52 before being separated from the lock 53 while ensuring that the lock 53 locks the switching wheel 51.
As shown in fig. 7 and 8, four guide grooves 511 are formed in the outer wall of the switching wheel 51, the four guide grooves 511 are uniformly distributed on the outer wall of the switching wheel 51, the locking device 53 is inserted into the guide grooves 511 to lock the switching wheel 51, that is, the switching wheel 51 cannot rotate, when the guide key 52 is located in the guide groove 511, the switching wheel 51 cannot rotate, so that the lifting screw rod 3 cannot rotate, and only can keep moving up and down; in other real-time modes, only two guide slots 511 may be provided, or more guide slots 511 (as shown in fig. 9) may be provided, the angle between the guide slots 511 and the guide slots 511 is the base number of the rotation angle of the lifting screw rod 3, that is, the base number of the rotation of the switching wheel 51 shown in fig. 7 is 90 °, the rotation angle of the lifting screw rod 3 can only be an integer multiple of 90 °, such as 180 ° or 270 °, and the like, and the smaller the angle between the guide slots 511 and the guide slots 511 is, the smaller the base number of the rotation angle of the lifting screw rod 3 is, which can meet the requirements of different angles, and generally, the number of the guide slots 511 is two, which can ensure the balance of the lifting screw rod 3. The lower end face of the switching wheel 51 is provided with an installation groove 512, the lifting screw rod 3 is arranged in the installation groove 512, the switching wheel 51 is locked with the lifting screw rod 3 through a fastener, a positioning hole 513 is arranged in the installation groove 512, a positioning part of the lifting screw rod 3 is inserted into the positioning hole 513, the positioning hole 513 is rectangular so as to ensure that the lifting screw rod 3 and the switching wheel 51 deflect, and in other real-time modes, the positioning hole 513 can be in other shapes as long as the shape is polygonal.
The locking device 53 is a push-pull electromagnet 531, and the push-pull electromagnet 531 needs to be kept normally open, i.e. the iron core needs to be kept in a retracted state.
As shown in fig. 3 and 5, the buffer mechanism 6 includes a thrust ball bearing 61 and a disc spring 62, the thrust ball bearing 61 is mounted on the transmission case 23, the disc spring 62 is disposed on the thrust ball bearing 61, and the disc spring 62 is sleeved on the lifting screw rod 3. When the switching wheel 51 is separated from the guide key 52, the disc spring 62 is in contact with the lower end surface of the switching wheel 51, and the disc spring 62 can buffer the torque which is instantly raised when the switching wheel 51 is in contact with the disc spring, so that the servo motor 11 can be prevented from being burnt out. The thrust ball bearing 61 is used for enabling the switching wheel 51 to rotate more smoothly, so that the switching wheel 51 can be prevented from directly contacting with a transmission case, abrasion is reduced, and the service life of the switching mechanism is prolonged.
When the lifting screw rod 3 needs to ascend, the servo motor 11 drives the worm 24 to rotate, the worm 24 drives the worm wheel 25 to rotate, and the lifting screw rod 3 moves upwards under the driving of the worm wheel 25 and the limitation of the matching of the switching wheel 51 and the guide key 52. When the lifting screw rod needs to ascend and rotate, the servo motor 11 drives the lifting screw rod 3 until the switching wheel 51 is separated from the guide key 52, then the servo motor 11 continues to drive, and the lifting screw rod 3 rotates to a preset angle. When resetting is required, the servo motor 11 rotates reversely, the locking device 53 is inserted into the guide slot 511 of the switching wheel 51 to lock the switching wheel 51, so that the switching wheel 51 cannot rotate, and the worm wheel 25 drives the lifting screw rod 3 to move downwards for resetting. The lifting device realizes rotation after lifting, reduces the use of equipment and reduces the cost.
Example 2
As shown in fig. 10, the present embodiment is different from embodiment 1 in the structure of the lock 53. The locking device 53 comprises a push-pull electromagnet 531, a lock pin 532 and a push block 533, the push-pull electromagnet 531, the lock pin 532 and a pull rod are all arranged on the sleeve 4, one end of the pull rod is hinged with an iron core of the push-pull electromagnet 531, and the other end of the pull rod is hinged with the lock pin 532. When the switching wheel 51 needs to be locked, the push-pull electromagnet 531 pulls the pull rod, the pull rod pushes the lock pin 532 to extend out of the sleeve 4 and into the guide groove 511, and in the embodiment, the push-pull electromagnet 531 can be normally closed, namely, is not electrified when not used, so that the electricity can be saved.
The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings are directly or indirectly applied to other related technical fields, all the same principle is within the patent protection scope of the present invention.
Claims (9)
1. A switching mechanism for an electric cylinder, characterized in that: the switching mechanism comprises a switching wheel, a guide key and a locking device, wherein the switching wheel is used for being mounted on a lifting screw rod of an electric cylinder, the guide key and the locking device are both mounted on a sleeve of the electric cylinder, the guide key is vertically arranged and is used for being matched with the switching wheel, and the locking device is used for locking the switching wheel separated from the guide key; when the switching wheel is matched with the guide key, the guide key limits the switching wheel to rotate, so that the switching wheel is lifted along with the lifting screw rod of the electric cylinder; when the switching wheel is separated from the guide key, the switching wheel can rotate along with the lifting screw rod of the electric cylinder.
2. The switching mechanism for electric cylinders according to claim 1, wherein: the outer wall of the switching wheel is provided with a guide groove, and the guide groove is used for being matched with the guide key and the locking device.
3. The switching mechanism for electric cylinders according to claim 2, wherein: the number of the guide grooves is even, and the guide grooves are uniformly distributed on the switching wheel.
4. The switching mechanism for electric cylinders according to claim 1, wherein: and a mounting groove is formed below the switching wheel and used for mounting a lifting screw rod.
5. The switching mechanism for electric cylinders according to claim 4, wherein: the mounting groove is internally provided with a positioning hole, and the positioning part of the lifting screw rod is inserted into the positioning hole.
6. The switching mechanism for electric cylinders according to claim 5, wherein: the positioning hole is polygonal.
7. The switching mechanism for electric cylinders according to claim 1, wherein: the locking device is a push-pull type electromagnet.
8. The switching mechanism for electric cylinders according to claim 1, wherein: the locking device comprises a push-pull electromagnet, a lock pin and a push block, the push-pull electromagnet, the lock pin and a pull rod are all arranged on the sleeve, one end of the pull rod is hinged with an iron core of the push-pull electromagnet, and the other end of the pull rod is hinged with the lock pin.
9. An electric cylinder, characterized in that: a switching mechanism for an electric cylinder comprising any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223020312.8U CN218678700U (en) | 2022-11-14 | 2022-11-14 | Switching mechanism for electric cylinder and electric cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223020312.8U CN218678700U (en) | 2022-11-14 | 2022-11-14 | Switching mechanism for electric cylinder and electric cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218678700U true CN218678700U (en) | 2023-03-21 |
Family
ID=85535839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223020312.8U Active CN218678700U (en) | 2022-11-14 | 2022-11-14 | Switching mechanism for electric cylinder and electric cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218678700U (en) |
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2022
- 2022-11-14 CN CN202223020312.8U patent/CN218678700U/en active Active
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