CN201714932U - Screw driving positioning device - Google Patents
Screw driving positioning device Download PDFInfo
- Publication number
- CN201714932U CN201714932U CN201020192752XU CN201020192752U CN201714932U CN 201714932 U CN201714932 U CN 201714932U CN 201020192752X U CN201020192752X U CN 201020192752XU CN 201020192752 U CN201020192752 U CN 201020192752U CN 201714932 U CN201714932 U CN 201714932U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- protruding position
- motor
- transmission nut
- rotation
- 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 - Lifetime
Links
Images
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model relates to a screw driving positioning device, which adopts a common motor to prevent self-locking phenomenon between a nut and a screw. The screw driving positioning device comprises a screw, a driving nut, and a linear reciprocating movement mechanism. A left position limiting stopper and a right position liming stopper are fixed on the left side and the right side of the screw respectively. The side surface of the left rotation bulge position on the screw is rotatably butted against the side surface of the left positioning bulge position to stop rotation, so as to achieve positioning between the screw and the driving nut. An anti-locking gap is formed between the nut and the left position liming stopper, so that the screw and the driving nut will not be locked, and the screw and the driving nut can easily operate by reverse rotation of the motor. The screw driving positioning device can achieve connection and linear reciprocating movement through generating intermittent or continuous pulse current at set time to control the forward rotation and reverse rotation of a common direct-current or alternating-current motor.
Description
Technical field
This novel spiral transmission positioning device that relates in the mechanical field refers in particular to a kind of spiral transmission positioning device that adopts common electric machine just can realize preventing nut and screw rod locking phenomenon.
Background technique
The structure of existing round linear motion device is a lot, commonly used a kind of be to adopt the spiral between screw rod and the nut to realize the straight line transmission, existing screw thread drive positioning unit, its structure mostly is that the positive and negative rotation of employing driven by motor screw rod makes the nut straight line motion on the screw rod, but the straight-line location of nut is a difficult problem, easily produces the locking situation when nut moves to the block of screw rod one side, be that nut and block are locked, locked power often can't be worked greater than the warping force of motor.In the prior art, in order to overcome this difficult problem, adopted the number of turns of the rotation that high stepper motor of precision height, cost or actuating motor control screw rod, thereby nut and block are come in contact avoids both locked, but because stepper motor and supporting control chip cost are higher, volume is bigger, makes the application of spiral transmission positioning device be subjected to restriction.
Summary of the invention
This novel purpose is exactly a kind of spiral transmission positioning device that adopts common electric machine just can realize preventing nut and screw rod locking phenomenon that provides at the deficiencies in the prior art part.
For achieving the above object, this novel technological scheme is: a kind of spiral transmission positioning device, include: screw rod, transmission nut, the linear reciprocating mechanism that is fixed together with transmission nut, the transmission nut screw thread is combined on the screw rod and transmission nut is radially fixed, and is fixed with left limit block and right limit block respectively at the two ends, the left and right sides of described screw rod;
One end of described screw rod is fixedlyed connected with the output terminal of motor, provides the control circuit of motor pulses Current Control motor gap or clockwise and anticlockwise continuously to be connected with motor by set time; The left and right sides face of described transmission nut is respectively equipped with the protruding position in protruding position, location, a left side and right location; Described left limit block is provided with the rotation salient point that departs from the screw rod axle center, and the protruding position of anticlockwise is being on the same circumference at center with the screw rod axle center with protruding position, location, a left side; Described right limit block is provided with the protruding position of the right rotation that departs from the screw rod axle center, and the protruding position in protruding position of right rotation and right location is being on the same circumference at center with the screw rod axle center;
When motor is just changeing when making transmission nut arrive the left end positioning states, the side rotation of the protruding position of the anticlockwise on the screw rod is supported on the side that is located at protruding position, location, a left side and is stopped operating, and transmission nut and left limit block have the gap of anti-locking so that screw rod reverse rotation at any time;
When motor counter-rotating made transmission nut arrive the right-hand member positioning states, the side rotation of the protruding position of the right rotation on the screw rod was supported on the side that is located at protruding position, right location and is stopped operating, and transmission nut and right limit block have the gap of anti-locking.
The common DC motor of described motor for rotating forward or backwards by Current Control screw rod forward or backwards.
The common AC motor of described motor for rotating forward or backwards by phase transformation control screw rod.
Described transmission nut, protruding position, location, a left side, protruding position, right location and linear reciprocating mechanism are one-body molded.
After adopting said structure, this novel side rotation by the protruding position of the anticlockwise on the screw rod stops operating on the side that is located at the protruding position, location, a left side on the transmission nut, and this moment, nut and left limit block have the gap of anti-locking, like this, screw rod and transmission nut just can not be locked, the motor counter-rotating just can easily be worked, in like manner, the right-hand member of screw rod and transmission nut also has same structure, and therefore, this novel needs conventional DC or common AC motor, by send gap or consecutive pulses Current Control motor positive and inverse by set time, just can realize accurately locating straight reciprocating motion.As from the foregoing, this novel characteristics that have novel structure, utilize the rotation positioning between transmission nut and the screw rod can prevent transmission nut and screw rod locking, and have that cost is low, the characteristics of applied range.
Description of drawings
Fig. 1 is this novel solid assembly structure schematic representation.
Perspective view when Fig. 2 is this novel transmission nut arrival right-hand member location.
Perspective view when Fig. 3 is this novel transmission nut arrival left end location.
Embodiment
As Figure 1-3, a kind of spiral transmission positioning device, include: screw rod 10, transmission nut 20, the linear reciprocating mechanism 30 that is fixed together with transmission nut 20, transmission nut 20 screw threads are combined on the screw rod 10 and transmission nut 20 is radially fixed, and are fixed with left limit block 40 and right limit block 50 respectively at the two ends, the left and right sides of described screw rod 10;
One end of described screw rod 10 is fixedlyed connected with the output terminal of motor 60, provides the control circuit of motor 60 impulsive current control motor gap or clockwise and anticlockwise continuously to be connected with motor 60 by set time; The left and right sides face of described transmission nut 20 is respectively equipped with the protruding position 22 in protruding position 21, location, a left side and right location; Described left limit block 40 is provided with the rotation salient point 41 that departs from screw rod 10 axle center, and the protruding position 41 of anticlockwise is being on the same circumference at center with screw rod 10 axle center with protruding position 21, location, a left side; Described right limit block 50 is provided with the protruding position 51 of the right rotation that departs from screw rod 10 axle center, and the protruding position 22 in protruding position 51 of right rotation and right location is being on the same circumference at center with screw rod 10 axle center;
When motor 60 is just changeing when making transmission nut 20 arrive the left end positioning states, the side rotation of the protruding position of the anticlockwise on the screw rod 10 41 is supported on the side that is located at protruding position 21, location, a left side and is stopped operating, and transmission nut 20 and left limit block 40 have the gap a of anti-locking so that screw rod 10 reverse rotation at any time;
When motor 60 counter-rotating made transmission nut 20 arrive the right-hand member positioning states, the side rotation of the protruding position 51 of the right rotation on the screw rod 10 was supported on the side that is located at protruding position 22, right location and is stopped operating, and transmission nut 20 and right limit block 50 have the gap b of anti-locking.
The common DC motor of described motor 60 for rotating forward or backwards by Current Control screw rod 10 forward or backwards.
Described motor 60 is the common AC motor of rotating forward or backwards by phase transformation control screw rod 10.
Described transmission nut 20, protruding position 21, location, a left side, protruding position 22, right location and linear reciprocating mechanism 30 are one-body molded.
During use, after adopting direct current generator 60 embodiments, control circuit is given motor 60 by the impulsive current that certain hour sends forward or backwards, make motor 60 gaps or clockwise and anticlockwise repeatedly continuously, the setting motor 60 of control circuit arrives the 50 needed times of right limit block of screw rods 10 from the left limit block 40 of screw rod 10 greater than transmission nut 20 towards the time that a direction is rotated, like this, when motor 60 is led to forward current, motor 60 drives screw rod 10 forward rotation, because transmission nut 20 is radially fixing, transmission nut 20 moves horizontally to the left, when transmission nut 20 during, on the side of the side rotation of the protruding position 41 of the anticlockwise on the screw rod 10 and protruding position 21, location, a left side on the transmission nut 20 of conflicting, like this near left limit block 40 location, screw rod 10 is restricted and stops operating, at this moment, although may go back no show by the time that motor 60 is just changeing by control circuit,, under the effect of torsional resistance, screw rod 10 and transmission nut 10 remain static; When the time that control circuit reverses by motor 60 arrives, motor 60 counter-rotatings, owing to have the gap a of anti-locking between transmission nut 20 and the left limit block 40, therefore, screw rod 10 can separate with transmission nut 20 counterrotatings easily, as a same reason, when transmission nut 20 locatees 50 near the right limit block, on the side of the side rotation of the protruding position of the right rotation on the screw rod 10 51 and protruding position 22, location, the right side on the transmission nut 20 of conflicting, like this, screw rod 10 is restricted and stops operating, and also has the gap b of anti-locking between transmission nut 20 and the right limit block 50, therefore, screw rod 10 can separate with transmission nut 20 counterrotatings easily.And so forth, screw rod 10 just can drive transmission nut 20 and be fixed on the round accurate setting movement of linear reciprocating mechanism 30 realization straight lines on the transmission nut 20.
As from the foregoing, stepper motor and actuating motor that the prior art of comparing adopts, this novel needs conventional DC or common AC motor, by send gap or 60 clockwise and anticlockwise of consecutive pulses Current Control motor by set time, just can realize the accurate setting movement of linear reciprocation.As from the foregoing, this novel characteristics that have novel structure, utilize the rotation positioning between transmission nut 20 and the screw rod 10 can prevent transmission nut 20 and screw rod 10 lockings, and have that cost is low, the characteristics of the little applied range of volume.
The above only is this novel preferred embodiment, and this is not novel in order to restriction, all any modifications of being done within this novel spirit and principle, is equal to and replaces and improvement etc., all should be included within this novel protection domain.
Claims (4)
1. spiral transmission positioning device, include: screw rod, transmission nut, the linear reciprocating mechanism that is fixed together with transmission nut, the transmission nut screw thread is combined on the screw rod and transmission nut is radially fixed, and is fixed with left limit block and right limit block respectively at the two ends, the left and right sides of described screw rod;
It is characterized in that: an end of described screw rod is fixedlyed connected with the output terminal of motor, provides the control circuit of motor pulses Current Control motor gap or clockwise and anticlockwise continuously to be connected with motor by set time; The left and right sides face of described transmission nut is respectively equipped with the protruding position in protruding position, location, a left side and right location; Described left limit block is provided with the protruding position of the rotation that departs from the screw rod axle center, and the protruding position of anticlockwise is being on the same circumference at center with the screw rod axle center with protruding position, location, a left side; Described right limit block is provided with the protruding position of the right rotation that departs from the screw rod axle center, and the protruding position in protruding position of right rotation and right location is being on the same circumference at center with the screw rod axle center;
When motor is just changeing when making transmission nut arrive the left end positioning states, the side rotation of the protruding position of the anticlockwise on the screw rod is supported on the side that is located at protruding position, location, a left side and is stopped operating, and transmission nut and left limit block have the gap of anti-locking so that screw rod reverse rotation at any time;
When motor counter-rotating made transmission nut arrive the right-hand member positioning states, the side rotation of the protruding position of the right rotation on the screw rod was supported on the side that is located at protruding position, right location and is stopped operating, and transmission nut and right limit block have the gap of anti-locking.
2. a kind of spiral transmission positioning device according to claim 1 is characterized in that: the common DC motor of described motor for rotating forward or backwards by Current Control screw rod forward or backwards.
3. a kind of spiral transmission positioning device according to claim 1 is characterized in that: the common AC motor of described motor for rotating forward or backwards by phase transformation control screw rod.
4. according to claim 1 or 2 or 3 described a kind of spiral transmission positioning devices, it is characterized in that: described transmission nut, protruding position, location, a left side, protruding position, right location and linear reciprocating mechanism are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020192752XU CN201714932U (en) | 2010-05-17 | 2010-05-17 | Screw driving positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020192752XU CN201714932U (en) | 2010-05-17 | 2010-05-17 | Screw driving positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201714932U true CN201714932U (en) | 2011-01-19 |
Family
ID=43460928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020192752XU Expired - Lifetime CN201714932U (en) | 2010-05-17 | 2010-05-17 | Screw driving positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201714932U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813174A (en) * | 2010-05-17 | 2010-08-25 | 彭中 | Spiral transmission positioning device |
| CN103537127A (en) * | 2013-10-10 | 2014-01-29 | 宜兴市诺唯环保设备有限公司 | Square module type fiber fixed disc filtering machine and filtering method thereof |
| CN104595446A (en) * | 2013-10-30 | 2015-05-06 | 北京精密机电控制设备研究所 | Novel blockage preventing device for electromechanical actuator |
-
2010
- 2010-05-17 CN CN201020192752XU patent/CN201714932U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813174A (en) * | 2010-05-17 | 2010-08-25 | 彭中 | Spiral transmission positioning device |
| CN103537127A (en) * | 2013-10-10 | 2014-01-29 | 宜兴市诺唯环保设备有限公司 | Square module type fiber fixed disc filtering machine and filtering method thereof |
| CN104595446A (en) * | 2013-10-30 | 2015-05-06 | 北京精密机电控制设备研究所 | Novel blockage preventing device for electromechanical actuator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102497080B (en) | Moving magnet type linear rotation two-degree-of-freedom motor | |
| CN104153673B (en) | A kind of electric translation door drive based on permanent-magnetism linear motor | |
| CN101258673B (en) | A method for controlling a mechanically commutated electric motor | |
| EP0869601A2 (en) | Motor arrangement | |
| CN101813174B (en) | Spiral transmission positioning device | |
| CN201714932U (en) | Screw driving positioning device | |
| JP2013226038A5 (en) | ||
| CN103986301A (en) | High-dynamic moving-magnetic type linear rotation integrated two-degree-of-freedom motor | |
| JP2009118706A (en) | Magnetism rotating apparatus and power conversion system using the same | |
| CN109768691A (en) | A kind of permanent magnetic linear synchronous motor device for suspending door | |
| CN102761230B (en) | Use single ratchet rotating stepping motor of two power lines | |
| CN104836413A (en) | Low thrust pulsation permanent magnet linear motor | |
| JP5247122B2 (en) | Magnetic rotating device and power conversion system using the same | |
| CN103280939A (en) | Double-stator linear rotation Hal Bach permanent magnetic actuator | |
| CN210780493U (en) | High-thrust modular permanent magnet linear synchronous motor | |
| JP4861522B1 (en) | Rotating device | |
| Roy et al. | Simple discussion on stepper motors for the development of electronic device | |
| TWI530062B (en) | Ironless stepper motor and method thereof | |
| CN203632476U (en) | Out-of-step prevention structure for step motor | |
| CN211239662U (en) | Star magnetic energy motor | |
| WO2019015030A1 (en) | Electric vehicle, wheel and switched reluctance motor thereof | |
| WO2016082293A1 (en) | Brushless direct current motor utilizing magnet magnetic force | |
| US20170033645A1 (en) | Electromagnetic Generator | |
| CN112803710A (en) | High-thrust modular permanent magnet linear synchronous motor | |
| JP2011256544A (en) | Rotary actuator and locking/unlocking device using the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110119 Effective date of abandoning: 20120208 |