CN221042534U - Linear movement module capable of realizing bidirectional traction - Google Patents
Linear movement module capable of realizing bidirectional traction Download PDFInfo
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- CN221042534U CN221042534U CN202323034398.4U CN202323034398U CN221042534U CN 221042534 U CN221042534 U CN 221042534U CN 202323034398 U CN202323034398 U CN 202323034398U CN 221042534 U CN221042534 U CN 221042534U
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- sliding block
- traction rope
- fixed pulley
- traction
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 17
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Abstract
The utility model discloses a linear movement module capable of realizing bidirectional traction, which comprises a fixed frame, a driving element and a sliding block, wherein the driving element comprises a motor and a winding column, an output shaft of the motor is connected with the winding column, a guide surface is arranged on the fixed frame, the sliding block is slidably arranged on the guide surface, the linear movement module further comprises a traction rope, a first part and a second part of the traction rope are respectively wound on the winding column, a third part of the traction rope is fixedly arranged on the winding column, and the winding directions of the first part and the second part on the winding column are opposite; the first end of the traction rope is connected with the sliding block and is used for pulling the sliding block to linearly move towards a first direction; the second end of the traction rope is connected with the sliding block and is used for pulling the sliding block to linearly move towards a second direction opposite to the first direction. When the motor drives the winding column to rotate, the first part and the second part of the traction rope can be matched to transmit power, so that the sliding block can be pulled in two directions, the efficiency is high, and the installation space can be effectively saved.
Description
Technical Field
The utility model belongs to the field of electric actuators, and particularly relates to a linear movement module capable of realizing bidirectional traction.
Background
The most broad definition for an actuator is: a driving device capable of providing linear or rotary motion, which uses a driving energy and operates under a control signal. The actuator uses a liquid, gas, electric or other energy source and converts it into a driving action by means of an electric motor, cylinder or other device.
The linear actuating mechanism is an electric driving device for converting the rotation motion of the motor into the linear reciprocating motion of the push rod, and can be used as an actuating mechanism in various simple or complex process flows to realize remote control, centralized control or automatic control. The motor drives the screw rod mechanism to change the rotation motion of the motor into linear motion, and the motor is utilized to drive the transmission nut to linearly move and the push rod connected with the transmission nut to linearly move.
The conventionally used screw mechanism has higher cost, and the manufacturing cost is higher, particularly the cost problem is obvious during long-stroke driving because the processing precision of the components such as the ball screw, the transmission nut and the like is high and the roughness is lower. The spiral groove roller paths on the screw rod and the transmission nut are required to be ground to form surfaces, the process requirements are complex, the manufacturing is difficult, and the screw rod and the transmission nut are easy to wear, so that the transmission precision is affected. The screw rod mechanism with the self-locking function has low transmission efficiency.
Disclosure of utility model
Aiming at the defects or improvement demands of the prior art, the utility model provides a linear movement module capable of realizing bidirectional traction, which transmits power through a traction rope and has high efficiency.
In order to achieve the above object, according to the present utility model, there is provided a linear movement module capable of achieving bidirectional traction, comprising a fixing frame, a driving element and a slider, wherein the driving element comprises a motor and a winding post, the motor is a forward and reverse rotation motor, the fixing frame is provided with the motor, an output shaft of the motor is connected with the winding post for driving the winding post to rotate, the fixing frame is provided with a guide surface, the slider is slidably mounted on the guide surface,
The linear movement module further comprises a traction rope for traction of the sliding block to move, a first part of the traction rope and a second part of the traction rope are respectively wound on the winding post, a third part of the traction rope is fixedly installed on the winding post, the third part is located between the first part and the second part, and winding directions of the first part and the second part on the winding post are opposite;
The first end of the traction rope is connected with the sliding block and used for pulling the sliding block to linearly move towards a first direction;
The second end of the traction rope is connected with the sliding block and used for pulling the sliding block to linearly move towards a second direction opposite to the first direction.
Preferably, the winding post is provided with a protruding rod, and the third part is fixed on the protruding rod in a knotting manner.
Preferably, the guide surface is a horizontal plane.
Preferably, the fixing frame is further rotatably provided with a first fixed pulley and a second fixed pulley, the traction rope bypasses the first fixed pulley and the second fixed pulley respectively, the first fixed pulley and the second fixed pulley are provided with a first annular groove and a second annular groove respectively, the first annular groove and the second annular groove are parallel to the moving direction of the sliding block respectively, and the arrangement direction of the first annular groove and the second annular groove is consistent with the moving direction of the sliding block so as to guide the linear movement of the sliding block.
Preferably, the first fixed pulley and the second fixed pulley are respectively and fixedly arranged on the first mounting column and the second mounting column in a penetrating manner, and the first mounting column and the second mounting column are respectively and rotatably arranged on the fixing frame.
Preferably, the first fixed pulley and the second fixed pulley are respectively arranged at two opposite ends of the fixed frame.
Preferably, the driving element further comprises a bracket mounted on the fixing frame and a wire passing column rotatably mounted on the bracket, the center line of the wire passing column is parallel to the center line of the wire wrapping column, and the traction rope is connected with the sliding block after bypassing the wire passing column.
Preferably, the first end of the traction rope is connected with the sliding block from the upper part of the fixing frame;
The second end of the traction rope sequentially passes through the wire passing column, the lower part of the fixing frame and the fixed pulley connected with the fixing frame, and then is connected with the sliding block from the upper part of the fixing frame.
Preferably, the motor further comprises a magnetic encoder for measuring the rotation angle of the output shaft of the motor, the magnetic encoder is mounted on the fixing frame, and the winding post is connected with a permanent magnet matched with the magnetic encoder.
Preferably, the first portion and the second portion are respectively spirally wound on the winding post.
In general, the above technical solutions conceived by the present utility model, compared with the prior art, enable the following beneficial effects to be obtained:
1) According to the linear movement module capable of realizing bidirectional traction, the first part and the second part of the traction rope are wound on the winding post in opposite directions, so that when the motor drives the winding post to rotate, the first part and the second part of the traction rope can be matched to transmit power, the sliding block can be pulled in two directions, the efficiency loss is small compared with screw transmission, the efficiency is higher, the required space is small compared with gear transmission, and the installation space can be effectively saved.
2) According to the linear movement module capable of realizing bidirectional traction, the annular grooves on the first fixed pulley and the second fixed pulley can guide the traction rope, so that the traction rope can move in a linear manner.
3) According to the linear movement module capable of realizing bidirectional traction, the permanent magnet and the magnetic encoder can obtain the accurate position of the sliding block, so that the position of the sliding block can be controlled conveniently.
4) According to the linear movement module capable of realizing bidirectional traction, in the working process of the sliding block, even if the motor is powered off, the sliding block can be fixedly stopped at a required position without shifting, and higher positioning precision can be realized.
Drawings
FIGS. 1 and 2 are schematic representations of the slider of the present utility model in various positions;
fig. 3 is an exploded view of the driving element of the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Referring to fig. 1 to 3, a linear movement module capable of realizing bidirectional traction comprises a fixing frame 13, a driving element and a sliding block 9, wherein the driving element comprises a motor 1 and a winding column 4, the motor 1 is preferably a gear motor, the gear motor is provided with a gear box 2 and is arranged on the fixing frame 13 through a flange, the motor 1 is a forward and reverse rotation motor, and an output shaft of the motor 1 can be forward and reverse rotated; install on the mount 13 motor 1, motor 1's output shaft connection wrapping post 4, be used for the drive wrapping post 4 rotates, and wrapping post 4 is preferably rotatably installed on mount 13 through the bearing, motor 1's output shaft lug connection wrapping post 4, be provided with the guide surface on the mount 13, slider 9 slidable mounting is in on the guide surface, and slider 9 wholly is the cuboid shape. The guide surface is preferably a horizontal plane, on which the slider 9 rests, by means of which the slider 9 is supported, so that the traction rope only has to pull the slider 9.
The linear movement module further comprises a traction rope for traction of the sliding block 9, a first part 15 of the traction rope and a second part 10 of the traction rope are respectively wound on the winding post 4, a third part of the traction rope is fixedly installed on the winding post 4 and is located between the first part 15 and the second part 10, a protruding rod 41 is arranged on the winding post 4, and the third part is preferably fixed on the protruding rod 41 in a knotting mode, so that the traction rope can be conveniently fixed on the winding post 4. The first portion 15 and the second portion 10 are wound in opposite directions on the winding post 4; for example, if the winding direction of the winding portion of the first portion 15 is left-hand winding, the winding direction of the second portion 10 is right-hand winding, such that upon rotation of the spool 4, the first portion 15 (or the second portion 10) continues to be wound further on the spool 4 (wire winding process) and the second portion 10 (or the first portion 15) is unwound shorter (wire unwinding process). The traction rope is preferably made of cotton, hemp or other materials, so that the traction rope is tightly attached to the winding post 4, can be rapidly wound on the winding post 4 and unwound from the winding post 4 when the winding post 4 rotates, and can rapidly respond to the rotation of the winding post 4.
The traction rope is provided with two ends, namely a first end and a second end; the first end of the traction rope and the second end of the traction rope are respectively connected to two opposite sides of the sliding block 9, so as to drive the sliding block 9 to move bidirectionally. The first end of the traction rope is connected with the sliding block 9 and is used for pulling the sliding block 9 to linearly move towards a first direction; the second end of the traction rope is connected with the sliding block 9 for pulling the sliding block 9 to linearly move towards a second direction opposite to the first direction. The traction rope is connected with the sliding block 9 in a tightening state all the time, so that when the motor 1 rotates, the traction rope can respond more quickly to pull the sliding block 9 to move.
Referring to fig. 1, a first end of the traction rope is connected to the right side of the slider 9, a second end of the traction rope is connected to the left side of the slider 9, and the traction rope rotates on the winding post 4, so that the first part 15 of the traction rope continues to be wound on the winding post 4 to be longer, and the second part 10 is unwound from the winding post 4 to be shorter, and the first end of the traction rope can pull the slider 9 to move to the right; the second end of the pull cord may pull the slider 9 to the left as the second portion 10 continues to be wound around the spool 4 and the first portion 15 unwinds from the spool 4 and becomes shorter. The traction rope can normally move only after the sliding block 9 is straightened, so that even if the motor 1 is powered off, the sliding block 9 can be fixedly stopped at a required position and cannot move left and right, and higher positioning precision can be realized. The utility model preferably further comprises a magnetic encoder 6 for measuring the rotation angle of the output shaft of the motor 1, the magnetic encoder 6 is mounted on the fixing frame 13, and the winding post 4 is connected with a permanent magnet 7 matched with the magnetic encoder 6, so that the sliding block 9 can be accurately positioned. The magnetic encoder 6 has high resolution and high accuracy, and accurate position measurement can be achieved. The magnetic encoder 6 is on the same straight line with the winding post 4 and is close to the permanent magnet 7 at the same time, so that the real-time position of the sliding block 9 is convenient to confirm. The first fixed pulley 8 and the second fixed pulley 12 are preferably mounted at opposite ends of the fixed frame 13, respectively.
Further, the fixing frame 13 is rotatably provided with a first fixed pulley 8 and a second fixed pulley 12, the traction rope bypasses the first fixed pulley 8 and the second fixed pulley 12 respectively, the first fixed pulley 8 and the second fixed pulley 12 are provided with a first annular groove and a second annular groove respectively, the first annular groove and the second annular groove are parallel to the moving direction of the sliding block 9 respectively, and the arrangement direction of the first annular groove and the second annular groove is consistent with the moving direction of the sliding block 9 so as to guide the linear movement of the sliding block 9, and the traction sliding block 9 can move linearly on the fixing frame 13 conveniently. The first fixed pulley 8 and the second fixed pulley 12 can be provided in plurality respectively so as to guide and enable the sliding block 9 to move linearly better.
Further, the first fixed pulley 8 and the second fixed pulley 12 are respectively and fixedly arranged on the first mounting column 14 and the second mounting column 11 in a penetrating manner, and the first mounting column 14 and the second mounting column 11 are respectively and rotatably arranged on the fixing frame 13, so that the first fixed pulley 8 and the second fixed pulley 12 can be conveniently rotated.
Further, the driving element further comprises a bracket 3 mounted on the fixing frame 13 and a wire passing column 5 rotatably mounted on the bracket 3, the center line of the wire passing column 5 is parallel to the center line of the wire wrapping column 4, and the traction rope bypasses the wire passing column 5 and is connected with the sliding block 9. The wire passing column 5 can also play a role in guiding the traction rope, so that the traction rope which is wound by the wire passing column 5 changes direction, and the traction rope is conveniently connected with the sliding block 9 after changing direction. If the first end of the traction rope is connected to the right side of the sliding block 9, the second end of the traction rope is connected to the left side of the sliding block 9 after being wound by the wire passing column 5, and the first end and the second end of the traction rope are conveniently connected to two opposite sides of the sliding block 9 respectively, so that the sliding block 9 can be driven to move relatively. The wire passing column 5 is preferably fixedly arranged on a rotating shaft 51 in a penetrating mode, the wire passing column 5 is in interference fit with the rotating shaft 51, and the rotating shaft 51 is connected with the bracket 3 through a bearing.
Further, the first end of the traction rope is connected with the sliding block 9 from the upper part of the fixed frame 13;
The second end of the traction rope passes through the wire passing column 5, the lower part of the fixing frame 13 and the fixed pulley connected with the fixing frame 13 in sequence, and then is connected with the sliding block 9 from the upper part of the fixing frame 13. The diameter of the wire passing post 5 is equal to that of the winding post 4, so that the second part 10 of the traction rope conveniently passes under the fixing frame 13 after reversing on the wire passing post 5.
Further, the first portion 15 and the second portion 10 are respectively spirally wound on the winding post 4, and the portion of the traction rope wound on the winding post 4 has a spiral angle. When the traction rope is wound on the winding post 4, the turns of the traction rope can be mutually and automatically pushed, so that the first part 15 and the second part 10 can be orderly arranged on the winding post 4, partial accumulation can not be carried out on a certain part on the winding post 4, the moving stability of the sliding block 9 can be improved, and the sliding block 9 is prevented from being separated from the guide surface on the fixing frame 13 due to the fact that the traction rope is accumulated on the winding post 4 and is pulled up due to too high part.
The working process of the utility model is as follows:
After the motor 1 is electrified, the motor rotates in the first rotating direction, the winding post 4 is driven to rotate in the first rotating direction, the winding post 4 rotates to enable the first part 15 wound on the winding post 4 to continue to be wound on the winding post 4 to be longer (a wire winding process) and the second part 10 to be unwound from the winding post 4 to be shorter (a wire unwinding process), and the traction sliding block 9 moves right linearly.
The motor 1 rotates in the second rotation direction, and drives the winding post 4 to rotate in the second rotation direction, so that the winding post 4 rotates to unwind the first portion 15 wound on the winding post 4 from the winding post 4 (paying-off process) and the second portion 10 continues to wind on the winding post 4 (winding process), and the traction slider 9 moves linearly leftwards.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. The linear movement module capable of realizing bidirectional traction comprises a fixed frame, a driving element and a sliding block, wherein the driving element comprises a motor and a winding column, the motor is a forward and backward motor, the motor is installed on the fixed frame, an output shaft of the motor is connected with the winding column and used for driving the winding column to rotate, a guide surface is arranged on the fixed frame, the sliding block is slidably installed on the guide surface,
The linear movement module further comprises a traction rope for traction of the sliding block to move, a first part of the traction rope and a second part of the traction rope are respectively wound on the winding post, a third part of the traction rope is fixedly installed on the winding post, the third part is located between the first part and the second part, and winding directions of the first part and the second part on the winding post are opposite;
The first end of the traction rope is connected with the sliding block and used for pulling the sliding block to linearly move towards a first direction;
The second end of the traction rope is connected with the sliding block and used for pulling the sliding block to linearly move towards a second direction opposite to the first direction.
2. The linear movement module capable of achieving bidirectional traction according to claim 1, wherein a protruding rod is arranged on the winding post, and the third portion is fixed on the protruding rod in a knotting mode.
3. The linear motion module as recited in claim 1, wherein the guide surface is a horizontal plane.
4. The linear movement module capable of achieving bidirectional traction according to claim 1, wherein a first fixed pulley and a second fixed pulley are rotatably installed on the fixing frame, the traction rope bypasses the first fixed pulley and the second fixed pulley respectively, a first annular groove and a second annular groove are formed in the first fixed pulley and the second fixed pulley respectively, the first annular groove and the second annular groove are parallel to the moving direction of the sliding block respectively, and the arrangement direction of the first annular groove and the second annular groove is consistent with the moving direction of the sliding block so as to guide the linear movement of the sliding block.
5. The linear movement module capable of achieving bidirectional traction according to claim 4, wherein the first fixed pulley and the second fixed pulley are fixedly arranged on a first mounting column and a second mounting column respectively in a penetrating manner, and the first mounting column and the second mounting column are rotatably arranged on the fixing frame respectively.
6. The linear motion module as recited in claim 4, wherein the first fixed pulley and the second fixed pulley are mounted at opposite ends of the fixed frame.
7. The linear motion module as recited in claim 1, wherein the driving element further comprises a bracket mounted on the fixed frame and a wire passing post rotatably mounted on the bracket, a center line of the wire passing post is parallel to a center line of the wire wrapping post, and the traction rope is connected to the sliding block after bypassing the wire passing post.
8. The linear movement module capable of achieving bidirectional traction according to claim 7, wherein a first end of the traction rope is connected with the sliding block from above the fixing frame;
The second end of the traction rope sequentially passes through the wire passing column, the lower part of the fixing frame and the fixed pulley connected with the fixing frame, and then is connected with the sliding block from the upper part of the fixing frame.
9. The linear movement module capable of achieving bidirectional traction according to claim 1, further comprising a magnetic encoder for measuring a rotation angle of an output shaft of the motor, wherein the magnetic encoder is mounted on the fixing frame, and a permanent magnet for being matched with the magnetic encoder is connected to the winding column.
10. The linear motion module as recited in claim 1, wherein the first and second portions are each helically wound around the spool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323034398.4U CN221042534U (en) | 2023-11-10 | 2023-11-10 | Linear movement module capable of realizing bidirectional traction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323034398.4U CN221042534U (en) | 2023-11-10 | 2023-11-10 | Linear movement module capable of realizing bidirectional traction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221042534U true CN221042534U (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323034398.4U Active CN221042534U (en) | 2023-11-10 | 2023-11-10 | Linear movement module capable of realizing bidirectional traction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221042534U (en) |
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2023
- 2023-11-10 CN CN202323034398.4U patent/CN221042534U/en active Active
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