CN221390967U - Linear guide rail friction force compensation servo control device - Google Patents
Linear guide rail friction force compensation servo control device Download PDFInfo
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- CN221390967U CN221390967U CN202322885683.0U CN202322885683U CN221390967U CN 221390967 U CN221390967 U CN 221390967U CN 202322885683 U CN202322885683 U CN 202322885683U CN 221390967 U CN221390967 U CN 221390967U
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- seat
- servo control
- guide rail
- sliding
- pressure sensor
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- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000006073 displacement reaction Methods 0.000 description 1
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Abstract
The utility model discloses a linear guide rail friction force compensation servo control device, which comprises a guide rail seat and a sliding seat; two ends of the guide rail seat are fixedly provided with side plates, and the side plates are fixedly provided with a precise driving motor and a precise screw rod; the top of the sliding seat is provided with a pressure sensor, the sliding seat is provided with a bearing seat through the pressure sensor, and the outer wall of the side plate is fixedly provided with a servo control seat which is in wireless connection with the pressure sensor; according to the linear guide rail friction force compensation servo control device, the sum of the monitored pressure value and the gravity value of the sliding seat is calculated through the servo control seat, the value of the friction force between the sliding seat and the guide rail seat is calculated through the F=mu kN friction force calculation formula, and finally, the servo control seat drives the precise driving motor to conduct additional driving force compensation, so that the sliding seat is guaranteed to conduct on the guide rail seat at the normal advancing speed, and the problem that the advancing efficiency or the positioning accuracy of the sliding seat is affected due to the friction force value of the conventional device is solved.
Description
Technical Field
The utility model relates to the technical field of single-shaft manipulators, in particular to a linear guide rail friction force compensation servo control device.
Background
The linear guide rail has the characteristics of small motion damping, large allowable load, high positioning precision, high rigidity in all directions, good high-speed performance and the like, is extremely widely applied to a linear guide rail displacement system, and can offset part of driving force by friction force between the sliding seat and the guide rail seat in the transmission process of the linear guide rail, thereby influencing subsequent transmission effect and positioning precision.
Therefore, we propose a linear guide friction compensation servo control device.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a linear guide rail friction force compensation servo control device, which solves the problem that the running efficiency or positioning accuracy of a sliding seat is affected by friction force values of the conventional device.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: a linear guide rail friction force compensation servo control device comprises a guide rail seat and a sliding seat sleeved on the top side of the guide rail seat in a sliding manner;
The top side of the guide rail seat is provided with a sliding groove, two ends of the guide rail seat are fixedly provided with side plates, the side plates are fixedly provided with precise driving motors, and the output shafts of the precise driving motors are precise lead screws arranged on the inner sides of the sliding grooves;
A sliding sleeve sleeved on the inner side of the sliding groove in a sliding manner is fixedly arranged in the sliding seat, and the sliding sleeve is sleeved on the precise screw rod in a threaded manner;
The top of slide is equipped with pressure sensor, the slide is equipped with the bearing seat through pressure sensor, and fixed mounting has the servo control seat with pressure sensor wireless connection on the outer wall of curb plate.
Preferably, the inner side of the sliding sleeve is fixedly sleeved with a screw sleeve through a bearing ring, and the screw sleeve is sleeved on the outer wall of the precise screw in a threaded manner.
Preferably, the inner side wall of the sliding seat and the outer wall of the guide rail seat are smooth surfaces.
Preferably, the pressure sensor is a rectangular sensor, and the pressure sensor is composed of a pressure sensitive element, a signal processing unit and a Bluetooth transmission module.
Preferably, five groups of pressure sensitive elements which are distributed in a filling mode are uniformly paved on the top surface of the pressure sensor, and the pressure sensor is in wireless connection with the servo control seat through a Bluetooth transmission module.
Preferably, a control module for remotely regulating and controlling the working state and the speed of the precise driving motor is arranged in the servo control seat.
Preferably, the bearing seat is provided with a mounting groove, and the bearing seat is provided with a corresponding clamping seat and a workpiece through the mounting groove and the fastening bolt.
The utility model provides a linear guide rail friction force compensation servo control device. The beneficial effects are as follows:
1. According to the linear guide rail friction force compensation servo control device, the pressure of the bearing seat and a workpiece on the bearing seat, namely, gravity can be monitored through the arrangement of the pressure sensor on the sliding seat, and the pressure value born by the sliding seat in real time can be monitored through the arrangement of the gravity value of the sliding seat, so that the situation that the follow-up conduction effect is influenced due to overlarge bearing of the sliding seat is avoided;
2. The linear guide rail friction force compensation servo control device has the advantages that the pressure sensor can transmit the pressure value monitored in real time to the servo control seat, meanwhile, the servo control seat integrates the pressure value and the gravity value of the sliding seat to calculate the friction force value between the sliding seat and the guide rail seat, and meanwhile, the side plate is driven to carry out power compensation, so that the normal transmission speed and accuracy of the sliding seat are ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the guide rail seat of the present utility model;
FIG. 3 is a schematic view of a sliding seat according to the present utility model;
fig. 4 is a schematic structural view of the pressure sensor of the present utility model.
In the figure: 1. a guide rail seat; 2. a slide; 3. a side plate; 4. a precision driving motor; 5. a servo control seat; 6. a bearing seat; 7. a chute; 8. a precision screw; 9. a sliding sleeve; 10. a screw sleeve; 11. a pressure sensor.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the embodiment of the present utility model provides a technical solution: a linear guide rail friction force compensation servo control device comprises a guide rail seat 1 and a sliding seat 2 which is sleeved on the top side of the guide rail seat in a sliding manner;
A sliding groove 7 is formed in the top side of the guide rail seat 1, side plates 3 are fixedly arranged at two ends of the guide rail seat 1, a precise driving motor 4 is fixedly arranged on the side plates 3, and an output shaft of the precise driving motor 4 is a precise screw rod 8 arranged at the inner side of the sliding groove 7;
A sliding sleeve 9 which is sleeved on the inner side of the sliding groove 7 in a sliding manner is fixedly arranged in the sliding seat 2, and the sliding sleeve 9 is sleeved on the precise screw rod 8 in a threaded manner;
the top of the sliding seat 2 is provided with a pressure sensor 11, the sliding seat 2 is provided with a bearing seat 6 through the pressure sensor 11, and the outer wall of the side plate 3 is fixedly provided with a servo control seat 5 which is in wireless connection with the pressure sensor 11;
In this embodiment, it should be noted that, by setting the pressure sensor 11 on the slide 2, the linear guide rail friction force compensation servo control device can monitor the pressure of the bearing seat 6 and the workpiece thereon, that is, the gravity, and then cooperate with the setting of the gravity value of the upper slide 2, so as to monitor the pressure value born by the slide 2 in real time, thereby avoiding the situation that the slide 2 is excessively stressed to influence the subsequent conduction effect;
In addition, the pressure sensor 11 can transmit the pressure value monitored in real time to the servo control seat 5, meanwhile, the servo control seat 5 integrates the pressure value and the gravity value of the sliding seat 2 to calculate the value of the friction force between the sliding seat 2 and the guide rail seat 1, and meanwhile, the precise driving motor 4 is driven to perform power compensation, so that the normal transmission speed and precision of the sliding seat 2 are ensured.
In the embodiment, it should be noted that, the inner side of the sliding sleeve 9 is fixedly sleeved with a screw sleeve 10 through a bearing ring, and the screw sleeve 10 is in threaded sleeve on the outer wall of the precision screw 8;
the screw sleeve 10 is convenient for being matched with the precise screw 8 to drive the sliding seat 2 to move on the guide rail seat 1.
In this embodiment, it should be noted that, both the inner side wall of the sliding seat 2 and the outer wall of the guide rail seat 1 are smooth surfaces;
The sliding seat 2 and the guide rail seat 1 are smoothly arranged, and the friction coefficient of the contact surface can be set to be 0.
In this embodiment, it should be noted that the pressure sensor 11 is a rectangular sensor, and the pressure sensor 11 is composed of a pressure sensitive element, a signal processing unit and a bluetooth transmission module;
In this embodiment, it is further required to supplement that five groups of pressure sensitive elements distributed in a filling manner are uniformly laid on the top surface of the pressure sensor 11, and the pressure sensor 11 is in wireless connection with the servo control seat 5 through a bluetooth transmission module therein;
The pressure sensors 11 are arranged on the groups of pressure sensitive elements, so that the uniformity of monitoring the gravity values of the top bearing seat 6 and the workpiece thereon can be ensured.
In this embodiment, it should be noted that, a control module for remotely controlling the working state and speed of the precision driving motor 4 is disposed in the servo control seat 5.
In this embodiment, it should be noted that the carrying seat 6 is provided with a mounting groove, and the carrying seat 6 is equipped with a corresponding clamping seat and a workpiece through the mounting groove and the fastening bolt.
The working principle and the using flow of the utility model are as follows: when the device is required to work, the clamping seat and the workpiece are assembled on the bearing seat 6 in advance at the initial position, after stability, the pressure sensor 11 can monitor the gravity of the bearing seat 6 and the top clamping seat and the workpiece in real time, the pressure value is remotely conveyed to the servo control seat 5, the servo control seat 5 calculates the sum of the monitored pressure value and the gravity value of the sliding seat 2, the friction value between the sliding seat 2 and the guide rail seat 1 is calculated through the F=mu kN friction force calculation formula, and finally the servo control seat 5 drives the precise driving motor 4 to perform additional driving force compensation, so that the sliding seat 2 is ensured to conduct on the guide rail seat 1 at the normal advancing speed, and the problem that the advancing efficiency or the positioning accuracy of the sliding seat 2 is affected due to the friction value of the conventional device is solved.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. A linear guide rail friction force compensation servo control device comprises a guide rail seat (1) and a sliding seat (2) which is sleeved on the top side of the guide rail seat in a sliding manner;
The method is characterized in that: a sliding groove (7) is formed in the top side of the guide rail seat (1), side plates (3) are fixedly arranged at two ends of the guide rail seat (1), a precise driving motor (4) is fixedly arranged on each side plate (3), and an output shaft of the precise driving motor (4) is a precise screw rod (8) arranged at the inner side of the sliding groove (7);
A sliding sleeve (9) which is sleeved on the inner side of the sliding groove (7) in a sliding manner is fixedly arranged in the sliding seat (2), and the sliding sleeve (9) is sleeved on the precise screw rod (8) in a threaded manner;
The top of slide (2) is equipped with pressure sensor (11), slide (2) are equipped with through pressure sensor (11) and bear seat (6), and fixed mounting has servo control seat (5) with pressure sensor (11) wireless connection on the outer wall of curb plate (3).
2. The linear guide friction compensation servo control device according to claim 1, wherein: the inner side of the sliding sleeve (9) is fixedly sleeved with a screw rod sleeve (10) through a bearing ring, and the screw rod sleeve (10) is sleeved on the outer wall of the precise screw rod (8) in a threaded manner.
3. The linear guide friction compensation servo control device according to claim 1, wherein: the inner side wall of the sliding seat (2) and the outer wall of the guide rail seat (1) are smooth surfaces.
4. The linear guide friction compensation servo control device according to claim 1, wherein: the pressure sensor (11) is a rectangular sensor, and the pressure sensor (11) is composed of a pressure sensitive element, a signal processing unit and a Bluetooth transmission module.
5. The linear guide friction compensation servo control device according to claim 1, wherein: five groups of pressure sensitive elements which are distributed in a filling mode are evenly paved on the top surface of the pressure sensor (11), and the pressure sensor (11) is in wireless connection with the servo control seat (5) through a Bluetooth transmission module.
6. The linear guide friction compensation servo control device according to claim 1, wherein: the servo control seat (5) is internally provided with a control module for remotely regulating and controlling the working state and the speed of the precise driving motor (4).
7. The linear guide friction compensation servo control device according to claim 1, wherein: the bearing seat (6) is provided with a mounting groove, and the bearing seat (6) is provided with a corresponding clamping seat and a workpiece through the mounting groove and the fastening bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322885683.0U CN221390967U (en) | 2023-10-26 | 2023-10-26 | Linear guide rail friction force compensation servo control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322885683.0U CN221390967U (en) | 2023-10-26 | 2023-10-26 | Linear guide rail friction force compensation servo control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221390967U true CN221390967U (en) | 2024-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322885683.0U Active CN221390967U (en) | 2023-10-26 | 2023-10-26 | Linear guide rail friction force compensation servo control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221390967U (en) |
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2023
- 2023-10-26 CN CN202322885683.0U patent/CN221390967U/en active Active
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