CN221303875U - Device for applying preload to high-precision ball screw - Google Patents
Device for applying preload to high-precision ball screw Download PDFInfo
- Publication number
- CN221303875U CN221303875U CN202323195047.1U CN202323195047U CN221303875U CN 221303875 U CN221303875 U CN 221303875U CN 202323195047 U CN202323195047 U CN 202323195047U CN 221303875 U CN221303875 U CN 221303875U
- Authority
- CN
- China
- Prior art keywords
- ball screw
- detection sensor
- temperature control
- electrically connected
- temperature detection
- 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.)
- Active
Links
- 230000036316 preload Effects 0.000 title claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000006073 displacement reaction Methods 0.000 claims abstract description 15
- 230000009466 transformation Effects 0.000 claims abstract description 13
- 230000033001 locomotion Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model discloses a device for applying preload to a high-precision ball screw, and belongs to the technical field of machining. The device comprises a heating chip, a temperature detection sensor, a temperature control device, a magnetic seat, a displacement sensor and a voltage transformation device, wherein the number of the heating chip and the number of the temperature detection sensor are all a plurality of, the heating chip and the temperature detection sensor are determined by the length and the size of a ball screw which is preloaded, and the heating chip and the temperature detection sensor are respectively and electrically connected with one end of the temperature control device; the two sides of the heating chip and the temperature detection sensor are respectively provided with a magnetic seat, the magnetic seats are respectively provided with a displacement sensor, the displacement sensors are electrically connected with one end of the temperature control device, the other end of the temperature control system is electrically connected with one end of the voltage transformation device, and the other end of the voltage transformation device is electrically connected with the input power supply. The utility model can control the heating temperature, thereby controlling the elongation and achieving the purpose of quantifying the preload force, thereby ensuring the optimal motion rigidity of the ball screw and improving the transmission precision.
Description
Technical Field
The utility model relates to a device for applying preload to a high-precision ball screw, and belongs to the technical field of machining.
Background
The ball screw is a transmission element most commonly used on a numerical control machine tool, and has the main function of converting rotary motion into axial linear motion, and has the characteristics of high precision, reversibility and high efficiency. The ball screw consists of a screw rod, a nut and balls, and the ball screw pair utilizes the movement of the balls, so that the starting moment is extremely small, the crawling phenomenon such as sliding movement can not occur, and the accurate micro-feeding can be ensured; the ball screw nut applies a preload force to the balls, when the transmission system works, the rigidity of the moving part can be enhanced due to the pressure of the balls, the ball screw body also needs to be preloaded, the preload force can enable the axial clearance to reach a negative value, and further higher rigidity is obtained, the prior art has the defects that the heating of the ball screw preload work is slower, the working efficiency is lower, and the low-temperature slow heating is adopted to avoid bending deformation of the screw due to higher local heating.
Disclosure of utility model
In order to overcome the defects of the prior art, the utility model provides a device for applying preload to a high-precision ball screw, which can effectively control the heating temperature, thereby controlling the elongation and achieving the purpose of quantifying the preload force, further ensuring the optimal motion rigidity of the ball screw and improving the transmission precision.
The technical scheme adopted for solving the technical problems is as follows: the device comprises a heating chip, a temperature detection sensor, a temperature control device, a magnetic seat, a displacement sensor and a voltage transformation device, wherein the number of the heating chip and the number of the temperature detection sensor are several, and the heating chip and the temperature detection sensor are respectively and electrically connected with one end of the temperature control device according to the length and the size of the ball screw with the preload applied; the two sides of the heating chip and the temperature detection sensor are respectively provided with a magnetic seat, the magnetic seats are respectively provided with a displacement sensor, the displacement sensors are electrically connected with one end of the temperature control device, the other end of the temperature control system is electrically connected with one end of the voltage transformation device, and the other end of the voltage transformation device is electrically connected with the input power supply.
The beneficial effects of the utility model are as follows: according to the utility model, the heating temperature can be effectively controlled, the heating chip can controllably heat the ball screw through the temperature control device, so that the ball screw body is thermally elongated due to the material characteristics, the purpose of applying preload to the screw is achieved, the elongation is controlled, the purpose of quantifying the preload force is achieved, the effect of reinforcing the transmission rigidity is achieved, the optimal motion rigidity of the ball screw is ensured, and the transmission precision is improved.
Drawings
The utility model is further described below with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic diagram of the utility model in operation.
Reference numerals in the drawings:
1. The heating chip, 2, temperature detection sensor, 3, temperature control device, 4, magnetic seat, 5, displacement sensor, 6, ball screw, 7, lock nut, 8, lathe guide rail, 9, screw support, 10, transformer, 11, input power, 12, heat conduction ring.
Detailed Description
As shown in fig. 1-2, a device for applying preload to a high-precision ball screw comprises a heating chip 1, a temperature detection sensor 2, a temperature control device 3, a magnetic seat 4, a displacement sensor 5 and a voltage transformation device 10, wherein the number of the heating chip 1 and the temperature detection sensor 2 is a plurality of, and the heating chip 1 and the temperature detection sensor 2 are respectively and electrically connected with one end of the temperature control device 3 according to the length and the size of the ball screw 6 for applying preload; a magnetic seat 4 is respectively arranged on two sides of the heating chip 1 and the temperature detection sensor 2, a displacement sensor 5 is arranged on the magnetic seat 4, the displacement sensor 5 is electrically connected with one end of the temperature control device 3, the other end of the temperature control system 3 is electrically connected with one end of the voltage transformation device 10, and the other end of the voltage transformation device 10 is electrically connected with the input power supply 11.
In the use process, the heating chip 1, the temperature detection sensor 2 and the temperature control device 3 are combined into a temperature control system through the voltage transformation device 10; the ball screw 6 is arranged in the machine tool guide rail 8, the ball screw 6 is supported by screw brackets 9 at two ends of the ball screw 6, the heating chip 1 can be directly attached to the surface of the ball screw 6, when the space is limited, the heating chip 1 and the heat conducting ring 12 can be connected to locally heat the ball screw 6, the heat conducting ring 12 is directly attached to the surface of the ball screw 6, the heating chip 1 is attached to the outside of the heat conducting ring 12, the temperature detection sensor 2 is small in size and is of a diaphragm type, and can be directly attached to the surface of the ball screw 6; the magnetic seats 4 and the displacement sensors 5 are placed at proper positions on two sides of the ball screw 6, the magnetic seats 4 are adsorbed on the machine tool guide rail 8, the displacement sensors 5 detect the elongation of the ball screw 6, and when the process requirement value is reached, the heating is stopped, and the locking nuts 7 at two ends are locked.
The device mainly comprises the steps of locally heating the ball screw 6 through a heating chip 1 with controllable temperature according to the metal thermal elongation characteristic, ensuring the thermal elongation of the ball screw 6 through a temperature control system, locking the preloaded ball screw 6 by a locking nut 7, cooling the ball screw 6 to the ambient temperature through a temperature control device 3, and achieving the purpose of applying the preload when the ball screw 6 is restored to the initial state; the device is used for applying controllable preload to the high-precision ball screw 6, the heating chips 1 can be randomly distributed according to the assembly characteristics of the heated ball screw 6, the operation is convenient, the operation can be performed in a narrow space, and the controllable range of preload can be applied to the ball screws 6 with different specifications.
Claims (2)
1. A high-precision ball screw preloaded device, characterized in that: the temperature control device comprises a heating chip (1), a temperature detection sensor (2), a temperature control device (3), a magnetic seat (4), a displacement sensor (5) and a voltage transformation device (10), wherein the heating chip (1) and the temperature detection sensor (2) are several in number and are respectively and electrically connected with one end of the temperature control device (3); a magnetic seat (4) is arranged on two sides of a heating chip (1) and two sides of a temperature detection sensor (2), a displacement sensor (5) is arranged on each magnetic seat (4), each displacement sensor (5) is electrically connected with one end of a temperature control device (3), the other end of the temperature control device (3) is electrically connected with one end of a voltage transformation device (10), and the other end of the voltage transformation device (10) is electrically connected with an input power supply (11).
2. The apparatus for applying a preload to a high precision ball screw as defined in claim 1 wherein: the number of heating chips (1) and temperature detection sensors (2) is determined according to the length and size of the ball screw (6) to which the preload is applied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323195047.1U CN221303875U (en) | 2023-11-27 | 2023-11-27 | Device for applying preload to high-precision ball screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323195047.1U CN221303875U (en) | 2023-11-27 | 2023-11-27 | Device for applying preload to high-precision ball screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221303875U true CN221303875U (en) | 2024-07-09 |
Family
ID=91742743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323195047.1U Active CN221303875U (en) | 2023-11-27 | 2023-11-27 | Device for applying preload to high-precision ball screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221303875U (en) |
-
2023
- 2023-11-27 CN CN202323195047.1U patent/CN221303875U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101386136B (en) | Self locking device for clamping articles | |
| CN106404574A (en) | High-temperature micro-nano press mark test device and method in vacuum environment | |
| CN206132533U (en) | Micro -nano indentation testing arrangement of high temperature under vacuum environment | |
| CN221303875U (en) | Device for applying preload to high-precision ball screw | |
| CN114573218B (en) | Accurate loading device and accurate loading board are to board hot stamping equipment | |
| CN210600075U (en) | Double-nut seat device for pre-tightening ball screw | |
| CN207248663U (en) | A kind of temperature shock case | |
| CN101791771B (en) | Thermal error differential screw compensating device and using method thereof | |
| CN103273328A (en) | Large-stroke micro-drive precise two-dimensional worktable | |
| CN211939748U (en) | Novel electric power steering input shaft and output shaft pressure equipment torsion bar centering device | |
| CN208210356U (en) | A kind of device for eliminating the thermal expansion of plate conductive heater | |
| CN201136105Y (en) | Exactly positioning apparatus for feed of ram | |
| CN204818975U (en) | Digit control machine tool that positioning accuracy is high | |
| CN104741966A (en) | Disc type milling and clamping equipment | |
| CN106112011B (en) | A kind of hot machining method and device of temperature-controllable | |
| CN103286710B (en) | A kind of self clamping device expanded based on thermic line | |
| Navarro y de Sosa et al. | Novel compensation of axial thermal expansion in ball screw drives | |
| KR100283767B1 (en) | Active Vibration Isolation Using Thermal Drive Mechanism | |
| CN216077448U (en) | SMA driver suitable for nuclear power narrow space | |
| CN204480052U (en) | A kind of heliostat for tower type solar energy thermal power generation and elevation drive thereof | |
| CN204525000U (en) | A kind of disc type milling clamping apparatus | |
| CN2651520Y (en) | Nanometer ball screw | |
| CN205780669U (en) | A kind of can the machine tool ball screw of quick heat radiating | |
| CN202655856U (en) | Constant temperature difference pre-stretching device for screw | |
| CN1274980C (en) | Nanometer class ballscrew and driving method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |