CN117655760A - Hydrostatic guideway stay wire driving mechanism - Google Patents
Hydrostatic guideway stay wire driving mechanism Download PDFInfo
- Publication number
- CN117655760A CN117655760A CN202211041547.7A CN202211041547A CN117655760A CN 117655760 A CN117655760 A CN 117655760A CN 202211041547 A CN202211041547 A CN 202211041547A CN 117655760 A CN117655760 A CN 117655760A
- Authority
- CN
- China
- Prior art keywords
- slider
- guide rail
- sliding block
- driving mechanism
- base
- 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.)
- Pending
Links
- 230000002706 hydrostatic effect Effects 0.000 title claims abstract description 8
- 238000004804 winding Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009763 wire-cut EDM Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/017—Arrangements of ways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention provides a hydrostatic guideway stay wire driving mechanism. The device solves the problem that the sliding block is driven to move by a screw rod or a linear motor in the existing machining process, and both the sliding block and the linear motor have certain defects. According to the invention, the position of the sliding block is adjusted through the driving pull rope and the counterweight pull rope which are respectively arranged at the two ends of the sliding block, the sliding block is driven to move through the motor, the driving pull rope and the counterweight pull rope are tensioned through the counterweight block fixedly arranged on the counterweight pull rope, and the sliding block is driven to move in the direction away from the motor, so that the loss is small in the moving process of the driving sliding block, the replacement is convenient, and the machining precision is not influenced after the sliding block is used for a long time.
Description
Technical Field
The invention relates to the technical field of processing equipment, in particular to a guide rail stay wire driving mechanism.
Background
In the precision machining machine tool, there are precision machining machine tools such as wire-cut electrical discharge machining, precise internal and external circular grinding machines, optical linear grinding machines, etc., its characteristic is high in precision, processing speed is slow, require 0.1-1 micron to feed the resolution while processing, the actuating mechanism of the guide rail usually adopts the numerical control motor to drive the ball screw, but the ball screw has reverse clearance, the reverse clearance will be greater than and feed the resolution usually, especially after the partial wear, the reverse clearance is unevenly distributed in every position, can cause the vibration to lead to the processing precision to be reduced, the existing substituted method is to replace the structure of the numerical control motor and ball screw with the linear numerical control motor, but the linear numerical control motor has the problem of heating and inherent vibration, still use the hydrostatic screw to replace the ball screw to drive, but because the manufacturing of the hydrostatic screw is difficult, the cost is higher, difficult to use in a large scale, the precision machine tool industry needs a kind to reach and does not have reverse clearance, there is no heating and low-cost actuating mode at the same time when the requirement of 0.1-1 micron to feed the resolution.
Disclosure of Invention
Aiming at the existing situation, the invention provides the guide rail stay wire driving mechanism which can meet the requirement of 0.1-1 micrometer feeding resolution, has no reverse gap, no heating and lower cost.
The invention aims at realizing the following technical scheme: the guide rail stay wire driving mechanism comprises a sliding block and a base, and is characterized in that a guide rail for moving in the length direction of the base is fixedly arranged on the base, the sliding block is movably arranged on the base through the guide rail, two ends of the sliding block are respectively fixedly provided with a driving stay rope and a counterweight stay rope, one end, far away from the sliding block, of the driving stay rope is fixedly provided with a numerical control motor, one end of the driving stay rope is wound on a rotating shaft of the numerical control motor, and one end, far away from the sliding block, of the counterweight stay rope is fixedly provided with a counterweight block.
Preferably, the base is rotatably provided with a roller, the counterweight pull rope is sleeved on the roller, and the roller and the sliding block are positioned on the same plane.
Preferably, a rotating seat is fixedly arranged at one end, far away from the numerical control motor, of the base, and the roller is rotatably arranged on the rotating seat.
Preferably, the guide rail is a hydrostatic guide rail.
Preferably, the speed of the numerical control motor driving sliding block to move is smaller than 1mm/s.
Preferably, the rotating shaft is provided with a winding groove for clamping the driving pull rope.
Compared with the prior art, the invention has the following beneficial effects: the position of the sliding block is adjusted through the driving pull ropes and the counterweight pull ropes which are respectively arranged at the two ends of the sliding block, the rotating shaft is driven to rotate through the numerical control motor and the speed reducer and drive the driving pull ropes to move, the driving pull ropes and the counterweight pull ropes are tensioned through the counterweight blocks which are fixedly arranged on the counterweight pull ropes, loss is small in the process of driving the sliding block to move, and the requirements of 0.1-1 micrometer feeding resolution are met, and meanwhile, no reverse gap, no heating and low cost are achieved.
Drawings
FIG. 1 is an overall structural view of the present invention;
fig. 2 is an enlarged view at a in fig. 1.
The marks in the figure: 1. a slide block; 2. a base; 3. a guide rail; 10. driving a pull rope; 11. a counterweight pull rope; 12. A numerical control motor; 13. balancing weight; 14. a roller; 15. a rotating seat; 16. a rotating shaft; 17. and a winding slot.
Detailed Description
The invention is further described below with reference to embodiments shown in the drawings in which:
the guide rail stay wire driving mechanism comprises a slide block 1 and a base 2, wherein a guide rail 3 moving in the length direction of the base 2 is fixedly arranged on the base 2, the slide block 1 is movably arranged on the base 2 through the guide rail 3, the guide rail 3 is a hydrostatic guide rail, two ends of the slide block 1 are respectively fixedly provided with a driving stay rope 10 and a counterweight stay rope 11, one end of the driving stay rope 10 far away from the slide block 1 is fixedly provided with a numerical control motor 12 for driving the slide block 1 to move, the speed of the movement of the numerical control motor 12 for driving the slide block 1 is less than 1mm/s, one end of the driving stay rope 10 far away from the slide block 1 is wound on a rotating shaft 16 of the numerical control motor 12, a winding groove 17 for clamping the driving stay rope 10 is arranged on the rotating shaft 16, the driving stay rope 10 on the rotating shaft 16 is wound in the winding groove 17, the numerical control motor 12 is provided with a speed reducer for reducing the rotating speed of the rotating shaft 16, the rotating shaft 16 is arranged on the speed reducer, one end of the counterweight pull rope 11 far away from the sliding block 1 is fixedly provided with a balancing weight 13, the position of the sliding block 1 is adjusted through the driving pull rope 10 and the counterweight pull rope 11 which are respectively arranged at the two ends of the sliding block 1, the rotating shaft 16 is driven to rotate and drive the driving pull rope 10 to move through the numerical control motor 12 and the speed reducer, the driving pull rope 10 and the counterweight pull rope 11 are tensioned through the balancing weight 13 which is fixedly arranged on the counterweight pull rope 11, the loss is small in the moving process of the driving sliding block 1, the replacement is convenient, the requirement of 0.1-1 micrometer feeding resolution is met, no reverse gap and no heating are generated, the cost is low, the processing precision is not influenced after the numerical control motor is used for a long time, the driving pull rope 10 and the counterweight pull rope 11 are flexible pull ropes and can not stretch and deform after being stretched.
The base 2 is rotatably provided with a roller 14, the counterweight pull rope 11 is sleeved on the roller 14, the roller 14 and the sliding block 1 are positioned on the same plane, one end of the base 2, which is far away from the numerical control motor 12, is fixedly provided with a rotating seat 15, and the roller 14 is rotatably arranged on the rotating seat 15. A certain gap is reserved between one end of the counterweight stay rope 11 far away from the sliding block 1 and the base 2, so that the counterweight 13 is prevented from being contacted with the base 2.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. Guide rail stay wire driving mechanism, including slider (1) and base (2), its characterized in that, fixed guide rail (3) that are provided with base (2) length direction and remove on base (2), slider (1) is through this guide rail (3) activity setting on base (2), the both ends of slider (1) are fixed respectively and are provided with a drive stay cord (10) and counterweight stay cord (11), and the one end that slider (1) was kept away from to this drive stay cord (10) is fixed to be provided with a numerical control motor (12) that drive this slider (1) removed, and the one end that slider (1) was kept away from to above-mentioned drive stay cord (10) is around establishing on pivot (16) of this numerical control motor (12), the one end that slider (1) was kept away from to counterweight stay cord (11) is fixed to be provided with a balancing weight (13).
2. The guide rail wire driving mechanism as claimed in claim 1, wherein a roller (14) is rotatably disposed on the base (2), the counterweight pull rope (11) is sleeved on the roller (14), and the roller (14) and the slider (1) are located on the same plane.
3. The wire pulling driving mechanism for guide rail according to claim 2, wherein a rotating seat (15) is fixedly arranged at one end of the base (2) far away from the numerical control motor (12), and the roller (14) is rotatably arranged on the rotating seat (15).
4. The guide wire pull driving mechanism according to claim 1, wherein the guide wire (3) is a hydrostatic guide wire.
5. The guide rail stay driving mechanism according to claim 1, wherein the speed at which the numerical control motor drives the slider (1) to move is less than 1mm/s.
6. The guide rail stay driving mechanism according to claim 1, wherein the rotating shaft (16) is provided with a winding groove (17) for clamping the driving stay cord (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211041547.7A CN117655760A (en) | 2022-08-29 | 2022-08-29 | Hydrostatic guideway stay wire driving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211041547.7A CN117655760A (en) | 2022-08-29 | 2022-08-29 | Hydrostatic guideway stay wire driving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117655760A true CN117655760A (en) | 2024-03-08 |
Family
ID=90064834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211041547.7A Pending CN117655760A (en) | 2022-08-29 | 2022-08-29 | Hydrostatic guideway stay wire driving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117655760A (en) |
-
2022
- 2022-08-29 CN CN202211041547.7A patent/CN117655760A/en active Pending
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |