CN202021540U - Linear motor driving device for reciprocating follow-up control of spindle of honing machine - Google Patents
Linear motor driving device for reciprocating follow-up control of spindle of honing machine Download PDFInfo
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- CN202021540U CN202021540U CN 201120077794 CN201120077794U CN202021540U CN 202021540 U CN202021540 U CN 202021540U CN 201120077794 CN201120077794 CN 201120077794 CN 201120077794 U CN201120077794 U CN 201120077794U CN 202021540 U CN202021540 U CN 202021540U
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Abstract
The utility model relates to a honing machine tool, in particular to a linear motor driving device for reciprocating follow-up control of a spindle of a honing machine. The driving device comprises a tool body, a honing machine spindle system, a hydraulic reverse driving system and a control system, wherein the honing machine spindle system, the hydraulic reverse driving system and the control system are arranged on the tool body; the driving device is characterized in that the hydraulic reverse driving system of the honing machine comprises a spindle hydraulic cylinder and a mechanical hydraulic servo valve controlling reciprocating movement of the spindle hydraulic cylinder; a valve body in the mechanical hydraulic servo valve is connected with a movement piece in the spindle hydraulic cylinder; a valve plug in the mechanical hydraulic servo valve is connected with a switching mechanism through a connecting piece; the switching mechanism consists of a linear motor arranged on the tool body; one end of the connecting piece is connected with the valve plug in the mechanical hydraulic servo valve; the other end of the connecting piece is connected with a linear movement piece in the linear motor; and the linear motor and the switching mechanism are controlled by the control system. The reciprocating follow-up control device for the spindle of the honing machine has a simple structure and is reliable in control, low in price and convenient in adjustment, operation and maintenance.
Description
Affiliated technical field
The utility model relates to the reciprocal servo-actuated control of a kind of plover mill machine, particularly honing machine spindle linear motor driver.
Background technology
The plover mill machine main shaft needs to move reciprocatingly in the honing process, the core manufacturing technology that the reciprocal numerically controlled technology of plover mill machine main shaft is a plover mill machine, and it has determined the height of the performance and the honing technique level of plover mill machine.
At present, the spindle reciprocating motion of high-grade plover mill machine has been realized numerical control, the control driving method of the reversing control system of its spindle reciprocating motion hydraulic cylinder has two kinds, the electro-hydraulic position commutation closed-loop control drive system that the first adopts electro-hydraulic servo proportioning valve and main shaft displacement transducer to form realizes the numerical control of main shaft commutation; It two is to adopt the special-purpose rotary valve of special honing, convert the linear reciprocating motion of machine tool chief axis to valve inner control parts rotatablely move, guide's control section of valve rotates under motor-driven, put closed loop with the rotation that main shaft back and forth produces by special mechanism's formation whirler liquid level, by the electric interfaces of rotary valve controller, realize the numerical control of main shaft reciprocating reversing again.
In above-mentioned two kinds of main shaft reciprocating reversing control systems, the electro-hydraulic position commutation closed-loop control system that electro-hydraulic servo proportioning valve and main shaft displacement transducer are formed, its electro-hydraulic servo proportioning valve is expensive and harsh to service condition; And adopt the reciprocating reversing control system of the special-purpose rotary valve of special honing, it need be transformed into the linear movement of main shaft the whirler liquid level that rotatablely moves with complicated and put closed-loop system, the production cost of reversing control system is improved greatly, also make simultaneously the debugging of system, maintaining very loaded down with trivial details.
Summary of the invention
The purpose of this utility model is the defective that overcomes above-mentioned prior art, a kind of action that utilizes linear electric motors to control mechanical hydraulic efficiency servo-valve is provided, the digital control function of the speed of the spindle reciprocating motion of realization plover mill machine, position, commutation, the hydraulic pressure position closed loop that promptly adopts numerical controlled machinery position closed loop and linear mechanical hydraulic efficiency servo-valve to form realizes that linear motor driver is controlled in the controlled reciprocal servo-actuated of honing machine spindle of speed, position, commutation of the spindle reciprocating motion of plover mill machine.
The technical solution of the utility model: the reciprocal servo-actuated control of a kind of honing machine spindle linear motor driver, comprise lathe bed, be installed in the honing machine spindle system on the lathe bed, hydraulic pressure commutation drive system and control system, the hydraulic pressure commutation drive system that it is characterized in that honing machine comprises the machinery Hydraulic Servo valve that main axle hydraulic pressure cylinder and control main axle hydraulic pressure cylinder move back and forth, valve body in the machinery Hydraulic Servo valve links to each other with moving member in the main axle hydraulic pressure cylinder, spool in the machinery Hydraulic Servo valve links to each other with switching mechanism by connector, switching mechanism is controlled by control system, above-mentioned switching mechanism is made up of the linear electric motors that are installed on the lathe bed, one end of connector links to each other with spool in the machinery Hydraulic Servo valve, the other end links to each other with linearly moving member in the linear electric motors, and linear electric motors are controlled by control system.
Moving member in the above-mentioned main axle hydraulic pressure cylinder is a piston rod, on the top of piston rod connector is installed, and the valve body in the machinery Hydraulic Servo valve links to each other with piston rod by connector.
Characteristics of the present utility model are: 1, the utility model utilizes linear electric motors to control the action of mechanical hydraulic efficiency servo-valve, can realize speed, the position of main axle hydraulic pressure cylinder, the servo-actuated control of commutation, the hydraulic pressure position closed loop that promptly adopts numerical controlled machinery position closed loop and linear mechanical hydraulic efficiency servo-valve to form, the digital control function of the speed of realization hydraulic cylinder, position, commutation.
2, adopt linear electric motors as guide's control module, the machinery Hydraulic Servo valve conduct that will have the linear machine characteristic is with moving cell, form fully independently two cover position closed loop unit, the former adopts signal of telecommunication position closed loop, the latter is by the follow-up characteristic of machinery Hydraulic Servo valve, the debugging of system can be adopted the method that electric and hydraulic pressure are debugged respectively, has reduced the difficulty of debugging work, finds the place of problem when also being convenient to go wrong fast.
Compare with existing high-grade reciprocating motion numerical control device, the utility model does not need costliness and the electro-hydraulic servo proportioning valve harsh to service condition, and the previous electro-hydraulic position closed loop of order is split into the hydraulic pressure position closed loop of numerical controlled machinery position closed loop and linear mechanical hydraulic servo composition, the position closed loop that is about to a complexity splits into two simple relatively position closed loops, make the debugging of system become simple, improved the reliability of system works, reduced user of service's the specification requirement and the composition cost of system.
Compare with the numerical control method that adopts the special-purpose rotary valve of special honing, owing to adopt linear mechanical hydraulic efficiency servo-valve commonly used to replace the special-purpose rotary valve of honing, the linear movement of honing main shaft linear movement direct and spool constitutes the following position closed loop, not needing linear movement with main shaft to be transformed into rotatablely moves, more do not need complicated whirler liquid level to put closed loop, its operation principle, drive and feedback system, frame for movement etc. are different fully, and because the machinery Hydraulic Servo valve is simple in structure, reduce the cost of construction system, and improved the convenience of system maintenance maintenance.
3, adopt the enlarger of the good machinery Hydraulic Servo valve of linear properties in the utility model as mechanical force, can drive than heavy load, the main shaft that range of application also not only is confined to plover mill machine back and forth drives control, is applicable to that also other need numerical control and hydraulically powered various occasion.The machinery Hydraulic Servo valve of adapted can be that bilateral guiding valve also can be a four-side.
4, the used automatically controlled and machinery Hydraulic Servo element of the utility model is extensive use of in the Machine-Tool Control field, therefore cheap, the reliability height, under technical conditions such as same position control accuracy and commutation response speed, its price has only 1/3-1/5 of import electro-hydraulic servo proportioning valve and special-purpose reversing rotary valve, be the demanding high-grade hydraulic pressure commutation numerical control drive units of technical conditions such as position control accuracy and commutation response speed simultaneously, provide a kind of simple in structure, control is reliable, cheap, be convenient to adjust, the honing machine hydraulic reciprocating movement follow-up control device of operation and maintenance.
This device proves by experiment, can satisfy high-grade plover mill machine main shaft is back and forth driven the requirement of control, and be the ideal device that substitutes import electro-hydraulic servo proportioning valve and special-purpose rotary valve, the development of China's plover mill machine is had great Practical significance.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, the line rail 6 that drives the stability that main axle hydraulic pressure cylinder 10, linear electric motors and assurance connector 5 that honing machine spindle moves back and forth move up and down is installed on the lathe bed of honing machine, connector 5 is installed on the online rail.
Shown in the figure 1 is that digitial controller, 2 is that servo-driver, 8 is servomotor, digitial controller, servo-driver and servomotor link to each other by cable, displacement according to main axle hydraulic pressure cylinder 10 is wanted, set by digitial controller, the pressure of hydraulic system is to provide by hydraulic pump 9.
During work, according to the program that sets, servo-driver sends instruction moves down the linearly moving member 22 in the linear electric motors, the connector 5 that drive links to each other with linearly moving member moves down, thereby drive with machinery Hydraulic Servo valve that connector 5 links to each other in spool 14 move down, connect hydraulic cylinder to underpass, the piston rod 11 in the hydraulic cylinder is moved down, drive honing machine spindle and the honing head 15 that is installed on the main shaft moves down.When piston rod 11 moves down, by the connector 13 that is installed in piston-rod lower end, drive moves down with valve body 12 and honing head 15 in the machinery Hydraulic Servo valve that connector 13 links to each other, when honing head moves to desired location, digitial controller sends instruction, by servo-driver linear electric motors are moved up equally, the spool 14 that drives in the machinery Hydraulic Servo valve by connector moves up, connect the upwards path of hydraulic cylinder, piston rod is moved up, the drive valve body is followed spool and is moved up, thereby has constituted by linear electric motors, spool, piston rod, the reciprocal servomechanism of hydraulic pressure that valve body and connector are formed.The said process that moves in circles just can be finished the honing of workpiece to be machined.
Above-mentioned linear electric motors, spool, piston rod, valve body and connector have just been formed the reciprocal servomechanism of hydraulic pressure of the technical program.
Claims (2)
1. linear motor driver is controlled in the reciprocal servo-actuated of honing machine spindle, comprise lathe bed, be installed in the honing machine spindle system on the lathe bed, hydraulic pressure commutation drive system and control system, the hydraulic pressure commutation drive system that it is characterized in that honing machine comprises the machinery Hydraulic Servo valve that main axle hydraulic pressure cylinder (10) and control main axle hydraulic pressure cylinder move back and forth, valve body in the machinery Hydraulic Servo valve (12) links to each other with moving member in the main axle hydraulic pressure cylinder, spool in the machinery Hydraulic Servo valve (14) links to each other with switching mechanism by connector (5), switching mechanism is controlled by control system, above-mentioned switching mechanism is made up of the linear electric motors (21) that are installed on the lathe bed, one end of connector (5) links to each other with spool (14) in the machinery Hydraulic Servo valve, the other end links to each other with linearly moving member (22) in the linear electric motors, and linear electric motors are controlled by control system.
2. the reciprocal servo-actuated control of honing machine spindle according to claim 1 linear motor driver, it is characterized in that the moving member in the above-mentioned main axle hydraulic pressure cylinder is piston rod (11), on the top of piston rod (11) connector (13) is installed, the valve body in the machinery Hydraulic Servo valve (12) links to each other with piston rod by connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120077794 CN202021540U (en) | 2011-03-23 | 2011-03-23 | Linear motor driving device for reciprocating follow-up control of spindle of honing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120077794 CN202021540U (en) | 2011-03-23 | 2011-03-23 | Linear motor driving device for reciprocating follow-up control of spindle of honing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202021540U true CN202021540U (en) | 2011-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120077794 Expired - Lifetime CN202021540U (en) | 2011-03-23 | 2011-03-23 | Linear motor driving device for reciprocating follow-up control of spindle of honing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202021540U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189480A (en) * | 2011-03-23 | 2011-09-21 | 宁夏银川大河数控机床有限公司 | Reciprocating follow-up control linear motor driving device for main shaft of honing machine |
| WO2012126376A1 (en) * | 2011-03-23 | 2012-09-27 | 宁夏银川大河数控机床有限公司 | Hydraulic reciprocating servo control device |
| WO2012126378A1 (en) * | 2011-03-23 | 2012-09-27 | 宁夏银川大河数控机床有限公司 | Reciprocating servo control device for mainshaft of honing machine |
| CN105065375A (en) * | 2015-09-02 | 2015-11-18 | 哈尔滨工业大学 | Electro-hydraulic servo pressure device |
-
2011
- 2011-03-23 CN CN 201120077794 patent/CN202021540U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189480A (en) * | 2011-03-23 | 2011-09-21 | 宁夏银川大河数控机床有限公司 | Reciprocating follow-up control linear motor driving device for main shaft of honing machine |
| WO2012126376A1 (en) * | 2011-03-23 | 2012-09-27 | 宁夏银川大河数控机床有限公司 | Hydraulic reciprocating servo control device |
| WO2012126378A1 (en) * | 2011-03-23 | 2012-09-27 | 宁夏银川大河数控机床有限公司 | Reciprocating servo control device for mainshaft of honing machine |
| US9482243B2 (en) | 2011-03-23 | 2016-11-01 | Ningxia Yinchuan Dahe Cnc Machine Co., Ltd. | Reciprocating servo control device for mainshaft of honing machine |
| CN105065375A (en) * | 2015-09-02 | 2015-11-18 | 哈尔滨工业大学 | Electro-hydraulic servo pressure device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111102 Effective date of abandoning: 20130612 |
|
| RGAV | Abandon patent right to avoid regrant |