CN201998044U - Honing machine spindle reciprocating follow-up control device - Google Patents
Honing machine spindle reciprocating follow-up control device Download PDFInfo
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- CN201998044U CN201998044U CN 201120077811 CN201120077811U CN201998044U CN 201998044 U CN201998044 U CN 201998044U CN 201120077811 CN201120077811 CN 201120077811 CN 201120077811 U CN201120077811 U CN 201120077811U CN 201998044 U CN201998044 U CN 201998044U
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Abstract
The utility model relates to a honing machine tool, in particular to a honing machine spindle reciprocating follow-up control device, which comprises a lathe bed, a honing machine spindle mechanism arranged on the lathe bed, a hydraulic reversing drive system and a control system. The device is characterized in that: a hydraulic reversing drive system of the honing machine comprises a spindle hydraulic cylinder and a mechanical hydraulic servo valve controlling the spindle hydraulic cylinder to reciprocate; a valve body of the mechanical hydraulic servo valve is connected with a piston rod in the spindle hydraulic cylinder through a connecting mechanism; one end of a connecting piece is connected with a valve core in the mechanical hydraulic servo valve, and the other end of the connecting piece is connected with a switching mechanism; and the switching mechanism is controlled by a servo drive control system. A numerical control mechanical position closed loop and a hydraulic position closed loop consisting of a linear mechanical hydraulic servo valve are adopted to realize numerical control of speed, position and reversing of a spindle hydraulic cylinder of the honing machine, and the honing machine spindle reciprocating follow-up control device is simple in structure, reliable in control, low in price, and convenient to adjust, operate and maintain.
Description
Affiliated technical field
The utility model relates to the reciprocal follow-up control device of a kind of plover mill machine, particularly honing machine spindle.
Background technology
The needing to do in the honing process of plover mill machine main shaft moves back and forth, 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 electrical apparatus interface of rotary valve controller, realize the numerical control of main shaft commutation again.
In above-mentioned two kinds of main shaft 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 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 numerical control device to control mechanical hydraulic efficiency servo-valve is provided, the servo-actuated control 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, the controlled reciprocal follow-up control device of honing machine spindle of speed, position, commutation of the spindle reciprocating motion of composition plover mill machine.
The technical solution of the utility model: comprise lathe bed, be installed in the honing machine spindle system on the lathe bed, hydraulic pressure exchange system and control system, the hydraulic pressure exchange 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 piston rod in the main axle hydraulic pressure cylinder by bindiny mechanism, spool in the machinery Hydraulic Servo valve links to each other with connector, connector is fixedly mounted in the switching mechanism, and switching mechanism is controlled by the driven by servomotor control system of band position probing.
On above-mentioned lathe bed line slideway is installed, connector or switching mechanism are installed on the line slideway.
The bindiny mechanism that valve body in the above-mentioned machinery Hydraulic Servo valve links to each other with piston rod in the main axle hydraulic pressure cylinder is by forming with the moving member of main axle moving and the connector that is installed on the moving member, and connector links to each other with valve body in the machinery Hydraulic Servo valve.
The bindiny mechanism that valve body in the above-mentioned machinery Hydraulic Servo valve links to each other with piston rod in the main axle hydraulic pressure cylinder is made up of main spindle box that is installed in the piston rod top in the main axle hydraulic pressure cylinder and the connector that is installed on the main spindle box, and connector links to each other with valve body in the machinery Hydraulic Servo valve.
Above-mentioned switching mechanism by be fixedly mounted on servomotor on the lathe bed, be installed in the servomotor output active profile of tooth belt wheel, be installed on the lathe bed and the corresponding passive profile of tooth belt wheel of active profile of tooth belt wheel and be installed in initiatively the odontoid belt between profile of tooth belt wheel, the passive profile of tooth belt wheel and form, one end of connector links to each other with spool in the machinery Hydraulic Servo valve, the other end is fixed on the odontoid belt, connector and line slideway are matchedly connected, and can slide along line slideway, servomotor is controlled by control system.
Above-mentioned switching mechanism also can by be fixedly mounted on servomotor on the lathe bed, be installed in the servomotor output drive sprocket, be installed on the lathe bed and drive sprocket corresponding by movable sprocket and be installed in drive sprocket, formed by the chain between the movable sprocket, one end of connector links to each other with spool in the machinery Hydraulic Servo valve, the other end is fixed on the chain, connector and line slideway are matchedly connected, and can slide along line slideway, servomotor is controlled by control system.
Above-mentioned switching mechanism can also be by being fixedly mounted on servomotor on the lathe bed, being installed in the leading screw of servomotor output and forming with the nut that leading screw matches, one end of connector links to each other with spool in the machinery Hydraulic Servo valve, the other end links to each other with nut, connector and line slideway are matchedly connected, and can slide along line slideway, servomotor is controlled by control system.
Above-mentioned switching mechanism even can also form by the linear electric motors that are installed on the lathe bed, an end of connector links to each other with spool in the machinery Hydraulic Servo valve, and 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.
Characteristics of the present utility model are:
1, the utility model utilizes moving of numerical control driving device controls machinery Hydraulic Servo valve core, 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, the numerical control device that adopts widely used detection in the lathe and set straight-line displacement is as guide's control module, the machinery Hydraulic Servo valve conduct that will have the linear mechanical 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, can adopt the method that electric and hydraulic pressure are debugged respectively to the debugging of system, reduce the difficulty of debugging work, found the place of problem when also being convenient to go wrong rapidly.
Compare with existing high-grade reciprocating motion numerical control device, the utility model does not need costliness, the electro-hydraulic servo proportioning valve harsh to service condition, and the previous electro-hydraulic position closed loop of order can be split into the hydraulic pressure position closed loop that numerical controlled machinery position closed loop and linear machine hydraulic servo are formed, 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, driving and feedback system, frame for movement etc. are fully different, and because the machinery Hydraulic Servo valve is simple in structure, reduce the cost of construction system, and improved the convenience of system 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 the electro-hydraulic servo proportioning valve of import 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 the structural representation of the utility model embodiment 1;
Accompanying drawing 2 is the structural representation of the utility model embodiment 2;
Accompanying drawing 3 is the structural representation of the utility model embodiment 3;
Accompanying drawing 4 is the structural representation of the utility model embodiment 4.
The specific embodiment
Embodiment 1:
As shown in Figure 1, main axle hydraulic pressure cylinder 10, servomotor and the assurance connector 5 that the drive honing machine spindle moves back and forth moves up and down the line slideway 6 of stability, line slideway 6 is installed on the lathe bed of honing machine, connector 5 is installed on the line slideway, and honing head 15 is installed in the lower end of bindiny mechanism 13.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 hydraulic cylinder 10 is wanted, and sets by digitial controller, and the pressure of hydraulic system is to provide by hydraulic pump 9.
During work, according to the program that sets, servo-driver sends instruction turns clockwise servomotor, by being installed in the active profile of tooth belt wheel 7 on the servomotor output shaft, with the supporting passive profile of tooth belt wheel of active profile of tooth belt wheel 3 be installed in initiatively profile of tooth belt wheel, odontoid belt 4 reciprocating drive mechanism of forming and the connector 5 that is fixed on the cog belt between the passive profile of tooth belt wheel, rotatablely moving of servomotor changed into the rectilinear motion of connector 5, thereby the spool 14 that drives in the machinery Hydraulic Servo valve that links to each other with connector moves down, connect hydraulic cylinder to underpass, piston rod 11 in the hydraulic cylinder is moved down, and drive honing machine spindle and the honing head 15 that is installed on the main shaft move down.When piston rod 11 moved down, by connecting the bindiny mechanism 13 of the valve body 12 in piston rod and the machinery Hydraulic Servo valve, the valve body 12 that drives in the machinery Hydraulic Servo valve moved down, and the drive valve body is followed spool and moved down.When honing head moves to desired location, digitial controller sends instruction, by servo-driver servomotor is rotated counterclockwise equally, the spool 14 that drives in the machinery Hydraulic Servo valve moves up, connect the upwards path of hydraulic cylinder, piston rod is moved up, and the drive valve body is followed spool and is moved up, thereby has constituted the reciprocal servomechanism of the hydraulic pressure of being made up of servomotor, spool, piston rod, valve body and connector.
The reciprocal servomechanism of above-mentioned hydraulic pressure moves in circles when moving up and down, and just drives 15 pairs of workpieces to be machined of honing head and carries out honing processing.
Embodiment 2:
As shown in Figure 2, on the basis of embodiment 1, become chain with being installed in the switching mechanism that cog belt is formed on the servomotor output shaft, promptly on the servomotor output shaft, be equipped with drive sprocket 18, and drive sprocket corresponding by movable sprocket 16 and the switching mechanism that is installed in drive sprocket, formed by the chain between the movable sprocket 17, one end of connector 5 links to each other with spool 14 in the machinery Hydraulic Servo valve, and the other end is fixed on the chain.Other parts are identical with embodiment 1.
Embodiment 3:
As shown in Figure 3, on the basis of embodiment 1, become leading screw, nut with being installed in the switching mechanism that cog belt is formed on the servomotor output shaft, leading screw 19 promptly is installed on the servomotor output shaft, feed screw nut 20 links to each other with connector 5, one end of connector 5 links to each other with spool in the machinery Hydraulic Servo valve, and the other end links to each other with nut, and other parts are identical with embodiment 1.
Embodiment 4:
As shown in Figure 4, on the basis of embodiment 1, become linear electric motors 21 with being installed in the switching mechanism that cog belt is formed on the servomotor output shaft, one end of connector 5 links to each other with spool in the machinery Hydraulic Servo valve, the other end links to each other with linearly moving member 22 in the linear electric motors, other parts are identical with embodiment 1, and linear electric motors are controlled by digitial controller 1 and servo-driver 2.
Claims (8)
1. reciprocal follow-up control device of honing machine spindle, comprise lathe bed, be installed in the honing machine spindle system on the lathe bed, hydraulic pressure exchange system and control system, the hydraulic pressure exchange 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 piston rod (11) in the main axle hydraulic pressure cylinder by bindiny mechanism, spool in the machinery Hydraulic Servo valve (14) links to each other with connector (5), connector (5) is fixedly mounted in the switching mechanism, and switching mechanism is controlled by control system.
2. the reciprocal follow-up control device of honing machine spindle according to claim 1 is characterized in that being equipped with line slideway (6) on above-mentioned lathe bed, connector (5) or switching mechanism are installed on the line slideway.
3. the reciprocal follow-up control device of honing machine spindle according to claim 1, it is characterized in that bindiny mechanism that the valve body (12) in the above-mentioned machinery Hydraulic Servo valve links to each other with piston rod in the main axle hydraulic pressure cylinder by forming with the moving member of main axle moving and the connector that is installed on the moving member, connector links to each other with valve body in the machinery Hydraulic Servo valve.
4. the reciprocal follow-up control device of honing machine spindle according to claim 1, it is characterized in that bindiny mechanism that the valve body (12) in the above-mentioned machinery Hydraulic Servo valve links to each other with piston rod in the main axle hydraulic pressure cylinder is made up of main spindle box that is installed in the piston rod top in the main axle hydraulic pressure cylinder and the connector that is installed on the main spindle box, connector links to each other with valve body in the machinery Hydraulic Servo valve.
5. according to claim 1 or the reciprocal follow-up control device of 2 or 3 described honing machine spindles, it is characterized in that above-mentioned switching mechanism is by the servomotor (8) that is fixedly mounted on the lathe bed, be installed in the active profile of tooth belt wheel (7) of servomotor output, be installed on the lathe bed with the corresponding passive profile of tooth belt wheel of active profile of tooth belt wheel (3) and be installed in initiatively profile of tooth belt wheel, odontoid belt (4) between the passive profile of tooth belt wheel is formed, one end of connector (5) links to each other with spool (14) in the machinery Hydraulic Servo valve, the other end is fixed on the odontoid belt, connector (5) is matchedly connected with line slideway, and can slide along line slideway, servomotor is controlled by control system.
6. according to claim 1 or the reciprocal follow-up control device of 2 or 3 described honing machine spindles, it is characterized in that above-mentioned switching mechanism is by the servomotor (8) that is fixedly mounted on the lathe bed, be installed in the drive sprocket (18) of servomotor output, be installed in corresponding by movable sprocket (16) and be installed in drive sprocket on the lathe bed with drive sprocket, formed by the chain between the movable sprocket (17), one end of connector (5) links to each other with spool (14) in the machinery Hydraulic Servo valve, the other end is fixed on the chain, connector (5) is matchedly connected with line slideway, and can slide along line slideway, servomotor is controlled by control system.
7. according to claim 1 or the reciprocal follow-up control device of 2 or 3 described honing machine spindles, it is characterized in that above-mentioned switching mechanism is by being fixedly mounted on servomotor (8) on the lathe bed, being installed in the leading screw (19) of servomotor output and the nut (20) that matches with leading screw is formed, 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 nut (20), connector (5) is matchedly connected with line slideway, and can slide along line slideway, servomotor is controlled by control system.
8. according to claim 2 or the reciprocal follow-up control device of 3 described honing machine spindles, it is characterized in that 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120077811 CN201998044U (en) | 2011-03-23 | 2011-03-23 | Honing machine spindle reciprocating follow-up control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120077811 CN201998044U (en) | 2011-03-23 | 2011-03-23 | Honing machine spindle reciprocating follow-up control device |
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| Publication Number | Publication Date |
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| CN201998044U true CN201998044U (en) | 2011-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120077811 Expired - Lifetime CN201998044U (en) | 2011-03-23 | 2011-03-23 | Honing machine spindle reciprocating follow-up control device |
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| CN (1) | CN201998044U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189482A (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 device of 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 |
-
2011
- 2011-03-23 CN CN 201120077811 patent/CN201998044U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189482A (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 device of 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 |
| CN102189482B (en) * | 2011-03-23 | 2013-06-12 | 宁夏银川大河数控机床有限公司 | Reciprocating follow-up control device of main shaft 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 |
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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: 20111005 Effective date of abandoning: 20130612 |
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| RGAV | Abandon patent right to avoid regrant |