CN114918830B - Control system of numerical control reciprocating type verticality grinding machine - Google Patents

Control system of numerical control reciprocating type verticality grinding machine Download PDF

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Publication number
CN114918830B
CN114918830B CN202210664564.XA CN202210664564A CN114918830B CN 114918830 B CN114918830 B CN 114918830B CN 202210664564 A CN202210664564 A CN 202210664564A CN 114918830 B CN114918830 B CN 114918830B
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China
Prior art keywords
module
grinding head
workpiece
control system
driving device
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CN202210664564.XA
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Chinese (zh)
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CN114918830A (en
Inventor
周志荣
汪润节
卢辉
何宁勇
高泉坤
汪龙飞
叶健康
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Zhaoqing Peak Machinery Technology Co Ltd
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Zhaoqing Peak Machinery Technology Co Ltd
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/14—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the temperature during grinding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The invention discloses a control system of a numerical control reciprocating type verticality grinding machine, which relates to the technical field of grinding machine equipment and comprises a driving unit, a control system unit, a monitoring unit and an alarm unit; the driving unit comprises a grinding head module, a workpiece positioning module, a grinding head feeding module and a reciprocating feeding module; the control system unit comprises a display screen, an operation panel and a servo control system, wherein the servo control system is connected with the driving unit and is used for controlling the servo driving device of the grinding head module, the workpiece positioning module, the grinding head feeding module and the reciprocating feeding module; the monitoring unit is used for monitoring each servo driving device when the equipment normally operates; the alarm unit comprises an alarm for judging whether to alarm according to the judging result of the monitoring unit on the servo driving device.

Description

Control system of numerical control reciprocating type verticality grinding machine
Technical Field
The invention relates to the technical field of grinding machine equipment, in particular to a control system of a numerical control reciprocating type verticality grinding machine.
Background
With the rapid development of the industry level, the workpiece is processed more and more finely, and the traditional grinding machine is a machine tool for grinding the surface of the workpiece by utilizing a grinding tool. Most of the numerical control grinders use grinding wheels rotating at high speed for grinding, and a few use other grinders such as whetstone, abrasive belt, and free abrasive for grinding.
When the two ends of the workpiece need to be polished simultaneously, the workpiece is required to be installed after being disassembled and overturned from the clamp, so that the grinding wheel polishes the other end of the workpiece, the polishing efficiency of the workpiece on the grinding machine is definitely reduced by the operation mode, and the increasingly improved production and processing requirements are difficult to meet.
Disclosure of Invention
The invention aims to provide a control system of a numerical control reciprocating type verticality grinding machine, which solves the following technical problems:
when the two ends of the workpiece need to be polished simultaneously, the workpiece is required to be installed after being disassembled and overturned from the clamp, so that the grinding wheel polishes the other end of the workpiece, the polishing efficiency of the workpiece on the grinding machine is definitely reduced by the operation mode, and the increasingly improved production and processing requirements are difficult to meet.
The aim of the invention can be achieved by the following technical scheme:
a control system of a numerical control reciprocating type verticality grinding machine comprises a driving unit, a control system unit, a monitoring unit and an alarm unit;
the driving unit comprises a grinding head module, a workpiece positioning module, a grinding head feeding module and a reciprocating feeding module; the grinding head modules are oppositely arranged at two sides of the frame and used for polishing the workpiece from two directions; the workpiece positioning module is arranged on one side of the grinding head modules on two sides and used for compacting and fixing the workpiece to be polished;
the grinding head feeding module is used for driving the grinding head module to move above the frame so as to realize position adjustment;
the control system unit comprises a display screen, an operation panel and a servo control system, wherein the servo control system is connected with the driving unit and is used for controlling the servo driving device of the grinding head module, the workpiece positioning module, the grinding head feeding module and the reciprocating feeding module;
the monitoring unit is used for monitoring each servo driving device when the equipment normally operates;
the alarm unit comprises an alarm for judging whether to alarm according to the judging result of the monitoring unit to the servo driving device.
Preferably, the display screen module performs information interaction with the operation panel, and the display content comprises an operation interface, a debugging interface, system setting, input monitoring and output monitoring.
Preferably, the servo control system is used for receiving control instructions of the operation panel and controlling the grinding head module, the workpiece positioning module, the grinding head feeding module and the reciprocating feeding module according to the input corresponding control parameters.
Preferably, the monitoring unit comprises a fixed-point acquisition end, the fixed-point acquisition end is used for acquiring the data of the operation of the servo driving device in the equipment,
wherein the acquired data includes an external chassis heating value p.
Preferably, the servo driving device comprises a first motor module, a second motor module, a side clamping cylinder module and an upper clamping cylinder module.
Preferably, the monitoring unit further comprises a data processing end, wherein the data processing end is used for processing the data acquired by the fixed-point acquisition end and calculating whether the servo driving device is heating risk equipment;
the data processing end further comprises a database, wherein the database is used for storing basic information of the servo driving device, and the basic information comprises working temperature intervals [ a, B ] and maintenance intervals [ A, B ].
Preferably, the data processing end is used for collecting the heating value p of the external casing of the servo driving device and the working temperature interval [ a, b ]]Comparing, ifJudging the servo driving device as normal equipment;
if it isThe servo drive is determined to be a risk device.
Preferably, the data processing end is further configured to obtain a real-time temperature change curve of the servo driving device over time t, obtain a real-time slope k of the curve, obtain a real-time temperature change rate v according to the real-time slope, and determine that k is equal to>0, and when the real-time temperature change rate v exceeds a preset threshold value, the overheat pre-warning time of the servo driving device is as follows:
preferably, the alarm unit further comprises a processing module, wherein the processing module is used for inspecting and overhauling the fault point according to the obtained fault value Gz;
calculating fault value Gz of each servo driving device, and adopting a calculation formula
Wherein mu is an error calibration factor, the value is 0.95, A1, A2 and A3 are weight factors, and the value is set by an operator.
Preferably, when the calculated fault value Gz does not belong to and is smaller than the lower limit value of the maintenance interval [ a, B ], the servo driving device is judged to operate normally without inspection maintenance;
when the calculated fault value Gz belongs to the maintenance interval [ A, B ], an alarm is opened to perform early warning work, and meanwhile, fault points are inspected and overhauled;
when the calculated fault value Gz does not belong to and is larger than the upper limit value of the maintenance interval [ A, B ], an alarm is started to perform early warning work, and meanwhile the servo driving device is replaced.
The invention has the beneficial effects that:
in the prior art, although the state of the servo driving device can be monitored in real time, only after the management system discovers that the equipment has abnormal conditions, the equipment fault information can be sent to maintenance personnel, so that the monitoring hysteresis is relatively large, the servo driving device cannot be maintained in time, and the servo driving device is damaged in an unrecoverable manner; according to the invention, the temperature condition of the servo driving device is monitored in real time, and the curve of the real-time temperature change of the servo driving device along with time is obtained, so that the real-time temperature increasing speed or the real-time temperature decreasing speed of the servo driving device is obtained, and the early warning time of the servo driving device exceeding the working temperature interval is calculated according to the real-time speed so as to perform early warning and processing, so that the normal operation of equipment is ensured.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic flow diagram of a control system for a numerically controlled reciprocating verticality grinder of the present invention;
FIG. 2 is a schematic diagram of the control system of the numerically controlled reciprocating verticality grinder of the present invention;
FIG. 3 is a schematic view of the structure of the grinding head feeding module in the control system of the numerical control reciprocating verticality grinding machine of the present invention;
FIG. 4 is a schematic diagram of a second motor in the control system of the numerically controlled reciprocating verticality grinder of the present invention;
FIG. 5 is a schematic diagram of the structure of a workpiece positioning module in the control system of the numerically controlled reciprocating verticality grinder of the present invention;
FIG. 6 is a schematic diagram of the structure of the feed cylinder in the control system of the numerically controlled reciprocating verticality grinder of the present invention.
In the figure: 1. a frame; 2. a grinding head module; 3. a grinding head feeding module; 4. a workpiece positioning module; 5. a reciprocating feeding module; 6. a display screen; 201. a first motor; 202. a belt; 203. a belt pulley; 204. a spindle box; 205. grinding wheel; 206. a circular core plate; 207. a grinding head fixing base; 301. a second motor; 302. feeding a grinding head into a base; 303. a screw rod; 304. a screw nut; 401. a workpiece positioning base; 402. a side clamping cylinder; 403. an upper clamping cylinder; 404. an L-shaped driving plate; 405. a first compression end; 406. an L-shaped positioning plate; 407. a third raised end; 408. a positioning rod; 409. a first protruding end; 410. a second raised end; 411. a second compression end; 412. a support plate; 501. a feeding base; 502. a feed cylinder; 601. an operation panel.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-3, the invention discloses a control system of a numerical control reciprocating type verticality grinding machine, which comprises a driving unit, a control system unit, a monitoring unit and an alarm unit;
the driving unit comprises a grinding head module 2, a workpiece positioning module 4, a grinding head feeding module 3 and a reciprocating feeding module 5; the grinding head modules 2 are oppositely arranged at two sides of the frame 1 and are used for polishing a workpiece from two directions; the workpiece positioning module 4 is arranged on one side of the grinding head modules 2 on two sides and is used for compacting and fixing a workpiece to be ground;
the grinding head module 2 is arranged on the surface of the grinding head feeding module 3 in a sliding manner, and the grinding head feeding module 3 is used for driving the grinding head module 2 to move above the frame 1 so as to realize position adjustment;
the control system unit comprises a display screen 6, an operation panel 601 and a servo control system, wherein the operation panel is used for setting each process parameter of the equipment and displaying each set data;
the display screen 6 performs information interaction with the operation panel, and display contents comprise an operation interface, a debugging interface, system setting, input monitoring and output monitoring so as to switch pictures;
the servo control system is connected with the driving unit and is used for controlling the servo driving devices of the grinding head module 2, the workpiece positioning module 4, the grinding head feeding module 3 and the reciprocating feeding module 5 so as to receive control instructions of the operation panel and control the grinding head module 2, the workpiece positioning module 4, the grinding head feeding module 3 and the reciprocating feeding module 5 according to the input corresponding control parameters;
the workpiece positioning module 4 is arranged on the surface of the reciprocating feeding module 5 in a sliding manner, and the reciprocating feeding module 5 is used for driving the workpiece positioning module 4 to reciprocate so as to realize reciprocating omnibearing polishing of a workpiece; in the actual production and processing process, after a workpiece to be polished is pressed and fixed by the workpiece positioning module 4, the workpiece positioning module 4 is driven to move by the reciprocating feeding module 5, so that the workpiece is just positioned between the grinding head modules 2 at two sides, the grinding head feeding module 3 drives the grinding head modules 2 to move towards the direction of the workpiece, and meanwhile, the grinding head modules 2 are started to polish the workpiece;
the polishing module comprises a main shaft box 204, a first motor 201 is arranged at the top of the main shaft box 204, a rotating shaft is rotationally arranged in the main shaft box 204, one end of the rotating shaft is in transmission connection with the output end of the first motor 201 through a belt 202 and a belt pulley 203, and the other end of the rotating shaft penetrates through the main shaft box 204 and is fixedly connected with a circular core plate 206 for mounting a grinding wheel 205; when a workpiece is polished, a first motor 201 is started, the output end of the first motor 201 drives a rotating shaft to rotate through a belt pulley 203 and a belt 202 in the rotating process, and a grinding wheel 205 is driven to rotate through a circular core plate 206 while the rotating shaft rotates so as to polish the workpiece;
referring to fig. 4, the grinding head feeding module 3 includes a grinding head feeding base 302, a grinding head fixing base 207 is fixedly installed at the bottom of the spindle box 204, and a pushing mechanism for driving the grinding head fixing base 207 to reciprocate is disposed in the grinding head feeding base 302;
the pushing mechanism comprises a second motor 301 arranged on one side of a grinding head feeding base 302, the output end of the second motor 301 is fixedly connected with a screw rod 303 which is rotationally arranged in the grinding head feeding base 302, a screw rod nut 304 is in threaded connection with the surface of the screw rod 303, the screw rod nut 304 is fixedly connected with a grinding head fixing base 207, when the relative position of a grinding head module 2 is adjusted, the second motor 301 is started, the second motor 301 drives the screw rod 303 to rotate, and the screw rod nut 304 drives a spindle box 204 to move through the grinding head fixing base 207 in the surface moving process of the screw rod 303, so that the position of the grinding head module 2 is adjusted;
referring to fig. 5, the workpiece positioning module 4 includes a workpiece positioning base 401, an L-shaped positioning plate 406 for carrying a workpiece is disposed at an end of the workpiece positioning base 401, a first compression end 405 for fixing the workpiece vertically is disposed above the L-shaped positioning plate 406, a second compression end 411 for fixing the workpiece laterally is disposed at one side of the L-shaped positioning plate 406, the first compression end 405 and the second compression end 411 are respectively connected with a first driving member and a second driving member for driving the workpiece to move towards the workpiece, in an actual operation process, the workpiece is placed in the L-shaped positioning plate 406 for preliminary fixing, two sides of the workpiece are respectively abutted with the L-shaped positioning plate 406, and then the first compression end 405 and the second compression end 411 are respectively driven by the first driving member and the second driving member to move towards the workpiece, so that the workpiece is abutted and compressed at two opposite sides, the workpiece is prevented from moving in a polishing process, and stability is higher;
referring to fig. 6, the first driving member includes an upper clamping cylinder 403 and an L-shaped driving plate 404, the upper clamping cylinder 403 and the installation direction of the workpiece positioning base 401 form a certain inclination angle, the inclination angle ranges from 30 ° to 90 °, the bottom of the side edge of the L-shaped driving plate 404 is rotationally connected with the workpiece positioning base 401 through a supporting plate 412, the top of the side edge of the L-shaped driving plate 404 is rotationally connected with the upper clamping cylinder 403, the end of the other side edge of the L-shaped driving plate 404 is fixedly connected with a first pressing end 405, the upper clamping cylinder 403 is started, the upper clamping cylinder 403 drives the supporting plate 412 to rotate around the connecting end with the workpiece positioning base 401 by pushing the top of the side edge of the L-shaped driving plate 404, and then the other side edge of the L-shaped driving plate 404 drives the first pressing end 405 to vertically press and fix the workpiece;
the second driving piece comprises a side clamping cylinder 402 and a positioning rod 408, a first protruding end 409, a second protruding end 410 and a third protruding end 407 are sequentially arranged on the same side of the positioning rod 408, the first protruding end 409 is hinged with a telescopic rod of the side clamping cylinder 402, the second protruding end 410 is hinged with the end part of the workpiece positioning base 401, the third protruding end 407 is hinged with a second pressing end 411, the side clamping cylinder 402 is started, the side clamping cylinder 402 drives the positioning rod 408 to rotate around the second protruding end 410 and the hinged end of the workpiece positioning base 401 by pushing the first protruding end 409, and then the third protruding end 407 of the positioning rod 408 drives the second pressing end 411 to move towards the direction of the workpiece, so that the workpiece is laterally pressed and fixed;
the reciprocating feeding module 5 comprises a feeding base 501, a feeding oil cylinder 502 is arranged at the bottom of the feeding base 501, and the output end of the feeding oil cylinder 502 is fixedly connected with the workpiece positioning base 401;
wherein the operation interface comprises:
mechanical coordinates: taking the initial position of the left grinding head module 2 as a coordinate 0, and displaying the coordinate value of the grinding head module 2 by the actual distance of the rightward movement of the grinding head module 2;
taking the initial position of the right grinding head module 2 as a coordinate 0, and displaying the coordinate value of the grinding head module 2 by the actual distance of the left movement of the grinding head module 2;
processing position: clicking a processing position button, setting the current position as a processing position, and zeroing processing coordinates so that the accumulated adjustment distance can be intuitively seen when the distance between the grinding head modules 2 at two sides is adjusted;
and (3) period display: for displaying the time for processing a product;
the primary processing number is as follows: the method comprises the steps of setting the number of products processed at one time;
production yield per day: and the motor output zero clearing button is used for counting the output of one-day production and clearing the output.
Cumulative production yield: and the motor accumulation zero clearing button is used for counting the accumulated production yield and clearing the yield.
The monitoring unit is used for monitoring each servo driving device when the equipment normally operates, and comprises a fixed-point acquisition end which is used for acquiring data of the operation of the servo driving device in the equipment, wherein the acquired data comprises an external shell heating value p;
the servo drive device comprises a first motor 201, a second motor 301, a side clamping cylinder 402 and an upper clamping cylinder 403;
the data processing end is used for processing the data acquired by the fixed-point acquisition end and calculating whether the servo driving device is heating risk equipment, wherein the data processing end further comprises a database, the database is used for storing basic information of the servo driving device, and the basic information comprises working temperature intervals [ a, B ] and maintenance intervals [ A, B ];
wherein the data processing end is used for collecting the heating value p of the external casing of the servo driving device and the working temperature interval [ a, b ]]Comparing, ifJudging the servo driving device as normal equipment;
if it isJudging the servo driving device as risk equipment;
the alarm unit comprises an alarm and is used for judging whether to alarm according to the judging result of the monitoring unit on the servo driving device;
the data processing end is also used for obtaining a change curve of the real-time temperature of the servo driving device along with time t, obtaining a real-time slope k of the curve, obtaining a real-time temperature change rate v according to the real-time slope, and when k is the same>0, and when the real-time temperature change rate v exceeds a preset threshold value, the overheat pre-warning time of the servo driving device is as follows:
in the prior art, although the state of the servo driving device can be monitored in real time, only after the management system discovers that the equipment has abnormal conditions, the equipment fault information can be sent to maintenance personnel, so that the monitoring hysteresis is relatively large, the servo driving device cannot be maintained in time, and the servo driving device is damaged in an unrecoverable manner;
according to the invention, the temperature condition of the servo driving device is monitored in real time, and the curve of the real-time temperature change of the servo driving device along with time is obtained, so that the real-time temperature increasing speed or the real-time temperature decreasing speed of the servo driving device is obtained, and the early warning time of the servo driving device exceeding the working temperature interval is calculated according to the real-time speed;
the data processing end is also used for calculating the fault value Gz of each servo driving device, and a calculation formula is adopted
Wherein mu is an error calibration factor, the value is 0.95, A1, A2 and A3 are weight factors, and the value is set by an operator;
the alarm unit further comprises a processing module, wherein the processing module is used for inspecting and overhauling the fault point according to the obtained fault value Gz:
when the calculated fault value Gz does not belong to and is smaller than the lower limit value of the maintenance interval [ A, B ], judging that the servo driving device operates normally and does not need inspection maintenance;
when the calculated fault value Gz belongs to the maintenance interval [ A, B ], an alarm is opened to perform early warning work, and meanwhile, fault points are inspected and overhauled;
when the calculated fault value Gz does not belong to and is larger than the upper limit value of the maintenance interval [ A, B ], an alarm is started to perform early warning work, and meanwhile the servo driving device is replaced.
In the description of the present invention, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and for simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, as well as a specific orientation configuration and operation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.

Claims (7)

1. The control system of the numerical control reciprocating type verticality grinding machine is characterized by comprising a driving unit, a control system unit, a monitoring unit and an alarm unit;
the driving unit comprises a grinding head module (2), a workpiece positioning module (4), a grinding head feeding module (3) and a reciprocating feeding module (5); the grinding head modules (2) are oppositely arranged at two sides of the frame (1) and are used for polishing the workpiece from two directions; the workpiece positioning module (4) is arranged at one side of the grinding head modules (2) at two sides and is used for compacting and fixing a workpiece to be ground;
the grinding head module (2) is arranged on the surface of the grinding head feeding module (3) in a sliding manner, and the grinding head feeding module (3) is used for driving the grinding head module (2) to move above the frame (1) so as to realize position adjustment;
the control system unit comprises a display screen (6), an operation panel (601) and a servo control system, wherein the servo control system is connected with the driving unit and is used for controlling the servo driving devices of the grinding head module (2), the workpiece positioning module (4), the grinding head feeding module (3) and the reciprocating feeding module (5);
the monitoring unit is used for monitoring each servo driving device when the equipment normally operates;
the alarm unit comprises an alarm and is used for judging whether to alarm according to the judging result of the monitoring unit on the servo driving device;
the operation panel (601) is used for setting each technological parameter of the equipment and displaying each setting data, the display screen (6) and the operation panel (601) are in information interaction, and the display content comprises an operation interface, a debugging interface, system setting, input monitoring and output monitoring;
the servo control system is used for receiving control instructions of the operation panel and controlling the grinding head module (2), the workpiece positioning module (4), the grinding head feeding module (3) and the reciprocating feeding module (5) according to the input corresponding control parameters;
the servo driving device comprises a first motor (201), a second motor (301), a side clamping cylinder (402) and an upper clamping cylinder (403);
the workpiece positioning module (4) is arranged on the surface of the reciprocating feeding module (5) in a sliding manner, and the reciprocating feeding module (5) is used for driving the workpiece positioning module (4) to reciprocate so as to realize reciprocating omnibearing polishing of a workpiece;
the polishing module comprises a main shaft box (204), a first motor (201) is arranged at the top of the main shaft box (204), a rotating shaft is rotationally arranged at the main shaft box (204), one end of the rotating shaft is in transmission connection with the output end of the first motor (201) through a belt (202) and a belt pulley (203), and the other end of the rotating shaft penetrates through the main shaft box (204) and is fixedly connected with a core plate (206) for mounting a grinding wheel (205);
the grinding head feeding module (3) comprises a grinding head feeding base (302), a grinding head fixing base (207) is fixedly arranged at the bottom of the spindle box (204), and a pushing mechanism for driving the grinding head fixing base (207) to reciprocate is arranged in the grinding head feeding base (302);
the pushing mechanism comprises a second motor (301) arranged on one side of the grinding head feeding base (302), the output end of the second motor (301) is fixedly connected with a screw rod (303) rotationally arranged in the grinding head feeding base (302), a screw rod nut (304) is arranged on the surface of the screw rod (303) in a threaded connection manner, and the screw rod nut (304) is fixedly connected with the grinding head fixing base (207);
the workpiece positioning module (4) comprises a workpiece positioning base (401), an L-shaped positioning plate (406) for bearing a workpiece is arranged at the end part of the workpiece positioning base (401), a first compression end (405) for vertically fixing the workpiece is arranged above the L-shaped positioning plate (406), a second compression end (411) for laterally fixing the workpiece is also arranged on one side of the L-shaped positioning plate (406), and the first compression end (405) and the second compression end (411) are respectively connected with a first driving piece and a second driving piece for driving the workpiece to move towards the workpiece;
the first driving piece comprises an upper clamping cylinder (403) and an L-shaped driving plate (404), the upper clamping cylinder (403) and the installation direction of the workpiece positioning base (401) form a certain inclined angle, the range of the inclined angle is 30-90 degrees, the bottom of the side edge of the L-shaped driving plate (404) is rotationally connected with the workpiece positioning base (401) through a support plate (412), the top of the side edge of the L-shaped driving plate (404) is rotationally connected with the upper clamping cylinder (403), and the tail end of the other side edge of the L-shaped driving plate (404) is fixedly connected with the first pressing end (405);
the second driving piece comprises a side clamping cylinder (402) and a positioning rod (408), a first protruding end (409), a second protruding end (410) and a third protruding end (407) are sequentially arranged on the same side of the positioning rod (408), the first protruding end (409) is hinged with a telescopic rod of the side clamping cylinder (402), the second protruding end (410) is hinged with the end part of the workpiece positioning base (401), and the third protruding end (407) is hinged with a second pressing end (411);
the reciprocating feeding module (5) comprises a feeding base (501), a feeding oil cylinder (502) is arranged at the bottom of the feeding base (501), and the output end of the feeding oil cylinder (502) is fixedly connected with the workpiece positioning base (401).
2. The control system of a numerically controlled reciprocating verticality grinder according to claim 1, wherein the monitoring unit comprises a fixed point acquisition end for acquiring data of operation of a servo driving device inside the equipment,
wherein the acquired data includes an external chassis heating value p.
3. The control system of the numerically controlled reciprocating verticality grinding machine according to claim 1, wherein the monitoring unit further comprises a data processing end, the data processing end is used for processing data acquired by the fixed point acquisition end and calculating whether the servo driving device is heating risk equipment;
the data processing end further comprises a database, wherein the database is used for storing basic information of the servo driving device, and the basic information comprises working temperature intervals [ a, B ] and maintenance intervals [ A, B ].
4. A control system of a numerically controlled reciprocating verticality grinder according to claim 3, wherein the data processing end is configured to collect the heating value p of the outer casing of the servo driving device and the working temperature interval [ a, b ]]Comparing, ifJudging the servo driving device as normal equipment;
if it isThe servo drive is determined to be a risk device.
5. The control system of numerically controlled reciprocating verticality grinding machine according to claim 4, wherein the data processing end is further configured to obtain a real-time temperature change curve of the servo driving device over time t, obtain a real-time slope k of the curve, obtain a real-time temperature change rate v according to the real-time slope, and determine the real-time temperature change rate v when k>0, and when the real-time temperature change rate v exceeds a preset threshold value, the overheat pre-warning time of the servo driving device is as follows:
6. the control system of the numerically controlled reciprocating verticality grinder according to claim 5, wherein the alarm unit further comprises a processing module, wherein the processing module is used for inspecting and repairing fault points according to the obtained fault value Gz;
calculating fault value Gz of each servo driving device, and adopting a calculation formulaWherein mu is an error calibration factor, the value is 0.95, A1, A2 and A3 are weight factors, and the value is set by an operator.
7. The control system of a numerically controlled reciprocating verticality grinder according to claim 6, wherein when the calculated fault value Gz is not included in and is smaller than a lower limit value of a maintenance interval [ a, B ], it is determined that the servo driving device is operating normally without inspection maintenance;
when the calculated fault value Gz belongs to the maintenance interval [ A, B ], an alarm is opened to perform early warning work, and meanwhile, fault points are inspected and overhauled;
when the calculated fault value Gz does not belong to and is larger than the upper limit value of the maintenance interval [ A, B ], an alarm is started to perform early warning work, and meanwhile the servo driving device is replaced.
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