CN115609386A - Reciprocating feeding mechanism of numerical control verticality grinding machine - Google Patents

Reciprocating feeding mechanism of numerical control verticality grinding machine Download PDF

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Publication number
CN115609386A
CN115609386A CN202211104455.9A CN202211104455A CN115609386A CN 115609386 A CN115609386 A CN 115609386A CN 202211104455 A CN202211104455 A CN 202211104455A CN 115609386 A CN115609386 A CN 115609386A
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CN
China
Prior art keywords
workpiece
positioning
reciprocating
module
driving
Prior art date
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Pending
Application number
CN202211104455.9A
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Chinese (zh)
Inventor
卢辉
汪润节
孔祥坚
周志荣
陈明
汪龙飞
何宁勇
徐德根
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Zhaoqing Peak Machinery Technology Co Ltd
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Zhaoqing Peak Machinery Technology Co Ltd
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Application filed by Zhaoqing Peak Machinery Technology Co Ltd filed Critical Zhaoqing Peak Machinery Technology Co Ltd
Priority to CN202211104455.9A priority Critical patent/CN115609386A/en
Publication of CN115609386A publication Critical patent/CN115609386A/en
Pending legal-status Critical Current

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    • 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
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
    • 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
    • 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
    • B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
    • 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
    • B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/14—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by liquid or gas pressure
    • 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
    • B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/16—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed
    • 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
    • B24B49/12—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 involving optical means
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Abstract

The invention discloses a reciprocating feeding mechanism of a numerical control verticality grinding machine, which relates to the technical field of feeding equipment and comprises a driving unit, a control system unit and a monitoring unit; the drive unit includes: the device comprises a positioning module, a reciprocating feeding module and a lifting module, wherein the positioning module is used for positioning and fixing a workpiece to be polished, the reciprocating feeding module is used for driving the positioning module to move in a reciprocating manner so as to polish the workpiece in a reciprocating manner, and the lifting module is used for driving the positioning module to lift so as to enable the workpiece to be matched with the height of a polishing grinding wheel; the control system unit comprises a servo control system; the monitoring unit is used for monitoring the relative position of the positioned workpiece and the polishing grinding wheel, the end face of the workpiece is fully polished by adjusting the reciprocating motion distance of the reciprocating feeding module, and the relative height of the workpiece and the polishing grinding wheel is adjusted by the lifting module when the workpiece is polished, so that the polishing effect is improved.

Description

Reciprocating feeding mechanism of numerical control verticality grinding machine
Technical Field
The invention relates to the technical field of feeding equipment, in particular to a reciprocating feeding mechanism of a numerical control verticality grinding machine.
Background
With the rapid development of the industrial level, people process workpieces more and more finely, and a traditional grinding machine is a machine tool for grinding the surfaces of the workpieces by using a grinding tool. Most of the numerically controlled grinders perform grinding processing using a grinding wheel rotating at high speed, and a few of them perform processing using other grinders such as oilstone and abrasive belt, and free abrasives.
In prior art, when polishing the sheet metal work piece, at first adopt anchor clamps to press from both sides tightly fixed to the work piece, then carry the work piece after the centre gripping to the emery wheel one side of polishing through the conveyer belt and polish the processing, but if the inhomogeneous condition of polishing appears in the in-process of polishing, need carry the work piece again after fixed centre gripping to emery wheel department of polishing once more and polish, the process is comparatively loaded down with trivial details.
Disclosure of Invention
The invention aims to provide a reciprocating feeding mechanism of a numerical control verticality grinding machine, which solves the following technical problems:
if the uneven condition of polishing appears in the polishing process, need carry the work piece again to the emery wheel department of polishing after fixed with the work piece centre gripping, the process is comparatively loaded down with trivial details.
The purpose of the invention can be realized by the following technical scheme:
the reciprocating feeding mechanism of the numerical control verticality grinding machine comprises a driving unit, a control system unit and a monitoring unit;
the drive unit includes:
the positioning module is used for positioning and fixing the workpiece to be polished, and
the reciprocating feeding module is used for driving the positioning module to reciprocate so as to polish the workpiece in a reciprocating manner, and
the lifting module is used for driving the positioning module to lift so as to enable the workpiece to be matched with the grinding wheel in height;
the control system unit comprises a servo control system, and the servo control system is connected with the driving unit and used for controlling the positioning module, the reciprocating feeding module and the servo driving device of the lifting module;
the monitoring unit is used for monitoring the relative position of the positioned workpiece and the grinding wheel.
Preferably, the positioning module comprises a positioning frame arranged on the positioning base, and an L-shaped positioning seat used for bearing the square metal workpiece is arranged at the end part of the positioning frame.
Preferably, the L-shaped positioning seat is obliquely arranged at the tail end of the positioning rack.
Preferably, the L-shaped positioning seat includes a first bearing plate and a second bearing plate vertically arranged.
Preferably, the reciprocating feeding module comprises a moving platform, the positioning base is arranged on the moving platform in a sliding mode, and a reciprocating driving mechanism fixedly connected with the positioning base is arranged at the bottom of the moving platform.
Preferably, reciprocating drive mechanism drives actuating cylinder including laying in the motion platform bottom, drives actuating cylinder flexible end and positioning base fixed connection.
Preferably, the lifting module comprises a lifting cylinder arranged on the grinding machine, and the telescopic end of the lifting cylinder is fixedly connected with the moving platform.
Preferably, a plurality of groups of guide rods which are in sliding connection with the motion platform are distributed on the grinding machine relatively.
Preferably, the monitoring unit comprises a first infrared sensor arranged on one side of the first bearing plate, and the first infrared sensor is used for monitoring the horizontal distance between the workpiece and the grinding wheel.
Preferably, the monitoring unit further comprises a second infrared sensor arranged on the bottom side of the second bearing plate, and the second infrared sensor is used for monitoring the vertical distance between the workpiece and the grinding wheel.
Preferably, the monitoring unit further comprises a third infrared sensor arranged at the end parts of the first pressing end and the second pressing end, and the third infrared sensor is used for monitoring the distance between the first pressing end and the workpiece and the distance between the second pressing end and the workpiece.
The invention has the beneficial effects that:
(1) In the process of polishing the workpiece, the reciprocating feeding module drives the positioning module to reciprocate, so that the end face of the sheet metal workpiece is polished in a reciprocating manner, the servo control system is arranged to control and adjust the servo driving devices of the positioning module, the reciprocating feeding module and the lifting module, so that when a plurality of groups of sheet metal workpieces with different thicknesses are positioned and clamped, the accuracy is higher, for the sheet metal workpieces with different sizes, the end face of the workpiece can be fully polished by adjusting the reciprocating movement distance of the reciprocating feeding module during polishing, and the relative height between the workpiece and a polishing grinding wheel during polishing is adjusted by the lifting module, so that the polishing effect is improved;
(2) According to the invention, the tail end of the compression bracket is provided with the mounting groove, the first compression end head is fixed in the mounting groove through the bolt, and in the actual operation process, the angle of the first compression end head can be adjusted according to the mounting posture of the workpiece, so that the workpiece is higher in fixing stability.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a first structural schematic diagram of a reciprocating feeding mechanism of the numerical control verticality grinding machine of the present invention;
FIG. 2 is a second structural schematic diagram of a reciprocating feeding mechanism of the numerical control verticality grinding machine of the present invention;
FIG. 3 is a third structural schematic diagram of a reciprocating feeding mechanism of the numerical control verticality grinding machine of the present invention;
FIG. 4 is a fourth structural schematic diagram of the reciprocating feeding mechanism of the numerical control verticality grinding machine of the present invention;
FIG. 5 is an enlarged schematic structural view of the A position in the composition 3 of the reciprocating feeder of the numerical control verticality grinding machine of the present invention;
FIG. 6 is a schematic structural diagram of an L-shaped positioning seat in the reciprocating feeding mechanism of the numerical control verticality grinding machine of the present invention;
fig. 7 is a schematic structural diagram of the reciprocating feeding mechanism of the numerical control verticality grinding machine.
In the figure: 1. a motion platform; 2. positioning a base; 3. a lifting cylinder; 4. an elastic expansion sheet; 5. an upper pressing cylinder; 6. a driving cylinder; 7. pressing down the air cylinder; 8. a first infrared sensor; 201. positioning the frame; 301. a guide bar; 501. compressing the bracket; 502. mounting grooves; 503. a first compression tip; 504. a second compression end; 505. positioning a rod; 506. a first hinge mount; 507. a second hinge mount; 508. an L-shaped positioning seat; 509. a second carrier plate; 510. a third infrared sensor; 511. a first bearing plate; 512. a rotating plate; 801. a second infrared sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-3, the present invention relates to a reciprocating feeding mechanism of a numerically controlled vertical grinder, which includes a driving unit, a control system unit and a monitoring unit;
the driving unit comprises a positioning module, a reciprocating feeding module and a lifting module, wherein the positioning module is used for positioning and fixing a workpiece to be polished, the reciprocating feeding module is used for driving the positioning module to reciprocate so as to polish the workpiece in a reciprocating manner, and the lifting module is used for driving the positioning module to lift so as to enable the workpiece to be matched with the height of a polishing grinding wheel;
the control system unit comprises a servo control system, and the servo control system is connected with the driving unit and is used for controlling the servo driving devices of the positioning module, the reciprocating feeding module and the lifting module;
the monitoring unit is used for monitoring the relative position of the positioned workpiece and the grinding wheel; in one embodiment of the invention, a sheet metal workpiece to be polished is placed at a clamping end of a positioning module for positioning and fixing, the height of the positioning module is adjusted through a lifting module, so that the height of the positioned workpiece is matched with the height of a polishing grinding wheel, then the polishing grinding wheel is started to rotate, the polishing grinding wheel polishes the sheet metal workpiece in the rotating process, meanwhile, in the polishing process, the positioning module is driven to reciprocate through a reciprocating feeding module, and further the end face of the sheet metal workpiece is polished in a reciprocating manner, the embodiment of the invention controls and adjusts a servo driving device of the positioning module, the reciprocating feeding module and the lifting module through a servo control system, so that when a plurality of groups of sheet metal workpieces with different thicknesses are positioned and clamped, the accuracy is higher, and for sheet metal workpieces with different sizes, during polishing, the end face of the workpiece can be fully polished through adjusting the reciprocating movement distance of the reciprocating feeding module, and the relative height of the polishing grinding wheel is adjusted through the lifting module, and the polishing effect is improved;
referring to fig. 4, the positioning module includes a positioning frame 201 disposed on the positioning base 2, an L-shaped positioning seat 508 for bearing the square metal workpiece is disposed at an end of the positioning frame 201, in an embodiment of the present invention, the square metal workpiece to be polished is arranged in order and then placed in the L-shaped positioning seat 508, and the L-shaped positioning seat 508 is disposed at the end of the positioning frame 201 in an inclined manner, so that the square metal workpiece is inclined toward the inner end of the L-shaped positioning seat 508 under the action of gravity;
the L-shaped positioning seat 508 includes a first supporting board 511 and a second supporting board 509 vertically arranged;
the positioning module further comprises a first pressing end 503 connected with the first driving mechanism and a second pressing end 504 connected with the second driving mechanism, and the first driving mechanism is used for driving the first pressing end 503 to move along the direction of the first bearing plate 511 so as to press and position the top of the square sheet metal workpiece; the second driving mechanism is used for driving the second pressing end 504 to move along the direction of the second bearing plate 509 so as to press and position the side end of the square metal workpiece;
the first driving mechanism comprises a pressing support 501, a first pressing end 503 is fixedly installed at one end of the pressing support 501, and the other end of the pressing support 501 is rotatably connected with the positioning rack 201 through a rotating plate 512;
wherein, an upper compressing cylinder 5 is rotatably arranged on the positioning frame 201, and the telescopic end of the upper compressing cylinder 5 is rotatably connected with the compressing bracket 501; when the top of a square sheet metal workpiece in the L-shaped positioning seat 508 is positioned and fixed, the upper pressing cylinder 5 is started, the telescopic end of the upper pressing cylinder 5 pushes the pressing bracket 501 to rotate around the connecting end of the rotating plate 512 and the positioning rack 201 in the stretching process, and the pressing bracket 501 drives the first pressing end 503 to move towards the second bearing plate 509 in the rotating process so as to press and fix the top of the workpiece; in an embodiment of the present invention, a mounting groove 502 is formed at the end of the pressing bracket 501, and the first pressing end 503 is fixed in the mounting groove 502 by a bolt, and in an actual operation process, an angle of the first pressing end 503 can be adjusted according to a mounting posture of a workpiece, so that the fixing stability of the workpiece is higher.
Referring to fig. 5, the second driving mechanism includes a lower compressing cylinder 7 disposed between the positioning frames 201, a positioning rod 505 is rotatably disposed at one end of the positioning frame 201 close to the second supporting plate 509 through a first hinge seat 506, one end of the positioning rod 505 is fixedly connected to the second compressing end 504, and the other end is rotatably connected to the telescopic end of the lower compressing cylinder 7 through a second hinge seat 507; when the side face of a workpiece in the L-shaped positioning seat 508 is positioned and fixed, the lower pressing cylinder 7 is started, and the telescopic end of the lower pressing cylinder 7 drives the positioning rod 505 to rotate around the first hinge seat 506 through the second hinge seat 507 in the stretching process, so that the positioning rod 505 drives the second pressing end 504 to move towards the first bearing plate 511 to realize the pressing and fixing of the side end of the workpiece;
the reciprocating feeding module comprises a moving platform 1, a positioning base 2 is arranged on the moving platform 1 in a sliding mode, a reciprocating driving mechanism fixedly connected with the positioning base 2 is arranged at the bottom of the moving platform 1, and the reciprocating driving mechanism is used for driving the positioning base 2 to slide on the moving platform 1 in a reciprocating mode; in one embodiment of the invention, the two sides of the positioning base 2 are oppositely provided with the elastic telescopic sheets 4, and the buffering effect at the two ends of the positioning base 2 during reciprocating motion is improved by arranging the elastic telescopic sheets 4;
the reciprocating driving mechanism comprises a driving cylinder 6 arranged at the bottom of the moving platform 1, and the telescopic end of the driving cylinder 6 is fixedly connected with the positioning base 2; the reciprocating drive mechanism is not limited to the drive cylinder 6 in this embodiment, and may also adopt a screw drive mode, a synchronous belt drive mode, or other drive modes as long as the positioning base 2 can be driven to reciprocate.
Referring to fig. 6-7, the lifting module includes a lifting cylinder 3 disposed on the grinding machine, and the telescopic end of the lifting cylinder 3 is fixedly connected to the moving platform 1;
wherein, a plurality of groups of guide rods 301 which are connected with the motion platform 1 in a sliding way are arranged on the grinding machine relatively; when the height of the positioned workpiece is adjusted, the lifting cylinder 3 is started, and the lifting cylinder 3 drives the motion platform 1 to lift in the vertical direction, so that the height is adjusted.
The monitoring unit comprises a first infrared sensor 8 arranged on one side of the first bearing plate 511, and the first infrared sensor 8 is used for monitoring the horizontal distance between the workpiece and the grinding wheel;
the grinding device further comprises a second infrared sensor 801 arranged on the bottom side of the second bearing plate 509, and the second infrared sensor 801 is used for monitoring the vertical distance between the workpiece and the grinding wheel; in one embodiment of the invention, when the grinding wheel grinds a workpiece, the horizontal distance between the grinding wheel and the grinding wheel is monitored through the first infrared sensor 8, a monitoring signal is uploaded to the servo control system, the servo control system calculates the distance between the workpiece and the grinding wheel based on the monitoring signal and the size of the workpiece, and when the distance is larger than a preset threshold value, the grinding wheel is adjusted to move towards the workpiece to grind the workpiece;
monitoring the vertical distance between the workpiece and the grinding wheel through a second infrared sensor 801, uploading a monitoring signal to a servo control system, calculating the distance between the workpiece and the circle center end of the grinding wheel by the servo control system based on the monitoring signal and the size of the workpiece, and adjusting the grinding wheel to move towards the workpiece to grind the workpiece when the distance is greater than a preset threshold value;
further, the monitoring unit further comprises a third infrared sensor 510 arranged at the end portions of the first pressing end 503 and the second pressing end 504, the third infrared sensor 510 is used for monitoring the distance between the first pressing end 503 and the workpiece and the distance between the second pressing end 504 and the workpiece, and a monitoring signal is sent to the servo control system so as to adjust the expansion amount of the upper pressing cylinder 5 and the lower pressing cylinder 7.
The control system unit also comprises an operation controller which is electrically connected with the servo control system and used for manually controlling the servo driving device of the driving unit.
Example 2
The working method of the reciprocating feeding mechanism of the numerical control verticality grinding machine comprises the following steps:
step one, stacking and arranging the square metal workpieces to be polished in order and then placing the square metal workpieces in an L-shaped positioning seat 508;
step two, the upper pressing cylinder 5 is started, the telescopic end of the upper pressing cylinder 5 pushes the pressing bracket 501 to rotate around the connecting end of the rotating plate 512 and the positioning rack 201 in the stretching process, and the pressing bracket 501 drives the first pressing end 503 to move towards the second bearing plate 509 in the rotating process so as to press and fix the top of the workpiece;
step three, starting a lower pressing cylinder 7, wherein the telescopic end of the lower pressing cylinder 7 drives a positioning rod 505 to rotate around a first hinge seat 506 through a second hinge seat 507 in the stretching process, so that the positioning rod 505 drives a second pressing end 504 to move towards a first bearing plate 511 to press and fix the side end of the workpiece;
fourthly, controlling the grinding wheel to rotate, monitoring the horizontal distance between the first infrared sensor 8 and the grinding wheel, uploading a monitoring signal to a servo control system, calculating the distance between the workpiece and the grinding wheel by the servo control system based on the monitoring signal and the size of the workpiece, and adjusting the grinding wheel to move towards the workpiece when the distance is greater than a preset threshold value;
step five, monitoring the vertical distance between the second infrared sensor 801 and the grinding wheel, uploading a monitoring signal to a servo control system, calculating the distance between the workpiece and the circle center end of the grinding wheel by the servo control system based on the monitoring signal and the size of the workpiece, and adjusting the grinding wheel to move towards the workpiece when the distance is greater than a preset threshold value;
and sixthly, starting the driving cylinder 6 to drive the positioning base 2 to slide on the motion platform 1 in a reciprocating manner, and polishing the end face of the workpiece in a reciprocating manner.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, 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; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims (10)

1. The reciprocating feeding mechanism of the numerical control verticality grinding machine is characterized by comprising a driving unit, a control system unit and a monitoring unit;
the drive unit includes:
the positioning module is used for positioning and fixing the workpiece to be polished, and
the reciprocating feeding module is used for driving the positioning module to move in a reciprocating manner so as to polish workpieces in a reciprocating manner, and
the lifting module is used for driving the positioning module to lift so as to enable the workpiece to be matched with the grinding wheel in height;
the control system unit comprises a servo control system, and the servo control system is connected with the driving unit and used for controlling the positioning module, the reciprocating feeding module and the servo driving device of the lifting module;
the monitoring unit is used for monitoring the relative position of the positioned workpiece and the grinding wheel.
2. The reciprocating feeding mechanism of the numerical control verticality grinding machine according to claim 1, wherein the positioning module comprises a positioning frame (201) arranged on the positioning base (2), and an L-shaped positioning seat (508) for bearing a square metal workpiece is arranged at the end part of the positioning frame (201);
the L-shaped positioning seat (508) is obliquely arranged at the tail end of the positioning rack (201).
3. The reciprocating feeding mechanism of the numerical control verticality grinding machine according to claim 2, wherein the positioning module further comprises a first pressing end (503) connected with the first driving mechanism and a second pressing end (504) connected with the second driving mechanism, and the first driving mechanism is used for driving the first pressing end to move along the direction of the first bearing plate (511) so as to press and position the top of the square metal workpiece; the second driving mechanism is used for driving the second pressing end head to move along the direction of the second bearing plate (509) so as to press and position the side end of the square sheet metal workpiece.
4. The reciprocating feeding mechanism of the CNC perpendicularity grinding machine according to claim 3, wherein the L-shaped positioning seat (508) comprises a first bearing plate (511) and a second bearing plate (509) which are vertically arranged.
5. The reciprocating feeding mechanism of the numerical control verticality grinding machine according to claim 2, characterized in that the reciprocating feeding module comprises a moving platform (1), the positioning base (2) is slidably arranged on the moving platform (1), and a reciprocating driving mechanism fixedly connected with the positioning base (2) is arranged at the bottom of the moving platform (1).
6. The reciprocating feeding mechanism of the numerical control verticality grinding machine according to claim 5, characterized in that the reciprocating driving mechanism comprises a driving cylinder (6) arranged at the bottom of the moving platform (1), and the telescopic end of the driving cylinder (6) is fixedly connected with the positioning base (2).
7. The reciprocating feeding mechanism of the numerical control verticality grinding machine according to claim 6, characterized in that the lifting module comprises a lifting cylinder (3) arranged on the grinding machine, and the telescopic end of the lifting cylinder (3) is fixedly connected with the moving platform (1).
8. The reciprocating feeding mechanism of the numerical control verticality grinding machine according to claim 7, characterized in that a plurality of groups of guide rods (301) which are slidably connected with the moving platform (1) are oppositely arranged on the grinding machine.
9. The reciprocating feeding mechanism of the numerically controlled verticality grinding machine according to claim 4, wherein the monitoring unit comprises a first infrared sensor (8) arranged on one side of the first bearing plate (511), the first infrared sensor (8) is used for monitoring the horizontal distance between the workpiece and the grinding wheel;
the monitoring unit further comprises a second infrared sensor (801) arranged on the bottom side of the second bearing plate (509), and the second infrared sensor (801) is used for monitoring the vertical distance between the workpiece and the grinding wheel.
10. The reciprocating feeding mechanism of the numerical control verticality grinding machine according to claim 4, wherein the monitoring unit further comprises a third infrared sensor (510) disposed at the end of the first pressing end (503) and the second pressing end (504), and the third infrared sensor (510) is used for monitoring the distance between the first pressing end (503) and the workpiece and the second pressing end (504).
CN202211104455.9A 2022-09-09 2022-09-09 Reciprocating feeding mechanism of numerical control verticality grinding machine Pending CN115609386A (en)

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Application publication date: 20230117