CN112372448B - Self-adaptive grinding wheel device of grinding machine - Google Patents
Self-adaptive grinding wheel device of grinding machine Download PDFInfo
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- CN112372448B CN112372448B CN202011278509.4A CN202011278509A CN112372448B CN 112372448 B CN112372448 B CN 112372448B CN 202011278509 A CN202011278509 A CN 202011278509A CN 112372448 B CN112372448 B CN 112372448B
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- grinding wheel
- grinding
- base body
- wheel base
- air duct
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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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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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
- 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
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
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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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The invention relates to a self-adaptive grinding wheel device of a grinding machine, which comprises a support, a grinding wheel base body part, a grinding wheel grinding piece part and an air duct part; the grinding wheel base part comprises a grinding wheel base wheel shaft and a grinding wheel base, and the grinding wheel base is fixed on the support through the grinding wheel base wheel shaft; the grinding wheel grinding part comprises grinding wheel grinding discs, and the plurality of grinding wheel grinding discs are sequentially connected with the grinding wheel base body through fixed ends along the circumferential direction of the grinding wheel base body part; the air duct part comprises a fan, an aerosol filter part, a main air duct and an air channel; the fan is connected with the main air duct through an aerosol filter piece, the main air duct is arranged in a wheel shaft of the grinding wheel base body and is communicated with a plurality of air channels uniformly distributed in the grinding wheel base body, the air channels are radially distributed in the grinding wheel base body along the radial direction, and an air outlet at the tail end of the air channel is arranged on the grinding wheel base body; the grinding wheel abrasive disc grinds the workpiece under the action of centrifugal force, and the air duct portion recovers abrasive dust through air suction operation of the fan and cools the interior of the grinding wheel abrasive disc. The invention can realize the self-adaptive dust removal cooling of the dry grinding machine.
Description
Technical Field
The invention relates to the technical field of grinding machines, in particular to a self-adaptive grinding wheel device of a grinding machine.
Background
The dry grinding machine generates a large amount of cutting scraps and dust due to no grinding fluid participation in the grinding process, the cutting scraps and the dust form aerosol, if the aerosol is not timely treated, the aerosol can harm the health of people, meanwhile, the grinding process generates a large amount of grinding heat, the grinding heat is accumulated due to no grinding fluid participation, the ablation effect is caused on a grinding wheel and a workpiece, and the grinding quality of the workpiece and the service life of the grinding wheel are influenced. Adopt external removal dust collector at present, utilize the dust excluding hood to collect the abrasive dust in the emery wheel outside, utilize cooling air to cool off grinding region simultaneously, can reach the refrigerated purpose of grinding to most abrasive dust has been collected.
The above-mentioned measures for removing dust and cooling, when the material to be processed is toxic or radioactive, have the following problems: firstly, a gap exists between the dust removal cover of the grinding machine and the grinding wheel, so that partial abrasive dust close to the grinding wheel overflows, the amount of the abrasive dust close to the grinding wheel is relatively large, and the overflow specific gravity of the abrasive dust is relatively high; secondly, aiming at a machined workpiece with the characteristics of toxicity, radioactivity and the like or a grinding machine which requires service in an unmanned workshop, the dust removal device is difficult to adjust; thirdly, cooling air only acts on the surface of the grinding wheel, and the grinding wheel cannot dissipate heat timely, so that the surface of the grinding wheel is ablated; fourthly, the cooling air injection and the grinding process are crossed, so that the aerosol effect is easy to generate, and the toxic or radioactive substance is harmed and diffused; fifthly, the dust removal device realizes up-and-down movement of the dust hood manually, adaptive dust removal is not realized, and the dust removal effect needs to be improved.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a self-adaptive grinding wheel device for a grinding machine, which can realize self-adaptive dust removal and cooling of a dry grinding machine and mainly aims to solve the problems of poor abrasive dust collection effect, poor grinding heat cooling effect and the like when the dry grinding machine is used for processing toxic or radioactive substances.
In order to achieve the above purpose, the invention provides the following technical scheme:
a self-adaptive grinding wheel device of a grinding machine is characterized by comprising a support, a grinding wheel base body part, a grinding wheel grinding piece part and an air duct part;
the grinding wheel base body part comprises a grinding wheel base body wheel shaft and a grinding wheel base body, the grinding wheel base body is of a cylindrical structure, the grinding wheel base body is fixed on the support through the grinding wheel base body wheel shaft, and the support is arranged on a grinding machine moving frame in the dust cover;
the grinding wheel grinding part comprises grinding wheel grinding discs, and the plurality of grinding wheel grinding discs are sequentially connected with the grinding wheel base body through fixed ends along the circumferential direction of the grinding wheel base body part; the grinding wheel base body part drives the grinding wheel grinding piece part to rotate together;
the air duct part comprises a fan, an aerosol filter piece, a main air duct and an air channel; the fan is connected with the main air duct through the aerosol filter piece, the main air duct is arranged in the grinding wheel base body wheel shaft and is communicated with a plurality of air channels uniformly distributed in the grinding wheel base body, the air channels are radially distributed in the grinding wheel base body along the radial direction, and an air outlet at the tail end of the air channel is arranged on the grinding wheel base body;
the grinding wheel grinding disc grinds a workpiece under the action of centrifugal force, and the air duct portion recovers grinding dust through air suction operation of the fan and cools the interior of the grinding wheel grinding disc.
Further, the grinding wheel device further comprises a grinding wheel and grinding sheet control part, wherein the grinding wheel and grinding sheet control part is positioned on the grinding workpiece side and used for controlling the grinding track of the grinding wheel and grinding sheet.
Furthermore, the grinding wheel grinding disc control part comprises a guide wheel assembly and a track assembly, the guide wheel assembly is connected with the movable end of the grinding wheel grinding disc, and the track assembly is a telescopic track and is fixed on the grinding machine moving frame; the guide wheel assembly is in contact with and supported by the rail assembly.
Furthermore, the grinding wheel and grinding disc control part further comprises a track supporting piece, the track assembly is fixed on the grinding machine moving frame through the track supporting piece, and the track supporting piece can drive the track assembly to move in a telescopic mode to change the track radius of the track assembly.
Further, the grinding wheel device further comprises an air channel control part for controlling the opening and closing of the air channel.
Further, the air duct control portion comprises a ventilation door and a ventilation door switch, the ventilation door is installed on the air channel in a one-to-one correspondence mode, and the ventilation door switch controls the switch.
Further, the ventilation door is a flap valve; the ventilation door switch comprises a ventilation door switch fixed end and a ventilation door switch rotating end, a valve core of a flap valve of the ventilation door is fixedly connected with the ventilation door switch rotating end, and the ventilation door switch fixed end is fixed at a position on the grinding machine moving frame where the opening and closing state of the ventilation door needs to be adjusted; and the rotating end of the ventilation door switch rotates 90 degrees after contacting with the fixed end of the ventilation door switch, and the ventilation door switch is driven to be alternately opened and closed.
Furthermore, the grinding wheel grinding piece part also comprises a rotating shaft and a spring, the fixed end of the grinding wheel grinding piece is connected with the grinding wheel base body through the rotating shaft, and the grinding wheel grinding piece can freely rotate around the rotating shaft; the middle part of the grinding wheel in the circumferential direction is connected with the grinding wheel base body through the spring.
Further, the air duct portion further comprises a flexible telescopic air duct, and the aerosol filter piece is connected with the main air duct through the flexible telescopic air duct.
Furthermore, the support comprises bearing seats and bearings, the two bearing seats are symmetrically fixed on the grinding machine moving frame, the bearings are mounted on the bearing seats, and two ends of the grinding wheel base body part are respectively arranged on the bearings through the grinding wheel base body wheel axle.
The invention has the beneficial effects that:
the grinding wheel device can realize self-adaptive dust removal and cooling, the grinding dust can be recovered through the air duct part without gaps under the air suction action of the fan, the grinding wheel device can adjust the position of the grinding wheel disc through the grinding wheel disc control part, the grinding track is further accurate, the size of the recovery gap (namely the gap between the grinding wheel disc and the grinding wheel base body) can be adjusted in a self-adaptive mode according to the quantity of the grinding dust, the grinding dust removal effect can be greatly improved, and the dust removal effect is guaranteed to be reliable. The invention uses the air duct part to apply cooling air to the interior of the grinding wheel and the grinding sheet, thereby realizing the integral cooling effect on the grinding wheel and the grinding sheet and avoiding the ablation of the surface of the grinding wheel. The invention has the same cooling and dust removal functions, and the cooling air has the suction function, so that the aerosol effect and the harmful diffusion of toxic or radioactive substances are avoided through the aerosol filter.
Drawings
FIG. 1 is a schematic structural diagram of an adaptive grinding wheel device of a grinding machine according to the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 2 according to the present invention;
FIG. 4 is a side view of a grinding wheel abrasive disc control part according to the present invention;
fig. 5 is a structural view of an air duct control part in the present invention.
Wherein: 1-support, 1.1-bearing seat, 1.2-bearing, 2-grinding wheel base, 2.1-grinding wheel base wheel shaft, 2.2-grinding wheel base, 3-grinding wheel grinding piece part, 3.1-rotating shaft, 3.2-spring, 3.3-grinding wheel grinding piece, 4-grinding wheel grinding piece control part, 4.1-guide wheel component, 4.1.1-guide wheel, 4.1.2-bearing, 4.1.3-wheel support, 4.2-track component, 4.3 track support, 5-air duct part, 5.1-fan, 5.2-aerosol filter, 5.3-flexible telescopic air duct, 5.4-main air duct, 5.5-air duct, 6-air duct control part, 6.1-ventilation door, 6.2-ventilation switch, 6.2.1-ventilation door switch fixed end, 6.2.2-ventilation door switch rotating end.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the present application, the present invention will be further described in detail below with reference to the accompanying drawings and examples.
The terms of orientation such as up, down, left, right, front, and rear in the present specification are established based on the positional relationship shown in the drawings. The corresponding positional relationship may also vary depending on the drawings, and therefore, should not be construed as limiting the scope of protection.
In the present invention, the terms "mounted," "connected," "fixed," and the like are to be understood in a broad sense, and for example, may be fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected or capable of communicating with each other, directly connected, indirectly connected through an intermediate medium, or communicated between two components, or interacting between two components. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The embodiment describes a self-adaptive grinding wheel device of a grinding machine, which is additionally arranged in an original dust cover, realizes zero clearance recovery, can realize self-adaptive dust removal and cooling of a dry grinding machine, can well realize self-adaptive dust removal and cooling even when toxic or radioactive substances are processed, and can ensure that the substances do not leak.
As shown in fig. 1 to 5, the grinding wheel device includes a holder 1, a grinding wheel base portion 2, a grinding wheel chip portion 3, a grinding wheel chip control portion 4, an air duct portion 5, and an air duct control portion 6. The grinding wheel base part 2 is mounted on a grinding machine moving frame (not shown) in a dust cover through a support 1, the grinding wheel and abrasive disc part 3 is mounted along the circumferential direction of the grinding wheel base part 2 and rotates together with the grinding wheel base part 2, a grinding track is controlled by a grinding wheel and abrasive disc control part 4, abrasive dust is collected through an air duct part 5 and is cooled by dust removal, and the air duct control part 6 is used for controlling the opening and closing of the air duct part 5.
As shown in fig. 1, the support 1 is composed of bearing seats 1.1 and bearings 1.2, the two bearing seats 1.1 are symmetrically fixed on the moving frame of the grinding machine, the bearings 1.2 are mounted on the bearing seats 1.1, the left and right ends of the grinding wheel base body 2 are arranged on the bearing seats 1.1 through the bearings 1.2 and move along with the moving frame, so that the integral feed grinding of the grinding wheel device is realized, and the rotation of the grinding wheel base body 2 and the dynamic and static separation of the moving frame are also realized.
As shown in fig. 1, the grinding wheel base portion 2 is composed of a grinding wheel base wheel shaft 2.1 and a grinding wheel base 2.2, the grinding wheel base 2.2 is a cylindrical structure with a through hole in the center, the grinding wheel base wheel shaft 2.1 and the grinding wheel base 2.2 are coaxially arranged, the grinding wheel base 2.2 is fixed on a bearing 1.2 of the support 1 through the grinding wheel base wheel shaft 2.1, and the grinding wheel base wheel shaft 2.1 is matched with the bearing 1.2 to realize relative rotation. The grinding wheel base 2.2 and the grinding wheel base wheel shaft 2.1 can be integrally formed and manufactured, the coaxial grinding wheel base wheel shaft 2.1 is arranged at the two ends of the grinding wheel base 2.2, and compared with the split manufacturing (the grinding wheel base wheel shaft 2.1 penetrates through the two ends of the grinding wheel base 2.2 from the center of the grinding wheel base 2.2), the grinding precision can be enhanced while the number of parts is reduced.
As shown in fig. 1 and fig. 2, the grinding wheel and abrasive sheet portion 3 is circumferentially installed on the grinding wheel base body 2.2 along the grinding wheel base body 2.2, including a rotating shaft 3.1, a spring 3.2, a grinding wheel and abrasive sheet 3.3, fixed ends of a plurality of grinding wheel and abrasive sheets 3.3 are respectively connected with the grinding wheel base body 2.2 along the circumferential direction of the grinding wheel base body 2.2 through the rotating shaft 3.1 in sequence, the grinding wheel and abrasive sheet 3.3 can freely rotate around the rotating shaft 3.1, the circumferential direction middle part of the grinding wheel and abrasive sheet 3.3 is connected with the grinding wheel base body 2.2 through the spring 3.2, and static close connection of the grinding wheel and abrasive sheet 3.3 and the grinding wheel base body portion 2 is realized.
As shown in fig. 1, 3 and 4, the grinding wheel/chip control section 4 is located on the grinding workpiece side and is composed of a guide wheel assembly 4.1, a rail assembly 4.2 and a rail support 4.3. The guide wheel assembly 4.1 consists of a guide wheel 4.1.1, a bearing 4.1.2 and a wheel support 4.1.3, the guide wheel 4.1.1 is fixed on the wheel support 4.1.3 through the bearing 4.1.2, and the wheel support 4.1.3 is connected with the movable end of the grinding wheel grinding piece 3.3 through a bolt. The track assembly 4.2 is a telescopic track and is fixed on the grinding machine moving frame by a track support 4.3. The guide wheel 4.1.1 is in contact with the track component 4.2, so that the track component 4.2 can support the guide wheel 4.1.1. The track supporting piece 4.3 is a hydraulic cylinder system, the track radius of the track assembly 4.2 can be changed through the extension and contraction of the track supporting piece 4.3, so that the grinding wheel and the grinding disc 3.3 are more suitable for grinding workpieces, and the continuity of the track at different positions is realized. In order to ensure that the track radius of the track assembly 4.2 is integrally consistent, a plurality of track supporting pieces 4.3 can be uniformly distributed at intervals along the track assembly 4.2, a plurality of track supporting pieces 4.3 can also be arranged in central symmetry of the track assembly 4.2, and the radius of the track assembly 4.2 can be synchronously adjusted through the plurality of track supporting pieces 4.3, so that the grinding precision and efficiency of the grinding wheel can be further ensured while the track radius is ensured to be consistent.
As shown in fig. 1 and 2, the air duct portion 5 is composed of a fan 5.1, an aerosol filter member 5.2, a flexible telescopic air duct 5.3, a main air duct 5.4, and an air passage 5.5, the fan 5.1 is connected with the aerosol filter member 5.2, the aerosol filter member 5.2 is connected with the main air duct 5.4 through the flexible telescopic air duct 5.3, the main air duct 5.4 is disposed in the wheel axle 2.1 of the grinding wheel base, the main air duct 5.4 is communicated with a plurality of air passages 5.5 uniformly distributed in the grinding wheel base 2.2, the plurality of air passages 5.5 are radially distributed in the grinding wheel base 2.2 in the radial direction, and an air outlet at a terminal end thereof is disposed on the grinding wheel base 2.2 at a position 1/2 in the circumferential direction of the grinding wheel grinding sheet 3.3. The flexible telescopic air duct 5.3 can adjust the length of the air duct and can adopt corrugated pipes and the like.
As shown in fig. 2 and 5, the air duct control unit 6 includes a ventilation door 6.1 and a ventilation door switch 6.2, and the ventilation doors 6.1 are installed on the air duct 5.5 in a one-to-one correspondence manner to open and close the air duct 5.5. The ventilation door 6.1 in this embodiment is a flap valve. The ventilation door switch 6.2 comprises ventilation door switch stiff end 6.2.1 and ventilation door switch rotation end 6.2.2, ventilation door 6.1's flap valve case and ventilation door switch rotation end 6.2.2 fixed connection, and rotate along with emery wheel base part 2 together, the flap valve rotates 90 degrees along with ventilation door switch rotation end 6.2.2, can realize the switch of wind passageway 5.5 and alternate, ventilation door switch stiff end 6.2.1 is fixed and needs the position department of adjusting ventilation door 6.1 on-off state on the grinding machine moving frame, for advancing the friction point position and going out the friction point position in this embodiment, different work piece friction point positions, adjustable ventilation door switch stiff end 6.2.1's mounted position. The ventilating door switch rotating end 6.2.2 rotates along with the grinding wheel base body part 2, and 90-degree rotation is realized after the ventilating door switch rotating end is in contact with the ventilating door switch fixing end 6.2.1, so that the ventilating door 6.1 is switched alternately.
When the grinding machine is used for grinding, the grinding wheel device is supported on the support 1 through the grinding wheel base body part 2, the grinding wheel base body part 2 is driven by the motor to rotate at a high speed, the movable end of the grinding wheel grinding piece part 3 on the grinding wheel base body part 2 rotates outwards under the action of centrifugal force, when the centrifugal force is balanced with the tensile force of the spring 3.2, the grinding wheel grinding piece 3.3 reaches a balance position, and the grinding wheel grinding piece 3.3 is in contact with a workpiece to be machined to grind the workpiece. Meanwhile, a certain gap exists between the grinding wheel abrasive disc 3.3 and the grinding wheel base body part 2, the gap is communicated with the air channel part 5, and the ventilation door 6.1 is in a state of opening the air channel 5.5. Under the action of the suction force of the fan 5.1, grinding dust generated by grinding and flying out along the tangential direction is sucked into the air duct portion 5 through the air channel 5.5 and is discharged from the air duct portion 5. The clearance between the grinding wheel abrasive disc 3.3 and the grinding wheel base part 2 is in direct proportion to the rotating speed of the grinding wheel, the quantity of abrasive dust is also in direct proportion to the rotating speed of the grinding wheel, and the flight angle is also in a positive relation to the rotating speed of the grinding wheel, so that the abrasive dust can be recovered in a self-adaptive mode. And through the operation of breathing in of fan 5.1, the air gets into inside grinding wheel base member 2.2 from the outside, and convection current heat transfer when inside through grinding wheel abrasive disc 3.3 plays good cooling effect to the emery wheel, avoids grinding wheel abrasive disc 3.3 to ablate. And the air after cooling emery wheel abrasive disc 3.3 is inhaled aerosol and is filtered 5.2, has avoided cooling air to produce aerosol pollution, and the grinding heat is in direct proportion relation with emery wheel rotation speed, and along with the rotational speed improves, the clearance between emery wheel abrasive disc 3.3 and emery wheel base part 2 crescent, and the windage will reduce, can self-adaptation control emery wheel abrasive disc 3.3's cooling effect. The grinding wheel and grinding disc 3.3 has certain uncertainty when the centrifugal force and the pulling force of the spring 3.2 act, so that the grinding wheel and grinding disc is suitable for rough grinding.
This embodiment realizes the fine manipulation through the control of emery wheel abrasive disc control part 4 to emery wheel abrasive disc 3.3 position, and track subassembly 4.2 and leading wheel subassembly 4.1 combined action control emery wheel abrasive disc 3.3 movable end's position together to the rotation grinding position of accurate control emery wheel abrasive disc 3.3 realizes the fine manipulation. Meanwhile, under the action of the rail supporting piece 4.3, the rail component 4.2 can adjust the position of the rail component 4.2 relative to the workpiece, and the grinding precision is accurately controlled.
In the embodiment, the position of the grinding wheel abrasive disc 3.3 is controlled only by aiming at a grinding point, when the grinding wheel abrasive disc 3.3 is separated from a workpiece, the track component 4.2 is separated from the guide wheel component 4.1, and the self-adaptive dust removal and cooling effects of the grinding wheel abrasive disc 3.3 and the grinding wheel base body part 2 under the action of centrifugal force are ensured.
When the grinding wheel abrasive disc 3.3 is opposite to the workpiece, the ventilation door 6.1 of the corresponding air channel 5.5 is closed under the driving of the ventilation door switch 6.2, and the dust removal and cooling of the grinding wheel abrasive disc 3.3 in contact with the workpiece are guaranteed to the maximum extent.
The working principle of the ventilation door switch 6.2 in the embodiment is as follows: the ventilating door switch rotating end 6.2.2 is in contact with the ventilating door switch fixing end 6.2.1 at the position where the opening and closing state of the ventilating door 6.1 needs to be adjusted under the rotating action of the grinding wheel, the ventilating door switch rotating end 6.2.2 is contacted at each time to rotate 90 degrees, so that the alternating state of opening and closing of the air channel 5.5 is realized, the opening is realized before the air channel enters a grinding point, and the closing is realized after the air channel is far away from the grinding point.
While the principles of the invention have been described in detail in connection with the preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing embodiments are merely illustrative of exemplary implementations of the invention and are not limiting of the scope of the invention. The details of the embodiments are not to be interpreted as limiting the scope of the invention, and any obvious changes, such as equivalent alterations, simple substitutions and the like, based on the technical solution of the invention, can be interpreted without departing from the spirit and scope of the invention.
Claims (9)
1. A self-adaptive grinding wheel device of a grinding machine is characterized by comprising a support (1), a grinding wheel base body part (2), a grinding wheel grinding part (3) and an air duct part (5);
the grinding wheel base part (2) comprises a grinding wheel base body wheel shaft (2.1) and a grinding wheel base body (2.2), the grinding wheel base body (2.2) is of a cylindrical structure, the grinding wheel base body (2.2) is fixed on the support (1) through the grinding wheel base body wheel shaft (2.1), and the support (1) is installed on a grinding machine moving frame in a dust cover;
the grinding wheel grinding piece part (3) comprises a rotating shaft (3.1), a spring (3.2) and a grinding wheel grinding piece (3.3), and the grinding wheel grinding pieces (3.3) are sequentially connected with the grinding wheel base body (2.2) through fixed ends along the circumferential direction of the grinding wheel base body part (2); the grinding wheel base part (2) drives the grinding wheel grinding piece part (3) to rotate together, and the grinding wheel grinding piece (3.3) can rotate freely around the rotating shaft (3.1); the middle part of the grinding wheel abrasive disc (3.3) in the circumferential direction is connected with the grinding wheel base body (2.2) through the spring (3.2); when the grinding machine is used for grinding operation, the grinding wheel device is supported on the support (1) through the grinding wheel base body part (2), the grinding wheel base body part (2) is driven by the motor to rotate at a high speed, the movable end of the grinding wheel grinding piece part (3) on the grinding wheel base body part (2) rotates outwards under the action of centrifugal force, when the centrifugal force is balanced with the tensile force of the spring (3.2), the grinding wheel grinding piece (3.3) reaches a balance position, and the grinding wheel grinding piece (3.3) is in contact with a workpiece to be machined to grind the workpiece;
the air duct part (5) comprises a fan (5.1), an aerosol filter piece (5.2), a main air duct (5.4) and an air channel (5.5); the fan (5.1) is connected with the main air duct (5.4) through the aerosol filter piece (5.2), the main air duct (5.4) is arranged in the grinding wheel base body wheel shaft (2.1) and communicated with a plurality of air channels (5.5) uniformly distributed in the grinding wheel base body (2.2), the air channels (5.5) are radially distributed in the grinding wheel base body (2.2) along the radial direction, and an air outlet at the tail end of the air channel is arranged on the grinding wheel base body (2.2);
the grinding wheel grinding disc (3.3) grinds a workpiece under the action of centrifugal force, and the air duct portion (5) recovers grinding dust through air suction operation of the fan (5.1) and cools the interior of the grinding wheel grinding disc (3.3).
2. A self-adaptive grinding wheel unit for a grinding machine according to claim 1, characterized in that said grinding wheel unit further comprises a grinding wheel chip control section (4), said grinding wheel chip control section (4) being located on a grinding workpiece side for controlling a grinding locus of said grinding wheel chip (3.3).
3. The adaptive grinding wheel device for the grinding machine according to claim 2, characterized in that the grinding wheel and grinding sheet control part (4) comprises a guide wheel assembly (4.1) and a track assembly (4.2), wherein the guide wheel assembly (4.1) is connected with the movable end of the grinding wheel and grinding sheet (3.3), and the track assembly (4.2) is a telescopic track and is fixed on the moving frame of the grinding machine; the guide wheel assembly (4.1) is in contact with the track assembly (4.2) and is supported by the track assembly (4.2).
4. The adaptive grinding wheel device for the grinding machine according to claim 3, characterized in that the grinding wheel and grinding disc control part (4) further comprises a track support member (4.3), the track assembly (4.2) is fixed on the grinding machine moving frame through the track support member (4.3), and the track support member (4.3) can drive the track assembly (4.2) to move telescopically so as to change the track radius of the track assembly (4.2).
5. A self-adapting grinding wheel unit for a grinding machine as claimed in claim 1, characterised in that it further comprises an air duct control (6) for controlling the opening and closing of said air duct (5.5).
6. The adaptive grinding wheel device for the grinding machine as claimed in claim 5, characterized in that the air duct control part (6) comprises a ventilation door (6.1) and a ventilation door switch (6.2), a plurality of ventilation doors (6.1) are correspondingly arranged on the air duct (5.5) one by one, and the switch is controlled through the ventilation door switch (6.2).
7. A self-adapting grinding wheel unit for a grinding machine according to claim 6, characterised in that said ventilation door (6.1) is a flap valve; the ventilation door switch (6.2) comprises a ventilation door switch fixing end (6.2.1) and a ventilation door switch rotating end (6.2.2), a valve core of a flap valve of the ventilation door (6.1) is fixedly connected with the ventilation door switch rotating end (6.2.2), and the ventilation door switch fixing end (6.2.1) is fixed at a position, on the grinding machine moving frame, of which the opening and closing state of the ventilation door (6.1) needs to be adjusted; the ventilating door switch rotating end (6.2.2) and the ventilating door switch fixing end (6.2.1) are contacted and then rotate for 90 degrees, and the ventilating door (6.1) is driven to be alternately opened and closed.
8. A grinder adaptive grinding wheel unit according to claim 1, characterized in that the air channel portion (5) further comprises a flexible telescopic air channel (5.3), and the aerosol filter element (5.2) is connected with the main air channel (5.4) through the flexible telescopic air channel (5.3).
9. A self-adaptive grinding wheel device for a grinding machine according to claim 1, characterized in that the support (1) comprises bearing seats (1.1) and bearings (1.2), the two bearing seats (1.1) are symmetrically fixed on the movable stand of the grinding machine, the bearings (1.2) are installed on the bearing seats (1.1), and two ends of the grinding wheel base body (2) are respectively placed on the bearings (1.2) through the grinding wheel base body wheel axle (2.1).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011278509.4A CN112372448B (en) | 2020-11-16 | 2020-11-16 | Self-adaptive grinding wheel device of grinding machine |
| PCT/CN2021/129849 WO2022100620A1 (en) | 2020-11-16 | 2021-11-10 | Self-adaptive grinding wheel device of grinding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011278509.4A CN112372448B (en) | 2020-11-16 | 2020-11-16 | Self-adaptive grinding wheel device of grinding machine |
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| CN112372448A CN112372448A (en) | 2021-02-19 |
| CN112372448B true CN112372448B (en) | 2022-01-28 |
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| CN202011278509.4A Active CN112372448B (en) | 2020-11-16 | 2020-11-16 | Self-adaptive grinding wheel device of grinding machine |
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| WO (1) | WO2022100620A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112372448B (en) * | 2020-11-16 | 2022-01-28 | 湖南大学 | Self-adaptive grinding wheel device of grinding machine |
| CN113442028B (en) * | 2021-06-29 | 2023-03-14 | 中国农业科学院兰州畜牧与兽药研究所 | Yak horn polishing device |
| CN114905349B (en) * | 2022-06-10 | 2024-03-26 | 安徽省含山县皖中减速机械有限公司 | Motor casing processing is with equipment of polishing |
| CN116512118B (en) * | 2023-07-04 | 2023-09-15 | 云科智能制造（沈阳）有限公司 | Main shaft power control device for grinding of gantry machining center |
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|---|---|---|---|---|
| DE19959348A1 (en) * | 1999-07-29 | 2001-03-01 | Ehwa Diamond Ind Co | Grinding wheel for use in a grinder |
| CN210938559U (en) * | 2019-11-26 | 2020-07-07 | 宫原工业(大连)有限公司 | Grinding wheel grinder |
| CN211491111U (en) * | 2019-12-19 | 2020-09-15 | 宋京新 | Combined multifunctional electroplating grinding wheel |
| CN211760865U (en) * | 2019-10-22 | 2020-10-27 | 江苏佰加汽车零部件有限公司 | Self-radiating grinding wheel in grinding process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480506B (en) * | 2019-07-26 | 2021-08-10 | 西安理工大学 | Internal cooling grooving grinding wheel device for forming grinding |
| CN110712141A (en) * | 2019-12-06 | 2020-01-21 | 河南科技大学 | Pump suction type grinding arc liquid storage grinding wheel |
| CN111604821A (en) * | 2020-06-29 | 2020-09-01 | 河南科技大学 | Intermittent diameter-reducing liquid-yielding grinding wheel |
| CN112372448B (en) * | 2020-11-16 | 2022-01-28 | 湖南大学 | Self-adaptive grinding wheel device of grinding machine |
-
2020
- 2020-11-16 CN CN202011278509.4A patent/CN112372448B/en active Active
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2021
- 2021-11-10 WO PCT/CN2021/129849 patent/WO2022100620A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19959348A1 (en) * | 1999-07-29 | 2001-03-01 | Ehwa Diamond Ind Co | Grinding wheel for use in a grinder |
| CN211760865U (en) * | 2019-10-22 | 2020-10-27 | 江苏佰加汽车零部件有限公司 | Self-radiating grinding wheel in grinding process |
| CN210938559U (en) * | 2019-11-26 | 2020-07-07 | 宫原工业(大连)有限公司 | Grinding wheel grinder |
| CN211491111U (en) * | 2019-12-19 | 2020-09-15 | 宋京新 | Combined multifunctional electroplating grinding wheel |
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| WO2022100620A1 (en) | 2022-05-19 |
| CN112372448A (en) | 2021-02-19 |
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