CN113172558A - Automatic burnishing and polishing wheel and burnishing and polishing equipment of adjustment gesture - Google Patents

Automatic burnishing and polishing wheel and burnishing and polishing equipment of adjustment gesture Download PDF

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Publication number
CN113172558A
CN113172558A CN202110599084.5A CN202110599084A CN113172558A CN 113172558 A CN113172558 A CN 113172558A CN 202110599084 A CN202110599084 A CN 202110599084A CN 113172558 A CN113172558 A CN 113172558A
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CN
China
Prior art keywords
polishing wheel
polishing
grinding
protective cover
wheel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110599084.5A
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Chinese (zh)
Inventor
梁志强
方旺
黄溢明
吴乃优
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Guangdong Boke Numerical Control Machinery Co ltd
Original Assignee
Guangdong Boke Numerical Control Machinery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Boke Numerical Control Machinery Co ltd filed Critical Guangdong Boke Numerical Control Machinery Co ltd
Priority to CN202110599084.5A priority Critical patent/CN113172558A/en
Publication of CN113172558A publication Critical patent/CN113172558A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/02—Wheels in one piece
    • 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
    • B24B19/14—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or the like
    • 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
    • B24B27/00—Other grinding machines or devices
    • 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
    • B24B27/00—Other grinding machines or devices
    • B24B27/0092—Grinding attachments for lathes or the like
    • 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
    • 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
    • B24B55/04—Protective covers for the grinding wheel

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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 polishing wheel capable of automatically adjusting posture and polishing equipment, comprising: the device comprises a protective cover, a grinding and polishing wheel arranged on the protective cover, a driving motor assembly connected with the grinding and polishing wheel, a laser ranging sensor assembly and a vertical deflection adjusting assembly connected with the protective cover; the laser ranging sensor assembly is used for acquiring the real-time distance between the grinding and polishing wheel and the surface of the workpiece; the laser ranging sensor assembly and the vertical deflection adjusting assembly are in signal connection with the intelligent control system; the intelligent control system controls the vertical deflection adjusting assembly to rotate in the vertical direction by a preset angle, so that the protective cover and a grinding and polishing wheel in the protective cover are driven to rotate in the vertical direction, and the grinding and polishing wheel is kept to be vertically contacted with the surface of a workpiece. The polishing wheel capable of automatically adjusting the posture and the polishing equipment can automatically adjust the polishing posture of the polishing wheel and reduce the manufacturing and using cost of the equipment, so that the application range of the polishing wheel is expanded.

Description

Automatic burnishing and polishing wheel and burnishing and polishing equipment of adjustment gesture
Technical Field
The invention relates to the technical field of polishing equipment, in particular to a polishing wheel capable of automatically adjusting posture and polishing equipment.
Background
China is a large country for equipment manufacturing, and with the continuous development of manufacturing technology, the method is already involved in large-scale manufacturing of large and medium-sized equipment such as wind power generation, ships and marine equipment, the products are various in variety and the external contour shape is complex, and especially wind power generation is one of important means for achieving the goals of carbon peak reaching and carbon neutralization and obviously improving the ecological environment in China. The surface grinding, polishing and coating are required for manufacturing and maintaining the large and medium-sized equipment, wherein the grinding and polishing process still mostly depends on a hand of a worker to hold a grinding machine and a small number of vehicle-mounted robots to work at present, so that the environmental dust pollution is serious and the health of the worker is injured.
The Chinese patent with the publication number of CN111546223A discloses a walking type thin-wall part grinding and polishing device, wherein during operation, a six-dimensional force sensor and an intelligent control system maintain the contact pressure between a grinding and polishing wheel and the surface of a thin-wall cylindrical part to be constant according to a preset contact pressure value, flexible grinding and polishing are realized, no heat is generated during operation, and therefore the surface of the thin-wall cylindrical part is prevented from being damaged or deformed by heat, and the grinding and polishing surface is uniform and smooth.
However, for the polishing of wind power blades and large and medium ship hulls with lower requirements on surface roughness, if the radial cyclone brush polishing wheel and the six-dimensional force sensor assembly in the patent are used, the manufacturing and using cost of equipment is greatly increased, and thus the popularization and application of the equipment are influenced.
Disclosure of Invention
The invention aims to provide a polishing wheel capable of automatically adjusting the posture and polishing equipment, which are used for automatically adjusting the polishing posture of the polishing wheel and reducing the manufacturing and using cost of the equipment, so that the application range of the polishing wheel is expanded. The constant surface contact pressure can be automatically maintained in the grinding and polishing process, and flexible grinding and polishing are realized.
According to a first aspect of the present invention, there is provided an automatically attitude-adjusting abrasive polishing wheel comprising:
the device comprises a protective cover, a grinding and polishing wheel arranged on the protective cover, a driving motor assembly connected with the grinding and polishing wheel, a laser ranging sensor assembly and a vertical deflection adjusting assembly connected with the protective cover;
the laser ranging sensor assembly is used for acquiring the real-time distance between the grinding and polishing wheel and the surface of the workpiece;
the laser ranging sensor assembly and the vertical deflection adjusting assembly are in signal connection with the intelligent control system;
and when the real-time deflection angle obtained by the real-time distance processing reaches a preset deflection angle, the intelligent control system controls the vertical deflection adjusting assembly to rotate in the vertical direction by the preset angle, so that the protective cover and the grinding and polishing wheel on the protective cover are driven to vertically swing up and down to keep the grinding and polishing wheel vertically contacted with the surface of the workpiece.
In some embodiments, the abrasive polishing wheel further comprises:
a horizontal yaw adjustment assembly, the horizontal yaw adjustment assembly comprising: the two connecting plates are arranged on the protective cover, and the left and right deflection rotating central shaft is connected with the two connecting plates;
when the surface of the workpiece is uneven, the protective cover and the grinding and polishing head arranged on the protective cover can rotate around the left and right deflection rotating central shaft in a deflection manner.
In some embodiments, the abrasive polishing wheel further comprises:
the constant-pressure polishing assembly is connected with the protective cover and comprises an air cylinder mounting seat and a balance air cylinder;
the constant-pressure polishing assembly is in signal connection with an intelligent control system; when the real-time pressure of the balance cylinder reaches the preset pressure, the intelligent control system controls the driving motor of the driving motor assembly to rotate so as to drive the grinding and polishing wheel to rotate. .
Further, the constant pressure sanding assembly includes;
the rotary base, set up two guide rail mounting panels in the rotary base both sides, set up two linear guide on two guide rail mounting panels respectively, set up two cylinder mount pads on two linear guide respectively and set up two balance cylinder on two cylinder mount pads respectively, balance cylinder's piston rod with the rotary base is connected.
Further, the rotating seat is connected with a left-right deflection rotating central shaft;
the left and right deflection rotating central shaft is connected with a connecting plate, and the connecting plate is arranged on the protective cover. .
In some embodiments, the vertical yaw adjustment assembly comprises:
the protection cover comprises a servo motor, a right-angle speed reducer connected with the servo motor and a connecting seat arranged at the shaft end of the right-angle speed reducer, wherein the connecting seat is connected with the protection cover;
the servo motor is in signal connection with the intelligent control system and rotates according to the control signal of the intelligent control system, so that the right-angle speed reducer, the connecting seat, the protective cover connected with the connecting seat and the grinding and polishing wheel on the protective cover are driven to swing up and down in the vertical direction.
Furthermore, two shaft ends of the right-angle speed reducer are respectively provided with a connecting seat, and the connecting seats are connected with the linear guide rail of the constant-pressure polishing assembly.
The linear guide is installed on the guide mounting plate, and the guide mounting plate is connected with the protective cover through the rotating seat.
In some specific embodiments, the laser ranging sensor assembly comprises:
two laser rangefinder sensors, two laser rangefinder sensors are installed respectively in protection casing top and below.
In some embodiments, the abrasive polishing wheel further comprises:
the pressure regulating wheel assemblies are arranged on two sides of the protective cover and comprise regulating fixing plates, pressure regulating wheel mounting plates, pressure regulating wheels and regulating nuts;
the pressure regulating wheel is connected with the grinding and polishing wheel, the pressure regulating wheel is arranged on a pressure regulating wheel mounting plate, the pressure regulating wheel mounting plate is connected with an adjusting nut, the adjusting nut is arranged on an adjusting fixing plate, and the adjusting fixing plate is arranged on the protective cover;
and the adjusting nut is rotated to drive the pressure regulating wheel mounting plate and the pressure regulating wheel to move so as to realize the wear compensation of the grinding and polishing wheel.
According to a second aspect of the invention, the grinding and polishing equipment comprises the grinding and polishing wheel capable of automatically adjusting the posture.
Compared with the prior art, the invention has the beneficial effects that:
1. the grinding and polishing wheel capable of automatically adjusting the posture can adapt to surface treatment of wind power blades of various specifications and large ships, and can keep constant-pressure vertical contact work between the grinding and polishing wheel and the surface of a workpiece on a vertical surface in the grinding and polishing process by arranging the laser ranging sensor assembly and the vertical deflection adjusting assembly which are in signal connection with the intelligent control system. The surface of the polishing part is ensured to be uniform and smooth.
2. According to the polishing wheel capable of automatically adjusting the posture, the polishing wheel and the surface of a workpiece can be kept in constant-pressure vertical contact operation on a horizontal plane in the polishing process through the horizontal deflection adjusting assembly, and the surface of a polishing part is further ensured to be uniform and smooth.
3. The polishing wheel capable of automatically adjusting the posture is provided with the constant-pressure polishing assembly in signal connection with the intelligent control system, so that the polishing wheel can be effectively guaranteed to perform polishing under constant surface contact pressure, and the uniform and smooth surface of a polishing part can be guaranteed in the continuous flexible polishing process through the polishing wheel.
4. The grinding and polishing wheel adopted by the invention is an automatic posture-adjusting and dust-absorbing grinding head formed by stacking sisal fiber cloth wheels with different diameters and tightly interlocking by shaft strings, has different flexibility and lasting cutting force, and is suitable for different process requirements of surface treatment of workpieces. And continuous flexible grinding and polishing are realized.
5. According to the invention, the horizontal deflection adjusting assembly, the vertical swing adjusting assembly, the laser distance measuring sensor assembly and the constant pressure polishing assembly are in signal connection with the intelligent control system, so that the polishing wheel can swing around the central axis of the polishing wheel by preset positive and reverse angles all the time in the whole polishing process from top to bottom and from bottom to top, the vertical contact between the polishing wheel and the surface of a workpiece is ensured, the contact pressure is always kept constant, the abrasion of the polishing wheel caused by heating is reduced, the polishing wheel is durable, the production efficiency is improved, and the production cost is reduced. The self-dust collection function improves environmental management to a completely new level.
For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of an embodiment of an automated attitude adjustment lapping and polishing wheel according to the present invention;
FIG. 2 is a schematic diagram of an embodiment of an automatically attitude adjusting lapping polishing wheel according to the present invention;
FIG. 3 is a schematic diagram of an embodiment of an automatically attitude adjusting lapping polishing wheel according to the present invention;
FIG. 4 is a schematic diagram of an embodiment of an automatically attitude adjusting lapping polishing wheel according to the present invention;
FIG. 5 is a schematic diagram of an embodiment of an automatically attitude adjusting lapping polishing wheel according to the present invention;
fig. 6 is a schematic structural diagram of an intelligent control system of the grinding and polishing apparatus according to the embodiment of the present invention.
Detailed Description
To better illustrate the present invention, the present invention is described in further detail below with reference to FIGS. 1-6.
The embodiment of the invention provides a polishing wheel capable of automatically adjusting posture, which comprises:
the protection casing 2 sets up grinding and polishing wheel 1, dust absorption hose 3, horizontal beat adjusting part 4 on the protection casing, the constant pressure subassembly 5 of polishing of being connected with the protection casing, with the perpendicular beat adjusting part 6 that the protection casing is connected, with the driving motor subassembly 8 that the grinding and polishing wheel is connected, set up at the pressure regulating wheel subassembly 9 of protection casing both sides, set up the laser rangefinder sensor subassembly 10 in the protection casing both sides.
The grinding and polishing wheel 1 is arranged in the protective cover, a plurality of sisal coarse fiber cloth wheels or a plurality of sisal fine fiber inclined groove cloth wheels with different diameters are overlapped, and are connected in series and locked by a shaft, and the diameter of the grinding and polishing wheel 1 is slightly larger than that of the pressure regulating wheel. The sisal hemp coarse fiber cloth wheels continuously keep stronger grinding force in the whole life cycle, and are mainly used for coarse grinding such as a wind power blade demoulding adhesive process; the sisal fine fiber oblique groove cloth wheel has the advantages of good flexibility, optimal attachment and durable grinding force, less heating and abrasion in the operation process, and cleaner, uniform and smooth grinding and polishing surface compared with the former.
The horizontal deflection adjusting assembly 4 comprises two connecting plates 41 arranged on the protective cover and a left deflection rotating central shaft 42 connected with the two connecting plates;
when the surface of a workpiece is uneven, the protective cover 2 and the grinding and polishing head 1 arranged on the protective cover can rotate around the rotating central shaft of the left-right deflection so that the grinding and polishing wheel 1 can vertically contact with the surface of the workpiece on a horizontal plane to work, and the surface of a grinding and polishing part is uniform and smooth.
For example, in the process of polishing the polishing wheel 1 from top to bottom, if the surface has a convex part with a radian, the protective cover will rotate around the left and right deflection rotating central shafts 42 due to the reaction force of the convex part, so that the polishing wheel 1 can vertically contact with the surface of the workpiece for polishing.
Preferably, in the embodiment of the invention, the two connecting plates are arranged up and down, and the angle range of the deflection rotation of the protective cover and the grinding and polishing head around the left and right deflection rotation central axis is ± 10 °.
Wherein the constant pressure grinding assembly 5 comprises a cylinder mounting seat 51 and a balance cylinder 54; the constant-pressure polishing assembly 5 is in signal connection with an intelligent control system; when the real-time pressure of the balance cylinder reaches the preset pressure, the intelligent control system controls the driving motor of the driving motor assembly 8 to rotate so as to drive the grinding and polishing wheel to rotate. Through setting up the constant pressure subassembly of polishing with intelligent control system signal connection, can effectively guarantee to polish the wheel and polish under invariable surface contact pressure to realize in the continuous flexibility polishing and polish in-process through polishing the wheel, guarantee that the part surface of polishing is even, smooth.
It should be noted that, in the embodiment of the present application, the real-time pressure of the balance cylinder is set as the surface contact pressure between the polishing wheel 1 and the workpiece after being adjusted.
Specifically, the constant-pressure polishing assembly comprises a rotating base 55, two guide rail mounting plates 53 arranged on two sides of the rotating base 55, two linear guide rails 52 arranged on the two guide rail mounting plates respectively, two cylinder mounting bases 51 arranged on the two linear guide rails respectively, and two balance cylinders 54 arranged on the two cylinder mounting bases respectively, wherein piston rods of the balance cylinders are connected with the rotating base.
The rotating base is connected with a left and right deflection rotating central shaft 42 of the horizontal deflection adjusting component 4; the left and right yaw rotation center shaft 42 is connected to a connection plate 41, and the connection plate 41 is provided on the shield 2.
Specifically, after a mechanical arm of the polishing equipment rapidly conveys the polishing wheel to contact the surface of a workpiece, the mechanical arm pushes the polishing wheel to continue to advance towards the workpiece at a low speed, at the moment, a balance cylinder with a piston rod in an extending state contracts under the thrust action of the mechanical arm, and the thrust set by the balance cylinder is defined to be the polishing pressure of the polishing head. When the grinding and polishing pressure is constant, the driving motor of the driving motor assembly 8 drives the grinding and polishing wheel 1 to start grinding and polishing.
Further, the constant pressure subassembly of polishing of this application embodiment is through setting up two linear guide 52, impels at the arm of a robot and polishes the polishing wheel contact workpiece surface, because contact reaction force, the piston rod drives whole balance cylinder and moves back along linear guide, can effectively prevent to polish wheel and work piece hard contact, has effectively prevented the damage to the work piece and can effectively prevent the wearing and tearing to the polishing head.
Wherein the vertical yaw adjustment assembly 6 comprises: the protection cover comprises a servo motor 65, a right-angle speed reducer 62 connected with the servo motor, and a connecting seat 61 arranged at the shaft end of the right-angle speed reducer, wherein the connecting seat is connected with the protection cover.
Further, a nesting 63 is arranged at the tail end of the mechanical arm 7 of the grinding and polishing equipment; one end of the nesting sleeve 63 is connected with the servo motor 65, and the other end of the nesting sleeve is connected with the right-angle speed reducer 62. Preferably, the servo motor 65 is located inside the end of the robot arm.
As shown in the figure, connecting seats 61 are arranged at two shaft ends of a right-angle reducer 62, and are connected with a linear guide rail 52 of a constant-pressure grinding assembly;
the linear guide 52 is mounted on a guide mounting plate 53 which is connected to the shield 2 by a rotary mount 55. Specifically, as described above, the rotary base 55 is connected to the yaw rotation center shaft 42; the left and right yaw rotation center shaft 42 is connected to a connection plate 41, and the connection plate 41 is provided on the shield 2.
The servo motor is in signal connection with the intelligent control system and rotates according to the control signal of the intelligent control system, so that the right-angle speed reducer, the connecting seat, the protective cover connected with the connecting seat and the grinding and polishing wheel on the protective cover are driven to swing up and down in the vertical direction. The grinding and polishing wheel is vertically contacted with the surface of a workpiece to work in the grinding and polishing process, and the surface of a grinding part is uniform and smooth.
Specifically, in the top-down and bottom-up polishing processes, the polishing wheel swings by a predetermined forward angle and a predetermined reverse angle around the shaft of the right-angle speed reducer 62 along with the radian change of the surface of the workpiece all the time, so that the normal direction of the polishing wheel is always in vertical contact with the surface of the workpiece, the contact pressure of the polishing wheel is kept constant, and the abrasion caused by the heating of the polishing wheel is reduced, so that the polishing surface is uniform and smooth.
The vertical deflection adjusting assembly 6 is connected with a mechanical arm of the polishing device, and the mechanical arm is used for driving the polishing wheel capable of automatically adjusting the posture to integrally approach or depart from the surface of a workpiece so as to achieve polishing work.
The driving motor assembly 8 is used for driving the grinding and polishing wheel 1 to contact with a workpiece for grinding and polishing. Specifically, the driving motor assembly 8 comprises a driving motor, a synchronous belt pulley at the shaft end of the driving motor, a synchronous belt and a synchronous belt pulley connected with a grinding and polishing wheel. The driving motor rotates to drive the synchronous belt wheel, the synchronous belt and the synchronous belt wheel connected with the polishing wheel to rotate so as to drive the polishing wheel 1 to rotate.
The pressure regulating wheel assembly 9 comprises a regulating fixed plate 92, a pressure regulating wheel mounting plate 94, a pressure regulating wheel 93 and a regulating nut 91;
the pressure regulating wheel is connected with the grinding and polishing wheel, the pressure regulating wheel is arranged on a pressure regulating wheel mounting plate, the pressure regulating wheel mounting plate is connected with an adjusting nut, the adjusting nut is arranged on an adjusting fixing plate, and the adjusting fixing plate is arranged on the protective cover;
and the adjusting nut is rotated to drive the pressure regulating wheel mounting plate and the pressure regulating wheel to move so as to realize the wear compensation of the grinding and polishing wheel. When the polishing wheel is worn, the nut is manually adjusted to match the polishing wheel with the diameter of the pressure regulating wheel.
The distance between the two pressure regulating wheels is determined by the length of the polishing wheel, when a section of workpiece polishing operation is finished, the electric trolley is manually operated to run along the edge of the workpiece for a length distance of the polishing wheel, and the pressure regulating wheels are used as marks of the polisher for positioning and then operating until the workpiece operation is finished. When the length of the section to be polished of the workpiece is smaller than that of the polishing wheel, the electric trolley moves forwards to position the distance between the two polishing wheels, and then the operation is repeated.
Wherein the laser ranging sensor assembly 10 comprises: two laser ranging sensors 101 and 102, which are respectively installed above and below the shield. Specifically, two laser rangefinder sensors are installed respectively and just both symmetry set up on the central line of protection casing top and below.
The laser ranging sensor assembly is used for acquiring the real-time distance between the grinding and polishing wheel and the surface of the workpiece. The upper end and the lower end of the polishing wheel can be effectively measured through the upper laser ranging sensor and the lower laser ranging sensor, and the real-time distance from the upper end and the lower end of the polishing wheel to the surface of a workpiece is respectively measured.
The laser ranging sensor assembly and the vertical deflection adjusting assembly are in signal connection with the intelligent control system; and after the measured real-time distances from the upper end and the lower end of the polishing wheel to the surface of the workpiece respectively, sending the distances to an intelligent control system.
And when the real-time deflection angle obtained by the real-time distance processing reaches a preset deflection angle, the intelligent control system controls the vertical deflection adjusting assembly to vertically and vertically swing by the preset angle, so that the protective cover and the polishing wheel in the protective cover are driven to vertically and vertically swing, and the polishing wheel is kept in vertical contact with the surface of the workpiece.
The grinding and polishing wheel capable of automatically adjusting the posture can adapt to surface treatment of wind power blades of various specifications and large ships, and can keep the grinding and polishing wheel in vertical contact with the surface of a workpiece in the grinding and polishing process by arranging the laser ranging sensor assembly and the vertical deflection adjusting assembly which are in signal connection with the intelligent control system. The surface of the polishing part is ensured to be uniform and smooth.
According to the polishing wheel capable of automatically adjusting the posture, the horizontal deflection adjusting assembly can keep the polishing wheel and the surface of a workpiece to vertically contact on a horizontal plane in the polishing process, and the surface of a polishing part is further ensured to be uniform and smooth.
According to the polishing wheel capable of automatically adjusting the posture, the constant-pressure polishing assembly in signal connection with the intelligent control system is arranged, so that the polishing wheel can be effectively guaranteed to perform polishing under constant surface contact pressure, and the uniform and smooth surface of a polishing part is guaranteed in the continuous flexible polishing process through the polishing wheel.
The grinding and polishing wheel adopted by the embodiment of the invention is an automatic posture-adjusting and dust-collecting grinding head formed by stacking sisal fiber cloth wheels with different diameters and tightly interlocking by a shaft string, has different flexibility and lasting cutting force, and is suitable for different process requirements of surface treatment of workpieces. And continuous flexible grinding and polishing are realized.
According to the embodiment of the invention, the horizontal deflection adjusting assembly, the vertical swinging adjusting assembly, the laser ranging sensor assembly and the constant-pressure polishing assembly are in signal connection with the intelligent control system, so that the polishing wheel can swing around the central shaft of the polishing wheel by preset positive and reverse angles all the time in the whole polishing process from top to bottom and from bottom to top, the vertical contact between the polishing wheel and the surface of a workpiece is ensured, the contact pressure is always kept constant, the abrasion of the polishing wheel caused by heating is reduced, the polishing wheel is durable, the production efficiency is improved, and the production cost is reduced. The self-dust collection function improves environmental management to a completely new level.
The embodiment of the invention also provides polishing equipment which comprises the polishing wheel capable of automatically adjusting the posture.
The grinding and polishing equipment also comprises a mechanical arm. The arm is used for driving the polishing wheel of the automatic adjustment gesture of this application embodiment wholly to the workpiece surface be close to or keep away from to realize polishing work.
The polishing equipment also comprises a dust suction device, wherein the dust suction device consists of dust brushes arranged at the upper side and the lower side of the protective cover 2 and two dust suction hoses 3 arranged at the upper end and the lower end of one side of the protective cover, the dust suction hoses are hung on a support at the top end of the machine body through steel wire ropes and can ascend and descend along with the ascending and descending of the polishing wheel, the tail ends of the dust suction hoses are connected with a vehicle-mounted dust collector, and the dust suction device collects the polished dust.
The grinding and polishing equipment further comprises an intelligent control system, wherein the intelligent control system is in signal connection with the laser distance measuring sensor assembly and the vertical deflection adjusting assembly and is used for calculating and processing according to a real-time distance between the grinding and polishing wheel and the surface of the workpiece, which is sent by the laser distance measuring sensor assembly, to obtain a real-time deflection angle; the intelligent control system is also used for controlling the vertical deflection adjusting assembly to vertically swing up and down by a preset angle when the real-time deflection angle is judged to reach the preset deflection angle, and specifically controlling the servo motor of the vertical deflection adjusting assembly to rotate forwards and backwards.
The intelligent control system is further used for being in signal connection with the constant-pressure polishing assembly and controlling the driving motor assembly to rotate when the real-time pressure of the balance cylinder is judged to reach the preset pressure so as to drive the polishing wheel to rotate.
Specifically, the intelligent control system includes: the system comprises an industrial tablet computer/human-computer interface display interface 111, a central logic control unit 112, a vertical swing angular displacement control unit 113, a laser ranging sensor unit 114, a servo motor control unit 115, a dust collector control unit 116 and an alternating current motor control unit 117.
The industrial tablet computer-human-computer interface display interface 111 is used for setting a preset pressure and a preset deflection angle, receiving and processing signals of the laser ranging sensor unit 114, calculating vertical swing positive and negative angle values in the polishing process, and displaying the real-time pressure and the real-time deflection angle.
Further, the industrial tablet computer-human machine interface display interface 111 is connected with the central logic control unit 112, the vertical swing angular displacement control unit 113 and the laser ranging sensor unit 114 through an ethernet network, and performs judgment according to a preset pressure preset by a user through the industrial tablet computer-human machine interface display interface 111, when the real-time pressure is equal to the preset pressure, the central logic control unit 112 sends a signal to the alternating current motor control unit 117 to drive the grinding and polishing wheel to rotate, so as to maintain the real-time contact pressure of the polishing workpiece constant;
the vertical swing angular displacement control unit 113 receives and processes signals of the laser ranging sensor unit 114 according to a preset deflection angle preset on the industrial tablet computer-human-computer interface display interface 111, calculates and adjusts real-time vertical swing forward and reverse angle values in the polishing process, and displays the vertical swing forward and reverse angle values.
The central logic control unit 112 is also connected to a cleaner control unit 116, etc.
The industrial tablet computer-human-computer interface display interface 111 is also used for inputting other process parameters and closed-loop control of the vertical swing angle of the polishing wheel, and displaying other process parameters and the like.
The grinding and polishing wheel and the grinding and polishing equipment capable of automatically adjusting the posture can be suitable for grinding and polishing the surfaces of wind power blades and large ships of various specifications, and the surface contact pressure (the preset pressure) and the normal and reverse angle values of vertical swing in the grinding process can be preset; when contact pressure equals the setting value, can maintain polishing wheel and workpiece surface's real-time contact pressure invariable, realize polishing wheel vertical swing angle closed-loop control simultaneously, reduce polishing wheel because of the wearing and tearing that generate heat and cause to reduction in production cost.
In addition, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the invention and to simplify the description, and unless otherwise stated the above words are not intended to have a special meaning.
The present invention is not limited to the above-described embodiments, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technology of the present invention if they do not depart from the spirit and scope of the present invention.

Claims (10)

1. Automatic polishing wheel of adjustment gesture, its characterized in that includes:
the device comprises a protective cover, a grinding and polishing wheel arranged on the protective cover, a driving motor assembly connected with the grinding and polishing wheel, a laser ranging sensor assembly and a vertical deflection adjusting assembly connected with the protective cover;
the laser ranging sensor assembly is used for acquiring the real-time distance between the grinding and polishing wheel and the surface of the workpiece;
the laser ranging sensor assembly and the vertical deflection adjusting assembly are in signal connection with the intelligent control system;
when the real-time deflection angle obtained by the real-time distance processing reaches the preset deflection angle, the intelligent control system controls the vertical deflection adjusting assembly to rotate in the vertical direction for the preset angle, so that the protective cover and the grinding and polishing wheel on the protective cover are driven to rotate in the vertical direction, and the grinding and polishing wheel is kept in vertical contact with the surface of a workpiece.
2. The self-orienting abrasive polishing wheel of claim 1, further comprising:
a horizontal yaw adjustment assembly, the horizontal yaw adjustment assembly comprising: the two connecting plates are arranged on the protective cover, and the left and right deflection rotating central shaft is connected with the two connecting plates;
when the surface of the workpiece is uneven, the protective cover and the grinding and polishing head arranged on the protective cover can rotate around the left and right deflection rotating central shaft in a deflection manner.
3. The self-orienting abrasive polishing wheel of claim 1, further comprising:
the constant-pressure polishing assembly is connected with the protective cover and comprises an air cylinder mounting seat and a balance air cylinder;
the constant-pressure polishing assembly is in signal connection with an intelligent control system; when the real-time pressure of the balance cylinder reaches the preset pressure, the intelligent control system controls the driving motor of the driving motor assembly to rotate so as to drive the grinding and polishing wheel to rotate.
4. The self-righting orbital sander polishing wheel of claim 3, wherein said constant pressure sanding assembly comprises:
the rotary base, set up two guide rail mounting panels in the rotary base both sides, set up two linear guide on two guide rail mounting panels respectively, set up two cylinder mount pads on two linear guide respectively and set up two balance cylinder on two cylinder mount pads respectively, balance cylinder's piston rod with the rotary base is connected.
5. The self-orienting abrasive polishing wheel of claim 4, wherein:
the rotating seat is connected with the left-right deflection rotating central shaft;
the left and right deflection rotating central shaft is connected with a connecting plate, and the connecting plate is arranged on the protective cover.
6. The self-orienting abrasive polishing wheel of claim 1 wherein said vertical yaw adjustment assembly comprises:
the protection cover comprises a servo motor, a right-angle speed reducer connected with the servo motor and a connecting seat arranged at the shaft end of the right-angle speed reducer, wherein the connecting seat is connected with the protection cover;
the servo motor is in signal connection with the intelligent control system and rotates according to the control signal of the intelligent control system, so that the right-angle speed reducer, the connecting seat, the protective cover connected with the connecting seat and the grinding and polishing wheel in the protective cover are driven to swing up and down in the vertical direction.
7. The self-orienting abrasive polishing wheel of claim 6 wherein said vertical yaw adjustment assembly comprises:
connecting seats are arranged at two shaft ends of the right-angle speed reducer and are connected with a linear guide rail of the constant-pressure polishing assembly;
the linear guide is installed on the guide mounting plate, and the guide mounting plate is connected with the protective cover through the rotating seat.
8. The self-orienting abrasive polishing wheel of claim 1, wherein said laser range sensor assembly comprises:
two laser rangefinder sensors, two laser rangefinder sensors are installed respectively in protection casing top and below.
9. The self-orienting abrasive polishing wheel of claim 1, further comprising:
the pressure regulating wheel assemblies are arranged on two sides of the protective cover and comprise regulating fixing plates, pressure regulating wheel mounting plates, pressure regulating wheels and regulating nuts;
the pressure regulating wheel is connected with the grinding and polishing wheel, the pressure regulating wheel is arranged on a pressure regulating wheel mounting plate, the pressure regulating wheel mounting plate is connected with an adjusting nut, the adjusting nut is arranged on an adjusting fixing plate, and the adjusting fixing plate is arranged on the protective cover;
and the adjusting nut is rotated to drive the pressure regulating wheel mounting plate and the pressure regulating wheel to move so as to realize the wear compensation of the grinding and polishing wheel.
10. An abrasive polishing apparatus comprising the automatically attitude-adjusting abrasive polishing wheel according to any one of claims 1 to 9.
CN202110599084.5A 2021-05-31 2021-05-31 Automatic burnishing and polishing wheel and burnishing and polishing equipment of adjustment gesture Pending CN113172558A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110599084.5A CN113172558A (en) 2021-05-31 2021-05-31 Automatic burnishing and polishing wheel and burnishing and polishing equipment of adjustment gesture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110599084.5A CN113172558A (en) 2021-05-31 2021-05-31 Automatic burnishing and polishing wheel and burnishing and polishing equipment of adjustment gesture

Publications (1)

Publication Number Publication Date
CN113172558A true CN113172558A (en) 2021-07-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110599084.5A Pending CN113172558A (en) 2021-05-31 2021-05-31 Automatic burnishing and polishing wheel and burnishing and polishing equipment of adjustment gesture

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Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113814877A (en) * 2021-09-15 2021-12-21 常州工业职业技术学院 Automatic intelligent polishing device for tablet personal computer and working method thereof
CN116900872A (en) * 2023-05-10 2023-10-20 中复连众风电科技有限公司 Semi-automatic polisher for large-scale offshore blades

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113814877A (en) * 2021-09-15 2021-12-21 常州工业职业技术学院 Automatic intelligent polishing device for tablet personal computer and working method thereof
CN113814877B (en) * 2021-09-15 2023-02-28 常州工业职业技术学院 Working method of automatic intelligent polishing device for tablet personal computer
CN116900872A (en) * 2023-05-10 2023-10-20 中复连众风电科技有限公司 Semi-automatic polisher for large-scale offshore blades

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