CN112405169A - Plank positioner that polishes - Google Patents
Plank positioner that polishes Download PDFInfo
- Publication number
- CN112405169A CN112405169A CN202011288519.6A CN202011288519A CN112405169A CN 112405169 A CN112405169 A CN 112405169A CN 202011288519 A CN202011288519 A CN 202011288519A CN 112405169 A CN112405169 A CN 112405169A
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- China
- Prior art keywords
- wood board
- fixedly connected
- sliding
- polishing
- limiting
- 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.)
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Classifications
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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
- B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B7/28—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding wood
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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
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
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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
- B24B41/06—Work supports, e.g. adjustable steadies
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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
- 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
- B24B49/10—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 electrical means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a wood board polishing positioning device, relating to the technical field of wood board polishing devices and comprising a workbench, wherein the workbench is provided with a rectangular processing station, a wood board to be polished is placed on the processing station, the working table is provided with a polishing device through a bracket, the output end of the polishing device polishes the upper surface of the wood board through a polishing disc, and the output end rotates clockwise in the overlooking direction, four sliding grooves are arranged on the workbench, the sliding block is pulled to be close to the limit position of the processing station along the sliding grooves by the electrified contraction of the conductive spring, because one end of each of the four sliding grooves is abutted against and parallel to the clockwise side edge in the four corners of the processing station, the rotating moment of the polishing disc to the wood board is exactly vertical to the sliding grooves, thereby can be blockked completely by sliding connection's in the sliding tray stop device, the cooperation conductive spring forms preliminary spacing effect to the plank to the elastic tension of sliding block.
Description
Technical Field
The invention relates to the technical field of wood board polishing devices, in particular to a wood board polishing positioning device.
Background
When polishing the plank, need carry on spacingly to the plank, avoid taking place to remove at the in-process plank of polishing, influence the effect of polishing. The existing limiting device generally adopts an air cylinder to extrude and fix the wood board in the vertical direction or extrude and fix the four sides of the wood board, when the wood board is fixed by the fixing mode, the fixing effect of the wood board can be improved only by improving the output pressure of an air cavity for resisting the force for forcing the wood board to move by mechanical polishing, and the wood board is easy to be extruded and damaged; in the machining process of mechanical polishing, continuous vibration force is transmitted to the air cylinder output end through the wood plate, the fixed effect of the aging influence of the air cylinder on the wood plate is accelerated easily, meanwhile, when the wood plate is polished, the rotating polishing disc can form rotating torque on the wood plate, and the fixed effect of the damaged influence of the deviation of the air cylinder output end on the wood plate is easier to achieve.
Disclosure of Invention
The invention provides a wood board polishing positioning device, and aims to solve the problem that in the prior art, when a wood board is polished, a rotating torque generated by a wood board fixing and polishing device to fix the wood board by using an air cylinder easily damages the output end of the air cylinder to influence the fixing effect of the wood board.
In order to achieve the purpose, the invention adopts the following technical scheme:
a plank polishing and positioning device comprises a workbench, wherein a rectangular processing station is arranged on the workbench, a plank to be polished is placed on the processing station, a polishing device is arranged on the workbench through a bracket, the output end of the polishing device polishes the upper surface of the plank through a polishing disc, the output end rotates clockwise when looking down, four sliding grooves are formed in the workbench, one ends of the four sliding grooves are abutted against and parallel to the clockwise side edges in four corners of the processing station, a limiting device is connected in the sliding grooves in a sliding mode and comprises sliding blocks, limiting blocks and sealing plates, buckles are fixedly connected in one end, close to the processing station, of each sliding groove, a plurality of limiting grooves are formed in two sides of each sliding groove, a conductive sliding block is connected to one side of the bottom of each sliding block, a clamping block is fixedly connected to one end, far away, the clamping block is movably clamped in the buckle, the top side of the sliding block is fixedly connected with a limiting block, the limiting block is in a right-angle shape, the inner side of the limiting block is attached to a wood board with a right angle, the top side of the limiting block is fixedly connected with a sealing plate, and the lower surface of the sealing plate is attached to the upper surface of the wood board;
keep away from electrically conductive spring one side fixedly connected with sealed storehouse bottom the sliding block, sealed sliding connection has the piston rod in the sealed storehouse, fixedly connected with resumes the spring between piston rod one side and the sealed storehouse inner wall, and keep away from and resume spring one end and run through sealed storehouse and sliding block and with electrically conductive spring fixed connection, the bottom chamber has been seted up in the sliding block, logical groove has been seted up in the stopper, wherein lead to the groove and be right angle form and inside and external intercommunication, keep away from in the sealed storehouse and resume spring one side and bottom chamber intercommunication, bottom chamber top and logical groove intercommunication and both sides and spacing groove intercommunication, sealed storehouse, bottom chamber and logical groove intercommunication space each other in-connection have the elasticity bag, the elasticity bag intussuseption is filled with electrorheological fluids and fixedly connected with electrode silk, be located the inboard fixedly connected with piezoelectric patches of plank clockwise side in the spacing block, The electrode wire and the piezoelectric sheet are both electrically connected with a control circuit, and the control circuit is arranged in the sliding block.
Preferably, the four trigger switches are arranged on the workbench and are push switches, and the trigger switches send starting signals to the control circuit when being extruded by the wood board.
Preferably, the piston rod comprises piston and the connecting rod with the coaxial fixed connection of piston, piston seal sliding connection just keeps away from fixedly connected with recovery spring between connecting rod one side and the sealed storehouse inner wall in the sealed storehouse, the connecting rod is kept away from piston one end and is run through sealed storehouse and sliding block and keep away from fixture block one end fixed connection with electrically conductive spring.
Preferably, the elastic coefficient of the restoring spring is greater than that of the conductive spring, a rubber plate is fixedly connected to the bottom of the sealing plate, and the lower surface of the rubber plate is in contact with the upper surface of the wood plate.
Preferably, the control circuit receives a starting signal and controls four conductive springs to be electrified, so that the conductive springs contract and pull the limiting device to limit the four corners of the wood board after being electrified, the control circuit receives a piezoelectric signal of the piezoelectric sheet, the electrifying strength of the conductive springs is enhanced when the piezoelectric signal reaches a first upper limit threshold value, the conductive springs overcome the elastic force of the recovery springs to pull the piston rod to enable part of the elastic bags to stretch into the limiting groove through the bottom cavity, and the electrode wires are controlled to be electrified to enable the electrorheological fluid to generate liquid-solid phase change; and when the piezoelectric signal reaches a second upper limit threshold value, the power-on strength of the conductive spring is continuously enhanced, part of the elastic bag passes through the through groove and wraps four corners of the wood board, and the electrode wires are also controlled to be powered on to enable the electrorheological fluid to generate liquid-solid phase change.
Compared with the prior art, the invention has the following beneficial effects:
1. the four conductive springs are controlled to be electrified, the conductive springs are electrified and contracted to pull the sliding block to be close to the limit position of the processing station along the sliding grooves, the limiting blocks and the sealing plates on the sliding block support and limit the four corners of the board, and one ends of the four sliding grooves are abutted against and parallel to the clockwise side edges in the four corners of the processing station, so that the rotating moment of the polishing disc on the board is just vertical to the sliding grooves, the limiting devices in sliding connection in the sliding grooves can completely block the rotating moment, and the initial limiting effect is formed on the board by matching the elastic tension of the conductive springs on the sliding block.
2. When the polishing strength is improved, the extrusion force of the board on the piezoelectric sheet on the limiting block by the rotation torque of the polishing disc is enhanced, when the piezoelectric signal of the piezoelectric sheet reaches a first upper limit threshold value, the power-on strength of the conductive spring is enhanced by the control circuit, the conductive spring pulls the piston rod by overcoming the elastic force of the recovery spring, so that part of the elastic bag stretches into the limiting grooves on two sides in the sliding groove through the bottom cavity, at the moment, the electrode wires in the elastic bag are controlled to be powered on to enable the electrorheological fluid to generate liquid-solid phase change, and therefore the sliding block is fixed on the sliding groove through the solidification of the electrorheological fluid in the elastic bag, the stability of the limiting device is improved, and a further limiting effect.
3. If the polishing strength is continuously increased, the electrifying strength of the conductive spring is continuously enhanced when the piezoelectric signal reaches a second upper limit threshold value, so that part of the elastic bag is spread to the limiting groove and is continuously extruded to pass through the through groove and coat the four corners of the wood board, the electrorheological fluid is subjected to liquid-solid phase change by electrifying the electrode wires, the wood board is further fixed, meanwhile, the elasticity of the elastic bag can be utilized to effectively coat the wood board with irregular corners, and an effective fixing effect is formed after the electrorheological fluid is cured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the slider of the present invention;
FIG. 3 is a diagram illustrating a state where a piezoelectric signal reaches a first upper threshold value according to the present invention;
FIG. 4 is a diagram illustrating a state where a piezoelectric signal reaches a second upper threshold value according to the present invention;
FIG. 5 is a schematic view of the bottom chamber of the present invention communicating with the through slots;
fig. 6 is a schematic view of the working state of the present invention.
In the figure: 1 workbench, 11 sliding grooves, 111 limiting grooves, 12 trigger switches, 2 polishing devices, 3 sliding blocks, 31 conductive springs, 32 sealing bins, 321 piston rods, 322 restoring springs, 33 bottom cavities, 4 limiting blocks, 41 through grooves, 42 elastic bags, 421 piezoelectric sheets, 5 sealing plates and 6 control circuits.
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.
Referring to fig. 1-6, a plank positioner that polishes, includes workstation 1, wherein is provided with rectangle machining-position on the workstation 1, places the plank that waits to polish on the machining-position, and machining-position adaptation plank is convenient to polish the plank of same specification in same batch.
There is grinding device 2 through the support mounting on workstation 1, and grinding device 2 adopts prior art, and mobilizable moving mechanism cooperation telescopic machanism drive grinding motor removes above the plank, and grinding motor output is polished and the output overlooked direction through the polishing dish to the plank upper surface and is clockwise rotation.
Four sliding chutes 11 have been seted up on the workstation 1, and four sliding chutes 11 one end all support and lean on and just be parallel to it on the clockwise side in the processing station four corners, and sliding chute 11 sliding connection has stop device, and stop device carries on spacingly here to the plank, thereby the dish of polishing can be blockked completely with sliding chute 11 just perpendicularly to the turning moment of plank.
Stop device includes sliding block 3, stopper 4 and shrouding 5, and a plurality of spacing grooves 111 have been seted up to fixedly connected with buckle and both sides in being close to machining-position one end in the sliding tray 11, and 3 bottom one side of sliding block is connected with conductive spring 31, and when conductive spring 31 circular telegram, every circle of spring is equivalent to a coil, and the coil circular telegram produces the magnetic field of inducing, and the magnetic field of inducing that a plurality of coils formed attracts each other, makes conductive spring 31 shrink.
Sliding block 3 top side fixedly connected with stopper 4, stopper 4 are right angle form and an inboard plank right angle of laminating, and stopper 4 top side fixedly connected with shrouding 5, 5 lower surface laminating plank upper surfaces of shrouding, 5 bottom fixedly connected with rubber slab of shrouding, rubber slab lower surface and plank upper surface contact to form spacing effect to plank corner and top.
The bottom of the sliding block 3 is far away from the sealed cabin 32 of the fixedly connected with on one side of the conductive spring 31, the sealed sliding connection has the piston rod 321 in the sealed cabin 32, the piston rod 321 is composed of a piston and a connecting rod coaxially and fixedly connected with the piston, the piston is sealed and slidably connected in the sealed cabin 32 and is far away from between one side of the connecting rod and the inner wall of the sealed cabin 32 and fixedly connected with the piston, the connecting rod is far away from one end of the piston, which penetrates through the sealed cabin 32 and the sliding block 3, and is far away from one end of the clamping block fixedly connected with the conductive spring 31, the elastic coefficient of the restoring spring 322 is greater than that of the conductive spring 31, the conductive spring 31 is electrified and contracted to pull the sliding block 3 to move through the piston rod 321 and the restoring spring 322, when the sliding block.
Have seted up the bottom chamber 33 in the sliding block 3, logical groove 41 has been seted up in the stopper 4, wherein logical groove 41 is right angle form and inside and external intercommunication, keep away from in the sealed storehouse 32 and resume spring 322 one side and bottom chamber 33 intercommunication, bottom chamber 33 top and logical groove 41 intercommunication and both sides and spacing groove 111 intercommunication, sealed storehouse 32, bottom chamber 33 and logical groove 41 intercommunication space each other in-connection have elastic bag 42, when piston rod 321 removed, promote elastic bag 42 and stretch to spacing groove 111 from bottom chamber 33, promote elastic bag 42 and pass through logical groove 41 and cladding plank four corners when piston rod 321 continues to move.
The elastic bag 42 is filled with electrorheological fluid and is fixedly connected with a wire electrode, the electrorheological fluid is complex fluid formed by mixing dielectric particles and insulating liquid, the transformation from liquid state to solid state occurs under the action of a certain intensity electric field, and the electrorheological fluid is subjected to liquid-solid phase transformation after the wire electrode is electrified.
Lie in the inboard fixedly connected with piezoelectric patches 421 of plank clockwise side in the stopper 4, piezoelectric patches 421 receive the plank and receive the pressure to stopper 4 when beating the rotatory moment of torsion of mill to convert into piezoelectric signal.
The conductive spring 31, the electrode wires and the piezoelectric sheet 421 are all electrically connected with a control circuit 6, the control circuit 6 is arranged in the sliding block 3, the control circuit 6 is not shown in the figure, the working tables 1 positioned at four corners of the processing station are all provided with trigger switches 12, the four trigger switches 12 are all press switches and send starting signals to the control circuit 6 when being simultaneously extruded by the wood board, the control circuit 6 receives the starting signals and controls the four conductive springs 31 to be electrified, so that the conductive spring 31 contracts after being electrified to pull the limiting device to limit the four corners of the wood board, the control circuit 6 receives piezoelectric signals of the piezoelectric sheet 421, the electrifying strength of the conductive spring 31 is enhanced when the piezoelectric signals reach a first upper threshold value, the conductive spring 31 overcomes the elastic force of the restoring spring 322 to pull the piston rod 321 to enable part of the elastic bags 42 to stretch to the limiting grooves 111 through the bottom cavity 33, and controls the electrode wires to be electrified to enable the electro, when the piezoelectric signal reaches the second upper threshold, the power strength of the conductive spring 31 is continuously enhanced, so that part of the elastic bag 42 passes through the through groove 41 and wraps four corners of the wood board, and the electrode wires are also controlled to be powered on to enable the electrorheological fluid to generate liquid-solid phase change.
The principles of the present invention are now described as follows:
the initial state limiting device is positioned in the sliding groove 11 on the workbench 1 and far away from the processing station, the wood board to be processed can be pushed into the processing station along the space between two limiting devices on the surface of the workbench 1, at the moment, four trigger switches 12 on the workbench 1 positioned at four corners of the processing station are simultaneously extruded by the wood board, a starting signal is sent to the control circuit 6, the control circuit 6 receives the starting signal and controls four conductive springs 31 to be electrified, the conductive springs 31 are electrified and contracted, because one ends of the conductive springs 31 are clamped with the clamping buckles in the sliding groove 11 through the clamping blocks, and the other ends of the conductive springs are connected with the restoring springs 322 with higher elastic coefficients through the piston rods 321, so that the sealing cabin 32 fixedly connected with the conductive springs is pulled to move through the restoring springs 322, even if the sliding block 3 fixedly connected with the sealing cabin 32 moves until the sliding block 3 is close to the limit position of the processing station along the sliding groove 11, because one end of each of the four sliding grooves 11 is abutted against and parallel to the side edge in the clockwise direction in the four corners of the processing station, the rotating moment of the polishing disc on the wood board is exactly perpendicular to the sliding grooves 11, so that the wood board can be completely blocked by the limiting devices in sliding connection in the sliding grooves 11, and a primary limiting effect is formed on the wood board by matching the elastic tension of the conductive spring 31 on the sliding block 3;
when the polishing strength is improved, the extrusion force of the wood plate on the piezoelectric sheet 421 on the limiting block 4 is enhanced, the control circuit 6 receives the piezoelectric signal of the piezoelectric sheet 421, the energization strength of the conductive spring 31 is enhanced when the piezoelectric signal reaches a first upper limit threshold value, the conductive spring 31 pulls the piston rod 321 by overcoming the elastic force of the recovery spring 322, part of the elastic bags 42 in the mutually communicated sealing bin 32, the bottom cavity 33 and the through groove 41 are stretched into the limiting grooves 111 on two sides in the sliding groove 11 through the bottom cavity 33, and the electrode wires are controlled to be energized to enable the electrorheological fluid to generate liquid-solid phase change, at the moment, the electrorheological fluid in the elastic bags 42 is solidified, so that the sliding block 3 is fixed on the sliding groove 11, the stability of the limiting device is improved, and a further limiting effect is formed on the wood;
if the polishing strength continues to increase, the power-on strength of the conductive spring 31 continues to be enhanced when the piezoelectric signal reaches the second upper limit threshold value, so that part of the elastic bag 42 passes through the through groove 41 and wraps four corners of the wood board, the electrode wires are also controlled to be powered on to enable the electrorheological fluid to generate liquid-solid phase change, the wood board is further fixed, meanwhile, the elastic bag 42 can effectively wrap the wood board with irregular corners, and therefore an effective fixing effect is formed after the electrorheological fluid is cured.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A wood board polishing and positioning device comprises a workbench (1), wherein a rectangular processing station is arranged on the workbench (1), a wood board to be polished is placed on the processing station, a polishing device (2) is installed on the workbench (1) through a support, the output end of the polishing device (2) polishes the upper surface of the wood board through a polishing disc, the overlooking direction of the output end is clockwise rotation, the wood board polishing and positioning device is characterized in that four sliding grooves (11) are formed in the workbench (1), one ends of the four sliding grooves (11) are abutted against and parallel to the clockwise side edges in four corners of the processing station, limiting devices are connected in the sliding grooves (11) in a sliding mode and comprise sliding blocks (3), limiting blocks (4) and sealing plates (5), buckles are fixedly connected in one ends, close to the processing station, of the sliding grooves (11), and a plurality of limiting grooves (111) are formed in two sides, one side of the bottom of the sliding block (3) is connected with a conductive spring (31), one end, far away from the sliding block (3), of the conductive spring (31) is fixedly connected with a clamping block, the clamping block is movably clamped in a buckle, the top side of the sliding block (3) is fixedly connected with a limiting block (4), the limiting block (4) is right-angled, the inner side of the limiting block is attached to a wood board, the right angle is formed, a sealing plate (5) is fixedly connected to the top side of the limiting block (4), and the lower surface of the sealing plate (;
the bottom of the sliding block (3) is far away from one side of the conductive spring (31) and is fixedly connected with a sealed cabin (32), the sealed cabin (32) is internally and slidably connected with a piston rod (321), a recovery spring (322) is fixedly connected between one side of the piston rod (321) and the inner wall of the sealed cabin (32), one end of the recovery spring (322) is far away from one end of the recovery spring to penetrate through the sealed cabin (32) and the sliding block (3) and is fixedly connected with the conductive spring (31), a bottom cavity (33) is formed in the sliding block (3), a through groove (41) is formed in the limiting block (4), the through groove (41) is right-angled and is internally communicated with the outside, one side of the recovery spring (322) far away from the sealed cabin (32) is communicated with the bottom cavity (33), the top of the bottom cavity (33) is communicated with the through groove (41) and the two sides of the bottom cavity (33) are communicated with the limiting groove (111), the sealed cabin, the elastic bag (42) is filled with electrorheological fluid and fixedly connected with wire electrode, be located the inboard fixedly connected with piezoelectric patches (421) of plank clockwise side in stopper (4), the equal electrically connected with control circuit (6) of conductive spring (31), wire electrode and piezoelectric patches (421), place in sliding block (3) in control circuit (6).
2. The wood board grinding positioning device according to claim 1, wherein the working tables (1) at four corners of the processing station are respectively provided with a trigger switch (12), and the four trigger switches (12) are all push switches and send starting signals to the control circuit (6) when being simultaneously extruded by the wood boards.
3. The wood board grinding positioning device as claimed in claim 1, wherein the piston rod (321) comprises a piston and a connecting rod coaxially and fixedly connected with the piston, the piston is hermetically and slidably connected in the sealed bin (32) and fixedly connected between one side far away from the connecting rod and the inner wall of the sealed bin (32) with a restoring spring (322), and one end of the connecting rod far away from the piston penetrates through the sealed bin (32) and the sliding block (3) and is fixedly connected with one end of the conductive spring (31) far away from the clamping block.
4. The wood board grinding and positioning device as claimed in claim 1, wherein the elastic coefficient of the restoring spring (322) is greater than that of the conductive spring (31), a rubber plate is fixedly connected to the bottom of the sealing plate (5), and the lower surface of the rubber plate is in contact with the upper surface of the wood board.
5. The wood board grinding and positioning device according to claim 2, wherein the control circuit (6) receives a start signal and controls four conductive springs (31) to be electrified, so that the conductive springs (31) contract and pull the limiting device to limit the four corners of the wood board after being electrified, the control circuit (6) receives a piezoelectric signal of the piezoelectric sheet (421), the electrifying strength of the conductive springs (31) is enhanced when the piezoelectric signal reaches a first upper limit threshold, the conductive springs (31) overcome the elastic force of the recovery springs (322) to pull the piston rod (321) to enable part of the elastic bags (42) to stretch into the limiting groove (111) through the bottom cavity (33), and electrode wires are controlled to be electrified to enable electrorheological fluid to generate liquid-solid phase change; and when the piezoelectric signal reaches a second upper limit threshold value, the power-on strength of the conductive spring (31) is continuously enhanced, so that part of the elastic bag (42) passes through the through groove (41) and wraps four corners of the wood plate, and the electrode wires are also controlled to be powered on to enable the electrorheological fluid to generate liquid-solid phase change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011288519.6A CN112405169A (en) | 2020-11-17 | 2020-11-17 | Plank positioner that polishes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011288519.6A CN112405169A (en) | 2020-11-17 | 2020-11-17 | Plank positioner that polishes |
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| Publication Number | Publication Date |
|---|---|
| CN112405169A true CN112405169A (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011288519.6A Withdrawn CN112405169A (en) | 2020-11-17 | 2020-11-17 | Plank positioner that polishes |
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| CN (1) | CN112405169A (en) |
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Application publication date: 20210226 |