CN113021170B - Clamping device with internal structure for polishing cylindrical workpiece - Google Patents
Clamping device with internal structure for polishing cylindrical workpiece Download PDFInfo
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- CN113021170B CN113021170B CN202110234722.3A CN202110234722A CN113021170B CN 113021170 B CN113021170 B CN 113021170B CN 202110234722 A CN202110234722 A CN 202110234722A CN 113021170 B CN113021170 B CN 113021170B
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- workpiece
- polishing
- workbench
- magnetorheological fluid
- piezoelectric
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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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
- B24B31/112—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work using magnetically consolidated grinding powder, moved relatively to the workpiece under the influence of pressure
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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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
- B24B1/005—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes using a magnetic polishing agent
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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
- B24B27/00—Other grinding machines or devices
- B24B27/02—Bench grinders
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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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/12—Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a clamping device with an internal structure for polishing a cylindrical workpiece, which relates to the technical field of polishing devices and comprises a workbench, wherein a polishing mechanism is arranged on the upper surface of the workbench through a bracket, the output end of the polishing mechanism coaxially polishes the outer surface of the cylindrical workpiece to be polished, a fixed groove is formed in the workbench, a plurality of induction strips are fixedly connected to the upper surface of the workbench, and are radially arranged along the fixed groove, when the cylindrical workpiece with the internal structure is polished, the self gravity of the workpiece arranged on the workbench extrudes piezoelectric patches on the induction strips, and as the piezoelectric patches are equidistantly distributed on the induction strips and coaxially distributed relative to the output end of the polishing mechanism, a control circuit receives and determines whether the workpiece is at a processing position according to the positions of the piezoelectric patches of a plurality of peak piezoelectric signals, the grinding and polishing effect is prevented from being influenced by the fact that the workpiece and the polishing mechanism are not coaxial.
Description
Technical Field
The invention relates to the technical field of polishing devices, in particular to a clamping device with an internal structure for polishing a cylindrical workpiece.
Background
In the process of processing a workpiece, the workpiece needs to be polished to improve the smoothness of the surface and improve the performance and appearance of the workpiece. When a cylindrical workpiece is used as one of the workpieces, the cylindrical workpiece is usually fixedly clamped from the inside thereof when the outer surface of the workpiece is polished, so that the workpiece is prevented from being shifted during polishing to influence the polishing effect. However, when the cylindrical workpiece with the internal thread or other internal structures is clamped, the existing extrusion type and negative pressure adsorption type effects are poor, and even the effective fixing clamping effect cannot be formed, so that the polishing effect on the outer surface of the cylindrical workpiece with the internal structure is influenced.
Disclosure of Invention
The invention provides a clamping device with an internal structure for polishing a cylindrical workpiece, and aims to solve the problem that an effective fixing and clamping effect on the cylindrical workpiece with the internal structure cannot be realized by adopting extrusion type and negative pressure adsorption type fixing modes in the traditional technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
a clamping device with an internal structure for polishing a cylindrical workpiece comprises a workbench, wherein a polishing mechanism is mounted on the upper surface of the workbench through a support, the outer surface of the cylindrical workpiece to be polished is coaxially polished through the output end of the polishing mechanism, a fixing groove is formed in the workbench, a plurality of induction strips are fixedly connected to the upper surface of the workbench, the induction strips are radially arranged along the fixing groove, each induction strip comprises a rubber strip and a plurality of piezoelectric patches, and the piezoelectric patches are fixedly connected between the rubber strip and the upper surface of the workbench; the fixed groove is internally connected with a fixing mechanism, the fixing mechanism comprises an electromagnetic plate, a magnetorheological fluid bag, a piston disc and a control cylinder, the electromagnetic plate is fixedly connected in the workbench between the top of the fixed groove and the upper surface of the workbench, the electromagnetic plate is coaxially provided with a through hole, two ends of the through hole respectively penetrate through the workbench to be communicated with the fixed groove and the outside, wherein the electromagnetic plate is coaxial with the fixed groove, a magnetorheological fluid sac is fixedly connected in the through hole, magnetorheological fluid is contained in the magnetorheological fluid sac, the bottom of the magnetorheological fluid sac is filled in the fixed groove and is abutted against the piston disc, the piston disc is connected in the fixed groove in a sliding way along the vertical direction, the bottom in the fixed groove is provided with a control cylinder, the piston disc is coaxially and fixedly connected to the output end of the control cylinder, a control circuit is installed in the workbench, and the control circuit is electrically connected with the plurality of piezoelectric patches, the electromagnetic plate and the control cylinder.
Preferably, a plurality of the piezoelectric patches are equidistantly distributed on the rubber strip and coaxially distributed about the fixing groove, and the piezoelectric patches receive the pressure of the gravity of the cylindrical workpiece to be polished on the rubber strip and generate a piezoelectric signal.
Preferably, the control circuit receives the piezoelectric signals of the piezoelectric sheets respectively, and if the positions of the piezoelectric sheets of the peak piezoelectric signals are not on the concentric circles of the fixed grooves, the control circuit reminds a worker of the workpiece position deflection, obtains the workpiece radius through the position distance of the piezoelectric sheets on the induction strip when the workpiece position is correct, obtains the workpiece quality through the peak piezoelectric signal strength, and compares the workpiece with the database to judge the specification of the workpiece to determine the internal volume of the workpiece.
Preferably, the control circuit controls the extending process of the output end of the control cylinder according to the internal volume of the workpiece, and controls the electromagnetic plate to be electrified to generate a magnetic field, wherein the magnetorheological fluid in the magnetorheological fluid bag generates liquid-solid phase change under the action of the magnetic field generated by the electromagnetic plate.
Preferably, a plurality of ferromagnetic sheets are embedded in the wall of the magnetorheological fluid bag, and the plurality of ferromagnetic sheets are magnetized under the action of a magnetic field generated by an electromagnetic plate and are magnetically attracted by the electromagnetic plate.
Preferably, the coaxial fixedly connected with telescopic link of piston dish upper surface, the telescopic link adopts the electric telescopic handle among the prior art, and wherein telescopic link and control circuit electric connection to carrying out the clearance of polishing in succession to the same kind of work piece, the telescopic link is controlled by control circuit and is extended and resume.
Compared with the prior art, the invention has the following beneficial effects:
1. when a cylindrical workpiece with an internal structure is polished, the piezoelectric pieces on the plurality of induction strips are extruded by the self gravity of the workpiece placed on the workbench, the piezoelectric pieces are equidistantly distributed on the induction strips and are coaxially distributed relative to the output end of the polishing mechanism, the control circuit receives and determines whether the workpiece is at a processing position or not according to the positions of the piezoelectric pieces of the plurality of peak piezoelectric signals, and when the workpiece deviates from the processing position, the control circuit reminds a worker of the workpiece position to deviate, so that the polishing effect is prevented from being influenced by the fact that the workpiece and the polishing mechanism are not coaxial.
2. When the workpiece is positioned correctly, the control circuit compares the workpiece radius obtained by the position distance of the piezoelectric plates and the workpiece quality obtained by the signal strength to judge the specification of the workpiece by comparing the database to determine the internal volume of the workpiece, controls the output end of the cylinder to move upwards along the fixed groove according to the volume so as to push the magnetorheological fluid bag with the corresponding volume to deform, penetrate through the through hole and be attached to the inside of the cylindrical workpiece, controls the electromagnetic plate to be electrified to generate a magnetic field, generates liquid-solid phase change under the action of the magnetic field generated by the electromagnetic plate by the magnetorheological fluid in the magnetorheological fluid bag, and finally realizes the fixed clamping effect on the cylindrical workpiece by matching the solidified magnetorheological fluid with the internal structure of the cylindrical workpiece, thereby improving the stability of the workpiece in polishing.
3. According to the invention, the magnetic field formed by the electromagnetic plate simultaneously forms magnetic attraction on the plurality of ferromagnetic sheets embedded in the bag wall of the magnetorheological fluid bag, so that downward tension is formed on the cylindrical workpiece, the clamping effect of the magnetorheological fluid bag on the cylindrical workpiece is further improved, and finally, the fixed clamping effect during polishing of the cylindrical workpieces of different specifications is realized through the deformable and curable magnetorheological fluid bag.
4. When workpieces of the same kind are processed and replaced, the control circuit controls the telescopic rod in the magnetorheological fluid bag to extend and jack up the magnetorheological fluid bag, so that the magnetorheological fluid bag extends axially and contracts radially, the workpieces are sleeved in the magnetorheological fluid bag, and then the telescopic rod is controlled to retract to enable the magnetorheological fluid bag with the corresponding volume to be attached to the inside of the workpieces again, so that the internal volume of the workpieces does not need to be determined repeatedly, and the polishing efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the working state of the present invention;
FIG. 3 is a schematic top view of an inductive strip of the present invention;
fig. 4 is a schematic view of the working state of the electric telescopic rod of the present invention.
In the figure: 1 workbench, 11 fixing grooves, 12 induction strips, 121 piezoelectric sheets, 2 polishing mechanisms, 3 fixing mechanisms, 31 electromagnetic plates, 311 through holes, 32 magnetorheological fluid bags, 33 piston discs and 34 control cylinders.
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. 1-4, a clamping device with an internal structure for polishing a cylindrical workpiece comprises a workbench 1, wherein a polishing mechanism 2 is arranged on the upper surface of the workbench 1 through a support, and the polishing mechanism 2 adopts the prior art and the output end of the polishing mechanism to coaxially polish the outer surface of the cylindrical workpiece to be polished.
Fixed slot 11 has been seted up in workstation 1, a plurality of response strips 12 of fixed surface fixedly connected with on workstation 1, a plurality of response strips 12 radially set up along fixed slot 11, response strip 12 includes rubber strip and a plurality of piezoelectric patches 121, wherein a plurality of piezoelectric patches 121 of fixedly connected with between rubber strip and the workstation 1 upper surface, a plurality of piezoelectric patches 121 equidistance distribute on the rubber strip, and about 11 coaxial distributions of fixed slot, piezoelectric patches 121 receive and treat the pressure and the piezoelectric signal of polishing tube-shape work piece gravity to the rubber strip, thereby the position and the gravity of the work piece that are located it are induced.
Through-hole 311 has been seted up coaxially to electromagnetic plate 31, and workstation 1 intercommunication fixed slot 11 and external world are run through respectively at through-hole 311 both ends, and wherein electromagnetic plate 31 and the coaxial setting of fixed slot 11, fixedly connected with magnetic current becomes liquid bag 32 in the through-hole 311 for magnetic current becomes liquid bag 32 and can be through-hole 311 deformation in external promptly tube-shape work piece and fixed slot 11.
Magnetorheological fluid is contained in the magnetorheological fluid bag 32, the bottom of the magnetorheological fluid bag is filled in the fixing groove 11 and abuts against the piston disc 33, the piston disc 33 is connected in the fixing groove 11 in a sliding mode in the vertical direction, the control cylinder 34 is installed at the bottom in the fixing groove 11, the piston disc 33 is fixedly connected to the output end of the control cylinder 34 in a coaxial mode, and the magnetorheological fluid bag 32 deforms into the cylindrical workpiece through the through hole 311 when the output end of the control cylinder 34 extends and pushes the piston disc 33.
The workbench 1 is internally provided with a control circuit, which is not shown in the figure, the control circuit is electrically connected with the plurality of piezoelectric patches 121, the electromagnetic plate 31 and the control cylinder 34, the control circuit respectively receives the piezoelectric signals of the plurality of piezoelectric patches 121, if the positions of the piezoelectric patches 121 of the plurality of peak piezoelectric signals are not on the concentric circle of the fixing groove 11, the work position deviation is reminded for a worker, when the position of the work is correct, the radius of the work piece is obtained through the position distance of the piezoelectric patches 121 on the induction strip 12, the quality of the work piece is obtained through the strength of the peak piezoelectric signals, and the specification of the work piece is judged through comparison with a database to determine the internal volume of the work piece.
The control circuit correspondingly controls the extending process of the output end of the control cylinder 34 according to the internal volume of the workpiece, so that the magnetorheological fluid bag 32 is deformed and attached inside the cylindrical workpiece, the electromagnetic plate 31 is controlled to be electrified to generate a magnetic field, the magnetorheological fluid in the magnetorheological fluid bag 32 generates liquid-solid phase change under the action of the magnetic field generated by the electromagnetic plate 31, and accordingly, the fixed clamping effect is formed on the cylindrical workpiece by the solidified magnetorheological fluid in cooperation with the internal structure of the cylindrical workpiece, and the stability of the magnetorheological fluid in polishing is improved.
The wall of the magnetorheological fluid bag 32 is embedded with a plurality of ferromagnetic sheets, the plurality of ferromagnetic sheets are magnetized under the action of a magnetic field generated by the electromagnetic plate 31 and are magnetically attracted by the electromagnetic plate 31, a downward pulling force is formed on the cylindrical workpiece, and the clamping effect of the magnetorheological fluid bag 32 on the cylindrical workpiece is further improved.
The upper surface of the piston disc 33 is coaxially and fixedly connected with a telescopic rod, the telescopic rod is an electric telescopic rod in the prior art, the telescopic rod is electrically connected with a control circuit and is used for continuously polishing the same type of workpieces, the telescopic rod is controlled by the control circuit to extend and recover, so that when the same type of workpieces are machined, the magnetorheological fluid bag 32 is directly pushed out through the telescopic rod to axially extend and radially contract to be beneficial to sleeving the workpieces into the telescopic rod, and the magnetorheological fluid bag 32 is attached to the inside of the workpieces when the telescopic rod is recovered, so that the internal volume of the workpieces does not need to be repeatedly determined.
The principles of the present invention are now described as follows:
the method comprises the steps that a cylindrical workpiece with an internal structure and a fixing groove 11 are coaxially placed on a workbench 1, at the moment, the gravity of the workpiece extrudes a plurality of sensing strips 12 which are arranged on the workbench 1 along the radial direction of the fixing groove 11, a plurality of piezoelectric patches 121 are distributed on the sensing strips 12 at equal intervals and are coaxially distributed relative to the fixing groove 11, a control circuit respectively receives piezoelectric signals of the piezoelectric patches 121, and if the positions of the piezoelectric patches 121 of a plurality of peak piezoelectric signals are not on a concentric circle of the fixing groove 11, workers are reminded of the position deflection of the workpiece, so that the grinding and polishing effects are prevented from being influenced by the fact that the workpiece and a polishing mechanism 2 are not coaxial;
when the position of the workpiece is correct, the control circuit obtains the radius of the workpiece through the position distance of the piezoelectric patches 121 on the induction strip 12, obtains the quality of the workpiece through the peak piezoelectric signal intensity, compares the obtained quality with the database to judge the specification of the workpiece and determine the internal volume of the workpiece, at the moment, the control circuit correspondingly controls the extending process of the output end of the control cylinder 34 according to the internal volume of the workpiece, controls the piston disc 33 fixedly connected with the output end of the control cylinder 34 to move upwards along the fixed groove 11, pushes the magnetorheological fluid bag 32 with the corresponding volume on the piston disc to deform, penetrates through the through hole 311 and is attached to the inside of the cylindrical workpiece, then controls the electromagnetic plate 31 to be electrified to generate a magnetic field, and the magnetorheological fluid in the magnetorheological fluid bag 32 generates liquid-solid phase change under the action of the magnetic field generated by the electromagnetic plate 31, therefore, the solidified magnetorheological fluid is matched with the internal structure of the cylindrical workpiece to form a fixed clamping effect on the cylindrical workpiece, and the stability of the workpiece in polishing processing is improved;
the electromagnetic plate 31 forms a magnetic field and simultaneously forms magnetic attraction on a plurality of ferromagnetic sheets embedded in the bag wall of the magnetorheological fluid bag 32, so that a downward pulling force is formed on the cylindrical workpiece, the clamping effect of the magnetorheological fluid bag 32 on the cylindrical workpiece is further improved, and finally, the fixed clamping effect is realized when the cylindrical workpieces of different specifications are polished through the deformable and solidified magnetorheological fluid bag 32;
when the same workpiece is machined and the workpiece is replaced, the control circuit controls the extension rod in the magnetorheological fluid bag 32 to extend, so that the magnetorheological fluid bag 32 axially extends and radially contracts, the workpiece is sleeved in the extension rod, the extension rod is controlled to retract, the magnetorheological fluid bag 32 with the corresponding volume is attached to the inside of the workpiece again, the internal volume of the workpiece does not need to be determined repeatedly, and the polishing efficiency is improved.
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 (6)
1. The clamping device with the internal structure for polishing the cylindrical workpiece comprises a workbench (1), wherein a polishing mechanism (2) is installed on the upper surface of the workbench (1) through a support, and the outer surface of the cylindrical workpiece to be polished is coaxially polished at the output end of the polishing mechanism (2), and is characterized in that a fixing groove (11) is formed in the workbench (1), a plurality of induction strips (12) are fixedly connected to the upper surface of the workbench (1), the induction strips (12) are radially arranged along the fixing groove (11), each induction strip (12) comprises a rubber strip and a plurality of piezoelectric patches (121), and a plurality of piezoelectric patches (121) are fixedly connected between the rubber strip and the upper surface of the workbench (1); the magnetorheological fluid fixing device is characterized in that a fixing mechanism (3) is connected in the fixing groove (11), the fixing mechanism (3) comprises an electromagnetic plate (31), a magnetorheological fluid bag (32), a piston disc (33) and a control cylinder (34), the electromagnetic plate (31) is fixedly connected in the workbench (1) between the top of the fixing groove (11) and the upper surface of the workbench (1), a through hole (311) is coaxially formed in the electromagnetic plate (31), two ends of the through hole (311) penetrate through the workbench (1) to be communicated with the fixing groove (11) and the outside respectively, the electromagnetic plate (31) and the fixing groove (11) are coaxially arranged, the magnetorheological fluid bag (32) is fixedly connected in the through hole (311), magnetorheological fluid is filled in the magnetorheological fluid bag (32), the bottom of the magnetorheological fluid bag is filled in the fixing groove (11) and abuts against the piston disc (33), and the piston disc (33) is slidably connected in the fixing groove (11) along the vertical direction, control cylinder (34) are installed to the bottom in fixed slot (11), piston disc (33) coaxial fixed connection is on control cylinder (34) output, install control circuit in workstation (1), control circuit and a plurality of piezoelectric patches (121), electromagnetic plate (31) and control cylinder (34) electric connection.
2. The clamping device with the internal structure for polishing the cylindrical workpiece is characterized in that a plurality of piezoelectric patches (121) are distributed on the rubber strip at equal intervals and are coaxially distributed about the fixing groove (11), and the piezoelectric patches (121) receive the pressure of the gravity of the cylindrical workpiece to be polished on the rubber strip and generate piezoelectric signals.
3. The clamping device for polishing the cylindrical workpiece with an internal structure as claimed in claim 2, wherein the control circuit receives the piezoelectric signals of a plurality of piezoelectric sheets (121) respectively, if the positions of the piezoelectric sheets (121) of a plurality of peak piezoelectric signals are not on the concentric circle of the fixed groove (11), the control circuit reminds a worker of the position deviation of the workpiece, obtains the radius of the workpiece through the position distance of the piezoelectric sheets (121) on the sensing strip (12) when the position of the workpiece is correct, and obtains the quality of the workpiece through the strength of the peak piezoelectric signals so as to compare the database to judge the specification of the workpiece and determine the internal volume.
4. The clamping device for polishing cylindrical workpiece with internal structure as claimed in claim 3, wherein said control circuit controls the process of extending the output end of the control cylinder (34) and controls the electromagnetic plate (31) to be energized to generate magnetic field according to the internal volume of the workpiece, wherein the magnetorheological fluid in the magnetorheological fluid bag (32) is subjected to liquid-solid phase change under the action of the magnetic field generated by the electromagnetic plate (31).
5. The internal-structure clamping device for polishing cylindrical workpieces as recited in claim 1, wherein a plurality of ferromagnetic pieces are embedded in the wall of said magnetorheological fluid bag (32), and are magnetized under the action of the magnetic field generated by said electromagnetic plate (31) and are magnetically attracted by said electromagnetic plate (31).
6. The clamping device for barrel-shaped workpiece polishing with internal structure as claimed in claim 5, characterized in that the upper surface of the piston disc (33) is coaxially and fixedly connected with a telescopic rod, wherein the telescopic rod is electrically connected with the control circuit, and the telescopic rod is controlled by the control circuit to extend and recover when the same workpiece is subjected to continuous polishing clearance.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110234722.3A CN113021170B (en) | 2021-03-03 | 2021-03-03 | Clamping device with internal structure for polishing cylindrical workpiece |
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| CN202110234722.3A CN113021170B (en) | 2021-03-03 | 2021-03-03 | Clamping device with internal structure for polishing cylindrical workpiece |
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| CN113021170A CN113021170A (en) | 2021-06-25 |
| CN113021170B true CN113021170B (en) | 2022-09-02 |
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| CN113510541B (en) * | 2021-09-13 | 2021-11-30 | 南通清风通用机械有限公司 | Metal material surface flatness processingequipment |
| CN115302366B (en) * | 2022-10-11 | 2023-03-31 | 江苏铨旺建材科技有限公司 | Special polishing equipment for building materials |
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| CN106826407A (en) * | 2017-01-18 | 2017-06-13 | 深圳中科康森瑞特科技发展有限公司 | A kind of metal capillary inner surface magnetic grinding polishing method and device |
| CN111558852B (en) * | 2020-04-19 | 2021-09-24 | 湖州中锐洁净科技有限公司 | Reciprocating type polishing device and method for stainless steel pipe machining |
| CN111730451A (en) * | 2020-07-07 | 2020-10-02 | 杨洲 | Two-sided burring device of plank dead slot |
| CN112388436A (en) * | 2020-11-17 | 2021-02-23 | 德清县海杰包装有限公司 | Fixing device polishes with special-shaped edge plank |
| CN112388459A (en) * | 2020-11-17 | 2021-02-23 | 湖州数越智能科技有限公司 | Carved wood board polishing limiting device |
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Effective date of registration: 20220809 Address after: Panwei Village, Pingtan Town, Huiyang District, Huizhou City, Guangdong Province, 518000 Applicant after: Huizhou Jinsheng Industrial Co., Ltd. Address before: Hangzhou Faner Technology Co., Ltd., 2 / F, building 19, No. 489, Hongtai 6th Road, hongken farm, Xiaoshan Economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province 310000 Applicant before: Zhang Linping |
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