CN111215979A - Device for polishing inner wall and outer wall of circular tube - Google Patents

Device for polishing inner wall and outer wall of circular tube Download PDF

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Publication number
CN111215979A
CN111215979A CN202010182060.5A CN202010182060A CN111215979A CN 111215979 A CN111215979 A CN 111215979A CN 202010182060 A CN202010182060 A CN 202010182060A CN 111215979 A CN111215979 A CN 111215979A
Authority
CN
China
Prior art keywords
cavity
sliding
wall
polishing
block
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.)
Withdrawn
Application number
CN202010182060.5A
Other languages
Chinese (zh)
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Jijun Machinery Technology Co Ltd
Original Assignee
Guangzhou Jijun Machinery Technology 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 Guangzhou Jijun Machinery Technology Co Ltd filed Critical Guangzhou Jijun Machinery Technology Co Ltd
Priority to CN202010182060.5A priority Critical patent/CN111215979A/en
Publication of CN111215979A publication Critical patent/CN111215979A/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36—Single-purpose 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
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/02—Frames; Beds; Carriages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/04—Headstocks; Working-spindles; Features relating thereto
    • 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
    • B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power

Abstract

The invention relates to the field of metal polishing, in particular to a device for polishing inner and outer walls of a circular tube, which comprises a machine body and an operation cavity arranged in the end wall of the right side of the machine body, wherein a sliding frame is arranged in the operation cavity in a vertically sliding manner, a polishing cavity which is communicated up and down is arranged in the sliding frame, first sliding grooves with opposite openings are symmetrically arranged in the end walls of the left side and the right side of the polishing cavity, and magnetic rods are slidably arranged in the first sliding grooves.

Description

Device for polishing inner wall and outer wall of circular tube
Technical Field
The invention relates to the field of metal polishing, in particular to a device for polishing the inner wall and the outer wall of a circular tube.
Background
In traditional metal field of polishing, when people polish to the pipe, efficiency is not high, especially when polishing to the pipe inner wall, and conventional equipment is not very suitable, and the effect of polishing in addition is also general, and conventional equipment degree of automation of polishing is not high, can not adapt to mass production requirement, consequently is necessary to set up a device that is used for the pipe inner and outer wall to polish and improves above-mentioned problem.
Disclosure of Invention
The invention aims to provide a device for polishing the inner wall and the outer wall of a circular tube, which can overcome the defects in the prior art, thereby improving the practicability of equipment.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a device for polishing the inner wall and the outer wall of a circular tube, which comprises a machine body and an operation cavity arranged in the right side end wall of the machine body, wherein a sliding frame is arranged in the operation cavity in a vertically sliding manner, a polishing cavity which is communicated up and down is arranged in the sliding frame, first sliding grooves with opposite openings are symmetrically arranged in the left side end wall and the right side end wall of the polishing cavity, a magnetic rod is arranged in the first sliding groove in a sliding manner, the tail end of the magnetic rod extends into the polishing cavity, a first polishing block is fixedly arranged at the tail end of the magnetic rod, an electromagnet capable of pushing the first polishing block to move is fixedly arranged in the end wall of one side of the first sliding groove, which is far away from the polishing cavity, a sliding block capable of moving up and down synchronously with the sliding frame is arranged in the polishing cavity, an upper second sliding groove with an opening towards the left, a spring is arranged between the right side end wall of the first rack and the second sliding groove, a third sliding groove with a rightward split pin is arranged in the right side end wall of the sliding block, a second rack is arranged on the third sliding groove in a sliding manner, a gear cavity is communicated between the second sliding groove and the third sliding groove, a first gear meshed with the first rack and the second rack is rotatably arranged in the gear cavity, the first rack and the second rack are respectively and fixedly connected with second polishing blocks symmetrically arranged on the left side and the right side of the sliding block, opposite sides of the second polishing blocks and the first polishing blocks are provided with opposite magnetic poles, a lifting device capable of driving the sliding block and the sliding block to synchronously move up and down is arranged in the end wall of the operation cavity, a rotation cavity is arranged in the bottom wall of the operation cavity, and a rotation block is rotatably arranged between the upper end wall and the lower end wall of the rotation cavity, the lifting device drives the sliding frame and the sliding block can synchronously drive the rotating block to rotate when moving up and down, a fixing device for fixing the pipe is arranged in the rotating block, and the pipe can be vertically fixed on the top wall of the rotating block by the fixing device.
Further, the lifting device comprises a guide chute with a right opening, which is arranged in the end wall of the left side of the operation cavity, the left side of the sliding frame extends into the guide chute, a threaded hole which is communicated up and down is arranged in the sliding frame, a threaded rod is connected with the threaded hole in an internal thread manner, the bottom of the threaded rod extends into the rotation cavity, the tail end of the bottom of the threaded rod is in power connection with a first motor fixedly arranged in the bottom wall of the rotation cavity, a second gear which is meshed with an outer gear ring fixedly arranged on the outer surface of the rotation block is fixedly arranged on the outer surface of the threaded rod in the rotation cavity, the top of the threaded rod extends into a transmission cavity arranged in the top wall of the machine body, a first bevel gear is fixedly arranged at the tail end of the threaded rod, a fourth sliding groove which is communicated up and, the end wall of the left side of the fourth sliding groove is internally provided with a meshing cavity communicated with the fourth sliding groove, a first rotating shaft is rotatably arranged in the meshing cavity, the outer surface of the first rotating shaft is fixedly provided with a first worm wheel and a third gear which is positioned on the front side and the rear side of the first worm wheel and meshed with the third rack, the meshing cavity is rotatably arranged between the transmission cavity and a first worm which is meshed with the first worm wheel, and the tail end of the first worm in the transmission cavity is fixedly provided with a second bevel gear which is meshed with the first bevel gear.
Furthermore, the fixing device comprises a fixed cavity with an upward opening, which is arranged in the top wall of the rotating block, a swing cavity which is bilaterally symmetrical and is symmetrical back and forth is arranged in the bottom wall of the fixed cavity, two clamping rods which are symmetrical to each other are fixedly arranged on the surface of a second rotating shaft which is rotatably arranged in the swing cavity, a second worm wheel which is fixedly connected with the second rotating shaft is fixedly arranged between the two clamping rods, a cavity is arranged between the four swing cavities, a second worm which is meshed with the second worm wheel is rotatably arranged between the swing cavity and the cavity, a third bevel gear is fixedly arranged at the tail end of the second worm in the cavity, a second motor is fixedly arranged in the top wall of the cavity, and a fourth bevel gear which can be meshed with the third bevel gear is fixedly arranged at the tail end of an output shaft of the second motor.
The invention has the beneficial effects that: the device for polishing the inner wall and the outer wall of the circular pipe, provided by the invention, can realize simultaneous polishing of the inner wall and the outer wall of the pipe, the efficiency is higher, meanwhile, the automatic clamping device arranged in the internal equipment can conveniently realize clamping of the pipe, the equipment is simple to operate, the automation degree is high, and the device is worthy of popularization.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of the whole device for polishing the inner wall and the outer wall of a circular tube, which is disclosed by the invention.
Fig. 2 is an enlarged schematic view of a in fig. 1.
Fig. 3 is an enlarged schematic view of B in fig. 1.
Fig. 4 is a schematic view of the structure of C-C in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The device for polishing the inner wall and the outer wall of the circular tube, which is described with reference to fig. 1-4, comprises a machine body 10 and an operation cavity 17 arranged in the right end wall of the machine body 10, a sliding frame 19 is arranged in the operation cavity 17 and can slide up and down, a polishing cavity 27 which is through up and down is arranged in the sliding frame 19, first sliding grooves 23 with opposite openings are symmetrically arranged in the left end wall and the right end wall of the polishing cavity 27, a magnetic rod 24 is slidably arranged in the first sliding groove 23, the tail end of the magnetic rod 24 extends into the polishing cavity 27, a first polishing block 26 is fixedly arranged at the tail end of the magnetic rod 24, an electromagnet 25 capable of pushing the first polishing block 26 to move is fixedly arranged in the end wall of one side of the first sliding groove 23, which is far away from the polishing cavity 27, a sliding block 40 which can move up and down synchronously with the sliding frame 19 is arranged in the polishing cavity 27, an upper and a lower two second sliding grooves, a first rack 34 is slidably arranged in the second sliding groove 35, a spring 36 is arranged between the right side end wall of the first rack 34 and the second sliding groove 35, a third sliding groove 39 with a rightward split pin is arranged in the right side end wall of the sliding block 40, a second rack 38 is slidably arranged in the third sliding groove 39, a gear cavity 31 is communicated between the second sliding groove 35 and the third sliding groove 39, a first gear 32 meshed with the first rack 34 and the second rack 38 is rotatably arranged in the gear cavity 31, the first rack 34 and the second rack 38 are respectively and fixedly connected with second polishing blocks 37 symmetrically arranged at the left side and the right side of the sliding block 40, opposite magnetic poles are arranged at the opposite sides of the second polishing blocks 37 and the first polishing blocks 26, and a lifting device 99 capable of driving the sliding frame 19 and the sliding block 40 to move up and down is arranged in the end wall of the operation cavity 17, a rotating cavity 13 is arranged in the bottom wall of the operating cavity 17, a rotating block 30 is rotatably arranged between the upper end wall and the lower end wall of the rotating cavity 13, the lifting device 99 drives the sliding frame 19 and the sliding block 40 to synchronously drive the rotating block 30 to rotate when moving up and down, a fixing device 98 for fixing a pipe is arranged in the rotating block 30, and the pipe can be vertically fixed on the top wall of the rotating block 30 by the fixing device 98.
Advantageously, the lifting device 99 comprises a guide chute 15 which is provided in the left end wall of the operation cavity 17 and opens to the right, the left side of the sliding frame 19 extends into the guide chute 15, a threaded hole 18 which is through up and down is provided in the sliding frame 19, a threaded rod 16 is connected with the threaded hole 18 in a threaded manner, the bottom of the threaded rod 16 extends into the rotation cavity 13, the bottom end of the threaded rod is in power connection with a first motor 12 which is fixedly provided in the bottom wall of the rotation cavity 13, a second gear 14 which is meshed with an outer gear ring 11 which is fixedly provided on the outer surface of the rotation block 30 is fixedly provided on the outer surface of the threaded rod 16 in the rotation cavity 13, the top of the threaded rod 16 extends into a transmission cavity 22 which is provided in the top wall of the machine body 10, a first bevel gear 20 is fixedly provided at the end, a fourth sliding groove 55 which is through up and down is provided in the top wall of the operation cavity 17, a meshing cavity 54 communicated with the fourth sliding groove 55 is formed in the left side end wall of the fourth sliding groove 55, a first rotating shaft 57 is rotatably arranged in the meshing cavity 54, a first worm wheel 53 and third gears 51 which are located on the front side and the rear side of the first worm wheel 53 and meshed with the third rack 56 are fixedly arranged on the outer surface of the first rotating shaft 57, a first worm 52 meshed with the first worm wheel 53 is rotatably arranged between the meshing cavity 54 and the transmission cavity 22, and a second bevel gear 21 meshed with the first bevel gear 20 is fixedly arranged at the tail end of the first worm 52 in the transmission cavity 22.
Advantageously, the fixing means 98 comprise a fixing cavity 28 provided in the top wall of the rotating block 30 and opening upwards, the inner opening of the bottom wall of the fixed cavity 28 is provided with swing cavities 47 which are symmetrical left and right and symmetrical front and back, a second rotating shaft 49 rotatably arranged in the swinging cavity 47 is fixedly provided with two clamping rods 29 which are symmetrical to each other on the surface, a second worm gear 50 fixedly connected with the second rotating shaft 49 is fixedly arranged between the two clamping rods 29, a cavity 45 is arranged between the four swing cavities 47, a second worm 46 meshed with the second worm wheel 50 is rotatably arranged between the swinging cavity 47 and the cavity 45, the end of the second worm 46 in the cavity 45 is fixedly provided with a third bevel gear 44, a second motor 42 is fixedly arranged in the top wall of the cavity 45, and a fourth bevel gear 43 capable of being meshed with the third bevel gear 44 is fixedly arranged at the tail end of an output shaft of the second motor 42.
The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.
Sequence of mechanical actions of the whole device:
when the device of the present invention is in operation, the bottom of a circular tube is inserted between the holding rods 29 in the fixed cavity 28, the second motor 42 is started to drive the fourth bevel gear 43 to rotate, thereby driving the third bevel gear 44 to rotate, thereby driving the second worm 46 to rotate, thereby driving the second worm gear 50 to rotate, thereby driving the second rotating shaft 49 to rotate, thereby driving the second worm gear 50 to rotate to hold a tubular product, at this time, the first motor 12 is started to rotate to drive the threaded rod 16 to rotate, thereby driving the second gear 14 to rotate, thereby driving the outer gear 11 to rotate, thereby driving the rotating block 30 to rotate, thereby driving the circular tube to rotate, the second gear 14 rotates to drive the sliding frame 19 to move downwards, and simultaneously, the threaded rod 16 rotates to drive the first bevel gear 20 to rotate, thereby driving the second bevel gear 21 to rotate, thereby driving the first worm wheel 53 to rotate, the first worm wheel 53 drives the third gear 51 to rotate, thereby driving the third rack 56 to move downwards, the third rack 56 moves downwards to drive the sliding block 40 and the sliding frame 19 to move downwards synchronously, when the sliding block 40 extends into the inner hole of the pipe, the electromagnet 25 pushes the first polishing block 26 to move towards the pipe wall and be attached to the pipe wall, and simultaneously the second polishing block 37 is attached to the inner wall of the pipe under the attraction of the first polishing block 26, at this time, due to the high-speed rotation of the pipe, the polishing of the inner wall of the pipe by the second polishing block 37 and the first polishing block 26 is realized, when the sliding frame 19 moves downwards to the lowest side, the first motor 12 is started to rotate reversely to drive the threaded rod 16 to rotate reversely, thereby driving the second gear 14 to rotate reversely, thereby driving the outer gear ring 11 to rotate reversely, thereby driving the rotating block 30 to rotate reversely, thereby driving the circular tube to rotate reversely, driving the sliding frame 19 to move upwards by rotating reversely the second gear 14, driving the first bevel gear 20 to rotate reversely by rotating reversely the threaded rod 16, thereby driving the second bevel gear 21 to rotate reversely, thereby driving the first worm gear 53 to rotate reversely, driving the third gear 51 to rotate reversely by rotating reversely the first worm gear 53, thereby driving the third rack 56 to move upwards, driving the sliding block 40 to move upwards synchronously with the sliding frame 19 by moving upwards the third rack 56, thereby polishing the inner and outer walls of the pipe once, and after repeating for many times, polishing the inner and outer walls of the pipe can be realized. At this time, the second motor 42 can be started to drive the fourth bevel gear 43 to rotate reversely, so as to drive the clamping rod 29 to rotate reversely and far away from the round pipe, and at this time, the round pipe can be removed, and the polishing is completed.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (3)

1. The utility model provides a device that is used for pipe inner and outer wall to polish, includes the fuselage and set up in operation chamber in the fuselage right side end wall, its characterized in that: a sliding frame is arranged in the operation cavity and can slide up and down, a polishing cavity which is communicated up and down is arranged in the sliding frame, first sliding grooves with opposite openings are symmetrically arranged in the end walls of the left side and the right side of the polishing cavity, a magnetic rod is slidably arranged in the first sliding groove, the tail end of the magnetic rod extends into the polishing cavity, a first polishing block is fixedly arranged at the tail end of the magnetic rod, an electromagnet capable of pushing the first polishing block to move is fixedly arranged in the end wall of one side of the first sliding groove, which is far away from the polishing cavity, a sliding block capable of moving up and down synchronously with the sliding frame is arranged in the polishing cavity, an upper sliding groove and a lower sliding groove with a left opening are arranged in the end wall of the left side of the sliding block, a first rack is slidably arranged in the second sliding groove, a spring is arranged between the first rack and the end wall of the right side of the second sliding, the third sliding groove is provided with a second rack in a sliding way, a gear cavity is communicated and arranged between the second sliding groove and the third sliding groove, a first gear meshed with the first rack and the second rack is rotatably arranged in the gear cavity, the first rack and the second rack are respectively and fixedly connected with second grinding blocks symmetrically arranged on the left side and the right side of the sliding block, opposite sides of the second grinding blocks and the first grinding block are provided with opposite magnetic poles, the end wall of the operation cavity is provided with a lifting device capable of driving the sliding frame and the sliding block to synchronously move up and down, a rotating cavity is arranged in the bottom wall of the operation cavity, a rotating block is rotatably arranged between the upper end wall and the lower end wall of the rotating cavity, and the sliding block can synchronously drive the rotating block to rotate when the sliding frame and the sliding block move up and down, the rotating block is internally provided with a fixing device for fixing the pipe, and the fixing device can vertically fix the pipe on the top wall of the rotating block.
2. A device for grinding the inner and outer walls of a circular tube as defined in claim 1, wherein: the lifting device comprises a guide chute with a right opening, which is arranged in the end wall of the left side of the operation cavity, the left side of the sliding frame extends into the guide chute, a threaded hole which is communicated up and down is arranged in the sliding frame, a threaded rod is connected with the thread hole in an internal thread manner, the bottom of the threaded rod extends into the rotating cavity, the tail end of the threaded rod is in power connection with a first motor fixedly arranged in the bottom wall of the rotating cavity, a second gear which is meshed with an outer gear ring fixedly arranged on the outer surface of the rotating block is fixedly arranged on the outer surface of the threaded rod in the rotating cavity, the top of the threaded rod extends into a transmission cavity arranged in the top wall of the machine body, a first bevel gear is fixedly arranged at the tail end of the threaded rod, a fourth sliding groove which is communicated up and down, the end wall of the left side of the fourth sliding groove is internally provided with a meshing cavity communicated with the fourth sliding groove, a first rotating shaft is rotatably arranged in the meshing cavity, the outer surface of the first rotating shaft is fixedly provided with a first worm wheel and a third gear which is positioned on the front side and the rear side of the first worm wheel and meshed with the third rack, the meshing cavity is rotatably arranged between the transmission cavity and a first worm which is meshed with the first worm wheel, and the tail end of the first worm in the transmission cavity is fixedly provided with a second bevel gear which is meshed with the first bevel gear.
3. A device for grinding the inner and outer walls of a circular tube as defined in claim 1, wherein: the fixing device comprises a fixed cavity with an upward opening, which is arranged in the top wall of the rotating block, a swing cavity with bilateral symmetry and front-back symmetry is arranged in the bottom wall of the fixed cavity, two clamping rods with mutual symmetry are fixedly arranged on the surface of a second rotating shaft which is rotatably arranged in the swing cavity, a second worm wheel fixedly connected with the second rotating shaft is fixedly arranged between the two clamping rods, a cavity is arranged between the swing cavities, a second worm meshed with the second worm wheel is rotatably arranged between the swing cavity and the cavity, a third bevel gear is fixedly arranged at the tail end of the second worm in the cavity, a second motor is fixedly arranged in the top wall of the cavity, and a fourth bevel gear meshed with the third bevel gear is fixedly arranged at the tail end of an output shaft of the second motor.
CN202010182060.5A 2020-03-16 2020-03-16 Device for polishing inner wall and outer wall of circular tube Withdrawn CN111215979A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010182060.5A CN111215979A (en) 2020-03-16 2020-03-16 Device for polishing inner wall and outer wall of circular tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010182060.5A CN111215979A (en) 2020-03-16 2020-03-16 Device for polishing inner wall and outer wall of circular tube

Publications (1)

Publication Number Publication Date
CN111215979A true CN111215979A (en) 2020-06-02

Family

ID=70826931

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010182060.5A Withdrawn CN111215979A (en) 2020-03-16 2020-03-16 Device for polishing inner wall and outer wall of circular tube

Country Status (1)

Country Link
CN (1) CN111215979A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111975615A (en) * 2020-08-31 2020-11-24 王凯 Removal sand light polishing equipment of mechanical disc inward flange polishing usefulness
CN112247814A (en) * 2020-09-30 2021-01-22 中钢集团新型材料（浙江）有限公司 Graphite cup body integral polishing equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111975615A (en) * 2020-08-31 2020-11-24 王凯 Removal sand light polishing equipment of mechanical disc inward flange polishing usefulness
CN112247814A (en) * 2020-09-30 2021-01-22 中钢集团新型材料（浙江）有限公司 Graphite cup body integral polishing equipment
CN112247814B (en) * 2020-09-30 2021-11-23 中钢新型材料股份有限公司 Graphite cup body integral polishing equipment

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Application publication date: 20200602