CN113021123A - Gear blank inner ring polishing device and using method thereof - Google Patents

Gear blank inner ring polishing device and using method thereof Download PDF

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Publication number
CN113021123A
CN113021123A CN201911253270.2A CN201911253270A CN113021123A CN 113021123 A CN113021123 A CN 113021123A CN 201911253270 A CN201911253270 A CN 201911253270A CN 113021123 A CN113021123 A CN 113021123A
Authority
CN
China
Prior art keywords
gear blank
workbench
inner ring
driving motor
driving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911253270.2A
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Chinese (zh)
Inventor
董锡杰
李子龙
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.)
Tianjin Strong Industry And Trade Co ltd
Original Assignee
Tianjin Strong Industry And Trade 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 Tianjin Strong Industry And Trade Co ltd filed Critical Tianjin Strong Industry And Trade Co ltd
Priority to CN201911253270.2A priority Critical patent/CN113021123A/en
Publication of CN113021123A publication Critical patent/CN113021123A/en
Pending 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
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • 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
    • 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
    • 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
    • B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06—Dust extraction equipment on grinding or polishing machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/12—Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

The invention discloses a gear blank inner ring polishing device and a using method thereof, and the gear blank inner ring polishing device comprises a workbench, wherein supporting legs are connected to corners of the bottom of the workbench, a vertical plate is arranged at the center of the rear part of the workbench, a first adjusting mechanism is arranged at the rear part of the vertical plate, a polishing mechanism is arranged on the surface of the first adjusting mechanism and positioned at the front part of the vertical plate, fixed blocks are arranged on two sides of the top of the workbench, which are positioned at an opening, a second adjusting mechanism is arranged inside the fixed blocks, a collecting mechanism is arranged at the bottom of the workbench, and a connecting mechanism is arranged between two sides of the collecting. The grinding mechanism has the functions of collecting the garbage generated by grinding, preventing the garbage generated by grinding from splashing everywhere, protecting the working environment, providing a comfortable working environment for workers, and facilitating the height adjustment of the grinding mechanism and the clamping of gears with different sizes, so that the workers can conveniently work, and the working efficiency is further improved.

Description

Gear blank inner ring polishing device and using method thereof
Technical Field
The invention relates to the technical field of polishing devices, in particular to a gear blank inner ring polishing device and a using method thereof.
Background
The gear is a mechanical element with teeth on the wheel rim capable of continuously meshing to transmit motion and power, and is a toothed mechanical part capable of meshing with each other, the diameter of the large gear is one time of that of the small gear, and the middle of the gear is a through hole called an inner ring. When the gear is not manufactured, the inner ring has a plurality of salient points or burrs and the like, and if the gear is not polished, the gear can scratch workers during installation and use, and meanwhile, the gear can not be attached properly during installation, and looseness and shaking are caused.
Traditional gear blank inner circle is when polishing, and the staff is fixed the gear blank, then is holding grinding device and is polishing the gear inner circle, and it is low not through work efficiency when polishing like this, and the rubbish that the production of polishing simultaneously also can splash everywhere all to operational environment has caused the pollution.
Therefore, a gear blank inner ring grinding device is provided to solve the problem.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a gear blank inner ring grinding device and a using method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a gear blank inner circle grinding device, includes the workstation, the intermediate position at workstation top is equipped with the opening, the corner of workstation bottom connects and is equipped with the landing leg, the center department at workstation rear portion is equipped with the riser, the rear portion of riser is equipped with first adjustment mechanism, first adjustment mechanism's inside is equipped with grinding machanism, the top of workstation is located the open-ended both sides and all is equipped with the fixed block, and the inside of fixed block is equipped with second adjustment mechanism, the bottom of workstation is equipped with collects the mechanism, and is equipped with coupling mechanism between the both sides of just collecting the mechanism and the bottom of workstation.
Preferably, first adjustment mechanism is including setting up in the first driving motor at riser dog-ear department top and running through the spacing mouth that sets up in riser inside, and first driving motor's output is equipped with first actuating lever, the surface of first actuating lever is equipped with the drive block through the screw thread, and one side of drive block is located the inside of spacing mouth and is equipped with the mounting panel.
Preferably, grinding machanism is including setting up in the inside second driving motor in mounting panel top, and second driving motor's output runs through the mounting panel and is equipped with the second actuating lever through the bearing, the output of second actuating lever is equipped with the embedding piece, the output of second actuating lever is equipped with the head of polishing, and the top of polishing the head is equipped with the sleeve.
Preferably, the second adjusting mechanism comprises adjusting rods which are respectively arranged inside the two fixed blocks in a penetrating mode through threads, clamping blocks are arranged at the output ends of the adjusting rods, and multiple groups of clamping holes are uniformly formed in the upper parts of the surfaces of the opposite surfaces of the clamping blocks
Preferably, collect the mechanism including set up in workstation bottom center department be located the opening below collect fight with set up in the protection casing that the workstation top is located the opening outside, and the inside of collecting fighting is equipped with the fan of bleeding, the bottom of collecting fighting is run through and is equipped with the connector, and the bottom of collecting fighting is equipped with the connecting pipe through the connector.
Preferably, the connecting mechanism comprises two pairs of connecting blocks arranged on the side part of the collecting hopper, and bolts penetrate through the connecting blocks.
A using method of the grinding device comprises the steps that a worker rotates adjusting rods 701 in a fixing block 6 according to the diameter of a gear blank, the two adjusting rods 701 rotate in the fixing block 6 through threads and drive clamping blocks 702 to approach to the upper position in the middle of an opening 101, after the two clamping blocks 702 are inverted to proper positions, the worker flatly places the gear blank above the position between the extending positions of the two clamping blocks 702, so that teeth on the outer ring of the gear blank are clamped with clamping holes 703 formed in opposite surfaces of the two clamping blocks 702, then the worker controls a first driving motor 401 and a second driving motor 501 to work through an external controller, the first driving motor 401 works to drive a first driving rod 402 to rotate, the first driving rod 402 rotates to drive a driving block 403 to move on the surface of the first driving rod 402 through threads, and meanwhile, the driving block 403 drives a mounting plate 404 to move in a limiting hole 405 in a vertical plate 3, the mounting plate 404 drives the second driving motor 501 to move above the gear blank, so that the polishing head 505 at the output end of the second driving motor 501 is located in the inner ring of the gear blank, meanwhile, the polishing head 505 is just matched with the inner ring of the gear blank, and in addition, the second driving motor 501 rotates to drive the polishing head 505 to rotate through the second driving rod 503 to polish the inner ring of the gear blank.
Compared with the prior art, the invention has the beneficial effects that:
1. through the first adjustment mechanism and the second adjustment mechanism that set up to reach and highly adjust grinding mechanism and carry out the effect of centre gripping to the gear of equidimension not, make the staff of being convenient for carry out work, further improve work efficiency.
2. Through the collection mechanism who sets up to reach the effect that the rubbish that polishes the production was collected, prevent that the rubbish that polishes the production from splashing everywhere all, prevent consequently that the pollution from influencing staff's operational environment, further protected staff's operational environment, further make the staff have a comfortable operational environment.
Drawings
FIG. 1 is a perspective view of a gear blank inner ring grinding device according to the present invention;
FIG. 2 is a schematic view of the external structure of FIG. 1;
FIG. 3 is a schematic diagram of a right-side view of the vertical plate and the first adjusting mechanism in FIG. 1;
fig. 4 is a top view of the table of fig. 1.
In the figure: 1. a work table; 101. an opening; 2. a support leg; 3. a vertical plate; 4. a first adjustment mechanism; 401. a first drive motor; 402. a first drive lever; 403. a drive block; 404. mounting a plate; 405. a limiting port; 5. a polishing mechanism; 501. a second drive motor; 502. a bearing; 503. a second drive lever; 504. embedding a block; 505. polishing head; 506. a sleeve; 6. a fixed block; 7. a second adjustment mechanism; 701. adjusting a rod; 702. a clamping block; 703. a clamping hole; 8. a collection mechanism; 801. a collecting hopper; 802. a connector; 803. a connecting pipe; 804. a protective cover; 805. an air extracting fan; 9. a connecting mechanism; 901. connecting blocks; 902. and (4) bolts.
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 gear blank inner ring polishing device comprises a workbench 1, an opening 101 is arranged in the middle of the top of the workbench 1, chips generated during polishing can be conveniently leaked from the opening 101, supporting legs 2 are connected to the corners of the bottom of the workbench 1, the supporting legs 2 play a role of supporting the workbench 1, a vertical plate 3 is arranged at the center of the rear portion of the workbench 1, the vertical plate 3 is L-shaped, the vertical plate 3 plays a role of bearing and installing a first adjusting mechanism 4 and a polishing mechanism 5, the rear portion of the vertical plate 3 is provided with the first adjusting mechanism 4, the polishing mechanism 5 is arranged inside the first adjusting mechanism 4, fixed blocks 6 are arranged on two sides of the top of the workbench 1, which are positioned at the opening 101, a second adjusting mechanism 7 is arranged inside the fixed block 6, a collecting mechanism 8 is arranged at the bottom of the workbench 1, and a connecting mechanism 9 is arranged between two sides of the collecting mechanism 8 and the bottom of the workbench 1; the lower part of the supporting leg (2) is provided with a footing with adjustable height, the bottom end of the footing is provided with a supporting plate, and the lower surface of the supporting plate is provided with a plurality of needle-shaped bulges.
First adjustment mechanism 4 is including setting up in the first driving motor 401 at riser 3 dog-ear department top and running through and set up in the inside spacing mouthful 405 of riser 3, first driving motor 401 is prior art, it does not do this and describe repeatedly, spacing mouthful 405 plays and prevents that mounting panel 404 from following drive block 403 pivoted effect, and first driving motor 401's output is equipped with first actuating lever 402, the surface of first actuating lever 402 is equipped with drive block 403 through the screw thread, and the inside that one side of drive block 403 is located spacing mouthful 405 is equipped with mounting panel 404, mounting panel 404 is horizontal "protruding" font, play the effect of installation second driving motor 501.
Grinding machanism 5 is including setting up in the inside second driving motor 501 in mounting panel 404 top, second driving motor 501 is prior art, no description is given here, and the output of second driving motor 501 runs through mounting panel 404 and is equipped with second drive lever 503 through bearing 502, the output of second drive lever 503 is equipped with embedding piece 504, embedding piece 504 agrees with the inside on sanding head 505 top, the output of second drive lever 503 is equipped with sanding head 505, sanding head 505 plays the effect that internal gear blank inner circle ground, and sanding head 505's top is equipped with sleeve 506, sleeve 506 is located the surface of second drive lever 503's output, and carry out through connection to both through the gim peg.
The second adjusting mechanism 7 comprises an adjusting rod 701 which is arranged inside the two fixing blocks 6 in a penetrating mode through threads respectively, the adjusting rod 701 is in a T shape used horizontally, the output end of the adjusting rod 701 is provided with a clamping block 702, the clamping block 702 is in a rectangular shape, the lower portion of the surface of the opposite surfaces of the two clamping blocks 702 is protruding, the upper portion is in a radian, the effect of placing and bearing a gear blank on the surface is achieved, the upper portion of the opposite surface of the two clamping blocks 702 is evenly provided with a plurality of groups of clamping holes 703, and the clamping holes 703 achieve the effect of being clamped with teeth outside the gear blank.
The collecting mechanism 8 comprises a collecting bucket 801 arranged at the center of the bottom of the workbench 1 and positioned below the opening 101 and a protective cover 804 arranged at the top of the workbench 1 and positioned outside the opening 101, the collecting bucket 801 plays a role of collecting debris generated during polishing, the protective cover 804 can further prevent the debris generated during polishing from splashing, an air suction fan 805 is arranged inside the collecting bucket 801, suction force generated by the operation of the air suction fan 805 can accelerate the debris to enter the collecting bucket 801 and a connecting pipe 803, a connecting head 802 penetrates through the bottom of the collecting bucket 801, the bottom of the collecting bucket 801 is provided with the connecting pipe 803 through the connecting head 802, the connecting pipe 803 plays a role of discharging the debris generated during polishing into a designated garbage collecting and discharging treatment device under the action of the air suction fan 805 so as to further treat the garbage generated during polishing, and the connecting mechanism 9 comprises two pairs of connecting blocks 901 arranged at the side part of the collecting bucket 801, and the inside of connecting block 901 runs through and is equipped with bolt 902, and collection fill 801 passes through connecting block 901 and bolt 902 cooperation can be dismantled and install with the bottom of workstation 1.
The working principle and the using method are that when a worker polishes, the worker rotates the adjusting rods 701 in the fixed block 6 according to the diameter of the gear blank, the two adjusting rods 701 rotate in the fixed block 6 through threads and drive the clamping blocks 702 to approach to the upper position in the middle of the opening 101, and after the two clamping blocks 702 are inverted to proper positions,
the worker puts the gear blank horizontally above the extended positions of the two clamping blocks 702, so that the teeth of the outer ring of the gear blank are clamped with the clamping holes 703 arranged on the opposite surfaces of the two clamping blocks 702,
then, the worker controls the first driving motor 401 and the second driving motor 501 to work through an external controller, the first driving motor 401 works to drive the first driving rod 402 to rotate, the first driving rod 402 rotates to drive the driving block 403 to move on the surface of the first driving rod 402 through threads,
meanwhile, the driving block 403 drives the mounting plate 404 to move in the limiting opening 405 in the vertical plate 3, the mounting plate 404 drives the second driving motor 501 to move above the gear blank, so that the polishing head 505 at the output end of the second driving motor 501 is positioned in the inner ring of the gear blank, meanwhile, the polishing head 505 is just matched with the inner ring of the gear blank, in addition, the second driving motor 501 rotates to drive the polishing head 505 to rotate through the second driving rod 503 to polish the inner ring of the gear blank, when the diameter of the inner ring of the gear blank is too large,
the worker can detach the fixing bolt for fixing the polishing head 505 and the second driving rod 503, the polishing head 505 matched with the inner ring of the gear blank is inserted into the output end of the second driving rod 503 again, then the fixing bolt is used for fixing, in addition, the fragments generated in the polishing process fall into the collecting hopper 801 through the opening 101, meanwhile, the suction force generated by the operation of the suction fan 805 can accelerate the fragments to enter the collecting hopper 801 and the connecting pipe 803, the fragments generated in the polishing process are discharged into the designated garbage collecting and discharging processing equipment, the garbage generated in the polishing process is further processed, and the protective cover 804 can further prevent the fragments generated in the polishing process from splashing.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Claims (6)

1. The gear blank inner ring polishing device comprises a workbench (1), and is characterized in that an opening (101) is formed in the middle of the top of the workbench (1), supporting legs (2) are connected to corners of the bottom of the workbench (1), a vertical plate (3) is arranged at the center of the rear portion of the workbench (1), a first adjusting mechanism (4) is arranged at the rear portion of the vertical plate (3), a polishing mechanism (5) is arranged inside the first adjusting mechanism (4), fixed blocks (6) are arranged on two sides, located on the opening (101), of the top of the workbench (1), a second adjusting mechanism (7) is arranged inside the fixed blocks (6), a collecting mechanism (8) is arranged at the bottom of the workbench (1), and a connecting mechanism (9) is arranged between two sides of the collecting mechanism (8) and the bottom of the workbench (1); the collecting mechanism (8) comprises a collecting hopper (801) arranged at the center of the bottom of the workbench (1) and located below the opening (101) and a protective cover (804) arranged at the top of the workbench (1) and located outside the opening (101), the connecting mechanism (9) comprises two pairs of connecting blocks (901) arranged on the side of the collecting hopper (801), and bolts (902) penetrate through the connecting blocks (901).
2. The gear blank inner ring grinding device according to claim 1, wherein the first adjusting mechanism (4) comprises a first driving motor (401) arranged at the top of a folding angle of the vertical plate (3) and a limiting opening (405) penetrating the vertical plate (3), a first driving rod (402) is arranged at the output end of the first driving motor (401), a driving block (403) is arranged on the surface of the first driving rod (402) through threads, and a mounting plate (404) is arranged inside the limiting opening (405) on one side of the driving block (403).
3. The gear blank inner ring grinding device is characterized in that the grinding mechanism (5) comprises a second driving motor (501) arranged inside the top end of a mounting plate (404), the output end of the second driving motor (501) penetrates through the mounting plate (404) and is provided with a second driving rod (503) through a bearing (502), the output end of the second driving rod (503) is provided with an embedded block (504), the output end of the second driving rod (503) is provided with a grinding head (505), and the top of the grinding head (505) is provided with a sleeve (506).
4. The gear blank inner ring grinding device is characterized in that the second adjusting mechanism (7) comprises adjusting rods (701) which are respectively arranged inside the two fixing blocks (6) in a penetrating mode through threads, clamping blocks (702) are arranged at the output ends of the adjusting rods (701), and a plurality of groups of clamping holes (703) are uniformly formed in the upper portions of the opposite surface surfaces of the two clamping blocks (702).
5. The gear blank inner ring grinding device as claimed in claim 1, wherein a suction fan (805) is arranged inside the collecting hopper (801), a connecting head (802) is arranged at the bottom of the collecting hopper (801) in a penetrating mode, and a connecting pipe (803) is arranged at the bottom of the collecting hopper (801) through the connecting head (802).
6. A method of using the polishing apparatus as recited in claim 1,
according to the diameter of the gear blank, adjusting rods (701) in the fixing block (6) are rotated, the two adjusting rods (701) rotate in the fixing block (6) through threads and drive the clamping blocks (702) to approach to the upper position in the middle of the opening (101), and after the two clamping blocks (702) are inverted to proper positions, the gear blank is horizontally placed above the position between the extending positions of the two clamping blocks (702);
then the first driving motor (401) and the second driving motor (501) are controlled to work through an external controller, the first driving motor (401) works to drive the first driving rod (402) to rotate, the first driving rod (402) rotates to drive the driving block (403) to move on the surface of the first driving rod (402) through threads,
meanwhile, the driving block (403) drives the mounting plate (404) to move inside the limiting opening (405) in the vertical plate (3), the mounting plate (404) drives the second driving motor (501) to move above the gear blank, so that the polishing head (505) at the output end of the second driving motor (501) is located in the inner ring of the gear blank, meanwhile, the polishing head (505) is just matched with the inner ring of the gear blank, and in addition, the second driving motor (501) rotates to drive the polishing head (505) to rotate through the second driving rod (503) to polish the inner ring of the gear blank.
CN201911253270.2A 2019-12-09 2019-12-09 Gear blank inner ring polishing device and using method thereof Pending CN113021123A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911253270.2A CN113021123A (en) 2019-12-09 2019-12-09 Gear blank inner ring polishing device and using method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911253270.2A CN113021123A (en) 2019-12-09 2019-12-09 Gear blank inner ring polishing device and using method thereof

Publications (1)

Publication Number Publication Date
CN113021123A true CN113021123A (en) 2021-06-25

Family

ID=76451124

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911253270.2A Pending CN113021123A (en) 2019-12-09 2019-12-09 Gear blank inner ring polishing device and using method thereof

Country Status (1)

Country Link
CN (1) CN113021123A (en)

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Application publication date: 20210625

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