CN109108378A - A kind of Horizontal type saw blade gear grinding machines - Google Patents
A kind of Horizontal type saw blade gear grinding machines Download PDFInfo
- Publication number
- CN109108378A CN109108378A CN201811086974.0A CN201811086974A CN109108378A CN 109108378 A CN109108378 A CN 109108378A CN 201811086974 A CN201811086974 A CN 201811086974A CN 109108378 A CN109108378 A CN 109108378A
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- motor
- saw blade
- base plate
- main base
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D63/00—Dressing the tools of sawing machines or sawing devices for use in cutting any kind of material, e.g. in the manufacture of sawing tools
- B23D63/08—Sharpening the cutting edges of saw teeth
- B23D63/12—Sharpening the cutting edges of saw teeth by grinding
- B23D63/14—Sharpening circular saw blades
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
The invention discloses a kind of Horizontal type saw blade gear grinding machines, including main base plate, the main base plate is L-type, and motor bottom seat board is equipped with above one end of the main base plate, there are two No.1 motor fixed frames far from being fixedly connected on the side panel of main base plate for the motor bottom seat board, polishing motor is equipped in the No.1 motor fixed frame, the output end of the polishing motor is fixedly connected with motor transmission shaft, there are two No.1 bearings for connection on the motor transmission shaft, the No.1 bearing is fixedly connected with bearing supporting frame by bearing, one end of the bearing supporting frame is fixed on motor bottom seat board, the motor transmission shaft is vertically connected with roll flute piece far from one end of polishing motor, structure of the invention is novel, it is easy to use, it can be adapted for the biggish saw blade roll flute of specification gap, it is a kind of novel and practical Horizontal type saw blade gear grinding machines.
Description
Technical field:
The invention belongs to gear grinding machines technical field, in particular to a kind of Horizontal type saw blade gear grinding machines.
Background technique:
In the prior art, most of gear grinding machines can only all polish to the lesser saw blade of specification gap, so the present invention provides
A kind of Horizontal type saw blade gear grinding machines solve the above problems.
Summary of the invention:
The object of the invention is that providing a kind of Horizontal type saw blade gear grinding machines to solve the above-mentioned problems, solves the prior art
In, the shortcomings that most of gear grinding machines can only all polish to specification gap lesser saw blade.
To solve the above-mentioned problems, the present invention provides a kind of technical solutions:
A kind of Horizontal type saw blade gear grinding machines, including main base plate, the main base plate are L-type, and on one end of the main base plate
Side is equipped with motor bottom seat board, and there are two No.1 motors far from being fixedly connected on the side panel of main base plate for the motor bottom seat board
Fixed frame, the No.1 motor fixed frame is interior to be equipped with polishing motor, and the output end of the polishing motor is fixedly connected with motor biography
Moving axis, there are two No.1 bearings, the No.1 bearing to be connected with bearing by bearing fixed frame for connection on the motor transmission shaft
Support frame, one end of the bearing supporting frame are fixed on motor bottom seat board, and the one of the separate polishing motor of the motor transmission shaft
End is vertically connected with roll flute piece, and the motor bottom seat board is vertically connected with two on the side panel far from No.1 motor fixed frame
Motor support bar, the motor support bar pass through the support rod wears groove setting on main base plate far from one end of motor bottom seat board and exist
The lower section of main base plate, is fixedly connected with that there are two position limiting slide block, the limits on the motor support bar below the main base plate
Motor support bar between sliding block is equipped with feed screw nut, and the position limiting slide block above the feed screw nut is arranged in No.1 sliding slot
Interior, the position limiting slide block below the feed screw nut is arranged in No. two sliding slots, passes through between the No.1 sliding slot and No. two sliding slots
Bearing (setting) plate connection.
Preferably, the feed screw nut is threaded with screw rod, the both ends of the screw rod pass through respectively No. two bearings and
No. three bearings are connect with bearing (setting) plate, and the screw rod passes through No. three bearings close to one end of No. three bearings and is connected with mobile electricity
Machine, the mobile motor are arranged in No. two motor fixed frames, and No. two motor fixed frames by several No.1 bolts and
Main base plate connection, main base plate of the No.1 motor fixed frame far from mobile motor side is perforated equipped with bottom plate, described
It is equipped with saw blade briquetting in bottom plate perforation, saw blade briquetting lower end is fixedly connected with motor shaft, and the motor shaft is far from saw blade
One end of briquetting is fixedly connected with the output shaft of orientation adjusting motor, and the orientation adjusting motor is arranged in No. three motor fixed frames, and institute
It states No. three motor fixed frames to connect by several No. two bolts with main base plate, the saw blade briquetting is far from one end of motor shaft
Portion is equipped with location hole, and the positioning hole is plugged with pilot pin, and the pilot pin is fixed on saw blade far from one end of saw blade briquetting
At pressing plate center, compression bar is connected with by No. four bearings at the remotely located bolt side face plate center of saw blade pressing plate.
Preferably, the compression bar is fixedly connected with the spring pressure being arranged in bourdon tube far from one end of No. four bearings
Plate, the spring bearer plate is far from being fixedly connected with groups of springs on the side panel of compression bar, in the bourdon tube above the groups of springs
It is fixedly connected with spring retainer ring, the compression bar gag lever post being fixed on spring bearer plate, the spring are plugged in the groups of springs
It manages one end far from compression bar to be fixed on top beam, the top beam is equipped with limit rod set, the limit far from one end of bourdon tube
It is plugged with limit slide bar in rod set, the limit slide bar is connect close to one end of main base plate is vertically vertical with main base plate, institute
It states limit slide bar and is fixedly connected with top beam regulating nut on the top beam of bourdon tube side, the top beam regulating nut screw thread connects
It is connected to top beam adjusting screw rod, top beam adjusting screw rod upper end is vertically connected with adjusting rotating handle.
Preferably, being equipped with rubber filling block between the No.1 motor fixed frame and polishing motor.
Preferably, the saw blade briquetting is equipped with antiskid thread close to the one side of saw blade pressing plate.
Preferably, being equipped with sliding slot perforation on the corresponding No.1 sliding slot of motor support bar and No. two sliding slots.
Preferably, the main base plate is fixedly connected to stabilizer blade far from the side panel corner of motor bottom seat board.
Preferably, the top beam adjusting screw rod is connected far from the one end for adjusting rotating handle by No. five bearings and main base plate
It connects.
Beneficial effects of the present invention:
The present invention is electrically connected with external numerical control box first, is then risen top beam using top beam adjusting screw rod, so
The saw blade for needing roll flute is placed on above saw blade briquetting afterwards, top beam adjusting screw rod is then adjusted again and puts down top beam, by saw blade
It compresses, then can carry out roll flute to saw blade, in the process, when adjusting height, limit slide bar cooperation top beam is adjusted top beam
Screw rod, since the two is fixedly connected with main base plate, so top beam deliberately remains horizontal when moving up and down, and
When carrying out roll flute, the direction of orientation adjusting motor adjustable saw blade under the control of numerical control box corresponds to roll flute with this to adjust saw blade
The direction of piece, and mobile motor be then numerical control box control adjust back it is whole polishing motor position, to ensure that roll flute piece can
More regularly to carry out roll flute to sawtooth, in the process, polishing motor is moved under the drive of motor bottom seat board, and
The design of sliding block and sliding slot below motor bottom seat board be then so that motor bottom seat board horizontal position can be in the process of movement
It remains unchanged, and makes polishing motor need not rely on manpower when moving by screw rod double hit mobile motor and operated, and
The bearing of screw both end is then to play to offset torsion entrained by screw rod while fixed screw rod, keeps its operation smooth, is beating
During mill, saw blade pressing plate can be suppressed saw blade, placed saw blade and generated excessive vibration during processing, and
Antiskid thread is then the coefficient of friction increased between saw blade briquetting and saw blade, so that saw blade is not likely to produce displacement, groups of springs is then
The pressure generated when buffering top beam pushes is played, No. four bearings, which play, eliminates the torsion that orientation adjusting motor is generated in running, this hair
Bright structure novel, it is easy to use, it can be adapted for the biggish saw blade roll flute of specification gap, be a kind of novel and practical horizontal saw
Piece gear grinding machines.
Detailed description of the invention:
Detailed description will be given by the following detailed implementation and drawings by the present invention for ease of explanation,.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the overlooking structure diagram of main base plate of the invention；
Fig. 3 is No.1 motor fixed frame structural schematic diagram of the invention；
Fig. 4 is No.1 sliding slot of the invention and No. two sliding slot sectional side views.
In figure: 1, main base plate；2, motor bottom seat board；3, No.1 motor fixed frame；4, polishing motor；5, rubber filling
Block；6, motor transmission shaft；7, No.1 bearing；8, bearing fixed frame；9, bearing supporting frame；10, roll flute piece；11, motor support bar；
12, position limiting slide block；13, feed screw nut；14, No.1 sliding slot；15, bearing (setting) plate；16, No. two sliding slots；17, screw rod；18, No. two
Bearing；19, No. three bearings；20, mobile motor；21, No. two motor fixed frames；22, No.1 bolt；23, bottom plate is perforated；24, it saws
Piece briquetting；25, motor shaft；26, orientation adjusting motor；27, No. three motor fixed frames；28, No. two bolts；29, saw blade pressing plate；30, prevent
Sliding screw thread；31, No. four bearings；32, compression bar；33, spring bearer plate；34, groups of springs；35, spring retainer ring；36, compression bar gag lever post；
37, bourdon tube；38, top beam；39, top beam regulating nut；40, top beam adjusting screw rod；41, rotating handle is adjusted；42, No. five bearings；43,
Limit rod set；44, slide bar is limited；45, stabilizer blade；46, sliding slot is perforated；47, location hole；48, pilot pin；49, support rod wears groove.
Specific embodiment:
As shown in Figs 1-4, present embodiment uses following technical scheme: a kind of Horizontal type saw blade gear grinding machines, including main pedestal
Plate 1, the main base plate 1 is L-type, and motor bottom seat board 2, the motor base are equipped with above one end of the main base plate 1
Plate 2 is fixedly connected there are two No.1 motor fixed frame 3 on the side panel far from main base plate 1, the No.1 motor fixed frame 3
Interior to be equipped with polishing motor 4, the output end of the polishing motor 4 is fixedly connected with motor transmission shaft 6, on the motor transmission shaft 6
There are two No.1 bearing 7, the No.1 bearings 7 to be connected with bearing supporting frame 9, the bearing branch by bearing fixed frame 8 for connection
One end of support 9 is fixed on motor bottom seat board 2, and the motor transmission shaft 6 is vertically connected with mill far from one end of polishing motor 4
Gear piece 10, the motor bottom seat board 2 are vertically connected with two motor support bars on the side panel far from No.1 motor fixed frame 3
11, the motor support bar 11 passes through the support rod wears groove 49 on main base plate 1 far from one end of motor bottom seat board 2 and is arranged in master
The lower section of base plate 1, is fixedly connected with that there are two position limiting slide blocks 12 on the motor support bar 11 of 1 lower section of main base plate, described
Motor support bar 11 between position limiting slide block 12 is equipped with feed screw nut 13, and the position limiting slide block 12 of 13 top of feed screw nut is set
It sets in No.1 sliding slot 14, the position limiting slide block 12 of 13 lower section of feed screw nut is arranged in No. two sliding slots 16, and the No.1 is sliding
It is connected between slot 14 and No. two sliding slots 16 by bearing (setting) plate 15.
Wherein, the feed screw nut 13 is threaded with screw rod 17, and the both ends of the screw rod 17 pass through No. two bearings respectively
18 and No. three bearings 19 connect with bearing (setting) plate 15, the screw rod 17 close to one end of No. three bearings 19 pass through No. three bearings 19
It is connected with mobile motor 20, the mobile motor 20 is arranged in No. two motor fixed frames 21, and No. two motor fixed frames
21 are connect by several No.1 bolts 22 with main base plate 1,3 master far from 20 side of mobile motor of No.1 motor fixed frame
Base plate 1 is equipped with bottom plate perforation 23, is equipped with saw blade briquetting 24,24 lower end of saw blade briquetting and electricity in the bottom plate perforation 23
Arbor 25 is fixedly connected, and the fixed company of the output shaft of the one end of the motor shaft 25 far from saw blade briquetting 24 and orientation adjusting motor 26
It connects, the orientation adjusting motor 26 is arranged in No. three motor fixed frames 27, and No. three motor fixed frames 27 pass through several No. two
Bolt 28 is connect with main base plate 1, and the saw blade briquetting 24 is equipped with location hole 47 far from one end inside of motor shaft 25, described fixed
Position is plugged with pilot pin 48 in hole 47, and the pilot pin 48 is fixed on 29 center of saw blade pressing plate far from one end of saw blade briquetting 24
Locate, is connected with compression bar 32 by No. four bearings 31 at the remotely located 48 side face plate center of bolt of the saw blade pressing plate 29.
Wherein, the compression bar 32 is fixedly connected with the spring pressure being arranged in bourdon tube 37 far from one end of No. four bearings 31
Plate 33, the spring bearer plate 33 is far from being fixedly connected with groups of springs 34 on the side panel of compression bar 32,34 top of groups of springs
Bourdon tube 37 in be fixedly connected with spring retainer ring 35, be plugged with the pressure being fixed on spring bearer plate 33 in the groups of springs 34
Bar gag lever post 36, the bourdon tube 37 are fixed on top beam 38 far from one end of compression bar 32, and the top beam 38 is far from bourdon tube 37
One end be equipped with limit rod set 43, limit slide bar 44, the close master of the limit slide bar 44 are plugged in the limit rod set 43
One end of base plate 1 is vertically vertical with main base plate 1 to be connect, and the limit slide bar 44 is on the top beam 38 of 37 side of bourdon tube
It is fixedly connected with top beam regulating nut 39, the top beam regulating nut 39 is threaded with top beam adjusting screw rod 40, the top beam
40 upper end of adjusting screw rod, which is vertically connected with, adjusts rotating handle 41.
Wherein, it is equipped with rubber filling block 5 between the No.1 motor fixed frame 3 and polishing motor 4, in order to fixed polishing
Motor 4.
Wherein, the saw blade briquetting 24 is equipped with antiskid thread 30 close to the one side of saw blade pressing plate 29, in order to fixation
Saw blade.
Wherein, it is equipped with sliding slot perforation 46 on the corresponding No.1 sliding slot 14 of the motor support bar 11 and No. two sliding slots 16,
In order to connect.
Wherein, the main base plate 1 is fixedly connected to stabilizer blade 45 far from the side panel corner of motor bottom seat board 2,
In order to install motor.
Wherein, the top beam adjusting screw rod 40 passes through No. five bearings 42 and main base plate 1 far from the one end for adjusting rotating handle 41
Connection, in order to adjust top beam 38.
It is specific: a kind of Horizontal type saw blade gear grinding machines, in use, the present invention is electrically connected at one with external numerical control box first
It rises, then top beam 38 is risen using top beam adjusting screw rod 40, then the saw blade for needing roll flute is placed on saw blade briquetting 24
Side, then adjusts top beam adjusting screw rod 40 again and puts down top beam 38, saw blade is compressed, and then can carry out roll flute to saw blade,
During this, for top beam 38 when adjusting height, limit slide bar 44 cooperates top beam adjusting screw rod 40, since the two is and main pedestal
Plate 1 is fixedly connected, so top beam 38 deliberately remains horizontal when moving up and down, and when carrying out roll flute, orientation adjusting motor 26
The direction of adjustable saw blade under the control of numerical control box corresponds to the direction of roll flute piece 10 with this to adjust saw blade, and moves electricity
Machine 20 be then numerical control box control adjust back it is whole polishing motor 4 position, to ensure that roll flute piece 10 can more regularly
Roll flute is carried out to sawtooth, in the process, polishing motor 4 is moved under the drive of motor bottom seat board 2, and motor bottom seat board
The design of the sliding block and sliding slot of 2 lower sections is then to allow motor bottom seat board 2 horizontal position remains unchanged in the process of movement,
And polishing motor 4 need not rely on manpower when moving by 17 double hit mobile motor 20 of screw rod to be operated, and screw rod
The bearing at 17 both ends is then to play to offset torsion entrained by screw rod 17 while fixed screw rod 17, keeps its operation smooth,
During polishing, saw blade pressing plate 29 can be suppressed saw blade, placed saw blade and generated excessive vibration during processing
It is dynamic, and antiskid thread 30 is then the coefficient of friction increased between saw blade briquetting 24 and saw blade, so that saw blade is not likely to produce displacement, bullet
Spring group 34 is then to play the pressure generated when buffering top beam 38 pushes, and No. four bearings 31, which play, eliminates orientation adjusting motor 36 in running
The torsion of generation, structure of the invention is novel, easy to use, can be adapted for the biggish saw blade roll flute of specification gap, is a kind of new
Type and practical Horizontal type saw blade gear grinding machines.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, the technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of Horizontal type saw blade gear grinding machines, including main base plate (1), it is characterised in that: the main base plate (1) is L-type, and institute
It states and is equipped with motor bottom seat board (2) above one end of main base plate (1), the one of the motor bottom seat board (2) separate main base plate (1)
It is fixedly connected on side panel there are two No.1 motor fixed frame (3), the No.1 motor fixed frame (3) is interior to be equipped with polishing motor
(4), the output end of polishing motor (4) is fixedly connected with motor transmission shaft (6), is connected on the motor transmission shaft (6)
Two No.1 bearings (7), the No.1 bearing (7) are connected with bearing supporting frame (9), the bearing by bearing fixed frame (8)
One end of support frame (9) is fixed on motor bottom seat board (2), and the motor transmission shaft (6) is hung down far from one end of polishing motor (4)
It is direct-connected to be connected to roll flute piece (10), it is vertically connected on the side panel of the separate No.1 motor fixed frame (3) of the motor bottom seat board (2)
There are two motor support bar (11), the motor support bar (11) passes through main base plate (1) far from the one end of motor bottom seat board (2)
On support rod wears groove (49) motor support bar (11) below the lower section of main base plate (1), the main base plate (1) is set
On be fixedly connected there are two position limiting slide block (12), the motor support bar (11) between the position limiting slide block (12) is equipped with screw rod spiral shell
Female (13), position limiting slide block (12) setting above the feed screw nut (13) is in No.1 sliding slot (14), the feed screw nut
(13) position limiting slide block (12) setting below is in No. two sliding slots (16), between the No.1 sliding slot (14) and No. two sliding slots (16)
It is connected by bearing (setting) plate (15).
2. a kind of Horizontal type saw blade gear grinding machines according to claim 1, it is characterised in that: feed screw nut's (13) screw thread connects
It is connected to screw rod (17), the both ends of the screw rod (17) pass through No. two bearings (18) and No. three bearings (19) and bearing (setting) plate respectively
(15) it connects, the screw rod (17) passes through No. three bearings (19) close to one end of No. three bearings (19) and is connected with mobile motor
(20), mobile motor (20) setting is in No. two motor fixed frames (21), and No. two motor fixed frames (21) pass through
Several No.1 bolts (22) connect with main base plate (1), and the No.1 motor fixed frame (3) is far from mobile motor (20) side
Main base plate (1) is equipped with bottom plate perforation (23), is equipped with saw blade briquetting (24) in the bottom plate perforation (23), the saw blade briquetting
(24) lower end is fixedly connected with motor shaft (25), and the motor shaft (25) one end and orientation adjusting motor far from saw blade briquetting (24)
(26) output shaft is fixedly connected, and orientation adjusting motor (26) setting is in No. three motor fixed frames (27), and No. three electricity
Machine fixed frame (27) is connect by several No. two bolts (28) with main base plate (1), and the saw blade briquetting (24) is far from motor shaft
(25) location hole (47) are equipped with inside one end, are plugged with pilot pin (48) in the location hole (47), the pilot pin (48)
One end far from saw blade briquetting (24) is fixed at saw blade pressing plate (29) center, the remotely located bolt of the saw blade pressing plate (29) (48)
Compression bar (32) are connected with by No. four bearings (31) at the face plate center of side.
3. a kind of Horizontal type saw blade gear grinding machines according to claim 2, it is characterised in that: the compression bar (32) is far from No. four axis
The one end for holding (31) is fixedly connected with the spring bearer plate (33) being arranged in bourdon tube (37), and the spring bearer plate (33) is far from pressure
It is fixedly connected on the side panel of bar (32) groups of springs (34), it is fixed in the bourdon tube (37) above the groups of springs (34) to connect
It is connected to spring retainer ring (35), is plugged with the compression bar gag lever post being fixed on spring bearer plate (33) in the groups of springs (34)
(36), the bourdon tube (37) is fixed on top beam (38) far from the one end of compression bar (32), and the top beam (38) is far from bourdon tube
(37) one end is equipped with limit rod set (43), and limit slide bar (44) is plugged in the limit rod set (43), and the limit is slided
One end of bar (44) close main base plate (1) is vertically vertical with main base plate (1) to be connect, and the limit slide bar (44) is close to spring
It manages and is fixedly connected with top beam regulating nut (39) on the top beam (38) of (37) side, the top beam regulating nut (39) is threadedly coupled
Have top beam adjusting screw rod (40), top beam adjusting screw rod (40) upper end, which is vertically connected with, adjusts rotating handle (41).
4. a kind of Horizontal type saw blade gear grinding machines according to claim 1, it is characterised in that: the No.1 motor fixed frame (3)
Rubber filling block (5) are equipped between polishing motor (4).
5. a kind of Horizontal type saw blade gear grinding machines according to claim 2, it is characterised in that: the saw blade briquetting (24) is close to saw
The one side of piece pressing plate (29) is equipped with antiskid thread (30).
6. a kind of Horizontal type saw blade gear grinding machines according to claim 1, it is characterised in that: the motor support bar (11) is corresponding
No.1 sliding slot (14) and No. two sliding slots (16) on be equipped with sliding slot perforation (46).
7. a kind of Horizontal type saw blade gear grinding machines according to claim 1, it is characterised in that: the main base plate (1) is far from electricity
The side panel corner of machine base plate (2) is fixedly connected to stabilizer blade (45).
8. a kind of Horizontal type saw blade gear grinding machines according to claim 3, it is characterised in that: the top beam adjusting screw rod (40) is remote
It is connect by No. five bearings (42) with main base plate (1) from the one end for adjusting rotating handle (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811086974.0A CN109108378A (en) | 2018-09-18 | 2018-09-18 | A kind of Horizontal type saw blade gear grinding machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811086974.0A CN109108378A (en) | 2018-09-18 | 2018-09-18 | A kind of Horizontal type saw blade gear grinding machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109108378A true CN109108378A (en) | 2019-01-01 |
Family
ID=64858382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811086974.0A Withdrawn CN109108378A (en) | 2018-09-18 | 2018-09-18 | A kind of Horizontal type saw blade gear grinding machines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109108378A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116222A (en) * | 2019-05-22 | 2019-08-13 | 中船重工中南装备有限责任公司 | A kind of thin plate boring and milling arc surface facing attachment |
| CN111890140A (en) * | 2020-08-04 | 2020-11-06 | 芜湖懒人智能科技有限公司 | Knife sharpener for saw blade teeth |
-
2018
- 2018-09-18 CN CN201811086974.0A patent/CN109108378A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116222A (en) * | 2019-05-22 | 2019-08-13 | 中船重工中南装备有限责任公司 | A kind of thin plate boring and milling arc surface facing attachment |
| CN111890140A (en) * | 2020-08-04 | 2020-11-06 | 芜湖懒人智能科技有限公司 | Knife sharpener for saw blade teeth |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190101 |