CN109571352A - A kind of pressing device - Google Patents
A kind of pressing device Download PDFInfo
- Publication number
- CN109571352A CN109571352A CN201811497411.0A CN201811497411A CN109571352A CN 109571352 A CN109571352 A CN 109571352A CN 201811497411 A CN201811497411 A CN 201811497411A CN 109571352 A CN109571352 A CN 109571352A
- Authority
- CN
- China
- Prior art keywords
- retainer ring
- connecting portion
- pressing device
- gland
- tooth
- 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
Links
- 238000003825 pressing Methods 0.000 title claims abstract description 38
- 210000004907 gland Anatomy 0.000 claims abstract description 46
- 230000006835 compression Effects 0.000 claims abstract description 23
- 238000007906 compression Methods 0.000 claims abstract description 23
- 238000005452 bending Methods 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005474 detonation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
This application discloses a kind of pressing devices, including semiorbicular first retainer ring and the second retainer ring, one end of first retainer ring and the second retainer ring is hinged, first retainer ring extends bending far from the position of hinge joint and is provided with first connecting portion, second retainer ring extends bending far from the position of hinge joint and is provided with second connecting portion, is equipped in first connecting portion and second connecting portion for changing the cam lever of distance between first connecting portion and second connecting portion；First retainer ring and the second retainer ring can be set on the gland of transmission input shaft, and the inner ring diameter after the first retainer ring and the second retainer ring fasten is less than the outer peripheral diameter of gland, and several compression teeth for squeezing gland are equipped on the inner wall of the first retainer ring and the second retainer ring.Pressing device provided herein can disposably compress gland, and use is efficient and convenient, and securely and reliably, low manufacture cost can effectively reduce the labor intensity of staff.
Description
Technical field
This application involves compression apparatus fields, more particularly to a kind of pressing device.
Background technique
The axially position of input shaft and bearing in gearbox is most important, if input shaft position inaccurate, will lead to
Gearbox gears inordinate wear, to influence the working life of gearbox.In order to improve the axially position of input shaft and bearing
Precision after installing bearing inner race and half a month ring and gland, by compressing to gland, carries out half a month ring good
Clamping positioning.
In the prior art, to the compression of gland generally by the way of artificial hand chisel, artificial hand chisel, that is, worker taps gland
Deformation is brought it about to carry out clamping positioning to half a month ring.Method in the prior art, since the dynamics of artificial hand chisel is grasped
Inaccuracy so that gland discontinuity causes local deformation even to damage half a month ring, and then is easy to cause gearbox work different
Often.It hits in addition, artificial hand chisel also needs different directions repeatedly to dig so that assembly efficiency substantially reduces.
Therefore, the compression efficiency for how improving gland in gearbox is the skill that those skilled in the art need to solve at present
Art problem.
Apply for content
The purpose of the application is to provide a kind of pressing device, which can effectively improve gland in gearbox
Efficiency is compressed, it is safe and reliable.
To achieve the above object, the application provides the following technical solutions:
A kind of pressing device, including semiorbicular first retainer ring and the second retainer ring, first retainer ring and second card
One end of circle is hinged, and first retainer ring extends bending far from the position of hinge joint and is provided with first connecting portion, second card
It encloses the position extension bending far from hinge joint and is provided with second connecting portion, pacify in the first connecting portion and the second connecting portion
Equipped with the cam lever for changing distance between the first connecting portion and the second connecting portion；First retainer ring and institute
After stating the second retainer ring can be set on the gland of transmission input shaft, and first retainer ring and second retainer ring fasten
Inner ring diameter is less than the outer peripheral diameter of the gland, is equipped on first retainer ring and the inner wall of second retainer ring for squeezing
Press several compression teeth of the gland.
Preferably, the locking for further including the thread hinged with the cam lever and being matched with the thread
Nut, the thread can be connect after the first connecting portion and the second connecting portion with the locking nut.
Preferably, the first connecting portion and the second connecting portion are plate-like, also, the first connecting portion and institute
It states and is equipped in second connecting portion for the perforative through-hole of the thread.
Preferably, the cam lever includes cam part and handle, and the cam part is located at one end of the handle, described
The middle part of cam part is equipped with the groove for thread insertion, and the two sides that the groove is located in the cam part are equipped with
Lock through-hole, the end of the thread be equipped with can the locking through-hole cooperate after for the perforative tension rod thru-hole of locking pin.
Preferably, the hinged end of first retainer ring and second retainer ring passes through cylindrical hinge pin connection.
Preferably, the compression tooth is circumferentially uniformly distributed along the inner sidewall of first retainer ring and second retainer ring.
Preferably, the compression tooth is trapezoidal, and the bottom setting for compressing tooth is in first retainer ring or described
On the inner wall of second retainer ring, the compressible peripheral part in the gland in top for compressing tooth.
Preferably, the compression tooth is in triangular prism shape, and the compression tooth is axially parallel to first retainer ring or described
Second retainer ring is provided with the tangential direction of the position for compressing tooth, and a rib for compressing tooth be located remotely from it is described
The position of first retainer ring or the second retainer ring inner wall.
Preferably, the inside of first retainer ring and second retainer ring be equipped with for the clamping of the end face of the gland
Stage portion.
Preferably, the middle inside of first retainer ring and second retainer ring is arranged in the stage portion, also, described
The two sides for being internally located at the stage portion of first retainer ring and second retainer ring are respectively equipped with the first lock chambers and the second locking
Chamber, the internal diameter of first lock chambers are greater than the internal diameter of second lock chambers.
Pressing device provided herein, including semiorbicular first retainer ring and the second retainer ring, first retainer ring and
One end of second retainer ring is hinged, and first retainer ring extends bending far from the position of hinge joint and is provided with first connecting portion,
Second retainer ring extends bending far from the position of hinge joint and is provided with second connecting portion, the first connecting portion and described second
It is equipped on interconnecting piece for changing the cam lever of distance between the first connecting portion and the second connecting portion；Described
One retainer ring and second retainer ring can be set on the gland of transmission input shaft, and first retainer ring and second card
Inner ring diameter after circle fastens is less than the outer peripheral diameter of the gland, on the inner wall of first retainer ring and second retainer ring
Equipped with several compression teeth for squeezing the gland.The pressing device, it is described to reduce by the setting of the cam lever
The closure angle of first retainer ring and second retainer ring, and using it is described compress tooth setting, can disposably to the gland into
Row compresses, and use is efficient and convenient, and securely and reliably, low manufacture cost can effectively reduce the labor intensity of staff.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of configuration schematic diagram of specific embodiment of pressing device provided herein；
Fig. 2 is a kind of assembling structure schematic diagram of specific embodiment of pressing device provided herein；
Fig. 3 is the schematic diagram of internal structure of pressing device provided herein；
Fig. 4 is the work structure diagram of pressing device provided herein；
Fig. 5 is the schematic diagram of the section structure of the pressing device shown in Fig. 4 in the direction F；
Wherein: 1, the first retainer ring；2, the second retainer ring；3, cylindrical hinge pin；4, locking pin；5, cam lever 6, screw thread are drawn
Bar；7, locking nut；8, tapering gradient tooth；9, transmission input shaft；10, the first half a month ring；11, bearing inner race；12, gland；
13, pressing device；14, the second half a month ring.
Specific embodiment
The core of the application is to provide a kind of pressing device, which can significantly improve gland in gearbox
Compress efficiency, safe and reliable, low manufacture cost.
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
Fig. 1 to Fig. 5 is please referred to, Fig. 1 is a kind of detonation configuration of specific embodiment of pressing device provided herein
Schematic diagram；Fig. 2 is a kind of assembling structure schematic diagram of specific embodiment of pressing device provided herein；Fig. 3 is this Shen
Please provided by pressing device schematic diagram of internal structure；Fig. 4 is that the work structuring of pressing device provided herein is illustrated
Figure；Fig. 5 is the schematic diagram of the section structure of the pressing device shown in Fig. 4 in the direction F.
In this embodiment, pressing device 13 includes the first retainer ring 1 and the second retainer ring 2, the first retainer ring 1 and the second retainer ring
2 can be set on the gland 12 of transmission input shaft 9；First retainer ring 1 and the second retainer ring 2 are in semi-circular, the first retainer ring 1 and the
One end of two retainer rings 2 is hinged, specifically, the first end of the first retainer ring 1 and the first end of the second retainer ring 2 are hinged, the first retainer ring 1 is remote
Position from hinge joint extends bending and is provided with first connecting portion, and the second retainer ring 2 extends bending setting far from the position of hinge joint
There is second connecting portion, specifically, the second end of the first retainer ring 1 is provided with first connecting portion, the second end of the second retainer ring 2 is provided with
Cam lever 5 is installed, cam lever 5 is for changing the first connection in second connecting portion, first connecting portion and second connecting portion
The distance between portion and second connecting portion, specifically, cam lever 5 is during swing, by changing cam lever 5 and the
Working radius between one interconnecting piece or second connecting portion end face, come adjust between first connecting portion and second connecting portion away from
From.
Further, the first retainer ring 1 and the second retainer ring 2, and the inner ring diameter after the first retainer ring 1 and the second retainer ring 2 fastening
Less than the outer peripheral diameter of gland 12, if being equipped with the dry-pressing for squeezing gland 12 on the inner wall of the first retainer ring 1 and the second retainer ring 2
Tight tooth 8.
The pressing device 13, by the setting of cam lever 5, to reduce the dwell angle of the first retainer ring 1 and the second retainer ring 2
Degree, and using the setting for compressing tooth 8, disposably gland 12 can be compressed, use is efficient and convenient, securely and reliably, is fabricated to
This is low, can effectively reduce the labor intensity of staff.
It further include the thread 6 and and thread hinged with cam lever 5 on the basis of the respective embodiments described above
6 locking nuts 7 matched, thread 6 can be connect after first connecting portion and second connecting portion with locking nut 7, spiral shell
One end of line pull rod 6 is mounted on cam lever 5, the other end after first connecting portion and second connecting portion with locking nut 7
Connection.
On the basis of the respective embodiments described above, first connecting portion and second connecting portion are plate-like, also, the first connection
It is equipped in portion and second connecting portion for the perforative through-hole of thread 6, the diameter of through-hole should be slightly larger than the straight of thread 6
Diameter.
On the basis of the respective embodiments described above, cam lever 5 includes cam part and handle, and cam part is located at the one of handle
End, the middle part of cam part are equipped with the groove being inserted into for thread 6, and the two sides that groove is located in cam part are equipped with locking and lead to
Hole, the end of thread 6 are equipped with tension rod thru-hole, and tension rod thru-hole is matched with the position of locking through-hole, is equipped in cam part
Locking pin 4, locking pin 4 can be through locking through-hole and tension rod thru-holes, and realization cam part is hinged with thread 6.
On the basis of the respective embodiments described above, the hinged end of the first retainer ring 1 and the second retainer ring 2 passes through cylindrical hinge pin 3
Connection.
On the basis of the respective embodiments described above, it is circumferentially equal along the inner sidewall of the first retainer ring 1 and the second retainer ring 2 to compress tooth 8
Even distribution to guarantee the compression uniform in effect to gland 12, and then guarantees the installation of the first half a month ring 10 and the second half a month ring 14
Stablize.
On the basis of the respective embodiments described above, compression tooth 8 is trapezoidal, and compresses the bottom setting of tooth 8 in the first card
On the inner wall of circle 1 or the second retainer ring 2, the compressible peripheral part in gland 12 in top of tooth 8 is compressed, using trapezoidal compression tooth 8,
It can be improved and compress 8 end of tooth in the pressure of 12 peripheral part of gland, improve and compress effect.
On the basis of the respective embodiments described above, compressing tooth 8 is in triangular prism shape, and compress tooth 8 is axially parallel to the first card
Circle 1 or the second retainer ring 2 are provided with the tangential direction of the position of the compression tooth 8, and a rib for compressing tooth 8 is located remotely from first
The position of 2 inner wall of retainer ring 1 or the second retainer ring.Specifically, the compression tooth 8 of triangular prism shape, can preferably change the shape of gland 12
Shape, also, the compression tooth 8 of triangular prism shape, the contact that can be pressed on gland 12 is line contact, can both reduce contact surface
Product improves pressure, and gland 12 can also be prevented impaired.
On the basis of the respective embodiments described above, the inside of the first retainer ring 1 and the second retainer ring 2 be equipped with for gland 12
The stage portion of end face clamping, the positioning purpose of realization and gland 12 that stage portion can be more efficient.
On the basis of the respective embodiments described above, the middle inside of the first retainer ring 1 and the second retainer ring 2 is arranged in stage portion,
Also, the two sides for being internally located at stage portion of the first retainer ring 1 and the second retainer ring 2 are respectively equipped with the first lock chambers and the second locking
Chamber, the internal diameter of the first lock chambers are greater than the internal diameter of the second lock chambers.In above-mentioned setting, pass through the first lock chambers and the second lock chambers
Setting, and the internal diameter of the first lock chambers is different from the internal diameter of the second lock chambers, can be adapted for two kinds of various sizes of pressures
The compression of lid 12, applicability improve.
Specifically, the provided pressing device 13 of the present embodiment, by Fig. 1, Fig. 2, Fig. 3 it is found that the first retainer ring 1 and the second retainer ring
2 are connected by cylindrical hinge pin 3, and can be rotated around cylindrical hinge pin 3, and thread 6 passes through the through-hole of two retainer rings by locking
Tight nut 7 is fixed, and cam lever 5 is hinged by locking pin 4 and thread 6, and up and down the two of the first retainer ring 1 and the second retainer ring 2
End is equipped with the lock chambers of different radii, is provided with several compression teeth in the inside of two retainer rings.
The application method of the device by Fig. 4, Fig. 5 it is found that after transmission input shaft 9 is installed in place, first by bearing inner race
11 are inserted in transmission input shaft 9, and it is defeated with gearbox that the first half a month ring 10 is then stuck in bearing inner race 11 with the second half a month ring 14
In the card slot for entering axis 9, by 12 sets of gland on two half a month rings；By adjusting 2 opening angle of the first retainer ring 1 and the second retainer ring
So that its radius is slightly larger than the radius of gland 12,13 sets of the pressing device is guaranteed on gland 12 compressing tooth 8 is located at 12 bottom of gland
Then portion is pre-tightened with locking nut 7 and guarantees that the working radius of cam lever 5 is located in minimum, then passes through external force torsion
Cam lever 5 becomes larger the working radius of cam part to make the first retainer ring 1 slowly be closed with the second retainer ring 2, so that
It compresses tooth 8 to tighten 12 bottom of gland, then gland 12 reaches Complete Bind to the first half a month ring 10 and the second half a month ring 14
Effect so that the first half a month ring 10 and the second half a month ring 14 play good positioning function.
The there is provided pressing device of the present embodiment can be compressed using cam lever mode with the completion of Labor-saving high-efficiency；First card
The internal diameter surrounding of circle 1 and the second retainer ring 2 has a certain number of compression teeth 8, can disposably make gland 12 that effective deformation occur,
It is very efficient and convenient and safe and reliable；The both ends of first retainer ring 1 and the second retainer ring 2 have different radii lock chambers, it can be achieved that
Set of device compresses the gland of a variety of radiuses.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Pressing device provided herein is described in detail above.Specific case used herein is to this Shen
Principle and embodiment please is expounded, the present processes that the above embodiments are only used to help understand and its
Core concept.It should be pointed out that for those skilled in the art, in the premise for not departing from the application principle
Under, can also to the application, some improvement and modification can also be carried out, these improvement and modification also fall into the protection of the claim of this application
In range.
Claims (10)
1. a kind of pressing device (13), which is characterized in that including semiorbicular first retainer ring (1) and the second retainer ring (2), described
One end of one retainer ring (1) and second retainer ring (2) is hinged, and first retainer ring (1) extends bending far from the position of hinge joint
It is provided with first connecting portion, second retainer ring (2) extends bending far from the position of hinge joint and is provided with second connecting portion, described
It is equipped in first connecting portion and the second connecting portion for changing between the first connecting portion and the second connecting portion
The cam lever (5) of distance；First retainer ring (1) and second retainer ring (2) can be set in the pressure of transmission input shaft (9)
It covers on (12), and the inner ring diameter after first retainer ring (1) and second retainer ring (2) fastening is less than the gland (12)
Outer peripheral diameter, be equipped with for squeezing the gland (12) on the inner wall of first retainer ring (1) and second retainer ring (2)
Several compression teeth (8).
2. pressing device (13) according to claim 1, which is characterized in that further include hinged with the cam lever (5)
Thread (6) and the locking nut (7) that is matched with the thread (6), the thread (6) can be through described
It is connect after first connecting portion and the second connecting portion with the locking nut (7).
3. pressing device (13) according to claim 2, which is characterized in that the first connecting portion and second connection
Portion is plate-like, also, is equipped in the first connecting portion and the second connecting portion perforative for the thread (6)
Through-hole.
4. pressing device (13) according to claim 2, which is characterized in that the cam lever (5) include cam part and
Handle, the cam part are located at one end of the handle, and the middle part of the cam part is equipped with for the thread (6) insertion
Groove, the two sides that the groove is located in the cam part are equipped with locking through-hole, and the end of the thread (6) is equipped with can
For locking pin (4) perforative tension rod thru-hole after the locking through-hole cooperation.
5. pressing device (13) according to claim 1, which is characterized in that first retainer ring (1) and second card
The hinged end for enclosing (2) is connected by cylindrical hinge pin (3).
6. pressing device (13) according to claim 1, which is characterized in that the compression tooth (8) is along first retainer ring
(1) it is circumferentially uniformly distributed with the inner sidewall of second retainer ring (2).
7. according to claim 1 to pressing device described in 6 any one (13), which is characterized in that the compression tooth (8) is in ladder
Shape, and the bottom for compressing tooth (8) is arranged on the inner wall of first retainer ring (1) or second retainer ring (2), it is described
Compress the compressible peripheral part in the gland (12) in top of tooth (8).
8. according to claim 1 to pressing device described in 6 any one (13), which is characterized in that the compression tooth (8) is in three
Prism-shaped, it is described compress tooth (8) be axially parallel to first retainer ring (1) or second retainer ring (2) to be provided with this described
Compress tooth (8) position tangential direction, and it is described compress tooth (8) a rib be located remotely from first retainer ring (1) or
The position of second retainer ring (2) inner wall.
9. according to claim 1 to pressing device described in 6 any one (13), which is characterized in that first retainer ring (1) and
The inside of second retainer ring (2) is equipped with for the stage portion with the clamping of the end face of the gland (12).
10. pressing device (13) according to claim 9, which is characterized in that the stage portion setting is in first card
Enclose the middle inside of (1) and second retainer ring (2), also, the inside of first retainer ring (1) and second retainer ring (2)
The first lock chambers and the second lock chambers are respectively equipped with positioned at the two sides of the stage portion, the internal diameter of first lock chambers is greater than institute
State the internal diameter of the second lock chambers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811497411.0A CN109571352A (en) | 2018-12-07 | 2018-12-07 | A kind of pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811497411.0A CN109571352A (en) | 2018-12-07 | 2018-12-07 | A kind of pressing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109571352A true CN109571352A (en) | 2019-04-05 |
Family
ID=65927809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811497411.0A Pending CN109571352A (en) | 2018-12-07 | 2018-12-07 | A kind of pressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109571352A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115837615A (en) * | 2023-02-10 | 2023-03-24 | 中国机械总院集团海西(福建)分院有限公司 | Grinding and polishing device and grinding and polishing machine tool with same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005003615B3 (en) * | 2005-01-26 | 2006-09-21 | Wezag Gmbh Werkzeugfabrik | Crimping pliers for pressing several notches on length of contact elements has L-shaped ram whereby longer limb is supported in guide body which moves radially and shorter limb meshes tangentially in open-edged recess |
| CN203993746U (en) * | 2014-07-31 | 2014-12-10 | 湖北三江航天红林探控有限公司 | The manual quick pipeline connection device of clamping hoop type |
| CN106926886A (en) * | 2015-12-15 | 2017-07-07 | 株式会社耐奥斯特 | Chassis with lockable mechanism |
| CN206708174U (en) * | 2017-04-28 | 2017-12-05 | 王付华 | A kind of front locking device |
| CN209158256U (en) * | 2018-12-07 | 2019-07-26 | 上海索达传动机械有限公司 | A kind of pressing device |
-
2018
- 2018-12-07 CN CN201811497411.0A patent/CN109571352A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005003615B3 (en) * | 2005-01-26 | 2006-09-21 | Wezag Gmbh Werkzeugfabrik | Crimping pliers for pressing several notches on length of contact elements has L-shaped ram whereby longer limb is supported in guide body which moves radially and shorter limb meshes tangentially in open-edged recess |
| CN203993746U (en) * | 2014-07-31 | 2014-12-10 | 湖北三江航天红林探控有限公司 | The manual quick pipeline connection device of clamping hoop type |
| CN106926886A (en) * | 2015-12-15 | 2017-07-07 | 株式会社耐奥斯特 | Chassis with lockable mechanism |
| CN206708174U (en) * | 2017-04-28 | 2017-12-05 | 王付华 | A kind of front locking device |
| CN209158256U (en) * | 2018-12-07 | 2019-07-26 | 上海索达传动机械有限公司 | A kind of pressing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115837615A (en) * | 2023-02-10 | 2023-03-24 | 中国机械总院集团海西(福建)分院有限公司 | Grinding and polishing device and grinding and polishing machine tool with same |
| CN115837615B (en) * | 2023-02-10 | 2023-08-29 | 中国机械总院集团海西(福建)分院有限公司 | Grinding and polishing device and grinding and polishing machine tool with same |
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