CN108356699A - A kind of sander support device - Google Patents
A kind of sander support device Download PDFInfo
- Publication number
- CN108356699A CN108356699A CN201711482936.2A CN201711482936A CN108356699A CN 108356699 A CN108356699 A CN 108356699A CN 201711482936 A CN201711482936 A CN 201711482936A CN 108356699 A CN108356699 A CN 108356699A
- Authority
- CN
- China
- Prior art keywords
- mounting base
- cantilever
- sander
- support device
- respective end
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention relates to a kind of sander support devices, including supportive body, guiding movement is equipped with the cantilever of foldable adjustment along the vertical direction on supportive body, the cantilever has at least two two cantilever segments by the articulated shaft hinge mounted that vertically extends together, the cantilever away from one end of the supportive body equipped with the mounting base for sander to be fixedly mounted.In sander support device provided by the present invention, it is fixedly mounted on sander is corresponding in mounting base, by mounting base mobile adjustment is carried out with sander, utilize convertible cantilever, the flexible adjustment in the horizontal direction of achievable mounting base and adjustment is swung, and then effectively expands the working range of sander.Also, mobile adjustment can be also carried out in the up-down direction, can effectively expand the application places of sander, improves versatility.
Description
Technical field
The present invention relates to a kind of sander support devices.
Background technology
In electric field, the structures such as corresponding support tubes, conductive pipe fitting are frequently encountered, these pipe fittings are mostly by welding
Processing, to ensure that flatness, the performance of especially conductive pipe fitting need to polish to weld seam using sander.For pipe fitting
For, since its is relatively large sized, so, it usually needs worker end sander and carries out polishing work, certainly due to sander
Weight is larger, and the working time is slightly long, and labor intensity is just especially big, and if the sander for selecting model smaller, and can be serious
Influence processing efficiency.In fact, currently, corresponding sander is also equipped with corresponding supporting tool, still, this supporting tool is more
It is fixed nonadjustable, the larger all kinds of pipe fittings of differences in shape can not be adapted to, can not also adapt to the more weldering of shape type
Seam, versatility are bad.
Invention content
The purpose of the present invention is to provide a kind of sander support devices that position adjustment can be carried out to sander, to solve
Sander supporting tool is unable to adjust sander position and the poor technical problem of the versatility brought in the prior art.
To achieve the above object, the technical solution of sander support device provided by the present invention is：
Scheme 1：A kind of sander support device, including supportive body, guiding movement is equipped with along the vertical direction on supportive body
The cantilever of foldable adjustment, the cantilever have at least two by the articulated shaft hinge mounted that vertically extends together
Two cantilever segments, the mounting base of the cantilever being equipped with away from one end of the supportive body for sander to be fixedly mounted.
Scheme 2：It is further improved on the basis of scheme 1, the mounting base rotates adjustable be mounted on around horizontal axis
The respective end of the cantilever, being equipped between the mounting base and the respective end of cantilever will installation after mounting base rotation is adjusted in place
Seat is fixed on the fastening structure of cantilever respective end.
Scheme 3：It is improved on the basis of scheme 2, the respective end of the mounting base is equipped with mounting base connector, the installation seated connection
Head mounting base between be equipped with for guide mounting base around the horizontal axis carry out rotation adjustment arcuate guide structure.
Scheme 4：Improved on the basis of scheme 3, the arcuate guide structure include long arc-shaped holes and with long arc-shaped holes pair
The guide pin that should coordinate is arranged one of in long arc-shaped holes and guide pin on the mounting base connector, another setting
In the mounting base.
Scheme 5：It is improved on the basis of scheme 4, the guide pin screw-tightened is assemblied in the mounting base connector or peace
It fills on seat.
Scheme 6：It is improved on the basis of scheme 2, the respective end of the cantilever is equipped with mounting base connector, the fastening structure
Further include that correspondence is worn including the bolt mounting holes being respectively equipped at the central axis in the mounting base connector and mounting base
Fastening bolt in the bolt mounting holes.
Scheme 7：It is improved on the basis of scheme 6, interval nested structure, the interval noose is set in the fastening bolt
Structure has the endoporus being rotatably assorted with the fastening bolt.
Scheme 8：It is improved on the basis of scheme 7, the interval nested structure includes axially dividing successively along the fastening bolt
Two bodies of cloth, one of body are installed in mounting base, another body is installed on the mounting base connector.
Scheme 9：It is improved on the basis of scheme 8, the opposite exterior lateral sides of two body, which are respectively equipped with outside block, to turn edge.
Scheme 10：It is improved on the basis of scheme 2, the respective end of the mounting base is vertically extended by rotation
Articulated structure is rotatably equipped with mounting base connector, and the mounting base rotation is adjustable to be mounted on the mounting base connector, described
Fastening structure is arranged on mounting base connector and mounting base.
Scheme 11：It is improved on the basis of scheme 2, the respective end of the cantilever is connect by what axis vertically extended
Head articulated shaft hinge mounted has mounting base connector, and the mounting base is corresponding to be mounted on the mounting base connector.
12：It is improved on the basis of any one of scheme 1 to scheme 11, two hinged cantilevers of the arbitrary neighborhood of the cantilever
Section is mating, and each cantilever segment is respectively equipped with the overhanging main body vertically extended.
13：It is improved on the basis of 12, the overhanging main body is hollow beam box structure.
14：It is improved on the basis of any one of scheme 1 to scheme 11, the supportive body is equipped with to be prolonged along the vertical direction
The guide frame stretched is oriented on the guide frame and is equipped with cantilever mounting base, and the cantilever is arranged in the cantilever mounting base,
Supportive body is equipped with the driving mechanism that driving cantilever mounting base moves up and down together with cantilever.
15：It is improved on the basis of 14, the cantilever is existed by the cantilever articulated shaft hinge mounted vertically extended
In the cantilever mounting base.
16：It is improved on the basis of 14, the driving mechanism is assemblied in the support including guiding movement along the vertical direction
Counter weight group in main body, counter weight group are sequentially connected by structure of tow line and the cantilever mounting base, on the supportive body
Intermediate reverse wheel equipped with guiding structure of tow line commutation.
17：It improves, is spaced apart around the counter weight group on the supportive body multiple along upper on the basis of 16
The guide rod that lower direction extends.
18：It is improved on the basis of 16, the supportive body is equipped with the protective cover being located at outside the counter weight group.
19：It is improved on the basis of any one of scheme 1 to scheme 11, the supportive body has traveling wheel.
20：It is improved on the basis of any one of scheme 1 to scheme 11, the mounting base is equipped with handle.
The beneficial effects of the invention are as follows：In sander support device provided by the present invention, by the corresponding fixation of sander
In mounting base, mobile adjustment is carried out with sander by mounting base, using convertible cantilever, it can be achieved that mounting base
Flexible adjustment in the horizontal direction and swing adjustment, and then effectively expand the working range of sander.Also, it can also be upper
Lower section carries out mobile adjustment upwards, can effectively expand the application places of sander, improves versatility.
Further, it is rotatably mounted on cantilever around horizontal axis due to mounting base, can be turned when needed in this way
The respective angles of dynamic mounting base are assembled together after rotation is adjusted in place, then by mounting base connector and mounting base fastening.
In sander support device provided by the present invention, may be implemented sander position horizontal extension, horizontal hunting,
The multi-faceted adjusting such as oscilaltion and horizontal rotation may be implemented to put by institute's workpieces processing by arcuate guide structure
Level angle deviation compensates, and position adjustment process is easy, flexible, reduces processing part placement position required precision, contracting
The time required to the adjustment of short tube machine for grinding welding seam position, to improve production efficiency, cost is reduced.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of embodiment of sander support device provided by the present invention；
Fig. 2 is the vertical view of support device shown in Fig. 1（Save protective cover）；
Fig. 3 is the structural schematic diagram of foldable cantilever in support device shown in Fig. 1；
Fig. 4 is the vertical view of foldable cantilever shown in Fig. 3；
Fig. 5 is the structural schematic diagram of mounting base connector in Fig. 1；
Fig. 6 is the sectional view of mounting base connector shown in Fig. 5；
Fig. 7 is mounting base, mounting base connector and foldable cantilever assembling structure schematic diagram in Fig. 1；
Fig. 8 is the right side schematic view of Fig. 7；
Fig. 9 is that mounting base connector is adjusted to the left to the status diagram of extreme angles；
Figure 10 is that mounting base connector adjusts to the right to the status diagram of extreme angles；
Figure 11 is the structural schematic diagram of the mounting base for installing sander in Fig. 1；
Figure 12 is the vertical view of mounting base shown in Figure 11；
Figure 13 is the structural schematic diagram of cantilever mounting base in Fig. 1.
Specific implementation mode
The specific implementation mode of the present invention is described further below in conjunction with the accompanying drawings, but is not limited thereto.
The specific embodiment of sander support device provided by the present invention, as shown in figure 1 to figure 13, in the embodiment
The specific packet supportive body 9 of support device, guiding movement is equipped with cantilever 2 along the vertical direction on supportive body 9, and cantilever 2 deviates from
One end of supportive body is equipped with mounting base 4, and mounting base 4 can be used for that sander 100 is fixedly mounted.
The bottom of supportive body 9 is equipped with corresponding traveling wheel 10, at least a pair of of universal wheel can usually be arranged, in order to branch
Main body is supportted to adjust into line direction.
Supportive body 9 herein specifically includes chassis, and traveling wheel, which corresponds to, to be mounted on chassis, and chassis is equipped with column, stands
The top of column is equipped with cross-brace arm, also, to improve the intensity of supportive body, is equipped with and inclines between cross-brace arm and column
Bearing diagonal arm.Chassis, column, cross-brace arm and inclined shore arm herein generally fixes dress by the way of weld connection
Match, certainly, other fastening connecting modes can also be used and be such as bolted.
Column is equipped with the guide frame for guiding cantilever guiding movement along the vertical direction, which specifically includes
The guiding axis 8 vertically extended, guiding axis 8 are installed in column side, and the upper and lower ends correspondence of guiding axis 8 is fixedly connected on
On column.It is equipped with cantilever mounting base 1 in 8 guiding movement of guiding axis, above-mentioned cantilever 2 is corresponding to be mounted on cantilever mounting base 1
On, the guiding of guiding axis 8 carries out upper and lower position adjustment.
Supportive body 9 is equipped with the driving structure that driving cantilever mounting base connection cantilever carries out upper and lower position adjustment, the drive
Motivation structure specifically includes the counter weight group 13 that guiding movement along the vertical direction is assemblied on supportive body, and counter weight group 13 passes through drawing
Rope structure 12 is sequentially connected with cantilever mounting base 1, correspondingly, being equipped with corresponding intermediate reverse wheel 11 on cross-brace arm to draw
Structure of tow line 12 is led to commutate.There are two the settings of intermediate reverse wheel 11 herein, and an intermediate reverse wheel 11 is located at clump weight
The surface of group 13, another intermediate reverse wheel are located at the surface of cantilever mounting base 1.
Realize that the driving to cantilever adjusts using the principle of gravitational equilibrium here with counter weight group 13, adjustment is more square
Just, moreover, the operating characteristics of structure of tow line and the stability of operation can be improved using corresponding intermediate reverse wheel.
To improve security performance, protective cover 15 is installed on supportive body 9, protective cover 15 herein is in addition to being provide with counterweight
Other than block group 13, a part of structure of tow line has also been covered.Certainly, in other embodiments, counter weight group also can only be covered.
The guide frame up and down for being oriented to counter weight group, guide frame herein are equipped on supportive body 9
It specifically includes 4 guide rods, 14,4 guide rods 14 being installed on chassis and is distributed on clump weight along the circumferentially-spaced of counter weight group
Group periphery, each guide rod 14 is oriented to counter weight group respectively to be coordinated.
The structure of cantilever mounting base 1 is as shown in figure 13 comprising the connecting plate 16 and be oriented to that bolt fastening is assembled together
Frame 17, leading truck 17 have two guide sleeves 18 spaced apart along the vertical direction, two guide sleeves, 18 corresponding and direct bearing
To cooperation, and connecting plate is then used to fasten to assemble corresponding cantilever.
In the present embodiment, as shown in Figure 3 and Figure 4, cantilever 2 is specially the structure of foldable adjustment, agent structure such as 3 Hes
Shown in Fig. 4, agent structure specifically includes the cantilever segment 20 of multiple hinge mounteds successively, and two cantilever segments 20 of arbitrary neighborhood are logical
Cross 22 hinge mounted of articulated shaft vertically extended together, the respective end of the cantilever segment of arbitrary neighborhood corresponds to grafting assembly
Together, in fact, cantilever segment 20 includes the inserted terminal of intermediate overhanging main body 21 and both ends, overhanging main body 21 is specially to have
The beam box structure for having setting thickness, can effectively improve the support stiffness of cantilever, can bear larger weight, avoid the occurrence of torsion in this way
Turn to destroy.For two cantilever segments of arbitrary neighborhood, the inevitable corresponding inserted terminal there are one cantilever segment is located at another cantilever
Inside the corresponding inserted terminal of section, result in formation of connected structure is overlapped, then correspondence is installed on the coincidence grafting to corresponding articulated shaft
At structure.
In the present embodiment, as shown in Figure 1, for convenience of the angle of sander is adjusted, above-mentioned mounting base 4 is rotated around horizontal axis
The adjustable respective end mounted on cantilever 2 is equipped between mounting base 4 and the respective end of cantilever 2 and is adjusted in mounting base rotation
Mounting base is fixed on to the fastening structure of cantilever respective end behind position.
Specifically, corresponding mounting base 4 is installed for convenience, peace is installed in one end of the separate supportive body of cantilever 2
Seated connection head 3 is filled, mounting base 4 is corresponding can to rotate adjustable be mounted on mounting base connector 3 around horizontal axis.Moreover, herein
Connector articulated shaft 6 hinge mounted of the mounting base connector 3 by vertically extending can utilize the peace in this way on cantilever 2
Dress seated connection head 3 carries out rotation adjustment to mounting base 4 and sander 100.
Above-mentioned fastening structure specifically includes the bolt mounting holes being correspondingly arranged on mounting base connector 3 and mounting base 4, peace
It fills the bolt mounting holes on the bolt mounting holes and mounting base on seated connection head 3 and corresponds to perforation, fastening structure further includes that correspondence installs
Fastening bolt 35 in respective bolt mounting hole, the make-up of fastening bolt 35 are fixedly mounted with equipped with corresponding fastening nut.It is to be adjusted to arrive
Behind position, mounting base connector 3 and the fastening of mounting base 4 can be assembled together by screwing fastening nut.
In fact, either fastening bolt 35 or above-mentioned bolt mounting holes correspond to above-mentioned horizontal axis arrangement,
Fastening bolt 35 herein not only acts as corresponding fastening effect, also acts as the effect of corresponding articulated shaft.
Be set with interval nested structure in fastening bolt 35, interval nested structure has be rotatably assorted with fastening bolt in
Hole.In fact, interval nested structure includes two bodies being axially sequentially distributed along the fastening bolt, wherein right jacketing 33 is installed in
In mounting base 4, left jacketing 32 is installed on mounting base connector 3.Moreover, for convenience of assembling, distinguish in the opposite exterior lateral sides of two bodies
Equipped with turning edge outside block, wherein turning edge to have outside the block of left jacketing 32 coordinates with fastening nut and 3 top pressure of mounting base connector, right
It turns edge outside block on body and then coordinates with corresponding bolt head and 4 top pressure of mounting base seat.
For guide mounting base 4 rotation, between mounting base connector 3 and mounting base 4 be equipped with for guide mounting base around
State the arcuate guide structure that horizontal axis carries out rotation adjustment.Arcuate guide structure herein includes long arc-shaped holes 31 and and arc
The guide pin 5 of 31 corresponding matching of slot hole, long arc-shaped holes 31 are arranged on mounting base connector 3, the then corresponding screw-tightened of guide pin 5
It is assemblied in mounting base 4.The rotation angle of sander can be limited in suitable range here with long arc-shaped holes 31, is such as schemed
It is the limit on the left position of diagram in Fig. 9 shown in 9 and Figure 10, is then the limit on the right-right-hand limit position of diagram, rotatable angle master in Figure 10
It is used to compensate pipe fitting placement angle deviation to be processed, to adjust the operating attitude of sander, improves polishing operating mode.
Certainly, in other embodiments, long arc-shaped holes can also be arranged in mounting base, and guide pin is fastened and is assembled
On mounting base connector.
In the present embodiment, mounting base 4 specifically includes the intermediate frame body 40 for surrounding intermediate installation space, in intermediate frame body 40
Upper and lower ends correspondence is equipped with upper flange plate 41, lower flange plate 42, and two flanged plates are equipped with the flange hole around arrangement, for
Mounting flange corresponding on sander 100 is correspondingly connected with.The bolt mounting holes pair for installing fastening bolt in mounting base
It should be located on intermediate frame body.
In addition, carrying out multidirectional swing adjustment for convenience of guiding sander, it is equipped in mounting base 4 and is grasped accordingly for people
The handle 43 of work, the handle 43 are specially the handrail ring being arranged on intermediate frame body.
In use, be fixedly mounted on sander 100 is corresponding in mounting base 4, by 43 drive installation seat 4 of handle with
Sander 100 carries out mobile adjustment, due to convertible cantilever 2 special construction, it can be achieved that mounting base in the horizontal direction
Flexible adjustment swings adjustment, and then effectively expands the working range of sander.Moreover, because mounting base 4 can around horizontal axis
Being mounted on cantilever 2 for rotation, can be rotatablely installed the respective angles of seat when needed in this way, after rotation is adjusted in place, then
Mounting base connector 3 and the fastening of mounting base 4 are assembled together.
Sander position may be implemented in horizontal extension, horizontal hunting, up and down liter in the support device that the present embodiment is provided
The multi-faceted adjusting such as drop and horizontal rotation may be implemented to put horizontal angle by institute's workpieces processing by arcuate guide structure
Degree deviation compensates, and position adjustment process is easy, flexible, reduces processing part placement position required precision, shortens pipe weldering
The time required to stitching the adjustment of sander position, to improve production efficiency, cost is reduced.
In the present embodiment, mounting base rotates the adjustable respective end mounted on cantilever around horizontal axis, in other embodiment
In, if workpiece to be processed can carry out horizontal rotation adjustment, mounting base can also be directly anchored to the corresponding of cantilever
End, need not carry out rotation adjustment to mounting base again.
In the present embodiment, driving mechanism selects counter weight group, facilitates and utilizes gravity tune cantilever elevation.In other embodiment
In, driving mechanism can also use the structures such as hydraulic cylinder.
In the present embodiment, cantilever includes multiple cantilever segments, and in other embodiments, cantilever includes at least two cantilever segments,
Flexible and horizontal hunting can be met.Correspondingly, overhanging main body is beam box structure, in other embodiments, cantilever can also be adopted
With the telescopic folding structure that can meet support strength requirement in the prior art.
Claims (10)
1. a kind of sander support device, it is characterised in that：Including supportive body, guiding movement along the vertical direction on supportive body
It is equipped with the cantilever of foldable adjustment, which there is at least two articulated shaft hinge mounteds by vertically extending to exist
Two cantilever segments together, the installation of the cantilever being equipped with away from one end of the supportive body for sander to be fixedly mounted
Seat.
2. sander support device according to claim 1, it is characterised in that：The mounting base can around horizontal axis rotation
The respective end mounted on the cantilever adjusted is equipped between the mounting base and the respective end of cantilever and is adjusted in mounting base rotation
Mounting base is fixed on to the fastening structure of cantilever respective end behind position.
3. sander support device according to claim 2, it is characterised in that：The respective end of the mounting base is equipped with installation
Seated connection head is equipped between the mounting base connector and mounting base for guiding mounting base to carry out rotation adjustment around the horizontal axis
Arcuate guide structure.
4. sander support device according to claim 3, it is characterised in that：The arcuate guide structure includes that arc is long
Hole and guide pin with long arc-shaped holes corresponding matching are arranged one of in long arc-shaped holes and guide pin in the installation seated connection
On head, another is arranged in the mounting base.
5. sander support device according to claim 4, it is characterised in that：The guide pin screw-tightened is assemblied in institute
It states in mounting base connector or mounting base.
6. sander support device according to claim 2, it is characterised in that：The respective end of the cantilever is equipped with mounting base
Connector, the fastening structure include the bolt peace being respectively equipped at the central axis in the mounting base connector and mounting base
Hole is filled, further includes the corresponding fastening bolt being installed in the bolt mounting holes.
7. sander support device according to claim 6, it is characterised in that：It is set with spacer sleeve in the fastening bolt
Structure, the interval nested structure have the endoporus being rotatably assorted with the fastening bolt.
8. sander support device according to claim 7, it is characterised in that：The interval nested structure includes along described tight
Two bodies that fixing bolt is axially sequentially distributed, one of body are installed in mounting base, another body is installed in the peace
It fills on seated connection head.
9. sander support device according to claim 8, it is characterised in that：The opposite exterior lateral sides of two body are set respectively
Have and turns edge outside block.
10. sander support device according to claim 2, it is characterised in that：The respective end of the mounting base is by turning
The dynamic articulated structure vertically extended is rotatably equipped with mounting base connector, and the mounting base rotation is adjustable mounted on described
On mounting base connector, the fastening structure is arranged on mounting base connector and mounting base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482936.2A CN108356699B (en) | 2017-12-29 | 2017-12-29 | Polisher strutting arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482936.2A CN108356699B (en) | 2017-12-29 | 2017-12-29 | Polisher strutting arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108356699A true CN108356699A (en) | 2018-08-03 |
| CN108356699B CN108356699B (en) | 2020-11-20 |
Family
ID=63010688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711482936.2A Active CN108356699B (en) | 2017-12-29 | 2017-12-29 | Polisher strutting arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108356699B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112247744A (en) * | 2020-10-20 | 2021-01-22 | 中国能源建设集团东北电力第一工程有限公司 | Portable magnetic milling and grinding machine |
| CN113305737A (en) * | 2021-06-30 | 2021-08-27 | 湖北诺御汽车零部件科技股份有限公司 | Adjustable polishing workbench and adjusting method thereof |
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| CN101486160A (en) * | 2009-02-19 | 2009-07-22 | 常州工学院 | Numerical control external spherical surface raceway grinding machine |
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| CN205043562U (en) * | 2015-08-25 | 2016-02-24 | 天下石仓（天津）有限公司 | Stone material inboard hole grinding device |
| CN205096973U (en) * | 2015-10-30 | 2016-03-23 | 华蓥市凯博玻璃有限公司 | Irregular glass edge grinding machine |
| CN107283272A (en) * | 2017-08-10 | 2017-10-24 | 中国能源建设集团广东火电工程有限公司 | Portable plane sanding apparatus |
| CN206622929U (en) * | 2016-12-27 | 2017-11-10 | 天津市信庆科技有限公司 | Ceramic roller economic benefits and social benefits grinding station |
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| DE1238802B (en) * | 1963-12-18 | 1967-04-13 | Wilhelm Loh K G Optikmaschinen | Feeding device on lens grinding machines, in particular lens edge grinding machines |
| CN101486160A (en) * | 2009-02-19 | 2009-07-22 | 常州工学院 | Numerical control external spherical surface raceway grinding machine |
| CN204725268U (en) * | 2015-05-23 | 2015-10-28 | 邢剑杰 | A kind of sander for ceramic deburring shaping processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112247744A (en) * | 2020-10-20 | 2021-01-22 | 中国能源建设集团东北电力第一工程有限公司 | Portable magnetic milling and grinding machine |
| CN113305737A (en) * | 2021-06-30 | 2021-08-27 | 湖北诺御汽车零部件科技股份有限公司 | Adjustable polishing workbench and adjusting method thereof |
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| Publication number | Publication date |
|---|---|
| CN108356699B (en) | 2020-11-20 |
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