CN104625914B - Flat grinding machine for contact - Google Patents
Flat grinding machine for contact Download PDFInfo
- Publication number
- CN104625914B CN104625914B CN201510100539.9A CN201510100539A CN104625914B CN 104625914 B CN104625914 B CN 104625914B CN 201510100539 A CN201510100539 A CN 201510100539A CN 104625914 B CN104625914 B CN 104625914B
- Authority
- CN
- China
- Prior art keywords
- flat
- contact
- grinding machine
- bar
- stop
- 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.)
- Expired - Fee Related
Links
- 238000005452 bending Methods 0.000 claims description 5
- 244000309464 bull Species 0.000 claims description 2
- 238000005498 polishing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 125000000266 alpha-aminoacyl group Chemical group 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a flat grinding machine for a contact. The flat grinding machine comprises a base, a supporting device, a flat grinding device, power devices, a supporting frame, a first stop device and a second stop device, wherein the supporting device is arranged above the base; the flat grinding device is positioned above the supporting device; the power devices are positioned at the left and right sides of the flat grinding device; the supporting frame is positioned above the base; the first stop device is positioned above the flat grinding device; the second stop device is positioned at the left side of the first stop device; the supporting device comprises a body, first support pillars and driven wheels; the flat grinding device comprises a flat grinding barrel, a rotation shaft, a connecting rod and a flat grinding rod; the power devices comprise a left power device and a right power device; the left power device comprises a first air cylinder, a first push rod, a first slide rod, a first supporting plate, a first arc plate, a second supporting pillar and a first driving wheel; the supporting frame comprises a second vertical part and a second horizontal part; the first stop device comprises a third air cylinder, a third push rod, a third slide rod and a first stop block; the second stop device comprises a first fixed block, a rotation rod, a second fixed block, a second stop block and a gripping part.
Description
Technical field
The present invention relates to electric contact technical field, particularly relate to a kind of plain grinding for contact
Machine.
Background technology
Contact is the part will used in switch and relay, though its volume is little, but to its property
Can requirement the highest, manufacture process has a lot of complicated operations, the particularly operation of post processing,
Throw including defat, roll cast, tempering heat treatment, pickling, centrifugal polishing, cylinder essence, pure water clear
Wash, dehydrate, oven drying and cooling of drying.But the surface of some contact still has
Flaw and soft flocks, and surface smoothness and flatness all do not reach specific requirement, so now
Add one plain grinding operation.
Accordingly, it is desirable to provide a kind of new technical scheme solves above-mentioned technical problem.
Summary of the invention
The problem to be solved in the present invention is to provide and a kind of can effectively solve above-mentioned technical problem
Flat-grinding machine for contact.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that
A kind of flat-grinding machine for contact, the described flat-grinding machine for contact includes base, is positioned at
Support means above described base, it is positioned at the plain grinding device above described support means, is positioned at
The power set of the described plain grinding device left and right sides, it is positioned at the bracing frame above described base, position
The first arresting stop above described plain grinding device and being positioned on the left of described first arresting stop
The second arresting stop, described support means include body, be positioned at above described body some
First support column and be positioned at the driven pulley above described first support column, described plain grinding device includes
Plain grinding bucket, be positioned at the rotating shaft within described plain grinding bucket, be positioned at the connecting rod below described rotating shaft and
Being positioned at the plain grinding bar below described connecting rod, described power set include being positioned at described plain grinding device
Left side left power set and be positioned at the right power set on the right side of described plain grinding device, a described left side move
Power apparatus includes the first cylinder, is positioned at the first catch bar on the right side of described first cylinder, is positioned at institute
State the first sliding bar on the right side of the first catch bar, be positioned at the first support below described first cylinder
Plate, be positioned at the first arc on the right side of described first sliding bar, to be positioned at described first arc right
Second support column of side and the first drivewheel, support frame as described above includes the second vertical portion and is positioned at institute
State the second horizontal part on the left of the second vertical portion, described first arresting stop include the 3rd cylinder,
It is positioned at the 3rd catch bar on the left of described 3rd cylinder, is positioned on the left of described 3rd catch bar
Three sliding bars and be positioned at the first stop piece below described 3rd sliding bar, described second stops dress
Put and include the first fixed block, be positioned at the swingle below described first fixed block, be positioned at described rotation
The second fixed block below bull stick, it is positioned at the second stop piece below described second fixed block and position
Grip part on the left of described swingle.
Described body is cuboid, and the upper surface concave downward of described body forms one to recessed
Curved surface.
Described first support column is cuboid, the lower surface of described first support column and described body
Upper surface fixing connect, the upper end of described first support column turns with described follower shaft and is connected.
Described plain grinding bar upper and lower surface is the curved surface of concave downward, the upper surface of described plain grinding bar with
The lower surface of described connecting rod is fixing to be connected.
Described first sliding bar is L-shaped, and described first sliding bar includes the first vertical portion and is positioned at
The first horizontal part on the right side of described first vertical portion, the lower surface of described first vertical portion is with described
The upper surface slide of the first gripper shoe connects, the right surface of described first horizontal part and described first
The left surface of arc is fixing to be connected.
Stating the second support column is cuboid, the left surface of described second support column and described first arc
The right surface of shape plate is fixing to be connected, the right-hand member of described second support column and described first drive sprocket axle
Turn and connect.
Described 3rd sliding bar is cuboid, the upper surface and described second of described 3rd sliding bar
The lower surface of horizontal part is slidably connected.
Described first stop piece is bending, the upper surface of described first stop piece and the described 3rd
The lower surface of sliding bar is fixing to be connected.
Described grip part is Z-shaped, the right surface of described grip part and the left-handed watch of described swingle
Face is fixing to be connected.
Described swingle is cuboid, and the upper end of described swingle turns with described first fixed block axle
Connecting, the lower end of described swingle turns with described second fixed block axle and is connected.
After using technique scheme, present invention have the advantage that
The present invention is for the flat-grinding machine simple in construction of contact, easy to use, it is possible to carry out contact
Accurate polishing so that it is any surface finish smooths.Can more conveniently control the present invention to be used for simultaneously
The beginning of the flat-grinding machine of contact and stopping, when when meeting the requirements of polishing, can arbitrarily close this
Invention, for the flat-grinding machine of contact, reduces the waste of resource.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described further:
Fig. 1 is the present invention structural representation for the flat-grinding machine of contact；
Fig. 2 is that the present invention shown in Fig. 1 is for the partial enlargement of the aminoacyl site of the flat-grinding machine of contact
Figure.
Detailed description of the invention
As shown in Figures 1 and 2, the present invention includes base 1, position for the flat-grinding machine of contact
Support means 2 above described base 1, it is positioned at the plain grinding dress above described support means 2
Put 4, be positioned at the power set 3 of described plain grinding device 4 left and right sides, be positioned at described base 1
Top bracing frame 5, be positioned at the first arresting stop 6 above described plain grinding device 4 and be positioned at
The second arresting stop 7 on the left of described first arresting stop 6.
As shown in Figures 1 and 2, described base 1 is in cuboid.Described support means 2 includes
Body 21, it is positioned at some first support columns 22 above described body 21 and is positioned at described
Driven pulley 23 above one support column 22.Described body 21 in cuboid, described body 21
Upper surface concave downward formed one to recessed curved surface.Described first support column 22 is in rectangular
Body, the lower surface of described first support column 22 is fixing with the upper surface of described body 21 to be connected.
The upper end of described first support column 22 turns with described driven pulley 23 axle and is connected so that described driven
Wheel 23 can rotate in the upper end of described first support column 22.Described plain grinding device 4 includes putting down
Grinding barrel 41, it is positioned at the rotating shaft 42 within described plain grinding bucket 41, is positioned at below described rotating shaft 42
Connecting rod 43 and be positioned at the plain grinding bar 44 below described connecting rod 43.Described plain grinding bucket 41
In cylinder, described plain grinding bucket 41 be positioned at described driven pulley 23 top and with described driven pulley
23 contacts.Described rotating shaft 42 is in cylinder, and described rotating shaft 42 is positioned at described plain grinding bucket 41
The central authorities in portion.Described connecting rod 43 in cuboid, the upper end of described connecting rod 43 with described turn
Axle 42 is fixing to be connected.Described plain grinding bar 44 upper and lower surface is the curved surface of concave downward, described flat
The upper surface of mill bar 44 is fixing with the lower surface of described connecting rod 43 to be connected, described plain grinding bar
44 can reach more preferable plain grinding effect to described contact.
As shown in Figures 1 and 2, described power set 3 include being positioned at described plain grinding device 4
Left side left power set 31 and be positioned at the right power set 32 on the right side of described plain grinding device 4.
Described left power set 31 include the first cylinder 311, are positioned on the right side of described first cylinder 311
The first catch bar 312, be positioned at the first sliding bar 313 on the right side of described first catch bar 312,
It is positioned at the first gripper shoe 314 below described first cylinder 311, is positioned at described first sliding bar
The first arc 315 on the right side of in the of 313, it is positioned at second on the right side of described first arc 315
Dagger 316 and the first drivewheel 317.Described first gripper shoe 314 in cuboid, described
The right surface of one gripper shoe 314 is fixing with the left surface of described body 21 to be connected.Described first
The lower surface of cylinder 311 is fixing with the upper surface of described first gripper shoe 314 to be connected.Described
One catch bar 312 in cylinder, the left end of described first catch bar 312 and described first cylinder
311 connect so that described cylinder 311 can promote described first catch bar 312 to move left and right.
Described first sliding bar 313 is L-shaped, it include the first vertical portion and be positioned at described first vertical
The first horizontal part on the right side of portion, described first vertical portion is one-body molded with described first horizontal part,
The lower surface of described first vertical portion is connected with the upper surface slide of described first gripper shoe 314,
Described first sliding bar 313 can be horizontally slipped in described first gripper shoe 314.Institute
The left surface on the right surface and described first vertical portion of stating the first catch bar 312 is fixed and is connected.Institute
State described first horizontal position in the upper end of described first vertical portion.The right side of described first horizontal part
Surface is fixing with the left surface of described first arc 315 to be connected.Described first arc 315
In the bending caved in the left.Described second support column 316 is in cuboid, and described second supports
The left surface of post 316 is fixing with the right surface of described first arc 315 to be connected.Described second
The right-hand member of support column 316 turns with described first drivewheel 317 axle and is connected so that described first is main
Driving wheel 317 can rotate at the right-hand member of described second support column 316, described first drivewheel
317 are connected with motor (not shown), and described first drivewheel 317 is in the drive of described motor
Lower rotation.Described first drivewheel 317 contacts with described plain grinding bucket 41, and described first actively
Wheel 317 rotation time, described plain grinding bucket 41 under the drive of described first drivewheel 317 also with
Rotation, such that it is able to the contact within described plain grinding bucket 41 is carried out plain grinding process.Described
Right power set 32 also include the second cylinder 32, are positioned on the left of described second cylinder 32
Two catch bars 322, it is positioned at the second sliding bar 323 on the left of described second catch bar 322, position
The second gripper shoe 324 below described second cylinder 321, it is positioned at described second sliding bar 323
Left side the second arc 325, be positioned at the 3rd support column on the left of described second arc 325
326 and be positioned at the second drivewheel 327 on the left of described 3rd support column 326, described right power
The structure of device 32 is similar with the structure of described left power set 31, and both mirror images are placed,
Therefore do not repeat them here.
As shown in Figures 1 and 2, support frame as described above 5 includes the second vertical portion 51 and is positioned at institute
State the second horizontal part 52 on the left of the second vertical portion 51.Described second vertical portion 51 is with described
Second horizontal part 52 is one-body molded, described second vertical portion 51 head's cube, and described second erects
The lower surface in straight portion 51 is fixing with the right-hand member of described base 1 upper surface to be connected.Described second water
Flat portion 52 is positioned at the top of described second left surface, vertical portion 51.Described second horizontal part 52
Horizontal positioned.Described first arresting stop 6 includes the 3rd cylinder 61, is positioned at described 3rd gas
The 3rd catch bar 62 on the left of cylinder 61, to be positioned at the 3rd on the left of described 3rd catch bar 62 sliding
Lever 63 and be positioned at the first stop piece 64 below described 3rd sliding bar 63.Described 3rd
The upper surface of cylinder 61 is fixing with the lower surface of described second horizontal part 52 to be connected.Described 3rd
Catch bar 62 in cylinder, the right-hand member of described 3rd catch bar 62 and described 3rd cylinder 61
Connect, thus move left and right under the drive of described 3rd cylinder 61.Described 3rd sliding bar
63 in cuboid, the upper surface of described 3rd sliding bar 63 and described second horizontal part 52
Lower surface is slidably connected.Described first stop piece 64 in bending, described first stop piece 64
Cross section be moon shape.The upper surface of described first stop piece 64 and described 3rd sliding bar
The lower surface of 63 is fixing to be connected.The left surface of described first stop piece 64 is used for controlling described putting down
The rotation of grinding barrel 41.Described second arresting stop 7 include the first fixed block 72, be positioned at described
Swingle 73 below first fixed block 72, to be positioned at second below described swingle 73 solid
Determine block 74, be positioned at the second stop piece 75 below described second fixed block 74 and be positioned at described
Grip part 71 on the left of swingle 73.Described first fixed block 72 in cuboid, described
The upper surface of one fixed block 72 is fixing with the lower surface of described second horizontal part 52 to be connected.Described
Swingle 73 in cuboid, the upper end of described swingle 73 and described first fixed block 72 axle
Turn and connect so that described swingle 73 can be around being that described first fixed block 72 rotates.Institute
State the lower end of swingle 73 to turn with described second fixed block 74 axle and be connected so that described swingle
73 can rotate against by described second fixed block 74.The lower surface of described second fixed block 74
Fix with the left surface of described second stop piece 75 and be connected.Described second stop piece 75 is in bending
Shape, the cross section of described second stop piece 75 is moon shape, and described second stop piece 75 is used for
Control described plain grinding bucket 41 rotate and stop.Described grip part 71 in Z-shaped, described gripping
The right surface in portion 71 is fixing with the left surface of described swingle 73 to be connected.Described grip part 71
For controlling the rotation of described swingle 73.
As shown in Figures 1 and 2, when the described present invention flat-grinding machine for contact uses, first
Contact is positioned in described plain grinding bucket 41, then plain grinding bucket 41 is placed on described support and fills
Put above in the of 2, then start the first cylinder 311 and the second cylinder 321 so that described first is main
Driving wheel 317 and described second drivewheel 327 start to rotate under the effect of described motor, and first
Sliding bar 313 and the second sliding bar 323 are at described first cylinder 311 and the second cylinder 321
Move to described plain grinding bucket 41 under effect, when described first drivewheel 317 and the second drivewheel
327 when contacting with described plain grinding bucket 41, and described plain grinding bucket 41 starts to rotate, due to plain grinding bucket
41 coordinate described plain grinding bar 44 that described contact can be played more preferable plain grinding treatment effect.When
After polishing, start the 3rd cylinder 61 so that described first stop piece 64 starts toward described
Plain grinding bucket 41 direction is close, until it contacts with the outer surface of described plain grinding bucket 41, then to
Lower pressing grip part 71 so that described second stop piece 75 acts against described plain grinding bucket 41
On outer surface, until described plain grinding bucket 41 no longer rotates, then the first sliding bar 313 and
Two sliding bars 323 start to move, until being returned to former toward the direction away from described plain grinding bucket 41
The position come.So far, the present invention flat-grinding machine work for contact is complete.
Claims (10)
1. the flat-grinding machine for contact, it is characterised in that: the described flat-grinding machine bag for contact
Include base, be positioned at the support means above described base, be positioned at above described support means
Plain grinding device, be positioned at the described plain grinding device left and right sides power set, be positioned at described
Bracing frame above base, it is positioned at the first arresting stop above described plain grinding device and position
The second arresting stop on the left of described first arresting stop, described support means includes this
Body, it is positioned at some first support columns above described body and is positioned at described first support column
The driven pulley of top, described plain grinding device includes plain grinding bucket, is positioned at inside described plain grinding bucket
Rotating shaft, be positioned at the connecting rod below described rotating shaft and be positioned at below described connecting rod flat
Mill bar, described power set include being positioned at the left power set on the left of described plain grinding device and
Being positioned at the right power set on the right side of described plain grinding device, described left power set include first
Cylinder, be positioned at the first catch bar on the right side of described first cylinder, be positioned at described first promote
The first sliding bar on the right side of bar, it is positioned at the first gripper shoe below described first cylinder, position
The first arc on the right side of described first sliding bar, it is positioned on the right side of described first arc
The second support column and the first drivewheel, support frame as described above includes the second vertical portion and is positioned at
The second horizontal part on the left of described second vertical portion, described first arresting stop includes the 3rd
Cylinder, it is positioned at the 3rd catch bar on the left of described 3rd cylinder, is positioned at described 3rd promotion
The 3rd sliding bar on the left of bar and be positioned at the first stop piece below described 3rd sliding bar,
Described second arresting stop includes the first fixed block, is positioned at below described first fixed block
Swingle, be positioned at the second fixed block below described swingle, be positioned at described second fix
The second stop piece below block and be positioned at the grip part on the left of described swingle.
Flat-grinding machine for contact the most according to claim 1, it is characterised in that: described
Body is cuboid, and the upper surface concave downward of described body forms one to recessed curved surface.
Flat-grinding machine for contact the most according to claim 2, it is characterised in that: described
One support column is cuboid, the lower surface of described first support column and the upper table of described body
Face is fixing to be connected, and the upper end of described first support column turns with described follower shaft and is connected.
Flat-grinding machine for contact the most according to claim 3, it is characterised in that: described flat
Mill bar upper and lower surface is the curved surface of concave downward, the upper surface of described plain grinding bar and described company
The lower surface of extension bar is fixing to be connected.
Flat-grinding machine for contact the most according to claim 4, it is characterised in that: described
One sliding bar is L-shaped, and described first sliding bar includes the first vertical portion and is positioned at described
The first horizontal part on the right side of one vertical portion, the lower surface of described first vertical portion and described the
The upper surface slide of one gripper shoe connects, the right surface of described first horizontal part and described the
The left surface of one arc is fixing to be connected.
Flat-grinding machine for contact the most according to claim 5, it is characterised in that: described
Two support columns are cuboid, the left surface of described second support column and described first arc
Right surface fixing connect, the right-hand member of described second support column and described first drive sprocket axle
Turn and connect.
Flat-grinding machine for contact the most according to claim 6, it is characterised in that: described
Three sliding bars are cuboid, the upper surface of described 3rd sliding bar and described second horizontal part
Lower surface be slidably connected.
Flat-grinding machine for contact the most according to claim 7, it is characterised in that: described
One stop piece is bending, the upper surface of described first stop piece and described 3rd sliding bar
Lower surface fixing connect.
Flat-grinding machine for contact the most according to claim 8, it is characterised in that hold described in:
The portion of holding is Z-shaped, and the right surface of described grip part is fixed with the left surface of described swingle
Connect.
Flat-grinding machine for contact the most according to claim 9, it is characterised in that: described rotation
Bull stick is cuboid, and the upper end of described swingle turns with described first fixed block axle and is connected,
The lower end of described swingle turns with described second fixed block axle and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510100539.9A CN104625914B (en) | 2015-03-06 | 2015-03-06 | Flat grinding machine for contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510100539.9A CN104625914B (en) | 2015-03-06 | 2015-03-06 | Flat grinding machine for contact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104625914A CN104625914A (en) | 2015-05-20 |
| CN104625914B true CN104625914B (en) | 2017-01-11 |
Family
ID=53205389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510100539.9A Expired - Fee Related CN104625914B (en) | 2015-03-06 | 2015-03-06 | Flat grinding machine for contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104625914B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234778B (en) * | 2015-10-30 | 2017-12-26 | 福建鑫威电器有限公司 | A kind of contact solder contacts sanding apparatus and its processing method |
| CN106166693B (en) * | 2016-08-27 | 2018-08-17 | 绍兴可图针纺有限公司 | A kind of efficient grinding device of crop tool |
| CN106425760B (en) * | 2016-11-17 | 2018-08-14 | 南安市智德机械设备有限公司 | A kind of hardware grinding device with fixing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1035074A (en) * | 1987-12-28 | 1989-08-30 | 狄普敦股份有限公司 | All-automatic multipurpose barrel grinder |
| JPH04250975A (en) * | 1990-12-28 | 1992-09-07 | Nidek Co Ltd | Barrel polishing jig for contact lens supporting member |
| CN2243365Y (en) * | 1996-03-07 | 1996-12-25 | 师大庆 | High speed centrifugal rolling polisher |
| TWM270875U (en) * | 2004-09-06 | 2005-07-21 | Rich Sou Entpr Co Ltd | Improved structure for drum type sand hitting machine |
| CN2796943Y (en) * | 2004-11-18 | 2006-07-19 | 大锼企业股份有限公司 | Rust removing device of bolt and nut |
| CN202264122U (en) * | 2011-09-27 | 2012-06-06 | 宁波电工合金材料有限公司 | Flat grinding machine for contacts |
-
2015
- 2015-03-06 CN CN201510100539.9A patent/CN104625914B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1035074A (en) * | 1987-12-28 | 1989-08-30 | 狄普敦股份有限公司 | All-automatic multipurpose barrel grinder |
| JPH04250975A (en) * | 1990-12-28 | 1992-09-07 | Nidek Co Ltd | Barrel polishing jig for contact lens supporting member |
| CN2243365Y (en) * | 1996-03-07 | 1996-12-25 | 师大庆 | High speed centrifugal rolling polisher |
| TWM270875U (en) * | 2004-09-06 | 2005-07-21 | Rich Sou Entpr Co Ltd | Improved structure for drum type sand hitting machine |
| CN2796943Y (en) * | 2004-11-18 | 2006-07-19 | 大锼企业股份有限公司 | Rust removing device of bolt and nut |
| CN202264122U (en) * | 2011-09-27 | 2012-06-06 | 宁波电工合金材料有限公司 | Flat grinding machine for contacts |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104625914A (en) | 2015-05-20 |
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