CN109894552A - A kind of bearing ring ring rolls of the accurate rolling ring number of notifying - Google Patents
A kind of bearing ring ring rolls of the accurate rolling ring number of notifying Download PDFInfo
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- CN109894552A CN109894552A CN201910165956.XA CN201910165956A CN109894552A CN 109894552 A CN109894552 A CN 109894552A CN 201910165956 A CN201910165956 A CN 201910165956A CN 109894552 A CN109894552 A CN 109894552A
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- roller
- ring
- lasso
- contact block
- shell
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Abstract
The invention discloses a kind of bearing ring ring rolls of accurate rolling ring number of notifying, its structure includes driven roller, guide roller, precise signal reaction system, mandrel, lasso, cone roller, mandrel bottom end and driven roller mechanical connection, mandrel exterior is cased with lasso, ferrule tip face and cone roller movable contact, the lasso other end opposite with cone roller is equipped with driven roller, driven roller is located at outside lasso, the horizontal two sides of driven roller are equipped with two guide rollers, precise signal reaction system is installed between guide roller and cone roller, the present invention passes through supporting structure, connecting rod, react the common cooperation such as mobile roller, two methods stop rolling after realizing the accurate roller-compaction for having outer ring surface upper and lower ends raised round table-like lasso, and double-contact designs, it could be triggered after only rolling size qualification, realize that accurately rolling the number of notifying stops the purpose rolling, reduce process.
Description
Technical field
The present invention relates to bearing mnanufacture technical fields, grind particularly with regard to a kind of bearing ring of accurate rolling ring number of notifying
Ring machine.
Background technique
During the processing and manufacturing of bearing blowout patche, it is compressed into type using ring rolls after the material heat treatment that needs a person with the qualifications of a general, is ground
The driven roller active rotation of ring machine, drives annular base rotation, and annular base drives core roller to rotate again.Simultaneously between driven roller and core roller
Centre distance is gradually reduced, i.e., the thickness of annular base is gradually reduced, and diameter is gradually expanded, the section shape required for being formed
Shape, however current signal structure is substantially cylindrical structure, for outer ring surface upper and lower ends have protrusion round table-like lasso and
Speech, often the protrusion on lasso bottom or top, which has not been completed, just stops rolling, and needs to be again started up processing, or even need again
It is reprocessed after heat treatment, time-consuming.
Summary of the invention
In view of the deficiencies of the prior art, the present invention is to realize by the following technical solutions: a kind of accurate rolling ring is notified
Number bearing ring ring rolls, structure includes driven roller, guide roller, precise signal reaction system, mandrel, lasso, cone roller, institute
Mandrel bottom end and driven roller mechanical connection are stated, the mandrel exterior is cased with lasso, the ferrule tip face and cone roller movable contact,
The lasso other end opposite with cone roller is equipped with driven roller, and the driven roller is located at outside lasso, the horizontal two sides peace of driven roller
Equipped with two guide rollers, precise signal reaction system, the precise signal reaction system are installed between the guide roller and cone roller
System includes supporting structure, connecting rod, reaction mobile roller, stroke reaction axis, and the supporting structure is vertically fixed on the operation of ring rolls
On desktop, the reaction mobile roller is suspended on supporting structure middle and bottom end is not with operating table face contact, and the stroke is anti-
Axis is answered to be fixedly connected by connecting rod with supporting structure, the reaction mobile roller close to lasso and therewith movable contact.
As advanced optimizing for the technical program, the reaction mobile roller upper and lower ends are equipped with two mutual extensions
Axis, and the extending shaft on top and the other end will be grown, and are suitble to round table-like bearing ring, accomplished top and bottom while touching,
It triggers stroke and reacts axis.
As advanced optimizing for the technical program, the supporting structure is made of nut, rounding table, threaded post, described
Threaded post is that the different cylinder end face vertical welding of two diameters forms, and the central axes of two cylinders are in same straight line
On, external screw thread has been engraved in that lesser root cylinder upper and lower ends outer surface of diameter, there are two the nut is set, covers in nut activity
On the lesser cylinder of diameter, it is also movably installed with rounding table on the cylinder between two nuts, underlying nut and straight
Reaction mobile roller suspended on by strut between the longer cylindrical tip face of diameter, and be equipped between rounding table and another nut
Connecting rod.
As advanced optimizing for the technical program, the stroke reaction axis includes collets, the first quiet contact block, bearing
Ring, shell, dynamic contact roller, the first electric wire, the second contact block, the second electric wire, the interior of shell top are mounted with first and quiet connect
Contact block, the first quiet contact block, which powers on, is connected to the first electric wire, and the first wire terminations run through the drive system of outer casing bottom and driven roller
Electrical connection, the other end opposite with the first quiet contact block are equipped with dynamic contact roller, and the dynamic contact roller middle is solid by support ring
It is scheduled on outer casing inner wall, the dynamic contact roller upper and lower ends other end opposite with the first quiet contact block is all wrapped in collets, institute
It states collets and faces the window that shell opens, extending shaft movable contact on the collets and reaction mobile roller, described move connects
The touching roller bottom end side opposite with collets is mounted with the second contact block, and second contact block, which powers on, is connected to the second electric wire, the
Two wire terminations run through outer casing bottom, connect with the accumulating system electricity of ring rolls.
As advanced optimizing for the technical program, the first quiet contact block is placed on inside a groove body head end,
This groove body is that top end face is openning shape, and the welding of groove body other end level is in the inside of shell, in order to guarantee dynamic contact roller
The second contact block can be accurately touched in moving process, will not be deviated, and lead to not be powered.
As advanced optimizing for the technical program, the support ring is made of ring body, washer, shaft, crossbeam, the ring
Internal surface glue is connected to one layer of washer, and the ring body exterior surface sets that there are two mutually symmetrical with shaft, the shaft and ring body water
Flat welded, the shaft ending vertical are equipped with crossbeam, the crossbeam and shaft and are locked by fixture nut, and the beam-ends are solid
The cased wall in Dingan County.
As advanced optimizing for the technical program, washer ring-type made of the casting of rubber elastomeric material
Body.
As advanced optimizing for the technical program, the dynamic contact roller is that two conductive rods overlap, anti-
Bending can be occurred by answering under the impetus of mobile roller then restores under the rebound of washer automatically again.
Beneficial effect
A kind of bearing ring ring rolls of the accurate rolling ring number of notifying of the present invention has the advantage that compared with prior art
1. reaction mobile roller is locked directly in threaded post using nut by the present invention, rotate it not, once lasso
The extending shaft of the size qualification being rolled, lasso and dynamic contact roller contacts with each other, and extending shaft and lasso rub during rotation
It wipes greatly, lasso tapers off rotation, that is, completes the process.
2. the present invention can also react the common cooperation of mobile roller, stroke reaction axis, supporting structure, it is rolled using lasso outer
Expand gradually driving a reaction mobile roller react axis with stroke and mutually touch, and designed using the dynamic double-contact for contacting roller, for rotary table
The convex outer surfaces of shape lasso move contact roller both ends all no all contacts the first quiet contact block, the second contact block, just can not circuit
Connection issues stop signal.
3. groove body of the present invention is set up, on the one hand guides dynamic contact roller and the second contact block accurately contacts, do not occur
Deviation is powered and stablizes, and is on the other hand also the support as dynamic contact roller, and the bending place of dynamic contact roller faces washer, will not
It falls.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is a kind of schematic top plan view of the bearing ring ring rolls partial structurtes of the accurate rolling ring number of notifying of the present invention.
Fig. 2 is diagrammatic cross-section when precise signal reaction system of the present invention is not used.
Fig. 3 is the schematic diagram of the section structure when precise signal reaction system of the present invention uses.
Fig. 4 is the schematic perspective view of threaded post of the present invention.
Fig. 5 is the schematic perspective view of present invention reaction mobile roller.
Fig. 6 is the overlooking structure diagram of support ring of the present invention.
Fig. 7 is the schematic perspective view of the dynamic contact roller of the present invention.
In figure: driven roller 1, guide roller 2, precise signal reaction system 3, mandrel 4, lasso 5, cone roller 6, supporting structure 31,
Connecting rod 32, reaction mobile roller 33, stroke react axis 34, extending shaft 331, nut 311, rounding table 312, threaded post 313, collets
341, the first quiet contact block 342, support ring 343, shell 344, dynamic contact roller 345, the first electric wire 346, the second quiet contact block
347, the second electric wire 348, groove body s, ring body a, washer b, shaft c, crossbeam d.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment and Detailed description of the invention, the preferred embodiment that the present invention is further explained.
Embodiment
Fig. 1-Fig. 7 is please referred to, the present invention provides a kind of bearing ring ring rolls of accurate rolling ring number of notifying, and structure includes
Driven roller 1, guide roller 2, precise signal reaction system 3, mandrel 4, lasso 5, cone roller 6,4 bottom end of mandrel and 1 machine of driven roller
Tool connects, and is cased with lasso 5,5 top end face of lasso and 6 movable contact of cone roller, the set opposite with cone roller 6 outside the mandrel 4
5 other ends are enclosed equipped with driven roller 1, the driven roller 1 is located at outside lasso 5, and the horizontal two sides of the driven roller 1 are equipped with two and lead
To roller 2, precise signal reaction system 3 is installed between the guide roller 2 and cone roller 6.
The precise signal reaction system 3 includes supporting structure 31, connecting rod 32, reacts mobile roller 33, stroke reaction axis 34,
The supporting structure 31 is vertically fixed on the operation desktop of ring rolls, and the reaction mobile roller 33 is being suspended on supporting structure 31 just
Not with operating table face contact, the stroke reaction axis 34 is fixedly connected by connecting rod 32 with supporting structure 31 for intermediate and bottom end,
The reaction mobile roller 33 close to lasso 5 and therewith movable contact.
Reaction 33 upper and lower ends of mobile roller are equipped with two mutual extending shafts 331, and the extending shaft 331 on top is simultaneously another
Growing for one end, is suitble to round table-like bearing ring, accomplishes top and bottom while touching, and triggering stroke reacts axis 34.
The supporting structure 31 is made of nut 311, rounding table 312, threaded post 313, and the threaded post 313 is two straight
Diameter cylinder end face vertical welding of different sizes forms, and the central axes of two cylinders, on same straight line, diameter is lesser
External screw thread has been engraved in that root cylinder upper and lower ends outer surface, there are two the nut 311 is set, covers in 311 activity of nut in diameter
On lesser cylinder, rounding table 312, underlying 311 He of nut are also movably installed on the cylinder between two nuts 311
It suspended between the longer cylindrical tip face of diameter by strut and react mobile roller 33, and rounding table 312 and another nut 311
Between connecting rod 32 is installed.
Stroke reaction axis 34 includes collets 341, the first quiet contact block 342, support ring 343, shell 344, dynamic connects
Roller 345, the first electric wire 346, the second quiet contact block 347, the second electric wire 348 are touched, 344 inner tip of shell is mounted with first
Quiet contact block 342, the first quiet contact block 342, which powers on, is connected to the first electric wire 346, and 344 bottom of shell is run through in 346 end of the first electric wire
The electrical connection of the drive system of portion and driven roller 1, the other end opposite with the first quiet contact block 342 are equipped with dynamic contact roller 345, institute
It states contact 345 middle of roller and 344 inner wall of shell is fixed on by support ring 343, dynamic 345 upper and lower ends of contact roller and the
The opposite other end of one quiet contact block 342 is all wrapped in collets 341, and the collets 341 face the window that shell 344 opens
Mouthful, 331 movable contact of extending shaft, dynamic 345 bottom end of contact roller and collets on the collets 341 and reaction mobile roller 33
341 opposite sides are mounted with the second quiet contact block 347, and the second quiet contact block 347, which powers on, is connected to the second electric wire 348, the
344 bottom of shell is run through in two electric wires, 348 end, connects with the accumulating system electricity of ring rolls.
The first quiet contact block 342 is placed on inside a groove body s head end, this groove body s is that top end face is to open
Mouth shape, the welding of groove body s other end level is in the inside of shell 344, in order to guarantee that dynamic contact roller 345 can in moving process
The second quiet contact block 347 accurately is touched, will not deviate, lead to not be powered.
The support ring 343 is made of ring body a, washer b, shaft c, crossbeam d, and the ring body a inner surface splicing has one layer
The outer surface washer b, the ring body a sets that there are two mutually symmetrical with shaft c, the shaft c and ring body a levels to weld, the axis
Bar c ending vertical is equipped with crossbeam d, the crossbeam d and shaft c and is locked by fixture nut, and the end the crossbeam d is fixedly mounted on
344 inner wall of shell.
Washer b ring bodies made of the casting of rubber elastomeric material, on the one hand itself material has elasticity
Performance can rebound after dynamic contact roller 345 is bent, and power down function be realized, on the other hand, as this elastic material of rubber
Be belong to insulating materials will not be conductive, electric shock accidents will not occur.
The dynamic contact roller 345 is that two conductive rods overlap, the energy under the impetus of reaction mobile roller 33
It is enough that bending occurs then and is restored automatically under the rebound of washer b.
1 active rotation of driven roller drives lasso 5 to rotate, and lasso 5 drives core roller to rotate again, while between rolling wheel and core roller
Centre distance be gradually reduced, i.e. the thickness of lasso 5 is gradually reduced, and diameter is gradually expanded, the section shape required for being formed
Shape, in this process, the extending shaft 331 reacted on mobile roller 33 are pushed out by the lasso 5 that diameter becomes larger, reaction movement
Roller 33 is rotated around 31 center of supporting structure, and after extending shaft 331 touches collets 341, gradually he is inwardly pushed away, and moves contact roller
345 middles are limited by support ring 343, are bent, move contact 345 both ends of roller respectively with the first quiet contact block 342 and second
Quiet contact block 347 contacts, and allows the circuit communication of the first electric wire 346 and the second electric wire 348, this is designed for double-contact, groove body s's
It sets up, accurately touches the second quiet contact block 347 after on the one hand guide dynamic contact roller 345 movement, will not deviate, cause
It can not be powered, on the other hand be also the support as dynamic contact roller 345, will not fall.
Double-contact design, if the convex outer surfaces off-dimension of round table-like lasso cannot push two pieces of collets simultaneously
Move in 341 or one of collets 341 in advance from inadequate, i.e., the curvature that dynamic contact roller 345 is bent is inadequate, dynamic to connect
Touching roller 345 can not wherein contact one end with the first quiet contact block 347 of quiet contact block 342 or the second, the first electric wire 346 and the second electricity
348 circuit of line is not connected to, and can not be connect with the drive system of ring rolls, and stop signal is issued；
Stopping then removing the lasso 5 for having completed to roll after rolling, and moves contact roller 345 and lacks compacting, the pass of bending
It is rebounded again by washer b at section, dynamic contact 345 both ends of roller are separated with the first quiet contact block 342, the second quiet contact block 347, are realized disconnected
Electricity.
Problems solved by the invention is that current signal structure is substantially cylindrical structure, is had for outer ring surface upper and lower ends
For the round table-like lasso of protrusion, often the protrusion on lasso bottom or top is had not been completed with regard to stopping rolling, and needs to open again
Dynamic processing, or even reprocessed after needing to be heat-treated again, time-consuming, and the present invention is combined with each other by above-mentioned component, the present invention
By common cooperations such as supporting structure 31, connecting rod 32, reaction mobile rollers 33, two methods realization has outer ring surface upper and lower ends convex
Stop rolling after the accurate roller-compaction of the round table-like lasso risen, and double-contact designs, and could touch after only rolling size qualification
Hair realizes that accurately rolling the number of notifying stops the purpose rolling, reduces process, improves efficiency.
The basic principles, main features and advantages of the present invention have been shown and described above, the technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention can not only be realized in other specific forms under the premise of not departing from spirit of that invention or essential characteristic
The present invention will also have various changes and improvements, these changes and improvements both fall within scope of the claimed invention, therefore this hair
Bright claimed range is defined by appended claims and its equivalent, rather than above description limits.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of bearing ring ring rolls of the accurate rolling ring number of notifying, structure includes driven roller (1), guide roller (2), accurate letter
Number reaction system (3), mandrel (4), lasso (5), cone roller (6), mandrel (4) bottom end and driven roller (1) mechanical connection, it is described
It is cased with lasso (5) outside mandrel (4), lasso (5) top end face and cone roller (6) movable contact, the opposite lasso with cone roller (6)
(5) other end is equipped with driven roller (1), and the driven roller (1) is located at lasso (5) outside, the horizontal two sides installation of driven roller (1)
There are two guide rollers (2), precise signal reaction system (3) is installed between the guide roller (2) and cone roller (6), feature exists
In:
The precise signal reaction system (3) includes supporting structure (31), connecting rod (32), reaction mobile roller (33), stroke reaction
Axis (34), the supporting structure (31) are vertically fixed on the operation desktop of ring rolls, and the reaction mobile roller (33) is suspended on
Not with operating table face contact, stroke reaction axis (34) is by connecting rod (32) and props up for supporting structure (31) middle and bottom end
Bearing structure (31) is fixedly connected, the reaction mobile roller (33) close lasso (5) and therewith movable contact.
2. a kind of bearing ring ring rolls of accurate rolling ring number of notifying according to claim 1, it is characterised in that: described anti-
Mobile roller (33) upper and lower ends are answered to be equipped with two mutual extending shafts (331), and the extending shaft (331) on top and the other end are wanted
It is long.
3. a kind of bearing ring ring rolls of accurate rolling ring number of notifying according to claim 1, it is characterised in that: the branch
Bearing structure (31) is made of nut (311), rounding table (312), threaded post (313), and the threaded post (313) is that two diameters are big
Small different cylinder end face vertical welding forms, and the central axes of two cylinders are on same straight line, that lesser root of diameter
External screw thread has been engraved in cylinder upper and lower ends outer surface, there are two the nut (311) sets, covers in nut (311) activity in diameter
On lesser cylinder, rounding table (312), underlying nut are also movably installed on the cylinder between two nuts (311)
(311) between the longer cylindrical tip face of diameter by strut suspended on reaction mobile roller (33), and rounding table (312) and separately
Connecting rod (32) are installed between one nut (311).
4. a kind of bearing ring ring rolls of accurate rolling ring number of notifying according to claim 1, it is characterised in that: the row
Cheng Fanying axis (34) includes collets (341), the first quiet contact block (342), support ring (343), shell (344), dynamic contact roller
(345), the first electric wire (346), the second quiet contact block (347), the second electric wire (348), shell (344) the inner tip placement
There is the first quiet contact block (342), the first quiet contact block (342), which powers on, to be connected to the first electric wire (346), the first electric wire (346) end
Through shell (344) bottom, and the other end opposite with the first quiet contact block (342) is equipped with dynamic contact roller (345), and described move connects
Touching roller (345) middle is fixed on shell (344) inner wall by support ring (343), dynamic contact roller (345) upper and lower ends and
The opposite other end of first quiet contact block (342) is all wrapped in collets (341), and the collets (341) face shell
(344) extending shaft (331) movable contact in the window that open, the collets (341) and reaction mobile roller (33), described move connect
Touching roller (345) bottom end and collets (341) opposite side are mounted with the second quiet contact block (347), the second quiet contact block
(347) it powers on and is connected to the second electric wire (348), shell (344) bottom is run through in the second electric wire (348) end.
5. a kind of bearing ring ring rolls of accurate rolling ring number of notifying according to claim 4, it is characterised in that: described
One quiet contact block (342) is placed on inside groove body (s) head end, this groove body (s) is that top end face is openning shape, groove
Body (s) other end level is welded in the inside of shell (344).
6. a kind of bearing ring ring rolls of accurate rolling ring number of notifying according to claim 4, it is characterised in that: the branch
Carrier ring (343) is made of ring body (a), washer (b), shaft (c), crossbeam (d), and ring body (a) the inner surface splicing has one layer of pad
It encloses (b), ring body (a) outer surface is set there are two mutually symmetrical with shaft (c), and shaft (c) ending vertical is equipped with crossbeam
(d), crossbeam (d) end is fixedly mounted on shell (344) inner wall.
7. a kind of bearing ring ring rolls of accurate rolling ring number of notifying according to claim 4, it is characterised in that: described dynamic
Contact roller (345) is that two conductive rods overlap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910165956.XA CN109894552B (en) | 2019-03-06 | 2019-03-06 | Bearing ring rolling machine capable of accurately rolling ring and reporting signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910165956.XA CN109894552B (en) | 2019-03-06 | 2019-03-06 | Bearing ring rolling machine capable of accurately rolling ring and reporting signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109894552A true CN109894552A (en) | 2019-06-18 |
| CN109894552B CN109894552B (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910165956.XA Active CN109894552B (en) | 2019-03-06 | 2019-03-06 | Bearing ring rolling machine capable of accurately rolling ring and reporting signal |
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| Country | Link |
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| CN (1) | CN109894552B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3824820A (en) * | 1972-05-09 | 1974-07-23 | Rheinstahl Ag | Ring rolling mill |
| SU596346A1 (en) * | 1975-01-03 | 1978-03-05 | Предприятие П/Я Р-6639 | Arrangement for automatically varying the displacement rate of support rollers of ring-rolling mill |
| SU654336A1 (en) * | 1976-12-13 | 1979-03-30 | Пермский Моторостроительный Завод Им.Я.М.Свердлова | Disengaging device to ring-expanding machine |
| JPS54102281A (en) * | 1978-01-31 | 1979-08-11 | Mitsubishi Heavy Ind Ltd | Rolling apparatus for ring body |
| JPH07185711A (en) * | 1993-12-28 | 1995-07-25 | Daido Kikai Seisakusho:Kk | Rolling mill |
| CN201773307U (en) * | 2010-07-22 | 2011-03-23 | 江阴恒祥科技有限公司 | Rolling wheel numerical control system |
| CN208495667U (en) * | 2018-06-22 | 2019-02-15 | 河南中原特钢装备制造有限公司 | A kind of tool tooling producing cutter ring product |
-
2019
- 2019-03-06 CN CN201910165956.XA patent/CN109894552B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3824820A (en) * | 1972-05-09 | 1974-07-23 | Rheinstahl Ag | Ring rolling mill |
| SU596346A1 (en) * | 1975-01-03 | 1978-03-05 | Предприятие П/Я Р-6639 | Arrangement for automatically varying the displacement rate of support rollers of ring-rolling mill |
| SU654336A1 (en) * | 1976-12-13 | 1979-03-30 | Пермский Моторостроительный Завод Им.Я.М.Свердлова | Disengaging device to ring-expanding machine |
| JPS54102281A (en) * | 1978-01-31 | 1979-08-11 | Mitsubishi Heavy Ind Ltd | Rolling apparatus for ring body |
| JPH07185711A (en) * | 1993-12-28 | 1995-07-25 | Daido Kikai Seisakusho:Kk | Rolling mill |
| CN201773307U (en) * | 2010-07-22 | 2011-03-23 | 江阴恒祥科技有限公司 | Rolling wheel numerical control system |
| CN208495667U (en) * | 2018-06-22 | 2019-02-15 | 河南中原特钢装备制造有限公司 | A kind of tool tooling producing cutter ring product |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109894552B (en) | 2020-08-18 |
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Effective date of registration: 20200728 Address after: 350300 No.184, Dongsheng Village Road East, Shapu Town, Fuqing City, Fuzhou City, Fujian Province Applicant after: Lin Xiaofeng Address before: 362300 Xinmei Road 262, Nanan City, Quanzhou City, Fujian Province Applicant before: NAN'AN QIXING MACHINERY TRADING Co.,Ltd. |
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Effective date of registration: 20221014 Address after: 271000 Paitianmen Street, High tech Zone, Tai'an City, Shandong Province Patentee after: Tai'an Baoju Machinery Technology Co.,Ltd. Address before: 350300 No.184, Dongsheng Village Road East, Shapu Town, Fuqing City, Fuzhou City, Fujian Province Patentee before: Lin Xiaofeng |