CN205166562U - Bent axle lapping machine - Google Patents
Bent axle lapping machine Download PDFInfo
- Publication number
- CN205166562U CN205166562U CN201521004437.9U CN201521004437U CN205166562U CN 205166562 U CN205166562 U CN 205166562U CN 201521004437 U CN201521004437 U CN 201521004437U CN 205166562 U CN205166562 U CN 205166562U
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- CN
- China
- Prior art keywords
- installation
- mounting rod
- installation shaft
- bent axle
- stiff 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.)
- Expired - Fee Related
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- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a bent axle lapping machine, its technical scheme main points are including setting up the fixture and grinding mechanism on the workstation, the workstation is still including being used for the drive to grind the drive arrangement that the mechanism removed, drive arrangement is including installation axle and drive installation axle axial displacement's driving machine, grind the mechanism and installing epaxial carousel including two installation poles with wearing to establish, carousel rotatable coupling is epaxial in the installation, the tip of two installation poles is articulated the setting, two installation poles are equipped with convex conflict relatively and detain, it to become complete ring around articulated department pivoted in -process lock at the installation pole to contradict to detain for two, the other end of installation pole department articulated for the tip is equipped with clamping device, one of them installation pole is eccentric articulated with the carousel. Grind the simple structure of mechanism, consequently convenient equipment, maintenance and use are favorable to reducing equipment cost, are favorable to extensively using widely, be favorable to extending grinding device's application scope simultaneously.
Description
Technical field
The utility model relates to Production of Crankshaft apparatus field, and more particularly, it relates to a kind of crankshaft grinder bed.
Background technology
Bent axle is most important parts in engine.It bears the power that connecting rod transmits, and is changed into torque and exported by bent axle and drive other operate accessories on engine.Bent axle is subject to the acting in conjunction of the centrifugal force of gyrating mass, the gas inertia power of mechanical periodicity and reciprocal inertia force, makes bent axle bear the effect of flexion torsion load.Therefore require that bent axle has enough strength and stiffness, journal surface need wear-resisting, work evenly, balance is good.
Crankshaft processing technology flow process has: 1, blank is made an inventory, 2, end face milling, 3, milling two women's head-ornaments mass center hole, 4, milling location clamping area, 5, rough turn axle journal and termination connecting rod neck, 6, bore oil hole, 7, make an inventory oilhole two face, 8, finish turning axle journal nine, finish turning end face, 10, finish turning 1, 4 connecting rods, 11, finish turning 2, 3 connecting rods, 12, roll extrusion, 13, fine grinding cone pulley, gear and Front oil seal axle journal, 14, finish turning thrust surface, end face of flange and locating journal, 15, fine grinding trunnion and Rear oil seal axle journal, 16, fine grinding rod journal, 17, keyseat, 18, oil hole orifice chamfer, 19, wash, 20, oilhole mouth throws mouth, 21, dynamic balanced, 22, subtract the balanced duplicate removal of outer supplement, 23, clearance keyway and oil hole, 24, polishing, 25, clearance, 26, inspection eventually, 27, antirust.
At present, the application number on market be 201310748365.8 Chinese patent disclose a kind of trunnion polishing lathe of bent axle, it comprises clamp system and workpiece polishing mechanism; The trunnion polishing lathe of bent axle, comprise clamp system and workpiece polishing mechanism, directly place on lathe by bent axle, taper thimble one and taper thimble two insert in the cone shaped countersink of crankshaft two end, bent axle clamped by two pieces of fixture blocks, adopts driving lever to stir the trunnion of crankshaft rotating polishing bent axle.
During polishing, advance in tractive driven by motor sand ribbon, sand ribbon, driven by motor mount pad slidably reciprocates along slide rail, realize sand ribbon to polish to the trunnion of bent axle, during polishing bent axle, directly bent axle is placed in positioning pillars one and positioning pillars two, bent axle accommodates by the cone shaped countersink that taper thimble one and taper thimble two insert crankshaft two end, although easily easily there is catcher mark in the bent axle that avoiding needs the existing bent axle clamping technique of staff to cause, avoid follow-up polishing and accommodate impression, but need workpiece polishing mechanism to drive sand ribbon friction bent axle, therefore there is following problem in this structure: 1, workpiece polishing mechanism complex structure, therefore this workpiece polishing mechanism of use technology costly, be unfavorable for extensively promoting the use of, 2, the clamping fixed block width dimensions of workpiece polishing mechanism is fixing, workpiece polishing mechanism slippage on guide rail can be driven by motor in bruting process, and by this drives structure, workpiece polishing mechanism is moved, not only complex structure assembling is loaded down with trivial details, simultaneously which is more suitable for drive workpiece polishing mechanism, and if if workpiece polishing mechanism only has one, so once can only polish one during bent axle polishing and turn footpath, cause the multiple footpath of turning of bent axle to polish length consuming time, working (machining) efficiency is low, 3 and if lathe is configured with multiple workpiece polishing mechanism when polishing to bent axle simultaneously, although be conducive to increasing work efficiency, configuration structure is many, and only tractive motor in sand ribbon just needs multiple stage, considerably increases use cost, is unfavorable for extensive popularization.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of structure simple and the crankshaft grinder bed that grinding effect is good, and the grinding size of this lapping machine is adjustable.
For achieving the above object, the utility model provides following technical scheme: a kind of crankshaft grinder bed, comprise setting clamping device on the table and grinding mechanism, described workbench also includes the drive unit for driving grinding mechanism movement, described drive unit includes the driving machine that installation shaft and drive installation axle move axially, described grinding mechanism includes two mounting rods and wears rotating disk on the mounting shaft, described rotating disk is rotationally connected with in installation shaft, the end of two mounting rods is hinged setting, two mounting rods are provided with the conflict button of circular arc relatively, complete circle is buckled in the process that two buttons of conflicting can rotate around hinged place at mounting rod, described mounting rod is provided with clamping device relative to the other end of hinged place, end, one of them mounting rod and rotating disk bias hinged.
By adopting technique scheme, first in conflict button, be fitted with sand paper, then be fastened on conflicting and to be processed turn surface, footpath, sand paper is conflicted and turns footpath outer surface, treat that bent axle is in rotation, and bent axle mounting rod Eccentric-hinge in rotation process is connected on rotating disk, even if therefore the footpath of turning of bent axle is eccentric rotary, also can be rotated in dish rotation process by mounting rod and conflict button is fastened on all the time turn footpath outer wall, thus realize the grinding of bent axle.The structure of this crankshaft grinder bed is simple, ease of assembly, maintenance and use, is therefore conducive to reducing equipment cost, is conducive to extensively promoting the use of; And being conflicted by sand paper by button of conflicting in process of lapping is turning on the outer wall of footpath, be conducive to improving sand paper and the uniformity coefficient of bent axle surface contact in the process of simultaneously turning crankshaft, be therefore conducive to raising grinding effect.Simultaneously when the width turning footpath is larger, and the width of button of conflicting less time, need by the axial movable roundabout of drive unit, make the mounting rod hinged with it drive conflict to be buckled in and turn slip at wall outside footpath, be buckled in increase to conflict the range of work turned on footpath, be conducive to the scope of application expanding milling apparatus.
The utility model is set to further: described workbench is provided with the mount pad for installation shaft erection, is embedded with linear bearing in described mount pad, and described installation shaft is provided with the spacing ring that move axially of restriction grinding mechanism along installation shaft.
By adopting technique scheme, installation shaft is installed on workbench through after rotating disk by bearing block, is equipped with linear bearing, facilitates installation shaft along axis direction slippage in bearing block; Although rotating disk can realize rotating on the mounting shaft simultaneously, but rotating disk is by being provided with spacing ring at its two ends, spacing ring is by being threaded on the mounting shaft, move axially in case spline dish produces on the mounting shaft, avoiding driving machine can not arrive rotating disk when pushing installation shaft to move, being therefore conducive to the stability improving transmission.
The utility model is set to further: described driving machine is cylinder, the piston rod of described cylinder and one end of installation shaft hinged.
By adopting technique scheme, the piston rod of cylinder and installation shaft can be avoided to need when mounted, in coaxial configuration, by hinged connected mode, the piston rod of cylinder and installation shaft can be allowed to there is certain angle and install, therefore greatly can reduce assembly precision, be conducive to reducing and degree of difficulty is installed.
The utility model is set to further: described clamping device includes main stiff end and from stiff end, and described clamping device also includes rotary electric machine for driving main stiff end to rotate and for driving the travel mechanism from stiff end movement.
By adopting technique scheme, main stiff end can adopt scroll chuck to clamp bent axle one end, thimble can be adopted to withstand the other end of bent axle from stiff end, bent axle one end is clamped by scroll chuck during use, travel mechanism pushes the other end that thimble withstands bent axle, then rotary electric machine drives crank rotation, thus realizes the smooth rotation of bent axle.
The utility model is set to further: the flexible pad of described conflict button internal fixtion.
By adopting technique scheme, after conflict button fastens also ringwise, the internal diameter of cushion is not more than the external diameter turning footpath to cushion, greatly reduces the dimensional fits precision of cushion, also be conducive to improving sand paper simultaneously and contact at the uniformity coefficient turning footpath outer wall, effectively raise grinding effect.
The utility model is set to further: described clamping device includes gripper cylinder, and described gripper cylinder is connected on the mounting rod hinged with rotating disk, and the piston rod of described gripper cylinder is provided with the clamping button fastening another mounting rod.
By adopting technique scheme, be connected with gripper cylinder relative to its other end with another mounting rod hinged place with the hinged mounting rod of rotating disk, when fastening conflict button, by gripper cylinder, two mounting rods are fixedly connected with, conflict button is fastened on all the time in crank rotation process and turns footpath outer wall, which passes through connection or the fractionation of pneumatic control mounting rod, is conducive to improving automaticity, reach conveniently dismounting, thus effectively improve the dismounting efficiency of bent axle.
The utility model is set to further: described clamping button is the nut be connected with piston rod thread.
By adopting technique scheme, regulating nut position on the piston rod, with clamping degree during this adjustable mounting rod clamping, the chucking power turned on the outer wall of footpath is buckled in time conveniently for regulating button of conflicting to fasten, degree of flexibility when rotating between mounting rod and bent axle is regulated with this, the best preferably can enable bent axle flexible rotating under the drive of rotary electric machine, and sand paper is conflicted and turned footpath outer wall thus grinding by button of simultaneously conflicting all the time.
The utility model is set to further: bottom and the mounting rod of described gripper cylinder are hinged.
By adopting technique scheme, mounting rod, when dismantling, is convenient to mounting rod and is smashed from clamping in switching process and spin off.
The utility model is set to further: described workbench is provided with gag lever post relative to the opposite side of gripper cylinder.
By adopting technique scheme, because mounting rod has certain length, therefore when operator stands in workbench side clamping, being provided with gag lever post can avoid mounting rod too large around hinged place rotation, thus cause operator's inconvenience to be buckled well by mounting rod, after limited location bar, mounting rod is against gag lever post, and convenient station workbench fixedly mounts bar relative to the operator of gripper cylinder side.
The utility model is set to further: described grinding mechanism is provided with many covers along the length direction of bent axle.
By adopting technique scheme, being provided with many this grinding mechanisms of cover, in time processing process, simultaneous grinding can being carried out to multiple footpaths of turning of bent axle, being conducive to the milling time shortening whole bent axle, improving working (machining) efficiency; Configure part simultaneously and be simple structure, also without the need to arranging motor equal energy source consumer on grinding mechanism, greatly reducing use cost, being convenient to promote the use of.
Accompanying drawing explanation
Fig. 1 is the stereochemical structure schematic views of crankshaft grinder bed;
Fig. 2 is the opposite side stereochemical structure schematic views of crankshaft grinder bed;
Fig. 3 is the stereochemical structure schematic views of grinding mechanism.
Reference numeral: 1, workbench; 2, clamping device; 21, rotary electric machine; 22, travel mechanism; 23, main stiff end; 24, from stiff end; 3, grinding mechanism; 31, rotating disk; 32, mounting rod; 321, conflict button; 322, cushion; 4, drive unit; 41, installation shaft; 42, driving machine; 43, mount pad; 44, spacing ring; 5, clamping device; 51, gripper cylinder; 511, clamping button; 6, gag lever post.
Detailed description of the invention
Below in conjunction with accompanying drawing, a preferred embodiment of the present utility model is described in detail.The identical Reference numeral of wherein identical parts represents.It should be noted that, the word "front", "rear" of use is described below, "left", "right", "up" and "down" refer to direction in accompanying drawing, word " bottom surface " and " end face ", " interior " and " outward " refer to the direction towards or away from particular elements geometric center respectively.
With reference to shown in Fig. 1, a kind of crankshaft grinder bed, comprise and be arranged on clamping device 2 on workbench 1 and grinding mechanism 3, workbench 1 also includes the drive unit 4 for driving grinding mechanism 3 movement, drive unit 4 includes the driving machine 42 that installation shaft 41 and drive installation axle 41 move axially, the rotating disk 31 that grinding mechanism 3 includes two mounting rods 32 and is located in installation shaft 41, rotating disk 31 is rotationally connected with in installation shaft 41, the end of two mounting rods 32 is hinged setting, two mounting rods 32 are provided with the conflict button 321 of circular arc relatively, complete circle is buckled in the process that two conflict buttons 321 can rotate around hinged place at mounting rod 32, mounting rod 32 is provided with clamping device 5 relative to the other end of hinged place, end, one of them mounting rod 32 is eccentric hinged with rotating disk 31.
By said structure, in use, first pass through clamping device 2 by crankshaft installed on workbench 1, the structural expression that it specifically can be shown is with reference to the accompanying drawings: adopt scroll chuck to clamp bent axle one end, thimble withstands the other end of bent axle, then starts lathe; But before startup lathe, need first in conflict button 321, to be fitted with sand paper, then conflict button 321 is fastened on and to be processed turns surface, footpath, sand paper is conflicted and turns footpath outer surface, treat that bent axle is in rotation, and bent axle mounting rod 32 Eccentric-hinge in rotation process is connected on rotating disk 31, and (it should be noted that, rotating disk 31 is rotationally connected with on workbench 1 herein, and scroll chuck and thimble are coaxially arranged, arrange with rotating disk 31 axis parallel) simultaneously; Even if therefore the footpath of turning of bent axle is eccentric rotary, also can be rotated by mounting rod 32 and make in dish 31 rotation process conflict buckle 321 to be fastened on all the time and to turn footpath outer wall, thus realize the grinding of bent axle.Simultaneously when the width turning footpath is larger, and the width of button 321 of conflicting less time, need to move axially rotating disk 31 by drive unit 4, the mounting rod 32 hinged with it is made to drive conflict button 321 turning slip at wall outside footpath, turn the range of work on footpath to increase conflict button 321, be conducive to the scope of application expanding milling apparatus.The structure of this crankshaft grinder bed is simple, ease of assembly, maintenance and use, is therefore conducive to reducing equipment cost, is conducive to extensively promoting the use of; And being conflicted by sand paper by conflict button 321 in process of lapping is turning on the outer wall of footpath, be conducive to improving sand paper and the uniformity coefficient of bent axle surface contact in the process of simultaneously turning crankshaft, be therefore conducive to raising grinding effect.
With reference to shown in Fig. 2, workbench 1 is provided with the mount pad 43 set up for installation shaft 41, is embedded with linear bearing in mount pad 43, and installation shaft 41 is provided with the spacing ring 44 that move axially of restriction grinding mechanism 3 along installation shaft 41.Installation shaft 41 is installed on workbench 1 by bearing block through after rotating disk 31, is equipped with linear bearing, facilitates installation shaft 41 along axis direction slippage in bearing block; Although rotating disk 31 can realize rotating in installation shaft 41 simultaneously, but rotating disk 31 is by being provided with spacing ring 44 at its two ends, spacing ring 44 is by being threaded in installation shaft 41, move axially in case spline dish 31 produces in installation shaft 41, avoiding driving machine 42 can not arrive rotating disk 31 when pushing installation shaft 41 to move, being therefore conducive to the stability improving transmission.
With reference to shown in Fig. 1, driving machine 42 can select cylinder, the piston rod of cylinder and one end of installation shaft 41 hinged.The piston rod of cylinder and installation shaft 41 can be avoided to need in coaxial configuration when mounted, by hinged connected mode, the piston rod of cylinder and installation shaft 41 can be allowed to there is certain angle install, therefore greatly can reduce assembly precision, be conducive to reducing and degree of difficulty is installed.
With reference to shown in Fig. 1, clamping device 2 includes main stiff end 23 and from stiff end 24, the application realizes the function of main stiff end 23 by scroll chuck, realizes the function from stiff end 24 with thimble, clamp bent axle one end by scroll chuck during use, thimble withstands the other end of bent axle; Clamping device 2 also includes rotary electric machine 21 for driving main stiff end 23 to rotate and for driving the travel mechanism 22 from stiff end 24 movement.
By said structure, adopt scroll chuck to clamp bent axle one end, travel mechanism 22 pushes the other end that thimble withstands bent axle, and then rotary electric machine 21 drives crank rotation, thus realize the smooth rotation of bent axle.
With reference to shown in Fig. 3, the flexible pad 322 of conflict button 321 internal fixtion.Cushion 322 conflict button 321 fasten after also ringwise, the internal diameter of cushion 322 is not more than the external diameter turning footpath, greatly reduce the dimensional fits precision of cushion 322, be also conducive to improving sand paper simultaneously and contact at the uniformity coefficient turning footpath outer wall, effectively raise grinding effect.
With reference to shown in Fig. 3, also it should be noted that herein and preferably rotating disk 31 is provided with two, one of them mounting rod 32 is articulated with between two rotating disks 31 simultaneously.Be rotationally connected with on workbench 1 by rotating disk 31, and the orientation of rotating disk 31 is the length direction of bent axle, rotating disk 31 can rotate in installation shaft 41, and mounting rod 32 is articulated with between two rotating disks 31; This structure increases rotating disk 31 and the contact area of installation shaft 41, enhance stability when rotating disk 31 circumference is rotated, can not swing be produced, be conducive to improving stability when mounting rod 32 swings after being driven along with crank rotation.
With reference to shown in Fig. 3, clamping device 2 includes gripper cylinder 51, and gripper cylinder 51 is connected on the mounting rod 32 hinged with rotating disk 31, and the piston rod of gripper cylinder 51 is provided with the clamping button 511 fastening another mounting rod 32.Be connected with gripper cylinder 51 relative to its other end with another mounting rod 32 hinged place with the hinged mounting rod 32 of rotating disk 31, when fastening conflict button 321, by gripper cylinder 51, two mounting rods 32 are fixedly connected with, conflict button 321 can be fastened on all the time in crank rotation process and turn footpath outer wall, which passes through connection or the fractionation of pneumatic control mounting rod 32, be conducive to improving automaticity, reach conveniently dismounting, thus effectively improve the dismounting efficiency of bent axle.
With reference to shown in Fig. 3, clamping button 511 is the nut be connected with piston rod thread.Regulating nut position on the piston rod, clamping degree when clamping with this adjustable mounting rod 32, the chucking power turned on the outer wall of footpath is buckled in time conveniently for regulating conflict button 321 to fasten, degree of flexibility when rotating between mounting rod 32 and bent axle is regulated with this, the best preferably can enable bent axle flexible rotating under the drive of rotary electric machine 21, and sand paper is conflicted and turned footpath outer wall thus grinding by conflict button 321 all the time simultaneously.
With reference to shown in Fig. 3, bottom and the mounting rod 32 of gripper cylinder 51 are hinged.Mounting rod 32, when dismantling, is convenient to mounting rod 32 and is spun off from clamping button 511 in switching process.
With reference to shown in Fig. 2, workbench 1 is provided with gag lever post 6 relative to the opposite side of gripper cylinder 51.Because mounting rod 32 has certain length, therefore when operator stands in workbench 1 side clamping, being provided with gag lever post 6 can avoid mounting rod 32 too large around hinged place rotation, thus cause operator's inconvenience to be buckled well by mounting rod 32, after limited location bar 6, mounting rod 32 is against gag lever post 6, and convenient station workbench 1 fixedly mounts bar 32 relative to the operator of gripper cylinder 51 side.
With reference to shown in Fig. 2, rotating disk 31 and mounting rod 32 are provided with many covers along the length direction of bent axle.Be provided with many this grinding mechanisms 3 of cover, in time processing process, simultaneous grinding can be carried out to multiple footpaths of turning of bent axle, be conducive to the milling time shortening whole bent axle, improve working (machining) efficiency; Configure part simultaneously and be simple structure, also without the need to arranging motor equal energy source consumer on grinding mechanism 3, greatly reducing use cost, being convenient to promote the use of.
Below be only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a crankshaft grinder bed, comprise and be arranged on clamping device (2) on workbench (1) and from stiff end (3), it is characterized in that: described workbench (1) also includes the drive unit (4) for driving from stiff end (3) movement, described drive unit (4) includes the driving machine (42) that installation shaft (41) and drive installation axle (41) move axially, the described rotating disk (31) including two mounting rods (32) from stiff end (3) and be located in installation shaft (41), described rotating disk (31) is rotationally connected with in installation shaft (41), the end of two mounting rods (32) is hinged setting, two mounting rods (32) are provided with the conflict button (321) of circular arc relatively, complete circle is buckled in the process that two buttons (321) of conflicting can rotate around hinged place at mounting rod (32), described mounting rod (32) is provided with clamping device (5) relative to the other end of hinged place, end, one of them mounting rod (32) is eccentric hinged with rotating disk (31).
2. crankshaft grinder bed according to claim 1, it is characterized in that: described workbench (1) is provided with the mount pad (43) set up for installation shaft (41), described mount pad is embedded with linear bearing in (43), and described installation shaft (41) is provided with the spacing ring (44) that move axially of restriction from stiff end (3) along installation shaft (41).
3. crankshaft grinder bed according to claim 1 and 2, is characterized in that: described driving machine (42) is cylinder, and one end of the piston rod of described cylinder and installation shaft (41) is hinged.
4. crankshaft grinder bed according to claim 1, it is characterized in that: described clamping device (2) includes main stiff end (23) and from stiff end (24), described clamping device (2) also includes rotary electric machine (21) for driving main stiff end (23) to rotate and for driving the travel mechanism (22) from stiff end (24) movement.
5. crankshaft grinder bed according to claim 1, is characterized in that: the described conflict button flexible pad of (321) internal fixtion (322).
6. crankshaft grinder bed according to claim 1, it is characterized in that: described clamping device (5) includes gripper cylinder (51), described gripper cylinder (51) is connected on the mounting rod (32) hinged with rotating disk (31), and the piston rod of described gripper cylinder (51) is provided with the clamping button (511) fastening another mounting rod (32).
7. crankshaft grinder bed according to claim 6, is characterized in that: described clamping button (511) is the nut be connected with piston rod thread.
8. the crankshaft grinder bed according to claim 6 or 7, is characterized in that: bottom and the mounting rod (32) of described gripper cylinder (51) are hinged.
9. crankshaft grinder bed according to claim 6, is characterized in that: described workbench (1) is provided with gag lever post (6) relative to the opposite side of gripper cylinder (51).
10. crankshaft grinder bed according to claim 1, is characterized in that: the described length direction from stiff end (3) along bent axle is provided with many covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004437.9U CN205166562U (en) | 2015-12-07 | 2015-12-07 | Bent axle lapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004437.9U CN205166562U (en) | 2015-12-07 | 2015-12-07 | Bent axle lapping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205166562U true CN205166562U (en) | 2016-04-20 |
Family
ID=55730593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521004437.9U Expired - Fee Related CN205166562U (en) | 2015-12-07 | 2015-12-07 | Bent axle lapping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205166562U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107553264A (en) * | 2017-09-30 | 2018-01-09 | 宣城托新精密科技有限公司 | A kind of small size special-shaped product grinder for polishing |
-
2015
- 2015-12-07 CN CN201521004437.9U patent/CN205166562U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107553264A (en) * | 2017-09-30 | 2018-01-09 | 宣城托新精密科技有限公司 | A kind of small size special-shaped product grinder for polishing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20171207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |