CN109848487B - Spiral bevel gear grinding clamp - Google Patents

Spiral bevel gear grinding clamp Download PDF

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Publication number
CN109848487B
CN109848487B CN201910165965.9A CN201910165965A CN109848487B CN 109848487 B CN109848487 B CN 109848487B CN 201910165965 A CN201910165965 A CN 201910165965A CN 109848487 B CN109848487 B CN 109848487B
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CN
China
Prior art keywords
piece
bevel gear
spiral bevel
reverse ejection
auxiliary device
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
Application number
CN201910165965.9A
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Chinese (zh)
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CN109848487A (en
Inventor
尤德逢
洪乌柳
张国庆
卢渭彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUNAN JINCHENG GEAR TRANSMISSION MACHINERY CO LTD
Original Assignee
HUNAN JINCHENG GEAR TRANSMISSION MACHINERY CO LTD
Priority date (The priority date 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 date listed.)
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Priority to CN201910165965.9A priority Critical patent/CN109848487B/en
Publication of CN109848487A publication Critical patent/CN109848487A/en
Application granted granted Critical
Publication of CN109848487B publication Critical patent/CN109848487B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention discloses a spiral bevel gear grinding clamp which structurally comprises a fixed base plate, a reverse ejection rotatable auxiliary device, a connector, a rotating ejection plate, a clamping hole, a positioning piece and an adjusting slide rail, wherein the fixed base plate is of a circular structure. The invention uses the reverse ejection rotatable auxiliary device to form a triangular structure with the wheel shaft of the spiral bevel gear, and uses the stable effect of the structure to eject the wheel shaft, tightly clamps the wheel shaft of the spiral bevel gear under the cooperation of electromagnetic force, and enables the spiral bevel gear to rotate through the grain in the horizontal direction, but can not slide mutually in the vertical direction, thereby effectively preventing the gear from shaking and even falling out from the clamp due to centrifugal force during rotation, ensuring the stability of the spiral bevel gear during gear grinding and improving the precision of gear grinding.

Description

Spiral bevel gear grinding clamp
Technical Field
The invention relates to the field of gear manufacturing, in particular to a spiral bevel gear grinding clamp.
Background
The spiral bevel gear grinding clamp is a clamp for fixing a spiral bevel gear during gear grinding, and the clamping mode is various, and the main mode is to fix a wheel shaft of the spiral bevel gear. However, the prior art spiral bevel gear grinding clamp has the following defects:
because of spiral bevel gear gerar grinding need rotatory cooperation to grind out spiral helicine teeth of a cogwheel when the gerar grinding, but the anchor clamps that have the rotation effect can cause the gear to have rocking of certain degree because of rotatory centrifugal force, slowly deviate from anchor clamps even, influence the precision of gerar grinding.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a spiral bevel gear grinding clamp, which aims to overcome the defect that the precision of grinding is affected because the spiral bevel gear grinding clamp needs to be rotated and matched to grind spiral gear teeth during gear grinding in the prior art, but the clamp with the rotating function can cause the gear to shake to a certain degree due to the rotating centrifugal force and even slowly fall out of the clamp.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a spiral bevel gear grinding clamp structurally comprises a fixed chassis, a reverse ejection rotatable auxiliary device, a connector, a rotary ejection disc, clamping holes, a positioning piece and an adjusting slide rail, wherein the fixed chassis is of a circular structure, the reverse ejection rotatable auxiliary device is arranged above the fixed chassis and is of an integrated forming structure, the connector is embedded in the front surface of the reverse ejection rotatable auxiliary device and is electrically connected with the front surface of the reverse ejection rotatable auxiliary device, the rotary ejection disc is arranged above the reverse ejection rotatable auxiliary device and is movably connected with the reverse ejection rotatable auxiliary device, a through hole is formed in the center of the reverse ejection rotatable auxiliary device and the center of the rotary ejection disc, and is the clamping hole, and the positioning piece is arranged above the rotary ejection disc and is in sliding connection with the rotary ejection disc through the;
the rotatable auxiliary device of reverse ejection comprises device body, reverse ejection mechanism, perpendicular application of force piece, fastener mechanism, fixed chassis top is located to the device body, reverse ejection mechanism is inside radial even equidistance locates the device body, reverse ejection mechanism outer end and device body sliding connection, reverse ejection mechanism inner end and through hinge swing joint are located to perpendicular application of force piece, fastener mechanism locates reverse ejection mechanism inboard below and meshes swing joint.
According to a further scheme of the invention, the reverse ejection mechanism comprises a hydraulic telescopic groove, a vertical rod, a swinging telescopic ejector rod, a connecting hinge, a sliding part and a clamping slide rail, wherein the hydraulic telescopic groove is vertically arranged in the device body and is of an integrally formed structure, the lower end of the vertical rod is embedded into the hydraulic telescopic groove and is in clearance fit, the outer end of the swinging telescopic ejector rod is movably connected with the upper end of the vertical rod through the connecting hinge, the inner end of the swinging telescopic ejector rod is movably connected with the vertical force application part through the hinge, the sliding part is arranged in the middle of the swinging telescopic ejector rod and is embedded into the clamping slide rail, and the clamping slide rail is arranged below the swinging telescopic ejector rod and is of an integrally formed structure with the device body.
As a further scheme of the invention, the upper half section of the clamping slide rail is a vertical rail, the lower half section of the clamping slide rail is an arc rail, and the arc rail of the lower half section is a quarter circle taking the connecting hinge as a circle.
As a further scheme of the invention, the vertical force application part comprises an attaching block, deformation structures, electromagnetic blocks and vertical anti-skid grains, the deformation structures are uniformly and equidistantly arranged on the outer surface of the attaching block and are of an integrally formed structure, the electromagnetic blocks are embedded in the attaching block, and the vertical anti-skid grains are arranged on the inner surface of the attaching block.
As a further scheme of the invention, the deformation structure is of a vertical pleated structure, and the fitting block can be deformed into arcs with different angles so as to fit wheel shafts of spiral bevel gears with different diameters.
In a further aspect of the present invention, the electromagnetic blocks are disposed opposite to each other in opposite polarity, and generate a force for fastening the wheel shaft of the spiral bevel gear in an annular shape when the electromagnetic blocks are energized.
According to a further scheme of the invention, the clamping mechanism comprises a semicircular frame, a fixing part, a clamping block, an extension spring, a clamping rod, a sliding swinging part, a telescopic rail and a driving hydraulic rod, wherein the semicircular frame is fixedly connected with the device body through the fixing part, the clamping block is arranged at two ends of the semicircular frame and fixedly connected through electric welding, one end of the extension spring is welded with the semicircular frame, the other end of the extension spring is welded with the clamping rod, the clamping rod is horizontally arranged below the clamping block, the sliding swinging part is embedded in the telescopic rail, and the driving hydraulic rod is arranged in the telescopic rail and connected with the sliding swinging part.
As a further scheme of the invention, the inner end of the clamping rod is embedded into the clamping slide rail, and the outer end of the clamping rod is connected with the telescopic rail in a sliding manner through the sliding swinging piece.
Advantageous effects of the invention
Compared with the traditional spiral bevel gear grinding clamp, the invention adopts the reverse ejection rotatable auxiliary device to form a triangular structure with the wheel shaft of the spiral bevel gear, the wheel shaft is ejected in the direction by utilizing the stabilizing effect of the structure, the wheel shaft of the spiral bevel gear is tightly clamped under the matching action of electromagnetic force, the spiral bevel gear can rotate but cannot slide in the vertical direction through grains in the horizontal direction, the condition that the gear shakes due to centrifugal force and even falls out of the clamp during rotation can be effectively prevented, the stability of the spiral bevel gear during gear grinding is ensured, and the precision of gear grinding is improved.
Drawings
Other features, objects and advantages of the invention will become more apparent from a reading of the detailed description of non-limiting embodiments with reference to the attached drawings.
In the drawings:
fig. 1 is a schematic structural view of a spiral bevel gear grinding fixture of the present invention.
Fig. 2 is a plan view of a reverse-ejection rotatable auxiliary device according to the present invention.
Fig. 3 is a structural top view of a reverse ejection rotatable auxiliary device of the present invention.
FIG. 4 is a magnetic pattern of a vertical force applicator according to the present invention.
FIG. 5 is a plan view of a vertical force applying member according to the present invention.
Fig. 6 is a plan view of a card media mechanism of the present invention.
In the figure: a fixed chassis-1, a reverse ejection rotatable auxiliary device-2, a connector-3, a rotating ejection disc-4, a clamping hole-5, a positioning piece-6, an adjusting slide rail-7, a device body-21, a reverse ejection mechanism-22, a vertical force application piece-23, a clamping piece mechanism-24, a hydraulic telescopic groove-221, a vertical rod-222, a swinging telescopic ejector rod-223 and a connecting hinge-224, the device comprises a sliding part-225, a clamping slide rail-226, an attaching block-231, a deformation structure-232, an electromagnetic block-233, a vertical anti-slip pattern-234, a semicircular frame-241, a fixing part-242, a clamping block-243, an extension spring-244, a clamping rod-245, a sliding swinging part-246, a telescopic rail-247 and a driving hydraulic rod-248.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-6, the present invention provides a technical solution of a spiral bevel gear grinding fixture:
a spiral bevel gear grinding clamp structurally comprises a fixed chassis 1, a reverse ejection rotatable auxiliary device 2, a connector 3, a rotary ejection disc 4, clamping holes 5, a positioning piece 6 and an adjusting slide rail 7, wherein the fixed chassis 1 is of a circular structure, the reverse ejection rotatable auxiliary device 2 is arranged above the fixed chassis 1 and is of an integrated forming structure, the connector 3 is embedded in the front surface of the reverse ejection rotatable auxiliary device 2 and is electrically connected with the front surface, the rotary ejection disc 4 is arranged above the reverse ejection rotatable auxiliary device 2 and is movably connected with the reverse ejection rotatable auxiliary device 2, through holes are formed in the centers of the reverse ejection rotatable auxiliary device 2 and the rotary ejection disc 4 and are the clamping holes 5, and the positioning piece 6 is arranged above the rotary ejection disc 4 and is in sliding connection with the rotary ejection disc 4 through the adjusting slide rail 7;
the rotatable auxiliary device of reverse ejection 2 comprises device body 21, reverse ejection mechanism 22, perpendicular application of force piece 23, fastener mechanism 24, fixed chassis 1 top is located to device body 21, reverse ejection mechanism 22 is inside radial even equidistance locates device body 21, reverse ejection mechanism 22 outer end and device body 21 sliding connection, perpendicular application of force piece 23 is located reverse ejection mechanism 22 inner end and is passed through hinge swing joint, fastener mechanism 24 is located reverse ejection mechanism 22 inboard below and meshing swing joint.
Reverse ejection mechanism 22 comprises hydraulic stretching groove 221, vertical pole 222, the flexible ejector pin 223 of swing, connection hinge 224, slider 225, screens slide rail 226, hydraulic stretching groove 221 is vertical form and locates inside and be the integrated into one piece structure of device body 21, the inside clearance fit that just adopts of vertical pole 222 lower extreme embedding hydraulic stretching groove 221, the upper end swing joint of hinge 224 and vertical pole 222 is passed through to the flexible ejector pin 223 outer end of swing, the flexible ejector pin 223 inner end of swing passes through hinge swing joint with perpendicular application of force piece 23, slider 225 locates in the middle of the flexible ejector pin 223 of swing and inlays inside screens slide rail 226, screens slide rail 226 locates in the flexible ejector pin 223 of swing below and be the integrated into one piece structure with device body 21.
The first half section of screens slide rail 226 is vertical form track, and the second half section is the arc track, the arc track of second half section is for using connecting hinge 224 to be circular shape quarter circle.
Perpendicular application of force piece 23 comprises laminating piece 231, deformation structure 232, electromagnetism piece 233, vertical anti-skidding line 234, the even equidistance of deformation structure 232 is located laminating piece 231 surface and is the integrated into one piece structure, electromagnetism piece 233 inlays inside laminating piece 231, the inboard surface of laminating piece 231 is located to vertical anti-skidding line 234.
The deformation structure 232 is a vertical pleated structure, which can deform the fitting block 231 into arcs of different angles to fit the wheel shafts of spiral bevel gears of different diameters.
The electromagnet blocks 233 are arranged opposite to each other in opposite polarity, and generate a force for fastening the wheel shaft of the spiral bevel gear in an annular shape when being electrified.
The clamping mechanism 24 is composed of a semicircular frame 241, a fixing piece 242, a clamping block 243, an extension spring 244, clamping rods 245, a sliding swinging piece 246, a telescopic rail 247 and a driving hydraulic rod 248, the semicircular frame 241 is fixedly connected with the device body 21 through the fixing piece 242, the clamping blocks 243 are arranged at two ends of the semicircular frame 241 and fixedly connected through electric welding, one end of the extension spring 244 is welded with the semicircular frame 241, the other end of the extension spring 244 is welded with the clamping rods 245, the clamping rods 245 are horizontally arranged below the clamping blocks 243, the sliding swinging piece 246 is embedded inside the telescopic rail 247, and the driving hydraulic rod 248 is arranged inside the telescopic rail 247 and connected with the sliding swinging piece 246.
The inner end of the clamping rod 245 is embedded into the clamping slide rail 226, and the outer end of the clamping rod 245 is slidably connected with the telescopic rail 247 through a sliding swinging piece 246.
The working principle of the invention is as follows: the wheel shaft of the spiral bevel gear is inserted into the clamping hole 5 through the connector 3, when the wheel shaft is inserted into the clamping hole 5 and pressed downwards, and the lower end of the wheel shaft passes through the clamping blocks 243, the wheel shaft can drive the inner end of the swinging telescopic ejector rod 223 to swing downwards, the outer end of the swinging telescopic ejector rod drives the vertical rod 222 to slide upwards along the hydraulic telescopic groove 221 under the action of hydraulic pressure, meanwhile, the sliding piece 225 slides downwards along the clamping slide rail 226 and presses the inner end of the clamping rod 245 downwards, the sliding piece slides downwards until the inner end of the clamping rod 245 leaves the clamping slide rail 226 and returns to the original position under the action of the extension spring 244, at the moment, the force for pressing the spiral bevel gear stops, the sliding piece can automatically push upwards for a certain distance until the clamping rod 245 is clamped and is propped by the clamping blocks 243, at the moment, the swinging telescopic ejector rod 223 and the wheel shaft form a triangular inclined shape, the wheel shaft is pushed reversely, then the electromagnetic blocks 233 are controlled to be electrified, the fitting block 231 is tightly fitted to the wheel shaft, the position of the positioning element 6 is adjusted, the wheel shaft is clamped by the positioning element and slides inwards along the adjusting slide rail 7, the spiral bevel gear is driven to rotate at a constant speed along with the rotating top disc 4, the lower end of the wheel shaft is clamped by the fitting block 231, horizontal lines are arranged on the inner surface of the wheel shaft, the wheel shaft can rotate but cannot slide up and down relatively, and the positioning element 6 is matched to prevent the spiral bevel gear from shaking or falling off during rotation.
The invention solves the problem that the spiral bevel gear grinding clamp in the prior art needs to be rotated and matched to grind spiral gear teeth when grinding the gear, but the clamp with the rotating function can cause the gear to shake to a certain extent due to the rotating centrifugal force and even slowly fall out of the clamp to influence the precision of grinding the gear, through the mutual combination of the components, the invention forms a triangular structure with the wheel shaft of the spiral bevel gear by the reverse ejection rotatable auxiliary device, the wheel shaft is ejected by utilizing the stable effect direction of the structure, the wheel shaft of the spiral bevel gear is tightly clamped under the matching action of electromagnetic force, the spiral bevel gear can rotate but cannot slide in the vertical direction through grains in the horizontal direction, and the condition that the gear shakes due to the centrifugal force and even falls out of the clamp when rotating can be effectively prevented, the stability of the spiral bevel gear during gear grinding is ensured, and the gear grinding precision is improved.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (4)

1. The utility model provides a spiral bevel gear gerar grinding anchor clamps, its structure includes fixed chassis (1), the rotatable auxiliary device of reverse ejection (2), connector (3), rotatory top dish (4), double-layered hole (5), setting element (6), regulation slide rail (7), its characterized in that:
the fixed chassis (1) is of a circular structure, the reverse ejection rotatable auxiliary device (2) is arranged above the fixed chassis (1) and is of an integrated forming structure, the connector (3) is embedded in the front surface of the reverse ejection rotatable auxiliary device (2) and is electrically connected with the front surface of the reverse ejection rotatable auxiliary device, the rotary ejection disc (4) is arranged above the reverse ejection rotatable auxiliary device (2) and is movably connected with the reverse ejection rotatable auxiliary device, a through hole, namely a clamping hole (5), is formed in the centers of the reverse ejection rotatable auxiliary device (2) and the rotary ejection disc (4), and the positioning piece (6) is arranged above the rotary ejection disc (4) and is in sliding connection with the rotary ejection disc (4) through an adjusting slide rail (7);
rotatable auxiliary device of reverse ejection (2) comprises device body (21), reverse ejection mechanism (22), perpendicular application of force piece (23), fastener mechanism (24), fixed chassis (1) top is located in device body (21), reverse ejection mechanism (22) are radial even equidistance and locate device body (21) inside, reverse ejection mechanism (22) outer end and device body (21) sliding connection, reverse ejection mechanism (22) inner end is located and is passed through hinge swing joint in perpendicular application of force piece (23), fastener mechanism (24) are located reverse ejection mechanism (22) inboard below and are meshed swing joint.
2. A spiral bevel gear grinding jig according to claim 1 wherein: the reverse ejection mechanism (22) consists of a hydraulic telescopic groove (221), a vertical rod (222), a swinging telescopic ejector rod (223), a connecting hinge (224), a sliding piece (225) and a clamping slide rail (226), the hydraulic telescopic groove (221) is vertically arranged in the device body (21) and is of an integrated molding structure, the lower end of the vertical rod (222) is embedded into the hydraulic telescopic groove (221) and is in clearance fit, the outer end of the swing telescopic ejector rod (223) is movably connected with the upper end of the vertical rod (222) through a connecting hinge (224), the inner end of the swing telescopic ejector rod (223) is movably connected with the vertical force application part (23) through a hinge, the sliding piece (225) is arranged in the middle of the swinging telescopic ejector rod (223) and embedded in the clamping slide rail (226), the clamping slide rail (226) is arranged in the swinging telescopic ejector rod (223) at the inner lower part and is in an integrated molding structure with the device body (21).
3. A spiral bevel gear grinding jig according to claim 1 or 2 wherein: perpendicular application of force piece (23) comprises laminating piece (231), deformation structure (232), electromagnetism piece (233), vertical anti-skidding line (234), the even equidistance of deformation structure (232) is located laminating piece (231) surface and is the integrated into one piece structure, electromagnetism piece (233) inlays in laminating piece (231) inside, laminating piece (231) inboard surface is located in vertical anti-skidding line (234).
4. A spiral bevel gear grinding jig according to claim 1 wherein: fastener mechanism (24) comprises semicircle frame (241), mounting (242), screens piece (243), extension spring (244), kelly (245), slip swing piece (246), flexible rail (247), drive hydraulic stem (248), semicircle frame (241) passes through mounting (242) and device body (21) fixed connection, screens piece (243) are located semicircle frame (241) both ends and are connected through electric welding fixed connection, extension spring (244) one end and semicircle frame (241) welding, extension spring (244) other end and kelly (245) welding, kelly (245) are the level form and locate screens piece (243) below, slip swing piece (246) inlay in flexible rail (247) inside, drive hydraulic stem (248) are located flexible rail (247) inside and are connected with slip swing piece (246).
CN201910165965.9A 2019-03-06 2019-03-06 Spiral bevel gear grinding clamp Expired - Fee Related CN109848487B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910165965.9A CN109848487B (en) 2019-03-06 2019-03-06 Spiral bevel gear grinding clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910165965.9A CN109848487B (en) 2019-03-06 2019-03-06 Spiral bevel gear grinding clamp

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CN109848487A CN109848487A (en) 2019-06-07
CN109848487B true CN109848487B (en) 2020-09-15

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112658781B (en) * 2020-12-08 2022-06-24 青岛泰尔信电子配件有限公司 One-way type promotes isolating device for machining
CN117001078B (en) * 2023-10-08 2023-12-08 泰州市宏强机械有限公司 Gear grinding tool for gear machining

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001021009A (en) * 1999-07-07 2001-01-26 Japan Servo Co Ltd Reduction gear
CN103506644A (en) * 2012-06-28 2014-01-15 常州市格里森前进齿轮有限公司 Spiral bevel gear chuck
CN205393690U (en) * 2016-02-29 2016-07-27 西安贝吉姆机床股份有限公司 Gear grinding machine with worm grinding wheel swivel work head
CN105817913A (en) * 2016-04-01 2016-08-03 台州格航冠机械制造有限公司 Clamp special for bevel gear

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5615129B2 (en) * 2010-10-21 2014-10-29 三菱重工業株式会社 Clamping device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001021009A (en) * 1999-07-07 2001-01-26 Japan Servo Co Ltd Reduction gear
CN103506644A (en) * 2012-06-28 2014-01-15 常州市格里森前进齿轮有限公司 Spiral bevel gear chuck
CN205393690U (en) * 2016-02-29 2016-07-27 西安贝吉姆机床股份有限公司 Gear grinding machine with worm grinding wheel swivel work head
CN105817913A (en) * 2016-04-01 2016-08-03 台州格航冠机械制造有限公司 Clamp special for bevel gear

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Effective date of registration: 20200820

Address after: 410000 No.339, Wangcheng Avenue, Wangcheng economic and Technological Development Zone, Changsha City, Hunan Province

Applicant after: HUNAN JINCHENG GEAR TRANSMISSION MACHINERY Co.,Ltd.

Address before: 362300 Emperor Landscape 301 Banshan, Nan'an City, Quanzhou City, Fujian Province (90m north of Liunan West Road)

Applicant before: NAN'AN LAIKANG MACHINERY TECHNOLOGY Co.,Ltd.

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200915