CN111673643A - Irregular component clamp capable of adjusting clamping force - Google Patents
Irregular component clamp capable of adjusting clamping force Download PDFInfo
- Publication number
- CN111673643A CN111673643A CN202010580648.6A CN202010580648A CN111673643A CN 111673643 A CN111673643 A CN 111673643A CN 202010580648 A CN202010580648 A CN 202010580648A CN 111673643 A CN111673643 A CN 111673643A
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- clamping
- adjusting
- cavity
- centrifugal
- fixedly arranged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
The invention discloses an irregular component clamp capable of adjusting clamping force, which comprises an equipment frame, wherein two clamping mechanisms are arranged at the upper part of the equipment frame, each clamping mechanism comprises a clamping frame arranged at the upper part of the equipment frame, the two clamping frames are coaxial, the lower end face of the lower part of each clamping frame is fixedly connected with the upper end face of the equipment frame, a clamping cavity is arranged in each clamping frame and penetrates through the clamping frame, three hydraulic cylinder bodies facing the clamping cavities are arranged in each clamping frame, the irregular component clamp can clamp irregular workpieces through a plurality of independently controlled clamping blocks, meanwhile, the adjusting knob can be rotated to adjust the preset clamping force, the clamping is stopped when the clamping force is detected to reach the preset value in the automatic clamping process, and the clamping force of the workpiece with less hardness can be different by adjusting the preset clamping force.
Description
Technical Field
The invention relates to the field related to mechanical clamps, in particular to an irregular component clamp capable of adjusting clamping force.
Background
The clamp is widely applied in the mechanical manufacturing process, a workpiece to be processed can be positioned and clamped through the clamp, processing and measurement are convenient to carry out, meanwhile, the precision of the clamp can also influence the size, the precision and the like of the workpiece, the clamp which is widely applied at present mainly comprises a machine tool clamp, an assembling clamp, a detecting clamp and the like, but the main application objects of the clamps are the workpiece to be processed with a relatively regular shape, a relatively mature special clamp is not available for irregular parts at present, the clamping modes of the existing clamp are mainly divided into two types, one type is manual clamping, the other type is automatic clamping of a numerical control system, the clamping force of the former is not well controlled, and the clamping force of the latter is fixed and not adjustable.
Disclosure of Invention
The invention aims to solve the technical problem of providing an irregular component clamp capable of adjusting clamping force, and the problems that no special irregular clamp is available at present, and the clamping force of the existing clamp is not adjustable are solved.
The invention is realized by the following technical scheme.
The irregular component clamp capable of adjusting the clamping force comprises an equipment frame, wherein two clamping mechanisms are arranged on the upper portion of the equipment frame, each clamping mechanism comprises a clamping frame arranged on the upper portion of the equipment frame, the two clamping frames are coaxial, the lower end face of the lower portion of each clamping frame is fixedly connected with the upper end face of the equipment frame, a clamping cavity is arranged in each clamping frame and penetrates through the clamping frame, three hydraulic cylinder bodies facing the clamping cavities are arranged in each clamping frame, a hydraulic cylinder body is arranged in each hydraulic cylinder body, a hydraulic plate is arranged in each hydraulic cylinder body in a sliding mode, a hydraulic rod is fixedly arranged on the end face, facing the clamping cavities, of each hydraulic plate, a supporting sliding groove is arranged on one side, facing the clamping cavities, of each hydraulic plate, a supporting sliding block is arranged in each supporting sliding groove, and one end, facing the clamping cavities, of each hydraulic rod is fixedly connected with the supporting sliding block, a pressure sensor is fixedly arranged on one side end face of the support sliding block facing the clamping cavity, two buffer sliding chutes with openings facing the clamping cavity are arranged in the support sliding block, a buffer spring is fixedly arranged on the inner wall of one side of each buffer sliding chute far away from the clamping cavity, a buffer sliding block is fixedly arranged at one end of each buffer spring close to the clamping cavity, the buffer sliding blocks can slide in the buffer sliding chutes, a pressure supporting rod is fixedly arranged on one side end face of each buffer sliding block facing the pressure supporting rod, and a clamping block is fixedly arranged at one end of each pressure supporting rod facing the clamping cavity; the equipment frame is internally provided with a pressure regulating mechanism, the pressure regulating mechanism comprises a control cavity arranged in the equipment frame, six centrifugal shafts are fixedly arranged on the inner wall of the lower side of the control cavity in a circumferential array manner, two centrifugal springs are symmetrically and fixedly arranged on each centrifugal shaft, a centrifugal slider is fixedly arranged at one end, away from the centrifugal springs, of the centrifugal springs and can slide on the inner wall of the lower side of the control cavity, a centrifugal motor is fixedly arranged on the lower end face of each centrifugal shaft, the centrifugal motor is embedded in the equipment frame, an adjusting cavity is arranged in the equipment frame, an adjusting threaded shaft is embedded at the lower part of the equipment frame and penetrates through the inner wall of the lower side of the adjusting cavity, an adjusting knob is fixedly arranged at the lower end of the adjusting threaded shaft, an adjusting pushing block is fixedly arranged at the upper end of the adjusting threaded shaft, and three adjusting sliders are arranged in the adjusting cavity in a manner that the adjusting threaded, every adjust the slider and be close to it is equipped with the regulation bracing piece to fix on the terminal surface of adjusting the threaded shaft, adjust the bracing piece and be close to the fixed regulating block that is equipped with of one end of adjusting the threaded shaft, every adjust the threaded shaft and keep away from fixedly on one side terminal surface of adjusting the threaded shaft be equipped with two location slide bars, in the equipment frame adjust the slider and keep away from one side circumference array of adjusting the threaded shaft is equipped with six smooth chambeies of location, the location slide bar can slide in the smooth intracavity of location, every the smooth chamber top of location corresponds and is in it is equipped with the sensor of strikeing to slide on the control chamber downside inner wall, the location slide bar runs through the smooth chamber of location just the location slide bar upper end with strike sensor lower terminal surface fixed.
Preferably, the clamping mechanism comprises an infrared sensor fixedly arranged on the upper end face of the equipment frame in the clamping cavity, and the infrared sensor can control the hydraulic cylinder body to be started.
Preferably, the pressure regulating mechanism further comprises a return spring fixedly arranged on the end face of one side, away from the adjusting threaded shaft, of the adjusting slide block, and one end, away from the adjusting threaded shaft, of the return spring is fixedly connected to the inner wall of the adjusting cavity.
Preferably, the adjusting threaded shaft is in threaded connection with the equipment frame, and the adjusting threaded shaft can slide up and down relative to the equipment frame when rotating.
Preferably, the rotating speeds of the six centrifugal motors are controlled by the six pressure sensors in a one-to-one correspondence manner, the rotating speed of the centrifugal motor is increased when the pressure of the pressure sensors is increased, and the centrifugal slide block can be in contact with the corresponding knocking sensor when the rotating speed of the centrifugal shaft is increased to a certain value.
The invention has the beneficial effects that: the invention can clamp irregular workpieces through a plurality of independently controlled clamping blocks, can adjust the preset clamping force by rotating the adjusting knob, stops clamping when the clamping force reaches the preset value in the automatic clamping process, can realize different clamping forces on the workpieces with less hardness through adjusting the preset clamping force, and avoids the conditions that the surface scratches of the workpieces are generated on the soft workpieces due to overlarge clamping force or the machining precision is reduced on the hard workpieces due to undersize clamping force and the like.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the embodiment of the present invention in the direction of A-A in FIG. 1;
FIG. 3 is a schematic view of the embodiment of the present invention in the direction B-B in FIG. 1;
FIG. 4 is a schematic view of the embodiment of the present invention in the direction of C-C in FIG. 1;
FIG. 5 is an enlarged schematic view of the embodiment of the present invention at D in FIG. 1;
FIG. 6 is an enlarged schematic view of the embodiment of the present invention at E in FIG. 2;
FIG. 7 is an enlarged view of the embodiment of the present invention shown in FIG. 3 at F.
Detailed Description
The invention will now be described in detail with reference to fig. 1-7, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
With reference to fig. 1-7, the irregular member clamp capable of adjusting clamping force includes an equipment rack 13, two clamping mechanisms 51 are disposed on the upper portion of the equipment rack 13, each clamping mechanism 51 includes a clamping rack 10 disposed on the upper portion of the equipment rack 13, the two clamping racks 10 are coaxial and have lower portions, the lower end face of the clamping rack 10 is fixedly connected with the upper end face of the equipment rack 13, a clamping cavity 11 is disposed in each clamping rack 10, the clamping cavity 11 penetrates through the clamping rack 10, three hydraulic cylinders 16 facing the clamping cavity 11 are disposed in each clamping rack 10, a hydraulic cylinder 18 is disposed in each hydraulic cylinder 16, a hydraulic plate 17 is slidably disposed in the hydraulic cylinder 18, a hydraulic rod 19 is fixedly disposed on the end face of one side of the hydraulic plate 17 facing the clamping cavity 11, a supporting chute 38 is disposed on one side of the hydraulic plate 17 facing the clamping cavity 11, a supporting slide block 20 is slidably arranged in the supporting slide groove 38, one end of the hydraulic rod 19 facing the clamping cavity 11 is fixedly connected with the supporting slide block 20, one side end surface of the supporting slide block 20 facing the clamping cavity 11 is fixedly provided with a pressure sensor 21, two buffering slide grooves 39 with openings facing the clamping cavity 11 are arranged in the supporting slide block 20, a buffering spring 40 is fixedly arranged on the inner wall of one side of each buffering slide groove 39 far away from the clamping cavity 11, one end of each buffering spring 40 close to the clamping cavity 11 is fixedly provided with a buffering slide block 41, the buffering slide blocks 41 can slide in the buffering slide grooves 39, one side end surface of each buffering slide block 41 facing the pressure support rod 22 is fixedly provided with a pressure support rod 22, and one end of each pressure support rod 22 facing the clamping cavity 11 is fixedly provided with a clamping block 23; the pressure regulating mechanism 52 is arranged in the equipment frame 13, the pressure regulating mechanism 52 comprises a control cavity 14 arranged in the equipment frame 13, six centrifugal shafts 26 are fixedly arranged on the inner wall of the lower side of the control cavity 14 in a circumferential array manner, two centrifugal springs 37 are symmetrically and fixedly arranged on each centrifugal shaft 26, the centrifugal spring 37 is far away from one end of the control cavity 25, a centrifugal slider 25 is fixedly arranged on the inner wall of the lower side of the control cavity 14, a centrifugal motor 45 is fixedly arranged on the lower end face of each centrifugal shaft 26, the centrifugal motor 45 is embedded in the equipment frame 13, an adjusting cavity 30 is arranged in the equipment frame 13, an adjusting threaded shaft 35 is embedded at the lower part of the equipment frame 13, the adjusting threaded shaft 35 penetrates through the inner wall of the lower side of the adjusting cavity 30, an adjusting knob 36 is fixedly arranged at the lower end of the adjusting threaded shaft 35, an adjusting pushing block 34 is fixedly arranged at the upper end of the adjusting threaded shaft 35, three adjusting slide blocks 31 are arranged in the adjusting cavity 30 in an array manner by taking the adjusting threaded shaft 35 as a center, an adjusting support rod 32 is fixedly arranged on one side end face of each adjusting slide block 31 close to the adjusting threaded shaft 35, an adjusting block 33 is fixedly arranged at one end of the adjusting support rod 32 close to the adjusting threaded shaft 35, two positioning slide rods 28 are fixedly arranged on one side end face of each adjusting threaded shaft 35 far away from the adjusting threaded shaft 35, six positioning slide cavities 27 are arranged in the equipment frame 13 on the side of the adjusting slide block 31 away from the adjusting threaded shaft 35 in a circumferential array, the positioning slide rods 28 can slide in the positioning slide cavities 27, a knocking sensor 24 is arranged above each positioning slide cavity 27 corresponding to the lower inner wall of the control cavity 14 in a sliding manner, the positioning slide rod 28 penetrates through the positioning slide cavity 27, and the upper end of the positioning slide rod 28 is fixedly connected with the lower end face of the knocking sensor 24.
Advantageously, the gripping means 51 comprise an infrared sensor 15 fixedly arranged in the gripping chamber 11 on the upper face of the equipment rack 13, said infrared sensor 15 being able to control the actuation of the hydraulic cylinder 18.
Advantageously, the pressure regulating mechanism 52 further comprises a return spring 29 fixedly arranged on an end surface of the adjusting slider 31 on a side away from the adjusting threaded shaft 35, and an end of the return spring 29 away from the adjusting threaded shaft 35 is fixedly connected to an inner wall of the adjusting cavity 30.
Advantageously, the adjustment screw shaft 35 is threadedly coupled to the equipment rack 13, and the adjustment screw shaft 35 is slidable up and down relative to the equipment rack 13 when rotated.
Advantageously, the rotation speeds of the six centrifugal motors 45 are controlled by the six pressure sensors 21 in a one-to-one correspondence manner, the rotation speed of the centrifugal motor 45 is increased when the pressure sensors 21 are pressurized, and the centrifugal slider 25 can be in contact with the corresponding knock sensor 24 when the rotation speed of the centrifugal shaft 26 is increased to a certain value.
In the initial state, the return spring 29 is in the normal state, the centrifugal spring 37 is in the normal state, and the damper spring 40 is in the normal state.
At the beginning, the infrared sensor 15 detects that a workpiece is placed in the clamping cavity 11, then the infrared sensor 15 controls the hydraulic cylinder 18 to expand and then push six hydraulic plates 17 to move towards the clamping cavity 11, when the hydraulic plates 17 move, the hydraulic rod 19 pushes the support slider 20 to move, the support slider 20 pushes the clamping block 23 to move towards the clamping cavity 11 through the pressure support rod 22 and start to contact with the workpiece and clamp the workpiece, at this time, because of the relative acting force with the workpiece, the clamping block 23 and the support slider 20 have a movement trend of approaching each other, when the clamping block 23 and the support slider 20 approach each other, the pressure sensor 21 starts to be pressed and the pressure is gradually increased, when the pressure sensor 21 is gradually increased in force, the centrifugal motor 45 controls the rotation speed of the centrifugal shaft 26 to be gradually increased, when the rotating speed of the centrifugal shaft 26 is increased, the centrifugal slide block 25 is gradually far away from the centrifugal shaft 26 under the action of centrifugal force, when the rotating speed of the centrifugal shaft 26 reaches a certain value, the centrifugal slide block 25 can be contacted with the knock sensor 24, the knock sensor 24 is knocked to control the hydraulic cylinder block 18 to stop expanding and not to push the clamping block 23 forward, and the clamping force is not increased.
Before the clamping is started, the adjusting threaded shaft 35 can be driven to rotate by rotating the adjusting knob 36, due to the threaded connection, the adjusting threaded shaft 35 can move up and down relative to the equipment frame 13 when rotating, the adjusting threaded shaft 35 drives the adjusting pushing block 34 to move up and down in the adjusting cavity 30 when moving, the adjusting pushing block 34 can push three adjusting blocks 33 to move in a direction away from the adjusting threaded shaft 35 when moving upwards, the adjusting blocks 33 drive six positioning slide bars 28 to move through the adjusting pushing block 34 when moving, each positioning slide bar 28 pushes the knocking sensor 24 to move in a direction away from the adjusting threaded shaft 35 when moving, at this time, the centrifugal force required by the contact between the centrifugal slider 25 and the knocking sensor 24 is larger, that is, the rotating speed of the centrifugal shaft 26 needs to be larger, that is, the clamping force stops increasing when the pressure on the pressure sensor 21 is larger, the purpose of adjusting the preset clamping force by rotating the adjusting knob 36 is achieved.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides an irregular component anchor clamps of adjustable clamping-force, includes the equipment rack, its characterized in that: the upper part of the equipment frame is provided with two clamping mechanisms, each clamping mechanism comprises a clamping frame arranged on the upper part of the equipment frame, the two clamping frames are coaxial, the lower end face of the clamping frame is fixedly connected with the upper end face of the equipment frame, a clamping cavity is arranged in each clamping frame and penetrates through the clamping frame, three hydraulic cylinder bodies facing the clamping cavity are arranged in each clamping frame, a hydraulic cylinder body is arranged in each hydraulic cylinder body, a hydraulic plate is arranged in each hydraulic cylinder body in a sliding manner, a hydraulic rod is fixedly arranged on the end face of one side of the hydraulic plate facing the clamping cavity, a supporting chute is arranged on one side of the hydraulic plate facing the clamping cavity, a supporting slide block is arranged in each supporting chute in a sliding manner, one end of the hydraulic rod facing the clamping cavity is fixedly connected with the supporting slide block, and a pressure sensor is fixedly arranged on the end face of one side of the supporting slide block facing the clamping cavity, two buffering sliding grooves with openings facing the clamping cavity are arranged in the supporting sliding block, a buffering spring is fixedly arranged on the inner wall of one side, far away from the clamping cavity, in each buffering sliding groove, a buffering sliding block is fixedly arranged at one end, close to the clamping cavity, of each buffering spring, the buffering sliding block can slide in the buffering sliding groove, a pressure supporting rod is fixedly arranged on the end face, facing the pressure supporting rod, of each buffering sliding block, and a clamping block is fixedly arranged at one end, facing the clamping cavity, of each pressure supporting rod; the equipment frame is internally provided with a pressure regulating mechanism, the pressure regulating mechanism comprises a control cavity arranged in the equipment frame, six centrifugal shafts are fixedly arranged on the inner wall of the lower side of the control cavity in a circumferential array manner, two centrifugal springs are symmetrically and fixedly arranged on each centrifugal shaft, a centrifugal slider is fixedly arranged at one end, away from the centrifugal springs, of the centrifugal springs and can slide on the inner wall of the lower side of the control cavity, a centrifugal motor is fixedly arranged on the lower end face of each centrifugal shaft, the centrifugal motor is embedded in the equipment frame, an adjusting cavity is arranged in the equipment frame, an adjusting threaded shaft is embedded at the lower part of the equipment frame and penetrates through the inner wall of the lower side of the adjusting cavity, an adjusting knob is fixedly arranged at the lower end of the adjusting threaded shaft, an adjusting pushing block is fixedly arranged at the upper end of the adjusting threaded shaft, and three adjusting sliders are arranged in the adjusting cavity in a manner that the adjusting threaded, every adjust the slider and be close to it is equipped with the regulation bracing piece to fix on the terminal surface of adjusting the threaded shaft, adjust the bracing piece and be close to the fixed regulating block that is equipped with of one end of adjusting the threaded shaft, every adjust the threaded shaft and keep away from fixedly on one side terminal surface of adjusting the threaded shaft be equipped with two location slide bars, in the equipment frame adjust the slider and keep away from one side circumference array of adjusting the threaded shaft is equipped with six smooth chambeies of location, the location slide bar can slide in the smooth intracavity of location, every the smooth chamber top of location corresponds and is in it is equipped with the sensor of strikeing to slide on the control chamber downside inner wall, the location slide bar runs through the smooth chamber of location just the location slide bar upper end with strike sensor lower terminal surface fixed.
2. An adjustable clamping force irregularity member clamp as claimed in claim 1, wherein: the clamping mechanism comprises an infrared sensor fixedly arranged on the upper end face of the equipment frame in the clamping cavity, and the infrared sensor can control the hydraulic cylinder body to be started.
3. An adjustable clamping force irregularity member clamp as claimed in claim 1, wherein: the pressure regulating mechanism further comprises a reset spring fixedly arranged on the end face of one side, away from the adjusting threaded shaft, of the adjusting slide block, and one end, away from the adjusting threaded shaft, of the reset spring is fixedly connected to the inner wall of the adjusting cavity.
4. An adjustable clamping force irregularity member clamp as claimed in claim 1, wherein: the adjusting threaded shaft is in threaded connection with the equipment frame, and can slide up and down relative to the equipment frame when rotating.
5. An adjustable clamping force irregularity member clamp as claimed in claim 1, wherein: the rotating speeds of the six centrifugal motors are controlled by the six pressure sensors in a one-to-one correspondence mode, the rotating speed of the centrifugal motor is increased when the pressure of the pressure sensors is increased, and the centrifugal sliding block can be in contact with the corresponding knocking sensor when the rotating speed of the centrifugal shaft is increased to a certain specific value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010580648.6A CN111673643B (en) | 2020-06-23 | 2020-06-23 | Irregular component clamp capable of adjusting clamping force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010580648.6A CN111673643B (en) | 2020-06-23 | 2020-06-23 | Irregular component clamp capable of adjusting clamping force |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111673643A true CN111673643A (en) | 2020-09-18 |
| CN111673643B CN111673643B (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010580648.6A Active CN111673643B (en) | 2020-06-23 | 2020-06-23 | Irregular component clamp capable of adjusting clamping force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111673643B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6308431B1 (en) * | 1999-07-01 | 2001-10-30 | Smc Corporation | Air chuck with measuring function |
| CN106181502A (en) * | 2016-08-31 | 2016-12-07 | 张家港市华扬冶金机械有限公司 | One facilitates the irregular work piece holder of intermetallic composite coating |
| CN207736183U (en) * | 2018-01-19 | 2018-08-17 | 铜陵市三圆特种铸造有限责任公司 | A kind of cylindrical workpieces detecting tool |
| CN208438237U (en) * | 2018-05-31 | 2019-01-29 | 盐城市顺天铸造有限公司 | A kind of machining fixture convenient for adjusting |
| CN208438230U (en) * | 2018-04-08 | 2019-01-29 | 安徽协诚实业股份有限公司 | A kind of detection clamping device of corrosion-resistant workpiece |
| CN210756566U (en) * | 2019-06-27 | 2020-06-16 | 武汉固捷精工科技有限公司 | Hydraulic lathe fixture |
-
2020
- 2020-06-23 CN CN202010580648.6A patent/CN111673643B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6308431B1 (en) * | 1999-07-01 | 2001-10-30 | Smc Corporation | Air chuck with measuring function |
| CN106181502A (en) * | 2016-08-31 | 2016-12-07 | 张家港市华扬冶金机械有限公司 | One facilitates the irregular work piece holder of intermetallic composite coating |
| CN207736183U (en) * | 2018-01-19 | 2018-08-17 | 铜陵市三圆特种铸造有限责任公司 | A kind of cylindrical workpieces detecting tool |
| CN208438230U (en) * | 2018-04-08 | 2019-01-29 | 安徽协诚实业股份有限公司 | A kind of detection clamping device of corrosion-resistant workpiece |
| CN208438237U (en) * | 2018-05-31 | 2019-01-29 | 盐城市顺天铸造有限公司 | A kind of machining fixture convenient for adjusting |
| CN210756566U (en) * | 2019-06-27 | 2020-06-16 | 武汉固捷精工科技有限公司 | Hydraulic lathe fixture |
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| Publication number | Publication date |
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| CN111673643B (en) | 2021-03-09 |
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Effective date of registration: 20201026 Address after: No.20, group 9, Wutun village, Tongshan District, Xuzhou City, Jiangsu Province Applicant after: Ding Song Address before: 350000 storefront 4, building C, D, Shanhaiguan Garden (Shanhaiguan community), 80 Xihuan North Road, Hongshan Town, Gulou District, Fuzhou City, Fujian Province Applicant before: Fuzhou Gulou zhuomuno Technology Co.,Ltd. |
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Effective date of registration: 20210219 Address after: 225200 Shaobo Town Industrial Park, Jiangdu District, Yangzhou City, Jiangsu Province Applicant after: Jiangsu ruicen Automobile Co.,Ltd. Address before: 221100 No.20, group 9, Wutun village, Tongshan District, Xuzhou City, Jiangsu Province Applicant before: Ding Song |
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