CN114346789A - Continuous production precision grinder - Google Patents
Continuous production precision grinder Download PDFInfo
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- CN114346789A CN114346789A CN202111612838.2A CN202111612838A CN114346789A CN 114346789 A CN114346789 A CN 114346789A CN 202111612838 A CN202111612838 A CN 202111612838A CN 114346789 A CN114346789 A CN 114346789A
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- 238000010924 continuous production Methods 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 239000004575 stone Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 230000009351 contact transmission Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000003860 storage Methods 0.000 description 9
- 239000012530 fluid Substances 0.000 description 7
- 238000005498 polishing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention provides a continuous production precision grinding machine which comprises a machine body base, wherein a grinding cavity with an upward opening is arranged in the machine body base, supporting blocks which are symmetrical with the left and right positions of the grinding cavity are fixedly arranged on the upper surface of the machine body base, side walls of the two supporting blocks are fixedly provided with girders, a first sliding groove with a downward opening is arranged in each girder, and a first motor is arranged in the top wall of each first sliding groove; the second friction wheel that this invention was equipped with just can remove under first electric putter's drive, plays control second friction wheel and first friction wheel contact transmission power and drives second transmission shaft pivoted effect, and two second transmission shafts just can each other noninterference's rotation, can rotate alone, and the movable block just can remove under second electric putter's drive, thereby play the effect that the removal of control movable block moved and drive the work piece removal of pressing from both sides the tight intracavity.
Description
Technical Field
The invention relates to the field of precision grinding machines, in particular to a continuous production precision grinding machine.
Background
Grinding machines are machine tools that grind the surface of a workpiece with grindstones, most of which use a grinding wheel rotating at high speed to grind, and few of which use other grindstones such as oilstones and abrasive belts and free abrasives to grind.
When polishing and grinding are carried out on the end faces of workpieces in the prior art, the workpieces are manually assembled and disassembled, when large batches of workpieces are machined, machining efficiency is seriously affected, single parts or a plurality of parts are machined simultaneously, a machine needs to be stopped after grinding, then the workpieces are taken, and continuous production cannot be carried out.
Disclosure of Invention
The invention aims to provide a continuous production precision grinding machine which is used for overcoming the defects in the prior art.
The invention relates to a continuous production precision grinding machine, which comprises a machine body base, wherein a grinding cavity with an upward opening is arranged in the machine body base, supporting blocks which are symmetrical with the left and right positions of the grinding cavity are fixedly arranged on the upper surface of the machine body base, side walls of the two supporting blocks are fixedly provided with girders, first chutes with downward openings are arranged in the girders, first motors are arranged in the top walls of the first chutes, first transmission shafts which are rotatably connected with the bottom walls of the grinding cavity are arranged on the lower end surfaces of the first motors, first friction wheels are fixedly arranged on the first transmission shafts in the first chutes, grinding stones are fixedly arranged on the first transmission shafts in the grinding cavity, first slide blocks which are symmetrical with the left and right positions of the first transmission shafts are arranged in the first chutes, pushing assemblies for driving the first slide blocks to move are arranged in the first chutes, transmission cavities with openings facing the first friction wheels are arranged in the first slide blocks, the top wall of the transmission cavity is rotatably provided with a second transmission shaft penetrating through the lower surface of the crossbeam, a second friction wheel capable of being meshed with the first friction wheel is fixedly arranged on the second transmission shaft, a connecting plate is fixedly arranged at the lower end of the second transmission shaft, a moving block is arranged below the connecting plate, a moving assembly for driving the moving block to move is arranged in the connecting plate, a clamping cavity with a downward opening is arranged in the moving block, and an auxiliary assembly capable of clamping a workpiece and providing downward pressure during polishing is arranged in the clamping cavity.
Thus, the grinding stone and the first friction wheel can be driven by the first motor to rotate simultaneously.
According to a further technical scheme, the pushing assembly comprises first electric push rods which are arranged in the left side wall and the right side wall of the first sliding groove and are symmetrical in position, and the output ends of the first electric push rods are fixedly connected with the first sliding blocks.
Therefore, the second friction wheel is arranged to move under the driving of the first electric push rod, the effect of controlling the second friction wheel to be in contact with the first friction wheel to transmit power to drive the second transmission shaft to rotate is achieved, the two second transmission shafts can rotate without interfering with each other, and the two second transmission shafts can rotate independently.
According to a further technical scheme, the moving assembly comprises a second electric push rod arranged in the bottom wall of the connecting plate, and the output end of the second electric push rod is fixedly connected with the moving block.
Therefore, the moving block can move under the driving of the second electric push rod, and the effect of controlling the moving block to move so as to drive the workpiece in the clamping cavity to move is achieved.
According to a further technical scheme, a second sliding groove which is symmetrical about the left and right positions of the second electric push rod and penetrates through the upper surface and the lower surface of the connecting plate is arranged in the connecting plate, a sliding rod fixedly connected with the moving block is arranged in the second sliding groove in a sliding mode, and a first spring fixedly connected with the connecting plate and the moving block is arranged on the sliding rod.
Therefore, the first spring can absorb the vibration of the moving block during moving, so that the amplitude of the workpiece is reduced, and the effect of the workpiece is reduced.
Further technical scheme, the auxiliary assembly including set up in press from both sides in the lateral wall about the tight chamber and position symmetry and with press from both sides the cooperation chamber that the tight chamber communicates each other, press from both sides tight chamber roof and install third electric putter, the third electric putter output set firmly extend to the compact heap of cooperation intracavity.
Therefore, the pressing block can move under the driving of the third electric push rod, and the effect of pressing the workpiece downwards is achieved.
According to the technical scheme, the matching cavity is internally communicated with a spring cavity, a clamping block which is connected with the matching cavity in a sliding mode is arranged in the spring cavity in a sliding mode, the clamping block is connected with the spring cavity through a second spring, and the clamping block is connected with the pressing block in an abutting-pressing mode.
Like this, the clamp splice that is equipped with just can remove under the effect of second spring, presss from both sides the effect of tight work piece, also can loosen the restriction to the work piece at the compact heap push down work piece simultaneously, makes things convenient for the compact heap to press the work piece at the grindstone surface and carries out grinding and polishing.
Further technical scheme, grind the chamber left and be equipped with the storage chamber, the storage chamber with grind the chamber and be linked together through the connecting pipe, install the filter in the connecting pipe, the water pump is installed to storage chamber diapire, grind the chamber and set firmly the nozzle in the lateral wall about, the nozzle with the water pump leads to pipe and is linked together.
Like this, when the water pump that is equipped with started, can pass through the water pipe with the grinding fluid of storage intracavity and pump into in the nozzle, then spout in work piece grinding department through the nozzle, play the effect for work piece grinding department cooling, and the filter can filter the metal debris in the grinding fluid of working, plays the effect of reuse grinding fluid.
According to a further technical scheme, the upper surface of the machine body base is fixedly provided with a supporting seat which is symmetrical with the left and right positions of the grinding cavity, and a conveying belt is arranged in the supporting seat.
Therefore, the workpiece can be driven by the conveying belt to move, and the workpiece is conveyed.
The invention has the beneficial effects that:
first, the second friction wheel that this invention was equipped with just can remove under the drive of first electric putter, plays control second friction wheel and first friction wheel contact transmission power and drives the pivoted effect of second transmission shaft, and two second transmission shafts just can each other noninterference's rotation, can rotate alone.
Secondly, the moving block arranged in the clamping device can move under the driving of the second electric push rod, the action of controlling the moving block to move so as to drive the workpiece in the clamping cavity to move is achieved, and the first spring can absorb the vibration generated when the moving block moves, so that the amplitude of the workpiece is reduced, and the workpiece is reduced.
Thirdly, the pressing block provided by the invention can move under the driving of the third electric push rod to play a role of pressing a workpiece downwards, the clamping block provided by the invention can move under the action of the second spring to clamp the workpiece, and meanwhile, the workpiece can be pressed under the pressing block to release the limitation on the workpiece, so that the workpiece can be pressed on the surface of the grinding stone by the pressing block conveniently to be ground and polished.
Drawings
FIG. 1 is a schematic view of the external appearance of a continuous production precision grinding machine according to the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 taken at A-A in accordance with the present invention;
FIG. 3 is a schematic view of the pushing assembly of FIG. 2 according to the present invention;
FIG. 4 is a schematic diagram of the auxiliary assembly of FIG. 2 according to the present invention;
fig. 5 is a schematic structural diagram of the transmission belt in fig. 2 according to the present invention.
Detailed Description
For purposes of making the objects and advantages of the invention more apparent, the following detailed description of the invention, taken in conjunction with the examples, should be understood that the following text is intended only to describe one continuous production precision grinding machine or several specific embodiments of the invention, and not to strictly limit the scope of the invention as specifically claimed, as used herein, the terms upper, lower, left and right are not limited to strict geometric definitions thereof, but rather include tolerances for machining or human error rationality and inconsistency, the specific features of which are set forth in detail below:
referring to fig. 1 to 5, a continuous production precision grinding machine according to an embodiment of the present invention includes a machine base 11, a grinding cavity 13 with an upward opening is disposed in the machine base 11, support blocks 18 symmetrical with respect to the left and right positions of the grinding cavity 13 are fixedly disposed on an upper surface of the machine base 11, girders 21 are fixedly disposed on side walls of the two support blocks 18, a first chute 20 with a downward opening is disposed in the girders 21, a first motor 23 is mounted in a top wall of the first chute 20, a first transmission shaft 14 rotatably connected with a bottom wall of the grinding cavity 13 is mounted on a lower end surface of the first motor 23, a first friction wheel 26 is fixedly disposed on the first transmission shaft 14 in the first chute 20, a grinding stone 15 is fixedly disposed on the first transmission shaft 14 in the grinding cavity 13, a first slide block 22 symmetrical with respect to the left and right positions of the first transmission shaft 14 is disposed in the first chute 20, a pushing assembly 46 for driving the first sliding block 22 to move is arranged in the first sliding groove 20, a transmission cavity 25 with an opening facing the first friction wheel 26 is arranged in the first sliding block 22, a second transmission shaft 24 penetrating through the lower surface of the girder 21 is rotatably arranged on the top wall of the transmission cavity 25, a second friction wheel 27 capable of being meshed with the first friction wheel 26 is fixedly arranged on the second transmission shaft 24, a connecting plate 17 is fixedly arranged at the lower end of the second transmission shaft 24, a moving block 16 is arranged below the connecting plate 17, a moving assembly 47 for driving the moving block 16 to move is arranged in the connecting plate 17, a clamping cavity 39 with a downward opening is arranged in the moving block 16, and an auxiliary assembly 48 capable of clamping a workpiece and providing a downward pressure during polishing is arranged in the clamping cavity 39.
Advantageously or exemplarily, the pushing assembly 46 includes first electric push rods 19 disposed in the left and right side walls of the first sliding chute 20 and having symmetrical positions, an output end of the first electric push rod 19 is fixedly connected to the first sliding block 22, when the first electric push rod 19 is activated, the first electric push rod 19 can push the first sliding block 22 to move, and the first sliding block 22 is driven to move by the second transmission shaft 24.
Beneficially or exemplarily, the moving assembly 47 includes a second electric push rod 34 disposed in the bottom wall of the connecting plate 17, an output end of the second electric push rod 34 is fixedly connected to the moving block 16, and when the second electric push rod 34 is activated, the second electric push rod 34 can drive the moving block 16 to move.
Beneficially or exemplarily, a second sliding groove 33 is formed in the connecting plate 17, and is symmetrical with respect to the left and right positions of the second electric push rod 34 and penetrates through the upper surface and the lower surface of the connecting plate 17, a sliding rod 32 fixedly connected with the moving block 16 is slidably disposed in the second sliding groove 33, a first spring 30 fixedly connected with the connecting plate 17 and the moving block 16 is disposed on the sliding rod 32, and when the moving block 16 moves, the first spring 30 can absorb the vibration generated when the moving block 16 moves up and down.
Advantageously or exemplarily, the auxiliary assembly 48 includes a matching cavity 29 which is disposed in the left and right side walls of the clamping cavity 39 and is symmetrical in position, and is communicated with the clamping cavity 39, a third electric push rod 37 is mounted on the top wall of the clamping cavity 39, a pressing block 38 extending into the matching cavity 29 is fixedly disposed at the output end of the third electric push rod 37, and when the third electric push rod 37 is activated, the third electric push rod 37 pushes the pressing block 38 to move.
Advantageously or exemplarily, a spring cavity 36 is arranged in the matching cavity 29 in a communicating manner, a clamping block 35 slidably connected with the matching cavity 29 is arranged in the spring cavity 36 in a sliding manner, the clamping block 35 is connected with the spring cavity 36 through a second spring 28, the clamping block 35 is connected with the pressing block 38 in a pressing manner, when the pressing block 38 moves downwards, the clamping block 35 is driven to move, and when the clamping block 35 is retracted, the clamping block 35 moves and resets under the action of the second spring 28.
Beneficially or exemplarily, a storage chamber 12 is arranged at the left side of the grinding chamber 13, the storage chamber 12 is communicated with the grinding chamber 13 through a connecting pipe 44, a filter 43 is arranged in the connecting pipe 44, a water pump 45 is arranged on the bottom wall of the storage chamber 12, nozzles 42 are fixedly arranged in the left side wall and the right side wall of the grinding chamber 13, the nozzles 42 are communicated with the water pump 45 through a water pipe 31, when the water pump 45 is started, grinding fluid in the storage chamber 12 can be pumped into the nozzles 42 through the water pipe 31 and then sprayed to a workpiece grinding part through the nozzles 42, and the filter 43 can filter metal debris in the working grinding fluid.
Advantageously or exemplarily, the upper surface of the machine body base 11 is fixedly provided with a support base 41 which is symmetrical with respect to the left and right positions of the grinding chamber 13, and a conveyor belt 40 is installed in the support base 41 and can drive the workpiece placed thereon to move when the conveyor belt 40 is activated.
The invention relates to a continuous production precision grinding machine, which comprises the following working procedures:
when a workpiece needs to be ground, the workpiece is placed on a transmission belt 40, the transmission belt 40 is started to drive the placed workpiece to move to the position below a moving block 16, then a second electric push rod 34 is started to drive the moving block 16 to move downwards to wrap the workpiece, the workpiece is located in a clamping cavity 39, then a third electric push rod 37 is started to drive a pressing block 38 to move upwards to release the limit of the clamping block 35, the clamping block 35 clamps the workpiece under the action of a second spring 28, then the second electric push rod 34 is started to retract the moving block 16, meanwhile, a first motor 23 is started to drive a first friction wheel 26 and a grinding stone 15 to rotate, then a first electric push rod 19 is started to drive a second friction wheel 27 to be in contact engagement with the first friction wheel 26 to enable the moving block 16 to rotate, then the second electric push rod 34 starts to lower the moving block 16 to enable the workpiece to just contact the surface of the grinding stone 15, then a third electric push rod 37 is started to drive the pressing block 38 to press the workpiece downwards, and meanwhile the clamping block 35 loosens the workpiece to fix the workpiece The pressing block 38 extrudes the workpiece to enable the cutting force of the workpiece on the surface of the grinding stone 15 to be larger and to be ground faster, the water pump 45 is started to pump grinding fluid filtered by the filter 43 in the storage cavity 12 into the nozzle 42 through the water pipe 31, then the grinding fluid is sprayed to the grinding part of the workpiece through the nozzle 42 to be cooled, then the third electric push rod 37 drives the pressing block 38 to withdraw to enable the clamping block 35 to clamp the workpiece again after the grinding is finished, then the second electric push rod 34 and the first electric push rod 19 simultaneously start the workpiece processed by the matching piece to be placed on the conveying belt 40, then the conveying belt 40 is started to replace the next workpiece, the actions are repeated, and continuous operation is carried out.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.
Claims (6)
1. The utility model provides a continuous production precision grinder, includes organism base (11), its characterized in that: a grinding cavity (13) with an upward opening is arranged in the machine body base (11), supporting blocks (18) with symmetrical left and right positions relative to the grinding cavity (13) are fixedly arranged on the upper surface of the machine body base (11), girders (21) are fixedly arranged on the side walls of the two supporting blocks (18), a first sliding chute (20) with a downward opening is arranged in each girder (21), a first motor (23) is arranged in the top wall of each first sliding chute (20), a first transmission shaft (14) rotationally connected with the bottom wall of the grinding cavity (13) is arranged on the lower end surface of each first motor (23), a first friction wheel (26) is fixedly arranged on each first transmission shaft (14) in each first sliding chute (20), grinding stones (15) are fixedly arranged on each first transmission shaft (14) in the grinding cavity (13), and first sliding blocks (22) with symmetrical left and right positions relative to the first transmission shaft (14) are arranged in each first sliding chute (20), a pushing component (46) for driving the first sliding block (22) to move is arranged in the first sliding chute (20), a transmission cavity (25) with an opening facing the first friction wheel (26) is arranged in the first sliding block (22), a second transmission shaft (24) penetrating through the lower surface of the girder (21) is rotatably arranged on the top wall of the transmission cavity (25), a second friction wheel (27) which can be meshed with the first friction wheel (26) is fixedly arranged on the second transmission shaft (24), a connecting plate (17) is fixedly arranged at the lower end of the second transmission shaft (24), a moving block (16) is arranged below the connecting plate (17), a moving component (47) for driving the moving block (16) to move is arranged in the connecting plate (17), a clamping cavity (39) with a downward opening is formed in the moving block (16), and an auxiliary assembly (48) capable of clamping a workpiece and providing downward pressure during grinding is arranged in the clamping cavity (39).
2. The continuous production precision grinding machine according to claim 1, characterized in that: the pushing assembly (46) comprises first electric push rods (19) which are arranged in the left side wall and the right side wall of the first sliding groove (20) and are symmetrical in position, and the output ends of the first electric push rods (19) are fixedly connected with the first sliding blocks (22).
3. The continuous production precision grinding machine according to claim 1, characterized in that: the moving assembly (47) comprises a second electric push rod (34) arranged in the bottom wall of the connecting plate (17), and the output end of the second electric push rod (34) is fixedly connected with the moving block (16).
4. A continuous production precision grinding machine according to claim 3, characterized in that: a second sliding groove (33) which is symmetrical about the second electric push rod (34) in the left-right position and penetrates through the upper surface and the lower surface of the connecting plate (17) is formed in the connecting plate (17), a sliding rod (32) fixedly connected with the moving block (16) is arranged in the second sliding groove (33) in a sliding mode, and a first spring (30) fixedly connected with the connecting plate (17) and the moving block (16) is arranged on the sliding rod (32).
5. The continuous production precision grinding machine according to claim 1, characterized in that: auxiliary assembly (48) including set up in press from both sides in the lateral wall and position symmetry about tight chamber (39) and with press from both sides the cooperation chamber (29) that tight chamber (39) communicate each other, press from both sides tight chamber (39) roof and install third electric putter (37), third electric putter (37) output has set firmly and extends to compact heap (38) in the cooperation chamber (29).
6. The continuous production precision grinding machine according to claim 5, characterized in that: the spring cavity (36) is arranged in the matching cavity (29) in a communicated mode, the clamping block (35) which is connected with the matching cavity (29) in a sliding mode is arranged in the spring cavity (36) in the sliding mode, the clamping block (35) is connected with the spring cavity (36) through the second spring (28), and the clamping block (35) is connected with the pressing block (38) in a pressing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111612838.2A CN114346789A (en) | 2021-12-27 | 2021-12-27 | Continuous production precision grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111612838.2A CN114346789A (en) | 2021-12-27 | 2021-12-27 | Continuous production precision grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114346789A true CN114346789A (en) | 2022-04-15 |
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ID=81101244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111612838.2A Pending CN114346789A (en) | 2021-12-27 | 2021-12-27 | Continuous production precision grinder |
Country Status (1)
| Country | Link |
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| CN (1) | CN114346789A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11267957A (en) * | 1998-03-23 | 1999-10-05 | Tdk Corp | Continuous grinding device |
| DE102007021659A1 (en) * | 2007-05-04 | 2008-11-06 | Nagel Maschinen- Und Werkzeugfabrik Gmbh | Surface grinding method for producing flat work piece surface in surface grinding machine, involves producing eccentric rotary motion of grinding spindle about grinding unit axis that is arranged in eccentric distance to spindle axis |
| CN105773365A (en) * | 2015-01-08 | 2016-07-20 | 株式会社捷太格特 | Composite Grinder And Grinding Method |
| CN208005321U (en) * | 2017-12-30 | 2018-10-26 | 东莞市晗泰精密金属制品有限公司 | A kind of unmanned plane finger shaft gear end face grinding device |
| CN110977752A (en) * | 2019-12-31 | 2020-04-10 | 朱慧 | Full-automatic grinding equipment for outer ring of integral bearing bush workpiece |
| CN111037384A (en) * | 2019-11-29 | 2020-04-21 | 宣城坚腾智能传动设备有限公司 | A equipment for being directed at gear is polished and is handled |
| CN112658848A (en) * | 2019-10-16 | 2021-04-16 | 怀化珠华制造有限公司 | End surface polishing device |
| CN113290436A (en) * | 2021-06-09 | 2021-08-24 | 陶家旺 | Automatic grinding equipment for guide vane end face |
-
2021
- 2021-12-27 CN CN202111612838.2A patent/CN114346789A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11267957A (en) * | 1998-03-23 | 1999-10-05 | Tdk Corp | Continuous grinding device |
| DE102007021659A1 (en) * | 2007-05-04 | 2008-11-06 | Nagel Maschinen- Und Werkzeugfabrik Gmbh | Surface grinding method for producing flat work piece surface in surface grinding machine, involves producing eccentric rotary motion of grinding spindle about grinding unit axis that is arranged in eccentric distance to spindle axis |
| CN105773365A (en) * | 2015-01-08 | 2016-07-20 | 株式会社捷太格特 | Composite Grinder And Grinding Method |
| CN208005321U (en) * | 2017-12-30 | 2018-10-26 | 东莞市晗泰精密金属制品有限公司 | A kind of unmanned plane finger shaft gear end face grinding device |
| CN112658848A (en) * | 2019-10-16 | 2021-04-16 | 怀化珠华制造有限公司 | End surface polishing device |
| CN111037384A (en) * | 2019-11-29 | 2020-04-21 | 宣城坚腾智能传动设备有限公司 | A equipment for being directed at gear is polished and is handled |
| CN110977752A (en) * | 2019-12-31 | 2020-04-10 | 朱慧 | Full-automatic grinding equipment for outer ring of integral bearing bush workpiece |
| CN113290436A (en) * | 2021-06-09 | 2021-08-24 | 陶家旺 | Automatic grinding equipment for guide vane end face |
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Effective date of registration: 20240426 Address after: 314500 Room 635-708, Fengrun International Business Center, Zhenxing East Road, wutong Street, Tongxiang City, Jiaxing City, Zhejiang Province Applicant after: JIAXING LONGLIE ELECTRONIC COMMERCE Co.,Ltd. Country or region after: China Address before: 465150 No. 319, Gongqu Road, Shihe District, Xinyang City, Henan Province Applicant before: Li Hejiang Country or region before: China |