CN110628962A - Full-automatic intelligent perforating machine capable of avoiding blockage based on differential motion - Google Patents
Full-automatic intelligent perforating machine capable of avoiding blockage based on differential motion Download PDFInfo
- Publication number
- CN110628962A CN110628962A CN201910937034.6A CN201910937034A CN110628962A CN 110628962 A CN110628962 A CN 110628962A CN 201910937034 A CN201910937034 A CN 201910937034A CN 110628962 A CN110628962 A CN 110628962A
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- Prior art keywords
- movably connected
- puncher
- automatic intelligent
- rotating
- piston
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- 238000004080 punching Methods 0.000 claims description 34
- 230000000670 limiting effect Effects 0.000 claims description 29
- 239000010985 leather Substances 0.000 abstract description 35
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B17/00—Details of apparatus or machines for manufacturing or treating skins, hides, leather, or furs
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B5/00—Clicking, perforating, or cutting leather
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention relates to the technical field of leather, and discloses a full-automatic intelligent perforating machine capable of avoiding blockage based on differential motion, which comprises a base, wherein the base supports the whole device, a fixed column is fixedly connected above the base, the fixed column supports a rotating shaft and enables the rotating shaft to rotate, through the matched use of an upper plate, a rotating wheel, a vertical rod, a spring and a piston, when the upper plate moves a perforating machine to move upwards, the piston moves downwards to eject leftover materials remained in the perforating machine, the blockage of the perforating machine is avoided, the service life of the device is prolonged, when the perforating machine moves downwards, the piston is driven to move upwards, the leather can be tightly attached to the perforating machine, the leather is prevented from moving during perforating, the perforating effect is improved, through the matched use of a second sliding block and a rotating disc, the rotating shaft can drive the rotating disc to synchronously rotate, so as to drive the second sliding block to reciprocate upwards and downwards, and finally, the, thereby increasing the linkage of the whole device and leading the operation of the whole device to be more convenient and simpler.
Description
Technical Field
The invention relates to the technical field of leather, in particular to a full-automatic intelligent punching machine capable of avoiding blockage based on differential motion.
Background
With the progress and development of the times, the living standard of people is continuously improved, and the comfort in daily life is more and more emphasized, various chairs, sofas, mattresses and the like manufactured by leather are in the market, on one hand, the products manufactured by leather have better corrosion resistance, and on the other hand, because the leather has natural grains and luster, the hand feeling is more comfortable, and the experience sense is better, the products are favored by consumers.
The processing process of the leather of the genuine leather animal is very complicated, wherein the finished leather can be finally prepared after the raw leather is processed by dozens of procedures, the finished leather is processed into different products according to different requirements and is put into markets for sale, uniform punching is often needed for the purpose of attractiveness or product requirements, the traditional punching machine is generally operated through simple up-and-down reciprocating motion, the position of the leather cannot be automatically adjusted, the whole leather cannot be automatically operated, the leather is required to be moved by an operator for multiple times, on one hand, the punching efficiency is reduced, on the other hand, due to errors existing in manual operation, errors are very easy to cause, and the leftover materials of the leather cannot automatically slide out through mechanical punching during punching, the punching tool is very easy to block, the machine is damaged, and the service life of the machine is shortened, further increasing the cost of leather production.
In order to solve the problems, the inventor provides a full-automatic intelligent punching machine capable of avoiding blockage based on differential motion, the full-automatic intelligent punching machine has the advantages that punching of the whole leather is completed in a full-automatic mode, a punching tool is not prone to blockage, the problems that the traditional punching semi-automation mode is adopted, the working efficiency is low, and the punching tool is blocked by rim charge are solved, the situation that when an operator uses the device for operation, the position of the leather does not need to be moved by the operator, the punching efficiency and the punching effect are improved, and the service life of the machine is prolonged.
Disclosure of Invention
Technical scheme (I)
In order to realize the purpose of fully automatically completing the punching of the whole leather and ensuring that a punching and stamping tool is not easy to block, the invention provides the following technical scheme: a full-automatic intelligent perforating machine capable of avoiding blockage based on differential motion comprises a base, wherein the base supports the whole device, a fixed column is fixedly connected to the upper portion of the base and supports a rotating shaft, the rotating shaft can rotate, the inside of the fixed column is movably connected with the rotating shaft, the right side of the rotating shaft is movably connected with a rotating drum, the rotating drum is driven to rotate synchronously when the rotating shaft rotates, a limiting plate is movably connected to the upper portion of the rotating drum, the limiting plate is driven to move when the rotating drum rotates, a moving plate is movably connected to the upper portion of the limiting plate, the limiting plate is driven to move synchronously when the moving plate moves, a support is fixedly connected to the upper portion of the base, a fixing block is fixedly connected to the outer side of the support, a perforating device is supported through the support, normal operation of the perforating device is guaranteed, a cylinder is movably connected to the lower portion, the below swing joint of fixed block has first slider, and the below swing joint of first slider has the hole puncher, and the inside swing joint of hole puncher has the piston, and the inside swing joint of hole puncher has the upper plate, and the inside swing joint of upper plate has the runner, and the top swing joint of piston has the montant, and the outside swing joint of montant has the spring, and the top swing joint of upper plate has the second slider, and the top swing joint of slider has the carousel.
Preferably, the surface of the drum is provided with an inclined annular groove, and the size of the groove is not smaller than the size of the cylinder.
Preferably, the bottom of the moving plate is designed to be wedge-shaped, and the size of the wedge-shaped groove is matched with that of the wedge-shaped groove designed in the limiting plate.
Preferably, the left side edge of the upper plate is provided with saw teeth, the saw teeth are meshed with the rotating wheel, and the gear is located at the center of the upper plate.
Preferably, the number of the vertical rods is two, the two vertical rods are consistent in specification and are movably connected through springs.
Preferably, the upper plate is movably connected with the puncher, an inner rod is movably connected inside the upper plate, saw teeth are arranged on the inner rod, and the saw teeth are meshed with the gears.
Preferably, the two sides of the moving plate are provided with limit grooves, the limit grooves on the two sides are consistent in specification, and the vertical rod is located in the center of the piston.
(II) advantageous effects
Compared with the prior art, the invention provides a full-automatic intelligent perforating machine capable of avoiding blockage based on differential motion, which has the following beneficial effects:
1. this full-automatic intelligent puncher based on poor position motion avoids blockking up uses through the cooperation of movable plate, hole puncher, rotary drum for can drive the movable plate when the rotary drum is rotatory around reaching in step and remove, reciprocating of cooperation hole puncher, thereby automatic punching of accomplishing whole leather improves the work efficiency who punches.
2. This full-automatic intelligent puncher based on differential motion avoids blockking up uses through the cooperation of upper plate, runner, montant, spring and piston for when the upper plate drives the hole puncher and shifts up, the piston moves down, thereby ejecting remaining leftover bits in the hole puncher, avoids the hole puncher to block up, prolongs the device's life, drives the piston when the hole puncher moves down and shifts up, makes the hole puncher can be hugged closely to the leather, and the leather appears removing when avoiding punching, improves the effect of punching.
3. This full-automatic intelligent puncher based on poor position motion avoids jam uses through the cooperation of rotary drum, limiting plate and movable plate for when the rotary drum is rotatory, drive the simultaneous movement of limiting plate and movable plate, thereby drive and place the leather on movable plate surface and carry out the simultaneous movement, replaced the method of traditional punching in-process manual movement leather, make the device's degree of automation higher, improve the device's speed of punching.
4. This full-automatic intelligent puncher based on poor position motion avoids blockking up uses through the cooperation of second slider and carousel for can drive the synchronous rotation of carousel when the pivot is rotatory, thereby drive second slider up-and-down motion, finally drive going on of follow-up reaction, thereby increase the linkage of whole device, make whole device operation convenient simple more.
Drawings
FIG. 1 is a schematic view of a connection structure according to the present invention, wherein each structure is in an initial state;
FIG. 2 is a diagram showing the movement traces of the structures shown in FIG. 1, in which the rotating shaft continues to rotate to drive the moving plate and the hole puncher to move synchronously;
FIG. 3 is a front view of the connecting structure of the rotating shaft, the rotating drum, the limiting plate and the moving plate according to the present invention, wherein each structure is in an original state;
FIG. 4 is a diagram showing the movement traces of the structures shown in FIG. 3, in which the rotating shaft rotates to drive the moving plate to move synchronously;
FIG. 5 is a top view of the connecting structure of the rotating drum, the limiting plate and the moving plate according to the present invention;
FIG. 6 is a diagram of the motion traces of the structures of FIG. 5 according to the present invention, when the moving plate moves synchronously;
FIG. 7 is a front view of a connection structure of a limiting plate and a moving plate according to the present invention;
FIG. 8 is a schematic view of a connection structure of the rotating drum, the limiting plate and the cylinder according to the present invention;
FIG. 9 is a schematic view of the connection between the punch and the piston according to the present invention, with the structures in their original positions;
FIG. 10 is a schematic view of the connection structure of the wheel, the stem, the spring and the piston of the present invention;
FIG. 11 is a diagram showing the movement traces of the structures shown in FIG. 10, in which the upper plate moves downward to drive the pistons to move synchronously;
FIG. 12 is a schematic view of a second slider and a turntable connection structure according to the present invention.
In the figure: 1. a base; 2. fixing a column; 3. a rotating shaft; 4. a rotating drum; 5. a limiting plate; 6. moving the plate; 7. a support; 8. a fixed block; 9. a cylinder; 10. a first slider; 11. a hole puncher; 12. a piston; 13. an upper plate; 14. a rotating wheel; 15. a vertical rod; 16. a spring; 17. a second slider; 18. a turntable.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-12, a full-automatic intelligent perforating machine for avoiding blockage based on differential motion comprises a base 1, a whole device is supported, a fixed column 2 is fixedly connected above the base 1, a rotating shaft 3 is supported and can rotate, the rotating shaft 3 is movably connected inside the fixed column 2, a rotating drum 4 is movably connected on the right side of the rotating shaft 3, an inclined annular groove is arranged on the surface of the rotating drum 4, the size of the groove is not smaller than that of a cylinder 9, the rotating drum 4 is driven to synchronously rotate when the rotating shaft 3 rotates, and the cylinder 9 drives a moving plate 6 to do left-right and front-back reciprocating motion when the rotating drum 4 rotates under the limiting action of the groove, so that a plurality of uniformly arranged round holes with the same aperture can be formed on the surface of the whole leather without manually dragging and moving the leather, the automation of the device is increased and the working efficiency is improved.
A limiting plate 5 is movably connected above the rotary drum 4, when the rotary drum 4 rotates, the limiting plate 5 is driven to move, a movable plate 6 is movably connected above the limiting plate 5, limiting grooves are formed in two sides of the movable plate 6, specifications of the limiting grooves in the two sides are consistent, a vertical rod 15 is located in the central position of a piston 12, the bottom of the movable plate 6 is designed to be wedge-shaped and is matched with the size of the wedge-shaped groove designed in the limiting plate 5, so that the movable plate 6 can move along with the limiting plate 5 and can move back and forth under the action of a groove, leather needing punching is moved, the limiting plate 5 is driven to synchronously move when the movable plate 6 moves, a bracket 7 is fixedly connected above the base 1, a fixed block 8 is fixedly connected outside the bracket 7, the punching device is supported through the bracket 7, normal operation of the device is guaranteed, a cylinder 9 is movably connected below, when the rotary drum 4 rotates, the cylinder 9 can move left and right and back and forth under the action of the groove arranged on the surface of the rotary drum 4, the lower part of the fixed block 8 is movably connected with a first slide block 10, the lower part of the first slide block 10 is movably connected with a puncher 11, the inner part of the puncher 11 is movably connected with a piston 12, when the puncher 11 moves downwards, the piston 12 moves upwards to increase the pressure of the puncher 11 and avoid the leather from shaking during punching, on the other hand, when the puncher 11 moves upwards, the piston 12 moves downwards to push out the residual round leather scraps in the puncher 11 and avoid the internal blockage of the puncher 11 and the influence on the punching effect,
an upper plate 13 is movably connected inside the puncher 11, the upper plate 13 is movably connected with the puncher 11, an inner rod is movably connected inside the upper plate 13, the inner rod is provided with sawteeth, the saw teeth are meshed with the rotating wheels 14, the left side edge of the upper plate 13 is provided with the saw teeth, the saw teeth are meshed with the rotating wheels 14, the rotating wheels 14 are positioned at the central position of the upper plate 13, the rotating wheels 14 are movably connected inside the upper plate 13, so that the upper plate 13 drives the piston 12 to move upwards when moving downwards, the outer side of the upper plate 13 is movably connected with the puncher 11, so that the puncher 11 moves synchronously along with the upper plate 13, the vertical rods 15 are movably connected above the piston 12, the number of the vertical rods 15 is two, the specifications of the two vertical rods 15 are consistent, and is movably connected through a spring 16, the outer side of the vertical rod 15 is movably connected with the spring 16, a second sliding block 17 is movably connected above the upper plate 13, and a rotating disc 18 is movably connected above the second sliding block 17.
The working principle is that the output shaft of the motor is movably connected with the rotating shaft 3, so that the rotating shaft 3 rotates, the rotating drum 4 is movably connected to the right side of the rotating shaft 3, so that the rotating drum 4 rotates, the groove is arranged on the outer side of the rotating drum 4, and is designed to be of an inclined wave-folding type, so that when the rotating drum rotates, the cylinder 9 can be driven to move along with the appearance of the groove, due to the appearance characteristics of the groove, the cylinder 9 can move left and right at the beginning, so that the limiting plate 5 is driven to move left and right, the movable plate 6 is movably connected above the limiting plate 5, so that the movable plate 6 moves left and right synchronously, the distance of moving left and right is equal to the width of the movable plate 6, so that the movable plate 6 can move from the leftmost side to the rightmost side, the rotating drum 4 continues to rotate, the movable, thereby accomplish punching to whole leather surface, need not punch the in-process manual pulling leather and can evenly punch to whole face, improve the work efficiency who punches.
The above structure and process are shown in FIGS. 3-6.
Meanwhile, the rotating shaft 3 and the rotating disc 18 are movably connected through a belt, so that the rotating shaft 3 can drive the rotating disc 18 to synchronously rotate when rotating, the second sliding block 17 is movably connected below the rotating disc 18, so that the second sliding block 17 is driven to vertically move, the upper plate 13 is movably connected below the second sliding block 17, and the puncher 11 is movably connected to the outer side of the upper plate 13, so that the puncher 11 is finally driven to synchronously reciprocate vertically, and leather is driven to reciprocate horizontally and vertically along with the moving plate 6, so that uniform punching is performed.
The above structure and process are shown in fig. 1-2 and fig. 12.
Furthermore, the inner part of the puncher 11 is movably connected with an upper plate 13, the upper plate 13 is movably connected with the puncher 11, the puncher 11 is driven to move downwards integrally in the downward moving process of the upper plate 13, so that punching is completed by downward pressing, the rotating wheel 14 is movably connected with the inner part of the upper plate 13 of the gear 4, the rotating wheel 14 is driven to rotate, the inner part of the upper plate 13 at the other part of the gear 4 is movably connected with an inner rod, the inner rod is provided with sawteeth, the sawteeth are meshed with the rotating wheel 14, so that the inner rod is driven to move upwards, the tail end of the inner rod is movably connected with a piston 12, so that the piston 12 is driven to move upwards synchronously, so that the pressure in the puncher 11 is increased, the punching part of leather is tightly attached to the puncher 11 in the downward punching process, the punching effect is prevented from being influenced by the movement of the leather, and similarly, the puncher 11 is driven to move upwards synchronously, the, the inner rod and the piston 12 are driven to synchronously move downwards, and when the piston 12 moves downwards, the round leftover materials left after punching are ejected out, so that the phenomenon that the leftover materials are left in the puncher 11 to block the puncher 11 is avoided.
The structure and process are shown in FIGS. 10-11.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a full-automatic intelligent puncher based on difference position motion avoids blockking up, includes base (1), its characterized in that: the punching machine is characterized in that a fixed column (2) is fixedly connected to the upper portion of a base (1), a rotating shaft (3) is movably connected to the inner portion of the fixed column (2), a rotating drum (4) is movably connected to the right side of the rotating shaft (3), a limiting plate (5) is movably connected to the upper portion of the rotating drum (4), a movable plate (6) is movably connected to the upper portion of the limiting plate (5), a support (7) is fixedly connected to the upper portion of the base (1), a fixed block (8) is fixedly connected to the outer side of the support (7), a cylinder (9) is movably connected to the lower portion of the limiting plate (5), a first sliding block (10) is movably connected to the lower portion of the fixed block (8), a puncher (11) is movably connected to the lower portion of the first sliding block (10), a piston (12) is movably connected to the inner portion of the puncher (11, a vertical rod (15) is movably connected above the piston (12), a spring (16) is movably connected outside the vertical rod (15), a second sliding block (17) is movably connected above the first sliding block (10), and a rotating disc (18) is movably connected above the second sliding block (17).
2. The fully automatic intelligent hole puncher of claim 1 for avoiding jamming based on differential motion, wherein: the surface of the rotating drum (4) is provided with an inclined annular groove, and the size of the groove is not smaller than that of the cylinder (9).
3. The fully automatic intelligent hole puncher of claim 1 for avoiding jamming based on differential motion, wherein: the bottom of the moving plate (6) is designed to be wedge-shaped, and the size of the wedge-shaped groove is matched with that of the wedge-shaped groove designed in the limiting plate (5).
4. The fully automatic intelligent hole puncher of claim 1 for avoiding jamming based on differential motion, wherein: the left side edge of the upper plate (13) is provided with sawteeth, the sawteeth are meshed with the rotating wheel (14), and the rotating wheel (14) is positioned in the center of the upper plate (13).
5. The fully automatic intelligent hole puncher of claim 1 for avoiding jamming based on differential motion, wherein: the number of the vertical rods (15) is two, the two vertical rods (15) are consistent in specification and are movably connected through springs (16).
6. The fully automatic intelligent hole puncher of claim 1 for avoiding jamming based on differential motion, wherein: the upper plate (13) is movably connected with the puncher (11), an inner rod is movably connected inside the upper plate (13), sawteeth are arranged on the inner rod, and the sawteeth are meshed with the rotating wheels (14).
7. The fully automatic intelligent hole puncher of claim 1 for avoiding jamming based on differential motion, wherein: limiting grooves are formed in two sides of the moving plate (6), the specifications of the limiting grooves in the two sides are consistent, and the vertical rod (15) is located in the center of the piston (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910937034.6A CN110628962B (en) | 2019-09-29 | 2019-09-29 | Full-automatic intelligent perforating machine capable of avoiding blockage based on differential motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910937034.6A CN110628962B (en) | 2019-09-29 | 2019-09-29 | Full-automatic intelligent perforating machine capable of avoiding blockage based on differential motion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110628962A true CN110628962A (en) | 2019-12-31 |
| CN110628962B CN110628962B (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910937034.6A Expired - Fee Related CN110628962B (en) | 2019-09-29 | 2019-09-29 | Full-automatic intelligent perforating machine capable of avoiding blockage based on differential motion |
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| Country | Link |
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| CN (1) | CN110628962B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1123786A1 (en) * | 1982-12-07 | 1984-11-15 | Предприятие П/Я М-5339 | Device for manufacturing ring articles from wire |
| CN104495363A (en) * | 2014-10-28 | 2015-04-08 | 东莞市龙顺自动化科技有限公司 | Reciprocating shifting device |
| CN104885654A (en) * | 2015-06-26 | 2015-09-09 | 广西大学 | Three-head hand-cranking plant planting soil holing machine |
| CN206718016U (en) * | 2017-05-17 | 2017-12-08 | 浙江云广印业股份有限公司 | A kind of fully automatic perforator |
| CN208019242U (en) * | 2018-03-17 | 2018-10-30 | 蓝山县金山川粉末冶金有限公司 | A kind of continuous punching die of automatic material returning |
| CN208055373U (en) * | 2018-03-09 | 2018-11-06 | 佛山市威弘皮革有限公司 | A kind of leather machine for leather punching |
| CN208883916U (en) * | 2018-08-13 | 2019-05-21 | 泉州红晟鞋业有限公司 | A kind of leather shoes production leather punching equipment |
-
2019
- 2019-09-29 CN CN201910937034.6A patent/CN110628962B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1123786A1 (en) * | 1982-12-07 | 1984-11-15 | Предприятие П/Я М-5339 | Device for manufacturing ring articles from wire |
| CN104495363A (en) * | 2014-10-28 | 2015-04-08 | 东莞市龙顺自动化科技有限公司 | Reciprocating shifting device |
| CN104885654A (en) * | 2015-06-26 | 2015-09-09 | 广西大学 | Three-head hand-cranking plant planting soil holing machine |
| CN206718016U (en) * | 2017-05-17 | 2017-12-08 | 浙江云广印业股份有限公司 | A kind of fully automatic perforator |
| CN208055373U (en) * | 2018-03-09 | 2018-11-06 | 佛山市威弘皮革有限公司 | A kind of leather machine for leather punching |
| CN208019242U (en) * | 2018-03-17 | 2018-10-30 | 蓝山县金山川粉末冶金有限公司 | A kind of continuous punching die of automatic material returning |
| CN208883916U (en) * | 2018-08-13 | 2019-05-21 | 泉州红晟鞋业有限公司 | A kind of leather shoes production leather punching equipment |
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| CN110628962B (en) | 2020-10-16 |
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Effective date of registration: 20200914 Address after: Floor 1, No.2, zhanghoutang District, Chenhu village, Puyang Street, Pujiang County, Jinhua City, Zhejiang Province Applicant after: Pujiang Gongqi Machinery Co.,Ltd. Address before: 311100 room 506-2, building 6, Xixi letiancheng, Wuchang Street, Yuhang District, Hangzhou City, Zhejiang Province Applicant before: Hangzhou binge Technology Co.,Ltd. |
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