CN109537197B - Lubricating device for cutter structure - Google Patents
Lubricating device for cutter structure Download PDFInfo
- Publication number
- CN109537197B CN109537197B CN201811366427.8A CN201811366427A CN109537197B CN 109537197 B CN109537197 B CN 109537197B CN 201811366427 A CN201811366427 A CN 201811366427A CN 109537197 B CN109537197 B CN 109537197B
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- oil
- cutter
- sleeve
- storage sleeve
- line
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- 230000001050 lubricating effect Effects 0.000 title claims abstract description 29
- 239000003921 oil Substances 0.000 claims abstract description 247
- 239000010687 lubricating oil Substances 0.000 claims abstract description 15
- 238000009958 sewing Methods 0.000 claims abstract description 11
- 238000005461 lubrication Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 229920000742 Cotton Polymers 0.000 claims description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 239000010721 machine oil Substances 0.000 claims description 2
- 239000000446 fuel Substances 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B71/00—Lubricating or cooling devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
- Drilling And Boring (AREA)
Abstract
The invention provides a lubricating device for a cutter structure, and belongs to the technical field of sewing equipment. It has solved current cutter shaft and has adopted artifical mode lubrication efficiency low and forget lubricated problem easily. This a lubricating arrangement for cutter structure establishes the sleeve on the cutter axle including cutter axle and cover, has seted up first oilhole in the cutter axle, be equipped with first oil inlet and first oil-out on the first oilhole, first oil-out be located above-mentioned cutter axle and telescopic clearance department and with the clearance intercommunication, be equipped with first oil line in the first oilhole, first oil line one end is stretched out above-mentioned first oil-out and is located above-mentioned clearance department, and the other end stretches out above-mentioned first oil inlet and stretches into in the lubricating oil of the last oil storage tank of sewing machine through oil feed mechanism. This a lubricating arrangement for cutter structure has automatic fuel feeding lubrication and simple structure, advantage with low costs.
Description
Technical Field
The invention belongs to the technical field of sewing equipment, and relates to a lubricating device for a cutter structure.
Background
The cutter structure of the existing flat seaming machine generally comprises a lower cutter, an upper cutter, a cutter shaft, a feed lifting shaft and other structures, wherein the lower cutter is fixedly installed and is in a static state, the upper cutter is fixedly installed on the cutter shaft, the feed lifting shaft swings to drive the cutter shaft to swing, then the upper cutter is driven to swing around the cutter shaft, and the upper cutter and the lower cutter are meshed to realize cloth cutting.
The sewing machine comprises a frame, a curved needle frame and a curved needle arranged on the curved needle frame, the cutter structure comprises a fixed cutter seat, a fixed cutter fixedly arranged on the fixed cutter seat, a movable cutter fixedly arranged on the movable cutter seat and a movable cutter shaft, the movable cutter seat is connected with one end of the movable cutter shaft, and the movable cutter and the fixed cutter can form shearing motion when the movable cutter seat is driven by the movable cutter shaft to swing; the device is characterized in that a rotary wrench is arranged on the rack, a lifting rod capable of driving the rotary wrench to rotate is connected to the needle bending frame, a crank is fixedly arranged on the movable cutter shaft, a guide block is arranged on one side of the crank, and an inclined guide surface is arranged on one side of the guide block; the rotary wrench is provided with a driving rod, and the end part of the driving rod can abut against the guide surface; the movable cutter shaft is provided with a first elastic part capable of resetting the movable cutter shaft, and the rotary wrench is provided with a second elastic part capable of resetting the rotary wrench. The patent discloses a comparatively common cutter structure at present, but the cover is equipped with the sleeve on its cutter axle, the sleeve is fixed motionless, the relative sleeve of cutter axle during operation rotates around cutter axle self axial lead, when rotating at a high speed, the cutter axle can because with sleeve inner wall contact friction, the friction can wear and tear, thereby lead to the clearance grow between cutter axle and the sleeve, thereby lead to the meshing angle of cutter to change, make the meshing effect between upper slitter and the lower slitter worsen, thereby very easily lead to cutter wearing and tearing to influence normal use. In order to solve the problem, an oil lubrication mode is generally adopted, lubricating oil is added into a gap between a cutter shaft and a sleeve for lubrication, but at present, the lubricating oil is generally dripped in a manual mode for lubrication, and the problems of the lubricating oil are as follows: the manual lubrication efficiency is low, and after heavy work, operators forget oil dripping lubrication operation easily, so that the cutter shaft is seriously abraded, and normal work is influenced.
Disclosure of Invention
The invention aims to solve the problems and provides a lubricating device for a cutter structure.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a lubricating arrangement for cutter structure, includes cutter axle and the sleeve of cover on the cutter axle, its characterized in that: the sewing machine oil storage tank is characterized in that a first oil hole is formed in the cutter shaft, a first oil inlet and a first oil outlet are formed in the first oil hole, the first oil outlet is located in a gap between the cutter shaft and the sleeve and communicated with the gap, a first oil line is arranged in the first oil hole, one end of the first oil line stretches out of the first oil outlet and is located in the gap, and the other end of the first oil line stretches out of the first oil inlet and stretches into lubricating oil in an oil storage tank on the sewing machine through an oil feeding mechanism.
In the lubricating device for the cutter structure, the first oil hole is linear, and the center line of the first oil hole coincides with the axial line of the cutter shaft.
In the lubricating device for the cutter structure, the central lines of the first oil inlet and the first oil outlet are perpendicular to the central line of the first oil hole.
In the lubricating device for the cutter structure, the oil inlet mechanism comprises a first oil storage sleeve, a second oil storage sleeve and a second oil hole arranged on the feed lifting shaft, the second oil hole is provided with a second oil inlet and a second oil outlet, the first oil storage sleeve is arranged on the cutter shaft and is in oil-tight connection with the cutter shaft, the second oil storage sleeve is arranged on the feed lifting shaft and is in oil-tight connection with the feed lifting shaft, an inner cavity of the first oil storage sleeve and an inner cavity of the second oil storage sleeve are mutually communicated through an oil supply copper pipe, the first oil inlet is communicated with the inner cavity of the first oil storage sleeve, the second oil outlet is communicated with the inner cavity of the second oil storage sleeve, an inner cavity of the first oil storage sleeve is filled with first oil cotton, an inner cavity of the second oil storage sleeve is filled with second oil cotton, an oil transfer line is arranged in the oil supply copper pipe, and two ends of the oil transfer line are respectively in contact connection with the first oil cotton and the second oil cotton, the other end of the first oil line is in contact connection with the first oil cotton, a second oil line is arranged in the second oil hole, one end of the second oil line extends out of the second oil outlet to be in contact connection with the second oil cotton, and the other end of the second oil line extends out of the second oil inlet and then extends into lubricating oil in the oil storage tank on the sewing machine.
In the lubricating device for the cutter structure, the second oil hole is linear, and the center line of the second oil hole coincides with the axial line of the feed lifting tooth shaft.
In the lubricating device for the cutter structure, the central lines of the second oil inlet and the second oil outlet are perpendicular to the central line of the second oil hole.
In the lubricating device for the cutter structure, two ends of the oil supply copper pipe are respectively fixedly connected with the first oil storage sleeve and the second oil storage sleeve in a welding manner.
In the lubricating device for the cutter structure, the cutter shaft is further sleeved with a check ring for axially limiting the first oil storage sleeve.
In the lubricating device for the cutter structure, the number of the sleeves is two, and the first oil storage sleeve is positioned between the two sleeves.
Compared with the prior art, the lubricating device has the following advantages:
1. the automatic oil supply can be realized, the existing manual oil dripping is replaced, the working efficiency is improved, meanwhile, lubricating oil is always kept in the gap between the cutter shaft and the sleeve, and enough oil is provided for lubrication, so that the friction abrasion between the cutter shaft and the sleeve is effectively avoided, the good meshing degree of the movable cutter and the fixed cutter is ensured, the movable cutter loss is avoided, and the service life of the movable cutter is prolonged;
2. the first oil hole on the cutter shaft, the second oil hole on the feed lifting tooth shaft and the like, and the first oil line and the second oil line are respectively wired from the first oil hole and the second oil hole, so that additional parts are not added, the structure is simplified, and the cost is reduced.
Drawings
Fig. 1 is a schematic structural view of the lubricating device.
Fig. 2 is a partial sectional view of the lubricating device.
In the figure, 1, a sleeve; 2. a cutter shaft; 21. a first oil hole; 22. a first oil inlet; 3. a first wick; 4. a first oil storage sleeve; 5. first oiled cotton; 6. a feed lifting shaft; 61. a second oil hole; 62. a second oil outlet; 7. a second wick; 8. a second oil storage sleeve; 9. second oiled cotton; 10. an oil supply copper pipe; 11. transferring an oil line; 12. a retainer ring; 13. an oil storage tank.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the lubricating device for a cutter structure is used for lubricating a cutter shaft 2, and includes the cutter shaft 2 and a sleeve 1 sleeved on the cutter shaft 2, a first oil hole 21 is formed in the cutter shaft 2, a first oil inlet 22 and a first oil outlet are formed in the first oil hole 21, and the first oil outlet is located in a gap between the cutter shaft 2 and the sleeve 1 and is communicated with the gap. The first oil hole 21 is linear, and the central line of the first oil hole 21 is superposed with the axial lead of the cutter shaft 2, so that the gravity center point of the cutter shaft 2 is still positioned on the axial lead when the cutter shaft rotates, and the rotation is stable; the respective central lines of the first oil inlet 22 and the first oil outlet are perpendicular to the central line of the first oil hole 21, and the mutual relationship is not limited to the perpendicular relationship, and may be an inclined configuration or an arc transition configuration as long as they are communicated with each other. A first oil line 3 is arranged in the first oil hole 21, one end of the first oil line 3 extends out of the first oil outlet and is located at the gap, and the other end of the first oil line extends out of the first oil inlet 22 and extends into lubricating oil in the oil storage tank 13 of the sewing machine through an oil inlet mechanism.
Concretely, its oil feed mechanism includes first oil storage cover 4, second oil storage cover 8 and sets up the second oilhole 61 on lifting teeth axle 6, be equipped with second oil inlet and second oil-out 62 on the second oilhole 61, first oil storage cover 4 cover is established on cutter shaft 2 and with cutter shaft 2 oil sealing connection, and the cover is equipped with retaining ring 12 on cutter shaft 2, be used for carrying out axial spacing to first oil storage cover 4, the sleeve 1 of establishing of cover has two on cutter shaft 2, be located the both sides of first oil storage cover 4 respectively, two sleeves 1 let cutter shaft 2 more steady around sleeve 1 rotation. The second oil storage sleeve 8 is sleeved on the feed lifting shaft 6 and is in oil sealing connection with the feed lifting shaft 6, the inner cavity of the first oil storage sleeve 4 is communicated with the inner cavity of the second oil storage sleeve 8 through an oil supply copper pipe 10, two ends of the oil supply copper pipe 10 are fixedly connected with the first oil storage sleeve 4 and the second oil storage sleeve 8 in a welding mode respectively, and the inner cavity of the oil supply copper pipe 10 is communicated with the inner cavity of the first oil storage sleeve 4 and the inner cavity of the second oil storage sleeve 8 respectively. The first oil inlet 22 is communicated with an inner cavity of the first oil storage sleeve 4, the second oil outlet 62 is communicated with an inner cavity of the second oil storage sleeve 8, the first oil cotton 5 is filled in the inner cavity of the first oil storage sleeve 4, the second oil cotton 9 is filled in the inner cavity of the second oil storage sleeve 8, the oil transfer line 11 is arranged in the oil supply copper pipe 10, two ends of the oil transfer line 11 are respectively in contact connection with the first oil cotton 5 and the second oil cotton 9, the other end of the first oil line 3 is in contact connection with the first oil cotton 5, the second oil line 7 is arranged in the second oil hole 61, one end of the second oil line 7 extends out of the second oil outlet 62 to be in contact connection with the second oil cotton 9, the other end of the second oil line extends out of the second oil inlet and then extends into lubricating oil in the oil storage tank 13 on the sewing machine, so that the second oil line 7, the second oil cotton 9, the oil transfer line 11, the first oil cotton 5 and the first oil line 3 are in sequential contact connection, and the lubricating oil in the oil, Second oilcotton 9, change oily line 11, first oilcotton 5 and first oilcotton 3 enter into the clearance between cutter shaft 2 and the sleeve 1 to lubricate cutter shaft 2 and sleeve 1, effectively avoid the friction and wear between the outer wall of cutter shaft 2 and the inner wall of sleeve 1, can keep the cutter on the cutter shaft 2 for a long time to cut the accuracy.
The oil inlet mechanism is not limited to the above scheme, and may be a long oil line, one end of which is immersed in the lubricating oil in the oil storage tank 13, and the other end of which is connected with the first oil line 3. Or the oil pump structure comprises an oil pump, an oil inlet of the oil pump is connected with the oil storage tank 13, an oil nozzle is installed on an oil outlet, and the oil nozzle is opposite to the first oil inlet 22. Of course, the other end of the second oil line 7 in the oil inlet mechanism can be only located at the second oil inlet, the oil pump structure including the oil pump is arranged between the second oil inlet and the oil storage tank 13, the oil inlet of the oil pump is connected with the oil storage tank 13, the oil outlet is provided with an oil nozzle, and the oil nozzle is opposite to the second oil inlet.
The structure of the second oil hole 61 is the same as that of the first oil hole 21, the first oil inlet 22 and the first oil outlet, the second oil hole 61 is linear, and the central line of the second oil hole 61 and the axial line of the feed lifting tooth shaft 6 are coincident; the respective center lines of the second oil inlet and the second oil outlet 62 are perpendicular to the center line of the second oil hole 61. Of course, in the same way, the gravity center point of the feed lifting shaft 6 is still positioned on the axis when the feed lifting shaft rotates, so that the feed lifting shaft rotates stably; of course, the mutual relationship is not limited to the mutually perpendicular relationship, and the mutual relationship can also be inclined arrangement or arc transition arrangement as long as the mutual communication is achieved. The first oil hole 21 on the cutter shaft 2, the second oil hole 61 on the feed lifting shaft 6 and the like, and the first oil line 3 and the second oil line 7 are respectively routed from the first oil hole 21 and the second oil hole 61, so that additional parts are not added, the structure is simplified, and the cost is reduced.
This lubricating arrangement makes lubricating oil in the oil storage tank 13 follow second oil line 7 in proper order, second oil cotton 9, change oil line 11, first oil cotton 5 and first oil line 3 enter into the clearance between cutter shaft 2 and the sleeve 1, thereby lubricate cutter shaft 2 and sleeve 1, can realize automatic fuel feeding lubrication, current manual oil drip has been replaced, work efficiency is improved, the clearance of having still guaranteed simultaneously between cutter shaft 2 and the sleeve 1 has lubricating oil to exist all the time, and it lubricates to have sufficient oil mass, thereby effectively avoid cutter shaft 2 and sleeve 1 frictional wear, with the good degree of meshing of assurance sword and stationary knife, avoid moving the sword loss, thereby promote sword life.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (8)
1. The utility model provides a lubricating arrangement for cutter structure, overlaps sleeve (1) on cutter shaft (2) including cutter shaft (2) and cover, cutter shaft (2) in seted up first oilhole (21), be equipped with first oil inlet (22) and first oil-out on first oilhole (21), first oil-out be located above-mentioned cutter shaft (2) and sleeve (1) between clearance department and with the clearance intercommunication, be equipped with first oil line (3) in first oilhole (21), above-mentioned first oil-out is located above-mentioned clearance department is stretched out to first oil line (3) one end, and the other end stretches out above-mentioned first oil inlet (22) and stretches into in the lubricating oil of last oil storage tank (13) of sewing machine through oil feed mechanism, its characterized in that: the oil inlet mechanism comprises a first oil storage sleeve (4), a second oil storage sleeve (8) and a second oil hole (61) formed in the feed lifting shaft (6), a second oil inlet and a second oil outlet (62) are formed in the second oil hole (61), the first oil storage sleeve (4) is sleeved on the cutter shaft (2) and is in oil-tight connection with the cutter shaft (2), the second oil storage sleeve (8) is sleeved on the feed lifting shaft (6) and is in oil-tight connection with the feed lifting shaft (6), an inner cavity of the first oil storage sleeve (4) is communicated with an inner cavity of the second oil storage sleeve (8) through an oil supply copper pipe (10), a first oil inlet (22) is communicated with the inner cavity of the first oil storage sleeve (4), the second oil outlet (62) is communicated with an inner cavity of the second oil storage sleeve (8), first oil cotton (5) is filled in the inner cavity of the first oil storage sleeve (4), and second oil cotton (9) is filled in the inner cavity of the second oil storage sleeve (8), be equipped with in oil supply copper pipe (10) and change oily line (11), change the both ends of oily line (11) and be connected with first oily cotton (5) and second oily cotton (9) contact respectively, the other end and the first oily cotton (5) contact of above-mentioned first oily line (3) are connected, be equipped with second oily line (7) in second oilhole (61), second oily line (7) one end is stretched out second oil-out (62) and is connected with second oily cotton (9) contact, and the other end stretches into in the lubricating oil of above-mentioned sewing machine oil storage tank (13) after stretching out the second oil inlet.
2. A lubricating device for a cutter structure according to claim 1, characterized in that the first oil hole (21) is linear and the centerline of the first oil hole (21) coincides with the axis of the cutter shaft (2).
3. A lubricating device for a cutter structure according to claim 1 or 2, characterized in that the respective centerlines of the first oil inlet (22) and the first oil outlet are perpendicular to the centerline of the first oil hole (21).
4. A lubricating device for a cutter structure according to claim 1, characterized in that the second oil hole (61) is linear, and the center line of the second oil hole (61) and the axis of the feed lifting pin shaft (6) coincide with each other.
5. A lubricating device for a cutter structure, as set forth in claim 1 or 4, characterized in that the respective centerlines of the second oil inlet and outlet (62) are perpendicular to the centerline of the second oil hole (61).
6. The lubricating device for the cutter structure according to claim 5, wherein two ends of the oil supply copper pipe (10) are fixedly connected with the first oil storage sleeve (4) and the second oil storage sleeve (8) in a welding mode respectively.
7. The lubricating device for the cutter structure according to claim 5, wherein the cutter shaft (2) is further sleeved with a check ring (12) for axially limiting the first oil storage sleeve (4).
8. A lubrication device for a cutter structure as claimed in claim 5, wherein said sleeves (1) are two, said first oil reservoir (4) being located between said two sleeves (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811366427.8A CN109537197B (en) | 2018-11-16 | 2018-11-16 | Lubricating device for cutter structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811366427.8A CN109537197B (en) | 2018-11-16 | 2018-11-16 | Lubricating device for cutter structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109537197A CN109537197A (en) | 2019-03-29 |
| CN109537197B true CN109537197B (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811366427.8A Active CN109537197B (en) | 2018-11-16 | 2018-11-16 | Lubricating device for cutter structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109537197B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08159153A (en) * | 1994-12-01 | 1996-06-18 | Brother Ind Ltd | Bearing device |
| CN201416093Y (en) * | 2009-05-06 | 2010-03-03 | 浙江方正电机股份有限公司 | Rotating shuttle micro oil supply mechanism for high-speed sewing machine |
| CN101876127A (en) * | 2009-04-29 | 2010-11-03 | 武汉爱维安防科技有限公司 | Pollution-free lubrication system of sewing machine |
| CN202509238U (en) * | 2012-04-18 | 2012-10-31 | 浙江美机缝纫机有限公司 | Swing axle provided with oil-supply device |
| CN203360806U (en) * | 2013-06-10 | 2013-12-25 | 浙江银工缝纫机有限公司 | Spindle lubricating mechanism of straight buttonholing machine |
| CN206467423U (en) * | 2016-12-27 | 2017-09-05 | 浙江飞凤缝制设备有限公司 | A kind of automatic oil supplying device of sewing machine |
| CN207775508U (en) * | 2018-01-18 | 2018-08-28 | 杰克缝纫机股份有限公司 | A kind of sewing machine head lubrication system and sewing machine |
-
2018
- 2018-11-16 CN CN201811366427.8A patent/CN109537197B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08159153A (en) * | 1994-12-01 | 1996-06-18 | Brother Ind Ltd | Bearing device |
| CN101876127A (en) * | 2009-04-29 | 2010-11-03 | 武汉爱维安防科技有限公司 | Pollution-free lubrication system of sewing machine |
| CN201416093Y (en) * | 2009-05-06 | 2010-03-03 | 浙江方正电机股份有限公司 | Rotating shuttle micro oil supply mechanism for high-speed sewing machine |
| CN202509238U (en) * | 2012-04-18 | 2012-10-31 | 浙江美机缝纫机有限公司 | Swing axle provided with oil-supply device |
| CN203360806U (en) * | 2013-06-10 | 2013-12-25 | 浙江银工缝纫机有限公司 | Spindle lubricating mechanism of straight buttonholing machine |
| CN206467423U (en) * | 2016-12-27 | 2017-09-05 | 浙江飞凤缝制设备有限公司 | A kind of automatic oil supplying device of sewing machine |
| CN207775508U (en) * | 2018-01-18 | 2018-08-28 | 杰克缝纫机股份有限公司 | A kind of sewing machine head lubrication system and sewing machine |
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| Publication number | Publication date |
|---|---|
| CN109537197A (en) | 2019-03-29 |
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Denomination of invention: A lubricating device for cutting blade structure Effective date of registration: 20230517 Granted publication date: 20201127 Pledgee: Chizhou Jiuhua Rural Commercial Bank Co.,Ltd. Pledgor: ANHUI JIEYU SHOEMAKING MACHINERY TECHNOLOGY Co.,Ltd. Registration number: Y2023980040923 |
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Date of cancellation: 20231102 Granted publication date: 20201127 Pledgee: Chizhou Jiuhua Rural Commercial Bank Co.,Ltd. Pledgor: ANHUI JIEYU SHOEMAKING MACHINERY TECHNOLOGY Co.,Ltd. Registration number: Y2023980040923 |
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