CN109665382B - Surface curling and winding device - Google Patents
Surface curling and winding device Download PDFInfo
- Publication number
- CN109665382B CN109665382B CN201910084851.1A CN201910084851A CN109665382B CN 109665382 B CN109665382 B CN 109665382B CN 201910084851 A CN201910084851 A CN 201910084851A CN 109665382 B CN109665382 B CN 109665382B
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- China
- Prior art keywords
- air
- cutter
- shaft
- frame
- central roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004804 winding Methods 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 26
- 230000007704 transition Effects 0.000 claims abstract description 16
- 238000005520 cutting process Methods 0.000 claims abstract description 13
- 238000003825 pressing Methods 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 abstract description 14
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 description 7
- 238000007599 discharging Methods 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
- B65H75/24—Constructional details adjustable in configuration, e.g. expansible
- B65H75/242—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/26—Cutting-off the web running to the wound web roll
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
- B65H75/28—Arrangements for positively securing ends of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/19—Specific article or web
- B65H2701/1924—Napkins or tissues, e.g. dressings, toweling, serviettes, kitchen paper and compresses
Landscapes
- Replacement Of Web Rolls (AREA)
- Winding Of Webs (AREA)
Abstract
The invention relates to a surface curling and rolling device, which is characterized in that: the automatic paper cutting and winding device comprises a frame (1), an air expansion shaft (2) which is arranged on the frame (1) and used for sticking paper and winding the paper, an air expansion shaft bearing (3) which is used for supporting the air expansion shaft (2) to rotate, a central roller (4) which is arranged on the side face of the air expansion shaft (2) and used for driving the air expansion shaft (2) to rotate, a central roller driving device (5) which is arranged in the frame (1) and used for driving the central roller (4) to rotate, a guide roller (6) which is arranged at the paper inlet on the frame (1) and a cutting device (7) which is used for cutting the paper and a shaft changing device (8) which is used for changing the air expansion shaft are arranged on the frame (1), and the surface winding device is integrated with a novel pre-synchronization mechanism, a transition shaft synchronization mechanism and a cutter structure, so that the automatic paper cutting and winding device can ensure the stability and the waste reduction condition of the tail materials.
Description
[ Field of technology ]
The invention relates to a surface curling coiling device.
[ Background Art ]
The existing paper winding machine for printing is easy to cause paper jam, unstable in operation and low in efficiency, and paper core air expansion shafts for winding paper need to be manually cut off to be replaced, so that inconvenience is brought to staff.
The existing paper winding machine for printing has more generated tailings, more paper can be wasted, and resource waste is caused.
In view of the above, it is necessary to address the issues described above, and it is against this background that the present invention has been made.
[ Invention ]
The invention aims to solve the technical problems in the prior art, and provides a surface curling and rolling device which is integrated with a novel pre-synchronization mechanism, a transition shaft synchronization mechanism and a cutter structure, so that the stability of automatic blanking and rolling and the reduction of waste of tailings are ensured.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a surface curl coiling mechanism, includes frame 1, establishes be used for gluing the paper and curl the air-expanding shaft 2 of rolling in the frame 1, be used for supporting air-expanding shaft 2 pivoted air-expanding shaft bearing 3, establish air-expanding shaft 2 side is used for driving air-expanding shaft 2 pivoted center roller 4, establish in frame 1 be used for the drive center roller 4 pivoted center roller drive arrangement 5, establish the deflector roll 6 of paper entrance on frame 1 be equipped with the cutting device 7 that is used for cutting the paper and be used for changing the axle device 8 that trades of air-expanding shaft on frame 1.
The cutting device 7 comprises two cutter wallboards 71 arranged on the frame 1 side by side, a cutter transverse strut 72 arranged between the two cutter wallboards 71, two cutter big swing arms 73 hinged on the cutter transverse strut 72, cutter pull rods 74 arranged at the end parts of the two cutter big swing arms 73, two cutter small swing arms 75 hinged on the cutter pull rods 74, a cutter 76 arranged between the two cutter small swing arms 75, a big swing arm cylinder 77 arranged on the frame 1 and used for driving the cutter big swing arms 73 to swing, and a small swing arm cylinder 78 arranged on the frame 1 and used for driving the cutter small swing arms 75 to swing.
The shaft replacing device 8 comprises a material receiving shifting fork 81 arranged at two ends of the rotating shaft of the central roller 4, a pressing wheel limiting device 82 used for pressing the air expansion shaft 2 in the material receiving shifting fork 81 and a pushing treatment device 83 used for receiving the air expansion shaft 2.
The pinch roller limiting device 82 comprises an air-expanding shaft swinging arm 821, an air-expanding shaft swinging arm cylinder 822 arranged at one end of the air-expanding shaft swinging arm 821 and used for driving the air-expanding shaft swinging arm to swing, an air-expanding shaft pin 823 arranged at the other end of the air-expanding shaft swinging arm 821, and an air-expanding shaft pin bearing 824 arranged on the air-expanding shaft pin 823.
The pushing device 83 comprises a pushing fixing seat 831, a straight guide rail 832 provided on the frame 1, and a pushing cylinder 833 for pushing the pushing fixing seat 831 to move on the straight guide rail 832.
A proximity switch 834 is provided at the front end and the end of the straight rail 832 as described above.
Center roller supporting swing arms 41 are respectively arranged at two ends of the rotating shaft of the center roller 4, and a center roller supporting transition roller 42 is arranged between the two center roller supporting swing arms 41.
As described above, the number of the center roller paper supporting transition rollers 42 is two, and the two center roller paper supporting transition rollers 42 are arranged side by side around the outer circumference of the center roller 4.
A synchronizing wheel cylinder 92 for driving the synchronizing wheel 91 to act is arranged between the air expansion shaft 2 and the central roller 4 as described above, and the pre-synchronizing device 9 comprises a synchronizing wheel 91 and a synchronizing wheel cylinder support 93 for fixing the synchronizing wheel cylinder 92 on the frame 1.
The beneficial effects of the invention are as follows:
1. The invention provides a surface curling and rolling device, which abandons the structure of the old surface curling and rolling, integrates a novel presynchronization mechanism, a transition shaft synchronization mechanism and a cutter structure, and ensures the stability of automatic blanking and rolling and the occurrence of the condition of reducing waste of tailings.
2. The invention provides a surface curling coiling device, under the normal coiling condition, a double-cylinder form is adopted, and a straight guide rail is used for guiding to ensure that materials can stably advance and retreat for discharging and normal coiling during coiling; the pressure of the cylinder can be regulated during normal rolling to ensure that the pressure of the two ends of the material and the central roller is consistent, wrinkling and nest lifting phenomena caused by inconsistent pressure of the two ends are avoided, the front end and the tail end of the straight guide rail are both provided with proximity switches, and therefore, the phenomenon that the paper core of the air expansion shaft is not collided with the central roller during rolling and the mechanical limit collision of the tail end of the wallboard is avoided when the material is discharged, and faults are caused.
3. The invention provides a surface curling winding device, which is started by a pinch roller limiting device to limit a mandrel, so that the phenomenon that a new mandrel falls off and accidents occur due to vibration generated during normal operation of a machine is avoided.
4. In order to improve the stability of receiving materials, the surface curling winding device is additionally provided with a pre-synchronizing mechanism, so that the linear speed of a new air expansion shaft is consistent with the linear speed of the material being wound, the stability of receiving materials is improved, the tailing is reduced to the maximum extent, and the cost is saved.
[ Description of the drawings ]
Fig. 1 is a perspective view of the present invention.
Fig. 2 is an exploded view of the present invention.
[ Detailed description ] of the invention
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 2, a surface curling and winding device comprises a frame 1, an air expansion shaft 2 arranged on the frame 1 and used for sticking paper and curling and winding, an air expansion shaft bearing 3 used for supporting the air expansion shaft 2 to rotate, a central roller 4 arranged on the side surface of the air expansion shaft 2 and used for driving the air expansion shaft 2 to rotate, a central roller driving device 5 arranged in the frame 1 and used for driving the central roller 4 to rotate, a guide roller 6 arranged at a paper inlet of the frame 1, and a cutting device 7 used for cutting paper and a shaft changing device 8 used for changing the air expansion shaft.
As shown in fig. 1 and 2, in this embodiment, the cutting device 7 includes two cutter wallboards 71 set up side by side on the frame 1, a cutter transverse strut 72 set between the two cutter wallboards 71, two cutter big swing arms 73 hinged on the cutter transverse strut 72, a cutter pull rod 74 set at the end of the two cutter big swing arms 73, two cutter small swing arms 75 hinged on the cutter pull rod 74, a cutter 76 set between the two cutter small swing arms 75, a big swing arm cylinder 77 set on the frame 1 for driving the cutter big swing arms 73 to swing, a small swing arm cylinder 78 set on the frame 1 for driving the cutter small swing arms 75 to swing, and the cutter 76 is mounted on the cutter small swing arms 75 through a cutter mounting frame.
As shown in fig. 1 and 2, in this embodiment, the shaft replacing device 8 includes a receiving fork 81 disposed at two ends of the rotating shaft of the central roller 4, a pressing wheel limiting device 82 used for pressing the air-expanding shaft 2 in the receiving fork 81, and a pushing processing device 83 used for receiving the air-expanding shaft 2, where the shaft replacing device can realize quick and accurate replacement of the air-expanding shaft of the paper core, reduce working procedures of workers, reduce labor intensity, improve paper winding efficiency, and reduce waste of tail materials.
As shown in fig. 1 and 2, in this embodiment, the pinch roller limiting device 82 includes an air-expanding shaft swing arm 821, an air-expanding shaft swing arm cylinder 822 disposed at one end of the air-expanding shaft swing arm 821 and used for driving the air-expanding shaft swing arm to swing, an air-expanding shaft pin 823 disposed at the other end of the air-expanding shaft swing arm 821, and an air-expanding shaft pin bearing 824 disposed on the air-expanding shaft pin 823.
As shown in fig. 1 and 2, in this embodiment, the pushing device 83 includes a pushing fixing seat 831, a straight guide rail 832 disposed on the frame 1, and a pushing cylinder 833 for pushing the pushing fixing seat 831 to move on the straight guide rail 832, where, along with gradual increase of the roll paper on the paper core air-expanding shaft, the pushing fixing seat 831 gradually moves in a direction away from the central roller, so as to ensure normal running of the roll paper, and no jamming occurs.
As shown in fig. 1 and 2, in this embodiment, proximity switches 834 are disposed at the front end and the tail end of the straight guide rail 832, and proximity switches are disposed at the front end and the tail end of the straight guide rail, so that the paper core of the air expansion shaft is prevented from colliding with the central roller during material rolling and the material is prevented from mechanically limiting collision at the tail end of the wallboard during material discharging, thereby causing faults.
As shown in fig. 1 and 2, in this embodiment, two ends of the rotating shaft of the central roller 4 are respectively provided with a central roller supporting swing arm 41, and a central roller supporting transition roller 42 is arranged between the two central roller supporting swing arms 41.
As shown in fig. 1 and 2, in this embodiment, two central roller paper supporting transition rollers 42 are provided, two central roller paper supporting transition rollers 42 are disposed side by side around the outer circumference of the central roller 4, and the paper winding effect is better and the efficiency is higher due to the arrangement of two central roller paper supporting transition rollers 42.
As shown in fig. 1 and 2, in this embodiment, a pre-synchronizing device 9 is disposed between the air expansion shaft 2 and the central roller 4, where the pre-synchronizing device 9 includes a synchronizing wheel 91, a synchronizing wheel cylinder 92 for driving the synchronizing wheel 91 to act, and a synchronizing wheel cylinder support 93 for fixing the synchronizing wheel cylinder 92 on the frame 1.
The novel surface curling and rolling device abandons the structure of the old surface curling and rolling, integrates the novel pre-synchronous mechanism, the transition shaft synchronous mechanism and the cutter structure, and ensures the stability of automatic blanking and rolling and the occurrence of the condition that the tailing is reduced and wasted.
Now, the working principle and structural analysis of the novel winding device are explained:
1. under the normal winding condition, a double-cylinder form is adopted, and the straight guide rail is used for guiding, so that the material can stably advance, retreat, discharge and normally roll during winding; the pressure of the cylinder can be regulated during normal rolling to ensure that the pressure of the material is consistent with the pressure of the two ends of the central roller,
The phenomenon of wrinkling and nest lifting caused by inconsistent pressure at two ends is avoided, the front end and the tail end of the straight guide rail are both provided with proximity switches, so that the paper core of the air expansion shaft is prevented from colliding with the central roller during coiling, and the tail end of the wallboard is prevented from mechanically limiting collision during discharging, thereby causing faults.
2. The inflatable shaft is moved to the clamping groove position, the pressing wheel limiting device is started to limit the mandrel, and the situation that the new mandrel falls and accidents occur due to the fact that vibration is generated during normal operation of the machine is avoided.
3. The pre-driving is started, the paper clung to the central roller is supported by the synchronous mechanism to prepare for receiving, the synchronous mechanism adopts the principle of a synchronous connecting rod, and the synchronous mechanism uses a chain as transition transmission to synchronously rotate, so that the paper is ensured to stably run on a transition shaft.
4. In order to improve the stability of receiving materials, the winding device is additionally provided with a pre-synchronization mechanism, the linear speed of the new air expansion shaft is consistent with the linear speed of the material being wound, the stability of receiving materials is improved, the tailing is reduced to the maximum extent, and the cost is saved.
5. Preparing to receive materials, pressing the printing stock by the synchronous press roller mechanism, enabling the air cylinder to stretch the cutter swing arm to the material receiving position, enabling the small air cylinder to stretch rapidly, enabling the cutter to cut off paper, and enabling the new air expansion shaft to start coiling materials.
6. Meanwhile, the cylinder stably moves old materials to the tail end of the winding, the small cylinder stretches and contracts, the swing arm of the limiting device slides downwards due to dead weight, the materials automatically slide out of the swing arm to limit, the small cylinder stretches and contracts to restore the limit swing arm to the original position, and the cylinder rapidly and stably moves to the center roller to be ready for connecting a new inflatable shaft.
7. And the new material is coiled at the upward position of the opening of the receiving shifting fork, and is normally coiled at the position of the limiting device through the rotation of the gear transmission structure, and the receiving coiling action is completed.
Claims (9)
1. The utility model provides a surface curl coiling mechanism which characterized in that: the paper winding machine comprises a frame (1), an air expansion shaft (2) which is arranged on the frame (1) and used for sticking paper and winding the paper, an air expansion shaft bearing (3) which is used for supporting the air expansion shaft (2) to rotate, a central roller (4) which is arranged on the side face of the air expansion shaft (2) and used for driving the air expansion shaft (2) to rotate, a central roller driving device (5) which is arranged in the frame (1) and used for driving the central roller (4) to rotate, a guide roller (6) which is arranged at the paper inlet on the frame (1) and a cutting device (7) which is used for cutting the paper and a shaft changing device (8) which is used for changing the air expansion shaft are arranged on the frame (1).
2. The surface curl winding device of claim 1, wherein: the cutting device (7) comprises two cutter wallboards (71) which are arranged on the frame (1) side by side, a cutter cross brace (72) which is arranged between the two cutter wallboards (71), two cutter large swing arms (73) which are hinged on the cutter cross brace (72), cutter pull rods (74) which are arranged at the end parts of the two cutter large swing arms (73), two cutter small swing arms (75) which are hinged on the cutter pull rods (74), cutters (76) which are arranged between the two cutter small swing arms (75), large swing arm cylinders (77) which are arranged on the frame (1) and used for driving the cutter large swing arms (73) to swing, and small swing arm cylinders (78) which are arranged on the frame (1) and used for driving the cutter small swing arms (75) to swing.
3. The surface curl winding device of claim 1, wherein: the shaft replacing device (8) comprises a material receiving shifting fork (81) arranged at two ends of a rotating shaft of the central roller (4), a pressing wheel limiting device (82) used for pressing the air expansion shaft (2) in the material receiving shifting fork (81) and a pushing treatment device (83) used for bearing the air expansion shaft (2).
4. A surface curl winding device according to claim 3, wherein: the pinch roller limiting device (82) comprises an air-expanding shaft swinging arm (821), an air-expanding shaft swinging arm cylinder (822) arranged at one end of the air-expanding shaft swinging arm (821) and used for driving the air-expanding shaft swinging arm to swing, an air-expanding shaft pin (823) arranged at the other end of the air-expanding shaft swinging arm (821), and an air-expanding shaft pin bearing (824) arranged on the air-expanding shaft pin (823).
5. A surface curl winding device according to claim 3, wherein: the pushing treatment device (83) comprises a pushing fixing seat (831), a straight guide rail (832) arranged on the frame (1) and a pushing treatment cylinder (833) used for pushing the pushing fixing seat (831) to move on the straight guide rail (832).
6. The surface curl winding device of claim 5, wherein: a proximity switch (834) is arranged at the front end and the tail end of the straight guide rail (832).
7. The surface curl winding device of claim 1, wherein: the two ends of the rotating shaft of the central roller (4) are respectively provided with a central roller paper supporting swing arm (41), and a central roller paper supporting transition roller (42) is arranged between the two central roller paper supporting swing arms (41).
8. The surface curl winding device of claim 7, wherein: the number of the central roller paper supporting transition rollers (42) is two, and the two central roller paper supporting transition rollers (42) are arranged around the excircle Zhou Bingpai of the central roller (4).
9. The surface curl winding device of claim 1, wherein: a synchronizing wheel cylinder (92) used for driving the synchronizing wheel (91) to act and a synchronizing wheel cylinder support (93) used for fixing the synchronizing wheel cylinder (92) on the frame (1) are arranged between the air expansion shaft (2) and the central roller (4), wherein the pre-synchronizing device (9) comprises a synchronizing wheel (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910084851.1A CN109665382B (en) | 2019-01-29 | 2019-01-29 | Surface curling and winding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910084851.1A CN109665382B (en) | 2019-01-29 | 2019-01-29 | Surface curling and winding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109665382A CN109665382A (en) | 2019-04-23 |
| CN109665382B true CN109665382B (en) | 2024-04-30 |
Family
ID=66149945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910084851.1A Active CN109665382B (en) | 2019-01-29 | 2019-01-29 | Surface curling and winding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109665382B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2055491A1 (en) * | 2007-11-05 | 2009-05-06 | Seiko Epson Corporation | Roll paper supply mechanism and roll paper printer |
| CN204751615U (en) * | 2015-07-20 | 2015-11-11 | 苏州金韦尔机械有限公司 | Glued membrane rolling change of lap equipment |
| CN209740423U (en) * | 2019-01-29 | 2019-12-06 | 中山松德印刷机械有限公司 | Surface curling and winding device for printing machine |
-
2019
- 2019-01-29 CN CN201910084851.1A patent/CN109665382B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2055491A1 (en) * | 2007-11-05 | 2009-05-06 | Seiko Epson Corporation | Roll paper supply mechanism and roll paper printer |
| CN204751615U (en) * | 2015-07-20 | 2015-11-11 | 苏州金韦尔机械有限公司 | Glued membrane rolling change of lap equipment |
| CN209740423U (en) * | 2019-01-29 | 2019-12-06 | 中山松德印刷机械有限公司 | Surface curling and winding device for printing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109665382A (en) | 2019-04-23 |
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Effective date of registration: 20240328 Address after: Building 3, No. 35 Dongfu North Road, Nantou Town, Zhongshan City, Guangdong Province, 528400 Applicant after: Zhongshan Youlu Zhide Digital Technology Co.,Ltd. Country or region after: China Address before: 528400 Building 1, No.35 Dongfu North Road, Nantou Town, Zhongshan City, Guangdong Province Applicant before: ZHONGSHAN SOTECH PRINTING MACHINERY Co.,Ltd. Country or region before: China |
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