CN211104290U - Edge inspection device - Google Patents
Edge inspection device Download PDFInfo
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- CN211104290U CN211104290U CN201922142444.XU CN201922142444U CN211104290U CN 211104290 U CN211104290 U CN 211104290U CN 201922142444 U CN201922142444 U CN 201922142444U CN 211104290 U CN211104290 U CN 211104290U
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- color
- moving structure
- mark sensor
- cutter
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Abstract
The utility model provides a patrol limit device relates to laminating equipment technical field, and the cutting edge device of the laminating machine who has solved existence among the prior art lacks the automatic technical problem who patrols limit deviation rectifying and automatic shutdown function. The device comprises a first color standard sensor, a second color standard sensor, a cutter device, a moving structure and a driving device, wherein the first color standard sensor, the second color standard sensor and the cutter device are connected to the same moving structure through a connecting piece; the first color scale sensor can identify color strips of a working area on a piece to be cut and convert the color strips into working signals, the controller can receive and process the working signals, and the controller can change the working state of the second color scale sensor through processing the working signals. The utility model is used for on the laminating machine.
Description
Technical Field
The utility model belongs to the technical field of the laminating equipment technique and specifically relates to a patrol limit device is related to.
Background
With the rapid development of science and technology of people, the laminating machine is widely used in the production and processing of industrial products, is special equipment for paper, plates and film mounting, and is a product integrating paper and plastic. The laminating machine has wide application range and stable and reliable processing performance, and is laminating equipment widely used at home at present. The laminating machine has small volume, low cost and flexible and convenient operation, is suitable for laminating large-batch printed matters and is also suitable for laminating small-batch printed matters such as an automatic desktop office system and the like.
The laminating machine includes the trimming device, and the product of pressing the cold membrane of mounting can be cut out its unnecessary side through the trimming device, and current trimming device removes the operation that stops the laminating machine through manual mode usually, if the staff does not in time discover to wait to cut out the piece and has already cut out, will cause the laminating machine to operate always like this.
The applicant has found that the prior art has at least the following technical problems:
in the prior art, the trimming device of the laminating machine lacks the functions of automatic edge-tracking correction and automatic stop, and needs to manually close the device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a patrol limit device to the cutting edge device of the laminating machine who exists among the solution prior art lacks the automatic technical problem who patrols the limit and rectify and the automatic shutdown function. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of edge inspection device, including first color mark sensor, second color mark sensor, cut-off knife equipment, mobile structure and drive device, wherein, the edge inspection device is installed on the support body of laminating machine, first color mark sensor, second color mark sensor and the cut-off knife equipment are connected on the same mobile structure through the connecting piece, the mobile structure with the drive device is connected and the drive device can drive the mobile structure to move;
the second color mark sensor is connected with the driving device through a controller, the second color mark sensor can identify cutting lines on a piece to be cut and convert the cutting lines into cutting signals, the controller can receive and process the cutting signals, and the controller can change the rotating state of the driving device through processing the cutting signals;
the first color scale sensor is connected with the controller, the first color scale sensor can identify color strips of a working area on a piece to be cut and convert the color strips into working signals, the controller can receive and process the working signals, and the controller can change the working state of the second color scale sensor through processing the working signals.
Optionally, the moving structure includes a main moving structure and a secondary moving structure, the main moving structure is a ball screw structure and is connected to the driving device, the secondary moving structure is a guide rail structure, and the main moving structure and the secondary moving structure are respectively connected to two ends of the connecting member.
Optionally, the main moving structure includes a threaded rod, a threaded sleeve, a bearing, a moving block, and a first frame, the first frame is fixedly disposed on the frame body, the threaded rod is rotatably connected to the first frame, the threaded rod is disposed in the first frame, one end of the threaded rod penetrates through the first frame and is connected to the driving device, the threaded sleeve is sleeved on the threaded rod, the threaded sleeve is in threaded connection with the threaded rod, an inner ring of the bearing is in fit connection with the threaded sleeve, an outer ring of the bearing is in fit connection with the moving block, and the moving block is connected to an end of the connecting member.
Optionally, the secondary moving structure comprises a guide rail, a sliding block and a second frame, the second frame is fixedly arranged on the frame body, the guide rail is located in the second frame, two ends of the guide rail are fixedly connected with the second frame, the sliding block is connected with the guide rail in a sliding manner, and the sliding block is connected with the end of the connecting piece.
Optionally, the connecting piece includes connecting rod and slider, one is all connected at the both ends of connecting rod the slider, the slider with the removal structure is connected, first color mark sensor, second color mark sensor with cut-off knife equipment all connects on the connecting rod.
Optionally, the number of the cut-off knife devices is at least one, and the cut-off knife devices are distributed along the length direction of the connecting rod.
Optionally, the cut-off knife equipment with the connecting rod is for dismantling the connection, the cut-off knife equipment includes blade holder and cut-off knife, the cut-off knife with the blade holder is connected, the blade holder with the connecting rod can be dismantled and be connected.
Optionally, the tool apron comprises an installation part and an adjustment part, the installation part is fixedly connected with the adjustment part, an installation hole is formed in the installation part, the cutting knife penetrates through the installation hole, and the cutting knife is connected with the installation hole; the adjusting part is provided with an adjusting hole and an adjusting mechanism, the adjusting part is provided with an opening along the axis direction of the adjusting part, the opening is communicated with the adjusting hole, the connecting rod penetrates through the adjusting hole and is connected with the adjusting hole, and the adjusting mechanism is connected with the side edge of the opening;
adjustment mechanism includes first regulating plate, second regulating plate and bolt, first regulating plate with the second regulating plate divide into and is located the open-ended both sides, first regulating plate with the second regulating plate passes through bolted connection.
Optionally, an open slot is formed in the connecting rod, a protruding strip is arranged in the adjusting hole, and the protruding strip can extend into the open slot and is connected with the open slot.
Optionally, the first color mark sensor and the second color mark sensor are connected to a bracket, and the bracket is connected to one of the cutting devices, or the first color mark sensor and the second color mark sensor are respectively connected to two brackets, and each bracket is connected to one of the cutting devices;
the first color standard sensor and the second color standard sensor are both provided with warning lamps.
The utility model provides an edge inspection device, which is an automatically adjusted cutting device, when a second color mark sensor identifies a cutting line, a driving device does not rotate, and a cutting knife faces the cutting line; when the second color mark sensor can not identify the cutting line, the driving device rotates forwards or backwards, so that the moving structure drives the second color mark sensor and the cutter to move leftwards or rightwards until the second color mark sensor identifies the cutting line. When the first color mark sensor identifies the color bar in the working area, the second color mark sensor continues to work, namely, the second color mark sensor can continue to identify the cutting line and move leftwards or rightwards under the driving of the moving structure; when the first color mark sensor can not identify the color strip of the working area, the second color mark sensor stops working, namely, the second color mark sensor moves towards the direction of deviating the cutting line, so that the first color mark sensor leaves the color strip area of the working area, the driving device stops working, meanwhile, the second color mark sensor can not move towards the direction close to the cutting line, and the second color mark sensor stops working. The utility model discloses an automatic patrolling limit is rectified deviation and automatic stop function's function to the cutting edge device of the laminating machine who exists among the solution prior art lacks the automatic technical problem who patrols the limit and rectify and the automatic stop function.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an edge inspection device provided in an embodiment of the present invention;
fig. 2 is a schematic structural view of the edge inspection device provided by the embodiment of the present invention installed on the frame body of the laminating machine;
fig. 3 is a schematic structural diagram of a connection between a first color mark sensor and a second color mark sensor of an edge inspection device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a first color scale sensor and a second color scale sensor of an edge inspection device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a cutter device of an edge inspection device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a main moving structure of an edge inspection device according to an embodiment of the present invention;
fig. 7 is a sectional view of a main moving structure of an edge inspection device according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a slave moving structure of an edge patrol device provided by an embodiment of the present invention;
fig. 9 is a sectional view of a slave moving structure of an edge patrol apparatus provided in an embodiment of the present invention;
fig. 10 is a distribution diagram of a cutting line and a color bar of a working area of a to-be-cut piece of the edge inspection device according to an embodiment of the present invention;
fig. 1, a first color scale sensor; 11. a warning light; 2. a second color mark sensor; 3. a cutter device; 31. a tool apron; 311. an installation part; 3111. mounting holes; 312. an adjustment section; 3121. an adjustment hole; 31211. a raised strip; 3122. an adjustment mechanism; 31221. a first adjusting plate; 31222. a second adjusting plate; 31223. a bolt; 3123. an opening; 32. a cutter; 4. a moving structure; 41. a primary moving structure; 411. a threaded rod; 412. a threaded sleeve; 413. a bearing; 414. a moving block; 415. a first frame; 416. a first bearing; 42. from the moving structure; 421. a guide rail; 422. a slider; 423. a second frame; 5. a drive device; 6. a frame body; 7. a connecting member; 71. a connecting rod; 711. an open slot; 72. a slider; 721. connecting holes; 8. a piece to be cut; 81. cutting lines; 82. color bars of the working area; 9. a support; 91. and (7) fixing holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides an edge inspection device, including first color mark sensor 1, second color mark sensor 2, cut-off knife equipment 3, mobile structure 4 and drive device 5, wherein, the edge inspection device is installed on the frame body 6 of laminating machine, and first color mark sensor 1, second color mark sensor 2 and cut-off knife equipment 3 are connected on same mobile structure 4 through connecting piece 7, and mobile structure 4 is connected with drive device 5 and drive device 5 can drive mobile structure 4 to move;
the second color mark sensor 2 is connected with the driving device 5 through the controller, the second color mark sensor 2 can identify the cutting line 81 on the piece 8 to be cut and convert the cutting line into a cutting signal, the controller can receive and process the cutting signal, and the controller can change the rotating state of the driving device 5 through processing the cutting signal;
the first color scale sensor 1 is connected with the controller, the first color scale sensor 1 can identify the color bars 82 of the working area on the piece 8 to be cut and convert the color bars into working signals, the controller can receive and process the working signals, and the controller can change the working state of the second color scale sensor 2 through processing the working signals. The utility model provides an edge inspection device, which is an automatically adjusted cutting device, when the second color mark sensor 2 identifies the cutting line 81, the driving device 5 does not rotate, and the cutting knife 32 faces the cutting line 81; when the second color mark sensor 2 does not recognize the cutting line 81, the driving device 5 rotates forward or backward, so that the moving structure 4 drives the second color mark sensor 2 and the cutter 32 to move left or right until the second color mark sensor 2 recognizes the cutting line 81. When the first color scale sensor 1 recognizes the color bar 82 in the working area, the second color scale sensor 2 continues to work, that is, the second color scale sensor 2 can continue to recognize the cutting line 81 and move left or right under the driving of the moving structure 4; when the first color mark sensor 1 does not recognize the working area color bar 82, the second color mark sensor 2 stops working, that is, the second color mark sensor 2 moves in a direction away from the trimming line 81, causing the first color mark sensor 1 to leave the working area color bar 82 area, so that the driving device 5 stops working, and at the same time, the second color mark sensor 2 cannot move in a direction close to the trimming line 81, and the second color mark sensor 2 stops working. The utility model discloses an automatic patrolling limit is rectified deviation and automatic stop function's function to the cutting edge device of the laminating machine who exists among the solution prior art lacks the automatic technical problem who patrols the limit and rectify and the automatic stop function.
As an alternative embodiment, the moving structure 4 includes a master moving structure 41 and a slave moving structure 42, the master moving structure 41 is a ball screw structure and the master moving structure 41 is connected to the driving device 5, the driving device 5 may be a motor, the slave moving structure 42 is a rail structure, the master moving structure 41 and the slave moving structure 42 are respectively connected to two ends of the connecting member 7, and the master moving structure 41 and the slave moving structure 42 move synchronously.
As an alternative embodiment, the main moving structure 41 includes a threaded rod 411, a threaded sleeve 412, a bearing 413, a moving block 414 and a first frame 415, the first frame 415 is fixedly disposed on the frame body 6, the threaded rod 411 is rotatably connected with the first frame 415, the threaded rod 411 and the first frame 415 may be connected by a first bearing 416, the threaded rod 411 is disposed in the first frame 415, one end of the threaded rod 411 passes through the first frame 415 and is connected with the driving device 5, the threaded sleeve 412 is sleeved on the threaded rod 411, the threaded sleeve 412 is in threaded connection with the threaded rod 411, an inner ring of the bearing 413 is in fit connection with an outer ring of the threaded sleeve 412, an outer ring of the bearing 413 is in fit connection with an inner hole of the moving block 414, the moving block 414 is connected with an end of the connecting member 7, and the moving.
As an alternative embodiment, the slave moving structure 42 includes a guide rail 421, a sliding block 422 and a second frame 423, the second frame 423 is fixedly arranged on the frame body 6, the guide rail 421 is located in the second frame 423, two ends of the guide rail 421 are fixedly connected with the second frame 423, the sliding block 422 is slidably connected with the guide rail 421, the sliding block 422 is connected with an end of the connecting element 7, and the sliding block 422 is connected with the other sliding block 72.
As an alternative embodiment, the connecting member 7 includes a connecting rod 71 and a sliding block 72, two ends of the connecting rod 71 are connected to one sliding block 72, the sliding block 72 is provided with a connecting hole 721, an end of the connecting rod 71 extends into the connecting hole 721 and the connecting rod 71 is connected to the connecting hole 721, the connecting rod 71 and the connecting hole 721 can be in threaded connection, the connecting rod 71 and the connecting hole 721 can also be in welded connection, the sliding block 72 is connected to the moving structure 4, the two sliding blocks 72 are respectively connected to the moving block 414 and the sliding block 422, the first color mark sensor 1, the second color mark sensor 2 and the cutting device 3 are connected to the connecting rod 71, and the first color mark sensor 1, the second color mark sensor 2, the cutting device 3 and the connecting member 7.
As an alternative embodiment, the number of the cutter devices 3 is at least one, and the cutter devices 3 are distributed along the length direction of the connecting rod 71. The number of the cutter devices 3 is determined according to the number of the cutting lines 81 on the piece 8 to be cut.
As an optional embodiment, the cutter device 3 and the connecting rod 71 are detachably connected, so as to facilitate the assembly and disassembly, and the cutter device 3 can be installed according to the number of the cutting lines 81 on the piece 8 to be cut, the cutter device 3 includes a cutter holder 31 and a cutter 32, the cutter 32 is connected with the cutter holder 31, and the cutter holder 31 is detachably connected with the connecting rod 71.
As an optional embodiment, the tool apron 31 includes a mounting portion 311 and an adjusting portion 312, the mounting portion 311 and the adjusting portion 312 are fixedly connected, a mounting hole 3111 is provided on the mounting portion 311, the cutting knife 32 passes through the mounting hole 3111, and the cutting knife 32 is connected with the mounting hole 3111; the adjusting portion 312 is provided with an adjusting hole 3121 and an adjusting mechanism 3122, the adjusting portion 312 is provided with an opening 3123 along the axial direction of the adjusting portion 312, the opening 3123 is communicated with the adjusting hole 3121, the connecting rod 71 passes through the adjusting hole 3121 and the connecting rod 71 is connected with the adjusting hole 3121, the adjusting mechanism 3122 is connected with the side edge of the opening 3123;
the adjusting mechanism 3122 includes a first adjusting plate 31221, a second adjusting plate 31222, and a bolt 31223, the first adjusting plate 31221 and the second adjusting plate 31222 are divided to be located at both sides of the opening 3123, and the first adjusting plate 31221 and the second adjusting plate 31222 are connected by the bolt 31223.
As an optional embodiment, the connecting rod 71 is provided with an open groove 711, a protruding strip 31211 is provided in the adjusting hole 3121, the protruding strip 31211 can extend into the open groove 711, and the protruding strip 31211 is connected to the open groove 711, the protruding strip 31211 and the open groove 711 are provided to limit the rotation of the tool holder 31 and the connecting rod 71, so as to prevent the position of the cutting knife 32 on the connecting rod 71 from changing, and further prevent the cutting knife 32 from cutting the workpiece 8 by mistake.
As an alternative embodiment, the first color mark sensor 1 and the second color mark sensor 2 are connected to one holder 9, and the holder 9 is connected to one cutting device 3, or the first color mark sensor 1 and the second color mark sensor 2 are respectively connected to two holders 9, and each holder 9 is connected to one cutting device 3; the bracket 9 may be provided with a fixing hole 91, the first adjusting plate 31221 or the second adjusting plate 31222 extends into the fixing hole 91 and the first adjusting plate 31221 or the second adjusting plate 31222 is connected with the fixing hole 91.
First color standard sensor 1 and second color standard sensor 2 all are provided with warning light 11, can confirm first color standard sensor 1 and second color standard sensor 2's operating condition through warning light 11.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An edge patrol device is characterized by comprising a first color mark sensor (1), a second color mark sensor (2), a cutter device (3), a moving structure (4) and a driving device (5),
the edge inspection device is installed on a frame body (6) of the film laminating machine, the first color mark sensor (1), the second color mark sensor (2) and the cutter device (3) are connected to the same moving structure (4) through a connecting piece (7), the moving structure (4) is connected with the driving device (5), and the driving device (5) can drive the moving structure (4) to move;
the second color mark sensor (2) is connected with the driving device (5) through a controller, the second color mark sensor (2) can identify a cutting line (81) on a piece to be cut (8) and convert the cutting line into a cutting signal, the controller can receive and process the cutting signal, and the controller can change the rotating state of the driving device (5) through processing the cutting signal;
the first color scale sensor (1) is connected with the controller, the first color scale sensor (1) can identify a working area color bar (82) on a piece to be cut (8) and convert the working area color bar into a working signal, the controller can receive and process the working signal, and the controller can change the working state of the second color scale sensor (2) through processing the working signal.
2. An edge patrol device according to claim 1, wherein the moving structure (4) comprises a main moving structure (41) and a slave moving structure (42), the main moving structure (41) is a ball screw structure and the main moving structure (41) is connected with the driving device (5), the slave moving structure (42) is a guide rail structure, and the main moving structure (41) and the slave moving structure (42) are respectively connected with two ends of the connecting member (7).
3. The edge patrol device according to claim 2, wherein the main moving structure (41) comprises a threaded rod (411), a threaded sleeve (412), a bearing (413), a moving block (414) and a first frame (415), the first frame (415) is fixedly arranged on the frame body (6), the threaded rod (411) is rotatably connected with the first frame (415), the threaded rod (411) is arranged in the first frame (415), one end of the threaded rod (411) penetrates through the first frame (415) and is connected with the driving device (5), the threaded sleeve (412) is sleeved on the threaded rod (411), the threaded sleeve (412) is in threaded connection with the threaded rod (411), an inner ring of the bearing (413) is in fit connection with the threaded sleeve (412), and an outer ring of the bearing (413) is in fit connection with the moving block (414), the moving block (414) is connected with the end part of the connecting piece (7).
4. The edge patrol device according to claim 2, wherein the slave moving structure (42) comprises a guide rail (421), a sliding block (422) and a second frame (423), the second frame (423) is fixedly arranged on the frame body (6), the guide rail (421) is positioned in the second frame (423), two ends of the guide rail (421) are fixedly connected with the second frame (423), the sliding block (422) is slidably connected with the guide rail (421), and the sliding block (422) is connected with an end of the connecting member (7).
5. Edge patrol device according to claim 1, wherein said connecting element (7) comprises a connecting rod (71) and a slider (72), one slider (72) being connected to each end of said connecting rod (71), said slider (72) being connected to said mobile structure (4), said first color mark sensor (1), said second color mark sensor (2) and said cutter device (3) being connected to said connecting rod (71).
6. Edge patrol device according to claim 5, wherein the number of said cutter devices (3) is at least one, said cutter devices (3) being distributed along the length direction of said connecting rod (71).
7. The edge patrol apparatus according to claim 5, wherein the cutter device (3) is detachably connected to the connecting rod (71), the cutter device (3) comprises a cutter holder (31) and a cutter (32), the cutter (32) is connected to the cutter holder (31), and the cutter holder (31) is detachably connected to the connecting rod (71).
8. The edge patrol device according to claim 7, wherein the tool holder (31) comprises a mounting portion (311) and an adjusting portion (312), the mounting portion (311) is fixedly connected with the adjusting portion (312), a mounting hole (3111) is formed in the mounting portion (311), the cutting knife (32) penetrates through the mounting hole (3111), and the cutting knife (32) is connected with the mounting hole (3111); the adjusting portion (312) is provided with an adjusting hole (3121) and an adjusting mechanism (3122), the adjusting portion (312) is provided with an opening (3123) along the axial direction of the adjusting portion (312), the opening (3123) is communicated with the adjusting hole (3121), the connecting rod (71) passes through the adjusting hole (3121) and the connecting rod (71) is connected with the adjusting hole (3121), the adjusting mechanism (3122) is connected with the side edge of the opening (3123);
the adjusting mechanism (3122) includes a first adjusting plate (31221), a second adjusting plate (31222), and a bolt (31223), the first adjusting plate (31221) and the second adjusting plate (31222) are divided to be located at both sides of the opening (3123), and the first adjusting plate (31221) and the second adjusting plate (31222) are connected through the bolt (31223).
9. The edge patrol apparatus according to claim 8, wherein an open groove (711) is formed in the connecting rod (71), a protruding strip (31211) is formed in the adjusting hole (3121), the protruding strip (31211) can extend into the open groove (711), and the protruding strip (31211) is connected with the open groove (711).
10. Edge patrol device according to claim 1, wherein the first color mark sensor (1) and the second color mark sensor (2) are connected to one holder (9), the holder (9) being connected to one of the cutter devices (3), or wherein the first color mark sensor (1) and the second color mark sensor (2) are connected to two holders (9), respectively, each holder (9) being connected to one of the cutter devices (3);
the first color scale sensor (1) and the second color scale sensor (2) are both provided with warning lamps (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922142444.XU CN211104290U (en) | 2019-12-02 | 2019-12-02 | Edge inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922142444.XU CN211104290U (en) | 2019-12-02 | 2019-12-02 | Edge inspection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211104290U true CN211104290U (en) | 2020-07-28 |
Family
ID=71709494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922142444.XU Expired - Fee Related CN211104290U (en) | 2019-12-02 | 2019-12-02 | Edge inspection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211104290U (en) |
-
2019
- 2019-12-02 CN CN201922142444.XU patent/CN211104290U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210915 Address after: 450000 No. 34, building 5, phase II, Longding enterprise center, West Fourth Ring electronic and Electrical Appliance Industrial Park, Lianhua street, high tech Industrial Development Zone, Zhengzhou City, Henan Province Patentee after: Zhengzhou Jiuduan Technology Co.,Ltd. Address before: 253600 No. 138, Liuwu Guan Village, Huayuan Town, Leling City, De Zhou City, Shandong Province Patentee before: Liu Dongsheng |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 Termination date: 20211202 |