CN221434454U - A waste edge coiler for unwinding, slitting and winding lines - Google Patents
A waste edge coiler for unwinding, slitting and winding lines Download PDFInfo
- Publication number
- CN221434454U CN221434454U CN202323613252.5U CN202323613252U CN221434454U CN 221434454 U CN221434454 U CN 221434454U CN 202323613252 U CN202323613252 U CN 202323613252U CN 221434454 U CN221434454 U CN 221434454U
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- fixedly connected
- slitter edge
- box
- rack
- uncoiling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
The utility model relates to the technical field of slitter edge coiling for uncoiling longitudinal shearing coiling lines, in particular to a slitter edge coiling machine for uncoiling longitudinal shearing coiling lines. This uncoil indulge slitter edge coiling machine for rolling line, through uncoiling limit structure and the cooperation of first diaphragm, two electric telescopic handle starts the first montant of promotion downwardly moving, and the montant downwardly moving can drive the square downwardly moving, and the square downwardly moving can drive the cooperation that two first transfer poles lower extreme pass through the round pin axle, and it is spacing through first diaphragm upper surface, makes slitter edge material can laminate when the rolling and stretches, prevents slitter edge material crooked when the rolling to waste material rolling effect has been promoted.
Description
Technical Field
The utility model relates to the technical field of slitter edge coiling for uncoiling longitudinal shearing coiling lines, in particular to a slitter edge coiling machine for uncoiling longitudinal shearing coiling lines.
Background
The coiling machine is auxiliary equipment of a rolling mill for coiling hot rolled or cold rolled steel into a coil shape, and is arranged behind a finished product stand on a hot strip steel continuous rolling mill (a hot continuous rolling unit), a cold strip steel continuous rolling mill and a wire rolling mill; the single-stand reversible cold strip rolling mill is arranged at the front and rear of the rolling mill, and is also arranged in various finishing units such as a continuous pickling unit, a longitudinal shear, an annealing unit, a coating unit and the like, so that a slitter edge coiling machine is needed when slitter edge materials slitter edges are coiled and collected.
For example, the authority bulletin number is a slitter edge coiling machine of CN219464387U, when the slitter edge coiling machine is matched with a first cutter, a second cutter, a first hydraulic cylinder, a second hydraulic cylinder, a sliding block and a sliding rail, the slitter edge material can be unloaded without detaching a coiling roller, the working steps are reduced, the working time can be effectively shortened, the working efficiency is improved, the investment of labor cost can be effectively reduced, and the unexpected risk of workers in detaching the coiling roller is avoided. However, in the slitter edge coiling machine, due to long-time coiling, slitter edge materials can bend during transportation, the tightness of two ends of the slitter edge materials can be different during coiling, so that the waste coiling effect is reduced, meanwhile, two hydraulic cylinders and two hydraulic cylinders on a base are arranged on a top plate of the slitter edge coiling machine, and meanwhile, when a cutter on a push rod is driven to cut the slitter edge materials on the surface of a crimping roller, the slitter edge materials easily fall on a lower end fixing plate and outside a collecting box, and workers are required to manually put into the collecting box again, so that the working speed is reduced.
Disclosure of utility model
The utility model aims to solve the problems that in the coiling process, the tightness of two ends of a slitter edge material is different, and the slitter edge material is easy to fall on a lower end fixing plate and out of a collecting box, and provides a slitter edge coiling machine for uncoiling, longitudinal shearing and coiling coils.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a cut winding line with slitter edge coiler is indulged in uncoiling, includes base and a plurality of pillar, base upper surface and a plurality of pillar lower surface fixed connection, a plurality of the equal fixedly connected with of pillar upper surface is first diaphragm, the equal fixedly connected with fixed block in first diaphragm upper surface both ends, two the fixed block is all rotated through round pin axle and first rotor and is connected, the equal fixedly connected with in first diaphragm upper surface both ends two risers, two the riser surface all is equipped with uncoils limit structure, base upper surface fixedly connected with frame, the base surface is equipped with slitter edge receipts material structure.
Preferably, the uncoiling limiting structure comprises a first box body, the surface of the first box body is fixedly connected with the surface of a vertical plate, an electric telescopic rod is fixedly connected to the inner wall of the first box body, a first vertical rod is fixedly connected to the telescopic end of the electric telescopic rod, a square is fixedly connected to the end part of the first vertical rod, the surface of the square is movably connected with one end of two first vertical rods through a pin shaft, the other end of the first vertical rod is movably connected with two second vertical rods through a pin shaft, the two upper ends of the second vertical rods are fixedly connected with a third vertical rod, the third vertical rod is slidably connected with a slide way machined in the inner wall of the first box body, the two second vertical rods are movably connected with one end of the two second vertical rods through pin shafts, the other end of each second vertical rod is movably connected with the upper end of a fourth vertical rod through a pin shaft, and the lower end of the fourth vertical rod is rotatably connected with a roller through a pin shaft.
Preferably, the slitter edge material receiving structure comprises a second box body, the second box body lower surface is fixedly connected with the base upper surface, the second box body inner wall is fixedly connected with a first motor through a support, a first motor output shaft is fixedly connected with a first disc surface through a speed reducer, the first disc is rotationally connected with a second disc through a belt, the second disc is rotationally connected with the second box body inner wall through a pin shaft, a protruding cylinder on the second disc surface is fixedly connected with a gear, the gear is meshed with a first rack and a second rack, the first rack and the second rack are both in sliding connection with a slide way machined on the second box body inner wall through a cylinder protruding from the back, and the first rack and the second rack all penetrate through an opening on the second box body.
Preferably, the two hydraulic cylinders are fixedly connected to the upper surface of the base and the inner wall of the frame, the two telescopic ends of the hydraulic cylinders are fixedly connected with fixing plates, and cutters are fixedly connected to the surfaces of the fixing plates.
Preferably, the two sides of the frame are fixedly connected with second motors through brackets, the two second motor output shafts penetrate through the two sides of the frame through speed reducers, the two second motor output shafts are movably connected with the frame through bearings, and the two second motor output shafts are fixedly connected with the second rotating rollers.
Preferably, the collecting box is placed on the upper surface of the base, the pushing blocks are fixedly connected to the surfaces of the first racks and the second racks, and the first racks and the second racks penetrate through openings on the surface of the frame.
The utility model provides a slitter edge coiling machine for uncoiling, slitting and coiling, which has the beneficial effects that: through the cooperation of opening a book limit structure and first diaphragm, two electric telescopic handle starts the first montant of promotion down to move, the montant down moves and can drive the square down to move, the square down moves can drive the cooperation of two first transfer poles lower extreme through the round pin axle, drive two first bull stick upper end relative movements, first transfer pole relative movement can drive two second montant relative movements simultaneously, two second montant relative movements can drive two third montants and slide on the slide of processing in the first box, second montant relative movement can drive two second bull stick upper ends simultaneously and drive lower extreme relative movement through the cooperation of round pin axle, two second bull stick relative swinging can drive fourth montant down to move in first box, fourth montant down can drive the gyro wheel down to move and laminate mutually with slitter edge material surface, limit through first diaphragm upper surface, make slitter edge material laminate stretching when the rolling, prevent that slitter edge material from bending when the rolling, thereby waste material rolling has been promoted.
Through the cooperation of slitter edge receipts material structure and impeller, first disc rotates through the belt drive second disc, the second disc rotates and can drive the gear and rotate clockwise in the second box, gear rotation can drive first rack and second rack and slide in the second box in opposite directions, can drive the impeller when the second rack slides left and remove left, simultaneously also can promote slitter edge material to remove left and drop in collecting the case, when first motor drives first disc and makes the gear anticlockwise rotate, opposite with above-mentioned motion, first rack can slide left and drive the impeller and remove left, also can promote slitter edge material to remove left simultaneously and drop in collecting the case, so can accomplish slitter edge material and collect work, install slitter edge receipts material structure for the machine, prevent that slitter edge material from dropping on the fixed plate and collecting the case when cutting, avoid the staff to put slitter edge material in the collecting the case again, thereby can be faster step into follow-up work also promote working speed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a right side cross-sectional view of FIG. 1;
FIG. 3 is a left side cross-sectional view of FIG. 2;
FIG. 4 is a top cross-sectional view of FIG. 2;
FIG. 5 is a front cross-sectional view of the unwind stand stop structure of FIG. 3;
FIG. 6 is a right side cross-sectional view of FIG. 5;
FIG. 7 is a front cross-sectional view of the scrap receiving structure of FIG. 2;
Fig. 8 is a bottom cross-sectional view of fig. 7.
In the figure: 1. the scrap edge receiving structure comprises 101, a second box body, 102, a second rack, 103, a second disc, 104, a first disc, 105, a belt, 106, a first motor, 107, a first rack, 108, a gear, 2, an uncoiling limiting structure, 201, a first box body, 202, a third vertical rod, 203, a first rotating rod, 204, a second vertical rod, 205, an electric telescopic rod, 206, a square block, 207, a fourth vertical rod, 208, a roller, 209, a first vertical rod, 210, a second rotating rod, 3, a vertical plate, 4, a fixed block, 5, a first rotating roller, 6, a first transverse plate, 7, a pillar, 8, a base, 9, a frame, 10, a receiving box, 11, a second motor, 12, a second rotating roller, 13, a cutter, 14, a fixed plate, 15, a hydraulic cylinder, 16 and a pushing block.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
Referring to fig. 1-8: in the embodiment, the slitter edge coiling machine for uncoiling, slitting and coiling comprises a base 8 and a plurality of support posts 7, wherein the upper surface of the base 8 is fixedly connected with the lower surface of the support posts 7, the upper surfaces of the support posts 7 are fixedly connected with a first transverse plate 6, two ends of the upper surface of the first transverse plate 6 are fixedly connected with fixing blocks 4, two fixing blocks 4 are rotationally connected with a first rotary roller 5 through pin shafts, the first rotary roller 5 can rotate in the two fixing blocks 4, two ends of the upper surface of the first transverse plate 6 are fixedly connected with two vertical plates 3, uncoiling limiting structures 2 are arranged on the surfaces of the two vertical plates 3, a frame 9 is fixedly connected with the upper surface of the base 8, a slitter edge collecting structure 1 is arranged on the surface of the base 8, two hydraulic cylinders 15 are fixedly connected with the inner walls of the frame 9, the plurality of hydraulic cylinders 15 can meet working requirements according to actual requirements, the telescopic ends of the two hydraulic cylinders 15 are fixedly connected with a fixing plate 14, the surface of the fixed plate 14 is fixedly connected with a cutter 13, a plurality of hydraulic cylinders 15 respectively push the two fixed plates 14 and the cutter 13 to move inwards, two sides of the frame 9 are fixedly connected with second motors 11 through brackets, the output shafts of the two second motors 11 penetrate through two sides of the frame 9 through reducers, the output shafts of the two second motors 11 are movably connected with the frame 9 through bearings, the output shafts of the two second motors 11 can rotate in the frame 9, the output shafts of the two second motors 11 are fixedly connected with second rotating rollers 12, the two second motors 11 can drive the second rotating rollers 12 to rotate, a collecting box 10 is arranged on the upper surface of the base 8, the surfaces of a first rack 107 and a second rack 102 are fixedly connected with pushing blocks 16, and the first rack 107 and the second rack 102 penetrate through openings on the surface of the frame 9, when the first rack 107 and the second rack 102 respectively move leftwards, the pushing block 16 can be driven to push the scrap edge materials leftwards to fall into the collecting box 10.
Referring to fig. 1-6: the uncoiling limiting structure 2 comprises a first box 201, the surface of the first box 201 is fixedly connected with the surface of a vertical plate 8, an electric telescopic rod 205 is fixedly connected to the inner wall of the first box 201, the first electric telescopic rod 205 can meet the working requirement according to the actual requirement, a first vertical rod 209 is fixedly connected to the telescopic end of the electric telescopic rod 205, a square 206 is fixedly connected to the end part of the first vertical rod 209, the telescopic end of the electric telescopic rod 205 can drive the first vertical rod 209 and the square 206 to move downwards, the surface of the square 206 is movably connected with one ends of two first rotating rods 203 through pin shafts, and the other ends of the two first rotating rods 203 are movably connected with two second vertical rods 204 through pin shafts;
The square 206 moves downwards to drive the two first rotating rods 203 to swing inwards through the cooperation of the pin shafts at the lower ends, meanwhile, the two second rotating rods 204 are also driven to move inwards, the upper ends of the two second rotating rods 204 are fixedly connected with third vertical rods 202, the third vertical rods 202 are in sliding connection with the slide ways processed on the inner wall of the first box 201, the two second vertical rods 204 move and simultaneously can drive the two third vertical rods 202 to slide inwards through the slide ways processed on the inner wall of the first box 201, the two second vertical rods 204 are movably connected with one ends of the two second rotating rods 210 through the pin shafts, the inward movement of the two second vertical rods 204 can drive the two second rotating rods 210 to swing downwards, the other ends of the two second rotating rods 210 are movably connected with the upper ends of the fourth vertical rods 207 through the pin shafts, the downward swing of the two second rotating rods 210 can drive the fourth vertical rods 207 to move downwards, the lower ends of the fourth vertical rods 207 are rotatably connected with the roller 208 through the pin shafts, and the fourth vertical rods 207 move downwards can drive the roller 208 to move downwards;
Referring to fig. 1-2 and 7-8: the slitter edge material receiving structure 1 comprises a second box body 101, the lower surface of the second box body 101 is fixedly connected with the upper surface of a base 8, the inner wall of the second box body 101 is fixedly connected with a first motor 106 through a bracket, the first motor 106 can meet the working requirement according to the actual requirement, an output shaft of the first motor 106 is fixedly connected with the surface of a first disc 104 through a speed reducer, the first motor 106 can drive the first disc 104 to rotate, the first disc 104 is rotationally connected with a second disc 103 through a belt 105, the second disc 103 is driven to rotate through the belt 105 when the first disc 104 rotates, the second disc 103 is rotationally connected with the inner wall of the second box body 101 through a pin shaft, the second disc 103 can rotate in the first box body 101, and a convex cylinder on the surface of the second disc 103 is fixedly connected with a gear 108;
The second disc 103 can drive the gear 108 to rotate clockwise, the gear 108 is meshed with the first rack 107 and the second rack 102, the gear 108 can drive the first rack 107 to slide rightwards when rotating clockwise, meanwhile, the second rack 102 can also be driven to slide leftwards, the first rack 107 and the second rack 102 are both in sliding connection with a slide way machined on the inner wall of the second box 101 through a cylinder with a raised back, the first rack 107 and the second rack 102 can slide leftwards and rightwards in a sliding mode machined in the second box 101, and the first rack 107 and the second rack 102 penetrate through openings in the second box 101.
Working principle:
Waste edge material limiting work:
When using winding structure, curl the slitter edge material on first roller 5, then the slitter edge material is curled on second roller 12 through first diaphragm 6 again, then put through the power cord of two electric telescopic handle 205 on the control panel, switch on two electric telescopic handle 205 external power supply simultaneously, two electric telescopic handle 205 start promotion first montant 209 move down (as in fig. 5), montant 209 moves down and can drive square 206 and move down, square 206 moves down and can drive the cooperation of two first transfer handle 203 lower extreme through the round pin axle, drive two first bull stick 203 upper ends relative movement, first transfer handle 203 relative movement can drive two second montant 204 relative movement simultaneously, two second montant 204 relative movement can drive two third montant 202 and slide relatively on the slide of processing in first box 201, second montant 204 relative movement can drive two second bull stick 210 upper ends simultaneously and drive the lower extreme relative movement through the cooperation of round pin axle, two second bull stick 210 relative movement can drive fourth montant 207 and move down in first box 210, square 206 moves down and can drive the cooperation of two second montant 203 through the round pin axle, can drive the cooperation of second montant motor 208, can carry out rolling material on the second control panel through the second diaphragm 11, can prevent that the changeover edge material from moving down, the changeover control panel is carried out at the second diaphragm 11, the opposite movement, can carry out the changeover edge material is stretched to the slitter edge material, can be realized by the changeover edge material is stretched over the second control panel, can be by the changeover edge, can be by the changeover process, and can be by the changeover process, the changeover of the slitter edge material is convenient, and the electric, and can is convenient, and the electric.
Waste edge material collection work:
after the slitter edge material is curled, the power lines of the hydraulic cylinders 15 are simultaneously connected to the control board, then the external power supply of the hydraulic cylinders 15 is simultaneously connected, the hydraulic cylinders 15 are started, the two fixing plates 14 are pushed to move relatively (as shown in fig. 3), the two cutters 13 are simultaneously driven to move relatively, the slitter edge material wound on the second rotating roller 12 is cut, the slitter edge material can fall on the lower end fixing plate 14, then the external power supply of the first motor 106 is connected, the first motor 106 is started to drive the first disc 104 to rotate (as shown in fig. 7), the first disc 106 rotates to drive the second disc 103 to rotate in the second box 101 through the belt 105, the second disc 103 rotates to drive the gear 108 to rotate clockwise (as shown in fig. 7), the gear 108 rotates to drive the first rack 107 and the second rack 102 to slide relatively in the second box 101, the second rack 102 drives the pushing block 16 to slide leftwards when the second rack 102 slides leftwards, the slitter edge material can be pushed to move leftwards and fall in the collecting box 10, when the first motor 106 drives the first disc 104 to drive the first disc 108 to rotate anticlockwise, the first disc 104 rotates, the second rack 107 drives the second rack 107 to slide leftwards, and the slitter edge material can slide leftwards when the slitter edge material is pushed by the first rack, and the first rack is pushed to move left.
While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.
Claims (4)
1. The utility model provides an uncoiling is indulged and is cut slitter edge coiling machine for receipts line, includes base (8) and a plurality of pillar (7), surface fixed connection under base (8) upper surface and a plurality of pillar (7), its characterized in that: the novel plastic material collecting device comprises a plurality of support columns (7), wherein the upper surfaces of the support columns (7) are fixedly connected with first transverse plates (6), two ends of the upper surfaces of the first transverse plates (6) are fixedly connected with fixed blocks (4), the two fixed blocks (4) are rotationally connected with a first rotating roller (5) through pin shafts, two vertical plates (3) are fixedly connected with the two ends of the upper surfaces of the first transverse plates (6), uncoiling limiting structures (2) are arranged on the surfaces of the two vertical plates (3), a frame (9) is fixedly connected with the upper surface of a base (8), and a waste edge collecting structure (1) is arranged on the surface of the base (8);
The uncoiling limiting structure (2) comprises a first box body (201), wherein the surfaces of the first box body (201) are fixedly connected with the surfaces of two vertical plates (3), the inner wall of the first box body (201) is fixedly connected with an electric telescopic rod (205), the telescopic end of the electric telescopic rod (205) is fixedly connected with a first vertical rod (209), the end part of the first vertical rod (209) is fixedly connected with a square block (206), the surfaces of the square block (206) are movably connected with one ends of two first rotating rods (203) through pin shafts, the other ends of the two first rotating rods (203) are movably connected with two second vertical rods (204) through pin shafts, the upper ends of the two second vertical rods (204) are fixedly connected with a third vertical rod (202), the third vertical rod (202) is in sliding connection with a slide way machined on the inner wall of the first box body (201), the two second vertical rods (204) are movably connected with one ends of two second rotating rods (210) through pin shafts, the other ends of the two second rotating rods (210) are movably connected with the upper ends of four vertical rods (207) through pin shafts, and the lower ends of the four rotating rods (207) are movably connected with the lower ends of the four vertical rods (207);
Slitter edge receipts material structure (1) include second box (101), second box (101) lower surface and base (8) upper surface fixed connection, second box (101) inner wall passes through support fixedly connected with first motor (106), first motor (106) output shaft passes through reduction gear and first disc (104) fixed surface connection, first disc (104) are passed through belt (105) and are connected with second disc (103) rotation, second disc (103) are connected with second box (101) inner wall rotation through the round pin axle, second disc (103) surface bellied cylinder and gear (108) fixed connection, gear (108) are connected with first rack (107) and second rack (102) meshing, slide sliding connection of first rack (107) and second rack (102) all through the processing of back bellied cylinder and second box (101) inner wall, first rack (107) and second rack (102) all run through the opening on second box (101).
2. The slitter edge coiler for uncoiling, slitting and coiling of claim 1, wherein: the automatic cutting machine is characterized in that two hydraulic cylinders (15) are fixedly connected to the upper surface of the base (8) and the inner wall of the frame (9), fixing plates (14) are fixedly connected to telescopic ends of the two hydraulic cylinders (15), and cutters (13) are fixedly connected to the surfaces of the fixing plates (14).
3. The slitter edge coiler for uncoiling, slitting and coiling of claim 2, wherein: the two sides of the frame (9) are fixedly connected with second motors (11) through brackets, the output shafts of the two second motors (11) penetrate through the two sides of the frame (9) through speed reducers, the output shafts of the two second motors (11) are movably connected with the frame (9) through bearings, and the output shafts of the two second motors (11) are fixedly connected with second rotating rollers (12).
4. A slitter edge coiler for uncoiling, slitting and coiling wire according to claim 3, characterized in that: the collecting box (10) is placed on the upper surface of the base (8), pushing blocks (16) are fixedly connected to the surfaces of the first racks (107) and the second racks (102), and openings of the surfaces of the frames (9) are penetrated by the first racks (107) and the second racks (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323613252.5U CN221434454U (en) | 2023-12-27 | 2023-12-27 | A waste edge coiler for unwinding, slitting and winding lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323613252.5U CN221434454U (en) | 2023-12-27 | 2023-12-27 | A waste edge coiler for unwinding, slitting and winding lines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221434454U true CN221434454U (en) | 2024-07-30 |
Family
ID=92056758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323613252.5U Active CN221434454U (en) | 2023-12-27 | 2023-12-27 | A waste edge coiler for unwinding, slitting and winding lines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221434454U (en) |
-
2023
- 2023-12-27 CN CN202323613252.5U patent/CN221434454U/en active Active
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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: 20250813 Address after: 250117 No. 3 Building, Unit 2, Phase 2, Green Land International Flower City, Huaiyin District, Jinan City, Shandong Province Patentee after: Deng Qingfu Country or region after: China Address before: 266000 Qingdao City, Chengyang District, Xichenghui Community, West of Mo Shui River, 600 meters north Patentee before: Qingdao liguangyuan Stainless Steel Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20251115 Address after: 250307 Shandong Province, Jinan City, Changqing District, Guyun Lake Street, Da Liu Industrial Park, No. 6 Patentee after: Jinan Jingwei Automation Equipment Co.,Ltd. Country or region after: China Address before: 250117 No. 3 Building, Unit 2, Phase 2, Green Land International Flower City, Huaiyin District, Jinan City, Shandong Province Patentee before: Deng Qingfu Country or region before: China |