CN114425566B - Cooling system for zinc line production rolling mill - Google Patents
Cooling system for zinc line production rolling mill Download PDFInfo
- Publication number
- CN114425566B CN114425566B CN202210227238.2A CN202210227238A CN114425566B CN 114425566 B CN114425566 B CN 114425566B CN 202210227238 A CN202210227238 A CN 202210227238A CN 114425566 B CN114425566 B CN 114425566B
- Authority
- CN
- China
- Prior art keywords
- plate
- cooling liquid
- foam
- liquid tank
- lifting
- 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.)
- Active
Links
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 238000005096 rolling process Methods 0.000 title claims abstract description 27
- 238000001816 cooling Methods 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000011701 zinc Substances 0.000 title claims abstract description 8
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 8
- 239000006260 foam Substances 0.000 claims abstract description 184
- 238000007790 scraping Methods 0.000 claims abstract description 120
- 239000000110 cooling liquid Substances 0.000 claims abstract description 112
- 230000007704 transition Effects 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 10
- 230000003749 cleanliness Effects 0.000 abstract description 7
- 239000002826 coolant Substances 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 6
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 238000007667 floating Methods 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 7
- 238000011084 recovery Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/10—Lubricating, cooling or heating rolls externally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0224—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for wire, rods, rounds, bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/10—Lubricating, cooling or heating rolls externally
- B21B2027/103—Lubricating, cooling or heating rolls externally cooling externally
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Removal Of Floating Material (AREA)
Abstract
The application relates to a cooling system for a zinc line production rolling mill, and relates to the technical field of zinc line production, which comprises a bracket, wherein a cooling liquid tank is arranged on the bracket, and a foam scraping plate is arranged in the cooling liquid tank; the cooling liquid box is provided with a driving assembly for moving the foam scraping plate from one end of the cooling liquid box to the other end of the cooling liquid box; one end of the cooling liquid tank is fixedly provided with a foam collecting tank; the foam scraping plate is obliquely upwards arranged towards the foam collecting box; the cooling liquid tank is provided with a lifting assembly for lifting the foam scraping plate in the cooling liquid tank; the lifting component is arranged close to the foam collecting box. The utility model has the effect of improving the cleanliness factor of cyclic utilization's coolant liquid.
Description
Technical Field
The application relates to the technical field of zinc wire production, in particular to a cooling system for a zinc wire production rolling mill.
Background
In zinc wire production, rolling a large-diameter zinc wire into a small-diameter zinc wire by a rolling mill; the rolling process requires cooling of the rotating rolls and the moving zinc wire.
Referring to fig. 1, the cooling system for the zinc wire production rolling mill in the prior art comprises a bracket 1, wherein a cooling liquid tank 11 for containing cooling liquid is arranged on the bracket 1, the cooling liquid tank 11 is communicated with a cooling pipe 112, a plurality of water pouring pipes 113 are communicated with the circumferential side wall of the cooling pipe 112, and water outlets of the water pouring pipes 113 are arranged close to a roller or a zinc wire; the below of rolling mill is equipped with the recovery tank 114 that is used for retrieving the coolant liquid, and the bottom intercommunication of recovery tank 114 has outlet pipe 115, and the one end and the coolant tank 11 intercommunication of recovery tank 114 are kept away from to outlet pipe 115.
When the roller and the zinc wire are cooled, the cooling liquid in the cooling liquid tank 11 flows into each water pouring pipe 113 through the cooling pipe 112 by the pump, and the water pouring pipes 113 pour the cooling liquid onto the corresponding roller or onto the zinc wire, so that the effect of cooling the roller and the zinc wire is achieved; the cooling liquid poured onto the roller or the zinc wire flows into the recovery tank 114, and the cooling liquid in the recovery tank 114 flows back into the cooling liquid tank 11 through the water outlet pipe 115.
In view of the above-mentioned related art, the inventors consider that there is a defect that a floating foam is likely to occur above the liquid surface of the cooling liquid flowing back into the cooling liquid tank, and the cleanliness of the recycled cooling liquid is low.
Disclosure of Invention
In order to improve the cleanliness of the recycled cooling liquid, the application provides a cooling system for a zinc line production rolling mill.
The cooling system for the zinc wire production rolling mill adopts the following technical scheme:
the cooling system for the zinc wire production rolling mill comprises a bracket, wherein a cooling liquid tank is arranged on the bracket, and a foam scraping plate is arranged in the cooling liquid tank; the cooling liquid box is provided with a driving assembly for moving the foam scraping plate from one end of the cooling liquid box to the other end of the cooling liquid box; one end of the cooling liquid tank is fixedly provided with a foam collecting tank; the foam scraping plate is obliquely upwards arranged towards the foam collecting box; the cooling liquid tank is provided with a lifting assembly for lifting the foam scraping plate in the cooling liquid tank; the lifting component is arranged close to the foam collecting box.
Through adopting the technical scheme, when the floating foam in the cooling liquid tank is cleaned, the foam scraping plate is arranged at one end far away from the foam collecting tank, the bottom end of the foam scraping plate stretches below the liquid level, and the foam scraping plate is driven by the driving component to move towards one end close to the foam collecting tank; when the foam scraping plate moves, the foam scraping plate drives the floating foam to gather in the direction close to the foam collecting box until the bottom end of the foam scraping plate is attached to the inner wall of the cooling liquid box close to the foam collecting box; then the foam scraping plate is driven to move upwards by the lifting component until the bottom end of the foam scraping plate is not lower than the upper surface of the cooling liquid tank; at this moment, the froth on the froth scraping plate flows into the froth collecting box under the action of self gravity, so that the effect of cleaning the froth in the cooling liquid box is achieved, and the cleanliness of the cooling liquid in the cooling liquid box is improved.
Optionally, the driving assembly comprises a driving motor, two fixing plates, a driving screw, a guide rod and a moving plate, wherein the two fixing plates are fixedly arranged on the outer wall of the cooling liquid tank; two ends of the driving screw are respectively and rotatably connected to the two fixed plates, two ends of the guide rod are respectively and fixedly arranged on the two fixed plates, and the driving screw and the guide rod are mutually parallel; the driving screw rod and the guide rod penetrate through the moving plate, and the driving screw rod is in threaded connection with the moving plate; the driving motor is fixedly arranged on one of the fixing plates, and an output shaft of the driving motor is coaxially and fixedly connected with one end of the driving screw rod; one end of the foam scraping plate is connected with the moving plate.
By adopting the technical scheme, when the foam scraping plate moves from one end of the cooling liquid tank to the other end of the cooling liquid tank; and the driving motor is started, the output shaft of the driving motor drives the driving screw to rotate, the driving screw drives the moving plate to move along the axial direction of the guide rod, and the moving plate drives the foam scraping plate to move, so that the moving efficiency of the foam scraping plate in the cooling liquid tank is improved.
Optionally, one end of the foam scraping plate connected with the moving plate is fixedly connected with a connecting plate; the movable plate is fixedly provided with a movable column, the upper surface of the joint plate is provided with a lifting hole, and the movable column penetrates through the lifting hole and is connected in the lifting hole in a sliding manner.
By adopting the technical scheme, the movable plate drives the movable column to move so as to drive the connecting plate to move, and the connecting plate drives the foam scraping plate to move; when the lifting assembly drives the foam scraping plate to lift, the foam scraping plate drives the connecting plate to lift, so that the connecting plate moves along the moving column, and then the foam scraping plate moves more stably when lifting in the cooling liquid tank.
Optionally, the lifting assembly comprises a lifting motor and a lifting screw rod, and the lifting motor is fixedly arranged on the lower surface of the cooling liquid tank; one end of the lifting screw rod is coaxially and fixedly connected with the output shaft of the lifting motor, and the other end of the lifting screw rod penetrates through the bottom wall of the cooling liquid tank and stretches into the cooling liquid tank; the upper surface of the foam scraping plate is provided with a through hole and a threaded hole which are communicated; when the foam scraping plate moves towards the foam collecting box, the lifting screw rod enters the threaded hole through the through hole, and the lifting screw rod is connected in the threaded hole in a threaded mode.
By adopting the technical scheme, when the foam scraping plate moves to a position close to the foam collecting box, the lifting screw rod enters the threaded hole through the through hole, the lifting screw rod is in threaded connection with the threaded hole, and at the moment, the driving assembly stops driving the foam scraping plate to move; and the lifting motor is started, and drives the lifting screw to rotate, and the lifting screw drives the foam scraping plate to move upwards until the bottom end of the foam scraping plate is not lower than the upper surface of the cooling liquid tank, so that the lifting of the foam scraping plate is facilitated, and the lifting efficiency of the foam scraping plate in the cooling liquid tank is improved.
Optionally, the side wall of the cooling liquid tank, which is close to the foam collecting tank, is rotationally connected with a rotating plate, the lower surface of the rotating plate is fixedly provided with a connecting column, the upper surface of the foam scraping plate is provided with a connecting hole, and the connecting column is glidingly connected in the connecting hole; the connecting hole is internally provided with a fixing component for detachably fixing the connecting column in the connecting hole; the outer wall of cooling liquid tank is equipped with the extensible member, and the one end of extensible member articulates on the outer wall of cooling liquid tank, and the other end of extensible member articulates with the lower surface of rotor plate.
By adopting the technical scheme, the lifting assembly drives the foam scraping plate to move upwards until the connecting column is completely inserted into the connecting hole; the connecting column is fixed in the connecting hole by the fixing component; the telescopic piece is started, the telescopic piece pushes the rotating plate and enables the rotating plate to rotate around the rotating axis of the rotating plate, the rotating plate drives the foam scraping plate to rotate, the foam scraping plate drives the floating foam to move, and the floating foam is convenient to pour into the foam collecting box.
Optionally, the fixing component comprises a tightening plate, an auxiliary plate and a torsion spring; one end of the jacking plate is hinged with the side wall of the connecting column, the other end of the jacking plate is hinged with one end of the auxiliary plate, and the other end of the auxiliary plate is connected with the side wall of the connecting column in a sliding manner; the auxiliary plate is positioned at one side of the jacking plate far away from the rotating plate; one end of the torsion spring is fixedly connected with the side wall of the jacking plate, and the other end of the torsion spring is fixedly connected with the side wall of the connecting column; the inner side wall of the connecting hole is provided with a transition groove, and the inner side wall of the transition groove is provided with a fixedly connecting groove; when the connecting column is positioned in the connecting hole, the jacking plate and the auxiliary plate are simultaneously positioned in the fixing groove.
By adopting the technical scheme, when the connecting column is inserted into the connecting hole, the inner wall of the transition groove extrudes the auxiliary plate, so that the auxiliary plate drives the jacking plate to rotate around the axis of the auxiliary plate, and the jacking plate extrudes the torsion spring; the auxiliary plate and the jacking plate slide along the inner wall of the transition groove until the connecting column is completely inserted into the connecting hole, and then the jacking plate moves in the direction away from the connecting column under the action of the resilience force of the torsion spring until the jacking plate and the auxiliary plate are inserted into the fixing groove, so that the jacking plate and the inner wall of the fixing groove are abutted tightly, the effect of fixing the connecting column in the connecting hole is achieved, and the connecting efficiency of the foam scraping plate and the rotating plate is improved.
Optionally, an accommodating groove is formed in the circumferential inner side wall of the connecting hole, and a fixing spring is arranged in the accommodating groove; one end of the fixed spring is fixedly connected with the inner wall of the accommodating groove, the other end of the fixed spring is fixedly connected with the fixed block, and the fixed block slides in the accommodating groove; the side wall of the connecting column is provided with a clamping groove; when the fixed spring is in a natural state, one end of the fixed block extends out of the accommodating groove and is inserted into the clamping groove.
Through adopting above-mentioned technical scheme, when inserting the spliced pole connecting hole, promote the fixed block to the holding tank in earlier completely, in inserting the spliced pole connecting hole again, until making holding tank and joint inslot intercommunication, the fixed block inserts the joint inslot under the effect of fixed spring resilience, makes the spliced pole more stable at the fixed in-connection groove.
Optionally, the top of the movable column is fixedly connected with a bent rod, and the curvature center of the axis of the bent rod is positioned on the rotation axis of the rotation plate.
Through adopting above-mentioned technical scheme, when the rotating plate drove the froth scraping plate and rotated, the froth scraping plate drove the joint board and removes along the bent rod, makes the froth scraping plate remove more stably.
Optionally, a connecting groove is formed in the upper surface of the foam scraping plate, and one end of the rotating plate is positioned in the connecting groove; the upper surface of the foam scraping plate is flush with the upper surface of the rotating plate.
Through adopting above-mentioned technical scheme, when the froth that is located on the froth scraping plate flows to the receipts foam incasement through the rotation board, reduced the residue of froth on the froth scraping plate.
Optionally, a roller is arranged at one end of the foam scraping plate far away from the connecting plate; the cooling liquid tank is provided with a rolling groove, and the roller wheels roll in the rolling groove.
Through adopting above-mentioned technical scheme, when the adapter plate drove and scrape the foam board and remove, scrape the foam board and drive the gyro wheel and remove in the rolling groove, improved the removal efficiency of scraping the foam board in the cooling liquid tank.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the driving assembly drives the foam scraping plate to move in the cooling liquid tank, and the foam scraping plate gathers the floating foam to one end of the cooling liquid tank, which is close to the foam collecting tank; the lifting assembly drives the foam scraping plate to move upwards until the bottom end of the foam scraping plate is not lower than the upper surface of the cooling liquid tank, and the floating foam on the foam scraping plate flows into the foam collecting tank, so that the effect of cleaning the floating foam is achieved, and the cleanliness of the cooling liquid is improved.
2. Through setting up the pivoted board, scrape the foam board and be connected with the pivoted board, the extensible member drives the pivoted board and rotates around self axis of rotation, and the pivoted board drives and scrapes the foam board and rotate, has made things convenient for and has emptyd the foam of scraping on the foam board and receive the foam incasement, and then has made things convenient for the foam clear out the coolant tank.
Drawings
FIG. 1 is a schematic structural diagram of the background art of the present application;
FIG. 2 is a schematic diagram of an embodiment of the present application;
FIG. 3 is a partial cross-sectional view showing a lift assembly;
FIG. 4 is a schematic diagram showing a partial structure of a driving assembly;
FIG. 5 is a partial cross-sectional view showing the fastening assembly;
fig. 6 is a partial cross-sectional view showing the auxiliary assembly.
In the figure, 1, a bracket; 11. a cooling liquid tank; 111. a guide plate; 1111. a rolling groove; 112. a cooling tube; 113. a water pouring pipe; 114. a recovery box; 115. a water outlet pipe; 12. a foam collecting box; 2. a foam scraping plate; 21. a through hole; 22. a threaded hole; 23. a connection hole; 231. a transition groove; 232. a fixing groove; 233. a receiving groove; 234. unlocking the hole; 24. a connecting groove; 25. a roller; 3. a drive assembly; 31. a driving motor; 32. a fixing plate; 33. driving a screw; 34. a guide rod; 35. a moving plate; 4. a lifting assembly; 41. a lifting motor; 42. lifting screw rods; 5. a connection assembly; 51. a splice plate; 511. lifting holes; 52. a moving column; 521. bending a rod; 6. a rotating assembly; 61. a rotating plate; 611. a connecting column; 612. a clamping groove; 613. a dovetail groove; 62. a telescoping member; 7. the assembly is fixedly connected; 71. a pressing plate; 72. an auxiliary plate; 721. dovetail blocks; 73. a torsion spring; 8. an auxiliary component; 81. a fixed block; 82. a fixed spring; 9. unlocking the assembly; 91. pulling the rope; 92. pulling the ring.
Detailed Description
The present application is described in further detail below with reference to fig. 1-6.
The embodiment of the application discloses a cooling system for a zinc line production rolling mill.
Referring to fig. 2 and 3, the cooling system for the zinc wire production rolling mill comprises a bracket 1, wherein a cooling liquid tank 11 which is arranged in an upper opening is arranged on the bracket 1; one end of the cooling liquid tank 11 is provided with a foam collecting tank 12 which is arranged in an upper opening, and the outer side wall of the foam collecting tank 12 is fixedly connected with the outer side wall of the cooling liquid tank 11; the cooling liquid tank 11 is slidably connected with a foam scraping plate 2, the foam scraping plate 2 is obliquely arranged towards the foam collecting tank 12, and the distance from the top end of the foam scraping plate 2 to the foam collecting tank 12 is greater than the distance from the bottom end of the foam scraping plate 2 to the foam collecting tank 12; the end surfaces of the two ends of the foam scraping plate 2 are respectively attached to the two opposite inner side walls of the cooling liquid tank 11; the cooling liquid tank 11 is provided with a driving component 3 for moving the foam scraping plate 2 from one end of the cooling liquid tank 11 to the other end of the cooling liquid tank 11; the cooling liquid tank 11 is provided with a lifting assembly 4 for lifting the foam scraping plate 2 in the cooling liquid tank 11, and the lifting assembly 4 is positioned at one end of the cooling liquid tank 11 close to the foam collecting tank 12.
When the floating foam in the cooling liquid tank 11 is cleaned, the foam scraping plate 2 is firstly placed at one end of the cooling liquid tank 11 far away from the foam collecting tank 12, and the end face of the bottom end of the foam scraping plate 2 is positioned below the liquid level of the cooling liquid; then the driving component 3 drives the foam scraping plate 2 to move towards one end close to the foam collecting box 12; when the foam scraping plate 2 moves, the foam scraping plate 2 drives the floating foam to move above the liquid level of the cooling liquid, and the foam scraping plate 2 gathers the floating foam to one end of the cooling liquid tank 11, which is close to the foam collecting tank 12; after the foam scraping plate 2 moves to be attached to the inner wall of the cooling liquid tank 11, the foam scraping plate 2 is driven to move upwards by the lifting assembly 4 until the bottom end of the foam scraping plate 2 is not lower than the top end of the cooling liquid tank 11; at this time, the floating foam on the foam scraping plate 2 flows into the foam collecting box 12, so that the effect of cleaning the floating foam in the cooling liquid box 11 is achieved, and the cleanliness of the cooling liquid in the cooling liquid box 11 is improved.
Referring to fig. 2 and 4, the driving assembly 3 includes a driving motor 31, a fixing plate 32, a driving screw 33, a guide bar 34, and a moving plate 35, the fixing plate 32 being provided with two; the two fixing plates 32 are fixedly arranged on the same outer wall of the cooling liquid tank 11, the two fixing plates 32 are respectively positioned at two ends of the cooling liquid tank 11 along the length of the cooling liquid tank, and the two fixing plates 32 are parallel to each other; two ends of the driving screw 33 are respectively and rotatably connected to the two fixed plates 32, two ends of the guide rod 34 are respectively fixed to the two fixed plates 32, and the driving screw 33 and the guide rod 34 are mutually parallel and horizontally arranged; the driving screw 33 and the guide rod 34 penetrate through the moving plate 35, and the driving screw 33 is in threaded connection with the moving plate 35; the driving motor 31 is fixedly connected with a fixed plate 32, and the output shaft of the driving motor 31 is coaxially and fixedly connected with one end of a driving screw 33; the moving plate 35 is provided with a connection assembly 5 for connection with the frothing plate 2.
Referring to fig. 4, the connection assembly 5 includes a joint plate 51, a moving column 52, and the moving column 52 is a prism; the moving column 52 is vertically fixed on the moving plate 35; the joint plate 51 is horizontally arranged, the upper surface of the joint plate 51 is provided with a lifting hole 511, and the top end of the moving column 52 penetrates through the lifting hole 511 and slides in the lifting hole 511.
Referring to fig. 4, a guide plate 111 is fixedly provided on an outer sidewall of the coolant tank 11 far from the moving plate 35, and a length direction of the guide plate 111 is parallel to a length direction of the coolant tank 11; the upper surface of the guide plate 111 is provided with a rolling groove 1111; the end of the shaving board 2 away from the joint board 51 is provided with a roller 25, a bracket of the roller 25 is fixedly connected with the shaving board 2, and the roller 25 rolls in the rolling groove 1111.
When the driving assembly 3 drives the foam scraping plate 2 to move, the driving motor 31 is started, the output shaft of the driving motor 31 drives the driving screw 33 to rotate, the driving screw 33 drives the moving plate 35 to move along the axis of the guide rod 34, the moving plate 35 drives the moving column 52 to move, the moving column 52 drives the foam scraping plate 2 to move through the connecting plate 51, the foam scraping plate 2 drives the roller 25 to move in the rolling groove 1111, and the moving efficiency of the foam scraping plate 2 in the cooling liquid tank 11 is improved.
Referring to fig. 2, 3 and 4, the lifting assembly 4 includes a lifting motor 41, a lifting screw 42; the lifting motor 41 is fixedly arranged on the lower surface of the cooling liquid tank 11, and the lifting motor 41 is arranged close to the foam collecting tank 12; one end of the lifting screw 42 is fixedly connected with the output shaft of the lifting motor 41 coaxially, the other end of the lifting screw 42 penetrates through the bottom wall of the cooling liquid tank 11 and stretches into the cooling liquid tank 11, and the lifting screw 42 is vertically arranged in the cooling liquid tank 11. The upper surface of the foam scraping plate 2, which is close to one end of the foam collecting box 12, is vertically provided with a through hole 21 and a threaded hole 22, and the through hole 21 is communicated with the threaded hole 22; when the foam scraping plate 2 is arranged close to the foam collecting box 12, the lifting screw rod 42 is in threaded connection with the threaded hole 22. A rotating component 6 for conveniently pouring the floating foam on the foam scraping plate 2 into the foam collecting box 12 is arranged at one end of the cooling liquid box 11, which is close to the foam collecting box 12, and the rotating component 6 drives the foam scraping plate 2 to rotate; when the rotating component 6 drives the foam scraping plate 2 to rotate, the foam scraping plate 2 is separated from the lifting screw 42.
Referring to fig. 4, the rotating assembly 6 includes a rotating plate 61, a telescopic member 62; the rotating plate 61 is rotatably connected to the top end of the cooling liquid tank 11, and the rotating plate 61 is arranged close to the foam collecting tank 12; the direction of the rotation axis of the rotation plate 61 is parallel to the length direction of the foam scraping plate 2; a telescopic piece 62 is arranged between the rotating plate 61 and the outer wall of the cooling liquid tank 11, and the telescopic piece 62 is an air cylinder; one end of the expansion member 62 is hinged to the outer wall of the coolant tank 11, and the other end of the expansion member 62 is hinged to the lower surface of the rotation plate 61.
Referring to fig. 4, 5 and 6, the upper surface of the froth scraping plate 2 near one end of the froth collecting box 12 is provided with a connecting groove 24, one end of the rotating plate 61 near the froth scraping plate 2 is positioned in the connecting groove 24, and the upper surface of the froth scraping plate 2 and the upper surface of the rotating plate 61 are coplanar; the lower surface of the rotating plate 61 is vertically and fixedly provided with a connecting column 611, the bottom wall of the connecting groove 24 is vertically provided with a connecting hole 23, and the connecting column 611 is glidingly connected in the connecting hole 23; the connecting hole 23 is internally provided with a fixing component 7 for detachably fixing the connecting column 611 in the connecting hole 23; a more secure auxiliary assembly 8 is provided in the connection hole 23 for securing the connection post 611 in the connection hole 23. The top end of the movable column 52 is fixedly connected with a bent rod 521; the curvature center of the bent rod 521 axis is located on the rotation axis of the rotation plate 61; the splice plate 51 also moves along the bent bar 521.
When the foam scraping plate 2 moves to one end close to the foam collecting box 12 in the cooling liquid box 11, the lifting screw 42 passes through the hole 21 and then enters the threaded hole 22, and the lifting screw 42 is in threaded connection with the threaded hole 22; at this time, the bottom end of the foam scraping plate 2 is attached to the inner wall of the cooling liquid tank 11, which is close to the foam collecting tank 12. When the foam scraping plate 2 ascends in the cooling liquid tank 11, the lifting motor 41 is started, the lifting motor 41 drives the lifting screw rod 42 to rotate, the lifting screw rod 42 drives the foam scraping plate 2 to move upwards, the foam scraping plate 2 drives the floating foam to move upwards until one end of the rotating plate 61 is positioned in the connecting groove 24, the foam scraping plate 2 enables the connecting column 611 to be completely inserted into the connecting hole 23, the connecting column 611 is connected in the connecting hole 23 by the fixing component 7, and at the moment, the lifting screw rod 42 and the foam scraping plate 2 are separated; starting the telescopic piece 62 again, wherein the telescopic piece 62 drives the rotating plate 61 to rotate, and the rotating plate 61 drives the foam scraping plate 2 to rotate towards the direction approaching to the foam collecting box 12; when the foam scraping plate 2 moves, the connecting plate 51 is driven to move along the bent rod 521; the foam cleaning device facilitates cleaning the foam in the foam collecting box 12, and improves the efficiency of cleaning the foam in the cooling liquid box 11.
Referring to fig. 5, the fixing components 7 are provided with two groups, and the two groups of fixing components 7 are respectively positioned at two sides of the axis of the connecting column 611; the fixedly connecting assembly 7 comprises a jacking plate 71, an auxiliary plate 72 and a torsion spring 73; one end of the propping plate 71 is rotatably connected to the side wall of the connecting column 611, and the direction of the rotation axis of the propping plate 71 is perpendicular to the direction of the axis of the connecting column 611; the jacking plates 71 of the two groups of the fixedly connected assemblies 7 are symmetrically arranged on two sides of the axis of the connecting column 611 respectively; one end of the abutting plate 71 far from the rotation axis thereof is rotatably connected with one end of the auxiliary plate 72, the rotation axis of the auxiliary plate 72 is parallel to the rotation axis of the abutting plate 71, and the auxiliary plate 72 is positioned on one side of the abutting plate 71 far from the rotation plate 61; the end of the auxiliary plate 72 far away from the jacking plate 71 is hinged with a dovetail block 721; the side wall of the connecting column 611 is provided with a dovetail groove 613, and the length direction of the dovetail groove 613 is parallel to the axis direction of the connecting column 611; the dovetail block 721 slides within the dovetail groove 613; one end of the torsion spring 73 is fixedly connected with the side wall of the jacking plate 71, and the other end of the torsion spring 73 is fixedly connected with the side wall of the connecting column 611.
Referring to fig. 5, two transition grooves 231 are formed in the circumferential inner side wall of the connection hole 23, and the two transition grooves 231 are symmetrically disposed at both sides of the axis of the connection hole 23; the inner wall of each transition groove 231 far from the opening of the transition groove is provided with a fixing groove 232; when the connecting post 611 is located in the connecting hole 23, the tightening plate 71 and the auxiliary plate 72 are located in the fixing groove 232 at the same time, and the torsion spring 73 tightens the tightening plate 71 against the inner wall of the fixing groove 232.
When the connecting column 611 is inserted into the connecting hole 23, the bottom end of the connecting column 611 is inserted into the connecting hole 23, the inner wall of the transition groove 231 presses the auxiliary plate 72, so that the auxiliary plate 72 rotates around the rotation axis of the auxiliary plate 72, the auxiliary plate 72 pushes the dovetail block 721 to slide downwards in the dovetail groove 613, the auxiliary plate 72 drives the tightening plate 71 to rotate towards the direction approaching to the connecting column 611, and the tightening plate 71 enables the torsion spring 73 to be in a compressed state; until the connection post 611 is completely located in the connection hole 23, the tightening plate 71 is rotated in a direction away from the connection post 611 by the resilience of the torsion spring 73 until the tightening plate 71 abuts against the inner wall of the fastening groove 232. When the tightening plate 71 rotates in a direction away from the connection post 611, the tightening plate 71 drives the auxiliary plate 72 to move, and the auxiliary plate 72 drives the dovetail block 721 to vertically move upward in the dovetail groove 613. The effect of fixing the connection post 611 in the connection hole 23 is achieved.
When the connecting column 611 is taken out from the connecting hole 23, the foam scraping plate 2 is moved downwards, and when the foam scraping plate 2 is moved, the inner wall of the fixing groove 232 is pressed against the tightening plate 71, the tightening plate 71 rotates towards the direction close to the connecting column 611, and one end of the tightening plate 71 far away from the rotating axis of the tightening plate 71 pushes the auxiliary plate 72 to move until the tightening plate 71 and the auxiliary plate 72 move out of the connecting hole 23 through the transition groove 231; continuing to move the froth scraping plate 2 downwards until the connecting column 611 is completely moved out of the connecting hole 23; the detachable fixing of the connection post 611 in the connection hole 23 is facilitated.
Referring to fig. 6, the auxiliary components 8 are provided in two groups, and the two groups of auxiliary components 8 are symmetrically arranged at both sides of the axis of the connecting hole 23; the auxiliary assembly 8 comprises a fixed block 81 and a fixed spring 82; two accommodating grooves 233 are formed in the circumferential inner side wall of the connecting hole 23, the two accommodating grooves 233 are symmetrically arranged on two sides of the axis of the connecting hole 23, the fixed springs 82 are positioned in the accommodating grooves 233, and the fixed springs 82 correspond to the accommodating grooves 233 one by one; one end of the fixed spring 82 is fixedly connected with the inner wall of the containing groove 233 far away from the opening of the fixed spring 82, the other end of the fixed spring 82 is fixedly connected with the fixed block 81, and the fixed block 81 slides in the containing groove 233. Two clamping grooves 612 are formed in the side wall of the connecting column 611, and the two clamping grooves 612 are symmetrically arranged on two sides of the axis of the connecting column 611; the clamping grooves 612 and the tightening plates 71 are arranged in a staggered manner. When the connecting column 611 is completely positioned in the connecting hole 23, the clamping groove 612 is communicated with the accommodating groove 233, and the fixing block 81 is inserted into the clamping groove 612 under the action of the resilience force of the fixing spring 82; the end surface of the fixing block 81 inserted into one end of the catching groove 612 is disposed obliquely upward toward the rotating plate 61.
Referring to fig. 6, an unlocking assembly 9 for completely moving the fixing block 81 into the receiving groove 233 is provided in each receiving groove 233; the unlocking assembly 9 comprises a pulling rope 91 and a pulling ring 92; two unlocking holes 234 are formed in the lower surface of the foam scraping plate 2, and the two unlocking holes 234 are respectively communicated with the two containing grooves 233; one end of the pulling rope 91 penetrates through the unlocking hole 234 and is fixedly connected with the fixed block 81, and the other end of the pulling rope 91 is fixedly connected with the pulling ring 92.
When the connection post 611 is inserted into the connection hole 23, the bottom end of the connection post 611 presses one end of the fixing block 81 protruding out of the receiving groove 233 until the fixing block 81 is completely positioned in the receiving groove 233; after the connecting column 611 is completely inserted into the connecting hole 23, the accommodating groove 233 is communicated with the clamping groove 612, and the fixing block 81 is inserted into the clamping groove 612 under the action of the resilience force of the fixing spring 82, so that the efficiency of fixing the connecting column 611 in the connecting hole 23 is improved, and the efficiency of fixing the rotating plate 61 and the foam scraping plate 2 is improved. When the connecting column 611 is moved out of the connecting hole 23, the pulling ring 92 is pulled, and the pulling ring 92 drives the fixing block 81 to slide into the accommodating groove 233 through the pulling rope 91 until the fixing block 81 moves out of the clamping groove 612, and then the connecting column 611 is moved out of the connecting hole 23, so that the efficiency of detaching the rotating plate 61 from the foam scraping plate 2 is improved.
The implementation principle of the embodiment of the application is as follows: when the floating foam in the cooling liquid tank 11 is cleaned, the driving motor 31 is started, the output shaft of the driving motor 31 drives the driving screw 33 to rotate, the driving screw 33 drives the moving plate 35 to move, the moving plate 35 drives the moving column 52 to move, the moving column 52 drives the connecting plate 51 to move, and the connecting plate 51 drives the foam scraping plate 2 to move; when the foam scraping plate 2 moves to one end of the cooling liquid tank 11, which is close to the foam collecting tank 12, the lifting screw 42 enters the threaded hole 22 through the through hole 21, and the lifting screw 42 is in threaded connection with the threaded hole 22.
Closing the driving motor 31, starting the lifting motor 41, driving the lifting screw rod 42 to rotate by the lifting motor 41, driving the foam scraping plate 2 to move upwards by the lifting screw rod 42, and driving the foam floating plate 2 to move upwards; when the foam scraping plate 2 moves up to enable the bottom end of the connecting column 611 to be inserted into the connecting hole 23, the inner wall of the transition groove 231 starts to squeeze the auxiliary plate 72 to enable the auxiliary plate 72 to rotate around the rotation axis of the auxiliary plate 72 to drive the propping plate 71 to rotate towards the direction close to the connecting column 611 until the connecting column 611 is completely located in the connecting hole 23, and the propping plate 71 rotates towards the direction away from the connecting column 611 under the resilience force of the torsion spring 73 until the propping plate 71 abuts against the inner wall of the fixing groove 232. When the connection post 611 is inserted into the connection hole 23, the bottom end of the connection post 611 further presses the fixing block 81 and the fixing block 81 is completely positioned in the receiving groove 233; after the connecting column 611 is completely inserted into the connecting hole 23, the accommodating groove 233 is communicated with the clamping groove 612, and the fixing block 81 is inserted into the clamping groove 612, so that the fixation of the rotating plate 61 and the foam scraping plate 2 is completed.
Starting the telescopic piece 62, wherein the telescopic piece 62 drives the rotating plate 61 to rotate, the rotating plate 61 drives the foam scraping plate 2 to rotate, and the foam scraping plate 2 pours the floating foam on the foam scraping plate 2 into the foam collecting box 12; the effect of cleaning the floating foam in the cooling liquid tank 11 is achieved, and the cleanliness of the cooling liquid in the cooling liquid tank 11 is further improved.
The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. The cooling system for the zinc wire production rolling mill is characterized by comprising a bracket (1), wherein a cooling liquid tank (11) is arranged on the bracket (1), and a foam scraping plate (2) is arranged in the cooling liquid tank (11); the cooling liquid tank (11) is provided with a driving assembly (3) for moving the foam scraping plate (2) from one end of the cooling liquid tank (11) to the other end of the cooling liquid tank (11); one end of the cooling liquid tank (11) is fixedly provided with a foam collecting tank (12); the foam scraping plate (2) is obliquely upwards arranged towards the foam collecting box (12); a lifting assembly (4) for lifting the foam scraping plate (2) in the cooling liquid tank (11) is arranged on the cooling liquid tank (11); the lifting component (4) is arranged close to the foam collecting box (12); the driving assembly (3) comprises a driving motor (31), fixing plates (32), driving screws (33), guide rods (34) and moving plates (35), wherein two fixing plates (32) are arranged, and the two fixing plates (32) are fixedly arranged on the outer wall of the cooling liquid tank (11); two ends of the driving screw rod (33) are respectively and rotatably connected to the two fixed plates (32), two ends of the guide rod (34) are respectively and fixedly arranged on the two fixed plates (32), and the driving screw rod (33) and the guide rod (34) are mutually parallel; the driving screw rod (33) and the guide rod (34) penetrate through the moving plate (35), and the driving screw rod (33) is in threaded connection with the moving plate (35); the driving motor (31) is fixedly arranged on one of the fixing plates (32), and an output shaft of the driving motor (31) is coaxially fixedly connected with one end of the driving screw rod (33); one end of the foam scraping plate (2) is connected with the moving plate (35); one end of the foam scraping plate (2) connected with the moving plate (35) is fixedly connected with a connecting plate (51); a movable column (52) is fixedly arranged on the movable plate (35), a lifting hole (511) is formed in the upper surface of the connecting plate (51), and the movable column (52) penetrates through the lifting hole (511) and is connected in the lifting hole (511) in a sliding manner; the lifting assembly (4) comprises a lifting motor (41) and a lifting screw (42), and the lifting motor (41) is fixedly arranged on the lower surface of the cooling liquid tank (11); one end of a lifting screw (42) is coaxially and fixedly connected with an output shaft of the lifting motor (41), and the other end of the lifting screw (42) penetrates through the bottom wall of the cooling liquid tank (11) and stretches into the cooling liquid tank (11); the upper surface of the foam scraping plate (2) is provided with a through hole (21) and a threaded hole (22), and the through hole (21) is communicated with the threaded hole (22); when the foam scraping plate (2) moves towards the foam collecting box (12), the lifting screw (42) enters the threaded hole (22) through the through hole (21), and the lifting screw (42) is in threaded connection with the threaded hole (22); the cooling liquid tank (11) is connected with a rotating plate (61) near the side wall of the foam collecting tank (12) in a rotating way, a connecting column (611) is fixedly arranged on the lower surface of the rotating plate (61), a connecting hole (23) is formed in the upper surface of the foam scraping plate (2), and the connecting column (611) is connected in the connecting hole (23) in a sliding way; a fixing component (7) for detachably fixing the connecting column (611) in the connecting hole (23) is arranged in the connecting hole (23); the outer wall of cooling liquid tank (11) is equipped with extensible member (62), and the one end of extensible member (62) articulates on the outer wall of cooling liquid tank (11), and the other end of extensible member (62) articulates with the lower surface of rotor plate (61).
2. Cooling system for a zinc line production mill according to claim 1, characterized in that the fastening assembly (7) comprises a tightening plate (71), an auxiliary plate (72), a torsion spring (73); one end of the propping plate (71) is hinged with the side wall of the connecting column (611), the other end of the propping plate (71) is hinged with one end of the auxiliary plate (72), and the other end of the auxiliary plate (72) is slidingly connected with the side wall of the connecting column (611); the auxiliary plate (72) is positioned at one side of the propping plate (71) far away from the rotating plate (61); one end of the torsion spring (73) is fixedly connected with the side wall of the jacking plate (71), and the other end of the torsion spring (73) is fixedly connected with the side wall of the connecting column (611); the inner side wall of the connecting hole (23) is provided with a transition groove (231), and the inner side wall of the transition groove (231) is provided with a fixedly connecting groove (232); when the connecting column (611) is positioned in the connecting hole (23), the propping plate (71) and the auxiliary plate (72) are simultaneously positioned in the fixing groove (232).
3. The cooling system for the zinc wire production rolling mill according to claim 1, wherein a receiving groove (233) is formed in the circumferential inner side wall of the connecting hole (23), and a fixing spring (82) is arranged in the receiving groove (233); one end of the fixed spring (82) is fixedly connected with the inner wall of the accommodating groove (233), the other end of the fixed spring (82) is fixedly connected with the fixed block (81), and the fixed block (81) slides in the accommodating groove (233); the side wall of the connecting column (611) is provided with a clamping groove (612); when the fixing spring (82) is in a natural state, one end of the fixing block (81) extends out of the accommodating groove (233) and is inserted into the clamping groove (612).
4. The cooling system for a zinc wire production rolling mill according to claim 1, wherein a bent rod (521) is fixedly connected to the top end of the movable column (52), and the center of curvature of the axis of the bent rod (521) is located on the rotation axis of the rotation plate (61).
5. The cooling system for the zinc wire production rolling mill according to claim 1, wherein the upper surface of the foam scraping plate (2) is provided with a connecting groove (24), and one end of the rotating plate (61) is positioned in the connecting groove (24); the upper surface of the foam scraping plate (2) is flush with the upper surface of the rotating plate (61).
6. Cooling system for a zinc line production mill according to claim 1, characterized in that the end of the frothing plate (2) remote from the joining plate (51) is provided with a roller (25); a rolling groove (1111) is arranged on the cooling liquid tank (11), and a roller (25) rolls in the rolling groove (1111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210227238.2A CN114425566B (en) | 2022-03-08 | 2022-03-08 | Cooling system for zinc line production rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210227238.2A CN114425566B (en) | 2022-03-08 | 2022-03-08 | Cooling system for zinc line production rolling mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114425566A CN114425566A (en) | 2022-05-03 |
| CN114425566B true CN114425566B (en) | 2024-04-09 |
Family
ID=81312392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210227238.2A Active CN114425566B (en) | 2022-03-08 | 2022-03-08 | Cooling system for zinc line production rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114425566B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT226263B (en) * | 1960-01-30 | 1963-03-11 | Electrolux Ab | Cool box in preferably portable or transportable design |
| FR90993E (en) * | 1966-09-15 | 1968-03-22 | Cem Comp Electro Mec | Liquid filtration plant |
| CN87209398U (en) * | 1987-06-17 | 1988-05-18 | 云南省轻工业科学研究所 | Mechanical foam remover for separating brown sugar impurity |
| CN209596615U (en) * | 2019-01-14 | 2019-11-08 | 天津创投中拓科技有限公司 | The automatic foam-expelling system of biological tank |
| CN209768879U (en) * | 2018-09-28 | 2019-12-13 | 山东鲁润新胜药业有限公司 | Foam extracting device for donkey-hide gelatin production |
| CN113144901A (en) * | 2021-03-24 | 2021-07-23 | 彭碧云 | Membrane separation equipment based on hollow foam material |
| CN215592715U (en) * | 2021-05-18 | 2022-01-21 | 山东环投环境工程有限公司 | Sewage treatment aeration tank convenient to clearance froth |
-
2022
- 2022-03-08 CN CN202210227238.2A patent/CN114425566B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT226263B (en) * | 1960-01-30 | 1963-03-11 | Electrolux Ab | Cool box in preferably portable or transportable design |
| FR90993E (en) * | 1966-09-15 | 1968-03-22 | Cem Comp Electro Mec | Liquid filtration plant |
| CN87209398U (en) * | 1987-06-17 | 1988-05-18 | 云南省轻工业科学研究所 | Mechanical foam remover for separating brown sugar impurity |
| CN209768879U (en) * | 2018-09-28 | 2019-12-13 | 山东鲁润新胜药业有限公司 | Foam extracting device for donkey-hide gelatin production |
| CN209596615U (en) * | 2019-01-14 | 2019-11-08 | 天津创投中拓科技有限公司 | The automatic foam-expelling system of biological tank |
| CN113144901A (en) * | 2021-03-24 | 2021-07-23 | 彭碧云 | Membrane separation equipment based on hollow foam material |
| CN215592715U (en) * | 2021-05-18 | 2022-01-21 | 山东环投环境工程有限公司 | Sewage treatment aeration tank convenient to clearance froth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114425566A (en) | 2022-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114425566B (en) | Cooling system for zinc line production rolling mill | |
| CN208728219U (en) | A kind of Cold-rolled fine seamless steel tube oil removing cleaning device | |
| CN111195978A (en) | Novel pull type internal mold for prefabricated highway concrete plate beam | |
| CN217371667U (en) | Tee bend production is with integrative device of collection of polishing | |
| CN217501059U (en) | Template fixing device for construction | |
| CN216449222U (en) | Building engineering manages and uses concrete sampling device | |
| CN214365002U (en) | Vehicle section column type inspection pit stand concrete placement equipment | |
| CN110146336B (en) | Water sampler for collecting different water depths and water taking method | |
| CN221604693U (en) | Sleeper model cleaning device | |
| CN219474361U (en) | Liquid paraffin separation heat exchange device | |
| CN221398616U (en) | Road repairing device | |
| CN221776664U (en) | Corrosion detection device for normal pressure sulfuric acid storage tank | |
| CN220862691U (en) | Die casting die pull rod structure | |
| CN216044567U (en) | Environment-friendly water pump casting convenient to maintain and install | |
| CN219209638U (en) | Paraffin stirring tank capable of preventing solidification | |
| CN221546401U (en) | Cement pouring device | |
| CN219710890U (en) | Trowelling device for building construction | |
| CN216156480U (en) | Road is kept a public place clean and is used rubbish pickup apparatus | |
| CN216569842U (en) | Labor-saving water squeezing mechanism of water squeezing vehicle | |
| CN217411110U (en) | Clean efficient solid-liquid separation centrifuge | |
| CN221848101U (en) | Chemical container belt cleaning device for chemical production | |
| CN220598107U (en) | Concrete pavement repairing device | |
| CN221008678U (en) | Cable surface dewatering equipment for cable processing production | |
| CN221461742U (en) | Building construction frame | |
| CN219233379U (en) | Clamp for steel pipe full-coverage spray rust removal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |