Cooling system for coiling block of hot rolling coiling machine

Abstract

The utility model relates to the technical field of hot-rolled coil cooling, in particular to a hot-rolled coiling machine coiling block cooling system which is provided with a liftable guide hopper mechanism, can conduct and recycle water during cooling, is convenient to circulate and improves practicability. Comprising a fixed base, a support, a hot-rolling recoiling machine winding drum and a cooling water spraying mechanism, the middle front side of the top end of the fixed base is connected with the bottom end of the support, and the upper portion of the support is connected with the hot-rolling recoiling machine winding drum; the middle of the top end of the fixed base is connected with the bottom end of the rack, the top end of the interior of the rack is connected with the top end of the reciprocating motor, the output end of the reciprocating motor is connected with the bottom end of the threaded rod, and the outer wall of the threaded rod is in threaded connection with the inner wall of the threaded pipe. The left side and the right side of the top end of the guide hopper are connected with the bottom ends of the blocking pieces respectively.

Description

Technical Field

[0001] The utility model relates to the technical field of hot-rolled coil cooling, in particular to a coiler drum cooling system for a hot-rolling coiling machine. Background Technique

[0002] During the production process of hot-rolled steel coils, after the hot-rolled coils are hot-rolled and cooled by laminar flow, the temperature is still as high as 640 - 850 °C. It needs to be air-cooled in the hot coil storage before entering the next process for hot annealing and pickling. The purpose of post-rolling cooling is to prevent the high temperature of the hot-rolled steel coils from having an adverse impact on the production line equipment of subsequent acid rolling.

[0003] For the existing coiler drum of a hot-rolling coiling machine with the Chinese patent publication number CN201091888Y, since a rotary water feeder is sleeved on the tail section of the drum shaft, and the diameter of the rotary water feeder is at least larger than that of the drum shaft, so this is an extra-large-diameter water feeder. A large amount of cooling water is supplied from the rotary water feeder to the cooling water holes in the drum shaft, so that the cooling water passes from the tail section of the drum shaft to the expansion and contraction end at the front of the drum shaft, continuously cooling the segmental plates and the drum shaft from the inside, which has a very positive significance for improving the product quality and production efficiency, and can significantly extend the service life of the drum.

[0004] However, the water recovery of this device is inconvenient and its practicability is poor. Content of the Utility Model

[0005] (1) Technical Problem to be Solved

[0006] Aiming at the deficiencies of the prior art, the utility model provides a coiler drum cooling system for a hot-rolling coiling machine, which is provided with a liftable guide hopper mechanism, can conduct and recover water during cooling, is convenient for circulation, and improves practicability.

[0007] (2) Technical Solution

[0008] To achieve the above object, the present utility model provides the following technical solutions: A hot rolling coiler drum cooling system, including a fixed base, a bracket, a hot rolling coiler drum, and a cooling water spraying mechanism. The front side of the middle part of the top end of the fixed base is connected to the bottom end of the bracket. The upper part of the bracket is connected with the hot rolling coiler drum. A cooling water spraying mechanism is further arranged above the hot rolling coiler drum inside the bracket. It also includes a guiding hopper, a baffle, a drain head, a frame, a reciprocating motor, a threaded rod, a threaded pipe, a constraint rail, and a constraint sliding sleeve. The middle part of the top end of the fixed base is connected to the bottom end of the frame. The top end of the inside of the frame is connected to the top end of the reciprocating motor. The output end of the reciprocating motor is connected to the bottom end of the threaded rod. The outer wall of the threaded rod is screwed and connected with the inner wall of the threaded pipe. The top end of the threaded pipe is connected to the middle part of the bottom end of the guiding hopper. The middle parts of the left and right sides of the guiding hopper are respectively connected to the inner sides of a group of constraint sliding sleeves. The middle parts of the left and right sides of the top end of the fixed base are respectively connected to the bottom ends of a group of constraint rails. The outer wall of the constraint rail is slidably connected with the inner wall of the same-side constraint sliding sleeve. The left and right sides of the top end of the guiding hopper are respectively connected to the bottom ends of a group of baffles. The bottom end of the guiding hopper is communicated with the top end of the drain head.

[0009] Preferably, it further includes a threaded groove, an outer baffle, and a fixing bolt. A plurality of groups of threaded grooves are arranged on the front and rear sides of the frame. A plurality of groups of fixing bolts are correspondingly and movably arranged on the inner side of the outer baffle. The fixing bolts are detachably screwed in the threaded grooves.

[0010] Preferably, it further includes a limiting piece. The top ends of each group of constraint rails are respectively connected to the middle part of the bottom end of a group of limiting pieces.

[0011] Preferably, it further includes an oil injection nozzle. The middle parts of the outer sides of each group of constraint sliding sleeves are respectively communicated with the inner sides of a group of oil injection nozzles.

[0012] Preferably, it further includes an oil injection cap. The outer side of the oil injection nozzle is detachably installed with the inner side of the oil injection cap.

[0013] Preferably, it further includes a brush. A group of brushes are respectively arranged in the upper and lower inner parts of each group of constraint sliding sleeves.

[0014] (III) Advantageous effects

[0015] Compared with the prior art, the present utility model provides a hot rolling coiler drum cooling system, which has the following beneficial effects:

[0016] Fixed by a fixed base and supported by a bracket, the hot-rolled coiler reel is used to assist in the processing of hot-rolled steel coils. At this time, the guide hopper is in a low position. When cooling is required, the reciprocating motor runs under the connection of the frame, causing the threaded rod to rotate. The threaded rod is screwed and fitted with the threaded pipe, and the two-sided restraint sliding sleeves slide and restrain outside the restraint rail, causing the guide hopper to move vertically upward until the two sets of baffles block both sides of the hot-rolled coiler reel. The reciprocating motor stops operating, and the height of the guide hopper is fixed through the self-locking of the threaded rod and the threaded pipe. The cooling water spraying mechanism acts to spray water for cooling, and the cooling water can be blocked by the two sets of baffles, conducted by the guide hopper, and discharged through the drain head. A liftable guide hopper mechanism is provided, which can conduct and recycle water during cooling, facilitating circulation and improving practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an axonometric view of the structural schematic diagram of the present utility model;

[0018] Figure 2 For the present utility model Figure 1 Rear view;

[0019] Figure 3 For the present utility model Figure 1 Left view;

[0020] Figure 4 For the present utility model Figure 1 Top view.

[0021] Reference numerals in the drawings: 1, fixed base; 2, bracket; 3, hot-rolled coiler reel; 4, cooling water spraying mechanism; 5, guide hopper; 6, baffle; 7, drain head; 8, frame; 9, reciprocating motor; 10, threaded rod; 11, threaded pipe; 12, restraint rail; 13, restraint sliding sleeve; 14, thread groove; 15, outer baffle; 16, fixing bolt; 17, limit piece; 18, grease nipple; 19, grease cap; 20, brush. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Embodiment

[0024] Please refer to Figures 1-4, A hot rolling coiler drum cooling system, comprising a fixed base 1, a bracket 2, a hot rolling coiler drum 3, and a cooling water spraying mechanism 4. The front middle side of the top end of the fixed base 1 is connected to the bottom end of the bracket 2. The upper part of the bracket 2 is connected with the hot rolling coiler drum 3. A cooling water spraying mechanism 4 is further arranged above the hot rolling coiler drum 3 inside the bracket 2. It also includes a guiding hopper 5, a baffle 6, a drainage head 7, a frame 8, a reciprocating motor 9, a threaded rod 10, a threaded tube 11, a restraining rail 12, and a restraining sliding sleeve 13. The middle part of the top end of the fixed base 1 is connected to the bottom end of the frame 8. The top end of the inner part of the frame 8 is connected to the top end of the reciprocating motor 9. The output end of the reciprocating motor 9 is connected to the bottom end of the threaded rod 10. The outer wall of the threaded rod 10 is screwed and connected with the inner wall of the threaded tube 11. The top end of the threaded tube 11 is connected to the middle part of the bottom end of the guiding hopper 5. The middle parts of the left and right sides of the guiding hopper 5 are respectively connected to the inner sides of a group of restraining sliding sleeves 13. The middle parts of the left and right sides of the top end of the fixed base 1 are respectively connected to the bottom ends of a group of restraining rails 12. The outer wall of the restraining rail 12 is slidably connected with the inner wall of the same-side restraining sliding sleeve 13. The left and right sides of the top end of the guiding hopper 5 are respectively connected to the bottom ends of a group of baffles 6. The bottom end of the guiding hopper 5 is communicated with the top end of the drainage head 7. Fixed by the fixed base 1 and supported by the bracket 2, the hot rolling coiler drum 3 is used to assist in the processing of hot rolled steel coils. At this time, the guiding hopper 5 is in a low position. When cooling is required, the reciprocating motor 9 operates under the connection of the frame 8, causing the threaded rod 10 to rotate. The threaded rod 10 is screwed and matched with the threaded tube 11. The two sides of the restraining sliding sleeves 13 slide and are constrained on the outside of the restraining rails 12, causing the guiding hopper 5 to move vertically upward until the two baffles 6 block both sides of the hot rolling coiler drum 3. The reciprocating motor 9 stops operating. Through the thread self-locking of the threaded rod 10 and the threaded tube 11, the height of the guiding hopper 5 is fixed. The cooling water spraying mechanism 4 sprays water for cooling. The cooling water can be blocked by the two baffles 6, conducted by the guiding hopper 5, and discharged through the drainage head 7.

[0025] It also includes a thread groove 14, an outer baffle 15, and a fixing bolt 16. A plurality of groups of thread grooves 14 are arranged on both the front and rear sides of the frame 8. A plurality of groups of fixing bolts 16 are correspondingly and movably arranged on the inner side of the outer baffle 15. The fixing bolts 16 are detachably screwed in the thread grooves 14. When the two outer baffles 15 are respectively closed on the front and rear sides of the frame 8 and fixed by screwing the fixing bolts 16 through the outer baffles 15 and into the thread grooves 14, the outer baffles 15 are fixed, and the outer baffles 15 and the frame 8 can act to provide external protection for the reciprocating motor 9, improving reliability.

[0026] It also includes a limiting piece 17. The top end of each group of restraining rails 12 is respectively connected to the middle part of the bottom end of a group of limiting pieces 17. The upper side of the restraining rail 12 can be blocked by the limiting piece 17 to prevent the restraining sliding sleeve 13 from sliding out upward on the outside of the restraining rail 12, improving reliability.

[0027] It also includes an oil injection nozzle 18. The middle parts of the outer sides of each group of restraining sliding sleeves 13 are respectively communicated with the inner sides of a group of oil injection nozzles 18. Oil can be injected into the inside of the restraining sliding sleeve 13 through the oil injection nozzle 18, facilitating lubrication and maintenance.

[0028] It further includes an oil filling cap 19, and the outer side of the oil filling nozzle 18 is detachably installed with the inner side of the oil filling cap 19; after the oil filling cap 19 is installed on the outer side of the oil filling nozzle 18, the inside of the oil filling nozzle 18 can be enclosed and protected, improving reliability.

[0029] It further includes a brush 20, and a set of brushes 20 are respectively arranged inside the upper and lower sides of each set of restraint sliding sleeves 13; through the brushes 20, the outer side of the restraint rail 12 can be wiped when the restraint sliding sleeves 13 slide, facilitating the removal of dust, reducing pollution, making the movement smooth, and improving convenience.

[0030] In summary, when a hot rolling coiler drum cooling system is in use, it is fixed by the fixed base 1 and supported by the bracket 2, and the hot rolling coiler drum 3 is used to assist in the processing of hot rolled steel coils. At this time, the guide hopper 5 is in the low position. When cooling is required, the reciprocating motor 9 runs under the connection of the frame 8, causing the threaded rod 10 to rotate. The threaded rod 10 is screwed with the threaded pipe 11, and the restraint sliding sleeves 13 on both sides slide and are constrained on the outer side of the restraint rail 12, causing the guide hopper 5 to move vertically upward. The upper side of the restraint rail 12 can be blocked by the limit piece 17 to prevent the restraint sliding sleeves 13 from sliding out upward on the outer side of the restraint rail 12 until the two sets of retaining pieces 6 block both sides of the hot rolling coiler drum 3. The reciprocating motor 9 stops operating, and through the screw self-locking of the threaded rod 10 and the threaded pipe 11, the height of the guide hopper 5 is fixed. The cooling water spraying mechanism 4 sprays water for cooling, and the cooling water can be blocked by the two sets of retaining pieces 6, conducted by the guide hopper 5, and discharged through the drain head 7. In addition, when the two sets of outer baffles 15 are respectively closed on the front and rear sides of the frame 8 and fixed by the fixing bolts 16 passing through the outer baffles 15 and screwed into the threaded grooves 14, the outer baffles 15 are fixed, and an external protection for the reciprocating motor 9 can be formed by the cooperation of the outer baffles 15 and the frame 8. The inside of the restraint sliding sleeves 13 can be filled with oil through the oil filling nozzles 18, which is convenient for lubrication and maintenance. After the oil filling cap 19 is installed on the outer side of the oil filling nozzles 18, the inside of the oil filling nozzles 18 can be enclosed and protected. The outer side of the restraint rail 12 can be wiped by the brushes 20 when the restraint sliding sleeves 13 slide, facilitating the removal of dust, reducing pollution, making the movement smooth, and improving convenience.

[0031] The hot rolling coiler drum 3, the cooling water spraying mechanism 4, and the reciprocating motor 9 are well-known devices in the art that can be directly purchased on the market. Here, we only use them and do not make improvements to their structures and functions. Therefore, we will not elaborate on them in detail here.

[0032] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hot rolling coiler drum cooling system, comprising a fixed base (1), a bracket (2), a hot rolling coiler drum (3), and a cooling water spraying mechanism (4). The front side of the middle part of the top end of the fixed base (1) is connected to the bottom end of the bracket (2). The upper part of the bracket (2) is connected to the hot rolling coiler drum (3). A cooling water spraying mechanism (4) is further arranged above the hot rolling coiler drum (3) inside the bracket (2). It is characterized in that, The machine also comprises a guide bucket (5), a baffle (6), a drainage head (7), a frame (8), a reciprocating motor (9), a threaded rod (10), a threaded tube (11), a restraining rail (12) and a restraining sleeve (13); the middle of the top end of the fixed base (1) is connected to the bottom end of the frame (8); the top end of the frame (8) is connected to the top end of the reciprocating motor (9); the output end of the reciprocating motor (9) is connected to the bottom end of the threaded rod (10); the outer wall of the threaded rod (10) is threadedly connected to the inner wall of the threaded tube (11). The top of the threaded pipe (11) is connected to the middle of the bottom of the guide bucket (5), the middle of the left and right sides of the guide bucket (5) are respectively connected to the inner side of a group of constraint sliding sleeves (13), the middle of the left and right sides of the top of the fixed base (1) are respectively connected to the bottom of a group of constraint rails (12), the outer wall of the constraint rail (12) is slidably connected to the inner wall of the constraint sliding sleeve (13) on the same side, the left and right sides of the top of the guide bucket (5) are respectively connected to the bottom of a group of baffles (6), and the bottom of the guide bucket (5) is connected to the top of the drainage head (7).

2. The hot rolling coiler drum cooling system according to claim 1, wherein: It also comprises a thread groove (14), an outer baffle plate (15) and fixing bolts (16); the front and rear sides of the frame (8) are both provided with a plurality of sets of thread grooves (14); the inner side of the outer baffle plate (15) is correspondingly and movably provided with a plurality of sets of fixing bolts (16); the fixing bolts (16) are detachably screwed in the thread groove (14).

3. The coiler drum cooling system of a hot rolling coiler according to claim 1, wherein: It also includes a limiting plate (17), and the top of each group of the constraint rails (12) is respectively connected to the middle of the bottom end of a group of limiting plates (17).

4. A coiler drum cooling system for a hot rolling mill according to claim 1, characterized in that: It also includes an oiling nozzle (18), and the middle part of the outer side of each group of the constraint sleeves (13) is respectively connected to the inner side of a group of oiling nozzles (18).

5. The coiler drum cooling system of a hot rolling coiler according to claim 4, characterized in that: It also comprises an oil filling cap (19), and the outer side of the oil filling nozzle (18) and the inner side of the oil filling cap (19) are detachably mounted.

6. The coiler drum cooling system of a hot rolling coiler according to claim 1, characterized in that: It also includes a brush (20), and each group of the constraint sleeves (13) is provided with a group of brushes (20) inside the upper and lower sides respectively.

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