CN118636356A

CN118636356A - Cooling roller

Info

Publication number: CN118636356A
Application number: CN202411095010.8A
Authority: CN
Inventors: 王玉红; 黄允欢; 王光明; 满成河
Original assignee: Shandong Daxing Roller Shaft Manufacturing Co ltd
Current assignee: Shandong Daxing Roller Shaft Manufacturing Co ltd
Priority date: 2024-08-12
Filing date: 2024-08-12
Publication date: 2024-09-13
Anticipated expiration: 2044-08-12

Abstract

The application provides a cooling roller, which comprises a frame, wherein a rotating roller is rotatably arranged in the frame, a guide piece is arranged in the rotating roller, the guide piece is cylindrical and is coaxially arranged with the rotating roller, a suction pump is arranged on the frame, a liquid inlet pipe of the suction pump is communicated with a cooling medium, a liquid outlet end of the suction pump is communicated with the liquid inlet pipe, the liquid inlet pipe extends into the rotating roller and is fixedly connected with the guide piece, the liquid inlet pipe is rotatably arranged on the rotating roller, a liquid outlet pipe is fixedly arranged on the frame, one end of the liquid outlet pipe is communicated with the rotating roller and is rotatably arranged on the rotating roller, a driving mechanism for driving the rotating roller to rotate is arranged on the frame, and the driving mechanism is connected with the rotating roller; the cooling liquid flows between the rotating roller and the guide piece, the flow path of the cooling liquid is an annular flow channel, the distance between the cooling liquid in the annular flow channel and the rotating roller is relatively short, the cooling liquid in the annular flow channel can fully absorb heat on the rotating roller, the heat absorption rate and the utilization rate of the cooling liquid are improved, and the waste of the cooling liquid is reduced.

Description

Cooling roller

Technical Field

The invention relates to the technical field of cooling devices, in particular to a cooling roller.

Background

A cooling roll is an apparatus widely used in various industrial fields, and the cooling roll circulates by cooling water or other cooling medium into the inside thereof to cool a material passing over the surface thereof. The cooling roller plays an irreplaceable role in a plurality of fields such as calendaring films, adhesive tape coatings, steel smelting, plastic processing, electric power industry, chemical industry, textile industry and the like. For example, a chill roll of application number CN201710757528.7 among the prior art specifically discloses including the deflector roll, the inside of deflector roll is equipped with the cavity, and the one end of deflector roll is connected with first flange, and the other end of deflector roll is connected with the second flange, fixedly on the first flange be provided with first bearing, fixedly on the second flange be provided with the second bearing, be equipped with a plurality of annular cooling tubes in proper order in the cavity, cooling tube and deflector roll coaxial line, the outer wall of cooling tube and the inseparable laminating of inner wall of deflector roll are equipped with water inlet and delivery port on the pipe wall of cooling tube, water inlet and delivery port symmetry set up.

When the cooling roller works, the outer wall of the cooling roller is in contact with a material to be cooled, the cooling roller absorbs heat of the material and heats up, meanwhile, a cooling medium circularly flows in the cooling roller, the cooling medium flows through a cavity in the roller, the cross section of a flow channel of the cooling medium is circular, the cooling medium absorbs heat on the roller and flows out of the roller, so that cooling is completed, a working schematic diagram of the cooling roller can be shown by referring to figure 1, the cross section of the flow channel of the cooling medium is circular, the heat absorption rate of a part of the cooling medium, which is close to the cooling roller, is high, the utilization rate of the cooling medium is high, the part, which is far away from the cooling roller, of the cooling medium, such as a dotted line part in figure 1, is in a long distance from the cooling roller, the heat conduction process needs time, the part of the cooling medium does not fully absorb heat in a period of circulation in the roller, the heat absorption rate of the part is low, the utilization rate of the cooling medium is reduced, and the waste phenomenon exists in the cooling medium. We have therefore made improvements to this and have proposed a chill roll.

Disclosure of Invention

The invention provides a cooling roller, which can solve the problem of low utilization rate of cooling medium of the cooling roller in the prior art.

In order to solve the technical problems, the invention provides the following technical scheme:

The utility model provides a chill roll, includes the frame, rotatable the installing of rotating in the frame, the inside water conservancy diversion spare that is provided with of rotating, the water conservancy diversion spare is cylindric and with the coaxial setting of rotating, install the suction pump in the frame, the feed liquor pipe and the coolant medium intercommunication of suction pump, the flowing back end intercommunication of suction pump has the feed liquor pipe, the feed liquor pipe extends to in the rotating and links firmly with the water conservancy diversion spare, the feed liquor pipe is rotatable to be installed on the rotating, a plurality of drain holes have been seted up on the feed liquor pipe, fixed mounting has the fluid-discharge tube in the frame, fluid-discharge tube one end and rotating the roller intercommunication and rotatable mounting are on the rotating, install the valve on the fluid-discharge tube;

The automatic rotary machine is characterized in that a driving mechanism for driving the rotary roller to rotate is arranged on the frame, the driving mechanism is connected with the rotary roller and comprises a gear ring, the gear ring is fixedly arranged on the rotary roller, a first motor is fixedly arranged on the frame, a driving wheel is fixedly arranged on an output shaft of the first motor, and the driving wheel is meshed with the gear ring.

As a preferable technical scheme of the application, one end in the rotary roller is provided with a diversion inclined plane.

According to the technical scheme, the inside of the guide piece is hollow, the inner cavity of the guide piece is communicated with the liquid inlet pipe, one side of the guide piece is provided with an opening, a first sealing piece for sealing the opening is arranged at the opening of the guide piece, a support is fixedly connected in the guide piece, a first spring is fixedly connected to the support, the end part of the first spring is fixedly connected to the first sealing piece, a second sealing piece is arranged in a communication opening between the guide piece and the liquid inlet pipe, the second sealing piece can seal the communication opening between the guide piece and the liquid inlet pipe, a second spring is sleeved on the second sealing piece, and two ends of the second spring are fixedly connected to the second sealing piece and the guide piece respectively.

According to the preferable technical scheme, the support piece is arranged in the frame, the support piece is arranged in a hollow mode, the support piece penetrates through the first sealing piece and the support and extends to the inside of the flow guide piece, the other end of the support piece penetrates through the liquid discharge pipe and is fixedly arranged on the frame, a plurality of mixing mechanisms which are distributed at equal intervals are arranged in the flow guide piece, the mixing mechanisms are used for mixing cooling media in the radial direction of the flow guide piece, and the mixing mechanisms are connected with the support piece.

As a preferable technical scheme of the application, the mixing mechanism comprises a plurality of rotating shafts which are distributed in a circumferential array with respect to the supporting piece 18, wherein the rotating shafts are rotatably arranged on the supporting piece, spiral pieces are fixedly arranged on the rotating shafts, the spiral pieces are positioned in the flow guiding piece and are arranged along the radial direction of the flow guiding piece, first bevel gears are fixedly arranged at the end parts of the rotating shafts, the first bevel gears are positioned in the supporting piece, and second bevel gears are arranged in the supporting piece and are meshed with the plurality of first bevel gears at the same time;

The support piece is internally provided with a central shaft, two ends of the central shaft extend out of the support piece and are rotatably arranged on the support piece, and the second bevel gears are fixedly arranged on the central shaft.

As a preferable technical scheme of the application, a second motor is fixedly arranged on the frame, and a synchronous belt mechanism is arranged between an output shaft of the second motor and the central shaft.

As a preferable technical scheme of the application, a plurality of through holes distributed in a circumferential array are formed in the guide piece, sliding grooves are fixedly arranged on two sides in the through holes, movable blocks are arranged in the through holes, sliding blocks are fixedly arranged on two sides of each movable block, the sliding blocks are respectively arranged in the sliding grooves in a sliding manner, third springs are arranged in the sliding grooves, two ends of each third spring are respectively fixedly connected to the sliding blocks and the inner wall of the sliding groove, the end parts of the movable blocks are in a conical shape, a plurality of electric telescopic rods are fixedly arranged on the second sealing piece, and driving rods are fixedly connected to the output ends of the electric telescopic rods and respectively contact with the movable blocks.

As a preferable technical scheme of the application, the first spring and the second spring are made of shape memory alloy, the end part of the central shaft is provided with a spline, the end part of the second sealing piece is provided with a spline groove, and the side surface of the driving rod is provided with an inclined surface.

In a preferred embodiment of the present application, the support and the central shaft are made of aluminum metal having good thermal conductivity.

As the preferable technical scheme of the application, two spacing strips which are arranged at intervals are fixedly arranged on the stand, the two spacing strips are positioned below the rotating roller, and the surface of the stand is polished at the position between the two spacing strips.

Compared with the prior art, the invention has the beneficial effects that:

In the scheme of the application:

1. the cooling roller has the advantages that the cooling liquid flows between the roller and the guide piece, the flowing path of the cooling liquid is an annular flow channel, the distance between the cooling liquid in the annular flow channel and the roller is relatively short, the cooling liquid in the annular flow channel can fully absorb heat on the roller, the heat absorption rate and the utilization rate of the cooling liquid are improved, and the waste of the cooling liquid is reduced.

2. This kind of chill roll, through with the coolant liquid injection water conservancy diversion spare inside, the coolant liquid between commentaries on classics roller and the water conservancy diversion spare is in the flow in-process, and the inside coolant liquid of water conservancy diversion spare is located the inboard of annular runner, and the coolant liquid in the water conservancy diversion spare is to the coolant liquid that flows between commentaries on classics roller and the water conservancy diversion spare further cooling to reduce the temperature of flowing the coolant liquid, improve the cooling effect of coolant liquid in the annular runner.

3. According to the cooling roller, the plurality of spiral pieces are driven by the second motor, the spiral pieces can push the cooling liquid in the guide piece to flow in the radial direction, so that the mixing of the cooling liquid in the inner side area and the outer side area of the guide piece and the cooling liquid in the central area can be accelerated, the temperature of the cooling liquid in the guide piece is more uniform, and the heat absorption efficiency of the cooling liquid in the guide piece is improved.

Drawings

FIG. 1 is a schematic diagram of the operation of a prior art chill roll;

FIG. 2 is a schematic diagram of the working structure of the cooling roller according to the present application;

FIG. 3 is a schematic view of a cooling roller according to the present application;

FIG. 4 is a front view of a chill roll provided by the present application;

FIG. 5 is an enlarged cross-sectional view of a portion of the structure at the turn of the chill roll provided by the present application;

FIG. 6 is an enlarged schematic view of a portion of the structure of FIG. 5 of a chill roll provided in accordance with the present application;

FIG. 7 is an enlarged schematic view of a portion of a cooling roller according to the present application;

Fig. 8 is a schematic view of the internal structure of a rotating roller of the cooling roller provided by the application;

FIG. 9 is an enlarged cross-sectional view of a portion of the structure at the movable block of the cooling roll provided by the present application;

FIG. 10 is an enlarged schematic view of a portion of a cooling roller according to the present application;

FIG. 11 is a schematic view of the internal structure of a deflector of a cooling roller according to the present application;

FIG. 12 is an enlarged schematic view of a portion of the structure of a second seal of a chill roll provided in accordance with the present application;

FIG. 13 is a cross-sectional view of a chill roll provided by the present application;

FIG. 14 is an enlarged schematic view of the chill roll of FIG. 13, shown at A, provided in accordance with the present application;

fig. 15 is an enlarged schematic view of the cooling roll provided by the present application at B in fig. 13.

The figures indicate:

1. a frame; 2. a rotating roller; 3. a flow guide; 4. a suction pump; 5. a liquid inlet pipe; 6. a liquid outlet hole; 7. a liquid discharge pipe; 8. a valve; 9. a gear ring; 10. a first motor; 11. a driving wheel; 12. a first seal; 13. a bracket; 14. a first spring; 15. a second seal; 16. a second spring; 17. a diversion inclined plane; 18. a support; 19. a rotating shaft; 20. a screw; 21. a first bevel gear; 22. a central shaft; 23. a second bevel gear; 24. a second motor; 25. a synchronous belt mechanism; 26. a through hole; 27. a chute; 28. a movable block; 29. a slide block; 30. a third spring; 31. an electric telescopic rod; 32. a driving rod; 33. spline grooves; 34. and a limit strip.

Detailed Description

In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.

Example 1

Referring to fig. 2-8 and 13-14, a cooling roller comprises a frame 1, a rotating roller 2 is rotatably installed in the frame 1, a guide piece 3 is arranged in the rotating roller 2, the guide piece 3 is cylindrical and is coaxially arranged with the rotating roller 2, a suction pump 4 is installed on the frame 1, a liquid inlet end of the suction pump 4 is communicated with a cooling medium, a liquid outlet end of the suction pump 4 is communicated with a liquid inlet pipe 5, the liquid inlet pipe 5 extends into the rotating roller 2 and is fixedly connected with the guide piece 3, the liquid inlet pipe 5 is rotatably installed on the rotating roller 2, a plurality of liquid outlet holes 6 are formed in the liquid inlet pipe 5, a liquid outlet pipe 7 is fixedly installed on the frame 1, one end of the liquid outlet pipe 7 is communicated with the rotating roller 2 and is rotatably installed on the rotating roller 2, and a valve 8 is installed on the liquid outlet pipe 7; the machine frame 1 is provided with a driving mechanism for driving the rotary roller 2 to rotate, the driving mechanism is connected with the rotary roller 2 and comprises a gear ring 9, the gear ring 9 is fixedly arranged on the rotary roller 2, the machine frame 1 is fixedly provided with a first motor 10, an output shaft of the first motor 10 is fixedly provided with a driving wheel 11, and the driving wheel 11 is meshed with the gear ring 9. The cooling medium cooling device further comprises a container for storing the cooling medium, the liquid discharge pipe 7 discharges the cooling medium into the container, the cooling medium can be used continuously after being cooled in the container for a period of time, the liquid inlet end of the suction pump 4 is communicated with the container, and the cooled cooling medium is pumped into the liquid inlet pipe 5 through the suction pump 4 and is reused.

The material that needs cooling has been placed on the frame 1, roller 2 and material contact, first motor 10 work and drive action wheel 11 and rotate, action wheel 11 drives ring gear 9 and rotates, ring gear 9 and roller 2 synchronous rotation, suction pump 4 is in the coolant liquid pump inlet tube 5 simultaneously, coolant liquid in the inlet tube 5 is discharged by liquid outlet hole 6 and gets into roller 2 inside, the coolant liquid is full of roller 2 inside, afterwards open valve 8 on the fluid-discharge tube 7, the coolant liquid is discharged by fluid-discharge tube 7, suction pump 4 constantly pumps the coolant liquid into inlet tube 5 in, the interior of roller 2 has the coolant liquid, the coolant liquid flows between roller 2 and water conservancy diversion spare 3, the flow path of coolant liquid is the annular runner, thereby cool off the material through roller 2, the coolant liquid takes away the heat on the roller 2 again. The distance between the cooling liquid in the annular flow channel and the rotating roller 2 is relatively close, the cooling liquid in the annular flow channel can fully absorb heat on the rotating roller 2, the heat absorption rate and the utilization rate of the cooling liquid are improved, and the waste of the cooling liquid is reduced.

Example 2

As shown in fig. 11-15, in particular, one end of the inner side of the rotating roller 2 is provided with a diversion slope 17, and when the cooling liquid flows to the diversion slope 17, the cooling liquid flows to the other end of the rotating roller 2 under the diversion of the diversion slope 17, and the diversion slope 17 is provided to enable the cooling liquid to flow more smoothly, so as to inhibit the backflow phenomenon of the cooling liquid.

The inside cavity setting of water conservancy diversion spare 3, water conservancy diversion spare 3 inner chamber and feed liquor pipe 5 intercommunication, water conservancy diversion spare 3 one side opening setting, water conservancy diversion spare 3 opening part is equipped with and is used for shutoff open-ended first sealing member 12, water conservancy diversion spare 3 internal fixation has linked firmly support 13, first spring 14 has been linked firmly on the support 13, first spring 14 tip links firmly on first sealing member 12, be equipped with second sealing member 15 in the intercommunication mouth of water conservancy diversion spare 3 and feed liquor pipe 5, second sealing member 15 can seal the intercommunication mouth of water conservancy diversion spare 3 and feed liquor pipe 5, the cover is equipped with second spring 16 on the second sealing member 15, second spring 16 both ends link firmly respectively on second sealing member 15 and water conservancy diversion spare 3.

When the cooling liquid is injected into the rotary roller 2, the valve 8 is in a closed state, the space between the rotary roller 2 and the guide piece 3 is filled with the cooling liquid, then the injection is continued, the hydraulic pressure outside the guide piece 3 is increased, the first sealing piece 12 is pushed to move by the hydraulic pressure and the first spring 14 is contracted, the second sealing piece 15 is pushed to move and the second spring 16 is stretched, the opening of the guide piece 3 is opened, the communication port between the guide piece 3 and the liquid inlet pipe 5 is opened, the cooling liquid is injected into the guide piece 3 and filled with the cooling liquid, the valve 8 is opened, the liquid discharge pipe 7 is communicated with the outside, the cooling liquid between the rotary roller 2 and the guide piece 3 is discharged by the liquid discharge pipe 7 and flows, the hydraulic pressure between the rotary roller 2 and the guide piece 3 is restored to be normal, the elastic force of the first spring 14 drives the first sealing piece 12 to reset, the elastic force of the second spring 16 drives the second sealing piece 15 to reset, the opening of the guide piece 3, the communication port between the guide piece 3 and the liquid inlet pipe 5 is sealed, the cooling liquid inside the guide piece 3 is filled with the cooling liquid in the flowing process, the cooling liquid inside the guide piece 3 is filled with the cooling liquid in the annular flow passage, the cooling liquid in the annular flow passage 3 is cooled down, the cooling liquid in the annular flow passage is cooled down effect is further cooled down, and the cooling liquid in the annular flow passage is cooled down.

Wherein, be provided with support piece 18 in the frame 1, support piece 18 inside cavity setting, support piece 18 runs through first sealing member 12 and support 13 and extends to the water conservancy diversion spare 3 inside, and the support piece 18 other end runs through fluid-discharge tube 7 and fixed mounting is on frame 1, is provided with a plurality of equidistance in the water conservancy diversion spare 3 and distributes mixing mechanism, and mixing mechanism is used for mixing the cooling medium in the radial of water conservancy diversion spare 3, and mixing mechanism links to each other with support piece 18. The mixing mechanism comprises a plurality of rotating shafts 19 (shown in fig. 15) which are distributed in a circumferential array with respect to the supporting piece 18, wherein the rotating shafts 19 are rotatably arranged on the supporting piece 18, spiral pieces 20 are fixedly arranged on the rotating shafts 19, the spiral pieces 20 are positioned in the flow guiding piece 3 and are arranged along the radial direction of the flow guiding piece 3, first bevel gears 21 are fixedly arranged at the end parts of the rotating shafts 19, the first bevel gears 21 are positioned in the supporting piece 18, second bevel gears 23 are arranged in the supporting piece 18, and the second bevel gears 23 are meshed with the plurality of first bevel gears 21 at the same time; a central shaft 22 is arranged in the support member 18, two ends of the central shaft 22 extend out of the support member 18 and are rotatably mounted on the support member 18, and a second bevel gear 23 is fixedly mounted on the central shaft 22. A second motor 24 is fixedly arranged on the frame 1, and a synchronous belt mechanism 25 is arranged between an output shaft of the second motor 24 and the central shaft 22.

The cooling liquid in the guide piece 3 absorbs heat in the cooling liquid between the rotating roller 2 and the guide piece 3, the temperature of the outer side area of the cooling liquid in the guide piece 3 rises rapidly, the temperature of the central area of the cooling liquid in the guide piece 3 rises slowly, the temperature of the cooling liquid in the guide piece 3 is uneven, and the heat absorption efficiency of the cooling liquid in the guide piece 3 is reduced.

Therefore, the second motor 24 works and drives the central shaft 22 to rotate through the synchronous belt mechanism 25, the plurality of second bevel gears 23 on the central shaft 22 rotate, the second bevel gears 23 drive the plurality of first bevel gears 21 to synchronously rotate, the first bevel gears 21, the rotating shafts 19 and the spiral pieces 20 synchronously rotate, the spiral pieces 20 can push cooling liquid in the guide piece 3 to radially flow, the plurality of spiral pieces 20 synchronously rotate, the mixing of the cooling liquid in an outer area and the cooling liquid in a central area is accelerated, the temperature of the cooling liquid in the guide piece 3 is more uniform, and the heat absorption efficiency of the cooling liquid in the guide piece 3 is improved.

Example 3

For further optimization of the cooling roller provided in embodiment 2, specifically, as shown in fig. 7-15, a plurality of through holes 26 distributed in a circumferential array are formed in the flow guiding member 3, sliding grooves 27 are fixedly mounted on two sides in the through holes 26, movable blocks 28 are arranged in the through holes 26, sliding blocks 29 are fixedly mounted on two sides of each movable block 28, the sliding blocks 29 are respectively arranged in the sliding grooves 27 in a sliding manner, third springs 30 are arranged in the sliding grooves 27, two ends of each third spring 30 are respectively fixedly connected to the inner walls of the sliding blocks 29 and the sliding grooves 27, the end parts of the movable blocks 28 are in a pointed cone shape, a plurality of electric telescopic rods 31 are fixedly mounted on the second sealing member 15, driving rods 32 are fixedly connected to the output ends of the electric telescopic rods 31, and the end parts of the driving rods 32 are respectively contacted with the movable blocks 28. The first spring 14 and the second spring 16 are made of shape memory alloy, a spline is arranged at the end part of the central shaft 22, a spline groove 33 is arranged at the end part of the second sealing element 15, and the side surface of the driving rod 32 is provided with an inclined surface.

In the cooling process, the inner wall of the rotary roller 2 is heated, the temperature of the cooling liquid near the inner wall of the rotary roller 2 is highest, and when the cooling liquid is water, calcium ions, magnesium ions and bicarbonate ions in the water can be combined with carbonate ions in hot water to form calcium magnesium carbonate. These salts will deposit on the inner wall of the rotating roller 2, forming what is known as scale. The crystallization process of salt can be accelerated at high temperature, the higher the temperature is, the faster the crystallization speed is, the crystallization phenomenon near the inner wall of the rotary roller 2 is most obvious, thick scale can be formed on the inner wall of the rotary roller 2 for a long time, and the heat conduction performance of the rotary roller 2 is weakened.

When the rotary roller 2 rotates, the driving rod 32 is driven to move towards the movable block 28 through the electric telescopic rod 31, the driving rod 32 pushes the movable block 28 to move along the chute 27, the third spring 30 is stretched, the pointed cone end of the movable block 28 is contacted with the inner wall of the rotary roller 2, the movable block 28 can scrape off scale attached to the inner wall of the rotary roller 2, meanwhile, the movable block 28 moves into a cavity between the rotary roller 2 and the guide piece 3, the size of the cavity between the rotary roller 2 and the guide piece 3 is compressed, and when the water pressure provided by the suction pump 4 is unchanged, the flow speed of water flow between the rotary roller 2 and the guide piece 3 can be increased, so that the scale on the inner wall of the rotary roller 2 is matched and washed by increasing the water flow speed.

When the water temperature inside the guide piece 3 is higher and effective cooling cannot be completed, the first spring 14 and the second spring 16 are heated and stretched and deform, the first spring 14 stretches and drives the first sealing piece 12 to be separated from the opening of the guide piece 3, the second spring 16 stretches and drives the second sealing piece 15 to be separated from the communication port between the guide piece 3 and the liquid inlet pipe 5, meanwhile, the second sealing piece 15 moves to the central shaft 22, one end of the central shaft 22 is inserted into the spline groove 33, meanwhile, the electric telescopic rod 31 drives the driving rod 32 to be far away from the movable block 28 and separate from the movable block 28, the third spring 30 is reset, the elastic force of the third spring 30 drives the movable block 28 to move towards the center direction of the guide piece 3, a gap exists between the movable block 28 and the through hole 26 in a normal state, and the through hole 26 is in an open state.

The second motor 24 drives the central shaft 22 to rotate, the central shaft 22 can drive the second sealing element 15 to rotate, the driving rod 32 synchronously rotates along with the second sealing element 15, the inclined surface on the driving rod 32 can push the cooling liquid in the guide element 3 to flow towards the opening of the guide element 3, the high-temperature cooling liquid in the guide element 3 can be accelerated to be discharged, the high-temperature cooling liquid in the guide element 3 can also be discharged from the through hole 26, the high-temperature cooling liquid in the guide element 3 is rapidly discharged, meanwhile, the communication hole between the guide element 3 and the liquid inlet pipe 5 is opened, the low-temperature cooling liquid guided by the liquid inlet pipe 5 can enter the guide element 3, so that the low-temperature cooling liquid in the guide element 3 can be reloaded into and continue to be cooled, and finally, the electric telescopic rod 31 drives the driving rod 32 to move, and the driving rod 32 pushes the movable block 28 to move, so that the through hole 26 is blocked by the movable block 28, and the low-temperature cooling liquid in the guide element 3 cannot flow out. The low-temperature cooling liquid is reloaded into the guide piece 3, the first spring 14 and the second spring 16 are restored to be original, and the opening of the guide piece 3 and the communication port between the guide piece 3 and the liquid inlet pipe 5 are restored to be in a blocking state. Therefore, the cooling liquid in the guide piece 3 can continuously perform cooling work and the utilization efficiency is high.

The support 18 and the central shaft 22 are made of aluminum metal with good thermal conductivity, the support 18 and the central shaft 22 extend to the outside, and the support 18 and the central shaft 22 absorb heat of the cooling liquid and radiate heat, so that the heat radiation efficiency of the device can be improved. The frame 1 is last fixed mounting has two spacing 34 that the interval set up, and two spacing 34 are located the roller 2 below, and frame 1 surface just is located the position polishing between two spacing 34 and handles, and the material is placed between two spacing 34, and spacing 34 can be spacing the side of material, avoids the material to take place the sideslip, and frame 1 surface polishing handles and makes the material remove more smooth and easy.

General principle of operation: the frame 1 is provided with a material to be cooled, the rotating roller 2 is in contact with the material, the first motor 10 works and drives the driving wheel 11 to rotate, the driving wheel 11 drives the gear ring 9 to rotate, the gear ring 9 and the rotating roller 2 synchronously rotate, meanwhile, the suction pump 4 pumps cooling medium in the container into the liquid inlet pipe 5, cooling liquid in the liquid inlet pipe 5 is discharged from the liquid outlet hole 6 and enters the interior of the rotating roller 2, the cooling liquid is filled in the rotating roller 2, then the cooling liquid is continuously injected, the hydraulic pressure outside the guide piece 3 is increased, the first sealing piece 12 is hydraulically pushed to move and the first spring 14 is contracted, meanwhile, the second sealing piece 15 is pushed to move and the second spring 16 is stretched, the opening of the guide piece 3 is opened, the communicating port of the guide piece 3 and the liquid inlet pipe 5 is opened, the cooling liquid is injected into the interior of the guide piece 3 and filled up, then the valve 8 is opened, the liquid outlet pipe 7 is communicated with the outside, the cooling liquid between the rotating roller 2 and the guide piece 3 is discharged from the liquid outlet pipe 7 and flows, the cooling medium is discharged into the container and stored, the cooling medium can be continuously used after the cooling medium is cooled in the container for a period of time, and the cooling medium is cooled in the container, the opening is cooled, the cooling medium is repeatedly used by the pump 4, and the liquid is repeatedly used in the liquid inlet pipe 5.

After the valve 8 is opened, the liquid discharge pipe 7 is communicated with the outside, after the hydraulic pressure between the rotating roller 2 and the guide piece 3 is restored to be normal, the elastic force of the first spring 14 drives the first sealing piece 12 to reset, the elastic force of the second spring 16 drives the second sealing piece 15to reset, the opening of the guide piece 3 and the communicating opening of the guide piece 3 and the liquid inlet pipe 5 are plugged, the cooling liquid between the rotating roller 2 and the guide piece 3 is in the flowing process, the cooling liquid in the guide piece 3 is at the inner side of the annular flow channel, and the cooling liquid in the guide piece 3 is further cooled down to the cooling liquid flowing between the rotating roller 2 and the guide piece 3. The suction pump 4 continuously pumps the cooling liquid into the liquid inlet pipe 5, the cooling liquid flows in the rotary roller 2, and the cooling liquid flows between the rotary roller 2 and the flow guide piece 3, so that the material is cooled through the rotary roller 2, and the cooling liquid takes away the heat on the rotary roller 2.

In the cooling process, the second motor 24 works and drives the central shaft 22 to rotate through the synchronous belt mechanism 25, a plurality of second bevel gears 23 on the central shaft 22 rotate, the second bevel gears 23 drive a plurality of first bevel gears 21 to synchronously rotate, the first bevel gears 21, the rotating shafts 19 and the spiral pieces 20 synchronously rotate, the spiral pieces 20 can push cooling liquid in the guide pieces 3 to radially flow, the plurality of spiral pieces 20 synchronously rotate, the mixing of the cooling liquid in the outer area and the cooling liquid in the central area is accelerated, the temperature of the cooling liquid in the guide pieces 3 is more uniform, and the heat absorption efficiency of the cooling liquid in the guide pieces 3 is improved.

The electric telescopic rod 31 is started regularly, the electric telescopic rod 31 drives the driving rod 32 to move towards the movable block 28, the driving rod 32 pushes the movable block 28 to move along the chute 27, the third spring 30 is stretched, the pointed cone end of the movable block 28 is in contact with the inner wall of the rotary roller 2, the movable block 28 can scrape off scale attached to the inner wall of the rotary roller 2, meanwhile, the movable block 28 moves into a cavity between the rotary roller 2 and the guide piece 3, the size of the cavity between the rotary roller 2 and the guide piece 3 is compressed, when the water pressure provided by the suction pump 4 is unchanged, the flow speed of water flow between the rotary roller 2 and the guide piece 3 can be increased, and accordingly the scale on the inner wall of the rotary roller 2 is matched and washed by increasing the water flow speed.

After cooling is carried out for a period of time, when the water temperature in the guide piece 3 is higher and effective cooling cannot be completed, the first spring 14 and the second spring 16 are heated and stretched and deform, the first spring 14 stretches and drives the first sealing piece 12 to be separated from the opening of the guide piece 3, the second spring 16 stretches and drives the second sealing piece 15 to be separated from the communication port between the guide piece 3 and the liquid inlet pipe 5, meanwhile, the second sealing piece 15 moves to the central shaft 22, one end of the central shaft 22 is inserted into the spline groove 33, meanwhile, the electric telescopic rod 31 drives the driving rod 32 to be far away from the movable block 28 and separate from the movable block 28, the third spring 30 is reset, the elastic force of the third spring 30 drives the movable block 28 to move towards the center direction of the guide piece 3, a gap exists between the movable block 28 and the through hole 26 in a normal state of the third spring 30, and the through hole 26 is in an open state.

The second motor 24 drives the central shaft 22 to rotate, the central shaft 22 can drive the second sealing element 15 to rotate, the driving rod 32 synchronously rotates along with the second sealing element 15, the inclined surface on the driving rod 32 can push the cooling liquid in the guide element 3 to flow towards the opening of the guide element 3, the high-temperature cooling liquid in the guide element 3 can be accelerated to be discharged, the high-temperature cooling liquid in the guide element 3 can also be discharged from the through hole 26, the high-temperature cooling liquid in the guide element 3 is rapidly discharged, meanwhile, the communication hole between the guide element 3 and the liquid inlet pipe 5 is opened, the low-temperature cooling liquid guided by the liquid inlet pipe 5 can enter the guide element 3, so that the low-temperature cooling liquid in the guide element 3 can be reloaded into and continue to be cooled, and finally, the electric telescopic rod 31 drives the driving rod 32 to move, and the driving rod 32 pushes the movable block 28 to move, so that the through hole 26 is blocked by the movable block 28, and the low-temperature cooling liquid in the guide element 3 cannot flow out. The low-temperature cooling liquid is reloaded into the guide piece 3, the first spring 14 and the second spring 16 are restored to be original, and the opening of the guide piece 3 and the communication port between the guide piece 3 and the liquid inlet pipe 5 are restored to be in a blocking state.

Claims

1. The utility model provides a chill roll, its characterized in that includes frame (1), rotatable roller (2) are installed in frame (1), the inside water conservancy diversion piece (3) that is provided with of roller (2), water conservancy diversion piece (3) are cylindric and with roller (2) coaxial setting, install suction pump (4) on frame (1), the feed liquor pipe and the coolant medium intercommunication of suction pump (4), the flowing back end intercommunication of suction pump (4) has feed liquor pipe (5), feed liquor pipe (5) extend to roller (2) in and link firmly with water conservancy diversion piece (3), feed liquor pipe (5) rotatable mounting is on roller (2), a plurality of liquid outlet holes (6) have been seted up on feed liquor pipe (5), fixed mounting has fluid-discharge tube (7) on frame (1), fluid-discharge tube (7) one end and roller (2) intercommunication and rotatable mounting are on roller (2), install valve (8) on fluid-discharge tube (7).

Be provided with the actuating mechanism who is used for driving roller (2) pivoted on frame (1), actuating mechanism links to each other with roller (2), actuating mechanism includes ring gear (9), ring gear (9) fixed mounting is on roller (2), fixed mounting has first motor (10) on frame (1), fixed mounting has action wheel (11) on the output shaft of first motor (10), action wheel (11) and ring gear (9) meshing.

2. A cooling roll according to claim 1, characterized in that a diversion ramp (17) is provided at one end in the roll (2).

3. The cooling roller according to claim 2, wherein the guide piece (3) is hollow, the inner cavity of the guide piece (3) is communicated with the liquid inlet pipe (5), an opening at one side of the guide piece (3) is provided with a first sealing piece (12) for sealing the opening, a support (13) is fixedly connected in the guide piece (3), a first spring (14) is fixedly connected on the support (13), the end part of the first spring (14) is fixedly connected on the first sealing piece (12), a second sealing piece (15) is arranged in a communication opening between the guide piece (3) and the liquid inlet pipe (5), the second sealing piece (15) can seal the communication opening between the guide piece (3) and the liquid inlet pipe (5), a second spring (16) is sleeved on the second sealing piece (15), and two ends of the second spring (16) are fixedly connected on the second sealing piece (15) and the guide piece (3) respectively.

4. A cooling roller according to claim 3, characterized in that a supporting member (18) is arranged in the frame (1), the supporting member (18) is arranged in a hollow manner, the supporting member (18) penetrates through the first sealing member (12) and the bracket (13) and extends to the inside of the flow guiding member (3), the other end of the supporting member (18) penetrates through the liquid discharging tube (7) and is fixedly arranged on the frame (1), a plurality of equally distributed mixing mechanisms are arranged in the flow guiding member (3) and are used for mixing cooling mediums in the radial direction of the flow guiding member (3), and the mixing mechanisms are connected with the supporting member (18).

5. A cooling roller according to claim 4, characterized in that the mixing mechanism comprises a plurality of rotating shafts (19) distributed in a circumferential array with respect to the supporting member (18), the rotating shafts (19) are rotatably mounted on the supporting member (18), screw members (20) are fixedly mounted on the rotating shafts (19), the screw members (20) are positioned in the guide member (3) and are arranged along the radial direction of the guide member (3), first bevel gears (21) are fixedly mounted at the end parts of the rotating shafts (19), the first bevel gears (21) are positioned in the supporting member (18), second bevel gears (23) are arranged in the supporting member (18), and the second bevel gears (23) are meshed with the plurality of first bevel gears (21) simultaneously;

The support piece (18) is internally provided with a central shaft (22), two ends of the central shaft (22) extend out of the support piece (18) and are rotatably arranged on the support piece (18), and the second bevel gears (23) are fixedly arranged on the central shaft (22).

6. A cooling roller according to claim 5, characterized in that a second motor (24) is fixedly mounted on the frame (1), and a synchronous belt mechanism (25) is mounted between the output shaft of the second motor (24) and the central shaft (22).

7. The cooling roller according to claim 6, wherein a plurality of through holes (26) distributed in a circumferential array are formed in the guide piece (3), sliding grooves (27) are fixedly arranged on two sides in the through holes (26), movable blocks (28) are arranged in the through holes (26), sliding blocks (29) are fixedly arranged on two sides of each movable block (28), the sliding blocks (29) are respectively arranged in the sliding grooves (27) in a sliding manner, third springs (30) are arranged in the sliding grooves (27), two ends of each third spring (30) are respectively fixedly connected to the sliding blocks (29) and the inner walls of the sliding grooves (27), the end portions of the movable blocks (28) are in a conical shape, driving rods (32) are fixedly arranged on the output ends of the second sealing pieces (15), and the end portions of the driving rods (32) are respectively contacted with the movable blocks (28).

8. A cooling roller according to claim 7, characterized in that the first spring (14) and the second spring (16) are made of shape memory alloy, the end of the central shaft (22) is provided with a spline, the end of the second sealing member (15) is provided with a spline groove (33), and the side surface of the driving rod (32) is provided with an inclined surface.

9. A cooling roll according to claim 8, characterized in that the support (18), central shaft (22) are aluminium metal with good thermal conductivity.

10. A cooling roller according to claim 9, characterized in that two spacing strips (34) are fixedly arranged on the frame (1) at intervals, two spacing strips (34) are positioned below the rotating roller (2), and the surface of the frame (1) is positioned between the two spacing strips (34) for polishing.