阅读说明：本技术 一种中间辊热处理用深冷箱 (Intermediate roll is cryogenic box for thermal treatment ) 是由 彭龙生 于 2020-11-19 设计创作，主要内容包括：本发明提供一种中间辊热处理用深冷箱,涉及低温处理设备领域。该中间辊热处理用深冷箱,包括底座,所述底座的内底壁中部两侧均设置有第二滑槽,所述第二滑槽的中部两侧均滑动连接有第一滑块,所述深冷箱本体在密封侧板的一侧外周均固定连接有连接板,所述放置台靠近密封侧板的一侧均固定连接有连接块,所述输出管的中部均设置有阀门,所述罗茨泵的外侧均固定连接有水环泵,所述门板均转动连接在深冷箱本体两外侧的中上部。通过连接板将两个深冷箱本体紧密连接,这样的组合设置,满足了不同尺寸中间辊的深冷加工要求,通过将氮气回收然后压缩至回收罐内的设置,节约了能源降低了成本,值得大力推广。(The invention provides a cryogenic box for intermediate roll heat treatment, and relates to the field of low-temperature treatment equipment. The deep cooling box for the intermediate roll heat treatment comprises a base, wherein second sliding grooves are formed in the two sides of the middle of the inner bottom wall of the base, first sliding blocks are connected to the two sides of the middle of each second sliding groove in a sliding mode, a connecting plate is fixedly connected to the periphery of the deep cooling box body on one side of a sealing side plate, a connecting block is fixedly connected to one side, close to the sealing side plate, of a placing table, a valve is arranged in the middle of an output pipe, a water ring pump is fixedly connected to the outer side of the roots pump, and the door plate is rotatably connected to the middle upper portion of the deep cooling box body on the two outer. Through connecting plate with two cryogenic tank body zonulae occludens, such combination sets up, has satisfied the cryrogenic processing requirement of roller in the middle of the not unidimensional, through retrieve nitrogen gas then compress to the setting in retrieving the jar, has practiced thrift the energy and has reduced the cost, is worth wideling popularize.)

1. The utility model provides an intermediate roll is cryogenic box for heat treatment, includes base (1), its characterized in that: the refrigerator comprises a base (1), wherein second sliding grooves (25) are respectively arranged on two sides of the middle part of the inner bottom wall of the base (1), first sliding blocks (22) are respectively connected to two sides of the middle part of each second sliding groove (25) in a sliding manner, the first sliding blocks (22) are respectively fixedly connected to two sides of the outer bottom wall of a refrigerator body (27), the two refrigerator bodies (27) are totally two, a sealing side plate (8) is respectively connected to the middle part of the inner side of each refrigerator body (27) in a flange manner, a connecting plate (23) is respectively fixedly connected to the periphery of one side of each sealing side plate (8) of each refrigerator body (27), threaded holes are uniformly distributed in each connecting plate (23), a placing table (18) is slidably connected to the middle lower part in each refrigerator body (27), a connecting block (26) is respectively fixedly connected to one side, close to each sealing side plate (8), of each placing table (18, the rear end of the base (1) is fixedly connected with a mounting frame (36), the middle of the top end of the mounting frame (36) is fixedly connected with a liquid nitrogen tank (9), both sides of the top end of the liquid nitrogen tank (9) are fixedly connected with an output pipe (32), the middle of the output pipe (32) is provided with a valve (7), the middle of the inner top wall of the cryogenic box body (27) is fixedly connected with an air cylinder (13), both sides of the middle of the top end of the mounting frame (36) are provided with recovery tanks (34), the outer sides of the recovery tanks (34) are fixedly connected with roots pumps (33) through compression pipes (31), the outer sides of the roots pumps (33) are fixedly connected with water ring pumps (30), the outer sides of the water ring pumps (30) are fixedly connected to the middle upper part of a door plate (17) through recovery pipes (5), and the recovery pipes (5) are communicated with the interior of the cryogenic box body, the door plates (17) are rotatably connected to the middle upper parts of the two outer sides of the cryogenic box body (27).

2. The cryogenic box for intermediate roll heat treatment according to claim 1, characterized in that: the utility model discloses a deep cooling case, including cryogenic box body (27), the equal fixedly connected with second slider (28) in front end and the rear end of cryogenic box body (27) lower part, the equal sliding connection of second slider (28) is in the inside of the both sides of first spout (24), both sides inner wall around first spout (24) all set up in base (1).

3. The cryogenic box for intermediate roll heat treatment according to claim 1, characterized in that: place the equal fixedly connected with rack (16) in both sides around platform (18) upper surface middle part, the top middle part of rack (16) sets up to semi-circular, place the equal fixedly connected with slide rail (3) in both sides of platform (18) lower surface, equal sliding connection has electronic slider (19) on slide rail (3), the lower extreme of electronic slider (19) all rotates the both sides of connecting in backup pad (21) through round pin axle (2), the middle part of backup pad (21) all rotates through pivot (20) to be connected, the lower extreme of backup pad (21) all slides at the interior diapire of deep-freezer body (27).

4. The cryogenic box for intermediate roll heat treatment according to claim 1, characterized in that: the one end that liquid nitrogen container (9) were kept away from in output tube (32) all runs through one side of cryogenic box body (27) roof and extends, the equal fixed connection in the one end of liquid nitrogen deconcentrator (14) of one end that liquid nitrogen container (9) were kept away from in output tube (32), the other end of liquid nitrogen deconcentrator (14) passes through branch (15) fixed connection at one side inner wall of cryogenic box body (27).

5. The cryogenic box for intermediate roll heat treatment according to claim 1, characterized in that: the lower part in the air duct (13) is uniformly distributed with dispersible tablets (6), the dispersible tablets (6) are all distributed in a fan shape, and the top wall of the air duct (13) is uniformly distributed with small holes (35).

6. The cryogenic box for intermediate roll heat treatment according to claim 1, characterized in that: the outer top wall middle part of deep-cooling case body (27) all is through installing support (12) fixedly connected with motor (11), the drive end of motor (11) all runs through the roof and the fixed connection of deep-cooling case body (27) on fan (10), fan (10) all set up the interior middle part in dryer (13) upper end.

7. The cryogenic box for intermediate roll heat treatment according to claim 1, characterized in that: the middle lower part of the door plate (17) is provided with a pressure gauge (4), and the middle part of the recovery pipe (5) is provided with an electromagnetic valve (37).

8. The cryogenic box for intermediate roll heat treatment according to claim 1, characterized in that: the one end that recovery pipe (5) are close to water ring pump (30) all is provided with molecular filter (29), the equal fixed connection of molecular filter (29) is in the both sides of mounting bracket (36) upper surface.

Technical Field

The invention relates to the technical field of low-temperature treatment equipment, in particular to a cryogenic box for intermediate roll heat treatment.

Background

The intermediate roll is one of the core components of the roll squeezer, when the intermediate roll is processed and produced, the intermediate roll needs to be subjected to cryogenic treatment, the equipment used for the cryogenic treatment is a cryogenic box, the cryogenic box can effectively eliminate austenite inside the intermediate roll through the cold treatment of the intermediate roll, the mechanical property and the service life of the intermediate roll are improved, and the intermediate roll can have very stable dimensional stability when being used.

The tradition is given middle roller refrigerated cryogenic box when using, and the interior cavity capacity of general cryogenic box is invariable, and the size surpasss the middle roller of cryogenic box inner chamber capacity and can not carry out cryrogenic, if be equipped with special cryogenic box for the middle roller of equidimension not will cause the waste of equipment resource, and the use degree can not reach the biggest, and the nitrogen gas after the middle roller cryrogenic simultaneously can not effectively collect the retrieval and utilization also can cause the waste of resource.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a cryogenic box for intermediate roll heat treatment, which solves the problems that the cryogenic box cannot adapt to multi-size intermediate rolls and nitrogen resource waste is caused.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a cryogenic box for intermediate roll heat treatment comprises a base, wherein second chutes are arranged on two sides of the middle part of the inner bottom wall of the base, first sliding blocks are connected to two sides of the middle part of each second chute in a sliding manner, the first sliding blocks are fixedly connected to two sides of the outer bottom wall of the cryogenic box body, the number of the cryogenic box bodies is two, a sealing side plate is connected to the middle part of the inner side of the cryogenic box body in a flange manner, a connecting plate is fixedly connected to the periphery of one side of the sealing side plate of the cryogenic box body, threaded holes are uniformly distributed in the connecting plate, a placing table is connected to the middle lower part in the cryogenic box body in a sliding manner, a connecting block is fixedly connected to one side of the placing table close to the sealing side plate, threaded holes are uniformly distributed in the connecting block, a mounting frame is fixedly connected to the rear end of the base, the improved deep cooling box is characterized in that output pipes are fixedly connected to two sides of the top end of the liquid nitrogen tank, valves are arranged in the middle of the output pipes, air cylinders are fixedly connected to the middle of the inner top wall of the deep cooling box body, recovery tanks are arranged on two sides of the middle of the top end of the mounting frame, roots pumps are fixedly connected to the outer sides of the recovery tanks through compression pipes, water ring pumps are fixedly connected to the outer sides of the roots pumps, the outer sides of the water ring pumps are fixedly connected to the middle upper portion of the door plate through the recovery pipes, the recovery pipes are communicated with the interior of the deep cooling box body, and the door plate is rotatably connected to the middle upper portion of the two outer sides.

Preferably, the equal fixedly connected with second slider in front end and the rear end of deep cooling case body lower part, the equal sliding connection of second slider is in the inside of the both sides of first spout, first spout all sets up both sides inner wall around in the base.

Preferably, place the equal fixedly connected with rack in both sides around the platform upper surface middle part, the top middle part of rack sets up to semi-circular, the equal fixedly connected with slide rail in both sides of placing the platform lower surface, equal sliding connection has electronic slider on the slide rail, electronic slider's lower extreme all rotates the both sides of connecting in the backup pad through the round pin axle, the middle part of backup pad all rotates through the pivot to be connected, the lower extreme of backup pad all slides at the interior diapire of deep-cooling box body.

Preferably, the one end that the liquid nitrogen container was kept away from to the output tube all runs through one side of cryogenic box body roof and extends, the equal fixed connection in one end of liquid nitrogen deconcentrator of one end that the liquid nitrogen container was kept away from to the output tube, the other end of liquid nitrogen deconcentrator passes through branch fixed connection at one side inner wall of cryogenic box body.

Preferably, the lower part in the air duct is uniformly distributed with dispersible tablets which are distributed in a fan shape, and the top wall of the air duct is uniformly distributed with small holes.

Preferably, the middle part of the outer top wall of the deep cooling box body is fixedly connected with a motor through a mounting bracket, the driving end of the motor penetrates through the top wall of the deep cooling box body and is fixedly connected to a fan, and the fan is arranged in the middle of the upper end of the air duct.

Preferably, the middle lower part of the door plate is provided with a pressure gauge, and the middle part of the recovery pipe is provided with an electromagnetic valve.

Preferably, one end of the recovery pipe close to the water ring pump is provided with a molecular filter, and the molecular filters are fixedly connected to two sides of the upper surface of the mounting frame.

The working principle is as follows: when the intermediate roller heat treatment deep cooling box is used, if the size of the intermediate roller can be directly placed into any one deep cooling box body on the base, the door plate is opened, the intermediate roller is placed in the placing frame, the placing table is lifted to a proper height through the electric sliding block, the placing table is lifted and lowered to adjust the volume directly cooled in the deep cooling box body, the arrangement can effectively save liquid nitrogen, after the intermediate roller is placed, the valve on the corresponding deep cooling box is opened, the liquid nitrogen in the liquid nitrogen tank enters the liquid nitrogen disperser through the output pipe, the liquid nitrogen disperser vaporizes the nitrogen from the deep cooling box body to absorb a large amount of heat, the temperature in the deep cooling box body is rapidly cooled, when the liquid nitrogen works, the motor drives the fan to work, the fan rotates to enable airflow to flow out of the dispersing tablets, the temperature in the deep cooling box body is uniformly cooled, and when the pressure gauge displays that the pressure in the deep cooling box body, when the temperature in the deep cooling tank reaches a certain temperature, the corresponding electromagnetic valve is opened, the nitrogen is filtered by the molecular filter from the recovery pipe to remove impurities such as oil stains in the nitrogen, and then the nitrogen is compressed by the water ring pump and the roots pump, then compressing the waste gas into a recovery tank, the recovery of the nitrogen saves energy and reduces cost, if the size of the middle roller exceeds the volume of one cryogenic box body, the sealing side plate in the cryogenic box body is detached, the two cryogenic boxes are close to each other through the sliding of the first sliding block and the second sliding block, the connecting plates of the two cryogenic box bodies are tightly connected through the bolts, so that the two cryogenic box bodies form an oversized cryogenic box which can be well placed into an intermediate roller, due to the combined arrangement, the cryogenic processing requirements of the intermediate rollers with different sizes are met, meanwhile, equipment related to a cryogenic box is saved, and the deep cooling device is worthy of being widely popularized.

(III) advantageous effects

The invention provides a cryogenic box for intermediate roll heat treatment. The method has the following beneficial effects:

1. according to the invention, through the arrangement of the two cryogenic boxes, cryogenic treatment can be carried out on a large number of intermediate rollers needing cryogenic treatment, the efficiency is high, the two cryogenic boxes are close to each other through the sliding of the first sliding block and the second sliding block, the sealing side plates on the two cryogenic box bodies are detached, and then the two cryogenic box bodies are tightly connected through the connecting plate, so that the two cryogenic box bodies form an oversized cryogenic box.

2. The invention recovers nitrogen through the recovery pipe, the nitrogen is filtered by the molecular filter to filter impurities such as oil stain in the nitrogen, then is compressed by the water ring pump and the roots pump and then is compressed into the recovery tank, the recovery of the nitrogen saves energy and reduces cost, when the cryogenic box is used, the electric slide block slides on the slide rail, so that the cryogenic treatment volume is formed between the placing table and the cryogenic box, different volumes are adjusted for intermediate rollers with different sizes, the refrigerant nitrogen can be utilized to the maximum, and meanwhile, the space utilization rate in the cryogenic box can also reach the maximum, thereby being worthy of great popularization.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a top view of the liquid nitrogen disperser of the present invention;

fig. 5 is an enlarged view of a portion a in fig. 2.

Wherein, 1, a base; 2. a pin shaft; 3. a slide rail; 4. a pressure gauge; 5. a recovery pipe; 6. dispersing tablets; 7. a valve; 8. sealing the side plate; 9. a liquid nitrogen tank; 10. a fan; 11. a motor; 12. mounting a bracket; 13. an air duct; 14. a liquid nitrogen disperser; 15. a strut; 16. placing a rack; 17. a door panel; 18. a placing table; 19. an electric slider; 20. a rotating shaft; 21. a support plate; 22. a first slider; 23. a connecting plate; 24. a first chute; 25. a second chute; 26. connecting blocks; 27. a cryogenic box body; 28. a second slider; 29. a molecular filter; 30. a water ring pump; 31. compressing the tube; 32. an output pipe; 33. a roots pump; 34. a recovery tank; 35. a small hole; 36. a mounting frame; 37. an electromagnetic valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

as shown in fig. 1-5, an embodiment of the present invention provides a deep cooling box for intermediate roller heat treatment, including a base 1, wherein two sides of the middle portion of the inner bottom wall of the base 1 are respectively provided with a second sliding groove 25, two sides of the middle portion of the second sliding groove 25 are respectively connected with a first sliding block 22 in a sliding manner, the first sliding blocks 22 are respectively fixedly connected to two sides of the outer bottom wall of the deep cooling box body 27, the number of the deep cooling box bodies 27 is two, the middle portion of the inner side of the deep cooling box body 27 is respectively connected with a sealing side plate 8 in a flange manner, the periphery of one side of the sealing side plate 8 of the deep cooling box body 27 is respectively and fixedly connected with a connecting plate 23, threaded holes are uniformly distributed in the connecting plate 23, a placing table 18 is slidably connected to the middle lower portion in the deep cooling box body 27, one side of the placing table 18 close to the, the middle part of the top end of the mounting rack 36 is fixedly connected with a liquid nitrogen tank 9, the mounting rack 36 is provided with relevant parts for installing and recovering nitrogen, both sides of the top end of the liquid nitrogen tank 9 are fixedly connected with an output pipe 32, the middle part of the output pipe 32 is provided with a valve 7, when the cryogenic box body 27 cools the intermediate roller, the relevant valve 7 of the cryogenic box body 27 is used for pertinently cooling the intermediate roller, the maximum utilization of the cryogenic box equipment can be realized by the arrangement, the middle part of the inner top wall of the cryogenic box body 27 is fixedly connected with an air duct 13, both sides of the middle part of the top end of the mounting rack 36 are provided with recovery tanks 34, the outer sides of the recovery tanks 34 are fixedly connected with a roots pump 33 through a compression pipe 31, the outer sides of the roots pump 33 are fixedly connected with a water ring pump 30, the outer sides of the water ring pump 30 are fixedly connected with the, the recycling pipes 5 are communicated with the interior of the cryogenic box body 27, the door plates 17 are rotatably connected to the middle upper parts of two outer sides of the cryogenic box body 27, when the cryogenic box for intermediate roll heat treatment is used, the cryogenic box body 27 is selectively used according to the number of specific intermediate roll cooling elements, the two cryogenic box bodies 27 can simultaneously carry out cryogenic treatment on a large number of intermediate rolls, when the cryogenic box body 27 is used, the door plates 17 are firstly opened, the intermediate rolls are placed in the placing frames 16, the electric sliding blocks 19 slide on the sliding rails 3, so that the angle between the supporting plates 21 is changed, meanwhile, the supporting plates 21 can adjust the height of the placing table 18, the arrangement can maximize the utilization of the space in the cryogenic box body 27, and simultaneously, when nitrogen is introduced into the cryogenic box body 27 through the liquid nitrogen disperser 14, the refrigeration efficiency of the nitrogen can be maximized, and the cooling auxiliary agent can be effectively saved, after being placed, the valve 7 on the corresponding cryogenic box is opened, so that liquid nitrogen in the liquid nitrogen tank 9 enters the liquid nitrogen disperser 14 through the output pipe 32, the liquid nitrogen disperser 14 discharges the nitrogen from the cryogenic box body 27 and vaporizes and absorbs a large amount of heat, so that the temperature in the cryogenic box body 27 is rapidly cooled, and the rapid cooling of the intermediate roller is realized, when the liquid nitrogen disperser 14 works, the motor 11 drives the fan 10 to work, the fan 10 rotates to make airflow uniformly flow out from the dispersible tablet 6, so that the temperature in the cryogenic box body 27 is uniformly cooled, when the pressure gauge 4 shows that the pressure in the cryogenic box body reaches a certain value and the temperature in the cryogenic box reaches a certain temperature, the electromagnetic valve 37 corresponding to the cryogenic box body 27 is opened, the nitrogen is filtered by the molecular filter 29 from the recovery pipe 5, impurities such as oil stains in the nitrogen are filtered, then compressed by the water ring pump 30 and the roots pump 33 and then compressed into the recovery tank 34, the energy has been practiced thrift in the recovery of nitrogen gas, the cost is reduced, if the size of middle roller exceeds the volume of a deep-cooling box body 27, sealed curb plate 8 in the deep-cooling box body 27 is pulled down then, slip through first slider 22 and second slider 28 makes two deep-cooling box bodies 27 be close to, pass through bolt zonulae occludens with connecting plate 23 of two deep-cooling box bodies 27, make two deep-cooling box bodies 27 constitute a super large deep-cooling box, the great middle roller of volume of putting into that can be fine, such combination sets up, the cryogenic machining requirement of not unidimensional middle roller has been satisfied, the relevant equipment of deep-cooling box has been practiced thrift simultaneously.

The equal fixedly connected with second slider 28 in front end and the rear end of deep-cooling case body 27 lower part, the equal sliding connection of second slider 28 is in the inside of the both sides of first spout 24, and first spout 24 all sets up both sides inner wall around in base 1, and when two deep-cooling case bodies 27 make up, what utilized is that second slider 28 slides in first spout 24 and carries its stability.

Place the equal fixedly connected with rack 16 in both sides around the middle part of 18 upper surfaces of platform, the top middle part of rack 16 sets up to semi-circular, place the equal fixedly connected with slide rail 3 in both sides of 18 lower surfaces of platform, equal sliding connection has electronic slider 19 on slide rail 3, electronic slider 19's lower extreme all rotates the both sides of connecting in backup pad 21 through round pin axle 2, backup pad 21's middle part all rotates through pivot 20 to be connected, backup pad 21's lower extreme all slides at the interior diapire of deep-cooling box body 27, the middle roller of bearing that semicircular rack 16's setting can be fine, place the unstability when avoiding middle roller cooling, electronic slider 19 slides on slide rail 3, such setting can be fine goes up and down with backup pad 21, such setting also can make and place platform 18 and promote suitable height.

The one end that liquid nitrogen container 9 was kept away from to output tube 32 all runs through one side of cryogenic box body 27 roof and extends, the equal fixed connection in one end of liquid nitrogen deconcentrator 14 of one end that liquid nitrogen container 9 was kept away from to output tube 32, the other end of liquid nitrogen deconcentrator 14 passes through one side inner wall of branch 15 fixed connection at cryogenic box body 27, output tube 32 is used for the nitrogen gas output in liquid nitrogen container 9, evenly distributed has different aperture 35 on the liquid nitrogen deconcentrator 14 simultaneously, make nitrogen gas evenly distributed to the inside of cryogenic box body 27.

The dispersing tablets 6 are uniformly distributed at the lower part in the air duct 13, the dispersing tablets 6 are all distributed in a fan shape, the top wall of the air duct 13 is uniformly distributed with small holes 35, and when the fan 10 rotates, airflow flowing is formed between the small holes 35 and the air duct 13, so that nitrogen can be fully blown down by the fan 10 through the flowing airflow, and the dispersing tablets 6 can uniformly disperse the air of the fan 10.

The outer top wall middle part of cryogenic box body 27 all is through installing support 12 fixedly connected with motor 11, and the drive end of motor 11 all runs through the roof and the fixed connection of cryogenic box body 27 on fan 10, and fan 10 all sets up the interior middle part in dryer 13 upper end, and the power part of fan 10 can be regarded as to motor 11.

The middle lower part of door plant 17 all is provided with manometer 4, and the middle part of recovery tube 5 all is provided with solenoid valve 37, and when nitrogen gas retrieved, open corresponding solenoid valve 37 and realize the corresponding recovery to nitrogen gas, manometer 4 is used for reading the inside pressure of deep-cooling case body 27, is convenient for ensure safe atmospheric pressure in the deep-cooling case body 27.

Recovery tube 5 all is provided with molecular filter 29 near the one end of water ring pump 30, and the one end that the equal fixed connection of molecular filter 29 is close to water ring pump 30 in the both sides recovery tube 5 of mounting bracket 36 upper surface all is provided with molecular filter 29, and the equal fixed connection of molecular filter 29 is in the both sides of mounting bracket 36 upper surface, and molecular filter 29 can filter the solid liquid granule that is infected with in the nitrogen gas, guarantees the purity that nitrogen gas was retrieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.