Cooling and cutting device for steel machining

Abstract

The invention discloses a cooling and cutting device for steel machining, and particularly relates to the technical field of steel machining, the cooling and cutting device comprises a workbench, a rotating assembly is arranged at the upper end of the workbench, a limiting assembly is arranged at the upper end of the workbench, and a cutting assembly is arranged on the front side of the rotating assembly; and first limiting assemblies are symmetrically arranged on the left side and the right side of the cutting assembly, second limiting assemblies are arranged at the upper end of the workbench, and cooling assemblies are arranged at the upper ends of the limiting assemblies. According to the cooling and cutting device for steel machining, through cooperation of all the assemblies, cutting of steel bars and continuous cutting and discharging are completed, the time for frequently adjusting the cutting position in a traditional cutting mode is shortened, rapid and continuous equal-distance cutting of steel is achieved, and the cutting efficiency is improved. The overall efficiency of the production line is improved, the cutting assembly is cooled through the cooling assembly, air circulation is accelerated, and cooling of the cutting assembly is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of steel processing, and in particular to a cooling and cutting device for steel processing. Background Art

[0002] With the acceleration of the industrialization process, steel, as an important industrial material, plays an important role in various fields. In order to meet the needs of different fields for steel size and shape, steel bar cutting devices have emerged. In the field of construction, steel bars are usually called rebars and are an indispensable skeleton material in concrete structures. Steel bars form a mesh structure and are closely combined with concrete to bear the load together, effectively enhancing the load-bearing capacity and seismic resistance of buildings. In the field of transportation, steel bars are widely used in the construction of transportation facilities such as railways, highways, and bridges. In the field of machinery manufacturing, steel bars can also be made into various mechanical parts, such as bearings, gears, springs, etc. These parts are widely used in the automotive, shipbuilding, aviation and other industries.

[0003] The processing of steel bars has undergone many technological innovations, from the initial manual cutting to the later mechanical cutting, and then to today's automated and intelligent cutting. Traditional steel bar cutting devices mostly use flame cutting or mechanical cutting methods. Although the cutting accuracy has been improved, the cutting efficiency and cutting quality are still difficult to meet the needs of modern industry.

[0004] Chinese patent announcement number CN107234291A2 discloses a steel bar cutting device, including a transmission housing, a belt, a first rotating shaft, a motor, a support rod, a base, a pulley, a cutting blade, a nut and a cross bar. First, the pull rod is pulled, and the second fixing block on the outer wall of the pull rod compresses the second spring, and the cut steel bar is placed in the circular groove. The pull rod is loosened, and the steel bar will resist the baffle to compress the first spring, clamping the steel bar, so as to better fix the steel bar. A plurality of circular grooves can fix multiple steel materials at the same time. The motor is turned on, and the rotation of the first rotating shaft drives the belt to rotate, thereby driving the second rotating shaft and the cutting blade to rotate. The handle on the connecting rod is pulled up and down to realize the cutting of multiple steel bars. The pulley at the lower end of the base can move the cutting device, and the foot can provide a stable placement for the cutting device. The invention can fix multiple steel bars separately and cut them at the same time, thereby improving work efficiency. The cutting device occupies a small area, is stable to store, and is easy to move.

[0005] However, the above device can only cut the steel bars once and for all, and cannot continuously cut the steel bars at equal intervals and cut the steel bars, resulting in low cutting efficiency. Summary of the invention

[0006] The main purpose of the present invention is to provide a cooling cutting device for steel processing, which can effectively solve the problem of being unable to continuously cut and feed steel bars at equal intervals.

[0007] To achieve the above object, the technical solution adopted by the present invention is:

[0008] A cooling and cutting device for steel processing comprises a workbench, wherein a rotating component is arranged at the upper end of the workbench, a limiting component is arranged at the upper end of the workbench, a cutting component is arranged at the front side of the rotating component, limiting component 1 is symmetrically arranged on the left and right sides of the cutting component, limiting component 2 is arranged at the upper end of the workbench, and a cooling component is arranged at the upper end of the limiting component.

[0009] Preferably, the rotating assembly includes a fixed base fixedly connected to the upper end of the workbench, a motor is fixedly installed on the rear side of the fixed base, an output end of the motor is fixedly connected to a rotating shaft, two rotating shafts are provided, the outer surfaces of the two rotating shafts are commonly fixedly connected to a transmission mechanism, the front ends of the two rotating shafts are fixedly connected to a connecting shaft, and the front ends of the two connecting shafts are commonly rotatably connected to a fixed block.

[0010] Preferably, a sliding block is fixedly connected to the lower end of the fixed block, an outer surface of the sliding block is slidably connected to a limiting seat 1, and a lower end of the limiting seat 1 is slidably connected to an upper end of the workbench.

[0011] Preferably, the limit assembly includes a cutting table fixedly connected to a front side of a limit seat, a limit groove is provided at the upper end of the cutting table, a cutting groove is provided on the outer surface of the limit groove, the lower end of the cutting table is slidably connected to the workbench, two limit rods are slidably connected to the inner surface of the cutting table, the right ends of the two limit rods are fixedly connected to a placing table, and the left ends of the two cutting machines are fixedly connected to a unloading table.

[0012] Preferably, the cutting assembly comprises a fixing frame fixedly connected to the front side of the fixing block, and a cutting machine is fixedly mounted on the inner surface of the fixing frame.

[0013] Preferably, the limiting component 1 includes a limiting column slidingly connected to the right side of the fixing frame, the upper end of the limiting column is fixedly connected with a clamping block, the lower end of the limiting column is fixedly connected with a pressing block 1, the upper end of the pressing block 1 is fixedly connected with a spring 1, the upper end of the spring 1 is fixedly connected to the lower end of the right side of the fixing frame, and the spring set is arranged on the outer surface of the limiting column.

[0014] Preferably, the limiting component 2 includes a connecting block slidably connected to the inner surface of the sliding block, the right end of the connecting block is fixedly connected to a rack 1, the upper end of the workbench is fixedly connected to a limiting seat 2, the outer surface of the limiting seat 2 is provided with a T-shaped limiting groove, and the outer surface of the rack 1 is slidably connected to the T-shaped limiting groove.

[0015] Preferably, the front side of the fixed seat is fixedly connected to a rotating seat, the inner surface of the rotating seat is rotatably connected to a gear, the left side of the gear is meshingly connected to rack one, the right side of the gear is meshingly connected to rack two, the upper end of the workbench is fixedly connected to a limiting seat three, the inner surface of the limiting seat three is slidably connected to a sliding seat, and the left side of the sliding seat is fixedly connected to the right side of rack two.

[0016] Preferably, the cutting part of the sliding seat is fixedly connected with two springs 2, and the lower ends of the two springs 2 are commonly fixedly connected with a pressing block 2.

[0017] Preferably, the cooling assembly comprises an air pump fixedly mounted on the upper end of the cutting table, the output end of the air pump is fixedly connected to a connecting plate, and a jet port is provided on the front side of the connecting plate.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The present invention realizes precise driving of the limit assembly and the cutting assembly through the rotating assembly, so that they can move smoothly in the front-rear direction, and at the same time drive the cutting assembly to perform lifting and cutting, ensuring the synchronization of the cutting action and the moving process, thereby realizing the precise cutting and displacement of the steel bar, and the overall steel bar can be cut and unloaded continuously, which reduces the time consumed by the need to frequently adjust the cutting position in the traditional cutting method, significantly improves the cutting efficiency, and realizes fast and continuous equidistant cutting of steel. In addition, a cooling assembly is equipped to effectively cool the cutting assembly, and further improve the cooling effect by accelerating the air circulation, thereby ensuring the stability and reliability of the cutting process.

[0020] 2. The present invention drives the coordinated movement of the limit assembly and the cutting assembly through the rotating assembly, so that when the steel bar is fed into the cutting area, the limit assembly 1 pushes the steel bar forward through direct contact with the steel bar, provides necessary support for the cutting operation, and enables the cutting assembly and the steel bar to move synchronously, thereby ensuring the accuracy and continuity of the cutting action. When the limit assembly 1 is separated from the steel bar, the limit assembly 2 reversely limits the steel bar and fixes the position of the steel bar so that it will not move backward with the rotating assembly. The cooperation between the two not only realizes equidistant cutting of the steel bar, but also realizes the simultaneous unloading operation, greatly improving the efficiency and accuracy of the cutting operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the overall structural state operation of the present invention;

[0023] Figure 3 It is a schematic diagram of the second structure of the overall structural state operation of the present invention;

[0024] Figure 4 It is a schematic diagram of the three structures of the overall structural state operation of the present invention;

[0025] Figure 5 It is a structural schematic diagram of the rotating assembly of the present invention;

[0026] Figure 6 It is a partial structural schematic diagram of the limiting assembly of the present invention;

[0027] Figure 7 For the present invention Figure 6 A is an enlarged structural diagram;

[0028] Figure 8 It is a schematic diagram of the structure of the cooling assembly of the present invention;

[0029] Fig. 9 It is a structural schematic diagram of the second limiting component of the present invention;

[0030] Fig.10 It is a partial structural schematic diagram of the second position limiting component of the present invention;

[0031] Fig.11 It is a schematic structural diagram of the pressing block 2 of the present invention.

[0032] In the figure: 1, workbench; 2, rotating assembly; 21, fixed seat; 22, motor; 23, rotating shaft; 24, transmission mechanism; 25, connecting shaft; 26, fixed block; 27, sliding block; 28, limit seat 1; 3, limit assembly; 31, cutting table; 311, limit groove; 312, cutting groove; 32, limit rod; 33, placing table; 34, unloading table; 4, cutting assembly; 41, fixed frame; 42, cutting machine; 5, limit group Part 1; 51, limit column; 52, block; 53, pressing block 1; 54, spring 1; 6, limit assembly 2; 61, connecting block; 62, rack 1; 63, limit seat 2; 64, T-shaped limit groove; 65, rotating seat; 66, gear; 67, rack 2; 68, limit seat 3; 69, sliding seat; 610, spring 2; 611, pressing block 2; 7, cooling assembly; 71, air pump; 72, connecting plate; 73, jet nozzle. DETAILED DESCRIPTION

[0033] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0034] Embodiment 1, as Figure 1-4As shown, a cooling and cutting device for steel processing, a cooling and cutting device for steel processing, includes a workbench 1, a rotating component 2 is arranged on the upper end of the workbench 1, so that the limiting component 3 and the cutting component 4 move forward and backward synchronously, and the cutting component 4 completes the cutting of the steel bar during the process, reducing the time and labor cost of frequent shutdown adjustments required in the traditional cutting method, realizing rapid and continuous cutting of steel, and improving the overall efficiency of the production line. The limiting component 3 is arranged on the upper end of the workbench 1, and the cutting component 4 is arranged on the front side of the rotating component 2. The limiting components 5 are symmetrically arranged on the left and right sides of the cutting component 4, which effectively limit the movement of the steel and ensure stability during the cutting process. , and the steel bar can move together with the limiting component 3 during the cutting process, so that the steel bar is consistent with the cutting component 4. A limiting component 6 is set at the upper end of the workbench 1 to limit the cut steel bar, so that the rotating component 2, the limiting component 3, and the cutting component 4 retreat as a whole while the steel bar remains stationary, and the rotating component 2 pushes the steel bar forward in the next movement. A cooling component 7 is set at the upper end of the limiting component 3 to accelerate air circulation, which is helpful for cooling the cutting area and preventing thermal deformation or tool wear caused by high temperature during the cutting process. At the same time, the cooling component 7 also helps to blow the debris generated by cutting away from the cutting area in time, keep the cutting surface clean, and improve the cutting efficiency and cutting quality.

[0035] During the operation of this embodiment, the limiting component 3 and the cutting component 4 are driven to move forward and backward by the rotating component 2, and the cutting component 4 is lifted and lowered synchronously during the movement to complete the cutting of the steel bars, continuously realize cutting and unloading, reduce the time required for frequent adjustment of the cutting position in the traditional cutting method, realize fast, continuous and equidistant cutting of steel, improve the overall efficiency of the production line, and use the cooling component 7 to cool the cutting component 4, accelerate the air circulation, and help cool the cutting component 4.

[0036] Embodiment 2: Based on embodiment 1, this embodiment is to achieve the effect of synchronously completing equidistant cutting and blanking during the processing.

[0037] For details, see Figure 1-11The rotating assembly 2 includes a fixed seat 21 fixedly connected to the upper end of the workbench 1, a motor 22 is fixedly installed on the rear side of the fixed seat 21, and a rotating shaft 23 is fixedly connected to the output end of the motor 22. Two rotating shafts 23 are provided, and the outer surfaces of the two rotating shafts 23 are commonly fixedly connected to a transmission mechanism 24. The two rotating shafts 23 are connected through the transmission mechanism 24. The transmission mechanism 24 is composed of a driving wheel, a driven wheel and a belt. When the driving wheel drives the belt to rotate, the friction between the belt and the other driven wheel will cause the driven wheel to start rotating. The front ends of the two rotating shafts 23 are fixedly connected to a connecting shaft 25, and the front ends of the two connecting shafts 25 are commonly rotatably connected to a fixed block 26. The fixed block 26 rotates as a whole around the middle position of the two connecting shafts 25 as the axis, so that the limit seat 28 as a whole moves back and forth continuously.

[0038] For further information, see Figure 6 The lower end of the fixed block 26 is fixedly connected with a sliding block 27, the outer surface of the sliding block 27 is slidably connected to a limit seat 28, and the lower end of the limit seat 28 is slidably connected to the upper end of the workbench 1, so when the fixed block 26 rotates, the sliding block 27 will slide on the inner surface of the limit seat 28, thereby causing the fixed block 26 to rise and fall during the rotation process.

[0039] For further information, see Figure 6 and Figure 8 The limiting assembly 3 includes a cutting table 31 fixedly connected to the front side of the limiting seat 28, a limiting groove 311 is provided at the upper end of the cutting table 31, and a cutting groove 312 is provided on the outer surface of the limiting groove 311. The cutting machine 42 can completely cut the steel bar by moving to the inside of the cutting groove 312, and the lower end of the cutting table 31 is slidably connected to the workbench 1, and the cutting table 31 is driven by the limiting seat 28 to reciprocate. Two limiting rods 32 are slidably connected to the inner surface of the cutting table 31, and the limiting rods 32 can enable the cutting table 31 to move back and forth stably. The right ends of the two limiting rods 32 are fixedly connected to the placing table 33, and the left ends of the two cutting machines 42 are fixedly connected to the unloading table 34. The upper end of the unloading table 34 is an inclined surface, which is inclined to the left side, so that the cut steel is pushed by the steel before cutting to slide on the surface of the unloading table 34.

[0040] For further information, see Figure 6 and Figure 7 The cutting assembly 4 includes a fixing frame 41 fixedly connected to the front side of the fixing block 26 , and a cutting machine 42 is fixedly installed on the inner surface of the fixing frame 41 .

[0041] For further information, see Figure 7The limit assembly 5 includes a limit column 51 slidably connected to the right side of the fixing frame 41, and a clamping block 52 is fixedly connected to the upper end of the limit column 51, and a pressing block 53 is fixedly connected to the lower end of the limit column 51, which is convenient for pressing and limiting the steel bar to keep it stable during cutting, so that the steel bar can move forward as a whole along with the fixing frame 41 and the cutting machine 42 during the cutting process, and the cutting stability is maintained while pushing the steel bar to move. The pressing block 53 is made of copper, which is a commonly used metal material and has a large friction coefficient when in contact with steel. The upper end of the pressing block 53 is fixedly connected to a spring 54 to increase the buffering force. The upper end of the spring 54 is fixedly connected to the lower end of the right side of the fixing frame 41, and the spring 54 is sleeved on the outer surface of the limit column 51. The limit column 51 can limit the spring 54 so that the spring 54 can only be extended and retracted in the up and down directions, thereby increasing its stability.

[0042] For further information, see Fig. 9 and Fig.10 The limiting component 2 6 includes a connecting block 61 that is slidably connected to the inner surface of the sliding block 27. When the sliding block 27 moves left and right, it will slide back and forth on the surface of the connecting block 61. The right end of the connecting block 61 is fixedly connected to a rack 1 62. The upper end of the workbench 1 is fixedly connected to a limiting seat 2 63. The outer surface of the limiting seat 2 63 is provided with a T-shaped limiting groove 64. The T-shaped limiting groove 64 can limit the rack 1 62 and the connecting block 61. When the sliding block 27 moves left and right, the positions of the limiting seat 2 63 and the rack 1 62 remain unchanged. When the sliding block 27 is lifted or lowered, the rack 1 62 can be driven to be lifted or lowered synchronously. The outer surface of the rack 1 62 is slidably connected to the T-shaped limiting groove 64.

[0043] For further information, see Fig.10 The front side of the fixed seat 21 is fixedly connected with a rotating seat 65, and the inner surface of the rotating seat 65 is rotatably connected with a gear 66. The left side of the gear 66 is meshed with the rack 1 62. When the sliding block 27 drives the rack 1 62 to descend, it drives the gear 66 to rotate counterclockwise, thereby driving the rack 2 67 to rise. The right side of the gear 66 is meshed with the rack 2 67. The upper end of the workbench 1 is fixedly connected with a limit seat 3 68, and the inner surface of the limit seat 3 68 is slidably connected with a sliding seat 69. The left side of the sliding seat 69 is fixedly connected with the right side of the rack 2 67. The sliding seat 69 rises and falls with the sliding seat 69, and the two are opposite to the rise and fall of the sliding block 27.

[0044] The lower end of the sliding seat 69 is fixedly connected to two springs 610, which can increase the cushioning performance of the pressing block 611. The lower ends of the two springs 610 are commonly fixedly connected to the pressing block 611. The pressing block 611 is made of copper, which is a commonly used metal material and has a large friction coefficient when in contact with steel. After the steel bar is cut and raised, the limit assembly 5 is separated from the steel bar, and the pressing block 611 descends to press and limit the rear side of the steel bar, so that when the fixed block 26, the fixing frame 41, the cutting machine 42 and other structures move back, the steel bar will not follow back.

[0045] For further information, see Figure 8 The cooling assembly 7 includes an air pump 71 fixedly mounted on the upper end of the cutting table 31, the output end of the air pump 71 is fixedly connected to a connecting plate 72, and a jet port 73 is provided on the front side of the connecting plate 72, which accelerates air circulation and helps to cool and remove chips in the cutting area.

[0046] The initial state of the device is Figure 1 , start the motor 22, the cutting machine 42 and the air pump 71, the fixed seat 21 drives the rotating shaft 23 to rotate, so that the connecting shaft 25 drives the fixed block 26 to rotate as a whole with the middle point of the two connecting shafts 25 as the axis center, and during the rotation, the fixed block 26 and the sliding block 27 are driven to slide up and down in the limit seat 28, and the fixed frame 41 and the cutting machine 42 rotate clockwise as a whole, so that the limit seat 28 and the cutting table 31 move left and right, when the fixed frame 41 rotates clockwise to the lower part, the pressing block 53 will limit the steel bar to keep the steel bar stable, and then the cutting machine 42 will cut the steel bar, and the fixed block 26 is still in motion during cutting, driving the cutting machine 42 and the cutting table 31 to move synchronously, so that during the cutting process of the cutting machine 42, the pressing block 53 and the cutting table 31 will drive the steel bar to move synchronously to the left, and the moving process of cutting can refer to the attached Figure 2 With attached Figure 3 ;

[0047] After the cutting is completed, the cutting machine 42 moves upward following the running track of the fixed block 26, so that the pressing block 1 53 is separated from the steel bar. At this time, the sliding block 27 follows the fixed block 26 to rise, so that the rack 1 62 is meshed with the gear 66, driving the rack 2 67 to descend, driving the sliding seat 69, the spring 2 610, and the pressing block 2 611 to press and limit the surface of the right side of the steel bar, and press it on the placement table 33. See the attached Figure 4 ;

[0048] Then the cutting machine 42 continues to move with the fixed block 26 to the initial position. In this process, the fixed block 26 drives the sliding block 27, the limiting seat 28 and the cutting table 31 to move to the right as a whole, and the right side of the steel bar is limited on the placing table 33 by the pressing block 2 611 and remains motionless. The cutting machine 42 performs cutting according to the above process. In the step of moving forward during the cutting process, the previously cut steel bar can be pushed onto the unloading table 34 and slide away. In this way, the steel bar is cut and unloaded at equal intervals.

[0049] The air pump 71 can keep working all the time to speed up the air circulation in the cutting part, which is helpful for cooling and chip removal in the cutting area.

[0050] Therefore, in this scheme, the rotating component 2 drives the coordinated movement of the limit component 3 and the cutting component 4, so that when the steel bar is fed into the cutting area, the limit component 1 5 pushes the steel bar forward through direct contact with the steel bar, providing necessary support for the cutting operation, and allowing the cutting component 4 and the steel bar to move synchronously, thereby ensuring the accuracy and continuity of the cutting action. When the limit component 1 5 is separated from the steel bar, the limit component 2 6 reversely limits the steel bar and fixes the position of the steel bar so that it will not move backward with the rotating component. The cooperation between the two not only realizes equidistant cutting of the steel bar, but also realizes the simultaneous unloading operation, greatly improving the efficiency and accuracy of the cutting operation.

[0051] It should be noted that the specific installation method, circuit connection method and control method of the motor 22, cutting machine 42 and air pump 71 used in the present invention are all conventional designs and will not be elaborated in detail in the present invention.

[0052] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A cooling and cutting device for steel processing, comprising a workbench (1), characterized in that: A rotating assembly (2) is arranged at the upper end of the workbench (1), a limiting assembly (3) is arranged at the upper end of the workbench (1), a cutting assembly (4) is arranged at the front side of the rotating assembly (2), limiting assemblies (1) (5) are symmetrically arranged on the left and right sides of the cutting assembly (4), a limiting assembly (2) (6) is arranged at the upper end of the workbench (1), and a cooling assembly (7) is arranged at the upper end of the limiting assembly (3).

2. A cooling and cutting device for steel processing according to claim 1, characterized in that: The rotating assembly (2) comprises a fixed seat (21) fixedly connected to the upper end of the workbench (1); a motor (22) is fixedly mounted on the rear side of the fixed seat (21); an output end of the motor (22) is fixedly connected to a rotating shaft (23); two rotating shafts (23) are provided; outer surfaces of the two rotating shafts (23) are commonly fixedly connected to a transmission mechanism (24); front ends of the two rotating shafts (23) are both fixedly connected to a connecting shaft (25); and front ends of the two connecting shafts (25) are commonly rotatably connected to a fixed block (26).

3. A cooling and cutting device for steel processing according to claim 2, characterized in that: The lower end of the fixed block (26) is fixedly connected to a sliding block (27), the outer surface of the sliding block (27) is slidably connected to a limiting seat (28), and the lower end of the limiting seat (28) is slidably connected to the upper end of the workbench (1).

4. A cooling and cutting device for steel processing according to claim 3, characterized in that: The limiting assembly (3) comprises a cutting table (31) fixedly connected to the front side of a limiting seat (28); a limiting groove (311) is provided at the upper end of the cutting table (31); a cutting groove (312) is provided on the outer surface of the limiting groove (311); the lower end of the cutting table (31) is slidably connected to the workbench (1); two limiting rods (32) are slidably connected to the inner surface of the cutting table (31); the right ends of the two limiting rods (32) are fixedly connected to a placing table (33); and the left ends of the two cutting machines (42) are fixedly connected to a material unloading table (34).

5. A cooling and cutting device for steel processing according to claim 2, characterized in that: The cutting assembly (4) comprises a fixing frame (41) fixedly connected to the front side of the fixing block (26), and a cutting machine (42) is fixedly mounted on the inner surface of the fixing frame (41).

6. A cooling and cutting device for steel processing according to claim 5, characterized in that: The limiting component (5) comprises a limiting column (51) slidably connected to the right side of the fixing frame (41); the upper end of the limiting column (51) is fixedly connected to a clamping block (52); the lower end of the limiting column (51) is fixedly connected to a pressing block (53); the upper end of the pressing block (53) is fixedly connected to a spring (54); the upper end of the spring (54) is fixedly connected to the lower end of the right side of the fixing frame (41); and the spring (54) is sleeved on the outer surface of the limiting column (51).

7. A cooling and cutting device for steel processing according to claim 3, characterized in that: The second limiting assembly (6) comprises a connecting block (61) slidably connected to the inner surface of the sliding block (27); the right end of the connecting block (61) is fixedly connected to a rack (62); the upper end of the workbench (1) is fixedly connected to a second limiting seat (63); the outer surface of the second limiting seat (63) is provided with a T-shaped limiting groove (64); the outer surface of the rack (62) is slidably connected to the T-shaped limiting groove (64).

8. The cooling and cutting device for steel processing according to claim 2, characterized in that: The front side of the fixed seat (21) is fixedly connected to a rotating seat (65), the inner surface of the rotating seat (65) is rotatably connected to a gear (66), the left side of the gear (66) is meshingly connected to rack one (62), and the right side of the gear (66) is meshingly connected to rack two (67), the upper end of the workbench (1) is fixedly connected to a limit seat three (68), the inner surface of the limit seat three (68) is slidably connected to a sliding seat (69), and the left side of the sliding seat (69) is fixedly connected to the right side of rack two (67).

9. A cooling and cutting device for steel processing according to claim 8, characterized in that: The lower end of the sliding seat (69) is fixedly connected to two springs (610), and the lower ends of the two springs (610) are commonly fixedly connected to a pressing block (611).

10. The cooling and cutting device for steel processing according to claim 4, characterized in that: The cooling assembly (7) comprises an air pump (71) fixedly mounted on the upper end of the cutting table (31); an output end of the air pump (71) is fixedly connected to a connecting plate (72); and a jet port (73) is provided on the front side of the connecting plate (72).

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