Cutting device for profile steel

Abstract

The utility model relates to the technical field of profile steel, in particular to a profile steel cutting device which comprises a U-shaped outer frame, a U-shaped side frame is fixedly installed at one end of the U-shaped outer frame, and a plurality of second supporting rollers are rotationally connected to one side of the inner wall of the U-shaped side frame and one side of the inner wall of the U-shaped outer frame through pin shafts. A cutting mechanism is fixedly mounted at the top of the U-shaped side frame, a U-shaped inner frame is slidably arranged on the inner wall of the U-shaped outer frame, first supporting rollers distributed at equal intervals are rotatably connected to the inner wall of the U-shaped inner frame through pin shafts, and the first supporting rollers are flush with the second supporting rollers. According to the structural steel cutting device, the reinforcing blocks can be pressed on the two sides of the cutting position of structural steel, the pressing force is increased along with increase of the downward pressing distance, the stability of the structural steel during cutting is guaranteed, the length of the whole cutting device is changed, the whole cutting device has good length adjusting performance, the cutting requirements of the structural steel with different lengths are met, and the cutting efficiency is improved. The occupied area of the whole cutting device can be reduced, and movement is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of section steel, in particular to a cutting device for section steel. Background Art

[0002] Steel is a strip steel with a certain cross-sectional shape and size, and is one of the four major types of steel (plate, tube, profile, wire). According to the cross-sectional shape, steel is divided into simple cross-sectional steel and complex cross-sectional steel, including square steel, round steel, flat steel, angle steel, I-beam, channel steel, etc. When processing steel, cutting equipment is needed to cut it to meet the needs of a certain length of steel.

[0003] At present, the existing steel section cutting devices are generally very long and can be used to cut some very long steel sections. However, when cutting some short steel sections, some areas on the cutting device are in an excess state. Since the entire cutting device does not have good length adjustment performance, its performance is poor when cutting steel sections of different lengths. Moreover, the entire cutting device occupies too large an area and is not easy to move. Therefore, it is urgent to design a cutting device for steel sections to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a cutting device for steel sections to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The U-shaped frame is fixedly mounted on one end of the U-shaped frame, and one side of the inner wall of the U-shaped frame and one side of the inner wall of the U-shaped frame are rotatably connected to a plurality of second support rollers by means of a pin shaft, and a cutting mechanism is fixedly mounted on the top of the U-shaped side frame, and a U-shaped inner frame is slidably arranged on the inner wall of the U-shaped outer frame, and the inner wall of the U-shaped inner frame is rotatably connected to a first support roller distributed at an equal distance by means of a pin shaft, and the first support roller is flush with the second support roller, and one end of the first support roller is provided with the same driving mechanism, a bottom frame is fixedly mounted on the middle position of the bottom of the U-shaped frame, and a threaded rod is rotatably connected to the inner wall of the bottom frame, and a forward and reverse motor for driving the threaded rod to rotate is fixedly mounted on the outer wall of one end of the bottom frame, a socket is opened at the top of one end of the bottom frame, and a traction plate passing through the socket is screwed on the outer wall of the threaded rod, and a top end of the traction plate is fixedly connected to a bottom end of the U-shaped inner frame.

[0007] Furthermore, guide grooves are provided on both sides of the U-shaped outer frame, and one end of the outer walls on both sides of the U-shaped inner frame is rotatably connected to a plurality of pulleys slidably arranged in the guide grooves through pin shafts.

[0008] Furthermore, the driving mechanism includes a cavity opened on one side of the top of the U-shaped inner frame, and a transmission shaft arranged in the cavity is fixed to one end of the first support roller, a double pulley is fixed to the outer wall of the transmission shaft, and the outer walls of two adjacent double pulleys are connected by a transmission belt, a cover plate is fixedly installed on the top of the inner wall of the cavity, and a driving motor is fixedly installed on one end of the top of the cover plate, a driving wheel is fixedly installed on the output shaft of the driving motor, a driving belt is connected between the driving wheel and one of the double pulleys, and a through opening for the driving belt to pass through is opened on the cover plate.

[0009] Furthermore, the cutting mechanism includes a portal frame fixedly installed at one end of the top of the U-shaped side frame, and guide grooves are opened at both ends of the portal frame, the inner walls of the two guide grooves are slidably provided with the same lifting frame, a cutting machine frame is fixedly installed at the middle position of the bottom of the lifting frame, the inner wall of the cutting machine frame is rotatably connected to the cutting disk, and a cutting motor for driving the cutting disk to rotate is fixedly installed on one side of the cutting machine frame.

[0010] Furthermore, hydraulic cylinders are fixedly installed on the tops of the outer walls at both ends of the portal frame, and the piston ends of the hydraulic cylinders are fixedly connected to the two ends of the top of the lifting frame.

[0011] Furthermore, multiple guide holes are provided on both sides of the top of the lifting frame, and guide rods are inserted into the inner walls of the guide holes, a top plate is fixed to the top of the guide rods, a compression spring is fixed to the bottom of the top plate and the top of the lifting frame, a reinforcement block is fixed to the bottom of the guide rod, the reinforcement blocks are distributed on both sides of the cutting disk, and the bottom of the reinforcement blocks are provided with anti-slip grooves distributed at equal distances.

[0012] Furthermore, a supporting base is fixedly installed between one end of the bottom of the U-shaped outer frame and one end of the bottom of the U-shaped side frame, and universal wheels are fixedly installed at the four bottom corners of the supporting base.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, by setting the U-shaped outer frame, U-shaped inner frame, first support roller, driving mechanism, U-shaped side frame, second support roller, cutting disc, pressing spring and reinforcing block, the first support roller can be driven to rotate by the action of the driving mechanism, so as to drive the steel section to move in the cutting device, facilitate cutting, and simultaneously reduce the height of the reinforcing block when pressing down the cutting disc, so that the reinforcing block is pressed on both sides of the cutting part of the steel section, and the pressure and holding force are increased as the pressing distance increases, so as to ensure the stable performance of the steel section during cutting;

[0015] In the utility model, the U-shaped inner frame, guide groove, pulley, bottom frame, forward and reverse motors, threaded rods and traction plates are arranged, so that the U-shaped inner frame can be driven to move on the U-shaped outer frame, and the length of the entire cutting device can be changed, so that the entire cutting device has better length adjustment performance, meets the cutting requirements of steel sections of different lengths, and can reduce the floor space of the entire cutting device, which is easy to move. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The figure is a schematic diagram of the overall structure of a cutting device for steel sections.

[0017] Figure 2 The present invention is a schematic diagram of the structure of a bottom frame and a forward and reverse motor of a cutting device for section steel.

[0018] Figure 3 The present invention is a schematic diagram of the cavity and threaded rod structure of a cutting device for steel sections.

[0019] Figure 4 The present invention is a schematic diagram of the structure of a compression spring and a cutting motor of a cutting device for steel sections.

[0020] Figure 5 The present invention is a schematic diagram of a lifting frame and guide hole structure of a cutting device for steel sections.

[0021] In the figure: 1. U-shaped outer frame; 2. guide groove; 3. support base frame; 4. U-shaped inner frame; 5. first support roller; 6. drive motor; 7. portal frame; 8. hydraulic cylinder; 9. lifting frame; 10. cutting machine frame; 11. cutting disk; 12. reinforcement block; 13. U-shaped side frame; 14. second support roller; 15. bottom frame; 16. forward and reverse motor; 17. pulley; 18. traction plate; 19. drive belt; 20. cavity; 21. double pulley; 22. transmission belt; 23. threaded rod; 24. cover plate; 25. compression spring; 26. guide rod; 27. cutting motor; 28. guide groove; 29. ​​top plate; 30. guide hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 5In an embodiment of the utility model, a cutting device for steel sections includes a U-shaped outer frame 1, a U-shaped side frame 13 is fixedly installed at one end of the U-shaped outer frame 1, and a plurality of second support rollers 14 are rotatably connected to one side of the inner wall of the U-shaped side frame 13 and one side of the inner wall of the U-shaped outer frame 1 through a pin shaft, a cutting mechanism is fixedly installed on the top of the U-shaped side frame 13, a U-shaped inner frame 4 is slidably arranged on the inner wall of the U-shaped outer frame 1, and the inner wall of the U-shaped inner frame 4 is rotatably connected to first support rollers 5 distributed at equal distances through a pin shaft, and the first support rollers 5 and the second support rollers 1 4, both sides of the U-shaped outer frame 1 are provided with guide grooves 2, and one end of the outer wall of both sides of the U-shaped inner frame 4 is rotatably connected with a plurality of pulleys 17 slidably arranged in the guide grooves 2 through a pin shaft, one end of the first support roller 5 is provided with the same driving mechanism, the driving mechanism includes a cavity 20 opened on one side of the top of the U-shaped inner frame 4, and one end of the first support roller 5 is fixed with a transmission shaft arranged in the cavity 20, the outer wall of the transmission shaft is fixed with a double pulley 21, the outer wall of two adjacent double pulleys 21 is connected with a transmission belt 22, and the cavity 20 is provided with a plurality of pulleys 17 slidably arranged in the guide grooves 2. A cover plate 24 is fixedly installed on the top of the inner wall, and a driving motor 6 is fixedly installed on one end of the top of the cover plate 24. A driving wheel is fixedly installed on the output shaft of the driving motor 6. A driving belt 19 is connected to the driving wheel and one of the double pulleys 21. A through hole for the driving belt 19 to pass through is opened on the cover plate 24. A bottom frame 15 is fixedly installed at the middle position of the bottom of the U-shaped outer frame 1, and a threaded rod 23 is rotatably connected to the inner wall of the bottom frame 15. A forward and reverse motor 16 for driving the threaded rod 23 to rotate is fixedly installed on the outer wall of one end of the bottom frame 15. The bottom frame 1 A socket is provided on the top of one end of the U-shaped inner frame 5, and a traction plate 18 passing through the socket is screwed on the outer wall of the threaded rod 23. The top end of the traction plate 18 is fixedly connected to the bottom end of the U-shaped inner frame 4. The threaded rod 23 is driven to rotate by the forward and reverse motor 16 to adjust the position of the traction plate 18, so as to drive the U-shaped inner frame 4 to move on the U-shaped outer frame 1, and change the length of the entire cutting device, so that the entire cutting device has better length adjustment performance, meets the cutting requirements of steel sections of different lengths, and can reduce the footprint of the entire cutting device, which is convenient for movement.

[0024] Specifically, the cutting mechanism includes a gantry frame 7 fixedly mounted on one end of the top of the U-shaped side frame 13, and guide grooves 28 are provided at both ends of the gantry frame 7, the inner walls of the two guide grooves 28 are slidably provided with the same lifting frame 9, a cutting machine frame 10 is fixedly mounted at the middle position of the bottom of the lifting frame 9, a cutting disc 11 is rotatably connected to the inner wall of the cutting machine frame 10, a cutting motor 27 for driving the cutting disc 11 to rotate is fixedly mounted on one side of the cutting machine frame 10, hydraulic cylinders 8 are fixedly mounted on the top of the outer walls at both ends of the gantry frame 7, and the piston ends of the hydraulic cylinders 8 are fixedly connected to the two ends of the top of the lifting frame 9, the hydraulic cylinders 8 are used to lower the lifting frame 9, the cutting machine frame 10, the cutting disc 11 and the cutting motor 27 are moved downward, and the cutting operation is performed by driving the cutting disc 11 to rotate by the cutting motor 27.

[0025] Specifically, a plurality of guide holes 30 are provided on both sides of the top of the lifting frame 9, and guide rods 26 are inserted into the inner walls of the guide holes 30, a top plate 29 is fixed to the top of the guide rod 26, a compression spring 25 is fixed to the bottom of the top plate 29 and the top of the lifting frame 9, and a reinforcement block 12 is fixed to the bottom of the guide rod 26. The reinforcement blocks 12 are distributed on both sides of the cutting disk 11, and the bottom of the reinforcement blocks 12 is lower than the bottom of the cutting disk 11. The bottom of the reinforcement blocks 12 are provided with anti-slip grooves distributed at equal distances. When the cutting disk 11 is pressed down, the height of the reinforcement blocks 12 is simultaneously lowered, so that the reinforcement blocks 12 are pressed on both sides of the cutting point of the steel section, and the pressing force is increased as the pressing distance increases, thereby ensuring the stable performance of the steel section during cutting.

[0026] Specifically, a support frame 3 is fixedly installed between the bottom end of the U-shaped outer frame 1 and the bottom end of the U-shaped side frame 13, and universal wheels are fixedly installed at the four bottom corners of the support frame 3, so that the entire device is easy to move.

[0027] The working principle of the utility model is as follows: when in use, the user places the steel section on the first supporting roller 5, and uses the driving motor 6 in the driving mechanism to drive the driving belt 19, the transmission belt 22, the double pulley 21, and the transmission shaft to rotate, thereby driving the first supporting roller 5 to rotate, and driving the steel section to move a certain length in the cutting device, and then uses the hydraulic cylinder 8 to lower the lifting frame 9, the cutting machine frame 10, the cutting disc 11 and the cutting motor 27 to move downward, and when the cutting disc 11 is pressed down, the height of the reinforcement block 12 is simultaneously lowered, so that the reinforcement block 12 is pressed on both sides of the cutting position of the steel section, and the cutting disc 11 is driven to rotate by the cutting motor 27 to implement the cutting operation, and the user can use the forward and reverse motor 16 to drive the threaded rod 23 to rotate, adjust the position of the traction plate 18, drive the U-shaped inner frame 4 to move on the U-shaped outer frame 1, and change the length of the entire cutting device, so that the entire cutting device has better length adjustment performance, and can reduce the footprint of the entire cutting device, which is easy to move.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. A cutting device for steel sections, comprising a U-shaped outer frame (1), characterized in that: A U-shaped side frame (13) is fixedly installed at one end of the U-shaped outer frame (1), and a plurality of second support rollers (14) are rotatably connected to one side of the inner wall of the U-shaped side frame (13) and one side of the inner wall of the U-shaped outer frame (1) via a pin shaft, a cutting mechanism is fixedly installed on the top of the U-shaped side frame (13), a U-shaped inner frame (4) is slidably arranged on the inner wall of the U-shaped outer frame (1), and the inner wall of the U-shaped inner frame (4) is rotatably connected to first support rollers (5) distributed at equal distances via a pin shaft, and the first support rollers (5) are flush with the second support rollers (14), and the first support rollers (5) are rotatably connected to the inner wall of the U-shaped inner frame (4) via a pin shaft. One end of the roller (5) is provided with a same driving mechanism, a bottom frame (15) is fixedly installed at the middle position of the bottom of the U-shaped outer frame (1), and the inner wall of the bottom frame (15) is rotatably connected to a threaded rod (23), and a forward and reverse motor (16) for driving the threaded rod (23) to rotate is fixedly installed on the outer wall of one end of the bottom frame (15), a socket is opened at the top of one end of the bottom frame (15), and a traction plate (18) passing through the socket is screwed on the outer wall of the threaded rod (23), and the top end of the traction plate (18) is fixedly connected to the bottom end of the U-shaped inner frame (4).

2. A cutting device for section steel according to claim 1, characterized in that: Guide grooves (2) are provided on both sides of the U-shaped outer frame (1), and one end of the outer walls on both sides of the U-shaped inner frame (4) is rotatably connected to a plurality of pulleys (17) slidably arranged in the guide grooves (2) via pins.

3. A cutting device for section steel according to claim 2, characterized in that: The driving mechanism comprises a cavity (20) opened on one side of the top of the U-shaped inner frame (4), and a transmission shaft arranged in the cavity (20) is fixed to one end of each of the first support rollers (5), a double pulley (21) is fixed to the outer wall of each of the transmission shafts, and a transmission belt (22) is connected to the outer walls of two adjacent double pulleys (21), and a cover plate (24) is fixedly installed on the top of the inner wall of the cavity (20), and a driving motor (6) is fixedly installed on one end of the top of the cover plate (24), and a driving wheel is fixedly installed on the output shaft of the driving motor (6), and a driving belt (19) is connected to the driving wheel and one of the double pulleys (21), and a through opening for the driving belt (19) to pass through is opened on the cover plate (24).

4. A cutting device for section steel according to claim 1, characterized in that: The cutting mechanism comprises a door frame (7) fixedly mounted on one end of the top of the U-shaped side frame (13), and guide grooves (28) are provided at both ends of the door frame (7), the inner walls of the two guide grooves (28) are slidably provided with a same lifting frame (9), a cutting machine frame (10) is fixedly mounted at the middle position of the bottom of the lifting frame (9), a cutting disc (11) is rotatably connected to the inner wall of the cutting machine frame (10), and a cutting motor (27) for driving the cutting disc (11) to rotate is fixedly mounted on one side of the cutting machine frame (10).

5. A cutting device for section steel according to claim 4, characterized in that: A hydraulic cylinder (8) is fixedly mounted on the top of the outer walls at both ends of the portal frame (7), and the piston end of the hydraulic cylinder (8) is fixedly connected to the two ends of the top of the lifting frame (9).

6. A cutting device for section steel according to claim 5, characterized in that: A plurality of guide holes (30) are provided on both sides of the top of the lifting frame (9), and guide rods (26) are inserted into the inner walls of the guide holes (30), a top plate (29) is fixed to the top of the guide rods (26), a compression spring (25) is fixed to the bottom of the top plate (29) and the top of the lifting frame (9), a reinforcement block (12) is fixed to the bottom of the guide rod (26), the reinforcement blocks (12) are distributed on both sides of the cutting disc (11), and anti-slip grooves distributed at equal distances are provided at the bottom of the reinforcement blocks (12).

7. A cutting device for section steel according to claim 1, characterized in that: A supporting base frame (3) is fixedly installed between one end of the bottom of the U-shaped outer frame (1) and one end of the bottom of the U-shaped side frame (13), and universal wheels are fixedly installed at the four bottom corners of the supporting base frame (3).

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