Cutting length control mechanism of steel pipe cutting machine

Abstract

The utility model discloses a cut-off length control mechanism of a steel pipe cut-off machine, which belongs to the technical field of steel pipe cut-off machines, and comprises a storage platform and a stacking platform, a cut-off machine body is arranged between the storage platform and the stacking platform, a feeding mechanism is arranged on the storage platform, a pushing groove is arranged on the storage platform, and the pushing groove is connected with the storage platform. And a material pushing mechanism is arranged at the bottom of the material pushing groove. According to the steel pipe cutting-off device, the position of the rotating limiting block is adjusted through cooperation between the first lead screw and the movable plate, so that the distance between the rotating limiting block and the cutting-off machine body is adjusted, movement of a steel pipe is detected and limited through the contact sensor, and the cutting-off length of the steel pipe is adjusted; in addition, after the steel pipe is cut off, a third motor is started to drive a rotating limiting block to rotate by 90 degrees so as to relieve fixation of the end of the steel pipe, the cut-off steel pipe can fall off smoothly, and the practicability of the steel pipe cutting device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe cutting machines, and more specifically to a cutting length control mechanism of a steel pipe cutting machine. Background Art

[0002] A rebar cutting machine is a tool used to cut rebars. It can be divided into fully automatic rebar cutting machines and semi-automatic rebar cutting machines. It is mainly used to cut rebars to a fixed length in civil engineering projects. It is an indispensable equipment in the rebar processing process. When cutting rebars, it is necessary to control the length of the cut rebars.

[0003] After searching, the utility model patent with announcement number CN208991648U discloses a steel bar cutting machine for controlling the cutting length of steel bars, including: a steel bar cutting machine, a material storage platform, a conveying device, a material stacking platform and a steel bar positioning device; the steel bar cutting machine, the material storage platform, the conveying device and the material stacking platform are fixedly installed on the ground, the steel bar cutting machine is between the material storage platform and the material stacking platform, and the conveying device is located behind the material storage platform; the conveying device includes two front and rear mounting base plates, a transmission motor, a transmission wheel, a pressure wheel device and an auxiliary supporting pulley; the steel bar positioning device is installed on the material stacking platform; the steel bars to be cut enter the conveying device from the material storage platform, and the conveying device conveys the steel bars to be cut through the blade of the steel bar cutting machine until the steel bar positioning device is set and stops, and the steel bar cutting machine cuts the steel bars; this patent can mechanically convey the steel bars to be cut, can realize the positioning of the required cutting length of the steel bars to be cut, avoids manual dragging of the steel bars back and forth, can reduce labor and improve work efficiency.

[0004] However, the above patent still has the following shortcomings: when the movable positioning plate positions the steel bar, one end of the steel bar is placed on the steel bar cutter after being cut, and the other end contacts the movable positioning plate, which cannot ensure that all the steel bars can fall smoothly, affecting the quality of steel pipe cutting; and when the steel bar is driven by the transmission wheel and the movable hanging wheel, there is a slippage phenomenon between the steel bar and the transmission wheel and the movable hanging wheel, which affects the movement of the steel bar. For this reason, we propose a cutting length control mechanism for the steel pipe cutter. Utility Model Content

[0005] In view of the problems existing in the prior art, the utility model aims to provide a cutting length control mechanism for a steel pipe cutting machine.

[0006] In order to solve the above problems, the utility model adopts the following technical solutions:

[0007] The lifting of the ...

[0008] As a preferred scheme of the utility model, the pushing mechanism includes a movable groove opened at the bottom of the inner cavity of the pushing groove and a second V-shaped roller rotatably connected to the inner cavity of the pushing groove, the inner cavity of the movable groove is rotatably connected to a second screw rod, the outer side of the second screw rod is threadedly sleeved with a movable seat, the top surface of the movable seat is fixedly connected to a pushing block, the side surfaces of the pushing block are fixedly connected to two rotating frames, a first V-shaped roller is rotatably connected between the two rotating frames, the first V-shaped roller, the second V-shaped roller, the contact sensor and the cutting position height of the cutting body are adapted, a second motor is fixedly installed at the end of the storage platform, and the output shaft of the second motor is connected to the end of the second screw rod.

[0009] As a preferred solution of the utility model, the feeding mechanism includes a material storage trough arranged on the material storage platform, an electric hydraulic rod is fixedly installed on the inner wall of the material storage trough, and an output end of the electric hydraulic rod is fixedly connected to a push plate.

[0010] As a preferred solution of the utility model, the top surface of the material storage platform is fixedly connected to an L-shaped frame, the top of the L-shaped frame is fixedly installed with an electric push rod, the output end of the electric push rod is fixedly connected to an extrusion wheel, and the extrusion wheel is located directly above the second V-shaped roller.

[0011] As a preferred solution of the utility model, the inner wall of the slide groove is in contact with the top surface and the bottom surface of the movable plate.

[0012] As a preferred solution of the utility model, the side surface of the movable seat is in contact with the inner wall of the movable groove.

[0013] As a preferred solution of the utility model, a controller is fixedly installed on the front side of the material storage platform.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) In the utility model, the position of the rotating limit block is adjusted by the cooperation between the first screw rod and the movable plate, thereby adjusting the distance between the rotating limit block and the cutting body, and the movement of the steel pipe is detected and limited by the contact sensor, so as to adjust the cut length of the steel pipe. In addition, after the steel pipe is cut, the third motor is started to drive the rotating limit block to rotate ninety degrees, so as to release the fixation of the end of the steel pipe and allow the cut steel pipe to fall smoothly.

[0016] (2) In the utility model, the first V-shaped roller and the second V-shaped roller are used to support the steel pipe to be cut, the electric push rod is used to drive the extrusion wheel to move downward to extrude and limit the steel pipe, the cooperation between the second screw rod and the movable seat is used to drive the push block to move, and the push block is used to push the steel pipe, so as to push the steel pipe to be cut forward, thereby avoiding slipping of the steel pipe when moving, and improving its practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the material storage platform of the utility model;

[0019] Figure 3 It is a cross-sectional schematic diagram of the material storage platform of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the stacking platform of the utility model.

[0021] Description of the numbers in the figure:

[0022] 1. Material storage platform; 2. Material stacking platform; 3. Cutting body; 4. Material receiving trough; 5. Slide; 6. First screw rod; 7. Moving plate; 8. Rotation limit block; 9. Contact sensor; 10. Third motor; 11. First motor; 12. Material push trough; 13. Material push mechanism; 14. Material loading mechanism; 15. Moving trough; 16. Second screw rod; 17. Second motor; 18. Moving seat; 19. Push block; 20. Rotating frame; 21. First V-shaped roller; 22. Second V-shaped roller; 23. Material storage trough; 24. Electric hydraulic rod; 25. Push plate; 26. Controller; 27. L-shaped frame; 28. Electric push rod; 29. ​​Extrusion wheel. DETAILED DESCRIPTION

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings 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.

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] Example:

[0027] See also Figure 1-4 , a cutting length control mechanism of a steel pipe cutting machine, comprising a storage platform 1 and a stacking platform 2, a cutting body 3 is arranged between the storage platform 1 and the stacking platform 2, a loading mechanism 14 is arranged on the storage platform 1, a pushing trough 12 is arranged on the storage platform 1, a pushing mechanism 13 is arranged at the bottom of the pushing trough 12, a receiving trough 4 is arranged on the top surface of the stacking platform 2, a slide groove 5 is opened on the inner wall of the receiving trough 4, the inner cavity of the slide groove 5 is rotatably connected with a first screw rod 6, the outer side of the first screw rod 6 is threadedly sleeved with a moving plate 7, one end of the moving plate 7 extends to the inner cavity of the receiving trough 4 and is rotatably connected with a rotating limit block 8, a contact sensor 9 is fixedly installed on the side of the rotating limit block 8, a third motor 10 is fixedly installed on the top of the moving plate 7, the output shaft of the third motor 10 is connected to the top of the rotating shaft of the rotating limit block 8, a first motor 11 is fixedly installed at the end of the stacking platform 2, and the output shaft of the first motor 11 is connected to the end of the first screw rod 6.

[0028] For details, please refer to Figures 1 to 3The pushing mechanism 13 includes a moving groove 15 opened at the bottom of the inner cavity of the pushing groove 12 and a second V-shaped roller 22 rotatably connected to the inner cavity of the pushing groove 12, the inner cavity of the moving groove 15 is rotatably connected to the second screw rod 16, the outer side of the second screw rod 16 is threadedly sleeved with a moving seat 18, the top surface of the moving seat 18 is fixedly connected to a pushing block 19, the side of the pushing block 19 is fixedly connected to two rotating frames 20, a first V-shaped roller 21 is rotatably connected between the two rotating frames 20, the first V-shaped roller 21, the second V-shaped roller 22, the contact sensor 9 and the cutting position height of the cutting body 3 are adapted, and a second motor 17 is fixedly installed at the end of the storage platform 1, and the output shaft of the second motor 17 is connected to the end of the second screw rod 16.

[0029] In this embodiment, the first V-shaped roller 21 and the second V-shaped roller 22 are used to support the steel pipe so as to drive the steel pipe to move through the cutting machine body 3 to cut the steel pipe.

[0030] For details, please refer to Figure 1 and Figure 2 The feeding mechanism 14 includes a material storage trough 23 arranged on the material storage platform 1, an electric hydraulic rod 24 is fixedly installed on the inner wall of the material storage trough 23, and a push plate 25 is fixedly connected to the output end of the electric hydraulic rod 24.

[0031] In this embodiment, the electric hydraulic rod 24 is used to drive the push plate 25 to move upward step by step, and the push plate 25 is used to push the steel pipe on the storage tank 23 to move upward.

[0032] For details, please refer to Figure 2 The top surface of the material storage platform 1 is fixedly connected with an L-shaped frame 27, and an electric push rod 28 is fixedly installed on the top of the L-shaped frame 27. The output end of the electric push rod 28 is fixedly connected with an extrusion wheel 29, and the extrusion wheel 29 is located directly above the second V-shaped roller 22.

[0033] In this embodiment, the electric push rod 28 is used to drive the extrusion wheel 29 to move downward, so as to perform extrusion and position limiting on the steel pipe placed on the second V-shaped roller 22 and the first V-shaped roller 21 .

[0034] For details, please refer to Figure 4 The inner wall of the chute 5 is in contact with the top and bottom surfaces of the movable plate 7.

[0035] In this embodiment, the inner wall of the slide groove 5 is used to limit the movable plate 7 so that the movable plate 7 can only move along the axial direction of the first screw rod 6 .

[0036] For details, please refer to Figure 3 , the side surface of the movable seat 18 and the inner wall of the movable groove 15 are in contact with each other.

[0037] In this embodiment, the inner wall of the moving groove 15 is used to limit the moving seat 18 , so that the moving seat 18 can only move along the axial direction of the second screw rod 16 .

[0038] For details, please refer to Figure 1 A controller 26 is fixedly installed on the front of the material storage platform 1.

[0039] In this embodiment, the controller 26 is used to control the electric hydraulic rod 24 , the second motor 17 , the electric push rod 28 , the first motor 11 , and the third motor 10 , and simultaneously processes the information detected by the contact sensor 9 .

[0040] Working principle: When in use, first start the first motor 11 to drive the first screw rod 6 to rotate, use the threaded fit between the first screw rod 6 and the movable plate 7 to drive the movable plate 7 to move, use a steel tape measure to measure the distance between the cutting body 3 and the rotating limit block 8, so that the distance is equal to the length of the steel pipe cut, and then place the steel pipe to be cut on the storage trough 23, start the electric hydraulic rod 24 to drive the push plate 25 to move up, use the push plate 25 to push the top steel pipe on the storage trough 23 to fall onto the push trough 12, and use the first V-shaped roller 21 and the second V-shaped roller 22 to support the steel pipe, and then start the electric push rod 28 to drive the extrusion wheel 29 to move down, use the extrusion wheel 29 to extrude and fix the steel pipe, and start the second motor 17 to drive the first The second screw rod 16 rotates, and the cooperation between the second screw rod 16 and the moving seat 18 drives the moving seat 18 and the push block 19 to move. The push block 19 is used to push the steel pipe to move, so that the end of the steel pipe passes through the cutting body 3 and extends to the receiving trough 4. When the end of the steel pipe contacts the contact sensor 9 on the rotating limit block 8, the second motor 17 is turned off at this time to stop the movement of the steel pipe. Finally, the cutting body 3 is started to cut the steel pipe. After the steel pipe is cut, the third motor 10 is started to drive the rotating limit block 8 to rotate ninety degrees so that the cut steel pipe falls into the receiving trough 4. After the steel pipe falls, the third motor 10 is started to drive the rotating limit block 8 to reset, and the contact sensor 9 is used to limit the steel pipe again. In this way, continuous cutting is achieved.

[0041] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the utility model according to the technical solution and improved ideas of the utility model, which should be included in the protection scope of the utility model.

Claims

1. A cutting length control mechanism for a steel pipe cutting machine, comprising a material storage platform (1) and a material stacking platform (2), characterized in that: A cutting body (3) is arranged between the material storage platform (1) and the material stacking platform (2); a loading mechanism (14) is arranged on the material storage platform (1); a material pushing trough (12) is arranged on the material storage platform (1); a material pushing mechanism (13) is arranged at the bottom of the material pushing trough (12); a material receiving trough (4) is arranged on the top surface of the material stacking platform (2); a sliding groove (5) is arranged on the inner wall of the material receiving trough (4); a first screw rod (6) is rotatably connected to the inner cavity of the sliding groove (5); a movable screw rod (6) is threadedly sleeved on the outer side of the first screw rod (6) A plate (7), one end of the movable plate (7) extends to the inner cavity of the material receiving trough (4) and is rotatably connected to a rotating limit block (8), a contact sensor (9) is fixedly installed on the side of the rotating limit block (8), a third motor (10) is fixedly installed on the top of the movable plate (7), the output shaft of the third motor (10) is connected to the top of the rotating shaft of the rotating limit block (8), and a first motor (11) is fixedly installed at the end of the stacking platform (2), and the output shaft of the first motor (11) is connected to the end of the first screw rod (6).

2. The cutting length control mechanism of a steel pipe cutting machine according to claim 1, characterized in that: The pushing mechanism (13) comprises a movable groove (15) provided at the bottom of the inner cavity of the pushing groove (12) and a second V-shaped roller (22) rotatably connected to the inner cavity of the pushing groove (12); the inner cavity of the movable groove (15) is rotatably connected to a second screw rod (16); the outer side of the second screw rod (16) is threadedly sleeved with a movable seat (18); the top surface of the movable seat (18) is fixedly connected to a pushing block (19); the side surfaces of the pushing block (19) are fixedly connected to two rotating frames (20); a first V-shaped roller (21) is rotatably connected between the two rotating frames (20); the first V-shaped roller (21), the second V-shaped roller (22), the contact sensor (9) and the cutting position height of the cutting body (3) are matched; a second motor (17) is fixedly installed at the end of the material storage platform (1); the output shaft of the second motor (17) is connected to the end of the second screw rod (16).

3. The cutting length control mechanism of the steel pipe cutting machine according to claim 2, characterized in that: The feeding mechanism (14) comprises a material storage trough (23) arranged on the material storage platform (1), an electric hydraulic rod (24) is fixedly mounted on the inner wall of the material storage trough (23), and a push plate (25) is fixedly connected to the output end of the electric hydraulic rod (24).

4. The cutting length control mechanism of a steel pipe cutting machine according to claim 2, characterized in that: The top surface of the material storage platform (1) is fixedly connected to an L-shaped frame (27), the top of the L-shaped frame (27) is fixedly installed with an electric push rod (28), the output end of the electric push rod (28) is fixedly connected to an extrusion wheel (29), and the extrusion wheel (29) is located directly above the second V-shaped roller (22).

5. The cutting length control mechanism of a steel pipe cutting machine according to claim 1, characterized in that: The inner wall of the slide groove (5) is in contact with the top surface and the bottom surface of the movable plate (7).

6. The cutting length control mechanism of a steel pipe cutting machine according to claim 2, characterized in that: The side surface of the movable seat (18) is in contact with the inner wall of the movable groove (15).

7. The cutting length control mechanism of a steel pipe cutting machine according to claim 1, characterized in that: A controller (26) is fixedly mounted on the front side of the material storage platform (1).

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