Reinforcing steel bar cutting-off equipment for highway construction

By designing a synchronous motion device of multi-cutting knife driven by servo motor, the problem of low efficiency of existing steel bar cut-off devices is solved, efficient cut-off and flexible adjustment of multi-cut steel bars is achieved, and the efficiency of road construction is improved.

CN223197965UActive Publication Date: 2025-08-08NINGXIA GUHAI HIGHWAY MAINTENANCE CO LTD
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Patent Information

Application Number
CN202422508361.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-17
Publication Date
2025-08-08
Estimated Expiration
2034-10-17

AI Technical Summary

Technical Problem

The existing steel bar cutoff device can only cut the steel bar into two pieces at a time, which is low in efficiency and cannot meet the demand for multi-section steel bars in highway construction.

Method used

A steel bar cutoff equipment for highway construction is designed. Through the cooperation of servo motor, screw rod, slide rod, cutting knife and clamp, multiple cutting knives can be synchronized, and the steel bar can be cut into multiple cuts of the same length at a time, and the cutoff length can be flexibly adjusted.

Benefits of technology

The efficiency of steel bar cutoff is improved, efficient cutoff of multi-cut steel bars is achieved, and the cutoff length can be flexibly adjusted according to requirements, improving the practicality of the equipment.

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Abstract

The utility model relates to the technical field of steel bar cutting, in particular to steel bar cutting equipment for highway construction, which comprises a bottom plate, supporting rods are fixedly connected to four corners of the upper end face of the bottom plate, a top plate is fixedly connected to the upper end faces of the four supporting rods, and a first electric push rod is mounted on the upper end face of the top plate. A door-shaped frame is fixedly connected to the output end of the first electric push rod, a first sliding rod is fixedly connected between the left end face and the right end face in the door-shaped frame, a plurality of first sliding blocks are slidably connected to the outer wall of the first sliding rod, and first mounting plates are fixedly connected to the lower end faces of the first sliding blocks; through cooperation of a servo motor, a lead screw, a first sliding rod, a threaded sleeve, a telescopic hinge frame, a connecting rod, a second sliding rod, a sleeve, a third sliding rod, a second sliding block and a sliding plate, a plurality of cutting knives and clamping plates can be driven to synchronously move left and right, a reinforcing steel bar can be cut into multiple sections with the same length at a time through the cutting knives, the cutting length of the reinforcing steel bar can be flexibly adjusted, and practicability is high.
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Description

Technical Field

[0001] The utility model relates to the technical field of steel bar cutting, and particularly discloses a steel bar cutting device for highway construction. Background Art

[0002] A large amount of construction equipment will be invested in highway construction, and steel bar cutting equipment is one of the very important equipment. A steel bar cutting machine is a tool used to cut steel bars. It is divided into fully automatic steel bar cutting machines and semi-automatic steel bar cutting machines. It is mainly used for cutting steel bars to a fixed length in civil engineering projects. It is an indispensable equipment in the steel bar processing link. Compared with other cutting equipment, it has the advantages of light weight, low energy consumption, reliable operation and high efficiency. Therefore, it has been widely used in the field of mechanical processing and has played an important role in the process of national economic construction. Steel bars mainly bear tensile stress in concrete. Due to the effect of ribs, deformed steel bars have a greater bonding ability with concrete, so they can better withstand the effects of external forces and are widely used in various building structures.

[0003] During highway construction, a lot of steel bars are needed. The steel bars transported from the factory to the construction site are all very long and need to be cut by construction workers according to their needs. The existing steel bar cutting device can only cut the steel bar into two parts at a time, which is inefficient. Therefore, a steel bar cutting device for highway construction is needed to solve this problem. Utility Model Content

[0004] The utility model provides a steel bar cutting device for highway construction, which can cut the steel bar into multiple sections of the same length at one time through multiple cutting knives, and can flexibly adjust the cutting length of the steel bar, thereby having strong practicality.

[0005] The utility model is implemented as follows: a steel bar cutting device for highway construction comprises a bottom plate, the four corners of the upper end surface of the bottom plate are fixedly connected to support rods, the upper end surfaces of the four support rods are fixedly connected to a top plate, the upper end surface of the top plate is installed with a first electric push rod, the output end of the first electric push rod extends to the bottom of the top plate and is fixedly connected to a portal frame, a first sliding rod is fixedly connected between the left and right end surfaces inside the portal frame, the outer wall of the first sliding rod is slidably connected to a plurality of evenly distributed first sliding blocks, and the lower end surfaces of the plurality of first sliding blocks are fixedly connected to a first installation rod. The mounting plate, the right end surfaces of the plurality of first mounting plates are all equipped with driving motors, the output ends of the plurality of driving motors respectively extend to the left sides of the plurality of first mounting plates and are fixedly connected with cutting knives, a screw rod is rotatably connected between the left and right end surfaces inside the portal frame, the outer walls of the plurality of first sliding blocks are penetrated by a through hole for the screw rod to pass through, a threaded sleeve is fixedly connected in the through hole located on the leftmost side, the screw rod is threadedly connected to the threaded sleeve, the upper end surfaces of the plurality of first sliding blocks are movably connected with a telescopic hinge bracket, and the right end of the telescopic hinge bracket is rotatably connected to the upper end surface inside the portal frame;

[0006] The front and rear end surfaces of the plurality of first sliders are fixedly connected to a connecting rod, the lower end surfaces of the plurality of connecting rods are fixedly connected to the second sliding rod, the bottom plate, the interior of the two slide grooves are fixedly connected to a third sliding rod, the outer walls of the two third sliding rods are fixedly connected to a plurality of evenly distributed second sliders, the upper end surfaces of the plurality of second sliders are fixedly connected to the slide plate, the upper end surfaces of the plurality of slide plates are fixedly connected to the sleeve, the plurality of sleeves are respectively slidably connected to the plurality of second sliding rods, the upper end surfaces of the plurality of slide plates are fixedly connected to the second mounting plates, the outer walls of the plurality of second mounting plates are installed with second electric push rods, and the output ends of the plurality of second electric push rods extend to the other side of the second mounting plate and are fixedly connected to the splint.

[0007] In order to facilitate the driving of the screw rod to rotate, as a preferred embodiment of the present invention of a steel bar cutting device for highway construction, a servo motor is installed on the right end face of the portal frame, and the output end of the servo motor is fixedly connected to the screw rod.

[0008] In order to facilitate the positioning of the steel bars, as a preferred embodiment of the steel bar cutting device for highway construction of the present invention, a baffle is fixedly connected to the right side of the upper end surface of the base plate.

[0009] In order to facilitate determination of the cutting length, as a preferred embodiment of the present invention of a steel bar cutting device for highway construction, a scale is provided on the front end surface of the portal frame.

[0010] In order to facilitate the stable up and down movement of the portal frame, as a preferred embodiment of the present invention of a steel bar cutting device for highway construction, the upper end surface of the portal frame is fixedly connected to two symmetrically distributed limit rods, and the two limit rods are both slidably connected to the top plate.

[0011] In order to facilitate the control of the equipment, as a preferred embodiment of the present invention, a steel bar cutting device for highway construction is provided with a controller on the outer wall of one of the support rods, and the first electric push rod, servo motor, drive motor and second electric push rod are all electrically connected to the controller.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] This type of steel bar cutting equipment for highway construction can drive multiple cutting knives and splints to move left and right synchronously through the cooperation of a servo motor, a screw rod, a first sliding rod, a threaded sleeve, a telescopic hinge, a connecting rod, a second sliding rod, a sleeve, a third sliding rod, a second sliding block and a slide plate. The multiple cutting knives can cut the steel bar into multiple pieces of the same length at one time, and the cutting length of the steel bar can be flexibly adjusted, which is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1This is the overall structure diagram of a steel bar cutting device for highway construction according to the utility model;

[0015] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;

[0016] Figure 3 This is a top view of the bottom plate of the utility model;

[0017] Figure 4 It is a structural diagram of the skateboard of the present utility model.

[0018] In the figure, 1. bottom plate; 2. support rod; 3. top plate; 4. first electric push rod; 5. portal frame; 6. screw rod; 7. first slide rod; 8. first slider; 9. servo motor; 10. first mounting plate; 11. drive motor; 12. cutting knife; 13. connecting rod; 14. second slide rod; 15. slide groove; 16. third slide rod; 17. second slider; 18. slide plate; 19. sleeve; 20. second mounting plate; 21. second electric push rod; 22. splint; 23. telescopic hinge; 24. threaded sleeve; 25. baffle; 26. scale; 27. controller; 28. limit rod. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0020] In the description of the present invention, it should be understood that the terms "length," "width," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," "outside," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

[0021] See also Figure 1-4A steel bar cutting device for highway construction includes a bottom plate 1, the four corners of the upper end surface of the bottom plate 1 are fixedly connected to support rods 2, the upper end surfaces of the four support rods 2 are fixedly connected to a top plate 3, the upper end surface of the top plate 3 is installed with a first electric push rod 4, the output end of the first electric push rod 4 extends to the bottom of the top plate 3 and is fixedly connected to a door frame 5, a first slide bar 7 is fixedly connected between the left and right end surfaces inside the door frame 5, the outer wall of the first slide bar 7 is slidably connected to a plurality of evenly distributed first sliders 8, the lower end surfaces of the plurality of first sliders 8 are fixedly connected to a first mounting plate 10, and the plurality of first mounting The right end surface of the plate 10 is installed with a drive motor 11, and the output ends of the multiple drive motors 11 extend to the left sides of the multiple first mounting plates 10 and are fixedly connected to the cutting blades 12. The left and right end surfaces inside the door frame 5 are rotatably connected with the screw rod 6. The outer walls of the multiple first sliders 8 are penetrated by a through hole for the screw rod 6 to pass through. The threaded sleeve 24 is fixedly connected to the through hole on the leftmost side, and the screw rod 6 is threadedly connected to the threaded sleeve 24. The upper end surfaces of the multiple first sliders 8 are movably connected with a telescopic hinge 23, and the right end of the telescopic hinge 23 is rotatably connected to the upper end surface inside the door frame 5;

[0022] The front and rear end surfaces of the plurality of first sliders 8 are fixedly connected to connecting rods 13, and the lower end surfaces of the plurality of connecting rods 13 are fixedly connected to second sliders 14. The upper end surface of the base plate 1 is provided with two symmetrically distributed sliding grooves 15, and the interiors of the two sliding grooves 15 are fixedly connected to third sliders 16. The outer walls of the two third sliders 16 are fixedly connected to a plurality of evenly distributed second sliders 17. The upper end surfaces of the plurality of second sliders 17 are fixedly connected to slide plates 18, and the upper end surfaces of the plurality of slide plates 18 are fixedly connected to sleeves 19. The plurality of sleeves 19 are respectively slidably connected to the plurality of second sliders 14. The upper end surfaces of the plurality of slide plates 18 are fixedly connected to a second mounting plate 20. The outer walls of the plurality of second mounting plates 20 are mounted with second electric push rods 21. The output ends of the plurality of second electric push rods 21 extend to the other side of the second mounting plate 20 and are fixedly connected to a clamping plate 22.

[0023] In this embodiment: start the servo motor 9, the servo motor 9 drives the screw rod 6 to rotate, and then drives the leftmost first slider 8 to move left and right along the first slide bar 7 through the threaded sleeve 24, and then drives the remaining first sliders 8 to move left and right synchronously along the first slide bar 7 through the telescopic hinge 23, thereby adjusting the spacing between the multiple cutting knives 12 to facilitate cutting the steel bars into different lengths. When the first slider 8 moves left and right, it further drives the second slide bar 14 to move left and right through the connecting rod 13, and then drives the sleeve 19 to move left and right. The sleeve 19 further drives the second slider 17 to slide left and right along the third slide bar 16 through the slide plate 18, and then drives the second electric push rod 21 and the clamping plate 22 to move left and right. The multiple clamping plates 22 move with the cutting knife 12, so as to facilitate clamping the steel bars firmly.

[0024] As a technical optimization solution of the present invention, a servo motor 9 is installed on the right end face of the door frame 5 , and the output end of the servo motor 9 is fixedly connected to the screw rod 6 .

[0025] In this embodiment, the screw rod 6 is driven to rotate by the servo motor 9, which saves time and effort.

[0026] As a technical optimization solution of the present invention, a baffle 25 is fixedly connected to the right side of the upper end surface of the bottom plate 1 .

[0027] In this embodiment, the baffle 25 is provided to facilitate the positioning of the right end of the steel bar. The right end of the steel bar is placed against the left end of the baffle 25 to facilitate the measurement of the cutting length.

[0028] As a technical optimization solution of the present invention, a scale 26 is provided on the front end surface of the portal frame 5 .

[0029] In this embodiment, a scale 26 is provided on the front end surface of the portal frame 5 to facilitate determination of the cutting length of the steel bars.

[0030] As a technical optimization solution of the present invention, two symmetrically distributed limiting rods 28 are fixedly connected to the upper end surface of the portal frame 5 , and the two limiting rods 28 are both slidably connected to the top plate 3 .

[0031] In this embodiment, the portal frame 5 is limited by the limiting rod 28, so that the portal frame 5 can move up and down stably.

[0032] As a technical optimization solution of the present invention, a controller 27 is provided on the outer wall of one of the support rods 2 , and the first electric push rod 4 , the servo motor 9 , the drive motor 11 and the second electric push rod 21 are all electrically connected to the controller 27 .

[0033] In this embodiment, the device is controlled by the controller 27, which saves time and effort and improves the degree of automation.

[0034] The working principle and use process of the present invention are as follows: when in use, first place the steel bar to be cut on the bottom plate 1, and make the right end of the steel bar rest against the left end surface of the baffle 25, then start the servo motor 9, the servo motor 9 drives the screw rod 6 to rotate, and then drives the leftmost first slider 8 to move left and right along the first slide rod 7 through the threaded sleeve 24, and then drives the remaining first sliders 8 to move left and right along the first slide rod 7 synchronously through the telescopic hinge 23, so as to adjust the spacing between the multiple cutting knives 12, and when the first slider 8 moves left and right, it further drives the second slide rod 14 to move left and right through the connecting rod 13, and then drives the sleeve 19 left and right Move, the sleeve 19 further drives the second slider 17 to slide left and right along the third slide rod 16 through the slide plate 18, and then drives the second electric push rod 21 and the splint 22 to move left and right. After adjusting the spacing between the cutting knives 12 to an appropriate level, multiple second electric push rods 21 are started synchronously, and multiple second electric push rods 21 drive the splints 22 on the front and rear sides to move relative to each other, clamping the steel bars and fixing them. Then, multiple drive motors 11 are started, and the drive motor 11 drives the cutting knife 12 to rotate. At the same time, the first electric push rod 4 is started, and the first electric push rod 4 drives the portal frame 5 to move downward, thereby driving the cutting knife 12 to move downward to cut the steel bars.

[0035] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A steel bar cutting device for highway construction, comprising a base plate (1), characterized in that: The four corners of the upper end surface of the bottom plate (1) are fixedly connected to support rods (2), the upper end surfaces of the four support rods (2) are fixedly connected to the top plate (3), the upper end surface of the top plate (3) is installed with a first electric push rod (4), the output end of the first electric push rod (4) extends to the bottom of the top plate (3) and is fixedly connected to a door frame (5), a first slide rod (7) is fixedly connected between the left and right end surfaces inside the door frame (5), the outer wall of the first slide rod (7) is slidably connected to a plurality of evenly distributed first sliding blocks (8), the lower end surfaces of the plurality of first sliding blocks (8) are fixedly connected to a first mounting plate (10), and the right end surfaces of the plurality of first mounting plates (10) are all fixedly connected. A driving motor (11) is installed, and the output ends of the plurality of driving motors (11) respectively extend to the left sides of the plurality of first mounting plates (10) and are fixedly connected to the cutting blades (12). A screw rod (6) is rotatably connected between the left and right end surfaces inside the portal frame (5). The outer walls of the plurality of first sliding blocks (8) are penetrated by a through hole for the screw rod (6) to pass through. A threaded sleeve (24) is fixedly connected in the through hole on the leftmost side. The screw rod (6) is threadedly connected to the threaded sleeve (24). The upper end surfaces of the plurality of first sliding blocks (8) are movably connected to a telescopic hinge (23), and the right end of the telescopic hinge (23) is rotatably connected to the upper end surface inside the portal frame (5); The front and rear end surfaces of the plurality of first sliders (8) are fixedly connected to connecting rods (13), the lower end surfaces of the plurality of connecting rods (13) are fixedly connected to second sliders (14), the upper end surface of the base plate (1) is provided with two symmetrically distributed sliding grooves (15), the interiors of the two sliding grooves (15) are fixedly connected to third sliders (16), the outer walls of the two third sliders (16) are fixedly connected to a plurality of evenly distributed second sliders (17), the upper end surfaces of the plurality of second sliders (17) are fixedly connected to the outer walls of the plurality of second sliders (17). A slide plate (18) is connected, and the upper end surfaces of the plurality of slide plates (18) are fixedly connected with a sleeve (19), and the plurality of sleeves (19) are respectively slidably connected with a plurality of second slide bars (14), and the upper end surfaces of the plurality of slide plates (18) are fixedly connected with a second mounting plate (20), and the outer walls of the plurality of second mounting plates (20) are installed with a second electric push rod (21), and the output ends of the plurality of second electric push rods (21) extend to the other side of the second mounting plate (20) and are fixedly connected with a clamping plate (22).

2. A steel bar cutting device for highway construction according to claim 1, characterized in that: A servo motor (9) is installed on the right end surface of the portal frame (5), and the output end of the servo motor (9) is fixedly connected to the screw rod (6).

3. The steel bar cutting device for highway construction according to claim 1, characterized in that: A baffle (25) is fixedly connected to the right side of the upper end surface of the bottom plate (1).

4. The steel bar cutting device for highway construction according to claim 1, characterized in that: The front end surface of the portal frame (5) is provided with a scale (26).

5. The steel bar cutting device for highway construction according to claim 1, characterized in that: Two symmetrically distributed limiting rods (28) are fixedly connected to the upper end surface of the portal frame (5), and the two limiting rods (28) are both slidably connected to the top plate (3).

6. The steel bar cutting device for highway construction according to claim 2, characterized in that: A controller (27) is provided on the outer wall of one of the support rods (2), and the first electric push rod (4), the servo motor (9), the drive motor (11) and the second electric push rod (21) are all electrically connected to the controller (27).