Steel bar fixed-length cutting device
By designing a fixed-length cutting device for steel bars with rotating handles and screws, the problem of inaccurate control of cutting length in the prior art is solved, and efficient and accurate steel bars are achieved.
Patent Information
- Application Number
- CN202421758955.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-23
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-23
AI Technical Summary
Existing steel bar cutting devices cannot accurately control the cutting length, resulting in waste of materials and inefficient cutting efficiency.
A fixed-length cutting device for steel bars is designed to drive the screw to rotate and move the connecting plate and positioning plate through rotating the handle to ensure that the length of the steel bars cut is consistent and the cutting accuracy is improved.
Accurate control of the cutting length of steel bars is achieved, reducing material waste, and improving cutting efficiency and accuracy.
Smart Images

Figure CN222790489U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel bar processing, in particular to a steel bar fixed-length cutting device. Background Art
[0002] Rebar is a commonly used building material, usually made of steel, with high strength and toughness. When building a bridge, the rebar needs to be cut into appropriate lengths to adapt to the shape and size of the bridge, so a cutting device is needed.
[0003] The existing steel bar cutting device includes a cutting motor and a grinding wheel. With the cooperation of the cutting motor, the grinding wheel can be driven to operate to achieve the cutting and truncation operation of the steel bar.
[0004] The existing cutting devices still have some problems. In practical applications, the cutting length cannot be accurately controlled, resulting in material waste. In addition, it is inconvenient to control the timing of cutting during the cutting operation, which reduces the cutting efficiency of the steel bars. Therefore, a steel bar fixed-length cutting device is proposed to address the above problems. Utility Model Content
[0005] In order to make up for the deficiencies of the prior art and solve the problems raised in the background technology, the utility model provides a fixed-length cutting device for steel bars.
[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: a steel bar fixed-length cutting device described in the utility model comprises a main board, two groups of support plates in number are symmetrically installed on the top side of the main board, a guide rod is fixedly connected between one group of support plates, a screw rod is rotatably installed between the other group of support plates, a handle is installed at one end of the screw rod, a connecting plate is cooperatively installed on the outer walls of the screw rod and the guide rod, a positioning plate is installed on the top side of the connecting plate, a positioning groove is provided inside the positioning plate, an electrode ring is installed on one side of the positioning groove, a sliding rod is slidably installed inside the positioning plate, a limiting block is fixedly connected to one side of the sliding rod, a spring is fixedly connected between the limiting block and the positioning plate, the spring is sleeved on the outer wall of the sliding rod, a positioning block matched with the positioning groove is fixedly connected to the other end of the sliding rod, an electric sheet is installed on one side of the positioning block, the distance between the positioning block and the electric sheet and the electrode ring is equal to the depth of the positioning groove, thereby ensuring that the length of the steel bar cut each time is consistent, improving the cutting accuracy, and being able to accurately control the cutting accuracy.
[0007] Preferably, the top side of the main board is equidistantly engraved with scale lines, and the bottom side of the positioning plate is fixedly connected with an indicator needle, which provides an intuitive visual reference for the operator and improves the accuracy of cutting.
[0008] Preferably, a support seat is fixedly connected to the other end of the top side of the main board, a placement groove is opened inside the support seat, a mounting frame is installed on the top side of the support seat, a telescopic rod is installed on the top side of the mounting frame, and an arc plate is installed on the active end of the telescopic rod, which can firmly fix the steel bars to prevent the steel bars from moving or shaking during the cutting process, thereby ensuring smooth cutting and a smooth cutting surface.
[0009] Preferably, an L-shaped frame is installed at the top edge of the main board, a cylinder is installed on the top side of the L-shaped frame, a fixed frame is installed on the active end of the cylinder, a cutting motor is installed on one side of the fixed frame, a cutter is installed on the output end of the cutting motor, the cutter is located inside the fixed frame, and the distance between the cutter and the positioning plate is equal to the cutting length of the steel bar, thereby achieving fast and accurate cutting of the steel bar and ensuring cutting efficiency and quality.
[0010] Preferably, a water collecting tank is installed on one side of the L-shaped frame, a filter is installed inside the collecting water tank, a dust suction pipe is installed running through the inside of the collecting water tank, one end of the dust suction pipe extends to the bottom side of the filter and contacts with the water in the collecting water tank, the other end of the dust suction pipe is connected to a dust hood, a negative pressure motor is installed on one side of the dust suction pipe, a fan blade is installed on the output end of the negative pressure motor, an exhaust pipe is connected to one side of the top of the collecting water tank, a protective door is hinged on one side of the collecting water tank, and a handle is fixed on one side of the protective door, thereby realizing the centralized collection of cutting waste and avoiding pollution to the working environment.
[0011] Preferably, a control panel is installed on one side of the support base, and the control panel is electrically connected to the electrode ring and the electric sheet as well as the telescopic rod, the cylinder and the cutting motor, and is used for signal transmission to the electrode ring and the electric sheet, and for operational control of the cylinder and the cutting motor, thereby realizing centralized control of the entire cutting process and improving the degree of automation of the equipment.
[0012] The utility model is beneficial in that:
[0013] 1. The utility model drives the screw rod to rotate by rotating the handle, so that the connecting plate can move along the direction of the screw rod and the guide rod. The movement of the connecting plate drives the positioning plate to move, thereby determining the length of the cut steel bar. When one end of the steel bar contacts the positioning block, it will push the positioning block to move into the positioning groove, and make the slide bar slide in the positioning plate, stretching the spring. The positioning block will drive the electric sheet to contact the electrode ring to generate an electrical signal. The control panel will turn on the telescopic rod, cylinder and cutting motor, ensuring that the length of the steel bar cut each time is consistent, improving the cutting accuracy, and being able to accurately control the cutting accuracy;
[0014] 2. When the negative pressure motor of the utility model is started, the fan blades at the output end rotate at a high speed, generating negative pressure in the dust suction pipe. Under the action of negative pressure, dust and debris are sucked into the dust suction pipe through the dust suction hood, and the airflow containing dust and debris enters the collection water tank. After preliminary filtration and adsorption by water and interception by the filter net, the waste chips during cutting are retained in the collection water tank, and clean gas is discharged from the exhaust pipe, thereby realizing the centralized collection of cutting waste chips and avoiding pollution to the working environment. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0016] Figure 1 This is a schematic diagram of the structure of the medium axis side view of the utility model;
[0017] Figure 2 It is a schematic diagram of the main structure of the cutting device;
[0018] Figure 3 It is a schematic diagram of the structure of the fixed-length cutting component;
[0019] Figure 4 It is a schematic diagram of the cut-to-length and fixed component structure;
[0020] Figure 5 Schematic diagram of the cutting component and waste recycling component structure.
[0021] In the figure: 1. main board; 2. support plate; 3. guide rod; 4. screw rod; 5. handle; 6. connecting plate; 7. positioning plate; 8. positioning slot; 9. electrode ring; 10. slide bar; 11. limit block; 12. spring; 13. positioning block; 14. electrode; 15. scale line; 16. indicator needle; 17. support seat; 18. placement slot; 19. mounting frame; 20. telescopic rod; 21. arc plate; 22. L-shaped frame; 23. cylinder; 24. fixing frame; 25. cutting motor; 26. cutter; 27. water collection tank; 28. filter screen; 29. dust suction pipe; 30. dust suction hood; 31. negative pressure motor; 32. fan blade; 33. exhaust pipe; 34. protective door; 35. handle; 36. control panel. 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 1-4 As shown, a fixed-length cutting device for steel bars comprises a main board 1, two groups of support plates 2 are symmetrically installed on the top side of the main board 1, a guide rod 3 is fixedly connected between one group of support plates 2, a screw rod 4 is rotatably installed between the other group of support plates 2, a handle 5 is installed at one end of the screw rod 4, a connecting plate 6 is matched and installed on the outer wall of the screw rod 4 and the guide rod 3, a positioning plate 7 is installed on the top side of the connecting plate 6, a positioning groove 8 is opened inside the positioning plate 7, and a screw rod 4 is installed on one side of the positioning groove 8. Electrode ring 9, a slide bar 10 is slidably installed inside the positioning plate 7, a limit block 11 is fixedly connected to one side of the slide bar 10, a spring 12 is fixedly connected between the limit block 11 and the positioning plate 7, the spring 12 is sleeved on the outer wall of the slide bar 10, a positioning block 13 matched with the positioning groove 8 is fixedly connected to the other end of the slide bar 10, an electric sheet 14 is installed on one side of the positioning block 13, scale lines 15 are equidistantly engraved on the top side of the main board 1, an indicator needle 16 is fixedly connected to the bottom side of the positioning plate 7, and the support A control panel 36 is installed on one side of the support seat 17; when working, in actual application, the cutting length cannot be accurately controlled, resulting in waste of materials, and it is inconvenient to control the timing of cutting during the cutting operation, which will reduce the cutting efficiency of the steel bars. The screw rod 4 is driven to rotate by rotating the handle 5, so that the connecting plate 6 can move along the direction of the screw rod 4 and the guide rod 3. The movement of the connecting plate 6 drives the positioning plate 7 to move, and the indicator needle 16 will point to the scale line 15, so as to accurately adjust the position of the positioning plate 7, thereby determining the length of the cut steel bar. When one end of the steel bar contacts the positioning block 13, the positioning block 13 will be pushed to move inside the positioning groove 8, and the sliding rod 10 will slide in the positioning plate 7, stretching the spring 12, and the positioning block 13 will drive the electric sheet 14 to approach the electrode ring 9 and contact it to generate an electrical signal, which is transmitted to the control panel 36, and the telescopic rod 20, the cylinder 23 and the cutting motor 25 are turned on at the same time, ensuring that the length of the steel bar cut each time is consistent, improving the cutting accuracy, and being able to accurately control the cutting accuracy.
[0024] See also Figure 1 , 2As shown in FIG. 4 , a support seat 17 is fixedly connected to the other end of the top side of the main board 1, a placement groove 18 is provided inside the support seat 17, a mounting frame 19 is installed on the top side of the support seat 17, a telescopic rod 20 is installed on the top side of the mounting frame 19, an arc plate 21 is installed on the active end of the telescopic rod 20, an L-shaped frame 22 is installed at the top side edge of the main board 1, a cylinder 23 is installed on the top side of the L-shaped frame 22, a fixing frame 24 is installed on the active end of the cylinder 23, a cutting motor 25 is installed on one side of the fixing frame 24, and the output end of the cutting motor 25 is installed There is a cutter 26; when working, when building a bridge, it is necessary to cut the steel bars into a suitable length to adapt to the shape and size of the bridge. The telescopic rod 20 is extended, and the arc plate 21 at its active end is pressed down to press the steel bars tightly in the placement groove 18 to prevent the steel bars from jumping or shifting during the cutting process. At the same time, the cylinder 23 is started, and its active end pushes the fixed frame 24 to move, so that the cutting motor 25 moves accordingly. The output end of the cutting motor 25 drives the cutter 26 to rotate at a high speed. Since the distance between the cutter 26 and the positioning plate 7 is pre-set as the cutting length of the steel bars, when the cutter 26 accurately cuts the steel bars.
[0025] See also Figure 1 , 2 As shown in Figure 5, a water collection tank 27 is installed on one side of the L-shaped frame 22, a filter screen 28 is installed inside the water collection tank 27, a dust suction pipe 29 is installed inside the water collection tank 27, one end of the dust suction pipe 29 extends to the bottom side of the filter screen 28 and contacts the water in the water collection tank 27, and the other end of the dust suction pipe 29 is connected to a dust suction cover 30, a negative pressure motor 31 is installed on one side of the dust suction pipe 29, a fan blade 32 is installed on the output end of the negative pressure motor 31, an exhaust pipe 33 is connected to one side of the top of the water collection tank 27, a protective door 34 is hinged on one side of the water collection tank 27, and a handle 35 is fixed on one side of the protective door 34; when working, in the long-term steel bar cutting operation, it is necessary to effectively To absorb the waste generated by cutting and keep the working environment clean, during the cutting process, the negative pressure motor 31 is started, and the fan blades 32 at its output end rotate at high speed, generating negative pressure in the dust suction pipe 29. Under the action of negative pressure, dust and debris are sucked into the dust suction pipe 29 through the dust suction hood 30, and the air flow containing dust and debris enters the collection water tank 27. After preliminary filtration and adsorption by water and interception by the filter net 28, the waste chips during cutting are left in the collection water tank 27, and the clean gas is discharged from the exhaust pipe 33. When the dust and debris in the collection water tank 27 accumulate to a certain extent, the protective door 34 can be opened by holding the handle 35 to clean and maintain the inside of the collection water tank 27, thereby realizing the centralized collection of cutting waste and avoiding pollution to the working environment.
[0026] Working principle: by rotating the handle 5, the screw rod 4 is driven to rotate, so that the connecting plate 6 can move along the direction of the screw rod 4 and the guide rod 3. The movement of the connecting plate 6 drives the positioning plate 7 to move, and the indicator needle 16 will point to the scale line 15, so as to accurately adjust the position of the positioning plate 7, thereby determining the length of the cut steel bar. When one end of the steel bar contacts the positioning block 13, the positioning block 13 will be pushed to move inside the positioning groove 8, and the sliding rod 10 will slide in the positioning plate 7, stretching the spring 12. The positioning block 13 will drive the electric sheet 14 to approach the electrode ring 9 and contact it to generate an electrical signal, which is transmitted to the control panel 36, and the telescopic rod 20, the cylinder 23 and the cutting motor 25 are turned on at the same time, ensuring that the length of the steel bar cut each time is consistent, improving the cutting accuracy, and being able to accurately control the cutting accuracy;
[0027] The telescopic rod 20 is extended, and the arc plate 21 at its active end is pressed down to press the steel bar tightly in the placement groove 18 to prevent the steel bar from jumping or shifting during the cutting process. At the same time, the cylinder 23 is started, and its active end pushes the fixing frame 24 to move, so that the cutting motor 25 moves accordingly. The output end of the cutting motor 25 drives the cutter 26 to rotate at a high speed. Since the distance between the cutter 26 and the positioning plate 7 is pre-set as the cutting length of the steel bar, when the cutter 26 accurately cuts the steel bar;
[0028] During the cutting process, the negative pressure motor 31 is started, and the fan blades 32 at its output end rotate at high speed, generating negative pressure in the dust suction pipe 29. Under the action of negative pressure, dust and debris are sucked into the dust suction pipe 29 through the dust suction hood 30, and the airflow containing dust and debris enters the collection water tank 27. After preliminary filtration and adsorption by water and interception by the filter screen 28, the waste chips during cutting are left in the collection water tank 27, and the clean gas is discharged from the exhaust pipe 33. When the dust and debris in the collection water tank 27 accumulate to a certain extent, the protective door 34 can be opened by holding the handle 35, and the inside of the collection water tank 27 can be cleaned and maintained, thereby realizing the centralized collection of cutting waste and avoiding pollution to the working environment.
[0029] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A steel bar fixed length cutting device, characterized in that: The invention comprises a main board (1), wherein two groups of support plates (2) are symmetrically mounted on the top side of the main board (1), wherein a guide rod (3) is fixedly connected between one group of support plates (2), and a screw rod (4) is rotatably mounted between the other group of support plates (2), wherein a handle (5) is mounted on one end of the screw rod (4), and a connecting plate (6) is mounted on the outer wall of the screw rod (4) and the guide rod (3), and a positioning plate (7) is mounted on the top side of the connecting plate (6), and a positioning groove (8) is provided inside the positioning plate (7), and an electrode ring (9) is mounted on one side of the positioning groove (8). A slide bar (10) is slidably installed inside the positioning plate (7), a limit block (11) is fixedly connected to one side of the slide bar (10), a spring (12) is fixedly connected between the limit block (11) and the positioning plate (7), the spring (12) is sleeved on the outer wall of the slide bar (10), a positioning block (13) matched with the positioning groove (8) is fixedly connected to the other end of the slide bar (10), an electric sheet (14) is installed on one side of the positioning block (13), and the distance between the positioning block (13) and the electric sheet (14) and the electrode ring (9) is equal to the depth of the positioning groove (8).
2. A steel bar cutting device according to claim 1, characterized in that: The top side of the main board (1) is engraved with scale lines (15) at equal intervals, and the bottom side of the positioning plate (7) is fixedly connected with an indicator needle (16).
3. A steel bar cutting device according to claim 2, characterized in that: The other end of the top side of the main board (1) is fixedly connected to a support seat (17), a placement groove (18) is provided inside the support seat (17), a mounting frame (19) is installed on the top side of the support seat (17), a telescopic rod (20) is installed on the top side of the mounting frame (19), and an arc plate (21) is installed on the active end of the telescopic rod (20).
4. A steel bar cutting device according to claim 3, characterized in that: An L-shaped frame (22) is installed at the top side edge of the main board (1), a cylinder (23) is installed on the top side of the L-shaped frame (22), a fixing frame (24) is installed at the action end of the cylinder (23), a cutting motor (25) is installed on one side of the fixing frame (24), a cutter (26) is installed at the output end of the cutting motor (25), the cutter (26) is located inside the fixing frame (24), and the distance between the cutter (26) and the positioning plate (7) is equal to the cutting length of the steel bar.
5. A steel bar cutting device according to claim 4, characterized in that: A water collection tank (27) is installed on one side of the L-shaped frame (22), a filter screen (28) is installed inside the water collection tank (27), a dust suction pipe (29) is installed through the inside of the water collection tank (27), one end of the dust suction pipe (29) extends to the bottom side of the filter screen (28) and contacts with the water in the water collection tank (27), the other end of the dust suction pipe (29) is connected to a dust suction hood (30), a negative pressure motor (31) is installed on one side of the dust suction pipe (29), a fan blade (32) is installed at the output end of the negative pressure motor (31), an exhaust pipe (33) is connected to one side of the top end of the water collection tank (27), a protective door (34) is hinged on one side of the water collection tank (27), and a handle (35) is fixedly connected to one side of the protective door (34).
6. A steel bar cutting device according to claim 3, characterized in that: A control panel (36) is installed on one side of the support base (17). The control panel (36) is electrically connected to the electrode ring (9) and the electric sheet (14) as well as the telescopic rod (20), the cylinder (23) and the cutting motor (25), and is used for signal transmission between the electrode ring (9) and the electric sheet (14), and for operating and controlling the cylinder (23) and the cutting motor (25).