Building construction steel bar cutting device

Abstract

The utility model provides a building construction reinforcing steel bar cutting device relates to reinforcing steel bar processing field, including cutting blade, protective cover and shell, the shell is fixed on one side outer surface of protective cover, the middle part of protective cover is rotatingly connected with the rotating shaft through the bearing, the one end of rotating shaft located in protective cover is equipped with the cutting blade, and the cutting blade is equipped with the protective cover. And the other end of the rotating shaft is rotationally connected to the shell through a bearing, and a driving assembly for driving the cutting blade to rotate is arranged in the shell. By arranging the protective cover, the shell, the grip and the driving assembly, the cutting device is compact in structure and small in size, a worker can carry the cutting device at will, the to-be-cut part of the reinforcing steel bar is clamped into a cutting opening, the reinforcing steel bar can be cut by rotating a cutting blade at a high speed, and an upper auxiliary plate or a lower auxiliary plate can make contact with the surface of the reinforcing steel bar during cutting; and therefore, a certain auxiliary effect is achieved on the stability of the reinforcing steel bars during cutting, and the cutting work of personnel is more convenient.

Description

Technical Field

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

[0002] Building construction refers to the production activities during the implementation stage of engineering construction. It is the construction process of various buildings. It can also be said to be the process of turning various lines on the design drawings into physical objects at designated locations. It includes foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction, etc. In the process of building construction, steel bars are usually required.

[0003] When steel bars are actually used in the construction process, they are usually required to be cut because of the different lengths of the steel bars required. However, the existing cutting devices are usually large in size and can only be placed in one place. The steel bars need to be manually carried back and forth for cutting, which is inconvenient for workers to carry them with them to the construction site for immediate cutting. Therefore, we propose a construction steel bar cutting device to solve the above problem. Utility Model Content

[0004] The utility model aims to solve the problem that the existing cutting device is usually large in size, inconvenient for workers to carry around, and unable to cut the steel bars immediately at the construction site.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a construction steel bar cutting device, comprising a cutting blade, a protective cover and a shell, the shell being fixed to the outer surface of one side of the protective cover, the middle part of the protective cover being rotatably connected to a rotating shaft through a bearing, the cutting blade is installed at one end of the rotating shaft located in the protective cover, the other end of the rotating shaft is rotatably connected to the shell through a bearing, a driving component for driving the cutting blade to rotate is arranged in the shell, a protrusion is fixed to one surface of the shell, a flap is arranged above the protrusion, the flap is rotatably connected to the shell through a pin shaft, a slot is provided on the top of the protrusion, and a limiting component for engaging with the slot is arranged on the flap.

[0006] Preferably, the shell and the flip cover are both provided with matching cutting openings, and auxiliary plates are fixed to the top and bottom of the cutting opening of the shell.

[0007] Preferably, the driving assembly comprises a servo motor fixed in a housing, an output shaft sleeve of the servo motor is provided with a first bevel gear fixed thereto, and a storage battery is fixed in the housing.

[0008] Preferably, a second bevel gear is sleeved and fixed on the end surface of the rotating shaft located in the housing, and the first bevel gear is meshed with the second bevel gear.

[0009] Preferably, the limiting assembly includes a movable groove opened on a surface of the flip cover, an L-shaped plate is slidably connected in the movable groove, the bottom end of the L-shaped plate slides through the bottom of the movable groove and engages with the slot, and a spring is fixed between the top of the L-shaped plate and the top of the movable groove.

[0010] Preferably, sliders are fixed to both side walls of the L-shaped plate, and sliding grooves adapted to the sliders are respectively opened on both side walls of the movable groove, and the sliders are slidably connected in the corresponding sliding grooves.

[0011] Preferably, a handle is fixed to the top of the shell, and a control button is installed on the handle.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, by providing a protective cover, a housing, a handle and a driving assembly, the cutting device has a compact structure and a small size. A person can carry the cutting device anywhere, insert the part of the steel bar to be cut into the cutting opening, and cut the steel bar by rotating the cutting blade at high speed. During cutting, the upper auxiliary plate or the lower auxiliary plate can contact the surface of the steel bar, thereby playing a certain auxiliary role in the stability of the steel bar during cutting, making it more convenient for the person to cut.

[0014] 2. In the utility model, by providing a protrusion, a slot, a limit assembly and a flap, a movable flap allows personnel to open it to expose the cutting blade in the protective cover, which is convenient for personnel to disassemble and replace the cutting blade. The limit assembly can limit the movable performance of the flap to achieve the opening and closing of the flap, so that when the flap is not opened, the flap and the protective cover can form an integral protective structure to reduce the possibility of accidental injury to people by the cutting blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional diagram of the overall structure of a steel bar cutting device for construction proposed by the utility model;

[0016] Figure 2 This is a three-dimensional diagram of the cutaway structure of the outer shell of a construction steel bar cutting device proposed by the utility model;

[0017] Figure 3 This is a three-dimensional diagram of a construction steel bar cutting device proposed by the utility model without a flap structure installed on the protective cover;

[0018] Figure 4 This is a three-dimensional diagram of the separation structure of the flap and the L-shaped plate in a construction steel bar cutting device proposed by the utility model;

[0019] Figure 5This is a three-dimensional diagram of the enlarged structure of point A in a construction steel bar cutting device proposed by the utility model.

[0020] Legend: 1. Cutting blade; 2. Protective cover; 3. Housing; 4. Rotating shaft; 5. Driving assembly; 501. Servo motor; 502. First bevel gear; 503. Battery; 504. Second bevel gear; 6. Bump; 7. Flip cover; 8. Slot; 9. Limiting assembly; 901. Movable slot; 902. L-shaped plate; 903. Spring; 904. Slider; 905. Slide groove; 10. Cutting opening; 11. Auxiliary plate; 12. Handle; 13. Control button. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] Embodiment 1, as Figure 1-Figure 5 As shown, the utility model provides a steel bar cutting device for construction, comprising a cutting blade 1, a protective cover 2 and a shell 3, wherein the shell 3 is fixed to an outer surface of one side of the protective cover 2, a middle portion of the protective cover 2 is rotatably connected with a rotating shaft 4 through a bearing, a cutting blade 1 is installed at one end of the rotating shaft 4 located in the protective cover 2, and the other end of the rotating shaft 4 is rotatably connected to the shell 3 through a bearing, a driving component 5 for driving the cutting blade 1 to rotate is arranged in the shell 3, a protrusion 6 is fixed to one surface of the shell 3, a flap 7 is arranged above the protrusion 6, the flap 7 is rotatably connected to the shell 3 through a pin shaft, a slot 8 is provided on the top of the protrusion 6, and a limiting component 9 for engaging with the slot 8 is arranged on the flap 7.

[0024] The effect achieved by the entire embodiment 1 is that it has a compact structure and a small size, and can be convenient for people to carry and use. Under the action of the limiting component 9, the flap 7 can cooperate with the protective cover 2 to achieve overall protection for the cutting blade 1 and enhance the protective effect. The flap 7 that can be opened movably can facilitate people to disassemble and assemble the cutting blade 1, so as to maintain the cutting blade 1 after long-term use.

[0025] Embodiment 2, as Figure 1-Figure 5As shown, the housing 3 and the flip cover 7 are both provided with matching cutting openings 10, and the top and bottom of the cutting opening 10 of the housing 3 are both fixed with auxiliary plates 11; the driving assembly 5 includes a servo motor 501 fixed in the housing 3, the output shaft of the servo motor 501 is sleeved with a first bevel gear 502, and a battery 503 is fixed in the housing 3; the end surface of the rotating shaft 4 located in the housing 3 is sleeved with a second bevel gear 504, and the first bevel gear 502 and the second bevel gear 504 are meshed; the limiting assembly 9 includes a movable groove 9 opened on one surface of the flip cover 7 01, an L-shaped plate 902 is slidably connected in the movable groove 901, the bottom end of the L-shaped plate 902 slides through the bottom of the movable groove 901 and engages with the card slot 8, and a spring 903 is fixed between the top of the L-shaped plate 902 and the top of the movable groove 901; sliders 904 are fixed to the two side walls of the L-shaped plate 902, and the two side walls of the movable groove 901 are respectively provided with sliding grooves 905 adapted to the sliders 904, and the sliders 904 are slidably connected in the corresponding sliding grooves 905; a handle 12 is fixed to the top of the shell 3, and a control button 13 is installed on the handle 12.

[0026] The effect achieved by the entire embodiment 2 is that the auxiliary plate 11 can play a certain auxiliary role in the stability of the steel bar during cutting, and under the conduction action of the first bevel gear 502 and the second bevel gear 504, the servo motor 501 can drive the cutting blade 1 to rotate, and the L-shaped plate 902 can be inserted into the card slot 8 at one end, and the other end protrudes a part on a surface of the flip cover 7, so that personnel can smoothly push the L-shaped plate 902 upward, and under the action of the spring 903, it is convenient for personnel to open or close the flip cover 7 as needed, and the slider 904 and the slide groove 905 can limit the L-shaped plate 902 during the up and down sliding process of the L-shaped plate 902 to prevent the L-shaped plate 902 from being separated from the movable groove 901.

[0027] Working principle: When in use, the operator holds the handle 12 with one hand, inserts the steel bar into the cutting opening 10 horizontally, and according to the situation, the upper auxiliary plate 11 or the lower auxiliary plate 11 contacts the surface of the steel bar, and then presses the control button 13 with the thumb, so that the servo motor 501 starts to work and drives the first bevel gear 502 to rotate, and the first bevel gear 502 can drive the second bevel gear 504 to rotate, and the second bevel gear 504 can drive the rotating shaft 4 to rotate, which can drive the cutting blade 1 in the protective cover 2 to rotate at high speed to cut the steel bar. The battery 503 can supply power to the servo motor 501, and the cutting device can also supply power to the servo motor 501 through the connection of the power cord and the circuit. When the personnel need to open the flip cover 7 to disassemble and assemble the cutting blade 1, the personnel can push the L-shaped plate 902 upward at the movable groove 901 to squeeze the spring 903, which can drive the L-shaped plate 902 to move upward until the bottom end of the L-shaped plate 902 is out of the card slot 8. At this time, the personnel can rotate and open the flip cover 7 with the cooperation of the pin shaft to expose the cutting blade 1 in the protective cover 2;

[0028] The wiring diagram of the servo motor 501, the battery 503 and the control button 13 in the present invention is common knowledge in the art, and its working principle is a well-known technology. The model is selected according to the actual use. Therefore, the control method and wiring arrangement of the servo motor 501, the battery 503 and the control button 13 are not explained in detail. In summary, the problems raised in the above background are solved.

[0029] The above description is only a preferred embodiment of the present invention and does not constitute any other form of limitation to the present invention. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A steel bar cutting device for construction, characterized in that: The invention comprises a cutting blade (1), a protective cover (2) and a shell (3), wherein the shell (3) is fixed to an outer surface of one side of the protective cover (2), a rotating shaft (4) is rotatably connected to the middle part of the protective cover (2) via a bearing, a cutting blade (1) is mounted on one end of the rotating shaft (4) located inside the protective cover (2), and the other end of the rotating shaft (4) is rotatably connected to the shell (3) via a bearing, a driving component (5) for driving the cutting blade (1) to rotate is arranged inside the shell (3), a convex block (6) is fixed to one surface of the shell (3), a flip cover (7) is arranged above the convex block (6), and the flip cover (7) is rotatably connected to the shell (3) via a pin shaft, a slot (8) is provided at the top of the convex block (6), and a limiter component (9) for engaging with the slot (8) is arranged on the flip cover (7).

2. A construction steel bar cutting device according to claim 1, characterized in that: The outer shell (3) and the flip cover (7) are both provided with matching cutting openings (10), and auxiliary plates (11) are fixed to the top and bottom of the cutting opening (10) of the outer shell (3).

3. A construction steel bar cutting device according to claim 1, characterized in that: The driving assembly (5) comprises a servo motor (501) fixed in a housing (3); a first bevel gear (502) is fixedly sleeved on an output shaft of the servo motor (501); and a storage battery (503) is fixed in the housing (3).

4. A construction steel bar cutting device according to claim 3, characterized in that: A second bevel gear (504) is sleeved and fixedly mounted on the surface of one end of the rotating shaft (4) located inside the housing (3), and the first bevel gear (502) is meshed with the second bevel gear (504).

5. A construction steel bar cutting device according to claim 1, characterized in that: The limiting assembly (9) comprises a movable groove (901) formed on a surface of the flip cover (7), an L-shaped plate (902) being slidably connected in the movable groove (901), the bottom end of the L-shaped plate (902) slidingly passing through the bottom of the movable groove (901) to engage with the clamping groove (8), and a spring (903) being fixed between the top of the L-shaped plate (902) and the top of the movable groove (901).

6. A construction steel bar cutting device according to claim 5, characterized in that: Slide blocks (904) are fixed to both side walls of the L-shaped plate (902), and slide blocks (905) matching the slide blocks (904) are respectively provided on both side walls of the movable groove (901), and the slide blocks (904) are respectively slidably connected in the corresponding slide blocks (905).

7. A construction steel bar cutting device according to claim 1, characterized in that: A handle (12) is fixed to the top of the housing (3), and a control button (13) is mounted on the handle (12).

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