A steel bar cutting device for building construction

Abstract

This utility model provides a rebar cutting device for building construction, relating to the technical field of cutting equipment. It includes a support leg with a clamping assembly installed at its upper end. The clamping assembly includes a placement platform mounted on the upper end of the support leg, with a rebar placement groove on the upper surface of the platform. An installation block is installed on the right side of the placement platform. By setting up the clamping assembly, the rebar can be tightly clamped from both sides by two sets of fixed clamping rods, preventing loosening during cutting and ensuring cutting accuracy. Simultaneously, the flexible opening and closing design of the fixed clamping rods facilitates quick clamping and disassembly of the rebar, improving work efficiency. These features of the clamping assembly not only improve cutting quality and ensure the accuracy of cutting dimensions but also guarantee operational safety, preventing rebar from loosening and flying out, thus providing a safe operating environment for operators and increasing work efficiency while reducing the time consumed in the clamping process.

Description

Technical Field

[0001] This utility model relates to the field of cutting equipment technology, and in particular to a steel bar cutting device for building construction. Background Technology

[0002] Reinforcing steel bars in building construction are steel materials that enhance the load-bearing capacity of concrete structures. They are either ribbed or smooth and are classified into various types according to their strength grades, such as HRB335 and HRB400. They play a crucial role in building structures, including tensile strength, enhancing overall integrity, and controlling crack width. Common forms include straight bars and coiled bars. Due to the diverse dimensions of building structural components, reinforcing steel bars need to be cut to appropriate lengths for matching. Cutting devices can precisely cut the steel bars, ensuring flat and vertical ends, improving construction efficiency and quality. They can also meet the needs of design changes and on-site adjustments. In addition, they are equipped with safety protection devices to reduce noise and dust, meeting construction safety and environmental protection requirements.

[0003] A search revealed that the document with publication number "CN219900058U" mentions "a construction rebar cutting device, including a base, a water tank at the top of the base, a cutting groove at the center of the top of the water tank, an L-shaped support frame fixed to one side of the upper end of the base, and a drive motor at the lower inner end of the L-shaped support frame. An electric push rod drives the drive motor, cutting blade, arc-shaped protective shell, and rubber curtain to descend synchronously. The rapidly rotating cutting blade cuts the rebar placed horizontally on the water tank. Simultaneously, after each cut, the water in the tank wets and cools the edges of the cutting blade, effectively reducing the continuous height required for the next cut and indirectly improving its service life." The sparks and water generated during cutting are effectively blocked by the arc-shaped protective shell and rubber curtain, effectively controlling the sparks and water in the upper area of ​​the water tank and preventing them from splashing indiscriminately. During use, an electric push rod drives the drive motor, cutting blade, arc-shaped protective shell, and rubber curtain to descend synchronously. The rapidly rotating cutting blade cuts the steel bars placed horizontally on the water tank. Simultaneously, after each cut, the water in the tank wets and cools the edges of the cutting blade, effectively reducing the continuous height of the cutting blade during the next cut, indirectly increasing its service life. Furthermore, the arc-shaped protective shell and rubber curtain effectively block the sparks and water generated during cutting, effectively controlling them in the upper area of ​​the water tank and preventing them from splashing indiscriminately.

[0004] However, existing rebar cutting devices mostly cut rebars one at a time. When cutting multiple rebars simultaneously, the rebars are prone to loosening. The rebars will be displaced by the cutting force, resulting in decreased cutting accuracy and large deviations in cutting dimensions. At the same time, existing devices do not measure the rebars when cutting, which can lead to the cut rebar length not meeting construction requirements and causing connection problems in subsequent construction.

[0005] Therefore, we provide a steel bar cutting device for building construction to solve the above problems. Utility Model Content

[0006] To overcome the above deficiencies, this utility model provides a steel bar cutting device for building construction, which aims to solve the aforementioned problems.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A rebar cutting device for building construction includes a support leg, a clamping assembly installed at the upper end of the support leg, the clamping assembly including a placement platform installed at the upper end of the support leg, a rebar placement groove formed on the upper surface of the placement platform, an installation block installed on the right side of the placement platform, a length measuring assembly installed on the right side of the installation block, the length measuring assembly including a measuring platform installed on the right side of the installation block, and a connecting block fixedly connected to the upper end of the measuring platform.

[0009] As a further description of the above technical solution:

[0010] The steel bar placement groove is provided in eight sets. The surface of the placement platform is rotatably connected to a fixed clamping rod via a hinge. A fixing block is installed at the other end of the fixed clamping rod. There are two sets of fixed clamping rods.

[0011] As a further description of the above technical solution:

[0012] A transmission motor is mounted on the surface of the mounting block, and a lead screw is connected to one end of the transmission motor via a flat key. There are two sets of lead screws.

[0013] As a further description of the above technical solution:

[0014] A movable block is provided inside the mounting block, the lead screw passes through the movable block, and the transmission motor drives the movable block to move linearly through the lead screw. A drive motor is fixedly connected to the upper end of the movable block, and a saw blade is connected to one end of the drive motor with a flat key.

[0015] As a further description of the above technical solution:

[0016] A protective cover is installed above the saw blade. The protective cover is arc-shaped and hollow inside.

[0017] As a further description of the above technical solution:

[0018] A fixed shaft is installed on the inner side of the connecting block, and a measuring tape is installed on the surface of the fixed shaft.

[0019] As a further description of the above technical solution:

[0020] One end of the measuring tape is fitted with a positioning plate, and both ends of the positioning plate are fitted with sliding rods.

[0021] Compared with the prior art, the beneficial effects of this utility model are:

[0022] 1. This utility model, by setting up a clamping assembly, uses two sets of fixed clamping rods to tightly clamp the reinforcing bars from both sides, preventing loosening during cutting and ensuring cutting accuracy. At the same time, the flexible opening and closing design of the fixed clamping rods facilitates the quick clamping and unclamping of the reinforcing bars, improving work efficiency. These features of the clamping assembly not only improve cutting quality and ensure the accuracy of cutting dimensions, but also ensure operational safety, preventing the reinforcing bars from loosening and flying out, thus providing a safe operating environment for operators and improving work efficiency while reducing the time consumed in the clamping process.

[0023] 2. This utility model, through the setting of a length measuring component, and the cooperation of a measuring tape and a positioning plate, can accurately measure the length of steel bars, meeting the accuracy requirements of building construction. Its operation is simple and intuitive. Operators can easily pull the measuring tape to read the scale and quickly adjust the measuring position. The component has a compact and stable structure, with each part closely fitting together, ensuring long-term stable operation and reducing measurement errors. The length measuring component can ensure accurate cutting dimensions, reducing material waste and reprocessing caused by dimensional errors. At the same time, the efficient measurement process improves construction efficiency, speeds up steel bar processing, and reduces construction waiting time. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall appearance structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the overall bottom view of the present invention;

[0026] Figure 3 This is a schematic diagram of the overall disassembled structure of this utility model;

[0027] Figure 4 This is a schematic diagram of the overall unfolded structure of this utility model;

[0028] Figure 5This is a schematic diagram of the assembly structure of the mounting block, transmission motor, lead screw, drive motor and saw blade of this utility model;

[0029] Figure 6 This is a schematic diagram of the length measuring component of this utility model.

[0030] The following are the labeling elements in the diagram: 1. Support leg; 2. Clamping assembly; 201. Placement platform; 202. Rebar placement groove; 203. Fixed clamping rod; 204. Fixing block; 3. Mounting block; 4. Transmission motor; 5. Lead screw; 6. Moving block; 7. Drive motor; 8. Saw blade; 9. Protective cover; 10. Length measuring assembly; 1001. Measuring platform; 1002. Connecting block; 1003. Fixed shaft; 1004. Measuring tape measure; 1005. Positioning plate; 1006. Slide rod. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Please see Figure 1-6 As shown, this utility model provides a technical solution: a rebar cutting device for building construction, including a support leg 1, a clamping component 2 installed at the upper end of the support leg 1, the clamping component 2 including a placement platform 201 installed at the upper end of the support leg 1, a rebar placement groove 202 opened on the upper surface of the placement platform 201, an installation block 3 installed on the right side of the placement platform 201, a length measuring component 10 installed on the right side of the installation block 3, the length measuring component 10 including a measuring platform 1001 installed on the right side of the installation block 3, and a connecting block 1002 fixedly connected to the upper end of the measuring platform 1001.

[0033] Furthermore, the rebar placement groove 202 has eight sets of fixed clamping rods 203 rotatably connected to the surface of the placement platform 201 via hinges. A fixing block 204 is installed at the other end of each fixed clamping rod 203. Two sets of fixed clamping rods 203 are provided. The rebar is placed in the rebar placement groove 202, and then the fixed clamping rod 203 is rotated so that the fixing block 204 at its other end clamps and limits the rebar, thus fixing the rebar on the placement platform 201, preparing it for subsequent cutting operations. The fixed clamping rods 203 can be opened and closed flexibly, facilitating the insertion and removal of the rebar. Moreover, the fixing block 204 installed at the other end of the fixed clamping rod 203 can firmly clamp the rebar, further enhancing the stability of the rebar during the cutting process and preventing the rebar from loosening.

[0034] Furthermore, a transmission motor 4 is mounted on the surface of the mounting block 3. One end of the transmission motor 4 is connected to a lead screw 5 via a key. There are two sets of lead screws 5. After the transmission motor 4 is started, it drives the lead screw 5 to rotate through the key connection, thereby allowing the saw blade 8 to move laterally along the lead screw 5.

[0035] Furthermore, a movable block 6 is provided on the inner side of the mounting block 3. The lead screw 5 passes through the movable block 6. The transmission motor 4 drives the movable block 6 to move linearly through the lead screw 5. The upper end of the movable block 6 is fixedly connected to the drive motor 7. One end of the drive motor 7 is connected to the saw blade 8 with a flat key. The lead screw 5 cooperates with the movable block 6 to convert the rotational motion of the lead screw 5 into the linear motion of the movable block 6, thereby realizing the movement of the movable block 6, and then driving the drive motor 7 and the saw blade 8 to move to the designated cutting position.

[0036] Furthermore, a protective cover 9 is installed above the saw blade 8. The protective cover 9 is arc-shaped and hollow inside. During the process of the saw blade 8 cutting steel bars, the arc-shaped protective cover 9 wraps around the top of the saw blade 8. The hollow structure inside provides space for the rotation and cutting of the saw blade 8, while blocking sparks, debris and other flying objects, ensuring operational safety and environmental cleanliness.

[0037] Furthermore, a fixed shaft 1003 is installed on the inner side of the connecting block 1002, and a measuring tape 1004 is installed on the surface of the fixed shaft 1003. When measuring the length of the reinforcing bar, the operator pulls the measuring tape 1004 to unfold it from the fixed shaft 1003, aligns one end of the measuring tape 1004 with one end of the reinforcing bar, and then observes the scale on the measuring tape 1004 to read the length of the reinforcing bar.

[0038] Furthermore, a positioning plate 1005 is attached to one end of the measuring tape 1004. Sliding rods 1006 are installed at both ends of the positioning plate 1005. When measuring the length of the reinforcing bar, the positioning plate 1005 is moved to a suitable position on the sliding rods 1006 by sliding the positioning plate 1005 according to the required length of the reinforcing bar. Then, one end of the measuring tape 1004 is attached to the positioning plate 1005. The cutting length of the reinforcing bar is determined by observing the scale on the measuring tape 1004, thereby achieving accurate measurement of the length of the reinforcing bar.

[0039] Working principle: Place the rebar to be cut into the rebar placement slot 202 of the placement platform 201. Select a suitable rebar placement slot 202 to ensure the rebar is placed stably. Then rotate the fixed clamping rod 203 so that its other end contacts and clamps the fixed block 204, firmly fixing the rebar on the placement platform 201. This completes the clamping and fixing of the rebar, preparing for the subsequent cutting operation. According to the required length of the rebar, pull the measuring tape 1004 to unfold it from the fixed shaft 1003. Align one end of the measuring tape 1004 with one end of the rebar, observe the scale on the measuring tape 1004, and read the length of the rebar to determine the cutting length. At the same time, move the sliding positioning plate 1005 to the appropriate position on the sliding rod 1006 and engage one end of the measuring tape 1004 with the positioning plate 1005 to further accurately determine the cutting length of the rebar and ensure the accuracy of the cutting dimensions. Based on the measured cutting length of the rebar, start the conveyor motor 4, which drives the wire... The lever 5 rotates, and the lead screw 5 cooperates with the moving block 6 to convert the rotational motion of the lead screw 5 into the linear motion of the moving block 6. This drives the drive motor 7 and the saw blade 8 to move to the designated cutting position, aligning the saw blade 8 with the cutting point of the rebar, preparing for the cutting operation. After the saw blade 8 moves to the designated cutting position, the drive motor 7 is started, driving the saw blade 8 to rotate and begin cutting the rebar. During the cutting process, the arc-shaped protective cover 9 surrounds the top of the saw blade 8. Its hollow internal structure provides space for the rotation and cutting of the saw blade 8, while blocking sparks, debris, and other flying objects, ensuring operational safety and a clean environment. After the rebar is cut, the drive motor 7 is turned off, stopping the rotation of the saw blade 8. The transmission motor 4 is turned off, and the saw blade 8 is moved back to its initial position. Then, the fixing clamp 203 is released, and the cut rebar is removed, completing one rebar cutting operation. When it is necessary to continue cutting other rebars, the above workflow is repeated. This completes the use process of a rebar cutting device for construction.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A steel bar cutting device for building construction, comprising a support leg (1), characterized in that: A clamping assembly (2) is installed on the upper end of the support leg (1). The clamping assembly (2) includes a placement platform (201) installed on the upper end of the support leg (1). A rebar placement groove (202) is opened on the upper surface of the placement platform (201). An installation block (3) is installed on the right side of the placement platform (201). A length measuring assembly (10) is installed on the right side of the installation block (3). The length measuring assembly (10) includes a measuring platform (1001) installed on the right side of the installation block (3). A connecting block (1002) is fixedly connected to the upper end of the measuring platform (1001).

2. The steel bar cutting device for building construction according to claim 1, characterized in that, The steel bar placement groove (202) has eight sets. The surface of the placement platform (201) is rotatably connected to a fixed clamping rod (203) via a hinge. A fixing block (204) is installed at the other end of the fixed clamping rod (203). There are two sets of fixed clamping rods (203).

3. The steel bar cutting device for building construction according to claim 1, characterized in that, The surface of the mounting block (3) is equipped with a transmission motor (4), and one end of the transmission motor (4) is connected to a lead screw (5) with a flat key. There are two sets of lead screws (5).

4. A steel bar cutting device for building construction according to claim 3, characterized in that, The inner side of the mounting block (3) is provided with a moving block (6), the lead screw (5) passes through the moving block (6), the transmission motor (4) drives the moving block (6) to move linearly through the lead screw (5), the upper end of the moving block (6) is fixedly connected to a drive motor (7), and one end of the drive motor (7) is connected to a saw blade (8) with a flat key.

5. A steel bar cutting device for building construction according to claim 4, characterized in that, A protective cover (9) is installed above the saw blade (8). The protective cover (9) is arc-shaped and hollow inside.

6. A steel bar cutting device for building construction according to claim 1, characterized in that, A fixed shaft (1003) is installed on the inner side of the connecting block (1002), and a measuring tape (1004) is installed on the surface of the fixed shaft (1003).

7. A steel bar cutting device for building construction according to claim 6, characterized in that, One end of the measuring tape (1004) is attached to a positioning plate (1005), and both ends of the positioning plate (1005) are equipped with slide rods (1006).

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