Automatic steel bar cutting device

By combining the support frame and clamping frame with multiple cutting methods, the problem of unstable clamping of the rebar cutting device is solved, achieving high-precision and safe rebar cutting, and adapting to the cutting needs of various construction scenarios.

CN223847997UActive Publication Date: 2026-01-30XINJIANG RONGHUIDA CONSTR ENG CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520880888.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-07
Publication Date
2026-01-30
Estimated Expiration
2035-05-07

AI Technical Summary

Technical Problem

Existing rebar cutting devices lack stability when clamped and fixed, causing the rebar to easily shake and shift during the cutting process, affecting cutting accuracy and project quality.

Method used

An automatic rebar cutting device was designed, comprising a support frame, a clamping frame, an electric telescopic mechanism, and a pneumatic telescopic rod. Through the combination of a support groove and multiple semi-circular clamping frames, and combined with electric and pneumatic driving cutting methods, stable clamping and flexible cutting of rebar are achieved.

Benefits of technology

It improves the precision and stability of rebar cutting, reduces the rebar scrap rate, enhances the versatility and safety of the device, and meets the cutting needs of different construction scenarios.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223847997U_ABST
    Figure CN223847997U_ABST
Patent Text Reader

Abstract

The utility model discloses an automatic reinforcing steel bar cutting device, which belongs to the technical field of reinforcing steel bar cutting and comprises a support frame, the front side of the support frame is U-shaped, the left side and the right side of the support frame are provided with support grooves, the support grooves are semicircular, and the left side and the right side of a reinforcing steel bar are lapped above the support grooves. Clamping frames are arranged between the left side and the right side of the supporting frame and are semicircular, anti-skid grooves are formed in the sides, close to reinforcing steel bars, of the clamping frames, the clamping frames form a clamping and fixing structure for the front, rear, left and right positions of the reinforcing steel bars, and a cutting device is arranged above the supporting frame. The automatic steel bar cutting device has multiple cutting modes, can meet different cutting requirements, has the advantages that clamping is stable, the cutting quality is improved, and the cutting efficiency is improved through multiple cutting modes, is suitable for steel bar cutting operation in building construction and steel bar machining, facilitates improvement of the steel bar cutting precision and efficiency and guarantees the building engineering quality.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of rebar cutting technology, specifically to an automatic rebar cutting device. Background Technology

[0002] Rebar cutting is a fundamental and crucial process in building construction and rebar processing. Using specialized cutting equipment, such as electric rebar cutters and hydraulic rebar cutters, rebar is precisely cut to specific lengths according to construction drawings. The cutting accuracy directly affects the stability and safety of the building structure. Efficient cutting processes can improve construction efficiency and reduce material waste. On construction sites or in rebar processing workshops, rebar cutting lays the foundation for subsequent rebar bending, tying, and concrete pouring, and is a vital link in ensuring the smooth progress of construction projects and building solid structures. However, existing rebar cutting devices still have certain problems in use:

[0003] For example, application number 201720737820.8 describes an automatic rebar cutting device. Its technical solution includes a cutting seat, a pair of support frames mounted on the end face of the cutting seat, a clamping device mounted on the support frames, a pair of electric slide rails installed inside the cutting seat, an electric slide body mounted on the electric slide rails, a moving part mounted on the electric slide body, a pair of sliding grooves along the length of the end face of the cutting seat, sliding parts mounted in the sliding grooves, and the moving part fixedly connected to the moving part via a connecting body. A portal frame is mounted on the pair of sliding parts, a rodless cylinder is mounted on the opposite wall of the portal frame, a lifting frame is fixed to the moving end of the rodless cylinder, a drive frame is mounted on the lifting frame, a drive component is mounted on the drive frame, and a cutting blade is fixed on the drive component. However, existing rebar cutting equipment has poor stability when clamping and fixing rebar. During the cutting process, the rebar is prone to shaking and displacement, leading to deviations in the cutting position. This not only increases the rebar scrap rate but also affects project quality and progress.

[0004] In view of this, in-depth research was conducted on the above issues, which led to the creation of this case.

[0005] To address the aforementioned issues, an innovative design was developed based on the existing rebar cutting device. Utility Model Content

[0006] The purpose of this invention is to provide an automatic rebar cutting device to solve the problems mentioned in the background art, such as the insufficient stability of rebar clamping and fixing and the inability to implement automatic clamping.

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

[0008] The utility model provides a steel bar automatic cutting device, including support frame, the front side of support frame is U shape, and support frame left and right sides all are equipped with support groove, support groove is semicircle, and steel bar left and right sides lap on support groove top, the both sides of support frame are evenly provided with clamping frame, and clamping frame is semicircle, clamping frame is provided with four, and clamping frame near steel bar one side all are equipped with antiskid groove, and clamping frame's front and back left and right position constitutes clamping fixed structure, cutting device is arranged on the top of support frame.

[0009] Preferably, the bottom of the support frame is fixedly installed with an electric telescopic machine, and the top end of the electric telescopic machine is fixedly connected with a mounting frame, and the mounting frame constitutes a lifting structure.

[0010] The electric telescopic machine at the bottom of the support frame and the connected mounting frame can drive the mounting frame to lift, so that the height of the clamping frame can be flexibly adjusted to adapt to the clamping needs of steel bars of different diameters, thereby improving the versatility of the device.

[0011] Preferably, the left and right sides of the mounting frame are fixedly connected with trapezoidal frames, and the front and back sides of the trapezoidal frames are hingedly connected with connecting plates, and the connecting plates are hingedly connected to the left and right sides of the inner side of the support frame through connecting rods.

[0012] The trapezoidal frames connected with the mounting frame and the hingedly connected connecting plates can make the clamping frame stably approach or move away from the steel bar when the mounting frame is lifted, thereby ensuring the stability of the clamping process and avoiding the shaking of the steel bar during clamping.

[0013] Preferably, mounting blocks are hingedly connected to the top ends of the connecting plates, and the clamping frames are fixedly installed on the sides of the mounting blocks close to the steel bar.

[0014] The hingedly connected mounting blocks at the top ends of the connecting plates and the clamping frames on the mounting blocks can make the clamping frames better fit the surface of the steel bar, thereby enhancing the tightness of clamping and further improving the fixing effect on the steel bar.

[0015] Preferably, a pneumatic telescopic rod is arranged on the back side of the support frame, a lifting plate is arranged at the top end of the pneumatic telescopic rod, a fixed frame is arranged on the front side of the lifting plate, a first driving motor is arranged on the left side of the fixed frame, a first cutting knife is connected and installed on the right side of the first driving motor, and a first protective sleeve is arranged on the outer side of the first cutting knife.

[0016] The pneumatic telescopic rod, the lifting plate, the fixed frame, the first driving motor, the first cutting knife and the first protective sleeve on the back side of the support frame can drive the cutting assembly to lift, so that the cutting depth can be accurately controlled, and the first protective sleeve can effectively prevent debris from splashing during cutting, thereby ensuring the safety of the operator.

[0017] Preferably, the rear side of the support frame is provided with a tool holder, and the tool holder is rotationally connected to the rear side of the support frame, the front side of the tool holder is provided with a handle, and the front side of the tool holder is provided with a second protective sleeve, the left side of the second protective sleeve is provided with a second driving motor, and the right side of the second driving motor is connected and installed with a second cutting knife.

[0018] By adopting the above technical scheme, the tool holder, handle, second protective sleeve, second driving motor and second cutting knife on the rear side of the support frame are rotationally connected and provided with a handle, so that the cutting angle can be manually adjusted conveniently, the second protective sleeve also plays a protective role, the second cutting knife is complementary to other cutting modes, and different cutting requirements can be met.

[0019] Preferably, the upper side of the support frame is horizontally provided with a numerical control console, and the lower side of the numerical control console is provided with a laser cutting head.

[0020] By adopting the above technical scheme, the numerical control console on the upper side of the support frame and the laser cutting head on the lower side of the support frame, the numerical control console controls the laser cutting head, automatic cutting with high precision is realized, cutting precision and efficiency are improved, and manual operation errors are reduced.

[0021] Compared with the prior art, the automatic steel bar cutting device has the advantages that:

[0022] 1. Precise and stable clamping: the unique support groove and multiple semicircular clamping frames are designed in cooperation with the anti-skid groove to stably clamp the steel bar from all directions, greatly reducing the shaking and displacement of the steel bar during cutting, effectively improving the cutting precision, reducing the scrap rate of the steel bar, and ensuring the use quality of the steel bar in construction engineering;

[0023] 2. High adaptability: the electric telescopic machine drives the mounting frame to lift and lower, and the height of the clamping frame can be flexibly adjusted according to steel bars of different diameters, so that the device can adapt to the cutting requirements of steel bars of various specifications, significantly enhancing the universality of the device and reducing the replacement or modification cost caused by the difference in steel bar specifications;

[0024] 3. Flexible cutting mode selection: the device integrates three cutting modes, i.e., the cutting assembly driven by the pneumatic telescopic rod, the manual cutting of the rotatable tool holder, and the laser cutting head controlled by the numerical control console. Different cutting modes can be quickly switched according to different steel bar materials and cutting requirements, so that the device can meet various construction scenes and greatly improve the cutting efficiency;

[0025] 4. Comprehensive safety protection: the first protective sleeve and the second protective sleeve effectively block the splashing of cutting debris under two cutting modes, protect the safety of the operator, reduce the risk of accidental injury, and create a safer working environment for the construction personnel;

[0026] 5、Automatic and high-precision cutting: the numerical control console controls the laser cutting head to cut, realizes automatic operation, reduces manual intervention, not only improves the cutting efficiency, but also effectively avoids the manual operation error, ensures the cutting size precision, and is especially suitable for the building project with extremely high precision requirement. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a structure schematic view of the embodiment one of the utility model;

[0028] Figure 2 It is a side surface structure schematic view of the embodiment one of the utility model;

[0029] Figure 3 It is a clamping frame structure schematic view of the utility model;

[0030] Figure 4 It is a side surface structure schematic view of the embodiment two of the utility model;

[0031] Figure 5 It is a side surface main view structure schematic view of the embodiment two of the utility model;

[0032] Figure 6 It is a front surface structure schematic view of the embodiment three of the utility model;

[0033] In the drawing: 1, support frame; 2, support groove; 3, electric telescopic machine; 4, mounting frame; 5, trapezoidal frame; 6, connecting plate; 7, mounting block; 8, clamping frame; 9, anti-skid groove; 10, pneumatic telescopic rod; 11, lifting plate; 12, fixed frame; 13, first drive motor; 14, first protective sleeve; 15, first cutting knife; 16, knife holder; 17, second protective sleeve; 18, handle; 19, second drive motor; 20, second cutting knife; 21, numerical control console; 22, laser cutting head. DETAILED DESCRIPTION

[0034] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model. Embodiment one

[0035] Please refer to Figures 1-3 The utility model provides a technical scheme:

[0036] The utility model provides a steel bar automatic cutting device, including support frame 1, support frame 1 front side presents U character, and support frame 1 left and right sides are all seted up with support groove 2, support groove 2 presents semicircle, and steel bar left and right sides overlap on support groove 2 top, and the left and right sides of support frame 1 are all provided with clamping frame 8, and clamping frame 8 presents semicircle, clamping frame 8 is provided with four, and clamping frame 8 is seted up with antiskid groove 9 close to steel bar one side, and clamping frame 8 constitutes clamping fixed structure to the front and rear position of steel bar, and cutting device is seted up on support frame 1 top.

[0037] Support frame 1 bottom middle fixed mounting has electric telescopic machine 3, and electric telescopic machine 3 top end fixedly connected with mounting bracket 4, and mounting bracket 4 constitutes lifting structure, and mounting bracket 4 left and right sides are all fixedly connected with trapezoidal frame 5, and trapezoidal frame 5's front and rear sides are all hingedly connected with connecting plate 6, and connecting plate 6 middle is hingedly connected to support frame 1 inside left and right sides through connecting rod, and connecting plate 6 top end is hingedly installed with mounting block 7, and mounting block 7 is fixedly installed with clamping frame 8 close to steel bar installation one side, and the electric telescopic machine 3 of support frame 1 bottom and the mounting bracket 4 connected, electric telescopic machine 3 drives mounting bracket 4 to lift, can flexibly adjust the height of clamping frame 8, to adapt to the clamping demand of different diameter steel bars, improve the versatility of device, and the trapezoidal frame 5 of mounting bracket 4 connection and the connecting plate 6 of hinged connection, the structure of trapezoidal frame 5 and connecting plate 6 can make clamping frame 8 stably close to or away from steel bar when mounting bracket 4 lifts, guarantee the stability of clamping process, avoid steel bar shaking when clamping, and the mounting block 7 of connecting plate 6 top end hinged connection and clamping frame 8 on mounting block 7, the hinged design of mounting block 7 and connecting plate 6 makes clamping frame 8 better adhere to steel bar surface, enhances the compactness of clamping, further improves the fixed effect of steel bar.

[0038] Support frame 1 rear side is provided with pneumatic telescopic rod 10, and pneumatic telescopic rod 10 top is provided with lifting plate 11, and lifting plate 11 front side is provided with fixed frame 12, fixed frame 12 left side is provided with first drive motor 13, and first drive motor 13 right side is connected and installed with first cutting knife 15, and first cutting knife 15 outside is provided with first protective sleeve 14, and the pneumatic telescopic rod 10 of support frame 1 rear side, lifting plate 11, fixed frame 12, first drive motor 13, first cutting knife 15 and first protective sleeve 14, pneumatic telescopic rod 10 drives cutting assembly to lift, can accurately control cutting depth, and first protective sleeve 14 can effectively prevent the splashing of debris in the cutting process, guarantee the safety of operator.

[0039] In general construction site, a large number of diameter of ordinary construction steel needs to be cut, the steel is placed on the support groove 2 of the support frame 1, the electric telescopic machine 3 is started, the mounting frame 4 is lifted, the clamping frame 8 is clamped, the cutting mode driven by the pneumatic telescopic rod 10 is selected, the pneumatic telescopic rod 10 is started, the first driving motor 13 drives the first cutting knife 15 to rotate, and the steel is quickly cut into the required length, the steel does not shake in the cutting process due to the stable clamping of the clamping frame 8, the cutting precision is high, the length error of the cut steel is controlled in a very small range, and the construction standard is completely met, the construction efficiency is effectively improved, and the steel waste is reduced. Example two

[0040] Please refer to Figures 4-5 The utility model provides a technical scheme:

[0041] The rear side of the support frame 1 is provided with a tool rest 16, the tool rest 16 is rotationally connected to the rear side of the support frame 1, the front side of the tool rest 16 is provided with a handle 18, the front side of the tool rest 16 is provided with a second protective sleeve 17, the left side of the second protective sleeve 17 is provided with a second driving motor 19, and the right side of the second driving motor 19 is connected and mounted with a second cutting knife 20, the tool rest 16, the handle 18, the second protective sleeve 17, the second driving motor 19 and the second cutting knife 20 on the rear side of the support frame 1, the tool rest 16 is rotationally connected and is provided with the handle 18, manual adjustment of the cutting angle is facilitated, the second protective sleeve 17 also plays a protective role, the second cutting knife 20 is complementary to other cutting modes, and different cutting requirements are met.

[0042] In a certain building decoration project, part of the steel needs to be cut at a special angle to meet the decoration modeling requirements, the steel is placed and fixed, the tool rest 16 is rotated, the handle 18 is adjusted to the required cutting angle, the second driving motor 19 is started to drive the second cutting knife 20 to cut, the flexible rotation and manual adjustment function of the tool rest 16 enable the operator to accurately control the cutting angle, the construction requirements of special modeling are met, and the adaptability and flexibility of the device in complex construction scenes are shown. Example three

[0043] Please refer to Figure 6 The utility model provides a technical scheme:

[0044] A numerical control table 21 is horizontally arranged above the support frame 1, and a laser cutting head 22 is arranged below the numerical control table 21, the numerical control table 21 above the support frame 1 and the laser cutting head 22 below the support frame 1, the numerical control table 21 controls the laser cutting head 22, high-precision automatic cutting is realized, cutting precision and efficiency are improved, and manual operation error is reduced.

[0045] In the bridge construction project, the steel bar cutting precision requirement is extremely high, after the steel bar is fixed on the device, the laser cutting head 22 is controlled to cut through the numerical control console 21, the numerical control console 21 accurately controls the moving track and cutting depth of the laser cutting head 22 according to the preset program, realizes the automatic high-precision cutting, the precision of the cut steel bar reaches millimeter level, fully meets the strict requirement of the bridge construction on the steel bar precision, guarantees the stability and safety of the bridge structure, improves the construction efficiency, and reduces the rework problem caused by insufficient precision.

[0046] Working principle:

[0047] The utility model discloses in using, first place the steel bar on the support groove 2 of support frame 1 left and right sides, start electric telescopic machine 3, and electric telescopic machine 3 promotes the installation frame 4 to go up, and installation frame 4 drives trapezoidal frame 5 to go up, and trapezoidal frame 5 drives mounting block 7 and clamping frame 8 to approach steel bar through connecting plate 6, and utilize the anti -skid groove 9 on clamping frame 8 and fix the steel bar position before and after left and right clamping tightly;

[0048] If the cutting mode of pneumatic telescopic rod 10 is selected, start pneumatic telescopic rod 10, make it push lifting plate 11 to descend, and first drive motor 13 on fixed frame 12 drives first cutting knife 15 to rotate, and the first cutting knife 15 cuts the steel bar, and first protective sleeve 14 prevents the splashing of debris, if manual cutting is needed, rotate knife holder 16, adjust the angle through handle 18, start second drive motor 19 and drive second cutting knife 20 to cut, and second protective sleeve 17 plays a protective role, if high-precision cutting is needed, laser cutting head 22 can be controlled through numerical control console 21, and the steel bar is cut automatically and with high precision.

[0049] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0050] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. Automatic steel bar cutting device comprising a support frame (1), characterized in that: The front side of the support frame (1) is U-shaped, and the support frame (1) has support grooves (2) on both the left and right sides. The support grooves (2) are semi-circular, and the left and right sides of the reinforcing bars overlap the support grooves (2). There are clamping frames (8) between the left and right sides of the support frame (1), and the clamping frames (8) are semi-circular. There are four clamping frames (8), and the clamping frames (8) have anti-slip grooves (9) on the side close to the reinforcing bars. The clamping frames (8) form a clamping and fixing structure for the front, back, left and right positions of the reinforcing bars. A cutting device is provided on the top of the support frame (1).

2. The automatic steel bar cutting device according to claim 1, characterized in that: The support frame (1) has an electric telescopic machine (3) fixedly installed at the bottom center, and the electric telescopic machine (3) has an installation frame (4) fixedly connected to the top of the installation frame (4), which constitutes a lifting structure.

3. The automatic steel bar cutting device according to claim 2, characterized in that: The mounting frame (4) is fixedly connected to trapezoidal frames (5) on both the left and right sides, and the front and rear sides of the trapezoidal frames (5) are hinged to connecting plates (6), and the connecting plates (6) are hinged to the left and right sides of the inner side of the support frame (1) through connecting rods.

4. The automatic steel bar cutting device according to claim 3, characterized in that: The top of each connecting plate (6) is hinged with an installation block (7), and the installation block (7) is fixedly installed with a clamping frame (8) on the side near the steel bar installation.

5. The automatic steel bar cutting device according to claim 1, characterized in that: The support frame (1) is provided with a pneumatic telescopic rod (10) on the rear side, and a lifting plate (11) is provided at the top of the pneumatic telescopic rod (10). A fixed frame (12) is provided on the front side of the lifting plate (11). A first drive motor (13) is provided on the left side of the fixed frame (12), and a first cutting blade (15) is connected and installed on the right side of the first drive motor (13). A first protective sleeve (14) is provided on the outside of the first cutting blade (15).

6. The automatic steel bar cutting device according to claim 1, characterized in that: The support frame (1) is provided with a knife holder (16) on the rear side, and the knife holder (16) is rotatably connected to the rear side of the support frame (1). The knife holder (16) is provided with a handle (18) on the front side, and a second protective sleeve (17) is provided on the front side of the knife holder (16). A second drive motor (19) is provided on the left side of the second protective sleeve (17), and a second cutting blade (20) is connected and installed on the right side of the second drive motor (19).

7. The automatic steel bar cutting device according to claim 1, characterized in that: A CNC table (21) is horizontally arranged above the support frame (1), and a laser cutting head (22) is arranged below the CNC table (21).

Citation Information

Patent Citations

  • Construction steel bar automatic cutting device

    CN207325832U