Construction steel bar cutting machine

By adopting a combined structure of support plate and support spring in the building steel bar cutting machine, the support instability caused by the angle change of spring plates during expansion and contraction in the prior art is solved, and a more stable steel bar cutting process is achieved.

CN222679410UActive Publication Date: 2025-03-28YUNNAN LONGCHEN CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202420503106.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-15
Publication Date
2025-03-28
Estimated Expiration
2034-03-15

AI Technical Summary

Technical Problem

Existing building steel bar cutting machines use spring plates for buffering when cutting, but the angle of the spring plate changes when it expands and contracts, resulting in unstable support.

Method used

A building steel bar cutting machine is designed, adopting a combined structure of support plate and support spring. The support plate extrudes the support spring to rotate the threaded rod in the thread groove of the fixing frame. The bearing is used to ensure that the threaded rod does not affect the angle of the support spring when rotating, and realizes the repeated support function of the support plate.

Benefits of technology

It effectively avoids the angle change of the support spring when it is telescopic, ensures the stability of the support, and avoids the risk of steel bars breakage and staff injury.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of shearing equipment, in particular to a building steel bar cutting machine which comprises a device body, a cutting device, a cutting device, a cutting device, a cutting device, a cutting device, a cutting device, a cutting device and a cutting device, the device body comprises a supporting base, and one side of the surface of the supporting base is connected with a motor; a supporting structure is connected to one side of the positioning frame and comprises a fixing plate, and a fixing frame is connected to the surface of the fixing plate. The surface of the supporting plate abuts against the surface of one end of a reinforcing steel bar, when the reinforcing steel bar is cut, the reinforcing steel bar extrudes the supporting plate to contract, the threaded rod is supported in an auxiliary mode while the second bearing assists the threaded rod to rotate, and after the supporting plate does not bear pressure, the first supporting spring supports the threaded rod to reset; therefore, the repeated supporting effect of the supporting plate is achieved, the supporting plate can move more stably, and the problem that supporting is not stable due to the fact that the angle changes during stretching and retracting is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of shearing equipment, in particular to a construction steel bar cutting machine. Background Art

[0002] Rebar refers to steel used for reinforced concrete and prestressed reinforced concrete. Its cross-section is round, and sometimes square with rounded corners. A rebar cutting machine is a tool used to cut rebar. There are fully automatic rebar cutting machines and semi-automatic rebar cutting machines. It is mainly used for cutting rebar to a fixed length in construction projects. It is an indispensable equipment in the rebar processing link and has been widely used in the field of mechanical processing.

[0003] When the existing construction steel bar cutting machine is used, its function is to cut the steel bars to a fixed length. When the existing construction steel bar cutting machine is cutting, a spring plate is usually used to buffer one end of the cut steel bar to avoid breaking one end of the steel bar during cutting and causing damage to the workers. However, the angle of the spring plate changes when it is extended or retracted, resulting in an unstable support problem. Utility Model Content

[0004] The utility model aims to provide a construction steel bar cutting machine to solve the problem that the existing construction steel bar cutting machine mentioned in the above background technology usually uses a spring plate to buffer one end of the cut steel bar during cutting to avoid one end of the steel bar breaking during cutting and hitting the staff, but the angle of the spring plate changes when it is extended and retracted, resulting in unstable support.

[0005] To achieve the above purpose, the utility model provides the following technical solution, a construction steel bar cutting machine, comprising:

[0006] The device body comprises a support base, one side of the support base surface is connected to a motor, one end of the motor is connected to an organism, and the other side of the support base surface is connected to a positioning frame;

[0007] One side of the positioning frame is connected to a supporting structure, including a fixing plate, the surface of the fixing plate is connected to the fixing frame, the inside of the fixing frame is connected to a first bearing, one end of the first bearing is movably connected to a support spring 1, one end of the support spring 1 is connected to a threaded rod, one end of the threaded rod is connected to the support plate, and the outer wall of the threaded rod is sleeved with a second bearing.

[0008] Preferably, a thread groove is provided on the surface of one end of the fixing frame, and the threaded rod is rotatably connected to the inside of the thread groove provided on the fixing frame.

[0009] Preferably, one end of the first bearing is connected to one side of an inner wall of a thread groove provided on the fixing frame, and an outer ring of the second bearing is connected to an inner wall of the thread groove provided on the fixing frame.

[0010] Preferably, the inner ring surface of the second bearing is provided with threads, and the first bearing and the threaded rod are elastically connected via a supporting spring.

[0011] Preferably, a protective structure is internally connected to one side of the positioning frame, and the protective structure includes two support springs, one end of the two support springs is connected to an anti-wear plate, the upper and lower surfaces of the anti-wear plate are connected to positioning strips, the surface of the anti-wear plate is provided with balls, and the upper and lower outer walls of the anti-wear plate are sleeved with rubber pads.

[0012] Preferably, the rubber pad is fixedly connected to the outer walls at the upper and lower ends of the anti-wear plate, and a movable connection is arranged between the anti-wear plate and the ball bearing.

[0013] Preferably, a groove is provided on a surface of one side of the positioning frame, and one end of the support spring is connected to a side of an inner wall of the groove provided on the positioning frame.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The surface of the support plate is in contact with the surface of one end of the steel bar. When the steel bar is cut, the steel bar squeezes the support plate to shrink, so that the support plate squeezes the support spring 1 to shrink, and while the threaded rod shrinks, it rotates inside the threaded groove opened in the fixed frame, and the first bearing is used to ensure that the threaded rod does not affect the angle of the support spring 1 when rotating, and the second bearing is used to assist the threaded rod in rotating while providing auxiliary support to the threaded rod, and after the support plate is not subjected to pressure, the support spring 1 supports the threaded rod to reset, thereby achieving the repeated support function of the support plate and making its movement more stable, avoiding the problem of angle changes during extension and retraction, resulting in unstable support.

[0016] 2. By inserting the steel bars inside the positioning frame, the steel bars are pressed against the surface of the wear-resistant plate, and the positioning strip is used to assist the wear-resistant plate to position the steel bars, and the wear-resistant plate squeezes the support spring 2 to contract, so that the steel bars and the positioning frame are in flexible contact, and when the steel bars move, the balls arranged on the surface of the wear-resistant plate are used to assist the steel bars to move, and the wear-resistant plate is protected by the rubber pad sleeved on the outer wall of the wear-resistant plate, so as to reduce the friction between the steel bars and the wear-resistant plate, so as to protect the positioning frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view stereoscopic schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a partial three-dimensional schematic diagram of the structure of the utility model from a side view;

[0019] Figure 3 It is a top view and a partially cutaway three-dimensional schematic diagram of the structure of the utility model;

[0020] Figure 4 For this utility model Figure 3 A is an enlarged schematic diagram of the structure at center A;

[0021] Figure 5 It is a schematic diagram of a partially cutaway perspective view of the structure of the present invention.

[0022] In the figure: 1. device body; 11. support base; 12. motor; 13. body; 14. positioning frame; 2. support structure; 21. fixing plate; 22. fixing frame; 23. first bearing; 24. support spring 1; 25. threaded rod; 26. support plate; 27. second bearing; 3. protection structure; 31. support spring 2; 32. anti-wear plate; 33. positioning strip; 34. ball; 35. rubber pad. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-5 , an embodiment provided by the utility model:

[0025] A construction steel bar cutting machine, comprising:

[0026] The device body 1 includes a support base 11, a motor 12 is connected to one side of the surface of the support base 11, one end of the motor 12 is connected to the body 13, and a positioning frame 14 is connected to the other side of the surface of the support base 11. The mechanical components in the body 13 are prior art and can be purchased on the market. They are not used as technical protection points of this application, so no excessive description is made;

[0027] One side of the positioning frame 14 is connected to a supporting structure 2, including a fixing plate 21, a fixing frame 22 is connected to the surface of the fixing plate 21, a first bearing 23 is connected inside the fixing frame 22, one end of the first bearing 23 is movably connected to a supporting spring 24, one end of the supporting spring 24 is connected to a threaded rod 25, one end of the threaded rod 25 is connected to a supporting plate 26, and a second bearing 27 is sleeved on the outer wall of the threaded rod 25.

[0028] Furthermore, a thread groove is formed on one end surface of the fixing frame 22 , and the threaded rod 25 is rotatably connected to the inside of the thread groove formed on the fixing frame 22 , so that the threaded rod 25 is limited in movement through the thread groove formed on the fixing frame 22 .

[0029] Furthermore, one end of the first bearing 23 is connected to one side of the inner wall of the thread groove opened in the fixing frame 22 , and the outer ring of the second bearing 27 is connected to the inner wall of the thread groove opened in the fixing frame 22 , so that the threaded rod 25 is supported by the second bearing 27 .

[0030] Furthermore, the inner ring surface of the second bearing 27 is provided with threads, and the first bearing 23 and the threaded rod 25 are elastically connected via a support spring 1 24 , thereby achieving connection between the first bearing 23 and the threaded rod 25 via the support spring 1 24 .

[0031] Furthermore, a protective structure 3 is internally connected to one side of the positioning frame 14, and the protective structure 3 includes a supporting spring 2 31, and one end of the supporting spring 2 31 is connected to a wear-resistant plate 32, and the upper and lower surfaces of the wear-resistant plate 32 are connected to positioning strips 33, and the surface of the wear-resistant plate 32 is provided with balls 34, and the outer walls of the upper and lower ends of the wear-resistant plate 32 are sleeved with rubber pads 35, so as to protect the positioning frame 14 by reducing the friction between the steel bar and the wear-resistant plate 32.

[0032] Furthermore, the rubber pads 35 are fixedly connected to the outer walls of the upper and lower ends of the wear plate 32 , and the wear plate 32 and the ball bearings 34 are movably connected, so that the ball bearings 34 assist the steel bars moving on the surface of the wear plate 32 .

[0033] Furthermore, a groove is formed on one side of the positioning frame 14 , and one end of the second support spring 31 is connected to one side of the inner wall of the groove formed on the positioning frame 14 , so that one end of the second support spring 31 is limited by the groove formed on the positioning frame 14 .

[0034] Working principle: When the construction steel bar cutting machine is supported, the surface of the support plate 26 is pressed against the surface of one end of the steel bar. When the steel bar is cut, the steel bar squeezes the support plate 26 to shrink, so that the support plate 26 squeezes the support spring 24 to shrink, and while the threaded rod 25 shrinks, it rotates inside the threaded groove opened in the fixed frame 22, and the first bearing 23 is used to ensure that the threaded rod 25 does not affect the angle of the support spring 24 when rotating, and the second bearing 27 is used to assist the threaded rod 25 in rotating while providing auxiliary support to the threaded rod 25, and after the support plate 26 is not subjected to pressure, the support spring 24 supports the threaded rod 25 to reset, thereby realizing the repeated support function of the support plate 26 and making its movement more stable.

[0035] When protecting the construction steel bar cutting machine, the steel bars are inserted inside along the positioning frame 14 so that the steel bars are against the surface of the anti-wear plate 32, and the positioning strips 33 are used to assist the anti-wear plate 32 in positioning the steel bars, and the anti-wear plate 32 squeezes the support spring 2 31 to contract, so that the steel bars and the positioning frame 14 are in flexible contact, and when the steel bars move, the balls 34 arranged on the surface of the anti-wear plate 32 assist the steel bars to move, and the anti-wear plate 32 is protected by the rubber pad 35 sleeved on the outer wall of the anti-wear plate 32, thereby reducing the friction between the steel bars and the anti-wear plate 32, so that the positioning frame 14 can be protected.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A construction steel bar cutting machine, characterized in that: include: The device body (1) comprises a support base (11), one side of the surface of the support base (11) is connected to a motor (12), one end of the motor (12) is connected to an organism (13), and the other side of the surface of the support base (11) is connected to a positioning frame (14); One side of the positioning frame (14) is connected to a support structure (2), comprising a fixing plate (21), a surface of the fixing plate (21) is connected to a fixing frame (22), the fixing frame (22) is internally connected to a first bearing (23), one end of the first bearing (23) is movably connected to a support spring (24), one end of the support spring (24) is connected to a threaded rod (25), one end of the threaded rod (25) is connected to a support plate (26), and the outer wall of the threaded rod (25) is sleeved with a second bearing (27).

2. A construction steel bar cutting machine according to claim 1, characterized in that: A thread groove is formed on one end surface of the fixing frame (22), and the threaded rod (25) is rotatably connected to the inside of the thread groove formed on the fixing frame (22).

3. A construction steel bar cutting machine according to claim 1, characterized in that: One end of the first bearing (23) is connected to one side of the inner wall of the thread groove opened on the fixing frame (22), and the outer ring of the second bearing (27) is connected to the inner wall of the thread groove opened on the fixing frame (22).

4. A construction steel bar cutting machine according to claim 1, characterized in that: The inner ring surface of the second bearing (27) is provided with threads, and the first bearing (23) and the threaded rod (25) are elastically connected via a supporting spring 1 (24).

5. The construction steel bar cutting machine according to claim 1, characterized in that: A protective structure (3) is internally connected to one side of the positioning frame (14), and the protective structure (3) includes a second support spring (31). One end of the second support spring (31) is connected to an anti-wear plate (32). Positioning strips (33) are connected to the upper and lower surfaces of the anti-wear plate (32). Ball bearings (34) are arranged on the surface of the anti-wear plate (32). Rubber pads (35) are sleeved on the outer walls of the upper and lower ends of the anti-wear plate (32).

6. A construction steel bar cutting machine according to claim 5, characterized in that: The rubber pad (35) is fixedly connected to the outer walls of the upper and lower ends of the anti-wear plate (32), and the anti-wear plate (32) and the ball (34) are arranged to be movably connected.

7. A construction steel bar cutting machine according to claim 5, characterized in that: A groove is formed on one side of the surface of the positioning frame (14), and one end of the second support spring (31) is connected to one side of the inner wall of the groove formed on the positioning frame (14).