Reinforcing steel bar straightening machine for building construction
By introducing auxiliary limiting and straightening mechanisms into the rebar straightening machine, and using servo motors to drive the screw and straightening rollers, the problem of insufficient adaptability of existing straightening machines to rebars of different diameters is solved, achieving stable clamping and efficient straightening.
Patent Information
- Application Number
- CN202520580929.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-31
AI Technical Summary
Existing straightening machines lack flexibility and adaptability when clamping reinforcing bars, making it difficult to adapt to reinforcing bars of different diameters. Furthermore, the fixed roller spacing makes it impossible to meet the straightening requirements of reinforcing bars of different diameters.
A steel bar straightening machine for building construction was designed. It adopts an auxiliary limiting mechanism and a straightening mechanism. The screw and straightening roller are driven by a servo motor to achieve stable clamping and continuous straightening of steel bars of different diameters.
The device has been improved in terms of versatility and straightening efficiency, and can adapt to steel bars of different diameters, thus improving the stability and quality of straightening.
Smart Images
Figure CN223916500U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a reinforcing bar straightening machine technical field especially relates to a reinforcing bar straightening machine for building construction. BACKGROUND
[0002] The straightening machine is a kind of mechanical equipment widely used in metal processing industry, mainly used to straighten the metal bar, pipe, wire rod and so on to restore its original straightness or specific geometric shape. Straightening machine is through a series of precision design straightening mechanism, such as straightening roller, pressure device, to the metal material proper pressure or tension, effectively eliminate its internal stress, improve the straightness and surface quality of material, meet the needs of subsequent processing or use.
[0003] Although the existing straightening machine plays an important role in the straightening treatment of metal materials, part of the straightening machine lacks enough flexibility and adaptability when clamping reinforcing bar, and it is difficult to deal with reinforcing bar of different diameters. In addition, the current straightening of reinforcing bar is realized by the way of double roller extrusion, but the distance between the rollers is usually fixed, which cannot meet the needs of straightening reinforcing bar of different diameters, and is inconvenient to use. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at solving the shortcomings in prior art and provides a reinforcing bar straightening machine for building construction.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A reinforcing bar straightening machine for building construction, comprising a base, the top of the base is fixedly installed with two first fixed blocks and two second fixed blocks, a bidirectional screw is rotatably connected between the two first fixed blocks, a guide rod is fixedly connected between the two second fixed blocks, the top of the base is fixedly installed with two fixed hole seats between the bidirectional screw and the guide rod, a plurality of installation grooves are formed in each of the two fixed hole seats, two moving hole plates are symmetrically arranged on the bidirectional screw, a plurality of auxiliary limiting mechanisms are arranged on the side of each of the two moving hole plates close to each other, a displacement groove is formed in the top of the base between the two fixed hole seats, and a straightening mechanism is arranged on the base.
[0007] Preferably, the auxiliary limiting mechanism comprises an insertion rod fixedly installed on the side wall of the moving hole plate close to the fixed hole seat, a square rod is slidably connected with the inner wall of one side of the installation groove and penetrates through the inner wall, a resisting block is fixedly installed on one end of the square rod in the fixed hole seat, a matching block is fixedly installed on one end of the square rod in the installation groove, and a spring is fixedly connected between the matching block and the inner wall of the side of the installation groove close to the resisting block.
[0008] Preferably, the straightening mechanism comprises a first one-way screw rotatably connected between the inner walls of both ends of the displacement groove, a displacement block is arranged on the first one-way screw in threaded connection, the displacement block is slidably connected with the bottom of the displacement groove, an auxiliary groove is formed in the displacement block, two slide rods are fixedly installed between the inner walls of both sides of the auxiliary groove, two sliding blocks are arranged on the two slide rods in slidable connection, a second one-way screw is arranged in the inner top of the auxiliary groove in threaded connection, a sliding plate is rotatably connected to the bottom of the second one-way screw, the sliding plate is slidably connected with the inner walls of both sides of the auxiliary groove, a knob is fixedly installed on the top of the second one-way screw, straightening rollers are rotatably connected between the two sliding blocks in the same axial direction of the second one-way screw, and one end of a connecting rod is rotatably connected to the top of the two sliding blocks close to the sliding plate.
[0009] Preferably, the two fixed hole seats are located between the two movable hole plates, the guide rod penetrates through the two movable hole plates and is slidably connected with the two movable hole plates.
[0010] Preferably, a first servo motor is fixedly installed on the outer wall of one of the first fixed blocks, one end of the bidirectional screw rod penetrates through one of the first fixed blocks and is fixedly connected with the output shaft of the first servo motor, the plug rod is in the shape of a right trapezoid, and the matching block is in the shape of a right triangle.
[0011] Preferably, a second servo motor is fixedly installed on one side of the base, and one end of the first one-way screw rod penetrates through one end of the inner wall of the displacement groove and is fixedly connected with the output shaft of the second servo motor.
[0012] The beneficial effects of the utility model are as follows:
[0013] By setting the auxiliary limiting mechanism and the straightening mechanism, the straight parts at both ends of the steel bar can be simultaneously pressed, the stability during the straightening process is ensured, the device can adapt to steel bars of different diameters, the universality of the device is enhanced, and meanwhile, the sliding of the displacement block in the displacement groove facilitates the continuous straightening of different parts of the steel bar, and the straightening efficiency and quality are improved. ACCURACY OF DRAWINGS
[0014] Fig. 1 The utility model provides a kind of reinforcing bar straightening machine for building construction three-dimensional structure schematic diagram;
[0015] Fig. 2 It is the plane structure schematic diagram of the auxiliary limiting mechanism of the utility model;
[0016] Fig. 3 It is the plane structure schematic diagram of the displacement block of the utility model.
[0017] In the figure: 1 base, 2 first fixed block, 3 first servo motor, 4 bidirectional screw rod, 5 moving hole plate, 6 second fixed block, 7 insertion rod, 8 guide rod, 9 fixed hole seat, 10 installation groove, 11 stop block, 12 knob, 13 displacement block, 14 auxiliary groove, 15 sliding plate, 16 displacement groove, 17 second servo motor, 18 first one-way screw rod, 19 matching block, 20 spring, 21 square rod, 22 second one-way screw rod, 23 connecting rod, 24 sliding rod, 25 sliding block, 26 straightening roller. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0019] Reference Figs. 1-3 A reinforcing steel bar straightening machine for building construction, comprising a base 1, the top of the base 1 is fixedly provided with two first fixed blocks 2 and two second fixed blocks 6, a bidirectional screw rod 4 is rotatably connected between the two first fixed blocks 2, a guide rod 8 is fixedly connected between the two second fixed blocks 6, the top of the base 1 is fixedly provided with two fixed hole seats 9 between the bidirectional screw rod 4 and the guide rod 8, the fixed hole seats 9 are used for installing auxiliary limiting mechanisms, a plurality of installation grooves 10 are formed in each of the two fixed hole seats 9, two moving hole plates 5 are symmetrically provided on the bidirectional screw rod 4 in a threaded manner, a plurality of auxiliary limiting mechanisms are arranged on the side of each of the two moving hole plates 5 close to each other, the auxiliary limiting mechanism comprises an insertion rod 7 fixedly installed on the side wall of the moving hole plate 5 close to the fixed hole seat 9, the insertion rod 7 cooperates with a matching block 19 to realize the limiting function, a square rod 21 is arranged in sliding connection with the inner wall of one side of the installation groove 10, a stop block 11 is fixedly installed at one end of the square rod 21 located in the fixed hole seat 9, a matching block 19 is fixedly installed at one end of the square rod 21 located in the installation groove 10, a spring 20 is fixedly connected between the matching block 19 and the inner wall of the side of the installation groove 10 close to the stop block 11, the two fixed hole seats 9 are located between the two moving hole plates 5, the guide rod 8 penetrates through the two moving hole plates 5 and is in sliding connection with the two moving hole plates 5, a first servo motor 3 is fixedly installed on the outer wall of one of the first fixed blocks 2, one end of the bidirectional screw rod 4 penetrates through the first fixed block 2 and is fixedly connected with the output shaft of the first servo motor 3, the insertion rod 7 is in the shape of a right trapezoid, and the matching block 19 is in the shape of a right triangle.
[0020] The top of the base 1 is provided with a displacement slot 16 between the two fixed hole seats 9, and the base 1 is provided with a straightening mechanism, which comprises a first one-way screw rod 18 rotatably connected between the inner walls at the two ends of the displacement slot 16, a displacement block 13 threadedly connected to the first one-way screw rod 18, the rotation of the first one-way screw rod 18 drives the displacement block 13 to move, so as to straighten the steel bars at different positions, the displacement block 13 is slidably connected to the bottom of the displacement slot 16, the displacement block 13 is provided with an auxiliary slot 14, two slide rods 24 are fixedly installed between the inner walls of the two sides of the auxiliary slot 14, the slide rods 24 provide sliding tracks for the sliding blocks 25, two sliding blocks 25 are slidably connected to the two slide rods 24, a second one-way screw rod 22 is threadedly connected to the inner top of the auxiliary slot 14, a sliding plate 15 is rotatably connected to the bottom of the second one-way screw rod 22, the sliding plate 15 is slidably connected to the inner walls of the two sides of the auxiliary slot 14, a knob 12 is fixedly installed at the top of the second one-way screw rod 22, the knob 12 is convenient for manual operation, drives the second one-way screw rod 22 to rotate, two straightening rollers 26 are rotatably connected between the two sliding blocks 25 in the same axial direction of the second one-way screw rod 22, one end of the connecting rod 23 is rotatably connected to the top of the two sliding blocks 25 close to the sliding plate 15, the other end of the two connecting rods 23 is rotatably connected to the bottom of the sliding plate 15, and a second servo motor 17 is fixedly installed on the outer wall of one side of the base 1, and one end of the first one-way screw rod 18 penetrates through the inner wall of one end of the displacement slot 16 and is fixedly connected with the output shaft of the second servo motor 17.
[0021] In use, the steel bar to be straightened is inserted through the two movable hole plates 5, the two fixed hole seats 9 and the auxiliary slot 14, and is located between the two straightening rollers 26, then the first servo motor 3 is started to drive the bidirectional screw rod 4 to rotate, the guide rod 8 is arranged, so that the two movable hole plates 5 can be moved close to each other, when the two movable hole plates 5 move close to each other, the plug rod 7 gradually moves close to the matching block 19, the inclined surface on the plug rod 7 and the inclined surface of the matching block 19 are matched with each other, so that the plurality of matching blocks 19 can move close to each other, the spring 20 is compressed, the square rod 21 is arranged, so that the four resisting blocks 11 can move close to each other, in this way, the straight part of the steel bar can be clamped and limited, then the knob 12 is rotated to drive the second one-way screw rod 22 to rotate, the second one-way screw rod 22 is rotatably connected with the sliding plate 15, and the sliding plate 15 is slidably connected with the inner walls of the two sides of the auxiliary slot 14 and cannot rotate, so that the sliding plate 15 can move downward, the connecting rod 23, the sliding block 25 and the slide rod 24 are arranged, so that the two straightening rollers 26 can move close to each other, so as to straighten the steel bar, the second servo motor 17 is started to drive the first one-way screw rod 18 to rotate, so that the displacement block 13 can slide left and right in the displacement slot 16, and different parts of the steel bar can be straightened.
[0022] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A steel bar straightening machine for building construction, comprising a base (1), characterized in that, The top of the base (1) is fixedly installed with two first fixing blocks (2) and two second fixing blocks (6). A bidirectional screw (4) is rotatably connected between the two first fixing blocks (2). A guide rod (8) is fixedly connected between the two second fixing blocks (6). The top of the base (1) is fixedly installed with two fixing holes (9) located between the bidirectional screw (4) and the guide rod (8). Multiple mounting slots (10) are provided on both fixing holes (9). Two symmetrically arranged movable holes (5) are threaded onto the bidirectional screw (4). Multiple auxiliary limiting mechanisms are provided on the side of the two movable holes (5) that are close to each other. A displacement groove (16) is provided on the top of the base (1) located between the two fixing holes (9). A straightening mechanism is provided on the base (1).
2. The steel bar straightening machine for building construction according to claim 1, characterized in that, The auxiliary limiting mechanism includes a rod (7) fixedly installed on the side wall of the movable perforated plate (5) near the fixed hole seat (9). A square rod (21) is slidably connected to the inner wall of the mounting groove (10). A stop block (11) is fixedly installed at one end of the square rod (21) located in the fixed hole seat (9). A mating block (19) is fixedly installed at the other end of the square rod (21) located in the mounting groove (10). A spring (20) is fixedly connected between the mating block (19) and the inner wall of the mounting groove (10) near the stop block (11).
3. A steel bar straightening machine for building construction according to claim 1, characterized in that, The straightening mechanism includes a first one-way screw (18) rotatably connected between the inner walls of both ends of the displacement groove (16). A displacement block (13) is provided on the first one-way screw (18) and threadedly connected thereto. The displacement block (13) is slidably connected to the bottom of the displacement groove (16). An auxiliary groove (14) is provided on the displacement block (13). Two slide rods (24) are fixedly installed between the inner walls of the two sides of the auxiliary groove (14). Two sliders (25) are provided on each of the two slide rods (24) and slidably connected thereto. A second one-way screw threadedly connected thereto is provided through the inner top of the auxiliary groove (14). The bottom of the screw (22) is rotatably connected to a sliding plate (15), and the sliding plate (15) is slidably connected to the inner walls of both sides of the auxiliary groove (14). A knob (12) is fixedly installed on the top of the second one-way screw (22). A straightening roller (26) is rotatably connected between two sliders (25) located on the same axis of the second one-way screw (22). One end of a connecting rod (23) is rotatably connected to the top of the two sliders (25) near the sliding plate (15), and the other end of the two connecting rods (23) is rotatably connected to the bottom of the sliding plate (15).
4. A steel bar straightening machine for building construction according to claim 1, characterized in that, Both of the fixed hole seats (9) are located between the two movable hole plates (5), and the guide rod (8) passes through the two movable hole plates (5) and is slidably connected to both movable hole plates (5).
5. A steel bar straightening machine for building construction according to claim 2, characterized in that, Firstly, a first servo motor (3) is fixedly installed on the outer wall of the first fixing block (2). One end of the bidirectional screw (4) passes through the first fixing block (2) and is fixedly connected to the output shaft of the first servo motor (3). The insert rod (7) is a right trapezoid shape, and the mating block (19) is a right triangle shape.
6. A steel bar straightening machine for building construction according to claim 3, characterized in that, A second servo motor (17) is fixedly installed on one side of the outer wall of the base (1). One end of the first one-way screw (18) passes through the inner wall of one end of the displacement groove (16) and is fixedly connected to the output shaft of the second servo motor (17).