Rebar straightening machine automatic rack with safe sizing function

Abstract

This utility model provides an automatic material rack for a rebar straightening machine with a safe length-fixing function, belonging to the technical field of rebar straightening machines. It includes a material rack connected to the discharge end of the rebar straightening machine, with a receiving trough directly opposite the discharge end. A baffle plate is positioned above the receiving trough on the material rack, and a length-fixing mechanism is slidably mounted on one side of the receiving trough on the material rack. A base plate is movably mounted at the bottom of the receiving trough. After the rebar is straightened and output by the rebar straightening machine, the rebar passes through the receiving trough until it contacts the length-fixing mechanism and stops. The baffle plate blocks the opening in the receiving trough, effectively preventing the rebar from bouncing out of the receiving trough during transport, thus improving production safety during the rebar straightening process.

Description

Technical Field

[0001] This utility model relates to the field of rebar straightening machine technology, and in particular to an automatic material rack for a rebar straightening machine with a safe length setting function. Background Technology

[0002] A rebar straightening machine is a specialized piece of equipment used in construction engineering to straighten coiled or bent rebars and cut them to specified lengths. It is one of the indispensable key pieces of equipment in the modernization and automation of rebar processing.

[0003] Patent CN219335764U discloses a novel rebar straightening machine, including a wire feeding turntable, a rebar cage, and a machine body. A straightening assembly is connected to the middle of the top of the machine body. Conveyor boxes are symmetrically connected to both sides of the straightening assembly on the top of the machine body. A guide frame is provided on one side of the top of the machine body. A shearing device is connected between the guide frame and the machine body. Multiple rebar storage slot support plates are sequentially provided on the guide frame. A rebar alignment device is connected to the middle of the guide frame. An inlet assembly is connected to the top of the machine body away from the guide frame.

[0004] After the steel bars are straightened and conveyed to the guide rack, the steel bar straightening machine needs to stop conveying the steel bars forward after the steel bars are fixed in length. However, during the process of stopping the output of steel bars at the fixed length, there is an unexpected situation. If the length-fixing mechanism is not triggered in time, the steel bars in the guide rack can easily jump out of the rack, posing a safety risk to the surrounding production personnel. Utility Model Content

[0005] In view of the above problems, this utility model provides an automatic material rack for a steel bar straightening machine with a safe length setting function.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] An automatic material rack for a rebar straightening machine with a safe length-fixing function is provided. The rack includes a material rack connected to the discharge end of the rebar straightening machine. The material rack is provided with a receiving groove directly opposite the discharge end of the rebar straightening machine. A baffle plate is provided on the material rack above the receiving groove. A length-fixing mechanism is slidably provided on the material rack on one side of the receiving groove. A first drive assembly is provided on the material rack to drive the length-fixing mechanism to move. A bottom plate is movably provided at the bottom of the receiving groove. A second drive assembly is provided on the material rack to drive the bottom plate to move to open the bottom opening of the receiving groove.

[0008] Furthermore, the length-fixing mechanism includes a movable seat, a first slide rail is fixedly installed on one side of the receiving groove on the material rack, the movable seat is slidably installed on the first slide rail, a rotating rod is rotatably installed on the movable seat, the bottom end of the rotating rod extends into the receiving groove, a cylindrical proximity sensor is installed at the top end of the rotating rod, a limit hole is provided on the movable seat, the cylindrical proximity sensor passes through the limit hole, the bottom end of the rotating rod hangs down by its own weight to make the cylindrical proximity sensor centered in the limit hole, and the bottom end of the rotating rod is pushed to rotate by the steel bars in the receiving groove to make the cylindrical proximity sensor approach the inner wall of the limit hole;

[0009] The first drive assembly includes a first drive motor, a drive gear, and a rack. A rack is provided on the material rack along the length of the receiving groove. The first drive motor is fixedly mounted on the movable seat. The drive gear meshes with the rack. The first drive motor is used to drive the drive gear to rotate.

[0010] Furthermore, a guide block is located on the side of the rotating rod near the rebar straightening machine on the movable seat. A guide slope is provided on the bottom end of the guide block near the rebar straightening machine, and the bottom end of the rotating rod is lower than the bottom end of the guide block.

[0011] Furthermore, a stop block is provided on the side of the movable seat away from the rebar straightening machine on the side of the rotating rod. The stop block extends into the receiving trough, and the rebar abuts against the stop block after passing the bottom end of the rotating rod.

[0012] Furthermore, the movable seat is provided with a second slide rail parallel to the length direction of the receiving groove, and the stop block is slidably disposed on the second slide rail. The stop block is provided with a threaded hole, and the stop block is fixedly connected to the movable seat by a fastening bolt. The fastening bolt is threadedly connected in the threaded hole and abuts against the movable seat.

[0013] Furthermore, multiple baffles are provided along the length of the receiving groove, and the baffles are horizontally slidably arranged on the material rack along the width of the receiving groove. The material rack is provided with elastic members corresponding to the baffles and used to drive the baffles to move to close the opening on the receiving groove. The moving seat is provided with a clearance component for driving the baffles on the moving path of the moving seat to move to one side to open the opening on the receiving groove.

[0014] Furthermore, the clearance component includes a guide plate and guide wheels. The guide plate is fixedly connected to the movable seat. Guide surfaces are provided at both ends of the guide plate along the length of the receiving groove. Each baffle plate is rotatably provided with a guide wheel. The guide wheels roll on the guide plate to push the baffle plate to move.

[0015] The beneficial effects of this utility model are as follows: After the steel bar straightening machine outputs the straightened steel bar, the steel bar passes through the receiving trough until it comes into contact with the length fixing mechanism and then stops. The steel bar is blocked by the baffle plate in the receiving trough, which effectively prevents the steel bar from being blocked during the conveying process in the receiving trough and causing the steel bar to bounce out of the receiving trough, thus improving the safety of the steel bar straightening output process. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the rebar straightening machine according to an embodiment of this application.

[0017] Figure 2 This is a partial structural diagram of the material rack according to an embodiment of this application.

[0018] Figure 3 This is a partial structural schematic diagram of the material rack from another perspective of an embodiment of this application.

[0019] Figure 4 This is a schematic diagram of the length-fixing mechanism according to an embodiment of this application.

[0020] Figure 5 This is a schematic diagram of the internal structure of the baffle plate in an embodiment of this application.

[0021] The components include: 1. Material rack; 11. Receiving trough; 2. Length fixing mechanism; 21. Moving seat; 22. Slide rail; 23. Rotating rod; 24. Cylindrical proximity sensor; 25. Limiting hole; 26. Guide block; 27. Stop block; 271. Second slide rail; 272. Threaded hole; 28. Guide plate; 3. Stop plate; 31. Elastic element; 32. Guide wheel; 4. Base plate; 51. First drive motor; 52. Drive gear; 53. Rack; 6. Rebar straightening machine. Detailed Implementation

[0022] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0023] This application discloses an automatic material rack 1 for a steel bar straightening machine 6 with a safe length-fixing function, referring to... Figure 1 , Figure 2 and Figure 3 The system includes a rebar straightening machine 6 and a material rack 1. The material rack 1 is located on one side of the discharge end of the rebar straightening machine 6. A receiving groove 11 is provided on the material rack 1 along its own length direction. The receiving groove 11 is composed of two parallel and spaced side plates. The top and bottom of the receiving groove 11 are open. A bottom plate 4 is provided at the bottom opening of the receiving groove 11. A second drive assembly is provided on the material rack 1 to drive the bottom plate 4 to move, thereby realizing the opening and closing of the lower opening of the receiving groove 11. A baffle plate 3 is provided on the material rack 1 to close the upper opening of the receiving groove 11. One end opening of the receiving groove 11 is aligned with the discharge end of the rebar straightening machine 6. A length fixing mechanism 2 is provided on the material rack 1. The length fixing mechanism 2 is located on one side of the receiving groove 11 and is used to determine the length of the rebar after passing through the rebar straightening machine 6 and entering the receiving groove 11. A first drive assembly is provided on the material rack 1 to drive the length fixing mechanism 2 to slide along the length direction of the receiving groove 11.

[0024] Reference Figure 4 In this embodiment, the length-fixing mechanism 2 includes a movable base 21. A first slide rail 22 is parallel to one side of the receiving groove 11 on the material rack 1, and the movable base 21 is slidably connected to the first slide rail 22. A rotating rod 23 is rotatably mounted on the movable base 21. The bottom end of the rotating rod 23 extends into the receiving groove 11, and a cylindrical proximity sensor 24 is connected to the top end of the rotating rod 23. A limiting hole 25 is provided on the movable base 21, and the cylindrical proximity sensor 24 passes through the limiting hole 25. The bottom end of the rotating rod 23 hangs down by its own weight to keep the cylindrical proximity sensor 24 in a normally centered state in the limiting hole 25. When the reinforcing bar in the receiving groove 11 passes through, the reinforcing bar abuts against the bottom end of the rotating rod 23, causing the rotating rod 23 to move downwards. 3. Unidirectional rotation: The cylindrical proximity sensor 24 at the top of the rotating rod 23 approaches or abuts the inner wall of the limiting hole 25. The cylindrical proximity sensor 24 is electrically connected to the industrial control terminal, which is also electrically connected to the rebar straightening machine 6. The industrial control terminal receives the distance between the cylindrical proximity sensor 24 and the inner wall of the limiting hole 25 in real time. When the distance is less than the set syntactic distance, it is determined that the rebar has passed the rotating rod 23, and the industrial control terminal controls the rebar straightening machine 6 to stop outputting rebar to the receiving trough 11. After the rebar is discharged from the opening below the receiving trough 11, the rotating rod 23 rotates back to its original position under the action of gravity.

[0025] To ensure that the rotating rod 23 can quickly return to the centered state of the cylindrical proximity sensor 24 in the limiting hole 25 when it rotates and resets, in this embodiment of the application, a limiting block is fixed on the moving seat 21. When the rotating rod 23 rotates and returns to its original position under the action of gravity, the rotating rod 23 abuts against the limiting block, that is, it restricts the cylindrical proximity sensor 24 from being centered in the limiting hole 25, and avoids the situation of false start caused by the reciprocating rotation of the rotating block during the reset process.

[0026] In this embodiment, the first drive assembly includes a first drive motor 51, a drive gear 52, and a rack 53. The rack 53 is fixedly mounted on the material rack 1 along the length of the receiving groove 11. The first drive motor 51 is fixedly mounted on the movable seat 21 by bolts. The drive gear 52 is coaxially connected to the output shaft of the first drive motor 51, and the drive gear 52 meshes with the rack 53. The first drive motor 51 drives the drive gear 52 to rotate in both directions, causing the movable seat 21 to slide on the first slide rail 22.

[0027] Furthermore, to ensure that the contact point of the rebar against the rotating rod 23 is close to the bottom of the rotating rod 23 when it touches the receiving trough 11, and to prevent damage to the cylindrical proximity sensor 24 of the rotating rod 23 due to an excessively high contact point, a guide block 26 is provided on the movable base 21 on the side of the rotating rod 23 closest to the rebar straightening machine 6. The bottom of the guide block 26, on the side closest to the rebar straightening machine 6, has a guide slope, and the bottom of the rotating rod 23 is lower than the bottom of the guide block 26. When the rebar is fed into the receiving trough 11, the end of the rebar abuts against the guide slope. Under the guidance of the guide block 26, the end of the rebar passes under the guide block 26, ensuring that the contact point of the rebar against the rotating rod 23 is close to the bottom of the rotating rod 23.

[0028] To ensure that the reinforcing bar stops feeding promptly after passing the rotating rod 23, in this embodiment, a stop block 27 is provided on the side of the movable seat 21 away from the reinforcing bar straightening machine 6. The stop block 27 extends into the receiving groove 11, and the reinforcing bar abuts against the stop block 27 after passing the bottom end of the rotating rod 23. Furthermore, a second slide rail 27122 is fixedly installed on the transfer seat. The second slide rail 27122 is parallel to the length direction of the receiving groove 11. The stop block 27 is slidably connected to the second slide rail 27122. A threaded hole 272 is provided on the stop block 27. The stop block 27 is fixedly connected to the movable seat 21 by a fastening bolt. The fastening bolt is threaded into the threaded hole 272 and abuts against the movable seat 21. The operator can adjust the position of the stop block 27 on the movable seat 21 to adjust the distance between the stop block 27 and the rotating rod 23, thereby adapting to the response time of the cylindrical proximity sensor 24 from triggering to controlling the rebar straightening machine 6 to stop feeding, so that the stop block 27 can stop the rebar in time.

[0029] Reference Figure 5 To ensure that the rotating rod 23, guide block 26, and stop block 27 on the moving seat 21 can smoothly enter the receiving groove 11 and maintain the blocking effect of the baffle plate 3 on the top opening of the receiving groove 11 during operation, in this embodiment, multiple baffle plates 3 are provided along the length of the receiving groove 11. Each baffle plate 3 is horizontally slidable on the material rack 1 along the width of the receiving groove 11. By sliding the baffle plates 3, the upper opening of the receiving groove 11 can be opened / closed. An elastic element 31 corresponding to the baffle plate 3 and used to drive the baffle plate 3 to slide and maintain the closure of the upper opening of the receiving groove 11 is provided on the material rack 1. Specifically, the elastic element 31 can be a spring, with one end abutting against the material rack 1 and the other end abutting against the baffle plate 3. To ensure the pushing effect of the elastic element 31 on the baffle plate 3, each baffle plate 3 is provided with at least three elastic elements 31.

[0030] A clearance assembly is provided on the movable seat 21 to move the baffle plates 3 on the moving path of the movable seat 21 to one side to open the opening on the receiving groove 11. Specifically, the clearance assembly can be composed of a guide plate 28 and a guide wheel 32. A connecting shaft is vertically fixed to the middle of each baffle plate 3, and a guide wheel 32 is rotatably mounted on the connecting shaft. The guide plate 28 is fixed on the movable seat 21 on the side near the guide wheel 32. Guide surfaces are provided at both ends of the guide plate 28 along the length of the receiving groove 11, and the guide surfaces are inclined away from the side away from the guide wheel 32. When the movable seat 21 moves on the material rack 1, the guide wheel 32 on the path rolls over the side of the guide plate 28 facing the guide wheel 32. Through the guide surfaces on both sides of the guide plate 28, the baffle plates 3 on the path can be pushed to slide, so that only the baffle plate 3 located at the movable seat 21 and pushed by the guide plate 28 opens, while the rest remains closed, maintaining a safe production state.

[0031] In this embodiment, the second driving component can be a driving cylinder. A crank is fixedly connected to the base plate 4, and the end of the crank away from the base plate 4 is rotatably connected to the material rack 1. The driving cylinder is installed on the material rack 1 and drives the crank to rotate. An inclined feeding plate is provided on the material rack 1 below the receiving groove 11. After the steel bar is cut to length, it can be cut manually or automatically. Then, the driving cylinder drives the base plate 4 to rotate and open the lower opening of the receiving groove 11. Under the action of gravity, the steel bar naturally slides down to the feeding plate below and is fed out.

[0032] Those skilled in the art will understand that although preferred embodiments of the present invention have been described, those skilled in the art, once they understand the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention. Clearly, those skilled in the art can make various alterations and modifications to the present invention without departing from its spirit and scope. Thus, if these modifications and modifications of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention also intends to include these modifications and modifications.

Claims

1. An automatic material rack (1) for a steel bar straightening machine (6) with a safety length-fixing function, comprising a material rack (1) connected to the discharge end of the steel bar straightening machine (6), characterized in that: The material rack (1) is provided with a receiving groove (11) directly opposite the discharge end of the rebar straightening machine (6). A baffle plate (3) is provided on the material rack (1) above the receiving groove (11). A length fixing mechanism (2) is slidably provided on one side of the receiving groove (11) on the material rack (1). A first driving component for driving the length fixing mechanism (2) to move is provided on the material rack (1). A bottom plate (4) is movably provided at the bottom of the receiving groove (11). A second driving component for driving the bottom plate (4) to move to open the bottom opening of the receiving groove (11) is provided on the material rack (1).

2. The automatic stock rack (1) of a reinforcing bar straightening machine (6) with a safe sizing function according to claim 1, characterized in that, The fixed length mechanism (2) includes a movable seat (21). A first slide rail (22) is fixedly installed on one side of the receiving groove (11) on the material rack (1). The movable seat (21) is slidably installed on the first slide rail (22). A rotating rod (23) is rotatably installed on the movable seat (21). The bottom end of the rotating rod (23) extends into the receiving groove (11). A cylindrical proximity sensor (24) is installed at the top end of the rotating rod (23). A limiting hole (25) is provided on the movable seat (21). The cylindrical proximity sensor (24) passes through the limiting hole (25). The bottom end of the rotating rod (23) hangs down by its own weight so that the cylindrical proximity sensor (24) is centered in the limiting hole (25). The bottom end of the rotating rod (23) is pushed to rotate by the steel bars in the receiving groove (11) so that the cylindrical proximity sensor (24) approaches the inner wall of the limiting hole (25). The first drive assembly includes a first drive motor (51), a drive gear (52) and a rack (53). The rack (53) is provided on the material rack (1) along the length direction of the receiving groove (11). The first drive motor (51) is fixedly mounted on the movable seat (21). The drive gear (52) meshes with the rack (53). The first drive motor (51) is used to drive the drive gear (52) to rotate.

3. The automatic stock rack (1) of a reinforcing bar straightening machine (6) with a safe sizing function according to claim 2, characterized in that, The guide block (26) on the movable seat (21) is located on the side of the rotating rod (23) near the rebar straightening machine (6). The bottom end of the guide block (26) is provided with a guide slope on the side of the rebar straightening machine (6). The bottom end of the rotating rod (23) is lower than the bottom end of the guide block (26).

4. The automatic stock rack (1) of a reinforcing bar straightening machine (6) with a safe sizing function according to claim 2, characterized in that, A stop block (27) is provided on the side of the movable seat (21) away from the rebar straightening machine (6) on the rotating rod (23). The stop block (27) extends into the receiving groove (11). After the rebar passes the bottom end of the rotating rod (23), it abuts against the stop block (27).

5. The automatic stock rack (1) of a reinforcing bar straightening machine (6) with a safe sizing function according to claim 4, characterized in that, The movable seat (21) is provided with a second slide rail (271)(22) parallel to the length direction of the receiving groove (11). The stop block (27) is slidably disposed on the second slide rail (271)(22). The stop block (27) is provided with a threaded hole (272). The stop block (27) is fixedly connected to the movable seat (21) by a fastening bolt. The fastening bolt is threaded in the threaded hole (272) and abuts against the movable seat (21).

6. The automatic stock rack (1) of a reinforcing bar straightening machine (6) with a safe sizing function according to claim 2, characterized in that, Multiple baffle plates (3) are arranged along the length of the receiving groove (11). The baffle plates (3) are horizontally slidably arranged on the material rack (1) along the width of the receiving groove (11). The material rack (1) is provided with an elastic element (31) corresponding to the baffle plates (3) and used to drive the baffle plates (3) to move to close the opening on the receiving groove (11). The moving seat (21) is provided with a clearance component for driving the baffle plates (3) on the moving path of the moving seat (21) to move to one side to open the opening on the receiving groove (11).

7. The automatic stock rack (1) of a reinforcing bar straightening machine (6) with a safe sizing function according to claim 6, characterized in that, The clearance assembly includes a guide plate (28) and a guide wheel (32). The guide plate (28) is fixedly connected to the movable seat (21). The guide plate (28) has guide surfaces at both ends along the length of the receiving groove (11). Each baffle plate (3) is rotatably provided with a guide wheel (32). The guide wheel (32) rolls on the guide plate (28) to push the baffle plate (3) to move.

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