Steel bar bending device
By designing a rebar bending device, precise bending is achieved by using electromagnetic coil heating and a fixed motor, which solves the problems of cumbersome rebar bending process and low precision, improves work efficiency and reduces manual operation.
Patent Information
- Application Number
- CN202520286858.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-21
AI Technical Summary
The existing steel bar bending process is cumbersome, with low bending accuracy and efficiency, and manual collection is required after bending, which increases the workload.
Design a rebar bending device, including guiding, feeding, bending and cutting mechanisms. The device reduces the toughness of the rebar by heating with an electromagnetic coil, and achieves precise bending using a fixing and bending motor. The rebar is then automatically collected after cutting.
It simplifies the steel bar bending process, improves bending accuracy and efficiency, reduces manual operation, and lowers the workload.
Smart Images
Figure CN223902809U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of steel bar processing technology, and in particular to a steel bar bending device. Background Technology
[0002] Reinforcing steel refers to steel used in reinforced concrete and prestressed reinforced concrete. Its cross-section is typically circular, sometimes square with rounded corners. It mainly includes plain round bars, ribbed bars, and twisted bars. In civil engineering construction, especially in mining, reinforcing steel is widely used to enhance structural stability or as a raw material for manufacturing equipment. Its applications are extensive and its usage is substantial.
[0003] In mine construction, reinforced steel support structures offer greater stability and higher construction efficiency compared to traditional timber, brick, and stone supports. Reinforcing steel is primarily used in mine support systems, ore transport equipment, mine ventilation systems, and equipment racks. Because different types of mines and different mining processes have varying requirements for reinforcing steel, workers need to bend and cut the steel according to specific construction requirements.
[0004] Currently, in the process of bending steel bars, workers generally use machines to bend them directly. However, steel bars have inherent toughness, and after machine bending, there is a certain degree of realignment, leading to bending errors that affect the bar's usability. Before bending, separate equipment is needed to reduce the steel bars' toughness, and further processing is required after bending. The bending process is cumbersome, labor-intensive, and it's difficult to ensure bending accuracy. Furthermore, after bending and cutting, manual collection and stacking are still necessary, increasing workload and reducing efficiency. Utility Model Content
[0005] The purpose of this utility model is to overcome the shortcomings of existing steel bar bending processes, such as cumbersome bending accuracy and low work efficiency, and to provide a steel bar bending device. This device has a reasonable design and ingenious structure, which can reduce the toughness of steel bars, is easy to operate, and can not only ensure bending accuracy but also improve work efficiency, resulting in good economic benefits and making it suitable for widespread application.
[0006] The utility model discloses a reinforcing bar bending device, including main part, the main part includes work table, and the top side of work table is provided with guiding mechanism, feeding mechanism and bending mechanism along reinforcing bar conveying direction in proper order, and is provided with cutting mechanism on the work table of feeding mechanism one side.
[0007] The device realizes the bending operation of the reinforcing bar through the guiding mechanism, the feeding mechanism and the bending mechanism, the electromagnetic coil heats the reinforcing bar when the reinforcing bar passes through the electromagnetic coil, the toughness of the reinforcing bar is reduced, the fixed motor drives the movable column to displace together with the fixed column to bend the reinforcing bar after the reinforcing bar displaces to the appropriate position, and the reinforcing bar is cut through the cutting machine after the bending is finished.
[0008] The utility model further improves that the pushing unit includes two pushing blocks, and the two pushing blocks are symmetrically arranged on the top side of the work table, so that a pushing channel of the reinforcing bar is formed between the two pushing blocks; the bottom end of the pushing block is connected with a pushing shaft which movably passes through the top side of the work table, the bottom end of the pushing shaft extends to the bottom side of the work table, and the bottom end of the pushing shaft is connected with a worm wheel; the bottom side of the work table is provided with a pushing motor located on one side of the worm wheel, the output end of the pushing motor is connected with a worm located between the two worm wheels, and the two worm wheels are meshed with the worm.
[0009] The utility model further improves that the fixed unit includes two fixed blocks, and the two fixed blocks are symmetrically arranged on the top side of the work table, so that a fixed channel of the reinforcing bar is formed between the two fixed blocks; the top side of the work table is provided with a through sliding groove corresponding to the fixed block, the bottom end of the fixed block movably passes through the through sliding groove and extends to the bottom side of the work table; the bottom side of the work table is provided with a fixed motor located on one side of the fixed block, the output end of the fixed motor is connected with a fixed screw rod, and the bottom end of the two fixed blocks is screw-connected with the fixed screw rod; the thread of the fixed screw rod includes a forward thread and a reverse thread which are centrally symmetrically distributed, so that the fixed screw rod can drive the two fixed blocks to move towards each other or move away from each other.
[0010] The further improvement of the utility model still has, the bending mechanism includes fixed column, fixed column sets up in the top side of work table, the top side of work table is provided with the arc shape through slide groove in fixed column one side and with fixed column same center of circle; The inside of arc shape through slide groove is provided with movable column, and the top of movable column extends to the top side of work table after passing through arc shape through slide groove, and the top of movable column and fixed column form the bending space of reinforcing steel bar between, and the bottom of movable column extends to the bottom side of work table after passing through arc shape through slide groove, and the bottom of movable column is connected with the rotating disc with fixed column same center of circle; The bottom side of work table is provided with bending motor under rotating disc, and the output of bending motor is connected with bending shaft, and the top of bending shaft is connected with the center of rotating disc.
[0011] The further improvement of the utility model still has, the top side of work table is provided with the recess behind arc shape through slide groove, and the recess is used for storing the reinforcing steel bar that has completed bending; The inside of recess is provided with the push block corresponding with reinforcing steel bar inner bend, and the side of push block towards reinforcing steel bar inner bend is provided with the arc surface corresponding with reinforcing steel bar inner bend angle; The top side of work table is provided with the guide through slide groove corresponding with push block, and the bottom of push block extends to the bottom side of work table after passing through guide through slide groove, and the bottom side of work table is provided with displacement motor in push block one side, and the output of displacement motor is connected with displacement screw, and the bottom of push block is screwed with displacement screw; Guide through slide groove is arranged obliquely, so that push block can move along guide through slide groove towards reinforcing steel bar inner bend or away from reinforcing steel bar inner bend.
[0012] The further improvement of the utility model still has, the bottom side of work table is provided with the connecting mechanism corresponding with recess, and the connecting mechanism includes the connecting groove setting in one end of recess bottom side, and the end of the bottom side of work table away from connecting groove is provided with chute, and the bottom side of work table is provided with the limiting hole in one side of connecting groove; The bottom of work table is provided with the collection frame under connecting groove, and one end of the top of collection frame is provided with sliding block, and the other end of the top of collection frame is provided with the limiting column that can be inserted with limiting hole.
[0013] The further improvement of the utility model still has, the top of sliding block is inclined plane, and the slope of inclined plane corresponds with the slope of chute; The top of limiting column is round face, and the bottom of sliding block and limiting column is connected with return spring between collection frame.
[0014] The further improvement of the utility model still has, and the reminding mechanism is set up on collection frame, and the reminding mechanism includes the connecting block setting on the inner wall of collection frame, and the spring is connected between connecting block and collection frame, and the outer wall of connecting block is connected with conducting block A, and the inside of collection frame is provided with conducting block B in one side of conducting block A; The outer wall of collection frame is provided with buzzer, and conducting block A is electrically connected with buzzer through wire, and conducting block B is electrically connected with external power supply through wire.
[0015] The further improvement of the utility model still has, the guide mechanism includes two guide blocks, the guide block is connected with the top side of the workbench through the pivot, and two guide blocks are symmetrically arranged at the most front end of the top side of the workbench, so that the guide channel of the reinforcing steel bar is formed between two guide blocks, and the straightening block for straightening the reinforcing steel bar is arranged at the rear of the guide block and is fixed to the top side of the workbench.
[0016] The further improvement of the utility model still has, the cutting mechanism includes the cutting frame, the cutting frame is arranged on the workbench at one side of the feeding mechanism, the electric push rod towards the workbench is arranged on the cutting frame, the output end of the electric push rod is connected with the cutting machine for cutting the reinforcing steel bar, and the cutting groove corresponding to the cutting machine is arranged on the top side of the workbench.
[0017] From the above technical scheme, the beneficial effects of the utility model are:
[0018] 1. By setting the feeding mechanism and the bending mechanism, when the reinforcing steel bar passes through the electromagnetic coil, the electromagnetic coil operates to heat the reinforcing steel bar, the toughness of the reinforcing steel bar is reduced, after the reinforcing steel bar reaches the appropriate position, the fixed motor operates to drive the movable column to displace together with the fixed column to bend the reinforcing steel bar, after the bending is completed, the reinforcing steel bar is cut by the cutting machine, after completion, the reinforcing steel bar is displaced into the groove, the displacement motor operates to drive the push block to displace, the push block and the groove together, the reinforcing steel bar is bent again, the reinforcing steel bar is heated before bending, the toughness of the reinforcing steel bar is reduced, and the reinforcing steel bar is processed again after bending, so that the bending precision is ensured.
[0019] 2. By setting the connecting mechanism and the reminding mechanism, when the reinforcing steel bar falls into the collecting frame, the connecting block is extruded, the conductive block A is displaced and contacts the conductive block B, the buzzer is powered on and operates, and the operator is reminded that the reinforcing steel bar falls into the collecting frame, when the connecting block is extruded all the time, the buzzer is always on, and the operator is reminded that the collecting frame has been collected full. DRAWINGS
[0020] In order to more clearly illustrate the technical scheme of the utility model, the drawings needed to be used in the description will be simply introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.
[0021] Figure 1 It is the structure schematic view of the specific embodiment of the utility model.
[0022] Figure 2 It is Figure 1 The top view.
[0023] Figure 3 It is the structure schematic view of the propelling unit of the specific embodiment of the utility model.
[0024] Figure 4 is the structure diagram of the fixed unit of the specific embodiment of the utility model.
[0025] Figure 5 is the structure diagram of the movable column, rotating disc and bending motor of the specific embodiment of the utility model.
[0026] Figure 6 is the structure diagram of the pushing block and displacement motor of the specific embodiment of the utility model.
[0027] Figure 7 is the bottom view of the workbench of the specific embodiment of the utility model.
[0028] Figure 8 is the sectional view of the limiting hole of the specific embodiment of the utility model.
[0029] Figure 9 is the structure diagram of the collecting frame of the specific embodiment of the utility model.
[0030] Figure 10 is the structure diagram of the reminding mechanism of the specific embodiment of the utility model.
[0031] In the drawing: 1, main body; 101, workbench; 102, guide block; 103, straightening block; 104, cutting frame; 105, electric pushing rod; 106, cutting machine; 2, feeding mechanism; 201, pushing block; 202, pushing shaft; 203, worm gear; 204, pushing motor; 205, worm; 206, electromagnetic coil; 207, limiting shell; 208, fixed block; 209, fixed motor; 210, fixed screw; 3, bending mechanism; 301, fixed column; 302, arc-shaped through sliding groove; 303, movable column; 304, rotating disc; 305, bending motor; 306, bending shaft; 307, groove; 308, pushing block; 309, displacement motor; 310, displacement screw; 4, connecting mechanism; 401, connecting groove; 402, inclined groove; 403, limiting hole; 404, collecting frame; 405, sliding block; 406, limiting column; 5, reminding mechanism; 501, connecting block; 502, spring; 503, conductive block A; 504, conductive block B; 505, buzzer. DETAILED DESCRIPTION
[0032] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical solutions in the utility model will be described clearly and completely below in combination with the drawings in the specific embodiments. Obviously, the embodiments described below are only some of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the patent, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the patent protection.
[0033] Embodiment one, refer to the attached Figure 1 、 2 , 3, 4, 5 and 6, as follows: the utility model discloses a reinforcing bar bending device, including main body 1, main body 1 includes workbench 101, and the top side of workbench 101 is provided with guiding mechanism, feed mechanism 2 and bending mechanism 3 along reinforcing bar conveying direction in proper order, and the workbench 101 of feed mechanism 2 side is provided with cutting mechanism. Wherein, guiding mechanism includes two guide blocks 102, and guide block 102 is connected with the top side of workbench 101 through pivot, and two guide blocks 102 are symmetrically arranged in the foremost end of the top side of workbench 101, to make the guide channel of reinforcing bar between two guide blocks 102, and the rear of guide block 102 is provided with straightening block 103 for straightening reinforcing bar fixed on the top side of workbench 101. Feed mechanism 2 includes advancing unit and fixed unit, and advancing unit and fixed unit are arranged on the top side of workbench 101, and advancing unit is located at the rear of guiding mechanism, and fixed unit is located at the rear of advancing unit;Form an installation space between advancing unit and fixed unit, and the installation space is provided with electromagnetic coil 206 capable of heating reinforcing bar, and electromagnetic coil 206 is fixed on the top side of workbench 101 and is electrically connected with external power supply through wire. Cutting mechanism includes cutting frame 104, and cutting frame 104 is arranged on the workbench 101 of feed mechanism 2 side, and cutting frame 104 is provided with electric push rod 105 towards workbench 101, and the output end of electric push rod 105 is connected with cutting machine 106 for cutting reinforcing bar, and the top side of workbench 101 is provided with cutting groove corresponding with cutting machine 106.
[0034] Specifically, advancing unit includes two advancing blocks 201, and two advancing blocks 201 are symmetrically arranged on the top side of workbench 101, to make the advancing channel of reinforcing bar between two advancing blocks 201;The bottom end of advancing block 201 is connected with advancing shaft 202 passing through the top side of workbench 101, and the bottom end of advancing shaft 202 extends to the bottom side of workbench 101, and the bottom end of advancing shaft 202 is connected with worm gear 203;The bottom side of workbench 101 is provided with advancing motor 204 on the side of worm gear 203, and the output end of advancing motor 204 is connected with worm 205 between two worm gears 203, and two worm gears 203 are meshed with worm 205.
[0035] Specifically, the fixing unit includes two fixing blocks 208 symmetrically arranged on the top side of the workbench 101 to form a fixing channel for the steel bar between the two fixing blocks 208; the outer side of the fixing block 208 can be further provided with a limiting shell 207 fixed to the top side of the workbench, and the spacing between the two limiting shells 207 corresponds to the width of the steel bar; the top side of the workbench 101 is provided with a through sliding groove corresponding to the fixing block 208, the bottom end of the fixing block 208 passes through the through sliding groove and extends to the bottom side of the workbench 101; the bottom side of the workbench 101 is provided with a fixing motor 209 located on one side of the fixing block 208, the output end of the fixing motor 209 is connected with a fixing screw rod 210, and the bottom ends of the two fixing blocks 208 are screw-connected with the fixing screw rod 210; the threads of the fixing screw rod 210 include forward threads and reverse threads symmetrically distributed at the center, so that the fixing screw rod 210 can drive the two fixing blocks 208 to move towards each other or away from each other.
[0036] Specifically, the bending mechanism 3 includes a fixed column 301 arranged on the top side of the workbench 101, and the top side of the workbench 101 is provided with an arc-shaped through sliding groove 302 located on one side of the fixed column 301 and having the same center as the fixed column 301; the inside of the arc-shaped through sliding groove 302 is provided with a movable column 303, the top end of the movable column 303 extends to the top side of the workbench 101 after passing through the arc-shaped through sliding groove 302, and the top end of the movable column 303 and the fixed column 301 form a bending space for the steel bar, the bottom end of the movable column 303 extends to the bottom side of the workbench 101 after passing through the arc-shaped through sliding groove 302, and the bottom end of the movable column 303 is connected with a rotating disc 304 having the same center as the fixed column 301; the bottom side of the workbench 101 is provided with a bending motor 305 located below the rotating disc 304, the output end of the bending motor 305 is connected with a bending shaft 306, and the top end of the bending shaft 306 is connected with the center of the rotating disc 304.
[0037] Specifically, the top side of the workbench 101 is provided with a recess 307 located behind the arc-shaped through sliding groove 302, and the recess 307 is used for storing the steel bar after bending; the inside of the recess 307 is provided with a pushing block 308 corresponding to the inner bend of the steel bar, and one side of the pushing block 308 facing the inner bend of the steel bar is provided with an arc surface corresponding to the angle of the inner bend of the steel bar; the top side of the workbench 101 is provided with a guide through sliding groove corresponding to the pushing block 308, the bottom end of the pushing block 308 extends to the bottom side of the workbench 101 after passing through the guide through sliding groove, and the bottom side of the workbench 101 is provided with a displacement motor 309 located on one side of the pushing block 308, the output end of the displacement motor 309 is connected with a displacement screw rod 310, and the bottom end of the pushing block 308 is screw-connected with the displacement screw rod 310; the guide through sliding groove is arranged obliquely, so that the pushing block 308 can move towards or away from the inner bend of the steel bar along the guide through sliding groove.
[0038] In this embodiment: when the steel bar is bent, first, the advancing motor 204 is operated to drive the worm 205 to rotate, the worm 205 drives the worm gear 203 to rotate, the worm gear 203 drives the advancing shaft 202 to rotate, the advancing shaft 202 drives the advancing block 201 to rotate, and the advancing block 201 drives the steel bar to displace.
[0039] When the steel bar passes through the guide block 102 and the straightening block 103, the steel bar is straightened under the action of the straightening block 103, and then when the steel bar passes through the electromagnetic coil 206, the electromagnetic coil 206 is operated to heat the steel bar, thereby reducing the toughness of the steel bar; after the steel bar reaches the appropriate position, the fixed motor 209 is started, the fixed motor 209 is operated to drive the fixed screw rod 210 to rotate, the fixed screw rod 210 drives the fixed block 208 to displace, the fixed block 208 displaces to clamp the steel bar; the bending motor 305 is started, the bending motor 305 is operated to drive the bending shaft 306 to rotate, the bending shaft 306 drives the rotating disc 304 to rotate, the rotating disc 304 drives the movable column 303 to displace, the movable column 303 displaces together with the fixed column 301 to bend the steel bar, and after the bending is completed, the steel bar is cut by the cutting machine 106; after the operation is completed, the advancing motor 204 continues to drive the steel bar to displace, and the steel bar displacement drives the previous steel bar to displace, so that the previous steel bar falls into the groove 307.
[0040] Then the displacement motor 309 is started, the displacement motor 309 is operated to drive the displacement screw rod 310 to rotate, the displacement screw rod 310 drives the pushing block 308 to displace, the pushing block 308 extrudes the bent part of the steel bar, so that the bent part of the steel bar is extruded with the bend of the groove 307, that is, the steel bar is bent at 90 degrees, so that the secondary bending operation of the steel bar is realized, and the final bending effect of the steel bar is ensured.
[0041] In the embodiment, the workbench 101 is provided with the connecting mechanism 4 corresponding to the groove 307 on the bottom side, the connecting mechanism 4 includes the connecting groove 401 provided at one end of the bottom side of the groove 307, the inclined groove 402 is provided at the end of the bottom side of the workbench 101 away from the connecting groove 401, and the limiting hole 403 is provided at one side of the connecting groove 401 on the bottom side of the workbench 101. Figure 7 8 In the embodiment, the workbench 101 is provided with the connecting mechanism 4 corresponding to the groove 307 on the bottom side, the connecting mechanism 4 includes the connecting groove 401 provided at one end of the bottom side of the groove 307, the inclined groove 402 is provided at the end of the bottom side of the workbench 101 away from the connecting groove 401, and the limiting hole 403 is provided at one side of the connecting groove 401 on the bottom side of the workbench 101.
[0042] Specifically, the top end of the sliding block 405 is a slope, the slope of the slope corresponds to the slope of the chute 402; the top end of the limiting column 406 is a circular surface, and the bottom end of the sliding block 405 and the limiting column 406 is connected with a reset spring between the collecting frame 404.
[0043] Specifically, the collecting frame 404 is provided with a reminding mechanism 5, the reminding mechanism 5 includes a connecting block 501 arranged on the inner wall of the collecting frame 404, the connecting block 501 is connected with a spring 502 between the collecting frame 404, the outer wall of the connecting block 501 is connected with a conductive block A 503, the inside of the collecting frame 404 is provided with a conductive block B 504 located on one side of the conductive block A 503; the outer wall of the collecting frame 404 is provided with a buzzer 505, the conductive block A 503 is electrically connected with the buzzer 505 through a wire, and the conductive block B 504 is electrically connected with an external power supply through a wire.
[0044] In the embodiment: when placing the collecting frame 404, the sliding block 405 is slid along the chute 402 until the limiting column 406 is in contact with the limiting hole 403, the limiting column 406 is displaced into the limiting hole 403 under the action of the limiting spring, and the collecting frame 404 is fixed.
[0045] After the steel bar falls into the groove 307 and is subjected to secondary extrusion bending, it will pass through the connecting groove 401 and enter the inner wall of the collecting frame 404 for collection; in this process, the steel bar contacts the connecting block 501, the connecting block 501 is displaced to drive the conductive block A 503 to be displaced and contact the conductive block B 504, the buzzer 505 is energized and operates, reminding the operator that the steel bar has fallen into the collecting frame 404; when the connecting block 501 is continuously extruded, the buzzer 505 is continuously operated, reminding the operator that the collecting frame 404 has been collected.
[0046] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application should not be limited to the embodiments shown herein, but should be consistent with the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A steel bar bending device, comprising a main body (1), characterized in that, The main body (1) includes a workbench (101). A guide mechanism, a feeding mechanism (2) and a bending mechanism (3) are arranged sequentially on the top side of the workbench (101) along the direction of steel bar conveying. A cutting mechanism is arranged on the workbench (101) on one side of the feeding mechanism (2). The feeding mechanism (2) includes a pushing unit and a fixing unit. The pushing unit and the fixing unit are arranged on the top side of the workbench (101). The pushing unit is located behind the guide mechanism, and the fixing unit is located behind the pushing unit. An installation space is formed between the pushing unit and the fixing unit. An electromagnetic coil (206) capable of heating steel bars is arranged in the installation space. The electromagnetic coil (206) is fixed on the top side of the workbench (101) and electrically connected to an external power supply through a wire.
2. The steel bar bending device according to claim 1, characterized in that, The propulsion unit includes two propulsion blocks (201), which are symmetrically arranged on the top side of the workbench (101) to form a propulsion channel for the reinforcing bars between the two propulsion blocks (201). The bottom end of the propulsion block (201) is connected to a propulsion shaft (202) that moves through the top side of the workbench (101). The bottom end of the propulsion shaft (202) extends to the bottom side of the workbench (101), and the bottom end of the propulsion shaft (202) is connected to a worm gear (203). The bottom side of the workbench (101) is provided with a propulsion motor (204) located on one side of the worm gear (203). The output end of the propulsion motor (204) is connected to a worm (205) located between the two worm gears (203), and the two worm gears (203) mesh with the worm gear (205).
3. A steel bar bending device according to claim 1 or 2, characterized in that, The fixing unit includes two fixing blocks (208), which are symmetrically arranged on the top side of the workbench (101) to form a fixing channel for the steel bars between the two fixing blocks (208); the top side of the workbench (101) is provided with a through groove corresponding to the fixing block (208), and the bottom end of the fixing block (208) moves through the through groove and extends to the bottom side of the workbench (101); the bottom side of the workbench (101) is provided with a fixing motor (209) located on one side of the fixing block (208), and the output end of the fixing motor (209) is connected to a fixing screw (210). The bottom ends of the two fixing blocks (208) are screwed together with the fixing screw (210); the thread of the fixing screw (210) includes a forward thread and a reverse thread that are centrally symmetrically distributed, so that the fixing screw (210) can drive the two fixing blocks (208) to move towards each other or backward.
4. A steel bar bending device according to claim 3, characterized in that, The bending mechanism (3) includes a fixed column (301), which is located on the top side of the workbench (101). The top side of the workbench (101) is provided with an arc-shaped through groove (302) located on one side of the fixed column (301) and concentric with the fixed column (301). A movable column (303) is provided inside the arc-shaped through groove (302). The top of the movable column (303) passes through the arc-shaped through groove (302) and extends to the top side of the workbench (101). The top of the movable column (303) is parallel to the fixed column (301). The space between the steel bars is formed by bending. The bottom end of the movable column (303) extends to the bottom side of the workbench (101) after passing through the arc-shaped through groove (302). The bottom end of the movable column (303) is connected to a rotating disk (304) with the same center as the fixed column (301). A bending motor (305) is provided on the bottom side of the workbench (101) below the rotating disk (304). The output end of the bending motor (305) is connected to a bending shaft (306). The top end of the bending shaft (306) is connected to the center of the rotating disk (304).
5. A steel bar bending device according to claim 4, characterized in that, The top side of the workbench (101) is provided with a groove (307) behind the arc-shaped through groove (302), the groove (307) is used to store the bent steel bars; inside the groove (307) is a push block (308) corresponding to the inner bend of the steel bar, and the side of the push block (308) facing the inner bend of the steel bar is provided with an arc surface corresponding to the inner bend angle of the steel bar. The top side of the workbench (101) is provided with a guide through groove corresponding to the push block (308). The bottom end of the push block (308) extends to the bottom side of the workbench (101) after passing through the guide through groove. The bottom side of the workbench (101) is provided with a displacement motor (309) located on one side of the push block (308). The output end of the displacement motor (309) is connected to a displacement screw (310). The bottom end of the push block (308) is screwed to the displacement screw (310). The guide through groove is arranged at an inclination so that the push block (308) can move along the guide through groove toward or away from the inner bend of the reinforcing bar.
6. A steel bar bending device according to claim 5, characterized in that, The bottom side of the workbench (101) is provided with a connecting mechanism (4) corresponding to the groove (307). The connecting mechanism (4) includes a connecting groove (401) at one end of the bottom side of the groove (307), a sloping groove (402) at the end of the bottom side of the workbench (101) away from the connecting groove (401), and a limiting hole (403) located on one side of the connecting groove (401) at the bottom side of the workbench (101). A collection frame (404) located below the connecting groove (401) is provided at the bottom of the workbench (101). A slider (405) is provided at one end of the top side of the collection frame (404), and a limiting post (406) that can be inserted into the limiting hole (403) is provided at the other end of the top side of the collection frame (404).
7. A steel bar bending device according to claim 6, characterized in that, The top of the slider (405) is an inclined surface, and the slope of the inclined surface corresponds to the slope of the inclined groove (402); the top of the limiting post (406) is a round surface, and the bottom of the slider (405), the limiting post (406) and the collection frame (404) are all connected with a reset spring.
8. A steel bar bending device according to claim 7, characterized in that, A reminder mechanism (5) is provided on the collection box (404). The reminder mechanism (5) includes a connecting block (501) provided on the inner wall of the collection box (404). A spring (502) is connected between the connecting block (501) and the collection box (404). A conductive block A (503) is connected to the outer wall of the connecting block (501). A conductive block B (504) located on one side of the conductive block A (503) is provided inside the collection box (404). A buzzer (505) is provided on the outer wall of the collection box (404). The conductive block A (503) is electrically connected to the buzzer (505) through a wire. The conductive block B (504) is electrically connected to an external power supply through a wire.
9. A steel bar bending device according to claim 8, characterized in that, The guiding mechanism includes two guide blocks (102), which are connected to the top side of the workbench (101) via a rotating shaft. The two guide blocks (102) are symmetrically arranged at the front end of the top side of the workbench (101) so that a guide channel for the reinforcing bars is formed between the two guide blocks (102). A straightening block (103) fixed to the top side of the workbench (101) and used to straighten the reinforcing bars is provided behind the guide blocks (102).
10. A steel bar bending device according to claim 9, characterized in that, The cutting mechanism includes a cutting frame (104), which is set on a workbench (101) on one side of the feeding mechanism (2). The cutting frame (104) is provided with an electric push rod (105) facing the workbench (101). The output end of the electric push rod (105) is connected to a cutting machine (106) for cutting steel bars. The top side of the workbench (101) is provided with a cutting groove corresponding to the cutting machine (106).