Straightening and bending all-in-one machine and steel bar machining method

Abstract

The invention belongs to the technical field of reinforcing steel bar machining, and discloses a straightening and bending all-in-one machine and a reinforcing steel bar machining method.The straightening and bending all-in-one machine comprises a pay-off device, a straightening device, a shearing device, a bending device and a pushing and aligning device, the pay-off device comprises a plurality of pay-off racks, and the different pay-off racks are used for paying off reinforcing steel bars with different diameters; the straightening device comprises a straightening rack, a wire feeding mechanism and a straightening mechanism, the straightening mechanism is movably arranged on the straightening rack and comprises a plurality of straightening rollers, the different straightening rollers are used for straightening different reinforcing steel bars, and the wire feeding mechanism is arranged on the straightening rack and used for conveying the reinforcing steel bars to the straightening mechanism; the shearing device is used for shearing the straightened reinforcing steel bars; the bending device comprises a replaceable bending die which is used for bending the reinforcing steel bar; the pushing and aligning device is used for pushing the steel bars to be located at the preset bending position of the bending device. The straightening and bending all-in-one machine can machine steel bars with different diameters, and the machining efficiency is high.

Description

Technical Field

[0001] The present invention relates to the technical field of steel bar processing, and in particular to an all-in-one straightening and bending machine and a steel bar processing method. Background Art

[0002] Related technologies propose a steel bar straightening and bending production device, which includes a pay-off frame, a straightening and cutting mechanism, a bending mechanism, a steel bar positioning and clamping mechanism, an active discharging mechanism, and a finished product collection mechanism. The straightening and cutting machine can straighten and cut the steel bars to a fixed length, and the bending mechanism can be used to bend the steel bars. The active discharging mechanism can then be used to push the processed steel bars to the finished product collection mechanism for rapid discharging, thereby realizing one-time processing of raw materials directly into finished products.

[0003] However, straightening and cutting machines typically use staggered rollers to compress bent steel bars and restore them to a straight state. To straighten steel bars of different diameters, the machine must be stopped and the rollers adjusted to adjust the tension applied to the bars, reducing processing efficiency. Summary of the Invention

[0004] The object of the present invention is to provide a straightening and bending all-in-one machine and a steel bar processing method, so as to solve the problem of low processing efficiency.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] In a first aspect, the present invention provides an all-in-one straightening and bending machine, comprising:

[0007] A wire-paying device, comprising a plurality of wire-paying frames, wherein different wire-paying frames are used for paying out steel bars of different diameters;

[0008] a straightening device, arranged downstream of the pay-off device along a first direction, the straightening device comprising a straightening frame, a wire feeding mechanism and a straightening mechanism, the straightening mechanism being movably arranged on the straightening frame along a second direction, the straightening mechanism comprising a plurality of straightening rollers arranged at intervals along the second direction, the straightening rollers extending along the first direction, different straightening rollers being used to straighten different steel bars, the wire feeding mechanism being arranged on the straightening frame, and the wire feeding mechanism being used to feed steel bars to the straightening mechanism;

[0009] a shearing device, the shearing device being used to shear the straightened steel bars;

[0010] a bending device, disposed downstream of the straightening device along the first direction, the bending device comprising a bending frame and a bending die detachably disposed on the bending frame, the bending die being used to bend the steel bar;

[0011] a pushing device for pushing the steel bar so that the steel bar is in a bending position preset by the bending device;

[0012] The second direction is arranged at an angle to the first direction.

[0013] In one embodiment, the pay-off device further includes a first wire guide mechanism, which is arranged in pair with the pay-off frame, and the first wire guide mechanism includes:

[0014] First pillar;

[0015] A rotating frame, the rotating frame being elastically connected to the first column via an elastic component, the rotating frame being rotatably provided with a wire-passing mounting block, and the wire-passing mounting block being rotatably provided with a wire-passing mounting plate;

[0016] A line-passing wheel and a follower roller are arranged on the line-passing mounting plate in a rotational manner at intervals, and the steel bar can be passed through the line-passing wheel and the follower roller.

[0017] In one embodiment, the pay-off device further includes a second wire guide mechanism, which is disposed downstream of the pay-off frame along the first direction, and the second wire guide mechanism includes:

[0018] a second column, wherein a wire box is provided on the second column;

[0019] Two long wire guide rollers, the two long wire guide rollers are arranged in the wire box body for rotation at intervals;

[0020] Two short wire guide rollers, which are arranged in the wire guide box to rotate at intervals, and the short wire guide rollers are perpendicular to the long wire guide roller;

[0021] A mounting panel, wherein a plurality of mounting panels are provided, and the plurality of mounting panels are spaced apart and arranged on a side of the wire box away from the second column;

[0022] The first wire guide wheels are rotatably installed between any two adjacent installation panels. The multiple first wire guide wheels are spaced apart in the vertical direction, and the steel bars can be passed between adjacent first wire guide wheels.

[0023] In one embodiment, the straightening device also includes a traction mechanism and a conveying mechanism, the conveying mechanism includes a mobile frame and a conveying drive, the mobile frame is movably arranged on the straightening frame along the second direction, the conveying drive is used to drive the mobile frame to move, the traction mechanism and the straightening mechanism are both arranged on the mobile frame, the traction mechanism includes a plurality of traction components corresponding to each of the straightening rollers, and each of the traction components is used to pull the steel bars of different diameters into the straightening rollers.

[0024] In one embodiment, the straightening roller includes a first straightening roller, which includes a roller body and a nozzle group. The roller body is open at both ends along the first direction, and multiple nozzle groups are arranged in the roller body at intervals along the first direction, and adjacent nozzle groups are staggered in a direction perpendicular to the first direction. The nozzle group further includes a nozzle, a guide nozzle and a straightening clamp. The nozzle is fixedly arranged in the roller body, and the guide nozzles are connected one by one to the upstream side of the nozzle. The inner wall surface of the guide nozzle is set to a cone with an inner diameter gradually increasing from one side close to the nozzle to the other side. The straightening clamp is fixed in the nozzle, and the straightening clamp is provided with a straightening hole for the steel bar to pass through.

[0025] In one embodiment, the straightening roller includes a second straightening roller, and the second straightening roller includes a roller body and a straightening wheel group. The roller body is open at both ends along the first direction, and multiple straightening wheel groups are arranged in the roller body at intervals along the first direction, and at least some of the straightening wheel groups are staggered along a direction perpendicular to the first direction. The straightening wheel group further includes a straightening roller seat and a straightening roller. The straightening roller seat is fixed in the roller body, and the straightening roller is rotatably arranged in the straightening roller seat through a straightening roller shaft. A straightening hole is formed between the straightening roller and the straightening roller seat, and the axial direction of the straightening roller shaft is set at an angle to the first direction.

[0026] In one embodiment, the wire feeding mechanism includes a wire feeding seat, a wire feeding driving wheel, a wire feeding driven wheel, a wire feeding driving member, a second adjusting driving member and a avoiding driving member, the wire feeding driving wheel and the wire feeding driven wheel are arranged on the wire feeding seat at intervals along the second direction, the wire feeding driving member is connected to the wire feeding driving wheel to drive the wire feeding driving wheel to rotate, and the second adjusting driving member is used to drive the wire feeding driven wheel to approach or move away from the wire feeding driving wheel;

[0027] The incoming wire seat includes an incoming wire frame and a avoidance plate. The incoming wire frame is fixed on the frame. The avoidance plate is movably arranged on the incoming wire frame along a third direction. The avoidance drive is used to drive the avoidance plate to move. The third direction is perpendicular to the first direction and the second direction.

[0028] In one embodiment, the straightening device further includes a counting mechanism arranged downstream of the straightening mechanism, the counting mechanism including a counting driving wheel, a counting driven wheel, a third adjusting drive, a fourth adjusting drive and an encoder, the third adjusting drive is used to drive the counting driving wheel to move along a third direction, the fourth adjusting drive is used to drive the counting driven wheel to move along the third direction, the counting driving wheel and the counting driven wheel can clamp the steel bar, the encoder is connected to the counting driving wheel, and the third direction is perpendicular to the first direction and the second direction.

[0029] In one embodiment, a straightening device is further included, and the straightening device is used to pre-straighten the steel bars entering the straightening device, and the straightening device includes:

[0030] A straightening fixing plate, wherein two straightening seats are provided on the straightening fixing plate at intervals, wherein a straightening cavity is provided through the straightening seat, and the two straightening cavities are coaxially arranged, and part of the cavity wall of the straightening cavity faces the straightening fixing plate;

[0031] a straightening drive member, the straightening drive member being disposed on the straightening fixing plate, the output end of the straightening drive member being provided with a plug, the straightening drive member being capable of driving the plug to move in a direction perpendicular to the straightening cavity so as to abut against or move away from the steel bar passing through the straightening cavity;

[0032] A mobile vehicle, on which the straightening fixing plate can be hung.

[0033] In a second aspect, the present invention provides a steel bar processing method, which is implemented based on any one of the above-mentioned straightening and bending machines, and the steel bar processing method comprises the following steps:

[0034] Winding steel bars of various specifications on multiple pay-off racks;

[0035] Determine the required specifications of steel bars and start the corresponding pay-out frame;

[0036] Pull the steel bar into the wire feeding mechanism, and start the wire feeding mechanism to transport the steel bar;

[0037] Adjust the position of the straightening mechanism so that the straightening roller corresponding to the steel bar is facing the incoming position of the wire feeding mechanism, and rotate the straightening roller to straighten the steel bar;

[0038] Using the shearing device to shear the steel bar so that the steel bar falls onto the bending device, and starting the pushing device to push the steel bar so that the steel bar is in the bending position preset by the bending device;

[0039] Starting the bending device to bend the steel bar;

[0040] Unload and collect the steel bars.

[0041] Beneficial effects of the present invention:

[0042] The straightening and bending machine provided by the present invention is equipped with multiple straightening rollers and multiple pay-off frames. The multiple pay-off frames are respectively used to pay out steel bars of different diameters, and different straightening rollers are respectively used to straighten different steel bars. When processing steel bars of different diameters, it is only necessary to adjust the position of the straightening rollers along the second direction so that the corresponding straightening rollers and the incoming material position of the wire feeding mechanism are in the same straight line, without stopping the machine to adjust the straightening rollers, thereby improving the steel bar processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 1 is a schematic diagram of the three-dimensional structure of the straightening and bending machine provided in an embodiment of the present invention;

[0044] Figure 2 is a top view of the straightening and bending machine provided in an embodiment of the present invention;

[0045] Figure 3 is a partial top view of a pay-off device provided in an embodiment of the present invention;

[0046] Figure 4 is a top view of a pay-off frame provided in an embodiment of the present invention;

[0047] Figure 5 is a cross-sectional view of a pay-off frame provided by an embodiment of the present invention;

[0048] Figure 6 is a schematic diagram of the three-dimensional structure of a first wire mechanism provided in an embodiment of the present invention;

[0049] Figure 7 is a cross-sectional view of a first guide wire mechanism provided by an embodiment of the present invention;

[0050] Figure 8 This is a schematic diagram of the first structure of the wear-resistant port assembly provided by an embodiment of the present invention;

[0051] Figure 9 This is a schematic diagram of the second structure of the wear-resistant port assembly provided by an embodiment of the present invention;

[0052] Figure 10 1 is a third structural schematic diagram of the wear-resistant port assembly provided in an embodiment of the present invention;

[0053] Figure 11 is a schematic diagram of the three-dimensional structure of the second wire mechanism provided in an embodiment of the present invention;

[0054] Figure 12 is a cross-sectional view of a second wire guide mechanism provided by an embodiment of the present invention;

[0055] Figure 13 is a front view of a straightening device for a hidden protective cover provided in an embodiment of the present invention;

[0056] Figure 14 is a rear view of the straightening device provided in an embodiment of the present invention;

[0057] Figure 15 is a structural schematic diagram of a conveying mechanism provided in an embodiment of the present invention;

[0058] Figure 16 1 is a structural schematic diagram of one angle of the traction mechanism and the straightening mechanism provided in an embodiment of the present invention;

[0059] Figure 17 is a structural schematic diagram of the traction mechanism and the straightening mechanism provided in an embodiment of the present invention from another angle;

[0060] Figure 18 yes Figure 17 sectional view of

[0061] Figure 19 is a schematic diagram of a partial structure of a traction mechanism provided in an embodiment of the present invention;

[0062] Figure 20 1 is a schematic structural diagram of a first position-limiting assembly and a second position-limiting assembly provided in an embodiment of the present invention;

[0063] Figure 21 yes Figure 20 sectional view of

[0064] Figure 22 is a structural schematic diagram of a first position limiting assembly provided in an embodiment of the present invention;

[0065] Figure 23 yes Figure 22 sectional view of

[0066] Figure 24 1 is a schematic diagram of the internal structure of the first straightening roller provided in an embodiment of the present invention;

[0067] Figure 25 is a cross-sectional view of a nozzle assembly provided in an embodiment of the present invention;

[0068] Figure 26 Schematic diagram of the internal structure of the second straightening roller provided in an embodiment of the present invention;

[0069] Figure 27 is a cross-sectional view of a second straightening roller provided in an embodiment of the present invention;

[0070] Figure 28is a structural schematic diagram of a straightening roller provided in an embodiment of the present invention;

[0071] Figure 29 This is a schematic diagram from one angle of the wire feeding mechanism provided in an embodiment of the present invention;

[0072] Figure 30 is a schematic diagram from another angle of the wire feeding mechanism provided in an embodiment of the present invention;

[0073] Figure 31 Schematic diagram of the structure of the counting mechanism provided in an embodiment of the present invention;

[0074] Figure 32 1 is a schematic diagram of a partial structure of a counting mechanism provided in an embodiment of the present invention;

[0075] Figure 33 is a top view of a shearing device provided in an embodiment of the present invention;

[0076] Figure 34 is a cross-sectional view of a shearing device provided in an embodiment of the present invention;

[0077] Figure 35 Schematic diagram of the structure of the shearing movable knife provided in an embodiment of the present invention;

[0078] Figure 36 1 is a schematic structural diagram of a pushing device provided in an embodiment of the present invention;

[0079] Figure 37 is a schematic structural diagram of a straightening device provided in an embodiment of the present invention;

[0080] Figure 38 Schematic diagram of a transfer device provided in an embodiment of the present invention.

[0081] In the picture:

[0082] 1. Pay-off device; 2. Straightening device; 3. Shearing device; 4. Pushing device; 5. Bending device; 6. Straightening device; 7. Transfer device;

[0083] 11. Pay-off rack;

[0084] 12. Pay-off rack; 121. Pay-off base; 122. Pay-off drive unit; 123. Pay-off spindle; 124. Turntable; 125. Pay-off column; 126. Connecting plate; 127. Pay-off fixing plate; 128. Support rod; 1281. Adjustment hole;

[0085] 13. First wire guide mechanism; 131. First column; 132. Rotating frame; 133. Wire guide mounting block; 134. Wire guide mounting plate; 1341. Insertion rod; 135. Limiting plate; 1351. Limiting hole; 136. Wire guide wheel; 137. Shockproof pad; 138. Elastic assembly; 1381. Spring mounting seat; 1382. Fixed block; 1383. First elastic member; 1384. Mounting cover; 139. Follower roller;

[0086] 14. Wear-resistant port assembly; 141. Wear-resistant port mounting seat; 142. Upper pressure block; 143. First wear-resistant port; 144. Second wear-resistant port; 145. Buckle;

[0087] 15. Second wire guide mechanism; 151. Second upright column; 152. Wire guide box; 1521. Upper box panel; 1522. Lower box panel; 1523. Left box panel; 1524. Right box panel; 1525. Box mounting plate; 153. Long godet roller; 154. Short godet roller; 155. Mounting panel; 156. First godet roller;

[0088] 21. Straighten the frame;

[0089] 22. Traction mechanism; 221. Traction assembly; 2211. Traction driven wheel; 2212. Traction driving wheel; 2213. First adjustment drive member; 2214. Seesaw frame; 2215. Clamping arm; 2216. Seesaw connecting frame; 2217. Connecting arm; 2218. Traction drive member; 222. Transmission assembly; 2221. Traction spindle; 2222. Traction pulley; 2223. Gland; 2224, spacer; 223, first position-limiting assembly; 2231, position-limiting driving member; 2232, first clamping block; 2233, second clamping block; 2234, fixing seat; 22341, mounting groove; 22342, embedding groove; 2235, second elastic member; 2236, spring base; 2237, clamping block mounting seat; 2238, guide rod; 224, second position-limiting assembly; 2241, second guide wheel;

[0090] 23. Straightening mechanism; 231. Straightening roller; 231a. First straightening roller; 231b. Second straightening roller; 2311. Roller body; 2312. Straightening die; 23121. Nozzle; 23122. Guide nozzle; 23123. Straightening clamp; 23124. Straightening roller; 23125. Straightening roller seat; 23126. Straightening roller shaft; 2313. Adjusting rod; 2314. Adjusting nut; 2315. Shaft head; 23151. Shaft hole; 232. Straightening drive element; 233. Straightening roller seat;

[0091] 24. Conveying mechanism; 241. Conveying drive member; 242. Driving sprocket; 243. Driven sprocket; 244. Moving frame;

[0092] 25. Wire feeding mechanism; 251. Wire feeding seat; 2511. Wire feeding frame; 2512. Avoidance plate; 252. Wire feeding driving wheel; 253. Wire feeding driven wheel; 254. Wire feeding drive member; 255. Second adjustment drive member; 256. Feeding slider; 257. Pushing shaft; 258. Pressing rocker; 259. Third elastic member; 2510. Avoidance drive member; 2520. Longitudinal wire feeding roller; 2530. Horizontal wire feeding roller; 2540. Wire feeding fixing plate;

[0093] 26. Winch;

[0094] 27. Guide roller;

[0095] 28. Counting mechanism; 281. Counting driving wheel; 282. Counting driven wheel; 283. Encoder; 284. Third adjusting drive member; 285. Fourth adjusting drive member; 286. First sliding mounting plate; 287. Second sliding mounting plate;

[0096] 29. Catheter;

[0097] 31. Shearing mechanism; 311. Shearing knife seat; 312. Knife cylinder; 3121. Through hole; 31211. Limiting section; 31212. Guide section; 313. Shearing movable knife; 3131. Curved blade;

[0098] 32. Crank-connecting rod mechanism; 321. Shear mounting seat; 322. Eccentric sleeve; 323. Connecting rod; 324. Shear bar; 325. Bar sleeve; 3251. Sleeve; 3252. End cap;

[0099] 33. Shear drive components;

[0100] 41. Push the drive member; 42. Push the plate; 43. Push the fixed plate; 44. Push the shaft; 45. Push the guide rod sleeve;

[0101] 61. Straighten the fixing plate; 62. Straighten the seat; 63. Straighten the drive member; 64. Ejector head; 65. Handle; 66. Move the vehicle;

[0102] 71. Transfer rack; 72. Transfer plate; 73. Transfer mechanism; 74. Limit rod. DETAILED DESCRIPTION

[0103] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It will be understood that the specific embodiments described herein are intended only to illustrate the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all structures.

[0104] In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention in specific circumstances.

[0105] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Furthermore, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0106] In the description of this embodiment, the terms "upper," "lower," "right," and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely for ease of description and simplified operation. They do not indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meanings.

[0107] like Figure 1 and Figure 2 As shown, an embodiment of the present invention provides a straightening and bending machine, including a pay-off device 1, a straightening device 2, a shearing device 3, a pushing device 4 and a bending device 5, wherein the pay-off device 1 includes a plurality of pay-off racks 12, and different pay-off racks 12 are used for pay-off of steel bars of different diameters. The straightening device 2 is arranged along a first direction ( Figure 1The straightening device 2 comprises a straightening frame 21, a wire feeding mechanism 25 and a straightening mechanism 23. The wire feeding mechanism 25 is arranged on the straightening frame 21 for conveying steel bars to the straightening mechanism 23. The straightening mechanism 23 is movably arranged on the straightening frame 21 along the second direction. The straightening mechanism 23 comprises a plurality of straightening rollers 231 arranged at intervals along the second direction. The straightening rollers 231 extend along the first direction and the straightening rollers 231 can rotate around their own axes. Different straightening rollers 231 are used to straighten steel bars of different diameters. The shearing device 3 is used to shear the straightened steel bars. The bending device 5 is arranged downstream of the wire-releasing device 1. The bending device 5 comprises a bending frame and a bending mold detachably arranged on the bending frame. The bending mold is used to bend the steel bars. The pushing device 4 is used to push the steel bars so that the steel bars are in a bending position preset by the bending device 5. The second direction is arranged at an angle to the first direction. For example, the second direction is Figure 1 In the Y direction, the Y direction is perpendicular to the X direction and is inclined relative to the horizontal plane.

[0108] The above-mentioned straightening and bending machine is provided with a plurality of straightening rollers 231 and a plurality of pay-off frames 12. The plurality of pay-off frames 12 are respectively used for paying out steel bars of different diameters, and the different straightening rollers 231 are respectively used for straightening steel bars of different diameters. When processing steel bars of different diameters, it is only necessary to adjust the position of the straightening roller 231 along the second direction so that the corresponding straightening roller 231 and the incoming material position of the wire feeding mechanism 25 are in the same straight line, without stopping the machine to adjust the straightening roller 231, thereby improving the steel bar processing efficiency.

[0109] like Figures 1-12 As shown, the pay-off device 1 also includes a pay-off frame 11 and a first wire mechanism 13, wherein the pay-off frame 11 is extended along the first direction; a plurality of pay-off frames 12 are fixed to the pay-off frame 11 through a pay-off base 121, and a plurality of pay-off frames 12 are arranged on the pay-off base 121 at intervals along the first direction; the pay-off frame 12 includes a pay-off drive member 122, a pay-off spindle 123, a turntable 124, a pay-off column 125 and a connecting plate 126, the turntable 124 is arranged on the pay-off base 121, and the pay-off drive member 122 is arranged on the pay-off base 1 21, the output end of the wire-paying driving member 122 is connected to the wire-paying spindle 123 to drive the wire-paying spindle 123 to rotate, the bottom ends of the multiple wire-paying columns 125 are fixedly connected to the turntable 124, and the multiple wire-paying columns 125 are fixedly connected to the wire-paying spindle 123 through the connecting plate 126. The steel bars can be wound around the multiple wire-paying columns 125 and supported on the turntable 124; there are multiple first wire mechanisms 13, and the multiple first wire mechanisms 13 are arranged in pairs with the multiple wire-paying frames 12, and one end of the steel bar is inserted into the first wire mechanism 13 and led out.

[0110] by Figure 2 and Figure 3As shown in the example, the pay-off frame 11 is a frame structure, and a plurality of pay-off frames 12 with the same number as the straightening rollers 231 are arranged in sequence along the first direction on the pay-off frame 11. A first conductor mechanism 13 paired with each pay-off frame 12 is arranged next to it. The steel bars on the first pay-off frame 12 are respectively passed through the first conductor mechanism 13 paired with it and then led out to the straightening device 2.

[0111] The above-mentioned pay-off device 1 drives the pay-off main shaft 123 to rotate by setting a pay-off driving part 122. The pay-off main shaft 123 is connected to multiple pay-off columns 125 through a connecting plate 126 to drive multiple pay-off columns 125 to rotate around the pay-off main shaft 123. Multiple pay-off columns 125 are used to wind and install steel bars. The bottom ends of the pay-off columns 125 are fixedly connected to the turntable 124, which can drive the turntable 124 to rotate synchronously. The turntable 124 is used to support the steel bars. The pay-off driving part 122 actively controls the pay-off columns 125 to wind around the pay-off main shaft The rotation of the shaft 123 can control the release speed of the steel bars, avoid excessive pay-off due to gravity or inertia, reduce manual intervention, and improve efficiency; the pay-off process is stabilized by the pay-off drive 122, which can reduce the length deviation or displacement deviation caused by uneven pay-off speed, and ensure that the steel bar arrangement meets the design requirements; by arranging multiple pay-off frames 12 and a first wire mechanism 13 arranged in pairs on the pay-off frame 11, the first wire mechanism 13 can guide the steel bars on the pay-off column 125 to the wire feed mechanism 25.

[0112] like Figure 3 and Figure 4 As shown, the bottom end of the pay-off spindle 123 is connected to the pay-off drive member 122 below the pay-off base 121. The pay-off drive member 122 includes a motor and a reducer. The top of the pay-off spindle 123 is fixedly connected to a pay-off fixing plate 127. The pay-off fixing plate 127 is fixedly connected to a connecting plate 126. The connecting plates 126 are provided in three groups, and each group of connecting plates 126 is fixedly connected to a pay-off column 125. When the pay-off drive member 122 drives the pay-off spindle 123 to rotate, the pay-off spindle 123 drives the connecting plate 126 to rotate through the pay-off fixing plate 127, and the connecting plate 126 drives the pay-off column 125 to rotate. The pay-off column 125 is fixed on the turntable, and then the turntable rotates accordingly.

[0113] In some embodiments, as Figure 4As shown, at least two sets of adjustment seats are evenly arranged around the axis of the turntable 124. Each set of adjustment seats includes three struts 128. The three struts 128 of the two sets of adjustment seats are arranged alternately. The three payout columns 125 can be selectively fixed to the three struts 128 in any set of adjustment seats. Each strut 128 has an adjustment hole 1281 defined along the radial direction of the turntable 124. The payout columns 125 can be selectively mounted in any of the adjustment holes 1281, enabling adjustment of the outer diameters of the three payout columns 125. The connecting plate 126 is adjustable in radial length to accommodate the radial position of the payout columns 125.

[0114] In some embodiments, the first wire guiding mechanism 13 includes a first column 131, a rotating frame 132, a wire-passing wheel 136, a follower roller 139, a shock-absorbing pad 137 and an elastic component 138, wherein the first column 131 is fixedly mounted on the wire-paying base 121; the rotating frame 132 is arranged on one side of the first column 131 and is arranged toward the wire-paying frame 12, and a wire-passing mounting block 133 is provided on the rotating frame 132, and a wire-passing mounting plate 134 is provided on the wire-passing mounting block 133; the wire-passing wheel 136 and the follower roller 139 are installed on the wire-passing mounting plate 134 in an alternating rotation, and a wire-passing channel for the steel bars to pass through is formed between the wire-passing wheel 136 and the follower roller 139; the elastic component 138 is arranged between the first column 131 and the rotating frame 132 to elastically mount the rotating frame 132 on the first column 131, and the shock-absorbing pad 137 is arranged between the wire-passing mounting block 133 and the rotating frame 132.

[0115] like Figure 6 As shown, the wire-passing mounting block 133 is rotatably mounted on the top of the rotating frame 132, and the wire-passing mounting plate 134 swings up and down relative to the column as the wire-passing mounting block 133 rotates. The wire-passing mounting plate 134 is rotatably set on the wire-passing mounting block 133, and the rotating axis of the wire-passing mounting plate 134 is perpendicular to the rotating axis of the wire-passing mounting block 133. A limiting plate 135 is set on the top of the wire-passing mounting block 133, and the top insertion rod 1341 of the wire-passing mounting plate 134 can be inserted into the limiting hole 1351 on the limiting plate 135, thereby controlling the rotation amplitude of the wire-passing mounting plate 134.

[0116] When the steel bar passes through the wire passing channel, the wire passing wheel 136 and the follower roller 139 both rotate. Since the wire passing mounting block 133 is rotatably set on the rotating frame 132, and the wire passing mounting plate 134 is rotatably set on the wire passing mounting block 133, the force applied by the steel bar to the follower roller 139 and the wire passing wheel 136 can be reduced, thereby extending the service life of the follower roller 139 and the wire passing wheel 136.

[0117] Specifically, a shock-proof base plate is provided under the line-passing mounting block 133, one end of the shock-proof base plate is fixedly connected to the lower surface of the line-passing mounting block 133, and the other end of the shock-proof base plate is bent downward to form an L-shape. A shock-proof pad 137 is installed on the downward-bent part of the shock-proof base plate facing the side wall of the first column 131, and the shock-proof pad 137 is in elastic contact with the rotating frame 132 to achieve a shock-absorbing effect on the line-passing mounting block 133.

[0118] In some embodiments, the elastic component 138 includes a spring mounting seat 1381, a mounting cover 1384 and a first elastic member 1383. The spring mounting seat 1381 is installed in the fixed block 1382, and the fixed block 1382 is fixed on the rotating frame 132; one end of the mounting cover 1384 is fixed on the rotating frame 132, and the other end is fixed on the first column 131; one end of the first elastic member 1383 is installed on the spring mounting seat 1381, and the other end of the first elastic member 1383 is connected to the mounting cover 1384.

[0119] Combine Figure 7 and Figure 8 The mounting cover 1384 is U-shaped and fastens a spring mounting seat 1381 and a first elastic member 1383. The two free ends of the mounting cover 1384 are fixedly connected to the slewing frame 132 and the first column 131, respectively. As shown in the figure, the upper free end of the mounting cover 1384 is fixedly connected to the first column 131, and the lower free end is fixedly connected to the slewing frame 132. The mounting cover 1384 covers two first elastic members 1383. During the rebar laying and movement process, the force acting on the wire-passing mounting block 133 is buffered by the shock-absorbing pad 137, thereby reducing the vibration of the slewing frame 132. At the same time, the vibration of the slewing frame 132 is buffered and shock-absorbed by the mounting cover 1384 compressing the first elastic member 1383, thereby reducing the transmission of vibration from the slewing frame 132 to the first column 131.

[0120] In some embodiments, among the multiple first guiding mechanisms 13 along the first direction, except for the upstreammost first guiding mechanism 13 (the first one), all other first guiding mechanisms 13 are equipped with wear-resistant port assemblies 14. Wear-resistant port assemblies 14 have wear-resistant ports for steel bars to pass through. The wear-resistant ports straighten and straighten the steel bars and facilitate the diversion or dispersed transportation of multiple steel bars of different specifications. The number of wear-resistant ports in the multiple first guiding mechanisms 13 increases along the first direction from the end away from the straightening device 2 to the end closer to the straightening device 2, i.e., the end with positive wear-resistant ports along the first direction.

[0121] In some embodiments, the wear-resistant opening assembly 14 includes a wear-resistant opening mounting seat 141, an upper pressure block 142 and a buckle 145. One end of the wear-resistant opening mounting seat 141 is fixedly connected to the first column 131, and the other end of the wear-resistant opening mounting seat 141 is provided with a first half wear-resistant opening; the upper pressure block 142 is provided with a second half wear-resistant opening, and the upper pressure block 142 is rotatably mounted on the wear-resistant opening mounting seat 141. The first half wear-resistant opening and the second half wear-resistant opening are opposite to each other and can be buckled with each other to form a first wear-resistant opening 143, and the steel bar can be passed through the first wear-resistant opening 143; the two ends of the buckle 145 are respectively connected to the upper pressure block 142 and the wear-resistant opening mounting seat 141 to lock the first wear-resistant opening 143. Specifically, the buckle 145 can be an elastic buckle 145, one end of the buckle 145 is fixed on the wear-resistant opening mounting seat 141, and the other end can be elastically hung on the upper pressure block 142 to achieve locking.

[0122] The wear-resistant port assembly 14 also includes a second wear-resistant port 144 arranged on the wear-resistant port mounting seat 141. Along the first direction, the number of second wear-resistant ports 144 on the downstream wear-resistant port assembly 14 is one more than the number of second wear-resistant ports 144 on the upstream wear-resistant port assembly 14, and the second wear-resistant port 144 of the latter wear-resistant port assembly 14 is coaxially arranged with the first wear-resistant port 143 or the second wear-resistant port 144 on the previous wear-resistant port assembly 14, and the steel bars are passed through the multiple coaxially arranged first wear-resistant ports 143 and second wear-resistant ports 144.

[0123] like Figures 9-11As shown, taking the example of four first conductor mechanisms 13 arranged along the first direction on the pay-off frame 11, except the first one, the other three first conductor mechanisms 13 are all provided with wear-resistant port assemblies 14, and the three wear-resistant port assemblies 14 are respectively provided on the three first conductor mechanisms 13. Specifically, along the positive direction of the first direction, the steel bars of the first specification are directly led out through the wire-passing passage of the first conductor mechanism 13; the second first conductor mechanism 13 is provided with a first wear-resistant port 143, and the steel bars of the first specification pass through the first wear-resistant port 143 to continue to extend the pay-off forward, while the steel bars of the second specification are led out through the wire-passing passage of the second first conductor mechanism 13; the third first conductor mechanism 13 is provided with a first wear-resistant port 143 and a second wear-resistant port 144, and the second wear-resistant port 144 is coaxial with the first wear-resistant port 143 on the second first conductor mechanism 13, and the first The steel bars of the first and second specifications are passed through the second wear-resistant opening 144, the steel bars of the second specifications are passed through the first wear-resistant opening 143 on the second first guide mechanism 13, and the steel bars of the third specifications are led out from the wire-passing channel on the third first guide mechanism 13; the fourth first guide mechanism 13 is provided with a first wear-resistant opening 143 and two second wear-resistant openings 144, and the two second wear-resistant openings 144 are coaxial with the first wear-resistant opening 143 and the second wear-resistant opening 144 on the second first guide mechanism, respectively, to allow the steel bars of the first and second specifications to pass through, while the first wear-resistant opening 143 is for the steel bars of the third specification to pass through. It can be understood that in order to ensure the coaxiality of the above-mentioned multiple wear-resistant openings, the structure of the wear-resistant opening mounting seat 141 and the rotational installation position of the upper pressure block 142 need to be adjusted accordingly to meet the design requirements. Among them, the upper pressure block 142 and the wear-resistant opening mounting seat 141 are rotationally connected by the pressure block pin.

[0124] In some embodiments, the pay-off device 1 also includes a second wire guide mechanism 15, which is arranged downstream of the pay-off frame 12 along the first direction, and the second wire guide mechanism 15 includes a second column 151, two long wire guide rollers 153, two short wire guide rollers 154, an installation panel 155 and a first wire guide wheel 156. The second column 151 is fixed on the pay-off frame 11, and a wire box 152 is provided on the second column 151; the wire box 152 includes an upper box plate 1521 and a lower box plate 1522 that are relatively spaced apart, and a left box plate 1523 and a right box plate 1524 that are relatively spaced apart at both ends of the upper box plate 1521 and the lower box plate 1522. The upper box plate 1521, the lower box plate 1522, the left box plate 1523 and the right box plate 1524 enclose a wire box 152 with a rectangular cross-section. Two long wire guide rollers 153 are arranged at intervals in the wire box 152, and the two ends of each long wire guide roller 153 are respectively rotatably mounted on the upper box plate 1521 and the lower box plate 1522 of the wire box 152; two short wire guide rollers 154 are arranged at intervals in the wire box 152, and the two ends of each short wire guide roller 154 are respectively rotatably mounted on the left box plate 1523 and the right box plate 1524 of the wire box 152, that is, the short wire guide roller 154 is perpendicular to the long wire guide roller 153. ; Two short wire guide rollers 154 are arranged on the side of the two long wire guide rollers 153 away from the first wire guide mechanism 13; there are multiple mounting panels 155, and multiple mounting panels 155 are spaced apart on the side of the wire box 152 away from the second column 151; multiple first wire guide wheels 156 are rotatably installed between any two adjacent mounting panels 155, and multiple first wire guide wheels 156 are spaced apart in the vertical direction, and steel bars can be passed between adjacent first wire guide wheels 156.

[0125] like Figure 11-12 As shown, the left box plate 1523 and the box mounting plate 1525 are respectively arranged on both sides of the second column 151 and are fixedly connected by bolts and nuts to achieve the installation of the wire box 152 and the second column 151. A diagonal brace is provided between the second column 151 and the pay-off frame 11 to increase the connection strength of the second column 151. The long wire guide roller 153 is isolated from the lower box plate 1522 and can rotate freely. The two long wire guide rollers 153 are respectively arranged on the left and right sides of the wire box 152 and are parallel to each other. Inside the wire box 152, the short wire guide roller 154 is arranged sequentially with the long wire guide roller 153 along the first direction. The short wire guide roller 154 can rotate freely. The two short wire guide rollers 154 are respectively arranged at the upper and lower ends of the wire box 152 and are parallel to each other.

[0126] As shown in the figure, there are three mounting panels 155, one of which is fixedly connected to the right box plate 1524, and three first wire guide wheels 156 are installed between any two adjacent mounting panels 155. The six first wire guide wheels 156 in the figure form four small-hole channels for the passage of steel bars, which are suitable for small-sized steel bars; two long wire guide rollers 153 and two short wire guide rollers 154 form large-hole channels for the passage of steel bars in the wire box 152, which are suitable for large-sized steel bars.

[0127] In some embodiments, at least two second guiding mechanisms 15 are provided, and the at least two second guiding mechanisms 15 are spaced apart along the first direction to divert a plurality of steel bars from the first guiding mechanism 13 .

[0128] For example, two second wire guide mechanisms 15 are arranged on the pay-off frame 11 at intervals along the first direction. The two second wire guide mechanisms 15 can have the same structure, or second wire guide mechanisms 15 of different specifications can be arranged according to the diversion requirements of the steel bars, such as increasing or decreasing the size of the first wire guide wheel 156 to adapt to steel bars of different specifications; increasing or decreasing the number of first wire guide wheels 156 to adapt to the diversion of multiple steel bars on more pay-off frames 12; adjusting the position of the second wire guide mechanism 15 on the pay-off frame 11 to adapt to the incoming steel bar position of the next process, etc.

[0129] refer to Figure 1 As shown, the wire-paying device 1 further includes a wire-paying fence net arranged outside the wire-paying frame 12 to prevent unauthorized persons from entering by mistake.

[0130] refer to Figure 13-Figure 32 As shown, the straightening device 2 also includes a traction mechanism 22 and a conveying mechanism 24. The conveying mechanism 24 includes a mobile frame 244 and a conveying drive 241. The mobile frame 244 is movably arranged on the straightening frame 21 along the second direction. The conveying drive 241 is used to drive the mobile frame 244 to move. The traction mechanism 22 and the straightening mechanism 23 are both arranged on the mobile frame 244 to move relative to the straightening frame 21 along the second direction under the drive of the conveying drive 241. Specifically, any straightening roller 231 is rotatably arranged on the mobile frame 244 through a straightening roller seat 233, and any straightening roller 231 extends along the first direction. The traction mechanism 22 includes multiple groups of traction assemblies 221 corresponding to each straightening roller 231. Each traction assembly 221 is used to pull steel bars of different diameters into the corresponding straightening roller 231.

[0131] refer to Figure 17-18As shown, the traction assembly 221 includes a traction driven wheel 2211 and a traction driving wheel 2212. A clamping space for clamping the steel bars is formed between the traction driven wheel 2211 and the traction driving wheel 2212. The traction driving member 2218 is connected to the traction driving wheel 2212 to drive the traction driving wheel 2212 to rotate, thereby driving the steel bars to move toward the straightening roller 231.

[0132] In some embodiments, in order to allow the steel bars to smoothly enter the clamping space, the traction assembly 221 further includes a first adjustment drive member 2213, which is used to drive the traction driven wheel 2211 to move closer to or away from the traction driving wheel 2212 to loosen or clamp steel bars of different diameters.

[0133] Specifically, each traction assembly 221 includes at least two traction driven wheels 2211 and traction driving wheels 2212 corresponding to the traction driven wheels 2211. The traction driven wheels 2211 are spaced apart along a first direction. To achieve synchronous movement of the traction driven wheels 2211 relative to the traction driving wheels 2212, the traction driven wheels 2211 are connected to each other via a seesaw frame 2214. Each traction driven wheel 2211 is rotationally connected to the seesaw frame 2214 via a seesaw shaft. A first adjustment driver 2213 is connected to the seesaw frame 2214.

[0134] In order to increase the strength of the traction driven wheel 2211 and the traction driving wheel 2212 in clamping the steel bar, the steel bar is prevented from being moved relative to the traction driven wheel 2211 and the traction driving wheel 2212. Slipping, the traction assembly 221 also includes a clamping arm 2215, a seesaw connecting frame 2216 and a connecting arm 2217. The clamping arm 2215 is rotatably set on the mobile frame 244 through a clamping pin. The first end of the clamping arm 2215 is connected to the first end of the seesaw connecting frame 2216, and the second end of the clamping arm 2215 is connected to the first adjusting drive member 2213. One end of the connecting arm 2217 is coaxially rotatably connected to the seesaw frame 2214 with the second end of the seesaw connecting frame 2216, and the other end of the connecting arm 2217 is rotatably connected to the mobile frame 244. Then, a four-link structure is formed between the connecting arm 2217, the mobile frame 244, the seesaw connecting frame 2216 and the clamping arm 2215. Under the action of the first adjusting drive member 2213, the traction driven wheel 2211 moves toward the traction active wheel 2212 and clamps the steel bar with a strong clamping force. Moreover, the distance between the clamping pin and the first end of the clamping arm 2215 is smaller than the distance between the clamping pin and the second end of the clamping arm 2215. The clamping arm 2215 acts as a force-saving lever, and the first adjusting drive member 2213 exerts a greater clamping force on the steel bar by pulling the driven wheel 2211.

[0135] Furthermore, the outer circumference of the traction driven wheel 2211 and / or the traction driving wheel 2212 is provided with anti-slip grooves to further prevent the rebar from slipping. For example, the traction driven wheel 2211 and / or the traction driving wheel 2212 are both V-shaped wheels to prevent axial displacement of the rebar relative to the traction driven wheel 2211 and the traction driving wheel 2212, while the first adjustment drive member 2213 is a pneumatic cylinder.

[0136] refer to Figure 19 As shown, in order to reduce the cost of the straightening device 2, each traction assembly 221 shares a traction drive member 2218. Based on this, the traction mechanism 22 also includes a transmission assembly 222, which connects the traction drive member 2218 and each traction driving wheel 2212 to achieve synchronous rotation of each traction driving wheel 2212.

[0137] Specifically, the transmission assembly 222 includes a traction main shaft 2221 extending in the second direction. The traction driving pulleys 2212 of each traction assembly 221 are spaced apart and sleeved on the traction main shaft 2221 and rotate with the traction main shaft 2221. The traction driving member 2218 is connected to the traction main shaft 2221 to drive the rotation of the traction main shaft 2221. Based on the premise that the traction assembly 221 includes two traction driving pulleys 2212, two traction main shafts 2221 are spaced apart along the first direction. The two traction driving pulleys 2212 of the traction assembly 221 are respectively sleeved on the two traction main shafts 2221. In this case, the transmission assembly 222 also includes a traction pulley 2222 and a traction belt. The traction driving member 2218 is a motor. The output shaft of the traction driving member 2218 and the traction main shaft 2221 are both provided with traction pulleys 2222 and are connected by the traction belt.

[0138] More specifically, in order to prevent the traction driving wheel 2212 from moving axially relative to the traction main shaft 2221, the transmission assembly 222 also includes a spacer 2224 and a pressure cover 2223. The pressure cover 2223 is arranged on both sides of the traction main shaft 2221. Spacers 2224 are arranged between adjacent traction driving wheels 2212, between the traction driving wheel 2212 and the traction pulley 2222, and between the traction driving wheel 2212 and the pressure cover 2223.

[0139] In some embodiments, the traction mechanism 22 further includes a first limiting component 223. A plurality of first limiting components 223 are correspondingly arranged upstream of each traction component 221 for limiting the position of the steel bars to prevent them from jumping during the straightening process.

[0140] refer to Figure 22-23As shown, the first limiting assembly 223 includes a limiting driving member 2231, a first clamping block 2232, a second clamping block 2233 and a fixing seat 2234. The fixing seat 2234 is provided with a mounting groove 22341. The first clamping block 2232 is fixed in the mounting groove 22341. The second clamping block 2233 is connected to the limiting driving member 2231 and moves along the third direction ( Figure 1 The first clamping block 2232 is moved closer to or farther away from the first clamping block 2232, thereby cooperating with the first clamping block 2232 to clamp the steel bar, thereby limiting the steel bar along the second direction and the third direction, and the third direction is perpendicular to the first direction and the second direction.

[0141] More specifically, the limiting driving member 2231 also uses a cylinder. To prevent the first limiting assembly 223 from locking the steel bar, the first limiting assembly 223 also includes a second elastic member 2235. The second elastic member 2235 is connected to the second clamping block 2233 and the fixing seat 2234, and keeps the second clamping block 2233 away from the first clamping block 2232. Exemplarily, the second elastic member 2235 is a spring, one end of which is connected to the second clamping block 2233, and the other end passes through the fixing seat 2234 and is connected to the spring base 2236 fixed to the fixing seat 2234.

[0142] Continue to refer Figure 22-23 As shown, the first limiting assembly 223 further includes a guide rod 2238, one end of which is connected to the limiting driver 2231, and the other end of which passes through the first clamping block 2232 and is connected to the second clamping block 2233. In addition, two guide rods 2238 are provided at intervals along the second direction, and the steel bar is limited between the two guide rods 2238, the first clamping block 2232, and the second clamping block 2233. It can be understood that in addition to limiting the position of the steel bar, the guide rod 2238 also guides the movement direction of the second clamping block 2233. Furthermore, to facilitate timely replacement of the first clamping block 2232 and the second clamping block 2233, a mounting groove 22341 extends through the fixing seat 2234 in a first direction. Meanwhile, opposite side walls of the mounting groove 22341 are each provided with an embedding groove 22342, which extends through the side walls of the mounting groove 22341 in the first direction. Opposite ends of the first clamping block 2232 are embedded in the embedding grooves 22342. When the first clamping block 2232 needs to be replaced, it is only necessary to move the first clamping block 2232 in the first direction. Furthermore, the first limiting assembly 223 further includes a clamping block mounting seat 2237, which has a fixing groove. The second clamping block 2233 is fixed to the clamping block mounting seat 2237 by a method not limited to bolt connection. The guide rod 2238 is connected to the second clamping block 2233 by connecting to the clamping block mounting seat 2237.

[0143] refer to Figure 20-21As shown, the traction mechanism 22 also includes a second limiting assembly 224 to further limit the position of the steel bar. The second limiting assembly 224 includes at least two sets of wire guide rollers, which are spaced apart along the first direction. Each wire guide roller set includes two second wire guide rollers 2241 spaced apart along the second direction, and the steel bar can pass between the two second wire guide rollers 2241. It is worth emphasizing that the first limiting assembly 223 is arranged between the two wire guide rollers. Then, the first limiting assembly 223 and the second limiting assembly 224 are spaced apart in the first direction, i.e., the transmission direction of the steel bar, to provide a better limiting effect.

[0144] The straightening roller 231 includes a roller body 2311 and a straightening mold 2312 arranged in the roller body 2311 at intervals along the length direction of the roller body 2311, that is, along the first direction. The roller body 2311 has openings at both ends along the first direction. The two ends of the roller body 2311 along the first direction are each rotatably connected to the straightening roller seat 233 through an axis head 2315. Specifically, one end of the axis head 2315 is rotatably connected to the straightening roller seat 233, and the other end is inserted into the roller body 2311 from the opening of the roller body 2311 and fixedly connected to the roller body 2311. An axis hole 23151 for the steel bar to pass through is provided through the axis head 2315. Both ends of the axis hole 23151 are set to be tapered from the end to the center to reduce the difficulty of inserting the steel bar.

[0145] Specifically, the roller body 2311 is formed by four panels, which are bolted together to facilitate the later maintenance and replacement of the straightening die 2312. To reduce the weight of the first straightening roller 231a and thus the load on the straightening drive 232, and to facilitate the observation of the position of the straightening die 2312 within the first roller body 2311, the roller body 2311 is provided with multiple weight-reducing holes corresponding to the straightening die 2312.

[0146] The structure of the straightening mold 2312 used varies depending on the diameter of the rebar. In some embodiments, the straightening roller 231 is divided into a first straightening roller 231a and a second straightening roller 231b. The first straightening roller 231a is used to straighten rebars with relatively smaller diameters, for example, rebars with diameters of 6-16 mm, and the second straightening roller 231b is used to straighten rebars with relatively larger diameters, for example, rebars with diameters of 16-25 mm.

[0147] refer to Figure 24 and Figure 25As shown, the straightening die 2312 of the first straightening roller 231a adopts a nozzle group, illustratively, there are five nozzle groups. The nozzle group further includes a nozzle 23121, a guide nozzle 23122, and a straightening clamp 23123. The nozzle 23121 is fixedly mounted in the roller body 2311. The nozzle 23121 has a mounting hole extending through the nozzle 23121 along the length of the roller body 2311. The straightening clamp 23123 is mounted in the mounting hole. The straightening clamp 23123 has a straightening hole extending through the straightening clamp 23123 along the length of the roller body 2311. Adjacent straightening holes are staggered in a direction perpendicular to the first direction. Multiple guide nozzles 23122 are connected to the upstream side of the nozzle 23121 in a one-to-one correspondence manner, not limited to bolt connections. The inner wall of the guide nozzle 23122 is configured as a cone with an inner diameter gradually increasing from the side closest to the nozzle 23121 to the other side, so as to guide the steel bars into the straightening holes. Straightening clamp 23123 compresses the rebar passing through it, forcibly straightening it in conjunction with the rotation of roller 2311 and the speed at which the rebar is fed. Straightening clamp 23123 is assembled into nozzle 23121 using a shrink-fit process, creating an interference fit between the two, thereby ensuring a stable connection.

[0148] Specifically, the position of the nozzle group in the roller body 2311 is adjustable to adjust the tension of each straightening clamp 23123 on the steel bar. Figure 24 As shown, the nozzle group is slidably arranged in the roller body 2311 along the width direction of the roller body 2311, and the first straightening roller 231a also includes an adjusting nut 2314 and an adjusting rod 2313. The adjusting rod 2313 is passed through the roller body 2311 and connected to the nozzle group. The adjusting nut 2314 is located outside the roller body 2311 and abuts against the roller body 2311. The adjusting nut 2314 is sleeved on the adjusting rod 2313 and is threadedly connected to the adjusting rod 2313. By suspending the adjusting nut 2314, the adjusting rod 2313 moves relative to the roller body 2311 along the width direction of the roller body 2311, thereby realizing the adjustment of the position of the nozzle group in the roller body 2311.

[0149] The stress that needs to be released during the straightening process of steel bars with larger diameters is less than that of steel bars with smaller diameters. In order to reduce the friction with the steel bars during the straightening process, reference Figure 26-Figure 28As shown, the straightening die 2312 of the second straightening roller 231b for straightening the larger diameter adopts a straightening wheel group, which includes a straightening roller seat 23125 and a straightening roller 23124. The straightening roller seat 23125 is fixed in the roller body 2311 and is arranged to be approximately U-shaped. The straightening roller 23124 is rotatably arranged in the straightening roller seat 23125 through the straightening roller shaft 23126 and cooperates with the straightening roller seat 23125 to form a straightening hole. The axial direction of the straightening roller shaft 23126 is arranged at an angle to the length direction of the roller body 2311, that is, the first direction, so as to cooperate with the straightening roller seat 23125 to straighten the steel bars, and at the same time, it also has an axial conveying force on the steel bars, so that the steel bars are conveyed along the axial direction during the straightening process.

[0150] Specifically, the straightening roller 23124 also utilizes a V-shaped roller. The surface of the straightening roller seat 23125 facing the straightening roller 23124 is configured as a concave arc surface to increase the contact area with the rebar, thereby better applying force to the rebar and achieving a better straightening effect. For example, five straightening wheel sets are provided. Two straightening wheel sets, one on each side of the roller body 2311, are coaxial or approximately coaxial with the shaft hole 23151. These two straightening wheel sets primarily serve a guiding function. The other three straightening wheel sets are staggered along a length perpendicular to the roller body 2311 and primarily serve a straightening function.

[0151] Similarly, the position of the straightening wheel group in the second roller body 2311 is adjustable, and its adjustment method is the same as the adjustment method of the nozzle group, that is, the second straightening roller 231b also includes an adjusting nut 2314 and an adjusting rod 2313, and the adjusting rod 2313 is connected to the straightening wheel group, which will not be repeated here.

[0152] Specifically, when the angle between the straightening roller shaft 23126 and the roller body 2311 in the longitudinal direction is 30-40 degrees, both straightening effect and conveying capacity are achieved. Among them, when the angle between the roller shaft and the roller body 2311 in the longitudinal direction is 36 degrees, both straightening effect and conveying capacity are achieved.

[0153] In addition, in order to avoid mutual interference, the straightening drive member 232 is provided in a one-to-one correspondence with the straightening roller 231. For example, the straightening drive member 232 also adopts a motor, which is connected to the straightening roller 231 through a pulley transmission structure.

[0154] refer to Figure 15As shown, the conveying mechanism 24 includes a conveying drive member 241, a driving sprocket 242, a driven sprocket 243 and a chain. The conveying drive member 241 is connected to the driving sprocket 242 to drive the chain of the driving sprocket 242 and the driven sprocket 243 to move, and the mobile frame 244 is connected to the chain, thereby moving when the chain moves. Specifically, in order to improve the stability of the movement of the mobile frame 244, the mobile frame 244 is slidably arranged on the straightening frame 21 on both sides along the first direction. At the same time, in order to improve the synchronization of the movement of the relative sides of the mobile frame 244, the relative sides of the straightening frame 21 are provided with a chain, a driving sprocket 242 and a driven sprocket 243, and the relative sides of the mobile frame 244 are connected to the chain. At the same time, in order to save power, the driving sprockets 242 located on the left and right sides of the straightening frame 21 are connected to the same conveying drive member 241 through a sprocket shaft. Exemplarily, the conveying drive member 241 adopts a servo motor used in conjunction with a speed reducer.

[0155] More specifically, sliding grooves are provided on opposite sides of the straightening frame 21, within which the movable frame 244 slides. Nylon blocks are also spaced apart within the sliding grooves along the direction of movement of the movable frame 244. These blocks provide support and prevent wear. Compared to integral nylon strips, these blocks are less prone to deformation and provide a better guiding effect.

[0156] In some embodiments, the wire feeding mechanism 25 is arranged upstream of the traction mechanism 22 , that is, the wire feeding mechanism 25 , the traction mechanism 22 and the straightening mechanism 23 are arranged on the straightening frame 21 in sequence.

[0157] refer to Figure 29 As shown, the wire feeding mechanism 25 includes a wire feeding seat 251, a wire feeding driving wheel 252, a wire feeding driven wheel 253, a wire feeding driver 254, and a second adjustable driver 255. The wire feeding driving wheel 252 and the wire feeding driven wheel 253 are spaced apart along the second direction on the wire feeding seat 251. The wire feeding driver 254 is connected to the wire feeding driving wheel 252 to drive the wire feeding driving wheel 252 to rotate. The wire feeding driven wheel 253 can move toward or away from the wire feeding driving wheel 252 under the action of the second adjustable driver 255 to clamp the steel bars and cooperate with the wire feeding driving wheel 252 to transport the steel bars. Exemplarily, the wire feeding driver 254 is a motor.

[0158] Specifically, two of the wire-feeding driving wheels 252 and two of the wire-feeding driven wheels 253 are arranged at intervals along the first direction to improve the stability of the steel bar transportation. On this basis, in order to achieve the synchronous movement of the two wire-feeding driven wheels 253, the wire-feeding driven wheel 253 is slidably set in the guide groove opened on the wire-feeding seat 251 through the feeding slider 256, and the feeding slider 256 is provided with a pushing shaft 257, and the second adjusting drive member 255 adopts a cylinder. The wire-feeding mechanism 25 also includes a downward pressing rocker 258, and both ends of the second adjusting drive member 255 are connected to the downward pressing rocker 258. The downward pressing rocker 258 is rotatably set on the wire-feeding seat 251, and the end of the downward pressing rocker 258 away from the second adjusting drive member 255 abuts against the pushing shaft 257. When the second adjusting drive member 255 retracts, the downward pressing rocker 258 rotates, and the end of the downward pressing rocker 258 away from the second adjusting drive member 255 pushes the pushing shaft 257, so that the wire-feeding driven wheel 253 approaches the wire-feeding active wheel 252, thereby clamping the steel bars and cooperating with the wire-feed active wheel 252 to transport the steel bars.

[0159] More specifically, the wire feeding mechanism 25 also includes a third elastic member 259, which is arranged between the feeding slider 256 and the bottom wall of the guide groove to keep the feeding slider 256 away from the wire feeding driving wheel 252, so as to avoid the wire feeding driving wheel 252 and the wire feeding driven wheel 253 locking the steel bars and affecting the steel bar transportation.

[0160] It is understandable that the wire feeding mechanism 25 is only used to initially guide the steel bars to the traction mechanism 22. After the steel bars come into contact with the traction mechanism 22, the wire feeding mechanism 25 no longer needs to perform the function of conveying the steel bars. Figure 30 As shown, the wire feeding mechanism 25 further includes an avoidance drive 2510. The wire feeding seat 251 includes a wire feeding frame 2511 and a avoidance plate 2512. The wire feeding frame 2511 is fixed to the straightening frame 21. The avoidance plate 2512 is movably arranged on the wire feeding frame 2511 along the third direction. The avoidance drive 2510 is used to drive the avoidance plate 2512 to move. The wire feeding driving wheel 252 and the wire feeding driven wheel 253 are both arranged on the avoidance plate 2512. When the steel bar contacts the traction mechanism 22, the avoidance plate 2512 drives the wire feeding driving wheel 252 and the wire feeding driven wheel 253 to retreat to avoid the steel bar, thereby reducing the resistance to the steel bar's movement.

[0161] Specifically, the avoidance plate 2512 is located in the incoming wire frame 2511, and both sides of the avoidance plate 2512 that are opposite to each other along the first direction are slidably arranged on the incoming wire frame 2511, and the avoidance driving member 2510 also adopts a cylinder.

[0162] refer to Figure 29 and Figure 30As shown, the wire feeding mechanism 25 further includes a longitudinal wire feeding roller 2520, a transverse wire feeding roller 2530, and a wire feeding fixing plate 2540. The longitudinal wire feeding roller 2520 and the transverse wire feeding roller 2530 are arranged vertically. The two longitudinal wire feeding rollers 2520 are arranged in parallel and spaced apart on the wire feeding fixing plate 2540, and the longitudinal wire feeding rollers 2520 are rotatably connected to the wire feeding fixing plate 2540. The two transverse wire feeding rollers 2530 are arranged in parallel and spaced apart on the wire feeding fixing plate 2540, and the transverse wire feeding rollers 2530 are rotatably connected to the wire feeding fixing plate 2540. The steel bars can pass between the two longitudinal wire feeding rollers 2520 and the two transverse wire feeding rollers 2530 to achieve preliminary restraint.

[0163] The straightening device 2 also includes a hoist 26, which is disposed between the wire feed mechanism 25 and the traction mechanism 22 to draw the rebar into the wire feed mechanism 25. When the straightening device 2 is in operation, the end of the rebar is connected to the wire rope on the hoist 26, thereby drawing the rebar between the wire feed driving wheel 252 and the wire feed driven wheel 253. This eliminates the time required to manually guide the rebar into the wire feed mechanism 25, further improving the efficiency of rebar straightening.

[0164] refer to Figure 13 As shown, the straightening device 2 also includes a guide roller 27, which is arranged between the wire feeding mechanism 25 and the traction mechanism 22 and extends along the second direction. The guide roller 27 is used to guide the steel bars so that the steel bars can enter the traction mechanism 22 smoothly.

[0165] In some embodiments, the straightening device 2 further includes a counting mechanism 28 disposed downstream of the straightening mechanism 23 for counting the length of the straightened rebar. The counting mechanism 28 includes a counting driving wheel 281, a counting driven wheel 282, and an encoder 283. The counting driving wheel 281 and the counting driven wheel 282 can move toward or away from each other along a third direction to clamp the rebar straightened by the straightening mechanism 23. The encoder 283 is connected to the counting driving wheel 281 to determine the length of the straightened rebar by counting the number of rotations of the counting driving wheel 281.

[0166] It is worth emphasizing that, in order to reduce the difficulty of assembly, the straightening roller seat 233 where any straightening roller 231 is located is of the same size and shape, that is, no matter how much the diameter of the straightened steel bar is, the axis of the straightened steel bar remains unchanged. Figure 31 and Figure 32As shown, in order to enable the counting driving wheel 281 and the counting driven wheel 282 to clamp the steel bars, the counting mechanism 28 includes a third adjusting driver 284 and a fourth adjusting driver 285. The output end of the third adjusting driver 284 is connected to the counting driving wheel 281 for driving the counting driving wheel 281 to move in the third direction. The output end of the fourth adjusting driver 285 is connected to the counting driven wheel 282 for driving the counting driven wheel 282 to move in the third direction. For example, the third adjusting driver 284 and the fourth adjusting driver 285 are both pneumatic cylinders.

[0167] Specifically, in order to improve the stability of the counting active wheel 281 and the counting driven wheel 282 during movement, the counting mechanism 28 also includes a first counting plate and a second counting plate, and the first counting plate and the second counting plate are arranged on the straightening frame 21 at intervals along the third direction. The counting active wheel 281 is slidably mounted on the first counting plate through the first sliding mounting plate 286, and the counting active wheel 281 is slidingly connected to the first sliding mounting plate 286. The counting driven wheel 282 is slidably mounted on the second counting plate through the second sliding mounting plate 287, and the counting driven wheel 282 is rotationally connected to the second sliding mounting plate 287.

[0168] Based on the setting of the counting mechanism 28, in order to better guide the steel bars to the counting mechanism 28 and prevent the ends of the steel bars from sinking under the action of their own gravity, the straightening device 2 also includes a conduit 29 arranged on the movable frame 244 for the steel bars to pass through. The conduit 29 is arranged between the straightening mechanism 23 and the counting mechanism 28, and multiple conduits 29 are arranged one-to-one corresponding to each straightening roller 231.

[0169] In order to prevent foreign matter from affecting the straightening of the steel bars during the straightening process, the straightening device 2 also includes a protective cover, which covers the entire straightening frame 21, the traction mechanism 22, and the straightening mechanism 23. The protective cover is provided with an avoidance hole for the steel bars to pass through. Specifically, the guide roller 27 passes through the protective cover from the avoidance hole. In order to facilitate the maintenance of the traction mechanism 22 and the straightening mechanism 23, the protective cover includes a main cover body and a movable door. The movable door is slidably arranged on the straightening frame 21 along a first direction to overlap or stagger with the main cover body in a third direction. When the movable door is staggered with the main cover body, the protective cover is in a closed state. When the movable door overlaps with the main cover body, the protective cover is in an open state, so that the traction mechanism 22 and the straightening mechanism 23 in the protective cover can be inspected.

[0170] refer to Figure 33-Figure 35As shown, the shearing device 3 is arranged on the straightening frame 21, and the shearing device 3 includes a shearing drive 33, a crank-connecting rod mechanism 32 and a shearing mechanism 31. The shearing mechanism 31 includes a shearing knife seat 311, a knife cylinder 312 and a shearing movable knife 313. The knife cylinder 312 is fixed on the shearing knife seat 311. A through hole 3121 for the steel bar to pass through is opened on the knife cylinder 312 along the first direction. The shearing movable knife 313 is connected to the shearing drive 33 through the crank-connecting rod mechanism 32. The shearing drive 33 is used to drive the crank-connecting rod mechanism 32 to move, and then drive the shearing movable knife 313 to move closer to or away from the knife cylinder 312 along the radial direction of the through hole 3121, thereby shearing the steel bar.

[0171] The shearing device 3 utilizes a crank-connecting rod mechanism 32 to convert the rotational motion of the shearing drive 33 into linear motion of the shearing cutter bar 324. Compared to conventional hydraulic shears, this reduces manufacturing and maintenance costs. Furthermore, the cutter bar 312 itself provides a position limit for the steel bar, eliminating the need for a positioning device to position the steel bar. This simplifies the structure of the shearing device 3.

[0172] refer to Figure 33 and Figure 34 As shown, the crank-connecting rod mechanism 32 includes a shear mounting seat 321, an eccentric sleeve 322, a connecting rod 323, a shearing knife rod 324 and a knife rod sleeve 325. The shearing knife seat 311 is fixed on the shear mounting seat 321. The connecting rod 323 is eccentrically connected to the output end of the shear driving member through the eccentric sleeve 322, and rotates under the drive of the shear driving member 33. The shearing knife rod 324 slides through the knife rod sleeve 325 fixed on the shear mounting seat 321 and is rotatably connected to the connecting rod 323. The shearing movable knife 313 is arranged at the end of the shearing knife rod 324 away from the connecting rod 323. Specifically, the connecting rod 323 is sleeved on the eccentric sleeve 322, and the eccentric sleeve 322 is sleeved on the output shaft arranged at the output end of the shear drive member, and the axis of the eccentric sleeve 322 does not coincide with the output shaft, that is, the eccentric sleeve 322 is eccentrically arranged relative to the output shaft, and a bearing is arranged between the eccentric sleeve 322 and the connecting rod 323 to reduce friction. At the same time, retaining rings are arranged on both axial sides of the eccentric sleeve 322 to limit the eccentric sleeve 322 axially.

[0173] When shearing steel bars, the shear drive 33 drives the connecting rod 323 to rotate. During the rotation of the connecting rod 323, the shear cutter bar 324 is pushed to move closer to or away from the cutter cylinder 312 in the cutter bar sleeve 325, thereby completing the cutting of the steel bars located in the cutter cylinder 312.

[0174] More specifically, the shear mounting base 321 includes a first support panel and a second support panel arranged in parallel, the first support panel and the second support panel being fixedly connected by a connecting column. The shear blade seat 311 and the blade rod sleeve 325 are both fixedly clamped between the first support panel and the second support panel.

[0175] Shearing device 3 also includes a speed reducer and a proximity switch. The shearing drive 33 utilizes a servo motor connected to the output shaft via the speed reducer to prevent the shank sleeve 325 from reciprocating too quickly. The proximity switch provides feedback on the origin of the shearing drive 33. This allows the shearing drive 33 to return to its origin after extended operation, significantly reducing the error range for each rebar cut.

[0176] refer to Figure 34 As shown, to reduce friction between the shearing shank 324 and the shank sleeve 325, a bearing is provided between the shearing shank 324 and the shank sleeve 325. Lubricating oil is also filled in the shank sleeve 325. Furthermore, to prevent lubricating oil leakage, the shank sleeve 325 comprises a sleeve 3251, an end cap 3252, and a sealing ring. The sleeve 3251 is a cylindrical structure with both ends open in the axial direction. End caps 3252 are provided at both ends of the sleeve 3251. The end caps 3252 are provided with a mounting hole for the shearing shank 324 to pass through, as well as a receiving groove provided on the wall of the mounting hole. The sealing ring is placed in the receiving groove and has an interference fit with the shank sleeve 325, thereby achieving a sealed sliding connection between the shearing shank 324 and the shank sleeve 325.

[0177] Continue to refer Figure 34 As shown, to reduce the difficulty of threading the rebar into the cutter barrel 312, the through hole 3121 includes an axially connected guide section 31212 and a limiting section 31211. The limiting section 31211 has the same diameter as the rebar, while the guide section 31212 gradually increases in diameter from one end connected to the limiting section 31211 to the other end. Specifically, the guide section 31212 is located at the end of the limiting section 31211 away from the shearing movable blade 313, so that the rebar enters the cutter barrel 312 from the end away from the shearing movable blade 313, thereby improving shearing efficiency.

[0178] In order to adapt to steel bars of different diameters, the knife barrel 312 is detachably connected to the shearing knife seat 311. In one embodiment, a mounting hole is provided on the shearing knife seat 311, and the knife barrel 312 is inserted into the mounting hole and connected to the shearing knife seat 311 by bolts.

[0179] refer to Figure 35 As shown, the side of the shearing movable knife 313 close to the knife cylinder 312 is provided with an inwardly concave arc blade 3131. The force distribution of the arc blade 3131 is more uniform. Compared with the flat blade, it can reduce the possibility of knife breakage caused by local stress concentration, reduce the wear of the shearing movable knife 313, and extend the service life of the shearing movable knife 313.

[0180] Specifically, the movable shear blade 313 is connected to the shear bar 324 using a method other than bolts. Furthermore, the movable shear blade 313 is square, with curved blades 3131 on all four sides. If one side of the movable shear blade 313 becomes worn, the orientation of the movable shear blade 313 relative to the blade cylinder 312 can be adjusted so that different sides of the movable shear blade 313 face the blade cylinder 312. This allows the movable shear blade 313 to be reused, reducing the cost of shearing rebar.

[0181] like Figure 36 As shown, the pushing device 4 includes a pushing drive member 41, a pushing plate 42, a pushing fixing plate 43 and a pushing shaft 44. The pushing drive member 41 is arranged on the straightening frame 21 through the pushing fixing plate 43, and the output end of the pushing drive member 41 is connected to the pushing plate 42 through a floating joint. The pushing shaft 44 is fixed on the pushing plate 42 and is slidably connected to the pushing guide rod sleeve 45 provided on the pushing fixing plate 43.

[0182] like Figure 37 As shown, the straightening and bending machine also includes a straightening device 6, which is used to pre-straighten the steel bars, thereby reducing the difficulty of the steel bars entering the straightening device 2 or the first wire feeding mechanism 25. The straightening device 6 includes a straightening fixed plate 61, a straightening drive 63, and a handheld handle 65. Two straightening seats 62 are arranged on the straightening fixed plate 61 at intervals. A straightening cavity is provided on the straightening seat 62 along the spacing direction of the straightening seat 62. The two straightening cavities are coaxially arranged, and part of the cavity wall of the straightening cavity faces the straightening fixed plate 61; the straightening drive 63 is arranged on the straightening fixed plate 61, and a plug is provided at the output end of the straightening drive 63. The straightening drive 63 can drive the plug 64 to move in a direction perpendicular to the straightening cavity so as to be able to push against or away from the steel bars passing through the straightening cavity; the handheld handle 65 is arranged on the straightening fixed plate 61, and a control switch is provided on the handheld handle 65. The control switch controls the connection of the straightening drive 63.

[0183] The straightening device 6 can be held by the hand-held handle 65, and the steel bar to be straightened is placed in the straightening cavity. Then, the control switch on the hand-held handle 65 is used to control the straightening drive member 63 to drive the push head 64 to push against the steel bar in the middle part of the two straightening seats 62 to straighten it. The device is easy to operate and does not take up a large space. It can improve the straightening efficiency and improve the space utilization rate.

[0184] It should be emphasized that the straightening fixing plate 61, the straightening seat 62, and the hand-held handle 65 of the straightening device 6 are all made of a light material to facilitate operation.

[0185] In some embodiments, the control switch is a push button switch to facilitate control operation.

[0186] In some embodiments, the straightening seat 62 is a hook fixed to the straightening fixing plate 61. The two hooks face the same direction, and the hook grooves of the hooks serve as the straightening cavity, wherein part of the groove wall of the hook groove faces the straightening fixing plate 61. In other words, when the steel bar needs to be straightened at a certain point, it is not necessary to pass the end of the steel bar into the straightening cavity. The hook can be directly hooked at the position where straightening is required, thereby further improving the straightening efficiency.

[0187] Since the straightening operation adopts two-point support (the contact point between the steel bar and the straightening seat 62) and one-point support (the contact end between the steel bar and the head 64), the distance between the two support points determines the driving force required by the straightening drive 63. Based on the above principle, the distance between the two straightening seats 62 is adjustable, so that the position can be adjusted according to factors such as different steel bar sizes and different bending degrees. In some embodiments, a first mounting hole is provided on the straightening seat 62, and a plurality of second mounting holes are provided on the straightening fixing plate 61. Different second mounting holes are selected according to different needs, and the straightening seat 62 can pass through one of the first mounting hole and the second mounting hole through a locking member and be locked and fixed to the other. For example, one of the first mounting hole and the second mounting hole is a screw hole, and the other is a through hole. The locking member can be, but is not limited to, a bolt.

[0188] In some embodiments, in order to reduce unnecessary interference, the straightening drive member 63 and the straightening seat 62 are arranged on opposite sides of the straightening fixing plate 61. A through hole is provided on the straightening fixing plate 61, and the output end of the straightening drive member 63 is passed through the through hole, so that the pin 64 and the straightening seat 62 are located on the same side of the straightening fixing plate 61.

[0189] In some embodiments, the straightening device 6 also includes a mobile cart 66, which is provided with a hanger, and the straightening fixing plate 61 can be hung on the hanger, so that when it is not needed, it can be hung on the hanger. When it is needed, it can be moved to the location of the steel bar by the mobile cart 66, and the straightening operation can be performed by taking it off the hanger by holding the handle 65.

[0190] In the current embodiment, the hanger includes at least two spaced-apart support plates, one end of the two support plates is fixed on the side wall of the vehicle body, and the other end extends away from the vehicle body, so that when the straightening fixing plate 61 is placed on the two support plates, the straightening drive member 63 is located between the gaps formed by the two support plates; in order to avoid shaking when placed, a limiting plate is further provided at the end of the support plate away from the vehicle body, and the limiting plate and the support plate are set at an angle, and a clamping space is formed between the limiting plate and the side wall of the vehicle body to confine the straightening fixing plate 61 within the clamping space. When it needs to be used, the straightening fixing plate 61 can be lifted up by holding the handle 65.

[0191] In some embodiments, to facilitate movement and locking, a support leg is provided on one side of the bottom wall of the vehicle body and wheels are provided on the other side. The wheels and the support leg jointly support the vehicle body. To move the vehicle, simply tilt the vehicle body to lift the support leg off the ground. To facilitate pushing, a push handle is also provided on the top of the vehicle body.

[0192] The bending device 5 can utilize any existing hoop bending machine with replaceable bending dies. In some embodiments, the bending device 5 utilizes the fully automatic rebar bending and unloading machine proposed in the applicant's prior application (publication number CN119951952A), which integrates the functions of rebar bending, changing bending dies, and unloading, thereby achieving fully automated and integrated rebar bending processing. This description is omitted here. It is worth emphasizing that, based on the configuration of the aforementioned fully automatic rebar bending and unloading machine, the straightening frame 21 of the straightening device 2 utilizes a right-angled triangle frame, and the movable frame 244 is slidably disposed on the inclined surface of the straightening frame 21.

[0193] The straightening and bending machine in the embodiment of the present invention further includes a transfer device 7 , which is disposed downstream of the bending device 5 and is used to transfer steel bars.

[0194] like Figure 38 As shown, the transfer device 7 includes a transfer frame 71, a transfer plate 72, a transfer mechanism 73 and a limit rod group. The transfer frame 71 adopts a rectangular frame structure. The transfer frame 71 is connected to the output end of the transfer mechanism 73 so that it can move away from or close to the bending device 5 under the action of the transfer mechanism 73. The transfer plate 72 is laid on the transfer frame 71 to form a support surface for the steel bars to prevent the steel bars from falling. Multiple groups of limit rod groups are arranged on the transfer frame 71 at intervals along the movement direction of the transfer mechanism 73. Any limit rod group includes multiple limit rods 74 arranged at intervals along the movement direction perpendicular to the transfer mechanism 73. A limit space is formed between adjacent limit rod groups to limit the rolling of the steel bars so as to transfer the steel bars in batches.

[0195] Specifically, the transfer mechanism 73 can adopt any known drive structure such as a sprocket drive structure, which will not be described in detail here. It is worth emphasizing that the transfer frame 71 can be moved to the bottom of the discharge collection component of the above-mentioned fully automatic steel bar bending and unloading machine.

[0196] According to the above-mentioned straightening and bending machine, an embodiment of the present invention further provides a steel bar processing method, comprising the following steps:

[0197] S1. Winding steel bars of various specifications (such as different diameters) onto a plurality of pay-off frames 12, determining the required specifications of steel bars, and starting the corresponding pay-off frames.

[0198] Through the plurality of first conductor mechanisms 13 and second conductor mechanisms 15 , the steel bars are sequentially inserted and divided and led out to the feeder mechanism 25 .

[0199] Specifically, the required rebar specifications are determined, and the corresponding payout drive 122 on the payout frame 12 is activated. The payout drive 122 drives the payout spindle 123 to rotate, which in turn drives the payout column 125 and the turntable 124 to rotate, and the rebar is paid out at the set speed. By controlling the power of the motor and reducer in the payout drive 122, the speed of the turntable 124 and the payout column 125 is controlled, thereby controlling the rebar release speed. After the payout is completed, the payout drive 122 is turned off, the turntable 124 and the payout column 125 stop rotating, and the rebar payout stops.

[0200] By providing the wear-resistant port assembly 14 , the steel bars on the multiple pay-off frames 12 can be better divided and paid out.

[0201] The straightening device 6 can make the steel bar pass through the first wire mechanism 13 or the wire feeding mechanism 25 better.

[0202] S2. Use the winch 26 or manually pull the steel bars into the wire feeding mechanism 25, and start the wire feeding mechanism 25 to transport the steel bars.

[0203] By starting the second adjustment drive member 255, the avoidance plate 2512 is driven to move along the third direction, so that the steel bar is between the incoming driving wheel 252 and the incoming driven wheel 253. The incoming driven wheel 253 cooperates with the incoming driving wheel 252 to clamp the steel bar.

[0204] S3. Adjust the position of the straightening mechanism 23 so that the straightening roller 231 corresponding to the steel bar is facing the incoming position of the wire feeding mechanism 25, so that the steel bar passes into the straightening roller 231, and adjust the position of the corresponding nozzle group or straightening wheel group so that the nozzle group or straightening wheel group squeezes the steel bar. The straightening roller 231 rotates, and the corresponding nozzle group or straightening wheel group straightens the steel bar.

[0205] By setting the first limiting component 223 and the second limiting component 224, the steel bar is limited to avoid jumping during the straightening process of the steel bar.

[0206] The provision of the traction mechanism 22 reduces the difficulty of the steel bars entering the straightening roller 231 .

[0207] S4, the counting mechanism 28 determines the length of the straightened steel bars;

[0208] S5, the shearing device 3 shears the steel bar, causing the steel bar to fall onto the bending device 5, and the pushing device 4 pushes the steel bar to place the steel bar in the bending position preset by the bending device 5.

[0209] S6. The bending device 5 bends the steel bar to obtain a bent steel bar.

[0210] It is worth emphasizing that the bending device 5 should replace the bending die before the steel bar falls to the preset bending position;

[0211] S7. Unload and collect the steel bars.

[0212] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. A person skilled in the art would be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is not necessary and impossible to enumerate all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. Straightening and bending machine, characterized by: include: A wire-paying device (1), the wire-paying device (1) comprising a plurality of wire-paying frames (12), wherein different wire-paying frames (12) are used for paying out steel bars of different diameters; A straightening device (2) is arranged downstream of the pay-off device (1) along a first direction, the straightening device (2) comprises a straightening frame (21), a wire feeding mechanism (25) and a straightening mechanism (23), the straightening mechanism (23) is movably arranged on the straightening frame (21) along a second direction, the straightening mechanism (23) comprises a plurality of straightening rollers (231) arranged at intervals along the second direction, the straightening rollers (231) extend along the first direction and the straightening rollers (231) are capable of rotating around their own axes, different straightening rollers (231) are used for straightening different steel bars, the wire feeding mechanism (25) is arranged on the straightening frame (21), and the wire feeding mechanism (25) is used for conveying steel bars to the straightening mechanism (23); A shearing device (3), the shearing device (3) being used to shear the straightened steel bars; a bending device (5) disposed downstream of the straightening device (2) along the first direction, the bending device (5) comprising a bending frame and a bending die detachably disposed on the bending frame, the bending die being used to bend the steel bar; A pushing device (4), the pushing device (4) is used to push the steel bar so that the steel bar is in a bending position preset by the bending device (5); The second direction is arranged at an angle to the first direction.

2. The straightening and bending machine according to claim 1, characterized in that: The pay-off device (1) further comprises a first wire guide mechanism (13), the first wire guide mechanism (13) being arranged in pairs with the pay-off frame (12), and the first wire guide mechanism (13) comprising: First pillar (131); A rotating frame (132), the rotating frame (132) being elastically connected to the first column (131) via an elastic component (138), a wire-passing mounting block (133) being rotatably provided on the rotating frame (132), and a wire-passing mounting plate (134) being rotatably provided on the wire-passing mounting block (133); A wire passing wheel (136) and a follower roller (139) are arranged on the wire passing mounting plate (134) in a rotational manner at intervals, and the steel bar can be passed between the wire passing wheel (136) and the follower roller (139).

3. The straightening and bending machine according to claim 1, characterized in that: The pay-off device (1) further comprises a second wire guide mechanism (15), the second wire guide mechanism (15) being arranged downstream of the pay-off frame (12) along the first direction, the second wire guide mechanism (15) comprising: A second column (151), wherein a wire box (152) is provided on the second column (151); Two long wire guide rollers (153), the two long wire guide rollers (153) are arranged in the wire box (152) to rotate at intervals; Two short guide wire rollers (154), the two short guide wire rollers (154) are arranged in the wire box (152) to rotate at intervals, and the short guide wire rollers (154) are perpendicular to the long guide wire roller (153); a mounting panel (155), wherein a plurality of the mounting panels (155) are provided, and the plurality of mounting panels (155) are spaced apart and arranged on a side of the wire box (152) away from the second column (151); A first wire guide wheel (156), a plurality of the first wire guide wheels (156) are rotatably installed between any two adjacent mounting panels (155), the plurality of first wire guide wheels (156) are spaced apart in the vertical direction, and the steel bars can be passed between adjacent first wire guide wheels (156).

4. The straightening and bending machine according to claim 1, characterized in that: The straightening device (2) further comprises a traction mechanism (22) and a conveying mechanism (24), wherein the conveying mechanism (24) comprises a movable frame (244) and a conveying drive member (241), wherein the movable frame (244) is movably arranged on the straightening frame (21) along the second direction, and the conveying drive member (241) is used to drive the movable frame (244) to move, and the traction mechanism (22) and the straightening mechanism (23) are both arranged on the movable frame (244), and the traction mechanism (22) comprises a plurality of traction assemblies (221) corresponding to each of the straightening rollers (231), and each of the traction assemblies (221) is used to pull the steel bars of different diameters into the straightening rollers (231).

5. The straightening and bending machine according to claim 1, characterized in that: The straightening roller (231) comprises a first straightening roller (231a), the first straightening roller (231a) comprising a roller body (2311) and a nozzle group, the roller body (2311) being open at both ends along the first direction, a plurality of nozzle groups being arranged in the roller body (2311) at intervals along the first direction, and adjacent nozzle groups being staggered along a direction perpendicular to the first direction, the nozzle group further comprising a nozzle (23121), a guide nozzle (23122) and a straightening clamp (23123). The nozzle (23121) is fixedly arranged in the roller body (2311), the guide nozzles (23122) are connected to the upstream side of the nozzle (23121) one by one, the inner wall surface of the guide nozzle (23122) is set to be a cone with an inner diameter gradually increasing from one side close to the nozzle (23121) to the other side, the straightening clamp (23123) is fixed in the nozzle (23121), and the straightening clamp (23123) is provided with a straightening hole for the steel bar to pass through.

6. The straightening and bending machine according to claim 1, characterized in that: The straightening roller (231) comprises a second straightening roller (231b), the second straightening roller (231b) comprises a roller body (2311) and a straightening wheel group, the roller body (2311) is open at both ends along the first direction, a plurality of straightening wheel groups are arranged in the roller body (2311) at intervals along the first direction, and at least some of the straightening wheel groups are staggered along a direction perpendicular to the first direction, and the straightening wheel group further comprises a straightening roller seat (23125). and a straightening roller (23124), the straightening roller seat (23125) being fixed in the roller body (2311), the straightening roller (23124) being rotatably arranged in the straightening roller seat (23125) via a straightening roller shaft (23126), a straightening hole being formed between the straightening roller (23124) and the straightening roller seat (23125), and the axial direction of the straightening roller shaft (23126) being arranged at an angle to the first direction.

7. The straightening and bending machine according to claim 1, characterized in that: The wire feeding mechanism (25) comprises a wire feeding seat (251), a wire feeding driving wheel (252), a wire feeding driven wheel (253), a wire feeding driving member (254), a second adjusting driving member (255) and a avoiding driving member (2510); the wire feeding driving wheel (252) and the wire feeding driven wheel (253) are arranged on the wire feeding seat (251) at intervals along the second direction; the wire feeding driving member (254) is connected to the wire feeding driving wheel (252) to drive the wire feeding driving wheel (252) to rotate; and the second adjusting driving member (255) is used to drive the wire feeding driven wheel (253) to approach or move away from the wire feeding driving wheel (252); The incoming wire seat (251) comprises an incoming wire frame (2511) and a avoidance plate (2512), wherein the incoming wire frame (2511) is fixed on the frame, and the avoidance plate (2512) is movably arranged on the incoming wire frame (2511) along a third direction, and the avoidance driving member (2510) is used to drive the avoidance plate (2512) to move, wherein the third direction is perpendicular to the first direction and the second direction.

8. The straightening and bending machine according to claim 1, characterized in that: The straightening device (2) further comprises a counting mechanism (28) arranged downstream of the straightening mechanism (23), the counting mechanism (28) comprising a counting driving wheel (281), a counting driven wheel (282), a third adjusting driving member (284), a fourth adjusting driving member (285) and an encoder (283), the third adjusting driving member (284) being used to drive the counting driving wheel (281) to move along a third direction, the fourth adjusting driving member (285) being used to drive the counting driven wheel (282) to move along the third direction, the counting driving wheel (281) and the counting driven wheel (282) being capable of clamping the steel bar, the encoder (283) being connected to the counting driving wheel (281), and the third direction being perpendicular to the first direction and the second direction.

9. The straightening and bending machine according to any one of claims 1 to 8, characterized in that: It also includes a straightening device (6), which is used to pre-straighten the steel bars entering the straightening device (2), and the straightening device (6) includes: A straightening fixing plate (61), wherein two straightening seats (62) are spaced apart on the straightening fixing plate (61), and a straightening cavity is provided through the straightening seat (62), the two straightening cavities are coaxially arranged, and part of the cavity wall of the straightening cavity faces the straightening fixing plate (61); a straightening drive member (63), the straightening drive member (63) being arranged on the straightening fixing plate (61), the output end of the straightening drive member (63) being provided with a plug (64), the straightening drive member (63) being capable of driving the plug (64) to move in a direction perpendicular to the straightening cavity so as to abut against or move away from the steel bar passing through the straightening cavity; A mobile vehicle (66), on which the straightening fixing plate (61) can be hung.

10. A method for processing steel bars, characterized in that: Based on the implementation of the straightening and bending machine according to any one of claims 1 to 9, the steel bar processing method comprises the following steps: Winding steel bars of various specifications onto a plurality of pay-off frames (12); Determine the required specifications of steel bars and start the corresponding pay-out frame (12); Pulling the steel bars into the wire feeding mechanism (25), and starting the wire feeding mechanism (25) to transport the steel bars; Adjusting the position of the straightening mechanism (23) so that the straightening roller (231) corresponding to the steel bar is aligned with the incoming material position of the feed mechanism (25), and rotating the straightening roller (231) to straighten the steel bar; Using the shearing device (3) to shear the steel bar, causing the steel bar to fall onto the bending device (5), and activating the pushing device (4) to push the steel bar, causing the steel bar to be in a bending position preset by the bending device (5); Starting the bending device (5) to bend the steel bar; Unload and collect the steel bars.

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