Steel bar cutting-off equipment for construction site construction

Abstract

The utility model relates to the technical field of reinforcing steel bar processing equipment, in particular to reinforcing steel bar cutting equipment for construction site construction, which comprises a bending unit arranged at the top of a bending lower frame assembly, an air source processor arranged at the bottom of one side of the bending lower frame assembly, and a power switch arranged at the top of the other side of the bending lower frame assembly. A straightening frame assembly is arranged on one side of the lower bending frame assembly, a straightening unit is arranged at the top of the straightening frame assembly and comprises a straightening workbench and a straightening mounting plate, the straightening mounting plate is fixedly arranged at the top of the straightening workbench, and a first auxiliary wheel is rotationally arranged on one side, close to the bottom end, of the straightening mounting plate. Universal wheels are fixedly arranged at the bottoms of the bending lower frame assembly and the straightening frame assembly, and a controller is fixedly arranged at the top of the front face of the bending lower frame assembly. The steel bar straightening device is good in straightening effect before cutting off steel bars, can be adjusted to adapt to the steel bars of different sizes, can automatically measure the required length during cutting, and is convenient and labor-saving to move in different construction environments.

Description

TECHNICAL FIELD

[0001] The utility model relates to a reinforcing steel bar processing equipment technical field especially relates to a reinforcing steel bar cutting equipment for construction site. BACKGROUND

[0002] Reinforcing steel bar is one of the basic materials of building engineering, and the construction of wall body and the pouring of various concrete slabs cannot do without the use of reinforcing steel bar, the existing reinforcing steel bar cutting equipment needs construction personnel to measure the length of reinforcing steel bar before cutting when cutting reinforcing steel bar in the building process, and the work efficiency is low, the reinforcing steel bar of different sizes and thicknesses cannot be straightened, and the equipment cannot be moved in different construction environments, therefore, a reinforcing steel bar cutting equipment for construction site is needed to solve the problems that the length of reinforcing steel bar needs to be measured by construction personnel before cutting when cutting reinforcing steel bar, the work efficiency is low, the reinforcing steel bar of different sizes and thicknesses cannot be straightened, and the equipment is inconvenient to move in different construction environments.

[0003] The Chinese patent with the publication number CN215508741U discloses a reinforcing steel bar cutting equipment for construction site, which comprises a box body one and a straightening frame, a work disc is rotatably arranged above the box body one, a central shaft is coaxially fixed on the work disc, a bending column is further arranged on the work disc and is parallel to the axial direction of the central shaft, a sliding frame and a supporting rod are further arranged above the box body one, a guide column is located between the two supporting rods, a box body two is fixed on the right side of the box body one, a first connecting pipe is connected to one end of the straightening frame close to the first support, a second connecting pipe is connected to the other end of the straightening frame close to the second support, and a belt motor is fixed in the box body two; the reinforcing steel bar can be straightened, the straightening efficiency is high, the operation is simple, and the application range is wider, the bending, cutting and straightening of the reinforcing steel bar are carried out on the same device, and the efficiency of reinforcing steel bar processing is greatly improved.

[0004] However, the above-mentioned patent needs manual measurement before cutting when cutting the reinforcing steel bar of a certain length, the reinforcing steel bar of different sizes and thicknesses cannot be straightened, and the equipment is inconvenient to move in different construction environments. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a reinforcing steel bar cutting equipment for construction site, which has good straightening effect before cutting the reinforcing steel bar, can adjust and adapt to reinforcing steel bars of different sizes and thicknesses, can automatically measure the required length during cutting, and is convenient and labor-saving to move the equipment in different construction environments.

[0006] To achieve the above object, the utility model discloses the technical scheme that a kind of steel bar cutting equipment for construction site is used, including bending lower frame assembly, bending unit is arranged on the top of bending lower frame assembly, air supply processor is arranged on the bottom of bending lower frame assembly left side, power switch is arranged on the top of bending lower frame assembly left side, straightening frame assembly is arranged on the side of bending lower frame assembly, straightening unit is arranged on the top of straightening frame assembly, universal wheel is fixedly arranged on the bottom of bending lower frame assembly and straightening frame assembly, controller is fixedly arranged on the top of the front of bending lower frame assembly;

[0007] Bending lower frame assembly includes bending lower frame, bending lower frame bottom is provided with bending lower frame bottom end sealing plate, bending lower frame right side is provided with bending lower frame right side sealing plate, bending lower frame left side is provided with bending lower frame left side sealing plate, air supply processor is fixedly arranged on the side of bending lower frame left side sealing plate near bottom end, air supply processor is pneumatically connected with cylinder on bending assembly respectively, power switch is fixedly arranged on the side of bending lower frame left side sealing plate near top end, power switch is electrically connected with air supply processor, driving motor and controller respectively, bending lower frame front is fixedly provided with bending lower frame front sealing plate, two frame doors are rotatably arranged on the back of bending lower frame, two hinges are fixedly arranged on the side of frame door, door handle is fixedly arranged on the side of frame door middle;

[0008] Further, straightening frame assembly includes straightening frame, straightening bottom end sealing plate is fixedly arranged on the bottom of straightening frame, straightening right sealing plate is fixedly arranged on the right side of straightening frame, straightening left sealing plate is fixedly arranged on the left side of straightening frame, two frame doors are rotatably arranged on the back of straightening frame, two hinges are fixedly arranged on the side of frame door, frame door is rotatably arranged on bending lower frame by hinge hinged, door handle is fixedly arranged on the side of frame door middle;

[0009] Straightening unit includes straightening workbench, rotation adjusting wheel, straightening workbench is fixedly arranged on the top of straightening frame, straightening mounting plate is fixedly arranged on the top of straightening workbench, auxiliary wheel one is rotatably arranged on the side of straightening mounting plate near bottom end, auxiliary sliding block is slidably arranged in the slot on the side of straightening mounting plate near top end, auxiliary wheel two is rotatably arranged in auxiliary sliding block middle, straightening fixed plate is fixedly arranged on the top of straightening mounting plate, a plurality of threaded holes are formed in straightening fixed plate, auxiliary sliding block is slidably arranged in the slot and rotates adjusting wheel is slidably arranged in threaded hole, driving motor is fixedly arranged on the back of straightening mounting plate, the output end of driving motor is fixedly connected with driving wheel, driving wheel and synchronous wheel are drivingly connected through synchronous belt, steel bar support block is fixedly arranged on the side of straightening mounting plate, hole is formed in steel bar support block middle.

[0010] Further, the bending unit comprises an upper die, an inner die and a cutting cylinder, the bending lower frame top is fixedly provided with a bending workbench, the bending workbench is fixedly provided with a die bottom plate, the middle of the die bottom plate is fixedly provided with the inner die, the bottom end of the bending workbench is fixedly provided with an upper die cylinder, the output end of the upper die cylinder is fixedly provided with a die fixing block, the other end of the die fixing block is fixedly provided with the upper die, the two sides of the upper die are respectively fixedly provided with an upper die guide rail one and an upper die guide rail two, recesses are formed in the opposite sides of the upper die guide rail one and the upper die guide rail two, the upper die is slidably connected in the recesses, the side of the upper die cylinder is fixedly provided with the cutting cylinder, the output end of the cutting cylinder is fixedly provided with a cutting module, the bending workbench is fixedly provided with a steel bar fixing block, a through hole is formed in the middle of the steel bar fixing block, a measuring device is embedded in the through hole, the side of the cutting module is fixedly provided with the steel bar fixing block, the bottom end of the surface of the bending workbench is respectively fixedly provided with a bending cylinder one and a bending cylinder two, the output ends of the bending cylinder one and the bending cylinder two are fixedly provided with die fixing blocks, one end of the die fixing block is fixedly provided with a bending grinding tool, the surface of the die bottom plate is symmetrically fixedly provided with two bending cylinder short guide rails and two bending cylinder long guide rails, recesses are formed in the inner sides of the bending cylinder short guide rails and the bending cylinder long guide rails.

[0011] Further, the air source processor comprises a filter, a pressure regulating valve, an oil atomizer, a pressure gauge, an air inlet, an air outlet and a connecting bracket, the bottom of the connecting bracket is fixedly arranged in the recess on the left side of the bottom end of the bending lower frame left side sealing plate, the two sides of the connecting bracket are respectively fixedly provided with the filter and the oil atomizer, the side of the oil atomizer is fixedly provided with the air inlet, the front of the filter is fixedly provided with the pressure gauge, the top of the filter is fixedly provided with the pressure regulating valve, and the other side of the filter is fixedly provided with the air outlet.

[0012] The utility model discloses a working principle and use principle lie in: when using the device, the staff first is fixed on the ground through the self -locking function of universal wheel self -locking, first controller control drive motor starts, and the rotation of drive motor output shaft drives the rotation of driving wheel, and the rotation of driving wheel drives the rotation of synchronous wheel on the back of straightening installation board through synchronous belt, and the rotation of synchronous wheel on the back of straightening installation board drives the rotation of synchronous wheel on the front of straightening installation board through auxiliary wheel no., at this moment, the one end of steel bar is passed from the cavity of steel bar support block, makes steel bar and is inserted between synchronous wheel and auxiliary wheel, and the rotation of synchronous wheel is transmitted and straightens the steel bar, and the steel bar passes through steel bar fixed block, and the inside fixed setting of steel bar fixed block has measurer, thereby the length of steel bar straightening is measured, and the data after measurement is transported to controller, and is analyzed through controller, when reaches the designated length, and controller control drive motor stops rotating and then is controlled by controller control air source processor control cut -off cylinder drives cutting module to cut, and the steel bar is clamped between inner mould and upper die after cutting, at this moment, controller control upper die cylinder drives upper die extrusion steel bar and completes first time bending, and then controller control bending cylinder no. One and bending cylinder no. Two drive bending die to carry out second time bending, and the steel bar is taken down after completing bending.

[0013] Compared with the prior art, the utility model has the advantages that: the device steel bar is straightened before cutting, and the straightening effect is good, can adjust and adapt to steel bars of different sizes and thicknesses, can automatically measure the length required during cutting, saves labor and reduces the consumption of steel bars during cutting, can disassemble the bolts according to the required bending shape to replace the mold, and the device is convenient and labor-saving to move in different construction environments. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is whole structure schematic view of the utility model embodiment;

[0015] Figure 2 It is explosion structure view of the bending lower frame assembly and bending unit of the utility model embodiment;

[0016] Figure 3 It is bending unit structure schematic view of the utility model embodiment;

[0017] Figure 4 It is A part enlarged schematic view of the utility model embodiment;

[0018] Figure 5 It is explosion structure view of the straightening unit and straightening frame assembly of the utility model embodiment;

[0019] Figure 6 It is B part enlarged schematic view of the utility model embodiment.

[0020] Explanation of reference signs: 1, bending lower frame assembly; 101, bending lower frame; 102, bending lower frame bottom sealing plate; 103, bending lower frame right side sealing plate; 104, bending lower frame front sealing plate; 105, frame door; 106, door handle; 107, hinge; 108, bending lower frame left side sealing plate; 2, bending unit; 201, upper die; 202, inner die; 203, cutting-off cylinder; 204, upper die cylinder; 205, bending cylinder one; 206, bending cylinder two; 207, die bottom plate; 208, upper die guide rail one; 209, upper die guide rail two; 210, die fixing block; 211, bending cylinder short guide rail; 212, bending cylinder long guide rail; 213, bending die; 214, steel bar fixing block; 215, cutting-off module; 216, bending workbench; 3, straightening unit; 301, straightening workbench; 302, straightening mounting plate; 303, auxiliary wheel one; 304, auxiliary wheel two; 305, auxiliary wheel sliding block; 306, straightening fixing plate; 307, rotating adjusting wheel; 308, driving wheel; 309, synchronous wheel; 310, synchronous belt; 311, driving motor; 312 steel bar support block; 4, straightening frame assembly; 401, straightening frame; 402, straightening bottom sealing plate; 403, straightening right sealing plate; 404, straightening left sealing plate; 405, straightening front sealing plate; 5, power switch; 6, gas source processor; 601, filter; 602, pressure regulating valve; 603, oil atomizer; 604, pressure gauge; 605, gas outlet; 606, gas inlet; 607, connecting bracket; 7, universal wheel; 8, controller; DETAILED DESCRIPTION

[0021] According to Figure 1 shown: a steel bar cutting-off equipment for construction site, comprising a bending lower frame assembly 1 provided with a bending unit 2 at the top, a gas source processor 6 provided at the bottom of the left side of the bending lower frame assembly 1, a power switch 5 provided at the top of the left side of the bending lower frame assembly 1, a straightening frame assembly 4 provided at one side of the bending lower frame assembly 1, a straightening unit 3 provided at the top of the straightening frame assembly 4, a universal wheel 7 fixedly provided at the bottom of the bending lower frame assembly 1 and the straightening frame assembly 4, and a controller 8 fixedly provided at the top of the front of the bending lower frame assembly 1.

[0022] In the specific implementation, the universal wheel 7 is fixedly installed at the bottom of the bending lower frame assembly 1 and the straightening frame assembly 4, the universal wheel 7 can be adopted in the DS20 series, the device is convenient to move, the device is fixed on the ground by using the self-locking function of the universal wheel 7, the power switch 5 is turned on, one end of the steel bar is inserted into the straightening unit, the controller 8 controls the straightening unit 3 to operate, the straightening unit 3 drives the steel bar to enter the bending unit 2, the measurer in the bending unit 2 transmits data to the controller 8 after measurement, the controller 8 controls the straightening unit 3 to stop operating, the air outlet 605 of the air source processor 6 controlled by the controller 8 transmits kinetic energy to each cylinder in the bending unit 2 through the air pipe, the bending unit 2 cuts the steel bar, and the bending unit 2 completes the bending of the shape of the steel bar under the control of the controller 8.

[0023] According to Figure 2 As shown in the figure: the bending lower frame assembly 1 comprises a bending lower frame 101, a bending lower frame bottom sealing plate 102, the bottom of the bending lower frame 101 is provided with the bending lower frame bottom sealing plate 102, the right side of the bending lower frame 101 is provided with a bending lower frame right side sealing plate 103, the left side of the bending lower frame 101 is provided with a bending lower frame left side sealing plate 108, a recess is formed at the bottom end of one side of the bending lower frame left side sealing plate 108, and an air source processor 6 is fixedly installed inside, a power switch 5 is fixedly arranged at the top end of one side of the bending lower frame left side sealing plate 108, a bending lower frame front sealing plate 104 is fixedly arranged at the front of the bending lower frame 101, two frame doors 105 are rotatably arranged at the back of the bending lower frame 101, two hinges 107 are fixedly arranged at one side of the frame door 105, the frame door 105 is hingedly rotatably arranged on the bending lower frame 101 through the hinges 107, and a door handle 106 is fixedly arranged at the middle of one side of the frame door 105.

[0024] In the specific implementation, the bottom of the bending lower frame 101 is provided with the bending lower frame bottom sealing plate 102, the right side of the bending lower frame 101 is provided with the bending lower frame right side sealing plate 103, the left side of the bending lower frame 101 is provided with the bending lower frame left side sealing plate 108, a recess is formed at the bottom end of one side of the bending lower frame left side sealing plate 108, and an air source processor 6 is fixedly installed inside, a power switch 5 is fixedly arranged at the top end of one side of the bending lower frame left side sealing plate 108, the controller 8 is electrically connected with the power switch 5 and the air source processor 6, the bending lower frame front sealing plate 104 is fixedly arranged at the front of the bending lower frame 101, the two frame doors 105 are rotatably arranged at the back of the bending lower frame 101, the two hinges 107 are fixedly arranged at one side of the frame door 105, the frame door 105 is hingedly rotatably arranged on the bending lower frame 101 through the hinges 107, the door handle 106 is fixedly arranged at the middle of one side of the frame door 105, and a compressor for providing the air source processor with an air source is installed in the bending lower frame assembly 1.

[0025] According to Figure 3 As shown in the figure: the bending unit 2 includes an upper die 201, an inner die 202, a cutting cylinder 203, a bending workbench 216 is fixedly arranged at the top of the bending lower frame 101, a die bottom plate 207 is fixedly arranged on the bending workbench 216, the inner die 202 is fixedly arranged in the middle of the die bottom plate 207 through bolts, an upper die cylinder 204 is fixedly installed at the bottom end of the bending workbench 216, a die fixing block 210 is fixedly arranged at the output end of the upper die cylinder 204, the upper die 201 is fixedly arranged at the other end of the die fixing block 210, an upper die guide rail one 208 and an upper die guide rail two 209 are fixedly arranged at both sides of the upper die 201, respectively, recesses are opened at the symmetrical sides of the upper die guide rail one 208 and the upper die guide rail two 209, the upper die 201 is slidably connected in the sliding groove, the cutting cylinder 203 is fixedly arranged at one side of the upper die cylinder 204, a cutting module 215 is fixedly arranged at the output end of the cutting cylinder 203, a reinforcing bar fixing block 214 is fixedly arranged on the bending workbench 216, a through hole is opened in the middle of the reinforcing bar fixing block 214, a measuring device is embedded in the through hole, the cutting module 215 is arranged in close contact with the reinforcing bar fixing block 214 at one side, a bending cylinder one 205 and a bending cylinder two 206 are fixedly installed at both sides of the bottom end of the surface of the bending workbench 216, respectively, the output ends of the bending cylinder one 205 and the bending cylinder two 206 are fixedly arranged with the die fixing block 210, the bending die 213 is fixedly arranged at one end of the die fixing block 210, two bending cylinder short guide rails 211 and two bending cylinder long guide rails 212 are fixedly arranged on the surface of the die bottom plate 207, recesses are opened in the inner sides of the bending cylinder short guide rail 211 and the bending cylinder long guide rail 212, the bending die 213 is slidably arranged in the recess

[0026] In the specific implementation, when the steel bar is inserted into the through hole of the steel bar fixing block 214, the embedded measuring device in the steel bar fixing block 214 detects the required steel bar length, and the controller 8 controls the straightening unit 3 to stop working. The detector can adopt E3ZG-LS series, which detects by setting the distance passed, and the controller 8 controls the cutting cylinder 203 to drive the cutting module 215 to be connected with the steel bar fixing block 214 downward, and completes the cutting work. After the cutting work is completed, the controller 8 controls the upper die cylinder 204 output end to drive the die fixing block 210, and the die fixing block 210 drives the upper die 201 to slide up and down in the recesses oppositely opened in the upper die guide rail one 208 and the upper die guide rail two 209. The first bending is completed by moving the upper die 201 downward and extruding the steel bar with the inner die 202. At this time, the controller 8 continues to control the bending cylinder one 205 and the bending cylinder two 206 to drive the die fixing block 210 on the output end, and the die fixing block 210 drives the two bending dies 213 to move left and right in the recesses opened in the bending cylinder short guide rail 211 and the bending cylinder long guide rail 212. The inner die 202 on the die bottom plate 207 is fixed by bolts, and the shape of the inner die 202 is replaced according to the required bending shape of the steel bar. The cutting cylinder 203, the upper die cylinder 204, the bending cylinder one 205 and the bending cylinder two 206 on the bending workbench 216 are electrically connected with the controller 8, and are pneumatically connected with the gas source processor 6. The controller 8 can adopt PLC series. Limiting elements are installed on the cylinders, and the signals of the limiting elements are collected into the PLC for logical operation according to the command of the buttons of the controller 8, so as to coordinate the work of each part in the control system.

[0027] According to Figure 4 As shown in the figure: the gas source processor 6 includes a filter 601 and a pressure regulating valve 602, and the connecting bracket 607 is fixedly arranged in the recess at the bottom of the left side sealing plate 108 of the bending lower frame. The connecting bracket 607 is fixedly provided with a filter 601 and an oil atomizer 603 on the two sides respectively. The oil atomizer 603 is fixedly provided with an air inlet 606 on one side. The filter 601 is fixedly provided with a pressure gauge 604 in front. The filter 601 is fixedly provided with a pressure regulating valve 602 on the top. The filter 601 is fixedly provided with an air inlet 606 on the other side.

[0028] In the specific implementation, the controller 8 controls the compressor inside the folding lower frame assembly 1 to work, provides the gas source from the air inlet 606 into the filter 601, and the gas pressure is unstable when the compressor works. The pressure regulating valve 602 can stabilize the gas source pressure, and the gas source can be kept in a constant state by observing the pressure gauge 604, which can reduce the damage to the valve or actuator and other hardware caused by the sudden change of the gas source pressure. The filter 601 is used for cleaning the gas source and can filter the moisture in the compressed air to prevent the moisture from entering the device with the gas. The filtered gas enters the oil atomizer 603, atomizes the lubricating oil, and then adds it to the compressed air to provide lubrication for the pneumatic components and prolong their service life. After the atomization is completed, the gas enters the air outlet 605 and reaches each cylinder through the gas pipeline to control the movement of the cylinder.

[0029] The gas in the oil atomizer 603 atomizes the lubricating oil and then adds it to the compressed air to provide lubrication for the pneumatic components. The gas enters the filter 601 through the connecting bracket 607. The filter 601 is used for filtering and removing condensed water to prevent the internal parts of the pneumatic system components from rusting. The front of the filter 601 is fixedly provided with a pressure gauge 604, which can detect whether the internal pressure of the pneumatic system meets the driving requirements of the pneumatic components. The pressure regulating valve 602 on the top of the filter 601 adjusts the high pressure to stable low pressure gas to ensure the normal operation of the equipment. The processed gas is output from the air inlet 606 and then provided to each pneumatic component for operation through the shunt of the gas pipe.

[0030] According to Figures 5-6As shown: straightening frame assembly 4 includes straightening frame 401 and straightening bottom seal plate 402, straightening frame 401 bottom fixedly provided with straightening bottom seal plate 402, straightening frame 401 right side fixedly provided with straightening right seal plate 403, straightening frame 401 left side fixedly provided with straightening left seal plate 404, straightening frame 401 back rotatably provided with two frame doors 105, one side of frame door 105 fixedly provided with two hinges 107, frame door 105 is hingedly rotatably arranged on the bent lower frame 101 through the hinge 107, and a door handle 106 is fixedly arranged on one side of the frame door 105; the straightening unit 3 includes a straightening workbench 301 and a rotating adjusting wheel 307, the straightening workbench 301 is fixedly arranged on the top of the straightening frame 401, the straightening mounting plate 302 is fixedly arranged on the top of the straightening workbench 301, the auxiliary wheel one 303 is rotatably arranged on one side of the straightening mounting plate 302 close to the bottom end, the auxiliary wheel sliding block 305 is slidably arranged in the sliding groove on one side of the straightening mounting plate 302 close to the top end, the auxiliary wheel two 304 is rotatably arranged in the auxiliary wheel sliding block 305, the straightening fixing plate 306 is fixedly arranged on the top of the straightening mounting plate 302, a plurality of threaded holes are formed in the straightening fixing plate 306, the auxiliary wheel sliding block 305 is slidably arranged in the sliding groove and slid up and down through the threaded holes, and the rotating adjusting wheel 307 is slidably arranged in the sliding groove and slid up and down through the threaded holes, the driving motor 311 is fixedly arranged on the back of the straightening mounting plate 302, the output end of the driving motor 311 is fixedly connected with the driving wheel 308, the driving wheel 308 is in transmission connection with the synchronous wheel 309 through the synchronous belt 310, and the reinforcing bar supporting block 312 is fixedly arranged on one side of the straightening mounting plate 302.

[0031] In specific implementation, the straightening frame 401 is provided with universal wheels 7 at the bottom, the straightening front seal plate 405 is fixedly arranged on the front of the straightening frame 401, the straightening left seal plate 404 is fixedly arranged on the left side, the straightening right seal plate 403 is fixedly arranged on the right side, the straightening bottom seal plate 402 is fixedly arranged on the bottom, the two frame doors 105 are rotatably fixed on the back of the straightening frame 401 through the hinges 107, the door handle 106 is fixedly arranged on one side of the frame door 105, the straightening workbench 301 is fixedly arranged on the top of the straightening frame 401, the straightening mounting plate 302 is fixedly arranged on the top of the straightening workbench 301, the rotating adjusting wheel 307 is rotated, the threads on the shaft of the rotating adjusting wheel 307 are matched with the threaded holes in the straightening mounting plate 302, the auxiliary wheel sliding block 305 is moved up and down to adjust the gap distance between the auxiliary wheel one 303 and the auxiliary wheel two 304, the reinforcing bar is inserted into the reinforcing bar supporting block 312, the driving wheel 308 is driven to rotate by the rotation of the output shaft of the driving motor 311, the synchronous wheel 309 is driven to rotate by the driving wheel 308 through the synchronous belt 310, the auxiliary wheel one 303 at the other end is driven to rotate by the synchronous wheel 309, the reinforcing bar is inserted between the auxiliary wheel one 303 and the auxiliary wheel two 304, and the reinforcing bar is straightened by the rotation of the one row of auxiliary wheel one 303 close to the bottom end and the one row of auxiliary wheel two 304 close to the top end on one side of the straightening mounting plate 302.

Claims

1. A reinforcing bar cutting apparatus for use in construction sites, comprising a bent lower frame assembly (1), characterized in that: The top of the bending lower frame assembly (1) is provided with a bending unit (2), the bottom of one side of the bending lower frame assembly (1) is provided with an air source processor (6), the top of the other side of the bending lower frame assembly (1) is provided with a power switch (5), one side of the bending lower frame assembly (1) is provided with a straightening frame assembly (4), the top of the straightening frame assembly (4) is provided with a straightening unit (3), the bottom of the bending lower frame assembly (1) and the straightening frame assembly (4) are fixedly provided with universal wheels (8), and the top of the front of the bending lower frame assembly (1) is fixedly provided with a controller (9); The bending lower frame assembly (1) comprises a bending lower frame (101), the bottom of the bending lower frame (101) is provided with a bending lower frame bottom sealing plate (102), the right side of the bending lower frame (101) is provided with a bending lower frame right sealing plate (103), the left side of the bending lower frame (101) is provided with a bending lower frame left sealing plate (108), the air source processor (6) is fixedly arranged on one side of the bending lower frame left sealing plate (108) close to the bottom end, the air source processor (6) is pneumatically connected with the air cylinder on the bending unit (2), the power switch (5) is fixedly arranged on one side of the bending lower frame left sealing plate (108) at the top end, and the power switch (5) is electrically connected with the air source processor (6), the driving motor (311) and the controller (9); the front of the bending lower frame (101) is fixedly provided with a bending lower frame front sealing plate (104), and the back of the bending lower frame (101) is rotatably provided with two frame doors (105); one side of the frame door (105) is fixedly provided with two hinges (107), and one side of the frame door (105) is fixedly provided with a door handle (106); The straightening frame assembly (4) comprises a straightening frame (401), the bottom of the straightening frame (401) is fixedly provided with a straightening bottom sealing plate (402), the right side of the straightening frame (401) is fixedly provided with a straightening right sealing plate (403), the left side of the straightening frame (401) is fixedly provided with a straightening left sealing plate (404), and the back of the straightening frame (401) is rotatably provided with two frame doors (105); one side of the frame door (105) is fixedly provided with two hinges (107), the frame door (105) is rotatably arranged on the bending lower frame (101) through the hinges (107), and one side of the frame door (105) is fixedly provided with a door handle (106); The straightening unit (3) comprises a straightening workbench (301), a rotary adjusting wheel (307), a straightening frame (401), a straightening mounting plate (302), an auxiliary wheel (303), an auxiliary sliding block (305), an auxiliary wheel (304), a straightening fixing plate (306), a plurality of threaded holes, a rotary adjusting wheel (307), a driving motor (311), a driving wheel (308), a synchronous wheel (309), a synchronous belt (310), a reinforcing bar supporting block (312) and a hole.

2. The reinforcing bar cutting apparatus for a construction site according to claim 1, characterized by: The bending unit (2) comprises an upper die (201), an inner die (202) and a cutting cylinder (203), the bending lower frame (101) is provided with a bending workbench (216) fixed at the top, the bending workbench (216) is provided with a die bottom plate (207) fixedly arranged thereon, the inner die (202) is fixedly arranged in the middle of the die bottom plate (207), the upper die cylinder (204) is fixedly installed at the bottom end of the bending workbench (216), the die fixing block (210) is fixedly arranged at the output end of the upper die cylinder (204), the upper die (201) is fixedly arranged at the other end of the die fixing block (210), the upper die guide rail one (208) and the upper die guide rail two (209) are fixedly arranged on the two sides of the upper die (201), respectively, and the recesses are formed in the opposite sides of the upper die guide rail one (208) and the upper die guide rail two (209), the upper die (201) is slidably connected in the recesses, the cutting cylinder (203) is fixedly arranged at one side of the upper die cylinder (204), the cutting module (215) is fixedly arranged at the output end of the cutting cylinder (203), the steel bar fixing block (214) is fixedly arranged on the bending workbench (216), the through hole is formed in the middle of the steel bar fixing block (214), the measuring device is embedded in the through hole, the cutting module (215) is arranged in abutment with the steel bar fixing block (214), the bending cylinder one (205) and the bending cylinder two (206) are fixedly installed on the both sides of the bottom end of the surface of the bending workbench (216), respectively, the die fixing block (210) is fixedly arranged at the output end of the bending cylinder one (205) and the bending cylinder two (206), the bending grinding tool (213) is fixedly arranged at one end of the die fixing block (210), the two bending cylinder short guide rails (211) and the two bending cylinder long guide rails (212) are fixedly arranged on the surface of the die bottom plate (207) in a symmetrical manner, and the recesses are formed in the inner sides of the bending cylinder short guide rails (211) and the bending cylinder long guide rails (212).

3. The reinforcing bar cutting apparatus for a construction site according to claim 1, characterized by: The air source processor (6) comprises a filter (601), the connecting support (607) is fixedly arranged in the recess at the bottom of the left side sealing plate (108) of the bending lower frame, the filter (601) and the oil atomizer (603) are fixedly arranged on the both sides of the connecting support (607), respectively, the filter (601) and the oil atomizer (603) are fixedly connected through the connecting support (607), the air outlet (605) is fixedly arranged at one side of the oil atomizer (603), the pressure gauge (604) is fixedly arranged on the front face of the filter (601), the pressure regulating valve (602) is fixedly arranged on the top of the filter (601), and the air inlet (606) is fixedly arranged on the other side of the filter (601).

4. The reinforcing bar cutting apparatus for a construction site according to claim 2, characterized by: The air source processor (6) comprises a filter (601), the connecting support (607) is fixedly arranged in the groove at the bottom of the left side sealing plate (108) of the bent lower frame, the filter (601) and the oil atomizer (603) are fixedly arranged on the two sides of the connecting support (607) respectively, the filter (601) and the oil atomizer (603) are fixedly connected through the connecting support (607), the air outlet (605) is fixedly arranged on one side of the oil atomizer (603), the pressure gauge (604) is fixedly arranged on the front of the filter (601), the pressure regulating valve (602) is fixedly arranged on the top of the filter (601), and the air inlet (606) is fixedly arranged on the other side of the filter (601).

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