Automatic loading and unloading device for bars

Abstract

The present invention specifically relates to a novel automatic loading and unloading device for bars, belongs to the technical field of round rolled material production and manufacturing, and aims to solve the problem of providing a novel automatic loading and unloading device for bars, and adopts the scheme as follows: a front pinch roller is arranged at the front end of a steel bar flaw detection device, and a rear pinch roller is arranged at the rear end of the steel bar flaw detection device; a rotating feeding mechanism is arranged on one side of the front pinch roller, and a feeding platform is arranged obliquely on the side of the rotating feeding mechanism away from the front pinch roller, a material blocking device is connected to the feeding platform, and a material lifting device is arranged below the material blocking device; a finished product sling material frame is arranged on one side of the rear pinch roller, and a waste opening and closing sling material frame and a waste collecting sling material frame respectively used for holding internally damaged and externally damaged bars are arranged in parallel on the other side of the rear pinch roller, and a material shifting mechanism for packing the bars is arranged at the rear pinch roller; the present invention realizes automatic loading and unloading of bars and improves the degree of automation.

Description

Technical Field

[0001] The invention belongs to the technical field of round rolled material production and manufacturing, and specifically relates to a novel automatic loading and unloading device for bars. Background Art

[0002] The working characteristics of loading and unloading bars during flaw detection in workshops are: operators manually load and unload bars, which has the following disadvantages: high production cost, long loading and unloading time, low degree of automation, high labor intensity, low work efficiency, and high processing noise.

[0003] At present, some units use robots alone to clamp materials, but they need to take down the processed materials first, and then grab the materials to be processed and place them in the processing position. The equipment needs to wait for a certain time during loading and unloading, and the processing efficiency cannot be effectively improved. In addition, the price of robots is relatively high. Summary of the invention

[0004] The present invention overcomes the shortcomings of the prior art and provides a novel automatic loading and unloading device for bar materials, which realizes automatic and rapid loading and unloading of material bars, improves the degree of automation, and reduces the labor intensity of workers.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a new type of automatic loading and unloading device for bars, including: a loading platform, a material blocking device, a material pushing device, a rotating loading mechanism, a front pinch roller, a rear pinch roller, a pressure roller assembly, a material shifting mechanism, a finished product sling material frame, a waste opening and closing sling material frame and a waste collection sling material frame, the front pinch roller is arranged at the front end of the steel bar flaw detection equipment to convey the bar material to the steel bar flaw detection equipment, the rear pinch roller is arranged at the rear end of the steel bar flaw detection equipment to receive the bar material output by the steel bar flaw detection equipment, and a pressure roller assembly is arranged above the front pinch roller and the rear pinch roller;

[0006] The rotating feeding mechanism is arranged on one side of the front pinching roller, and the rotating feeding mechanism is used to place the bar material on the conveying roller of the front pinching roller horizontally and stably at all times; the feeding platform is inclinedly arranged on the side of the rotating feeding mechanism away from the front pinching roller, and the feeding platform is inclined toward the rotating feeding mechanism; the feeding platform is connected with the blocking device for separating the bar materials of different diameters; the pushing device is arranged below the blocking device, and the pushing device is connected to the feeding platform, and the pushing device is used to spread out the bar materials stacked on each other and push the bar materials one by one onto the rear platform;

[0007] The finished product sling material frame for holding undamaged bars is arranged on one side of the rear pinch roller, and the waste opening and closing sling material frame and the waste collection sling material frame for holding internally damaged and externally damaged bars are arranged in parallel on the other side of the rear pinch roller. The rear pinch roller is provided with the material shifting mechanism for packing bars, and the material shifting mechanism is used to shift the damaged or undamaged bars to the corresponding side of the rear pinch roller. That is, the undamaged bars are shifted to one side of the finished product sling material frame, and the damaged bars are shifted to the other side of the rear pinch roller.

[0008] The feeding platform comprises a plurality of strip-shaped platforms arranged in parallel, wherein the strip-shaped platforms are arranged perpendicular to the direction in which the front pinch rollers convey the bar materials, and the strip-shaped platforms are arranged inclined toward the direction of the front pinch rollers.

[0009] The material blocking device comprises: a material blocking block, a driving shaft and a rotating driving member, wherein there are multiple material blocking blocks, and the number of the material blocking blocks corresponds to the number of the strip racks one by one, a material blocking block is arranged on one side of the upper part of each strip rack, the lower end surface of the material blocking block is connected to a vertically arranged driving shaft, the driving shafts are connected to the feeding rack, and the driving shafts can rotate relative to the feeding rack, the lower end of the driving shaft is connected to the rotating driving member, and the rotating driving member is used to drive the multiple driving shafts to rotate synchronously and reciprocatingly;

[0010] The material stopper block comprises: a long side, a short side and an arc side, and the long side, the short side and the arc side are connected end to end in sequence to enclose the material stopper block, that is, the material stopper block is a quarter elliptical structure, and the driving shaft is fixed to the connection between the long side and the short side;

[0011] The rotating driving member includes: a rotating arm A, a rocker arm and a rocker arm swing driving member, the rocker arm is horizontally arranged below the loading platform, the rocker arm is perpendicular to the strip platform, one end of the rocker arm is connected to the rocker arm swing driving member for driving the rocker arm to swing back and forth horizontally, there are multiple rotating arms A, and the number of the rotating arms A is consistent with the number of the driving shafts, the lower end of the driving shaft is connected to a horizontally arranged rotating arm A, one end of the rotating arm A is fixed to the driving shaft, and the other end of the rotating arm A is hinged to the rocker arm, when the rocker arm swings back and forth horizontally, the driving shaft is driven to reciprocate, thereby driving the blocking block to rotate, the blocking position of the blocking block is different during the rotation process, thereby adjusting the relative position of the rod material and the top plate of the ejecting device, so that the top plate of the ejecting device lifts up a single rod material each time;

[0012] The rocker arm swing driving component includes: a handle, a rocker arm A, a rotating arm B and a reducer. One end of the rocker arm is hinged to one end of the horizontally arranged rotating arm B, the other end of the rotating arm B is fixed to the output end of the reducer, one end of the rocker arm A is fixed to the input end of the reducer, and the other end of the rocker arm A is connected to the handle.

[0013] A material lifting device is arranged below the blocking block, and the material lifting device comprises: a guide rod cylinder, a bracket A and a top plate, and the top plate is arranged below the blocking block, and the top plate is a vertically arranged plate-like structure, and the length extension direction of the top plate is parallel to the strip platform, the upper end surface of the top plate adopts an inclined surface structure inclined toward the direction of the front clamping roller, and the end of the top plate close to the front clamping roller is provided with an upwardly protruding material blocking hook, the top plate is adapted to the position of the blocking block, and the rotation of the blocking block is adjusted, and the position of the blocking material is adapted to the distance from the end on the same side of the top plate and the diameter of the rod to be lifted, so that a single rod is lifted at a time to disperse the rods stacked on each other, and the bracket A is fixed below the top plate, and the lower side of the bracket A is fixed to the upper end of the piston rod of the guide rod cylinder, and the cylinder body of the guide rod cylinder is fixed to the feeding platform.

[0014] The loading platform, the material blocking device and the material pushing device cooperate to form a bulk material device.

[0015] The rotary feeding mechanism is designed according to the Wheatstone Pinto principle, and comprises: a reduction motor A, a motor base A, a rotating shaft A, a support seat A, a V-shaped support, a swing arm and a Pinto control member, wherein the rotating shaft A is horizontally arranged between the front pinch roller and the feeding platform, and the rotating shaft A is parallel to the direction in which the front pinch roller conveys the bar material, one end of the rotating shaft A is connected to the output shaft of the reduction motor A through a coupling, the motor base A is fixed below the reduction motor A, and the rotating shaft A is not A plurality of the support seats A are arranged in a row, and the rotating shaft A is connected to the support seat A with a bearing, and a plurality of swing arms perpendicular to the rotating shaft A are evenly arranged on the rotating shaft A, and the length of the swing arm is adapted to the distance between the rotating shaft A and the ejecting device and the front pinching roller, and the swing arm is used to transfer the bar material on the ejecting device to the front pinching roller, and one end of the swing arm is fixed to the rotating shaft A, and the other end of the swing arm is connected to a V-shaped support, and the V-shaped support is provided with a flat support control member for controlling its V-shaped mouth to face upward;

[0016] The flat support control component includes: a fixed sprocket, a tensioning sprocket, a tensioning sprocket shaft, a transmission sprocket, a transmission sprocket shaft and a transmission chain, wherein the transmission sprocket shaft is arranged in parallel with the rotating axis A, the transmission sprocket shaft passes through the end of the swing arm away from the rotating axis A, and the transmission sprocket shaft can rotate relative to the swing arm, the lower end of the V-shaped support is fixed to one end of the transmission sprocket shaft, and the other end of the transmission sprocket shaft is coaxially fixed with the transmission sprocket, the fixed sprocket is coaxially sleeved on the rotating axis A, and the rotating axis A can rotate relative to the fixed sprocket, and the fixed The fixed sprocket is fixed relative to the support seat A, the tensioning sprocket is arranged between the fixed sprocket and the transmission sprocket, and the axial center lines of the fixed sprocket, the tensioning sprocket and the transmission sprocket are located in the same plane, the tensioning sprocket is coaxially connected to one end of the tensioning sprocket shaft, and the tensioning sprocket can rotate relative to the tensioning sprocket shaft, the other end of the tensioning sprocket shaft is fixed to the swing arm, and an annular transmission chain is sleeved between the fixed sprocket and the transmission sprocket, and the tensioning sprocket is used to tighten the transmission chain so as to tighten the transmission chain. When the rotating shaft A rotates, the swing arm follows the rotating shaft A to make a circular motion, and the V-shaped support is controlled by the flat support control component, and its V-shaped mouth faces upward to lift the bar to be transferred. The swing arm completes a circular motion and transfers a bar from the upper end of the lifting device to the front clamping roller.

[0017] The front pinch roller and the rear pinch roller each include a plurality of pinch roller components, which are sequentially arranged along the bar conveying direction, and the pinch roller components include: a V-shaped roller, a support seat B, a reduction motor B and a rotating shaft B, the rotating shaft B is horizontally arranged above the support seat B, the rotating shaft B is arranged perpendicular to the bar conveying direction, the rotating shaft B is connected to the bearing of the support seat B, the V-shaped roller is coaxially fixed with the rotating shaft B, one end of the rotating shaft B is connected to the output shaft of the reduction motor B through a coupling, and the reduction motor B is fixed relative to the support seat B. When the reduction motor B is started, the V-shaped roller rotates, and the bar placed above the V-shaped roller moves forward due to friction;

[0018] The ends of the front pinch roller and the rear pinch roller facing away from the steel bar flaw detection equipment are fixed with protective baffles, and the upper end surface height of the baffle is higher than the height of the pinch roller component to prevent the bar from slipping off the pinch roller component.

[0019] A pressure roller assembly is arranged above the two pinch roller components close to the steel bar flaw detection equipment, and the pressure roller assembly includes: a bracket C, an elevator, a pressure roller cylinder, a pressure roller shaft and a roller. The pressure roller cylinder is axially and vertically arranged above the V-shaped roller, the bracket C is fixed above the support seat B, the elevator is connected to the bracket C, the elevator is used to drive the cylinder body of the pressure roller cylinder to move up and down, the lower end of the piston rod of the pressure roller cylinder is connected to the horizontally arranged pressure roller shaft, the pressure roller shaft can rotate relative to the piston rod of the pressure roller cylinder, the pressure roller shaft is parallel to the rotating shaft B, the roller is coaxially fixedly sleeved on the pressure roller shaft, and the roller cooperates with the V-shaped roller to clamp and convey bars of different specifications and diameters;

[0020] The pressure roller assembly also includes: an auxiliary bracket, a fixed sleeve, a guide rod, a connecting plate and a pressure roller shaft bracket, the auxiliary bracket is fixed to the cylinder body of the pressure roller cylinder, the upper end of the fixed sleeve arranged axially and vertically is fixed to the auxiliary bracket, the upper end of the guide rod is coaxially sleeved inside the fixed sleeve, and the guide rod can reciprocate up and down relative to the fixed sleeve, the lower end of the guide rod is fixed to the connecting plate, and the connecting plate is fixed to the lower end of the piston rod of the pressure roller cylinder, the provision of the guide rod can increase the stability and firmness of the pressure roller assembly, the pressure roller shaft bracket is fixed to the connecting plate, and the end of the pressure roller shaft is connected to the bearing of the pressure roller shaft bracket;

[0021] The lift includes: a motor C, a screw rod, a rotating shaft C and a driving gear. The lower end of the vertically arranged screw rod is connected to the upper end of the cylinder body of the roller cylinder, and the screw rod can rotate relative to the cylinder body of the roller cylinder. The lower end of the screw rod is connected to the bearing at the upper end of the cylinder body of the roller cylinder. The screw rod passes through the bracket C, and the screw rod is threadedly connected to the bracket C. The driving gear is axially horizontally arranged on one side of the screw rod, and the driving gear is meshed with the screw rod. The driving gear is used to drive the screw rod to rotate. The driving gear is coaxially fixed with the rotating shaft C. The rotating shaft C is connected to the output shaft of the motor C through a coupling, and the motor C is fixed to the bracket C.

[0022] The driving gear is provided with a housing for protection outside, and the housing is fixed to the bracket C. The height of the pressing roller cylinder is adjusted by a lifter to adapt to the bar materials of different diameters, and the piston rod of the pressing roller cylinder is extended and retracted to press the bar materials.

[0023] There are two material-pickup mechanisms, which are arranged side by side and are respectively arranged on both sides of the V-shaped roller of the rear pinch roller. The material-pickup mechanisms each include: a reduction motor D, a pusher claw, a rotating shaft D, a support seat D and a motor base D. The rotating shaft D is arranged parallel to the direction in which the rear pinch roller conveys the rod material. A plurality of support seats D are arranged side by side below the rotating shaft D. The rotating shaft D can rotate relative to the support seat D. The rotating shaft D is connected to the support seat D through a seat bearing. One end of D is connected to the output shaft of the reduction motor D through a coupling, the reduction motor D is fixed to the motor base D, a plurality of pusher claws are evenly arranged on the rotating shaft D, the pusher claws adopt an equilateral triangle plate structure, the pusher claws are coaxially fixed to the rotating shaft D, and a pusher hook is fixed on each of the three corners of the pusher claws, and the pusher hook at the V-shaped roller facing the rear pinch roller can push the bar material on the rear pinch roller to the V-shaped roller separated from the rear pinch roller, and the pusher hooks of the two pusher mechanisms are arranged in a mirror structure;

[0024] The three sides of the pusher claw all adopt an inwardly concave arc structure.

[0025] The finished product sling material frame, the waste opening and closing sling material frame and the waste collecting sling material frame all include: a material frame E and a sling buffer component, the material frame E is a U-shaped structure, there are multiple material frames E, multiple material frames E are arranged side by side, and a sling buffer component is arranged on the side of each material frame E;

[0026] The sling buffer component includes: a sling E, a steering rod 1, a steering rod 2, a steering rod 3, a fixed rod and a winding control component. The steering rod 1, the steering rod 2, the steering rod 3 and the fixed rod are horizontally fixed on the same side of the material frame E, and the steering rod 1, the steering rod 2, the steering rod 3 and the fixed rod are respectively located at the four corners of the EU-shaped structure of the material frame. The steering rod 2 and the steering rod 1 arranged on the same side and up and down are coaxially connected with pulleys. The steering rod 3 and the fixed rod are arranged up and down relative to the steering rod 2 and the steering rod 1. One end of the sling E is fixed to the fixed rod, and the other end of the sling E is wound around the fixed rod in sequence. Through the steering rod three, the upper pulley of the steering rod two and the upper pulley of the steering rod one, the other end of the sling E is connected with the winding control component for adjusting the length of the sling E, and the sling E between the steering rod two and the steering rod three is used to receive the bar material; the sling E between the steering rod two and the steering rod three is located at the upper part of the opening of the material frame E, and the bar material falls onto the top of the sling E when falling. The sling E has elasticity and can buffer the bar material, and the bar material does not directly fall into the bottom of the material frame E, thereby reducing the noise generated by the height difference of the bar material, avoiding the damage of the bar material due to the height difference, and effectively ensuring the product quality;

[0027] The winding control component includes: a reduction motor E, a rotating shaft E and a winding wheel. The rotating shaft E is horizontally arranged on a side of the material frame E close to the steering rod 1, and the rotating shaft E is arranged parallel to the direction in which the rear pinch roller conveys the rod material. The rotating shaft E is connected to a plurality of material frames E arranged side by side and at intervals. The rotating shaft E can rotate relative to the material frame E. The rotating shaft E is connected to the material frame E bearing. One end of the rotating shaft E is connected to the output shaft of the reduction motor E through a coupling. The reduction motor E is fixed relative to the material frame E. There are multiple winding wheels. A plurality of winding wheels are coaxially sleeved and fixed with the rotating shaft E at intervals, and the winding wheels correspond to the slings E one by one, and each sling E can be wound onto the corresponding winding wheel; when the sling E receives the bar material, as the number of bar materials increases, the rotating shaft E rotates to drive the winding wheel to release the rope, and when the sling E coincides with the bottom of the material frame E, the collected bar materials are taken out, and the winding wheel starts to wind up, shortening the length of the unwinding part of the sling E, so that the sling E between the second turning rod and the third turning rod is located at the upper part of the open part of the material frame E for cyclically receiving the bar materials;

[0028] A pad is fixed at the bottom of the material frame E, and the pad is used to further reduce the impact caused by the falling of the bar.

[0029] A guide arm E is provided on each material frame E of the finished product sling material frame and the scrap opening and closing sling material frame. The guide arm E is fixed to the upper end of the material frame E on one side facing the rear pinch roller. The guide arm E is used to receive the bar material of the previous process. The guide arm E is inclined toward the material frame E. For example, the guide arm E on the finished product sling material frame, when the bar material is pushed away from the rear pinch roller by the pusher claw of the material pushing mechanism, the pusher claw rotates with the rotating shaft D, and the bar material slides downward along the arc edge of the pusher claw due to gravity. The guide arm E is set on the trajectory of the bar material sliding down to receive the bar material;

[0030] The scrap opening and closing sling material frame is also provided with: a rotating shaft F, a bridge arm and an opening and closing driving member, the rotating shaft F is arranged in parallel with the rotating shaft E, the rotating shaft F is connected to the upper end of the material frame E of the scrap opening and closing sling material frame away from the rear pinch roller, the rotating shaft F can rotate relative to the material frame E, the rotating shaft F is connected to the material frame E through a bearing seat, the opening and closing driving member for driving the rotating shaft F to rotate is connected to the rotating shaft F, a plurality of bridge arms perpendicular to the rotating shaft F are fixed at intervals on the rotating shaft F, the bridge arms are used to cover the upper opening of the material frame E of the scrap opening and closing sling material frame so that the rod material crosses the scrap opening and closing sling material frame into the scrap collection sling material frame or is used to open the upper opening of the material frame E of the scrap opening and closing sling material frame so that the rod material enters the scrap collection sling material frame Opening and closing the sling material frame; when the bridge arm is used to cover the upper opening of the material frame E of the waste opening and closing sling material frame so that the rod material crosses the waste opening and closing sling material frame and enters the waste collection sling material frame, the bridge arm is parallel to the downward extension trajectory of the guide arm E of the waste opening and closing sling material frame, so that the rod material sliding down from the guide arm E enters the top of the bridge arm and further slides into the waste collection sling material frame. When the bridge arm is used to open the upper opening of the material frame E of the waste opening and closing sling material frame so that the rod material enters the waste opening and closing sling material frame, the bridge arm is lifted toward one end of the rear pinch roller, so that the rod material sliding down from the guide arm E of the waste opening and closing sling material frame directly enters the waste opening and closing sling material frame, and the rotating shaft F is driven to rotate by the opening and closing driving member to adjust the state of the bridge arm;

[0031] The opening and closing driving member includes: a push arm, a cylinder F and a cylinder base F, one end of the push arm is fixed to the rotating shaft F, the other end of the push arm is hinged to the piston rod end of the cylinder F, the cylinder body of the cylinder F is hinged to the cylinder base F, and the cylinder base F is fixed relative to the material frame E.

[0032] The automatic loading and unloading device for bars can handle bars of different diameters. For example, as shown in the enlarged figure F, when processing bar A with a smaller diameter, the stop block is rotated so that the horizontal distance a from the end of the stop block contacting bar A to the end of the top plate of the ejecting device away from the front pinch roller is similar to the diameter of bar A, that is, it can be ensured that the bar A lifted up at a single time is a single bar. Similarly, when processing bar B with a larger diameter, the stop block is rotated so that the horizontal distance b from the end of the stop block contacting bar B to the end of the top plate of the ejecting device away from the front pinch roller is similar to the diameter of bar B, that is, it can be ensured that the bar B lifted up at a single time is a single bar.

[0033] The electrical control system includes a full set of electrical control hardware such as sensors, PLC, inverter, button, emergency stop switch, motor, pneumatic valve, etc. The whole set of sensors uses M8 plug and quick connection method (including magnetic switch). Connection cable: FESTO PVR cable, FESTO PVC cable.

[0034] The electrical control system completes the operation control of the flaw detection equipment. The PLC adopts Siemens. The electric control switches, contactors, relays, etc. adopt Schneider products. The frequency converter adopts Siemens products.

[0035] The distance between electrical components in the electric control cabinet is ≥50mm (except small relays). Any component in the electric control cabinet has a three-dimensional space that can be easily inspected and maintained (including PLC), and all incoming lines should have appropriate margins (after installation).

[0036] All wire joints must be clearly marked with wire numbers and crimped securely.

[0037] The whole control system is designed with STEP7 software, which is reasonable and standardized, with high automation and meets the control specification requirements. The PLC program includes all equipment control programs. There are menu displays and related parameter settings. Each PLC module reserves 10% of I / O points.

[0038] Serial number Detection element quantity Remark 1 Material proximity switch on loading platform 1 2 Flip cylinder position detection proximity switch 2 3 Transition stand with material proximity switch 1 4 Rotary feeding mechanism V-type support position detection proximity switch 1 5 Proximity switch for detecting material on roller table before flaw detection 1 6 Proximity switch for detecting material on roller after flaw detection 1 7 Star-shaped material position detection proximity switch 2 8 Opening and closing basket cylinder position detection proximity switch 2 9 Basket sling winding proximity switch 6 10 Absolute encoder for adjusting the height position of the pressure roller (PN interface) 2 Motor built-in

[0039] The control system effectively controls the ejection speed of the ejection device, the feeding speed of the rotary feeding mechanism, the height of the lifter of the pressure roller assembly, the processing results and processing analysis of the steel bar flaw detection equipment, and the two side-by-side material shifting mechanisms, which start or not according to the signal of the flaw detection of the bar material, and classify the bar materials to different directions. The cylinder F controls the state of the bridge arm according to the internal and external injuries of the bar material, and classifies and places the bar materials with internal and external injuries.

[0040] The roller conveyor speed can be increased to 2 meters per second within 2 seconds. The speed is continuously adjustable and controlled by a frequency converter. The production rhythm is 15 seconds per piece.

[0041] A control system can be designed by those skilled in the art according to conventional techniques and no detailed introduction is given.

[0042] Compared with the prior art, the present invention has the following beneficial effects.

[0043] 1. The present invention arranges a loading platform, a material blocking device, a material pushing device, a rotating loading mechanism, a front pinch roller, and a rear pinch roller at the front end of the steel bar flaw detection equipment, and arranges a material shifting mechanism, a finished product sling material frame, a waste opening and closing sling material frame, and a waste collection sling material frame at the rear end of the steel bar flaw detection equipment, so as to realize automatic loading and unloading of material bars, improve the degree of automation, and reduce the labor intensity of workers.

[0044] 2. The present invention provides a pressure roller assembly above two pinch roller components close to the steel bar flaw detection device, so that the bar material can smoothly enter and exit the steel bar flaw detection device, thereby improving the stability of the production process.

[0045] 3. The present invention effectively separates bars of different diameters by providing matching material blocking devices and material pushing devices, so that bars of different diameters can be dispersed individually, which is convenient for loading and improves work efficiency.

[0046] Fourth, the present invention realizes the automatic transfer of the bar material by setting a rotating feeding mechanism, thereby improving the mechanization degree of feeding and reducing the labor intensity of workers.

[0047] 5. The present invention uses two material-shifting mechanisms arranged side by side to shift damaged and undamaged bars to different sides of the rear clamping roller for distinction, and three material-shifting hooks are evenly arranged on the shifting claws. The design is reasonable and suitable for the transfer of bar materials. The finished product sling material frame, the waste opening and closing sling material frame and the waste collection sling material frame are arranged according to the flaw detection conditions of the bar materials, so as to automatically classify the bar materials and improve work efficiency.

[0048] 6. The present invention provides a sling buffer component on the material frame E to buffer the bar material, and the length of the sling E can be adjusted according to the amount of falling material, thereby reducing the height difference of the bar material falling directly into the bottom of the material frame E, thereby reducing noise and avoiding damage to the bar material due to the height difference, thereby effectively ensuring product quality.

[0049] 7. The present invention provides a bridge arm on the waste opening and closing sling material frame to automatically classify the rod products with internal and external injuries, which is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] The present invention will be further described below in conjunction with the accompanying drawings.

[0051] Figure 1 It is a schematic structural diagram of the automatic loading and unloading device for bars of the present invention.

[0052] Figure 2 This is a CC direction view of the automatic loading and unloading device for bars of the present invention.

[0053] Figure 3 This is the A-direction view of the automatic loading and unloading device for bars of the present invention.

[0054] Figure 4 This is a B-direction view of the automatic loading and unloading device for bars of the present invention.

[0055] Figure 5 For the present invention Figure 2 DD direction view.

[0056] Figure 6 For the present invention Figure 2 EE direction view.

[0057] Figure 7 For the present invention Figure 6 II direction view.

[0058] Figure 8 The structure of the material ejecting device of the present invention is shown in FIG. Figure 1 .

[0059] Fig. 9 The structure of the material ejecting device of the present invention is shown in FIG. Figure 2 .

[0060] Fig.10 It is a top view of the material blocking device of the present invention.

[0061] Fig.11 It is an X-axis view of the material blocking device of the present invention.

[0062] Fig.12 It is a cross-sectional view of the material blocking device of the present invention along the AA direction.

[0063] Fig.13 BB direction cross-sectional view of the material blocking device of the present invention.

[0064] Fig.14 It is a structural schematic diagram of the material blocking block of the present invention.

[0065] Fig.15 It is a schematic structural diagram of the bulk material device of the present invention.

[0066] Fig.16 It is a structural schematic diagram of the rotary feeding mechanism of the present invention.

[0067] Fig.17 It is a front view of the rotary feeding mechanism of the present invention.

[0068] Fig.18 It is a top view of the rotary feeding mechanism of the present invention.

[0069] Fig.19 It is a cross-sectional view along the AA direction of the rotary feeding mechanism of the present invention.

[0070] Fig. 20 It is a BB direction cross-sectional view of the rotary feeding mechanism of the present invention.

[0071] Fig.21 It is a cross-sectional view along the CC direction of the rotary feeding mechanism of the present invention.

[0072] Fig. 22 It is a front view of the material-diverting mechanism of the present invention.

[0073] Fig.23 It is a top view of the material diverting mechanism of the present invention.

[0074] Fig.24 It is the Y-direction view of the material shifting mechanism of the present invention.

[0075] Fig.25 It is a structural schematic diagram of the pushing claw of the material pushing mechanism of the present invention.

[0076] Fig.26 It is a schematic structural diagram of the finished sling material frame of the present invention.

[0077] Fig. 27 It is a front view of the finished sling material frame of the present invention.

[0078] Fig.28 It is an attached view of the finished sling material frame of the present invention.

[0079] Fig.29 It is a cross-sectional view of the finished sling material frame of the present invention taken along the AA direction.

[0080] Fig.30 It is a cross-sectional view of the sling buffer component of the finished sling material frame of the present invention taken along the BB direction.

[0081] Fig.31 It is a structural schematic diagram of the waste opening and closing sling material frame of the present invention.

[0082] Fig.32 It is a front view of the scrap opening and closing sling material frame of the present invention.

[0083] Fig.33 It is a top view of the scrap opening and closing sling material frame of the present invention.

[0084] Fig.34 It is a cross-sectional view in the AA direction of the scrap opening and closing sling material frame of the present invention.

[0085] Fig.35 It is a front view of the scrap collection sling frame of the present invention.

[0086] Fig.36 It is a top view of the scrap collection sling material frame of the present invention.

[0087] Fig.37 It is a cross-sectional view of the scrap collection sling frame of the present invention taken along the AA direction.

[0088] Fig.38 For the present invention Figure 3 Enlarged view of point F.

[0089] In the figure: 1 is a feeding stand, 101 is a strip stand, 2 is a blocking device, 201 is a blocking block, 2011 is a long side, 2012 is a short side, 2013 is an arc side, 202 is a driving shaft, 203 is a rotating arm A, 204 is a handle, 205 is a rocker arm A, 206 is a rotating arm B, 207 is a swing arm, 208 is a reducer, 3 is a ejector device, 301 is a guide rod cylinder, 302 is a bracket A, 303 is a top plate, 304 is a blocking hook, 4 is a rotating feeding mechanism, 401 is a reduction motor A, 402 is an electric Machine base A, 403 is rotating shaft A, 404 is supporting seat A, 405 is fixed sprocket, 406 is tensioning sprocket, 407 is tensioning sprocket shaft, 408 is driving sprocket, 409 is driving sprocket shaft, 410 is V-type support, 411 is driving chain, 412 is swing arm, 5 is front pinch roller, 501 is V-type roller, 502 is supporting seat B, 503 is reduction motor B, 504 is rotating shaft B, 6 is pressure roller assembly, 601 is motor C, 602 is bracket C, 603 is lifter, 604 is pressure roller cylinder , 605 is an auxiliary bracket, 606 is a guide rod, 607 is a connecting plate, 608 is a pressure roller shaft, 609 is a roller, 610 is a screw rod, 611 is a rotating shaft C, 612 is a housing, 613 is a fixed sleeve, 614 is a pressure roller shaft bracket, 7 is a material-dispensing mechanism, 701 is a reduction motor D, 702 is a pusher claw, 703 is a rotating shaft D, 704 is a support seat D, 705 is a motor base D, 706 is a material-dispensing hook, 8 is a finished sling material frame, 801 is a reduction motor E, 802 is a rotating shaft E, 803 is a sling Belt E, 804 is material frame E, 805 is guiding arm E, 806 is turning rod one, 807 is turning rod two, 808 is turning rod three, 809 is fixing rod, 810 is winding wheel, 9 is scrap opening and closing sling material frame, 901 is rotating shaft F, 902 is bridge arm, 903 is shifting arm, 904 is cylinder F, 905 is cylinder base F, 10 is scrap collecting sling material frame, 11 is steel bar flaw detection equipment, 12 is rear clamping roller, 13 is bar material, 1301 is bar material A, 1302 is bar material B, 14 is baffle. DETAILED DESCRIPTION

[0090] The following is a further description with reference to specific embodiments.

[0091] A novel automatic loading and unloading device for bars comprises: a loading platform 1, a material blocking device 2, a material pushing device 3, a rotating loading mechanism 4, a front pinch roller 5, a rear pinch roller 12, a pressure roller assembly 6, a material shifting mechanism 7, a finished product sling material frame 8, a waste opening and closing sling material frame 9 and a waste collection sling material frame 10, wherein the front pinch roller 5 is arranged at the front end of a steel bar flaw detection device 11 for conveying a bar material 13 to the steel bar flaw detection device 11, the rear pinch roller 12 is arranged at the rear end of the steel bar flaw detection device 11 for receiving the bar material 13 output by the steel bar flaw detection device 11, and a pressure roller assembly 6 is arranged above the front pinch roller 5 and the rear pinch roller 12;

[0092] The rotating feeding mechanism 4 is provided on one side of the front pinching roller 5, and the rotating feeding mechanism 4 is used to place the bar material 13 onto the front pinching roller 5. The feeding platform 1 is inclinedly provided on the side of the rotating feeding mechanism 4 away from the front pinching roller 5, and the feeding platform 1 is inclined toward the rotating feeding mechanism 4. The feeding platform 1 is connected with the blocking device 2 for separating the bar materials 13 of different diameters, and the ejecting device 3 is provided below the blocking device 2. The ejecting device 3 is connected to the feeding platform 1, and the ejecting device 3 is used to disperse the bar materials stacked on each other;

[0093] The finished product sling material frame 8 for holding undamaged bars 13 is arranged on one side of the rear pinch roller 12, and the waste opening and closing sling material frame 9 and the waste collection sling material frame 10 for holding internally damaged and externally damaged bars 13 are arranged in parallel on the other side of the rear pinch roller 12. The material shifting mechanism 7 for packing the bars 13 is arranged at the rear pinch roller 12, and the material shifting mechanism 7 is used to shift the damaged or undamaged bars 13 to the corresponding side of the rear pinch roller 12. That is, the undamaged bars 13 are shifted to one side of the finished product sling material frame 8, and the damaged bars 13 are shifted to the other side of the rear pinch roller 12.

[0094] The loading platform 1 includes a plurality of strip platforms 101 arranged in parallel, and the strip platforms 101 are arranged perpendicular to the direction in which the front pinch rollers 5 convey the bar material 13. The strip platforms 101 are all arranged tilted toward the front pinch rollers 5.

[0095] The material blocking device 2 includes: a material blocking block 201, a driving shaft 202 and a rotating driving member. There are multiple material blocking blocks 201, and 6 groups of material blocking blocks 201 can be set. The number of the material blocking blocks 201 corresponds to the number of the strip racks 101. A material blocking block 201 is set on one side of the upper part of each strip rack 101. The lower end surface of the material blocking block 201 is connected to a vertically arranged driving shaft 202. The driving shaft 202 is connected to the loading rack 1, and the driving shaft 202 can rotate relative to the loading rack 1. The lower end of the driving shaft 202 is connected to the rotating driving member, and the rotating driving member is used to drive the multiple driving shafts 202 to reciprocate synchronously.

[0096] The material blocking block 201 includes: a long side 2011, a short side 2012 and an arcuate side 2013, wherein the long side 2011, the short side 2012 and the arcuate side 2013 are connected end to end in sequence to enclose the material blocking block 201, that is, the material blocking block 201 is a quarter elliptical structure, and the driving shaft 202 is fixed at the connection between the long side 2011 and the short side 2012;

[0097] The rotating driving member includes: a rotating arm A203, a rocker 207 and a rocker swing driving member, wherein the rocker 207 is horizontally arranged below the feeding platform 1, the rocker 207 is perpendicular to the strip platform 101, one end of the rocker 207 is connected to the rocker swing driving member for driving the rocker 207 to swing back and forth horizontally, the rotating arms A203 are multiple, and the number of the rotating arms A203 is consistent with the number of the driving shafts 202, and the lower ends of the driving shafts 202 are connected to a horizontally arranged The rotating arm A203 is arranged, one end of the rotating arm A203 is fixed to the driving shaft 202, and the other end of the rotating arm A203 is hinged to the swing rod 207. When the swing rod 207 swings back and forth horizontally, it drives the driving shaft 202 to rotate back and forth, thereby driving the blocking block 201 to rotate. The blocking position of the blocking block 201 is different during the rotation process, thereby adjusting the relative position of the bar material 13 and the top plate 303 of the ejecting device 3, so that the top plate 303 of the ejecting device 3 can lift a single bar material 13 each time;

[0098] The rocker arm swing drive component includes: a handle 204, a rocker arm A205, a rotating arm B206 and a reducer 208. One end of the rocker arm 207 is hinged to one end of the horizontally arranged rotating arm B206, the other end of the rotating arm B206 is fixed to the output end of the reducer 208, one end of the rocker arm A205 is fixed to the input end of the reducer 208, and the other end of the rocker arm A205 is connected to the handle 204.

[0099] A material ejection device 3 is arranged below the material blocking block 201, and the material ejection device 3 includes: a guide rod cylinder 301, a bracket A302 and a top plate 303. The top plate 303 is arranged below the material blocking block 201. The top plate 303 is a vertically arranged plate-like structure. The length extension direction of the top plate 303 is parallel to the strip stand 101. The upper end surface of the top plate 303 adopts an inclined surface structure inclined toward the direction of the front pinch roller 5, and the end of the top plate 303 close to the front pinch roller 5 is provided with an upward The protruding material blocking hook 304 and the top plate 303 are adapted to the position of the material blocking block 201. The material blocking block 201 is adjusted to rotate so that the material blocking position is adapted to the distance between the ends on the same side of the top plate 303 and the diameter of the rod 13 to be lifted. A single rod 13 is lifted at a time to disperse the stacked rods. The bracket A302 is fixed below the top plate 303. The bracket A302 is fixed to the upper end of the piston rod of the guide rod cylinder 301 below, and the cylinder body of the guide rod cylinder 301 is fixed to the loading platform 1.

[0100] The rotary feeding mechanism 4 includes: a reduction motor A401, a motor base A402, a rotating shaft A403, a support seat A404, a V-shaped support 410, a swing arm 412 and a flat support control member, the rotating shaft A403 is horizontally arranged between the front clamping roller 5 and the feeding platform 1, and the rotating shaft A403 is parallel to the direction in which the front clamping roller 5 conveys the rod material 13, one end of the rotating shaft A403 is connected to the output shaft of the reduction motor A401 through a coupling, the motor base A402 is fixed below the reduction motor A401, and a plurality of the support seats are arranged side by side below the rotating shaft A403 A404, and the rotating shaft A403 is connected to the bearing of the support seat A404, and a plurality of swing arms 412 perpendicular to the rotating shaft A403 are evenly arranged on the rotating shaft A403, and the length of the swing arm 412 is adapted to the distance between the rotating shaft A403 and the ejecting device 3 and the front pinching roller 5, and the swing arm 412 is used to transfer the bar material 13 on the ejecting device 3 to the front pinching roller 5, and one end of the swing arm 412 is fixed to the rotating shaft A403, and the other end of the swing arm 412 is connected to a V-shaped support 410, and the V-shaped support 410 is provided with the flat support control member for controlling its V-shaped mouth to face upward;

[0101] The flat support control component includes: a fixed sprocket 405, a tensioning sprocket 406, a tensioning sprocket shaft 407, a transmission sprocket 408, a transmission sprocket shaft 409 and a transmission chain 411, wherein the transmission sprocket shaft 409 is arranged in parallel with the rotating axis A403, the transmission sprocket shaft 409 passes through one end of the swing arm 412 away from the rotating axis A403, and the transmission sprocket shaft 409 can rotate relative to the swing arm 412, the lower end of the V-shaped support 410 is fixed to one end of the transmission sprocket shaft 409, and the transmission sprocket 408 is coaxially fixed to the other end of the transmission sprocket shaft 409, the fixed sprocket 405 is coaxially sleeved on the rotating axis A403, and the rotating axis A403 can rotate relative to the fixed sprocket 405, the fixed sprocket 405 is fixed relative to the support seat A404, and the tensioning sprocket 406 is arranged Between the fixed sprocket 405 and the transmission sprocket 408, the axial center lines of the fixed sprocket 405, the tensioning sprocket 406 and the transmission sprocket 408 are located in the same plane, the tensioning sprocket 406 is coaxially connected to one end of the tensioning sprocket shaft 407, and the tensioning sprocket 406 can rotate relative to the tensioning sprocket shaft 407, and the other end of the tensioning sprocket shaft 407 is fixed to the swing arm 412, and an annular transmission chain 411 is sleeved between the fixed sprocket 405 and the transmission sprocket 408, and the tensioning sprocket 406 is used to tighten the transmission chain 411 so as to tension the transmission chain 411. When the rotating shaft A403 rotates, the swing arm 412 follows the rotating shaft A403 to make a circular motion. Under the control of the flat support control component, the V-shaped mouth of the V-shaped support 410 faces upward to support the rod 13 to be transferred. The swing arm 412 completes a circular motion and transfers a rod 13 from the upper end of the lifting device 3 to the front clamping roller 5.

[0102] The front pinch roller 5 and the rear pinch roller 12 both include a plurality of pinch roller components, which are sequentially arranged along the conveying direction of the bar 13. The pinch roller components include: a V-shaped roller 501, a support seat B502, a reduction motor B503 and a rotating shaft B504. The rotating shaft B504 is horizontally arranged above the support seat B502. The rotating shaft B504 is perpendicularly arranged to the conveying direction of the bar 13. The rotating shaft B504 is connected to the bearing of the support seat B502. The V-shaped roller 501 is coaxially fixed with the rotating shaft B504. One end of the rotating shaft B504 is connected to the output shaft of the reduction motor B503 through a coupling. The reduction motor B503 is fixed relative to the support seat B502. When the reduction motor B503 is started, the V-shaped roller 501 rotates, and the bar 13 placed above the V-shaped roller 501 moves forward due to friction.

[0103] The ends of the front pinch roller 5 and the rear pinch roller 12 facing away from the steel bar flaw detection device 11 are fixed with protective baffles 14, and the upper end surface height of the baffle 14 is higher than the height of the pinch roller component to prevent the bar 13 from slipping off the pinch roller component.

[0104] The front pinch roller 5 and the rear pinch roller 12 are both provided with 15 groups of pinch roller components, and the 15 groups of pinch roller components are denser as they are closer to the steel bar flaw detection device 11 .

[0105] A pressure roller assembly 6 is arranged above the two pinch roller components close to the steel bar flaw detection device 11. The pressure roller assembly 6 includes: a bracket C602, a lifter 603, a pressure roller cylinder 604, a pressure roller shaft 608 and a roller 609. The pressure roller cylinder 604 is axially and vertically arranged above the V-shaped roller 501. The bracket C602 is fixed above the support seat B502. The lifter 603 is connected to the bracket C602. The lifter 603 is used to The cylinder body of the roller cylinder 604 is driven to move up and down. The lower end of the piston rod of the roller cylinder 604 is connected to the horizontally arranged roller shaft 608. The roller shaft 608 can rotate relative to the piston rod of the roller cylinder 604. The roller shaft 608 is parallel to the rotating axis B504. The roller 609 is coaxially fixedly sleeved on the roller shaft 608. The roller 609 cooperates with the V-shaped roller 501 to clamp and convey bars 13 of different diameters.

[0106] The pressure roller assembly 6 also includes: an auxiliary bracket 605, a fixed sleeve 613, a guide rod 606, a connecting plate 607 and a pressure roller shaft bracket 614. The auxiliary bracket 605 is fixed to the cylinder body of the pressure roller cylinder 604. The upper end of the fixed sleeve 613 arranged axially and vertically is fixed to the auxiliary bracket 605. The upper end of the guide rod 606 is coaxially sleeved inside the fixed sleeve 613, and the guide rod 606 can reciprocate up and down relative to the fixed sleeve 613. The lower end of the guide rod 606 is fixed to the connecting plate 607, and the connecting plate 607 is fixed to the lower end of the piston rod of the pressure roller cylinder 604. The provision of the guide rod 606 can increase the stability and firmness of the pressure roller assembly 6. The pressure roller shaft bracket 614 is fixed to the connecting plate 607, and the end of the pressure roller shaft 608 is connected to the bearing of the pressure roller shaft bracket 614.

[0107] The lift 603 includes: a motor C601, a screw rod 610, a rotating shaft C611 and a driving gear. The lower end of the vertically arranged screw rod 610 is connected to the upper end of the cylinder body of the roller cylinder 604, and the screw rod 610 can rotate relative to the cylinder body of the roller cylinder 604. The lower end of the screw rod 610 is connected to the bearing of the upper end of the cylinder body of the roller cylinder 604. The screw rod 610 passes through the bracket C602, and the screw rod 610 is threadedly connected to the bracket C602. The driving gear is axially horizontally arranged on one side of the screw rod 610, and the driving gear is meshed with the screw rod 610. The driving gear is used to drive the screw rod 610 to rotate. The driving gear is coaxially fixed with the rotating shaft C611. The rotating shaft C611 is connected to the output shaft of the motor C601 through a coupling. The motor C601 is fixed to the bracket C602.

[0108] The driving gear is provided with a housing 612 for protection, and the housing 612 is fixed to the bracket C602. The height of the pressing roller cylinder 604 is adjusted by the lift 603 to adapt to the bar 13 of a certain diameter, and the piston rod of the pressing roller cylinder 604 is extended and retracted to press the bar 13.

[0109] There are two material-pickup mechanisms 7, which are arranged side by side, and are respectively arranged on both sides of the V-shaped roller 501 of the rear pinch roller 12. The material-pickup mechanisms 7 include: a reduction motor D701, a pusher claw 702, a rotating shaft D703, a support seat D704 and a motor base D705. The rotating shaft D703 is arranged parallel to the direction in which the rear pinch roller 12 conveys the rod material 13. A plurality of support seats D704 are arranged side by side below the rotating shaft D703. The rotating shaft D703 can rotate relative to the support seat D704. The rotating shaft D703 is connected to the support seat D704 through a seat bearing. One end of 03 is connected to the output shaft of the reduction motor D701 through a coupling, the reduction motor D701 is fixed to the motor base D705, a plurality of the pusher claws 702 are evenly arranged on the rotating shaft D703, the pusher claws 702 adopt an equilateral triangle plate structure, the pusher claws 702 are coaxially fixed with the rotating shaft D703, and a material-pickup hook 706 is fixed on each of the three corners of the pusher claws 702, the material-pickup hook 706 facing the V-shaped roller 501 of the rear pinch roller 12 can push the bar material 13 on the rear pinch roller 12 to the V-shaped roller 501 that is separated from the rear pinch roller 12, and the material-pickup hooks 706 of the two material-pickup mechanisms 7 are arranged in a mirror structure;

[0110] The three sides of the finger 702 are all in an inwardly concave arc structure.

[0111] The finished product sling material frame 8, the waste opening and closing sling material frame 9 and the waste collecting sling material frame 10 all include: a material frame E804 and a sling buffer component, the material frame E804 is a U-shaped structure, there are multiple material frames E804, multiple material frames E804 are arranged side by side, and a sling buffer component is arranged on the side of each material frame E804;

[0112] The sling buffer component includes: a sling E803, a steering rod 1 806, a steering rod 2 807, a steering rod 3 808, a fixed rod 809 and a winding control component, wherein the steering rod 1 806, the steering rod 2 807, the steering rod 3 808 and the fixed rod 809 are horizontally fixed on the same side of the material frame E804, and the steering rod 1 806, the steering rod 2 807, the steering rod 3 808 and the fixed rod 809 are respectively located at the four corners of the U-shaped structure of the material frame E804, and the steering rod 2 807 and the steering rod 1 806 arranged on the same side and up and down are coaxially connected with pulleys, the steering rod 3 808 and the fixed rod 809 are arranged up and down relative to the steering rod 2 807 and the steering rod 1 806, one end of the sling E803 is fixed to the fixed rod 809, and the sling E80 The other end of the sling E803 is passed through the steering rod 3 808, the pulley on the steering rod 2 807 and the pulley on the steering rod 1 806 in sequence. The other end of the sling E803 is connected with the winding control component for adjusting the length of the sling E803. The sling E803 between the steering rod 2 807 and the steering rod 3 808 is used to receive the bar material 13. The sling E803 between the steering rod 2 807 and the steering rod 3 808 is located at the upper part of the opening of the material frame E804. When the bar material 13 falls, it falls on the top of the sling E803. The sling E803 is elastic and can buffer the bar material 13. The bar material 13 does not directly fall into the bottom of the material frame E804, thereby reducing the noise generated by the height difference of the bar material 13, avoiding the damage of the bar material 13 due to the height difference, and effectively ensuring the product quality.

[0113] The winding control component includes: a reduction motor E801, a rotating shaft E802 and a winding wheel 810. The rotating shaft E802 is horizontally arranged on a side of the material frame E804 close to the steering rod 806, and the rotating shaft E802 is arranged parallel to the direction in which the rear clamping roller 12 conveys the rod material 13. The rotating shaft E802 is connected to a plurality of material frames E804 arranged side by side and at intervals. The rotating shaft E802 can rotate relative to the material frame E804. The rotating shaft E802 is connected to the bearing of the material frame E804. One end of the rotating shaft E802 is connected to the output shaft of the reduction motor E801 through a coupling. The reduction motor E801 is fixed relative to the material frame E804. There are multiple winding wheels 810. The reeling wheels 810 are coaxially sleeved and fixed with the rotating shaft E802 at intervals, and the reeling wheels 810 correspond to the slings E803 one by one, and each sling E803 can be reeled onto the corresponding reeling wheel 810; when the sling E803 receives the bar material 13, as the number of bar materials 13 increases, the rotating shaft E802 rotates to drive the reeling wheel 810 to release the rope, and when the sling E803 coincides with the bottom of the material frame E804, the collected bar materials 13 are taken out, and the reeling wheel 810 starts to reel, shortening the length of the unwinding part of the sling E803, so that the sling E803 between the second turning rod 807 and the third turning rod 808 is located at the upper part of the open opening of the material frame E804 for cyclically receiving the bar materials 13;

[0114] A pad is fixed at the bottom of the material frame E804, and the pad is used to further reduce the impact caused by the falling of the rod material 13.

[0115] A guide arm E805 is provided on each material frame E804 of the finished product sling material frame 8 and the scrap opening and closing sling material frame 9. The guide arm E805 is fixed to the upper end of one side of the material frame E804 facing the rear pinch roller 12. The guide arm E805 is used to receive the bar material 13 of the previous process. The guide arm E805 is inclined toward the material frame E804. For example, the guide arm E805 on the finished product sling material frame 8, when the bar material 13 is pushed away from the rear pinch roller 12 by the pusher claw 702 of the material pushing mechanism 7, the pusher claw 702 rotates along the rotating shaft D703, and the bar material 13 slides downward along the arc edge of the pusher claw 702 due to gravity. The guide arm E805 is set on the trajectory of the bar material 13 sliding down to receive the bar material 13;

[0116] The scrap opening and closing sling material frame 9 is also provided with: a rotating shaft F901, a bridge arm 902 and an opening and closing driving member, the rotating shaft F901 is arranged in parallel with the rotating shaft E802, the rotating shaft F901 is connected to the upper end of the material frame E804 of the scrap opening and closing sling material frame 9 away from the rear pinch roller 12, the rotating shaft F901 can rotate relative to the material frame E804, the rotating shaft F901 is connected to the material frame E804 through a bearing seat, and the rotating shaft F901 The upper end of the sling is connected to the opening and closing driving member for driving the rotating shaft F901 to rotate, and a plurality of bridge arms 902 perpendicular to the rotating shaft F901 are fixed at intervals on the rotating shaft F901, and the bridge arms 902 are used to cover the upper opening of the material frame E804 of the waste opening and closing sling material frame 9 so that the rod 13 crosses the waste opening and closing sling material frame 9 and enters the waste collecting sling material frame 10, or to open the upper opening of the material frame E804 of the waste opening and closing sling material frame 9 so that the rod 13 enters When the bridge arm 902 is used to cover the upper opening of the material frame E804 of the waste opening and closing sling material frame 9 so that the bar material 13 crosses the waste opening and closing sling material frame 9 and enters the waste collection sling material frame 10, at this time, the bridge arm 902 is parallel to the downward extension trajectory of the guide arm E805 of the waste opening and closing sling material frame 9, so that the bar material 13 sliding down from the guide arm E805 enters the upper part of the bridge arm 902 and further slides into the waste collection sling material In the frame 10, when the bridge arm 902 is used to open the upper opening of the material frame E804 of the scrap opening and closing sling material frame 9 so that the bar material 13 enters the scrap opening and closing sling material frame 9, the bridge arm 902 is lifted toward one end of the rear pinch roller 12, so that the bar material 13 sliding down from the guide arm E805 of the scrap opening and closing sling material frame 9 directly enters the scrap opening and closing sling material frame 9, and the rotation shaft F901 is driven to rotate by the opening and closing driving member to adjust the state of the bridge arm 902;

[0117] The opening and closing drive components include: a lever arm 903, a cylinder F904 and a cylinder base F905, one end of the lever arm 903 is fixed to the rotating shaft F901, the other end of the lever arm 903 is hinged to the end of the piston rod of the cylinder F904, the cylinder body of the cylinder F904 is hinged to the cylinder base F905, and the cylinder base F905 is fixed relative to the material frame E804.

[0118] The present loading and unloading device can process rods 13 of different diameters. For example, as shown in the enlarged view F, when processing rod A1301 with a smaller diameter, the baffle block 201 is rotated so that the horizontal distance a from the end of the baffle block 201 contacting the rod A1301 to the end of the top plate 303 of the ejection device 3 away from the front clamping roller 5 is similar to the diameter of the rod A1301, that is, it can be ensured that the rod A1301 lifted up at a single time is a single one. Similarly, when processing rod B1302 with a larger diameter, the baffle block 201 is rotated so that the horizontal distance b from the end of the baffle block 201 contacting the rod B1302 to the end of the top plate 303 of the ejection device 3 away from the front clamping roller 5 is similar to the diameter of the rod B1302, that is, it can be ensured that the rod B1302 lifted up at a single time is a single one.

[0119] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Those familiar with the technology may modify or improve the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. Automatic loading and unloading device for bars, characterized in that: include: A feeding stand (1), a material blocking device (2), a material pushing device (3), a rotating feeding mechanism (4), a front pinch roller (5), a rear pinch roller (12), a pressure roller assembly (6), a material shifting mechanism (7), a finished product sling material frame (8), a waste opening and closing sling material frame (9) and a waste collection sling material frame (10), wherein the front pinch roller (5) is arranged at the front end of the steel bar flaw detection device (11) for conveying the bar material (13) to the steel bar flaw detection device (11), the rear pinch roller (12) is arranged at the rear end of the steel bar flaw detection device (11) for receiving the bar material (13) output by the steel bar flaw detection device (11), and a pressure roller assembly (6) is arranged above the front pinch roller (5) and the rear pinch roller (12); The rotating feeding mechanism (4) is arranged on one side of the front pinch roller (5), and the rotating feeding mechanism (4) is used to place the bar material (13) onto the front pinch roller (5). The feeding platform (1) is arranged obliquely on the side of the rotating feeding mechanism (4) away from the front pinch roller (5), and the feeding platform (1) is inclined toward the rotating feeding mechanism (4). The feeding platform (1) is connected with the blocking device (2) for separating the bar materials (13) of different diameters. The lifting device (3) is arranged below the blocking device (2), and the lifting device (3) is connected to the feeding platform (1). The lifting device (3) is used to disperse the bar materials stacked on each other. The finished product sling material frame (8) for holding undamaged rods (13) is arranged on one side of the rear pinch roller (12), and a waste opening and closing sling material frame (9) and a waste collecting sling material frame (10) for holding internally damaged and externally damaged rods (13) are arranged in parallel on the other side of the rear pinch roller (12). The rear pinch roller (12) is provided with a material shifting mechanism (7) for packing the rods (13), and the material shifting mechanism (7) is used to shift the damaged or undamaged rods (13) to the corresponding side of the rear pinch roller (12); The loading platform (1) comprises a plurality of strip-shaped platforms (101) arranged in parallel, wherein the strip-shaped platforms (101) are arranged perpendicular to the direction in which the front pinch rollers (5) convey the bar material (13); The material blocking device (2) comprises: a material blocking block (201), a driving shaft (202) and a rotating driving member, wherein there are a plurality of material blocking blocks (201), and the number of the material blocking blocks (201) corresponds to the number of the strip racks (101); a material blocking block (201) is arranged on one side of the upper part of each strip rack (101); the lower end surface of each material blocking block (201) is connected to a vertically arranged driving shaft (202); each driving shaft (202) is connected to the loading rack (1), and the driving shaft (202) can rotate relative to the loading rack (1); the lower end of each driving shaft (202) is connected to the rotating driving member, and the rotating driving member is used to drive the plurality of driving shafts (202) to rotate synchronously and reciprocatingly; The material stopper (201) comprises: a long side (2011), a short side (2012) and an arcuate side (2013); the long side (2011), the short side (2012) and the arcuate side (2013) are connected end to end in sequence to enclose the material stopper (201); the drive shaft (202) is fixed at the connection between the long side (2011) and the short side (2012); The rotating driving member comprises: a rotating arm A (203), a swing rod (207) and a swing rod swing driving member, wherein the swing rod (207) is horizontally arranged below the loading platform (1), the swing rod (207) is perpendicular to the strip platform (101), one end of the swing rod (207) is connected to the swing rod swing driving member for driving the swing rod (207) to swing horizontally back and forth, there are a plurality of rotating arms A (203), and the number of the rotating arms A (203) is consistent with the number of the driving shafts (202), the lower end of each driving shaft (202) is connected to a horizontally arranged rotating arm A (203), one end of the rotating arm A (203) is fixed to the driving shaft (202), and the other end of the rotating arm A (203) is hinged to the swing rod (207); The swing rod swing driving member comprises: a handle (204), a rocker arm A (205), a rotating arm B (206) and a reducer (208); one end of the swing rod (207) is hinged to one end of the rotating arm B (206) arranged horizontally; the other end of the rotating arm B (206) is fixed to the output end of the reducer (208); one end of the rocker arm A (205) is fixed to the input end of the reducer (208); and the other end of the rocker arm A (205) is connected to the handle (204).

2. The automatic loading and unloading device for bars according to claim 1 is characterized in that: A material pushing device (3) is arranged below the material blocking block (201), and the material pushing device (3) comprises: a guide rod cylinder (301), a bracket A (302) and a top plate (303). The top plate (303) is arranged below the material blocking block (201), and the upper end surface of the top plate (303) adopts an inclined surface structure inclined toward the front clamping roller (5), and an upwardly protruding material blocking hook (304) is arranged at one end of the top plate (303) close to the front clamping roller (5). The bracket A (302) is fixed below the top plate (303), and the lower part of the bracket A (302) is fixed to the upper end of the piston rod of the guide rod cylinder (301), and the cylinder body of the guide rod cylinder (301) is fixed to the loading platform (1).

3. The automatic loading and unloading device for bars according to claim 1 is characterized in that: The rotary feeding mechanism (4) comprises: a reduction motor A (401), a motor base A (402), a rotating shaft A (403), a support seat A (404), a V-shaped support (410), a swing arm (412) and a flat support control member, wherein the rotating shaft A (403) is horizontally arranged between the front pinch roller (5) and the feeding platform (1), and the rotating shaft A (403) is parallel to the direction in which the front pinch roller (5) conveys the bar material (13), one end of the rotating shaft A (403) is connected to the output shaft of the reduction motor A (401) via a coupling, and the lower end of the reduction motor A (401) is connected to the output shaft of the reduction motor A (401). The motor base A (402) is fixed, a plurality of support seats A (404) are arranged side by side below the rotating shaft A (403), and the rotating shaft A (403) is bearing-connected to the support seats A (404), a plurality of swing arms (412) perpendicular to the rotating shaft A (403) are evenly arranged on the rotating shaft A (403), one end of the swing arm (412) is fixed to the rotating shaft A (403), and the other end of each swing arm (412) is connected to a V-shaped support (410), and each V-shaped support (410) is provided with a flat support control member for controlling its V-shaped opening to face upward; The flat support control member comprises: a fixed sprocket (405), a tensioning sprocket (406), a tensioning sprocket shaft (407), a transmission sprocket (408), a transmission sprocket shaft (409) and a transmission chain (411), wherein the transmission sprocket shaft (409) The transmission sprocket shaft (409) is arranged parallel to the rotating shaft A (403), the transmission sprocket shaft (409) passes through one end of the swing arm (412) away from the rotating shaft A (403), and the transmission sprocket shaft (409) can rotate relative to the swing arm (412), the lower end of the V-shaped support (410) is fixed to one end of the transmission sprocket shaft (409), and the other end of the transmission sprocket shaft (409) is coaxially fixed with the transmission sprocket (408), the fixed sprocket (405) is coaxially sleeved on the rotating shaft A (403), the rotating shaft A (403) can rotate relative to the fixed sprocket (405), the fixed sprocket (405) is fixed relative to the support seat A (404), and the tensioning sprocket (406) is arranged on the support seat A (404). Axial center lines of the fixed sprocket (405), the tensioning sprocket (406) and the transmission sprocket (408) are located in the same plane between the fixed sprocket (405) and the transmission sprocket (408); the tensioning sprocket (406) is coaxially connected to one end of the tensioning sprocket shaft (407); the tensioning sprocket (406) can rotate relative to the tensioning sprocket shaft (407); the other end of the tensioning sprocket shaft (407) is fixed to the swing arm (412); an annular transmission chain (411) is sleeved between the fixed sprocket (405) and the transmission sprocket (408); the tensioning sprocket (406) is used to tighten the transmission chain (411) so as to tension the transmission chain (411).

4. The automatic loading and unloading device for bars according to claim 1 is characterized in that: The front pinch roller (5) and the rear pinch roller (12) each include a plurality of pinch roller components, the plurality of pinch roller components are sequentially arranged along the conveying direction of the bar material (13), the pinch roller components include: a V-shaped roller (501), a support seat B (502), a reduction motor B (503) and a rotating shaft B (504), the rotating shaft B (504) being horizontally arranged above the support seat B (502), the rotating shaft B (504) being arranged perpendicular to the conveying direction of the bar material (13), the rotating shaft B (504) being connected to a bearing of the support seat B (502), the V-shaped roller (501) being coaxially fixed to the rotating shaft B (504), one end of the rotating shaft B (504) being connected to the output shaft of the reduction motor B (503) via a coupling, and the reduction motor B (503) being fixed relative to the support seat B (502); The ends of the front pinch roller (5) and the rear pinch roller (12) facing away from the steel bar flaw detection device (11) are both fixed with baffles (14) for protection.

5. The automatic loading and unloading device for bars according to claim 4 is characterized in that: A pressure roller assembly (6) is disposed above each of the two pinch roller components close to the steel bar flaw detection device (11), and the pressure roller assembly (6) comprises: a bracket C (602), an elevator (603), a pressure roller cylinder (604), a pressure roller shaft (608) and a roller (609), wherein the pressure roller cylinder (604) is axially and vertically disposed above the V-shaped roller (501), the bracket C (602) is fixed above the support seat B (502), the elevator (603) is connected to the bracket C (602), and the elevator (603) ) is used to drive the cylinder body of the pressure roller cylinder (604) to move up and down, the lower end of the piston rod of the pressure roller cylinder (604) is connected to the horizontally arranged pressure roller shaft (608), the pressure roller shaft (608) can rotate relative to the piston rod of the pressure roller cylinder (604), the pressure roller shaft (608) is parallel to the rotating axis B (504), the roller (609) is coaxially fixedly sleeved on the pressure roller shaft (608), and the roller (609) cooperates with the V-shaped roller (501) to clamp and convey rods (13) of different specifications and diameters; The pressure roller assembly (6) further comprises: an auxiliary bracket (605), a fixed sleeve (613), a guide rod (606), a connecting plate (607) and a pressure roller shaft bracket (614); the auxiliary bracket (605) is fixed to the cylinder body of the pressure roller cylinder (604); the upper end of the fixed sleeve (613) arranged axially and vertically is fixed to the auxiliary bracket (605); the upper end of the guide rod (606) is coaxially sleeved inside the fixed sleeve (613), and the guide rod (606) can reciprocate up and down relative to the fixed sleeve (613); the lower end of the guide rod (606) is fixed to the connecting plate (607); the connecting plate (607) is fixed to the lower end of the piston rod of the pressure roller cylinder (604); the pressure roller shaft bracket (614) is fixed to the connecting plate (607); and the end of the pressure roller shaft (608) is connected to the bearing of the pressure roller shaft bracket (614); The lift (603) comprises: a motor C (601), a screw rod (610), a rotating shaft C (611) and a driving gear, wherein the lower end of the vertically arranged screw rod (610) is connected to the upper end of the cylinder body of the pressure roller cylinder (604), and the screw rod (610) can rotate relative to the cylinder body of the pressure roller cylinder (604), the screw rod (610) passes through the bracket C (602), and the screw rod (610) is threadedly connected to the bracket C (602), the driving gear is axially horizontally arranged on one side of the screw rod (610), and the driving gear is meshed with the screw rod (610), the driving gear is coaxially fixed with the rotating shaft C (611), the rotating shaft C (611) is connected to the output shaft of the motor C (601) via a coupling, and the motor C (601) is fixed to the bracket C (602); A housing (612) for protection is disposed outside the driving gear, and the housing (612) is fixed to the bracket C (602).

6. The automatic loading and unloading device for bars according to claim 1 or 5, characterized in that: There are two material shifting mechanisms (7), the two material shifting mechanisms (7) are arranged side by side, and the two material shifting mechanisms (7) are respectively arranged on both sides of the rear pinch roller (12), each of the material shifting mechanisms (7) comprises: a reduction motor D (701), a shifting claw (702), a rotating shaft D (703), a support seat D (704) and a motor base D (705), the rotating shaft D (703) is arranged parallel to the direction in which the rear pinch roller (12) conveys the bar material (13), a plurality of support seats D (704) are arranged side by side below the rotating shaft D (703), the rotating shaft D (703) can rotate relative to the support seat D (704), and the rotating shaft D (703) can rotate relative to the support seat D (704). One end of the shaft D (703) is connected to the output shaft of the reduction motor D (701) via a coupling, the reduction motor D (701) is fixed to the motor base D (705), a plurality of pusher claws (702) are evenly arranged on the rotating shaft D (703), the pusher claws (702) are of an equilateral triangle plate structure, the pusher claws (702) are coaxially fixed to the rotating shaft D (703), and a pusher hook (706) is fixed to each of the three corners of the pusher claw (702), and the pusher hook (706) facing the rear pinch roller (12) can push the bar material (13) on the rear pinch roller (12) away from the rear pinch roller (12); The three sides of the pusher claw (702) all have an inwardly concave arc structure.

7. The automatic loading and unloading device for bars according to claim 1 is characterized in that: The finished product sling material frame (8), the waste opening and closing sling material frame (9) and the waste collecting sling material frame (10) all comprise: a material frame E (804) and a sling buffer component, the material frame E (804) is in a U-shaped structure, there are a plurality of material frames E (804), the plurality of material frames E (804) are arranged side by side at intervals, and a sling buffer component is arranged on the side of each material frame E (804); The sling buffer component comprises: a sling E (803), a steering rod 1 (806), a steering rod 2 (807), a steering rod 3 (808), a fixed rod (809) and a winding control component, wherein the steering rod 1 (806), the steering rod 2 (807), the steering rod 3 (808) and the fixed rod (809) are horizontally fixed on the same side of the material frame E (804), and the steering rod 1 (806), the steering rod 2 (807), the steering rod 3 (808) and the fixed rod (809) are respectively located at the four corners of the U-shaped structure of the material frame E (804), and the steering rod 2 (807) and the steering rod 1 (806) arranged on the same side and up and down are coaxially connected A pulley is connected, the steering rod three (808) and the fixed rod (809) are arranged vertically relative to the steering rod two (807) and the steering rod one (806), one end of the sling E (803) is fixed to the fixed rod (809), the other end of the sling E (803) is passed through the steering rod three (808), the upper pulley of the steering rod two (807) and the upper pulley of the steering rod one (806) in sequence, the other end of the sling E (803) is connected to the winding control component for adjusting the length of the sling E (803), and the sling E (803) between the steering rod two (807) and the steering rod three (808) is used to receive the bar material (13); The winding control component comprises: a reduction motor E (801), a rotating shaft E (802) and a winding wheel (810), wherein the rotating shaft E (802) is horizontally arranged on a side of the material frame E (804) close to the turning rod 1 (806), and the rotating shaft E (802) is arranged parallel to the direction in which the rear pinch roller (12) conveys the bar material (13), and the rotating shaft E (802) is connected to a plurality of material frames E (804) arranged side by side and spaced apart, and the rotating shaft E (802) can be relative to the material frame E ( 804) rotates, one end of the rotating shaft E (802) is connected to the output shaft of the reduction motor E (801) through a coupling, the reduction motor E (801) is fixed relative to the material frame E (804), there are multiple winding wheels (810), the multiple winding wheels (810) are coaxially sleeved and fixed with the rotating shaft E (802) at intervals, the winding wheels (810) correspond to the slings E (803) one by one, and each sling E (803) can be wound onto the corresponding winding wheel (810); A pad is fixed to the bottom of the material frame E (804).

8. The automatic loading and unloading device for bars according to claim 7 is characterized in that: Each material frame E (804) of the finished product sling material frame (8) and the waste opening and closing sling material frame (9) is provided with a guide arm E (805); the guide arm E (805) is fixedly arranged at an inclined position on the upper end of one side of the material frame E (804) facing the rear clamping roller (12); the guide arm E (805) is used to receive the bar material (13) of the previous process; The scrap opening and closing sling material frame (9) is also provided with: a rotating shaft F (901), a bridge arm (902) and an opening and closing driving member, the rotating shaft F (901) is arranged in parallel with the rotating shaft E (802), the rotating shaft F (901) is connected to the upper end of the material frame E (804) of the scrap opening and closing sling material frame (9) away from the rear pinch roller (12), the rotating shaft F (901) can rotate relative to the material frame E (804), and the rotating shaft F (901) is connected with a driving member for driving the rotating shaft F (901) to rotate. The opening and closing driving member is a plurality of bridge arms (902) fixed at intervals on the rotating shaft F (901) and perpendicular to the rotating shaft F (901), the bridge arms (902) being used to cover the upper opening of the material frame E (804) of the waste opening and closing sling material frame (9) so that the rod material (13) crosses the waste opening and closing sling material frame (9) and enters the waste collecting sling material frame (10), or to open the upper opening of the material frame E (804) of the waste opening and closing sling material frame (9) so that the rod material (13) enters the waste opening and closing sling material frame (9); The opening and closing driving member comprises: a lever arm (903), a cylinder F (904) and a cylinder base F (905); one end of the lever arm (903) is fixed to the rotating shaft F (901); the other end of the lever arm (903) is hinged to the end of the piston rod of the cylinder F (904); the cylinder body of the cylinder F (904) is hinged to the cylinder base F (905); and the cylinder base F (905) is fixed relative to the material frame E (804).

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