Novel automatic unloading of going up of rod device
Technical Field
The utility model belongs to the technical field of circular rolling material manufacturing, concretely relates to novel unloading in rod automation device.
Background
The working characteristics of upper and lower bars during flaw detection of the steel bar in a workshop are as follows: the manual feeding and discharging of operators has the following defects: the automatic feeding and discharging device has the advantages of high production cost, more feeding and discharging time, low automation degree, high labor intensity, low working efficiency, high processing noise and the like.
At present, some units independently use the mechanical arm to clamp materials, but the processed materials need to be taken down firstly, then the materials to be processed are grabbed and placed at a processing position, equipment needs to wait for a certain time during feeding and discharging, the processing efficiency cannot be effectively improved, and the price of the mechanical arm is high.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art exists not enough, provides a novel unloading is gone up in rod automation device, realizes the quick unloading of going up of material stick, improves degree of automation, reduces workman intensity of labour.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a novel unloading in automatic of rod device, includes: the device comprises a feeding rack, a material blocking device, a material ejecting device, a rotary feeding mechanism, a front pinch roll, a rear pinch roll, a compression roller assembly, a material shifting mechanism, a finished sling material frame, a waste opening and closing sling material frame and a waste collecting sling material frame, wherein the front pinch roll is arranged at the front end of a steel bar flaw detection device and used for conveying bars to the steel bar flaw detection device, the rear pinch roll is arranged at the rear end of the steel bar flaw detection device and used for receiving the bars output by the steel bar flaw detection device, and the compression roller assembly is arranged above the front pinch roll and the rear pinch roll;
the feeding device comprises a front pinch roll, a rotary feeding mechanism, a feeding rack, a material ejecting device, a material conveying rack, a material pushing device and a material pushing device, wherein the rotary feeding mechanism is arranged on one side of the front pinch roll and is used for horizontally and stably placing bars onto a conveying roller way of the front pinch roll all the time, the feeding rack is obliquely arranged on one side of the rotary feeding mechanism, which is far away from the front pinch roll, and is oblique to the rotary feeding mechanism;
one side of the rear pinch roll is provided with a finished product sling material frame used for containing a non-damaged bar material, the other side of the rear pinch roll is parallelly provided with a waste opening and closing sling material frame and a waste collecting sling material frame which are respectively used for containing an internal injury bar material and an external injury bar material, the rear pinch roll is provided with a material shifting mechanism used for subpackaging the bar materials, and the material shifting mechanism is used for shifting the bar materials which are damaged or not to the corresponding side part of the rear pinch roll. And pulling the undamaged bar stock to one side of the finished product sling material frame, and pulling the damaged bar stock to the other side of the rear pinch roll.
The feeding rack comprises a plurality of strip-shaped racks arranged in parallel, and the strip-shaped racks are perpendicular to the direction of conveying the bar by the front pinch roll. The strip-shaped racks are all obliquely arranged towards the direction of the front pinch roll.
The stock stop includes: the material blocking device comprises a plurality of material blocking blocks, a plurality of driving shafts and a rotary driving piece, wherein the number of the material blocking blocks corresponds to the number of the strip-shaped racks one by one, one side of the upper part of each strip-shaped rack is provided with one material blocking block, the lower end surface of each material blocking block is connected with one driving shaft which is vertically arranged, the driving shafts are connected with the feeding racks and can rotate relative to the feeding racks, the lower ends of the driving shafts are connected with the rotary driving piece, and the rotary driving piece is used for driving the driving shafts to synchronously rotate in a reciprocating manner;
the material blocking block comprises: the long edge, the short edge and the arc-shaped edge are sequentially connected end to form the material blocking block in a surrounding mode, namely the material blocking block is of a quarter-ellipse structure, and the connecting part of the driving shaft and the long edge and the short edge is fixed;
the rotary drive member includes: a rotating arm A, a swing rod and a swing driving piece of the swing rod, wherein the swing rod is horizontally arranged below the feeding rack, the swing rods are vertical to the strip-shaped rack, one end of each swing rod is connected with a swing driving piece of the swing rod for driving the swing rods to horizontally swing in a reciprocating manner, a plurality of rotating arms A are arranged, the number of the rotating arms A is consistent with that of the driving shafts, the lower ends of the driving shafts are connected with the rotating arms A which are horizontally arranged, one end of the rotating arm A is fixed with the driving shaft, the other end of the rotating arm A is hinged with the swing rod, when the swing rod horizontally swings in a reciprocating way, the driving shaft is driven to rotate in a reciprocating way, thereby driving the material blocking block to rotate, the material blocking positions of the material blocking block are different in the rotating process, thereby adjusting the relative positions of the bar stock and the top plate of the material ejecting device, and enabling the top plate of the material ejecting device to eject a single bar stock each time;
the pendulum rod swing driving piece includes: the swing rod comprises a handle, a rocker arm A, a rotating arm B and a speed reducer, wherein one end of the swing rod is hinged to one end of the rotating arm B, the other end of the rotating arm B is fixed to the output end of the speed reducer, one end of the rocker arm A is fixed to the input end of the speed reducer, and the other end of the rocker arm A is connected with the handle.
The below of dam block all is provided with one liftout device, liftout device includes: the guide rod cylinder, the bracket A and the top plate are arranged below the material blocking block, the top plate is of a vertically arranged plate-shaped structure, the length extension direction of the top plate is parallel to the strip-shaped rack, the upper end surface of the top plate adopts an inclined surface structure inclined towards the direction of the front pinch roll, and one end of the top plate close to the front pinch roll is provided with a material blocking hook which protrudes upwards, the position of the top plate is matched with that of the material blocking block, the material blocking block is adjusted to rotate, the distance between the material blocking position and the end part at the same side of the top plate is matched with the diameter of the bar to be jacked, a single bar is jacked at a time so as to disperse the bars which are stacked mutually, the support A is fixed below the top plate, the lower portion of the support A is fixed to the upper end of a piston rod of the guide rod cylinder, and a cylinder body of the guide rod cylinder is fixed to the feeding rack.
The feeding rack, the material blocking device and the material ejecting device are matched to form the bulk material device.
Rotatory feed mechanism is according to the flat principle design of holding in palm of wheatstone, rotatory feed mechanism includes: the automatic feeding device comprises a speed reducing motor A, a motor base A, a rotating shaft A, A, V-shaped supports, swing arms and a flat support control piece, wherein the rotating shaft A is horizontally arranged between the front pinch roll and the feeding rack, the rotating shaft A is parallel to the direction of conveying bars by the front pinch roll, one end of the rotating shaft A is connected with an output shaft of the speed reducing motor A through a coupler, the motor base A is fixed below the speed reducing motor A, the plurality of the supports A are arranged below the rotating shaft A side by side and are connected with bearings of the supports A, the rotating shaft A is uniformly provided with the plurality of swing arms perpendicular to the rotating shaft A, the length of each swing arm is adapted to the distance between the rotating shaft A and the material ejecting device and the front pinch roll, and the swing arms are used for transferring the bars on the material ejecting device to the front pinch roll, one end of each swing arm is fixed with the rotating shaft A, the other end of each swing arm is connected with one V-shaped support, and the V-shaped supports are provided with the flat support control pieces for controlling the V-shaped openings of the V-shaped supports to be upward;
the flat-support control member includes: fixed sprocket, tension sprocket axle, drive sprocket axle and drive chain, the drive sprocket axle with axis of rotation A parallel arrangement, the drive sprocket axle runs through the swing arm is kept away from axis of rotation A's one end, just the drive sprocket axle can be relative the swing arm rotates, the lower extreme that the V type held in the palm with the one end of drive sprocket axle is fixed, the other end coaxial fixation of drive sprocket axle has drive sprocket, fixed sprocket coaxial cover is located axis of rotation A is last, axis of rotation A can rotate fixed sprocket relatively, fixed sprocket is relative support seat A is fixed, tension sprocket set up in fixed sprocket with between the drive sprocket, just fixed sprocket, tension sprocket the axial centerline of drive sprocket is located the coplanar, tension sprocket with the one end coaxial coupling of tension sprocket axle, just tensioning sprocket can be relative tensioning sprocket shaft rotates, tensioning sprocket shaft's the other end with the swing arm is fixed, fixed sprocket with the cover is equipped with the annular between the drive sprocket drive chain, tensioning sprocket is used for the top tightly drive chain thereby will the drive chain tensioning. When the rotating shaft A rotates, the swing arm moves circularly along with the rotating shaft A, the V-shaped port of the V-shaped support is upward under the control of the flat support control part and is used for supporting a bar to be transferred, the swing arm completes one-time circular motion, and the bar is transferred to the front pinch roll from the upper end of the material ejecting device.
The front pinch roll and the rear pinch roll comprise a plurality of pinch roll components, the pinch roll components are sequentially arranged along the bar conveying direction, and the pinch roll components comprise: v type roller, supporting seat B, gear motor B and axis of rotation B, supporting seat B's top level is provided with axis of rotation B, axis of rotation B with bar direction of delivery sets up perpendicularly, axis of rotation B with supporting seat B bearing is connected, V type roller with axis of rotation B is coaxial fixed, axis of rotation B's one end with gear motor B's output shaft passes through the coupling joint, gear motor B is relative supporting seat B is fixed. When the speed reducing motor B is started, the V-shaped roller rotates, and the bar stock placed above the V-shaped roller moves forwards due to friction;
the front pinch roll and the end part of the rear pinch roll, which deviates from the steel bar flaw detection equipment, are fixed with a baffle for protection, and the height of the upper end face of the baffle is higher than that of the pinch roll component, so that the bar can be prevented from slipping off the pinch roll component.
Two pinch roll parts tops that are close to rod iron fault detection equipment all are provided with one the compression roller assembly, the compression roller assembly includes: the device comprises a support C, a lifter, a compression roller cylinder, a compression roller shaft and a roller, wherein the compression roller cylinder is axially and vertically arranged above the V-shaped roller, the support C is fixed above a supporting seat B, the lifter is connected with the support C, the lifter is used for driving a cylinder body of the compression roller cylinder to move up and down, the lower end of a piston rod of the compression roller cylinder is connected with the compression roller shaft which is horizontally arranged, the compression roller shaft can rotate relative to the piston rod of the compression roller cylinder, the compression roller shaft is parallel to a rotating shaft B, the roller is coaxially and fixedly sleeved on the compression roller shaft, and the roller is matched with the V-shaped roller and used for clamping and conveying bars with different specifications and diameters;
the press roll assembly further comprises: the compression roller shaft support comprises an auxiliary support, a fixing sleeve, a guide rod, a connecting plate and a compression roller shaft support, wherein the auxiliary support is fixed with a cylinder body of the compression roller cylinder, the upper end of the fixing sleeve which is axially vertically arranged is fixed with the auxiliary support, the upper end of the guide rod is coaxially sleeved in the fixing sleeve, the guide rod can slide up and down in a reciprocating manner relative to the fixing sleeve, the lower end of the guide rod is fixed with the connecting plate, the connecting plate is fixed with the lower end of a piston rod of the compression roller cylinder, the arrangement of the guide rod can improve the stability and firmness of compression roller assembly, the compression roller shaft support is fixed with the connecting plate, and the end part of the compression roller shaft is connected with a compression roller shaft support bearing;
the elevator comprises: the lower end of the vertically arranged screw rod is connected with the upper end of a cylinder body of the compression roller cylinder, the screw rod can rotate relative to the cylinder body of the compression roller cylinder, the lower end of the screw rod is connected with a bearing at the upper end of the cylinder body of the compression roller cylinder, the screw rod penetrates through the support C, the screw rod is in threaded connection with the support C, the drive gear is axially and horizontally arranged on one side of the screw rod and is meshed with the screw rod, the drive gear is used for driving the screw rod to rotate, the drive gear is coaxially fixed with the rotation shaft C, the rotation shaft C is connected with an output shaft of the motor C through a coupler, and the motor C is fixed with the support C;
the outside of the driving gear is provided with a shell for protection, and the shell is fixed with the support C. The height of the compression roller cylinder is adjusted through the elevator to adapt to the bar with the diameter of the continuous specification, and the bar is compressed through the extension and contraction of a piston rod of the compression roller cylinder.
The material stirring mechanism is two, two the material stirring mechanism sets up side by side, and two the material stirring mechanism set up respectively in the V type roller both sides of back pinch roll, the material stirring mechanism all includes: the device comprises a speed reducing motor D, a shifting claw, a rotating shaft D, a supporting seat D and a motor base D, wherein the rotating shaft D and the back pinch roll are arranged in parallel in the bar conveying direction, the supporting seat D is arranged below the rotating shaft D side by side, the rotating shaft D can rotate relative to the supporting seat D, the rotating shaft D is connected with the supporting seat D through a bearing with a seat, one end of the rotating shaft D is connected with an output shaft of the speed reducing motor D through a coupler, the speed reducing motor D and the motor base D are fixed, the rotating shaft D is uniformly provided with a plurality of shifting claws, the shifting claw is of an equilateral triangle plate-shaped structure and coaxially fixed with the rotating shaft D, three angles of the shifting claw are respectively and fixedly provided with a shifting hook, and the shifting hook facing the V-shaped roll of the back pinch roll can shift the bar on the back pinch roll to the V-shaped roll separated from the back pinch roll, the material shifting hooks of the two material shifting mechanisms are arranged in a mirror surface structure;
three sides of the pusher dog all adopt the arc structure of inside sunken.
The finished product suspender material frame, the waste product suspender material frame that opens and shuts and the waste product collects suspender material frame and all includes: the material frame E is of a U-shaped structure, the material frames E are arranged in a plurality of numbers, the material frames E are arranged side by side at intervals, and one sling buffer component is arranged on the side part of each material frame E;
the harness cushioning member includes: the lifting belt E, a first steering rod, a second steering rod, a third steering rod, a fixed rod and a winding control part, wherein the first steering rod, the second steering rod, the third steering rod and the fixed rod are horizontally fixed on the same side of the material frame E, the first steering rod, the second steering rod, the third steering rod and the fixed rod are respectively positioned at four corners of the EU-shaped structure of the material frame, the second steering rod and the first steering rod which are arranged at the same side and up and down are coaxially connected with pulleys, the third steering rod and the fixed rod are arranged up and down relative to the second steering rod and the first steering rod, one end of the sling E is fixed with the fixed rod, the other end of the sling E sequentially rounds the third steering rod, the upper pulley of the second steering rod and the upper pulley of the first steering rod, the other end of the sling E is connected with the winding control part for adjusting the length of the sling E, and the sling E between the second steering rod and the third steering rod is used for bearing a bar stock; the sling E between the second steering rod and the third steering rod is positioned at the upper part of the opening of the material frame E, the bar falls above the sling E when falling, the sling E has elasticity and can buffer the bar, and the bar does not directly fall into the bottom of the material frame E, so that the noise generated by the height difference of the bar is reduced, the damage of the bar caused by the height difference is avoided, and the product quality is effectively ensured;
the winding control part includes: the material frame E is horizontally arranged on one side, close to the steering rod I, of the material frame E, the rotating shaft E is arranged in parallel with the direction of conveying bars by the rear pinch roll, the rotating shaft E is connected with the material frames E arranged side by side at intervals, the rotating shaft E can rotate relative to the material frames E, the rotating shaft E is connected with a bearing of the material frame E, one end of the rotating shaft E is connected with an output shaft of the decelerating motor E through a coupler, the decelerating motor E is fixed relative to the material frames E, the number of winding wheels is multiple, the winding wheels and the rotating shaft E are coaxially sleeved and fixed at intervals, the winding wheels correspond to the hanging strips E one by one, and each hanging strip E can be wound on the corresponding winding wheel; when the lifting belt E receives the bars, the rotating shaft E rotates to drive the winding wheel to unwind along with the increase of the bars, when the lifting belt E is overlapped with the bottom of the material frame E, the collected bars are taken out, the winding wheel starts to wind, the length of an unwinding part of the lifting belt E is shortened, and the lifting belt E between the second steering rod and the third steering rod is positioned at the upper part of an opening of the material frame E and used for circularly receiving the bars;
and a base plate is fixed at the bottom of the material frame E and is used for further reducing impact caused by falling of the bar stock.
Each material frame E of the finished product sling material frame and the waste opening and closing sling material frame is provided with a guide arm E, the guide arm E which is obliquely arranged is fixed at the upper end of one side, facing the rear pinch roll, of the material frame E, the guide arm E is used for receiving a bar material in the previous process, the guide arm E is inclined towards the material frame E, for example, the guide arm E on the finished product sling material frame rotates along a rotating shaft D after the bar material is pulled away from the rear pinch roll by a pulling claw of a material pulling mechanism, the pulling claw slides downwards along the arc-shaped edge of the pulling claw due to gravity, and the guide arm E is arranged on the downward sliding track of the bar material and is used for receiving the bar material;
the waste opening and closing sling material frame is also provided with: the rotating shaft F is parallel to the rotating shaft E, the rotating shaft F is connected with the upper end of one side, away from the rear pinch roll, of a material frame E of the waste opening and closing sling material frame, the rotating shaft F can rotate relative to the material frame E, the rotating shaft F is connected with the material frame E through a bearing seat, the rotating shaft F is connected with the opening and closing driving piece used for driving the rotating shaft F to rotate, a plurality of bridge arms perpendicular to the rotating shaft F are fixed on the rotating shaft F at intervals, and the bridge arms are used for covering the upper opening of the material frame E of the waste opening and closing sling material frame to enable a bar to cross the waste opening and closing sling material frame to enter the waste collecting sling material frame or opening the upper opening of the material frame E of the waste opening and closing sling material frame to enable the bar to enter the waste opening and closing sling material frame; when the bridge arm is used for covering the upper opening of a material frame E of the waste opening and closing sling material frame to enable a bar to cross the waste opening and closing sling material frame and enter the waste collection sling material frame, the bridge arm is parallel to a downward extending track of a guide arm E of the waste opening and closing sling material frame, so that the bar sliding down from the guide arm E enters the upper part of the bridge arm and further slides into the waste collection sling material frame, when the bridge arm is used for opening the upper opening of the material frame E of the waste opening and closing sling material frame to enable the bar to enter the waste opening and closing sling material frame, one end of the bridge arm facing the rear pinch roller is lifted, the bar 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 a rotating shaft F is driven to rotate through an opening and closing driving piece so as to adjust the state of the bridge arm;
the opening and closing driving member includes: the material frame E is fixed relative to the cylinder base F.
Bar stock of different diameters can be handled to the automatic unloader that goes up of rod, for example, it is shown to enlarger F, when handling bar A that the diameter is less, rotate the material blocking piece, make material blocking piece contact bar A's tip to the roof of liftout device deviate from the horizontal distance a of the one end of preceding pinch roll similar with bar A's diameter, bar A that can guarantee the single jack-up is single, it is same, when handling bar B that the diameter is great, rotate the material blocking piece, make material blocking piece contact bar B's tip to the roof of liftout device deviate from the horizontal distance B of the one end of preceding pinch roll similar with bar B's diameter, bar B that can guarantee the single jack-up is single.
The electric control system comprises a complete set of electric control hardware such as a sensor, a PLC, a frequency converter, a button, an emergency stop switch, a motor, a pneumatic valve and the like. The whole set of sensors is connected in a quick connection mode (containing a magnetic switch) by using an M8 plug. Connecting cables: a FESTO PVR cable, a FESTO PVC cable.
The electrical control system completes the operation control of the flaw detection equipment, and the PLC adopts Siemens. The electric control switch, the contactor, the relay and the like adopt Schneider products. The variable frequency speed regulator adopts Siemens products.
The distance between the electric components in the electric control cabinet is more than or equal to 50mm (except for small relays), any component in the electric control cabinet has a three-dimensional space which can be conveniently overhauled and maintained (including PLC), and all incoming wires have proper allowance (after installation).
All wire connectors are marked clearly by wire numbers and are firmly crimped.
The whole set of control system is designed by adopting STEP7 software, the design is reasonable and standard, the automation degree is high, and the requirement of the control standard is met. The PLC program includes all the device control programs. And a menu is displayed, and related parameters are set. Each PLC module reserves 10% of the I/O points.
The control system effectively controls the material ejecting speed of the material ejecting device, the material feeding speed of the rotary material feeding mechanism, the height of a lifting machine for assembling the compression roller and the processing result and processing analysis of steel bar flaw detection equipment, and whether two material shifting mechanisms arranged side by side are started according to a signal of the flaw detection condition of the bar stock or not, the bar stock is classified and shifted to different directions, the air cylinder F controls the state of a bridge arm according to the internal injury and external injury conditions of the bar stock, and the bar stock with the internal injury and the external injury is classified and placed.
The conveying speed of the roller way can be increased to 2 m/s within 2 seconds, the speed is continuously adjustable, and a frequency converter is adopted for control; the production rhythm was 15 seconds per root.
The control system can be designed by a person skilled in the art according to conventional techniques and is not described in detail.
Compared with the prior art, the utility model following beneficial effect has.
The utility model discloses a set up material loading rack, dam device, liftout device, rotatory feed mechanism, preceding pinch roll, back pinch roll at the excellent steel bar inspection equipment front end, set up at the excellent steel bar inspection equipment rear end and dial material mechanism, finished product suspender material frame, waste product suspender material frame and waste product collection suspender material frame that open and shut, realize the unloading in the automation of material stick, improve degree of automation, reduce workman intensity of labour.
Two, the utility model discloses a be provided with the compression roller assembly above two pinch roll parts that are close to rod bar inspection equipment for the steady business turn over rod bar inspection equipment of bar improves the stability of production process.
Three, the utility model discloses a set up matched with dam device and liftout device, effectual different diameter specification bars that part for different diameter specification bars can single dispersion division, make things convenient for the material loading, improved work efficiency.
Fourthly, the utility model discloses a set up rotatory feed mechanism, accomplish the automatic transfer of bar, improved the degree of mechanization of material loading, reduced workman's intensity of labour.
Five, the utility model discloses a two kickoff mechanisms that set up side by side will have the bar that hinders and do not have the wound to dial to the different lateral parts of back pinch roll and distinguish, and evenly be provided with three kickoff on the pusher dog and collude, reasonable in design is fit for the transfer of bar, sets up finished product suspender material frame, waste product suspender material frame and waste product collection suspender material frame that opens and shuts according to the bar condition of detecting a flaw, with bar automatic classification, has improved work efficiency.
Six, the utility model discloses be provided with suspender buffering part on material frame E, can cushion the bar, and suspender E's length can be according to what of blanking adjust, reduces the bar and directly falls into the high drop of material frame E bottom, has reduced the noise promptly, avoids the bar again because the damage that high drop produced, the effectual product quality of having guaranteed.
Seventhly, the utility model discloses be provided with the bridge arm on waste product suspender material frame that opens and shuts, with the bar product automatic classification of internal injury and traumatism, the practicality is strong.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the automatic feeding and discharging device for bars of the present invention.
Fig. 2 is a C-C direction view of the automatic feeding and discharging device for bars of the present invention.
Fig. 3 is a view of the automatic feeding and discharging device for bars in the utility model from direction a.
Fig. 4 is a view from the direction B of the automatic feeding and discharging device for bars of the present invention.
Fig. 5 is a view in the direction D-D of fig. 2 according to the present invention.
Fig. 6 is a view in the direction E-E of fig. 2 according to the present invention.
Fig. 7 is a view in the direction of I-I of fig. 6 according to the present invention.
Fig. 8 is a schematic structural diagram of the material ejecting device of the present invention.
Fig. 9 is a schematic structural diagram of the material ejecting device of the present invention.
Fig. 10 is a top view of the material blocking device of the present invention.
Fig. 11 is an X-direction view of the material blocking device of the present invention.
Fig. 12 is a sectional view in the direction of a-a of the material blocking device of the present invention.
Fig. 13 is a B-B direction cross sectional view of the material blocking device of the present invention.
Fig. 14 is a schematic structural view of the material blocking block of the present invention.
Fig. 15 is a schematic structural view of the bulk cargo device of the present invention.
Fig. 16 is a schematic structural view of the rotary feeding mechanism of the present invention.
Fig. 17 is a front view of the rotary feeding mechanism of the present invention.
Fig. 18 is a top view of the rotary feeding mechanism of the present invention.
Fig. 19 is a sectional view of the rotary feeding mechanism of the present invention in the direction of a-a.
Fig. 20 is a B-B sectional view of the rotary feeding mechanism of the present invention.
Fig. 21 is a C-C sectional view of the rotary feeding mechanism of the present invention.
Fig. 22 is a front view of the material setting mechanism of the present invention.
Fig. 23 is a top view of the material pushing mechanism of the present invention.
Fig. 24 is a Y-direction view of the material-poking mechanism of the present invention.
Fig. 25 is a schematic structural view of the pusher dog of the material pushing mechanism of the present invention.
Fig. 26 is a schematic structural view of the finished sling material frame of the present invention.
Fig. 27 is a front view of the finished sling material frame of the present invention.
Fig. 28 is an attached view of the finished sling material frame of the present invention.
Fig. 29 is a sectional view of the finished sling material frame of the present invention in the direction of a-a.
Fig. 30 is a B-B cross-sectional view of the sling cushioning member of the finished sling frame of the present invention.
Fig. 31 is a schematic structural view of the waste open-close sling material frame of the present invention.
Fig. 32 is a front view of the waste opening and closing sling frame of the present invention.
Fig. 33 is a top view of the waste open/close sling frame of the present invention.
FIG. 34 is a sectional view of the waste open-close suspender frame in the direction of A-A.
Figure 35 is a front view of the waste collection sling frame of the present invention.
Figure 36 is a top view of the waste collection sling frame of the present invention.
Figure 37 is a cross-sectional view of the waste collection sling frame of the present invention in the direction of a-a.
Fig. 38 is an enlarged view of fig. 3F according to the present invention.
In the figure: 1 is a feeding rack, 101 is a strip-shaped rack, 2 is a material blocking device, 201 is a material blocking block, 2011 is a long side, 2012 is a short side, 2013 is an arc-shaped 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 rod, 208 is a speed reducer, 3 is a material ejecting device, 301 is a guide rod cylinder, 302 is a bracket A, 303 is a top plate, 304 is a material blocking hook, 4 is a rotary feeding mechanism, 401 is a speed reducing motor A, 402 is a motor base A, 403 is a rotating shaft A, 404 is a supporting seat A, 405 is a fixed chain wheel, 406 is a tensioning chain wheel, 407 is a tensioning chain wheel shaft, 408 is a driving chain wheel, 409 is a driving chain wheel shaft, 410 is a V-shaped bracket, 411 is a driving chain, 412 is a swing arm, 5 is a front roller, 501 is a V-shaped roller, 502 is a supporting seat B, 503 is a speed reducing motor B, 504 is a rotating shaft B, 6 is a compression roller assembly, 601 is a motor C, 602 is a support C, 603 is a lifter, 604 is a press roll cylinder, 605 is an auxiliary support, 606 is a guide rod, 607 is a connecting plate, 608 is a press roll shaft, 609 is a roller, 610 is a screw rod, 611 is a rotating shaft C, 612 is a machine shell, 613 is a fixed sleeve, 614 is a press roll shaft support, 7 is a material shifting mechanism, 701 is a reducing motor D, 702 is a shifting claw, 703 is a rotating shaft D, 704 is a support base D, 705 is a motor base D, 706 is a material shifting hook, 8 is a finished sling material frame, 801 is a reducing motor E, 802 is a rotating shaft E, 803 is a sling E, 804 is a material frame E, 805 is a guide arm E, 806 is a steering rod I, 807 is a steering rod II, 808 is a steering rod III, 809 is a fixed rod, 810 is a winding wheel, 9 is a waste open-close sling material frame, 901F, 902 is an over bridge arm, 903 is a shifting arm, 904 is a cylinder F, 905 is a cylinder base F, 10 is a waste collection sling material frame, 11 is steel bar flaw detection equipment, 12 is a rear pinch roll, 13 is a bar stock, 1301 is a bar stock A, 1302 is a bar stock B, and 14 is a baffle.
Detailed Description
The following is a further description with reference to specific examples.
The utility model provides a novel unloading in automatic of rod device, includes: the automatic feeding device comprises a feeding rack 1, a material blocking device 2, a material ejecting device 3, a rotary feeding mechanism 4, a front pinch roller 5, a rear pinch roller 12, a compression roller assembly 6, a material stirring mechanism 7, a finished product sling material frame 8, a waste opening and closing sling material frame 9 and a waste collecting sling material frame 10, wherein the front pinch roller 5 is arranged at the front end of a steel bar flaw detection device 11 and used for conveying bars 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 and used for receiving the bars 13 output by the steel bar flaw detection device 11, and the compression roller assembly 6 is arranged above the front pinch roller 5 and the rear pinch roller 12;
the rotary feeding mechanism 4 is arranged on one side of the front pinch roll 5, the rotary feeding mechanism 4 is used for placing bars 13 onto the front pinch roll 5, the feeding rack 1 is obliquely arranged on one side, away from the front pinch roll 5, of the rotary feeding mechanism 4, the feeding rack 1 is oblique to the rotary feeding mechanism 4, the feeding rack 1 is connected with the material blocking device 2 used for separating the bars 13 with different diameters and specifications, the material ejecting device 3 is arranged below the material blocking device 2, the material ejecting device 3 is connected with the feeding rack 1, and the material ejecting device 3 is used for scattering the bars stacked mutually;
the finished product sling material frame 8 used for containing a non-damaged bar 13 is arranged on one side of the rear pinch roll 12, the waste opening and closing sling material frame 9 and the waste collecting sling material frame 10 which are respectively used for containing an internal injury bar 13 and an external injury bar 13 are arranged on the other side of the rear pinch roll 12 in parallel, the material shifting mechanism 7 used for subpackaging the bar 13 is arranged at the position of the rear pinch roll 12, and the material shifting mechanism 7 is used for shifting the damaged bar 13 to the corresponding side portion of the rear pinch roll 12. Namely, the undamaged bar stock 13 is pulled to one side of the finished sling material frame 8, and the damaged bar stock 13 is pulled to the other side of the rear pinch roll 12.
The feeding rack 1 comprises a plurality of strip-shaped racks 101 which are arranged in parallel, and the strip-shaped racks 101 are perpendicular to the direction of conveying the bar 13 by the front pinch roll 5. The strip-shaped racks 101 are all obliquely arranged towards the direction of the front pinch roll 5.
The dam device 2 includes: the material blocking device comprises a plurality of material blocking blocks 201, a plurality of driving shafts 202 and a rotary driving piece, wherein the material blocking blocks 201 can be arranged in 6 groups, the number of the material blocking blocks 201 corresponds to the number of the strip-shaped racks 101 one by one, one material blocking block 201 is arranged on one side of the upper part of each strip-shaped rack 101, the lower end surface of each material blocking block 201 is connected with one driving shaft 202 which is vertically arranged, the driving shafts 202 are connected with the feeding rack 1, the driving shafts 202 can rotate relative to the feeding rack 1, the lower end of each driving shaft 202 is connected with the rotary driving piece, and the rotary driving piece is used for driving the driving shafts 202 to synchronously rotate in a reciprocating manner;
the dam block 201 includes: the material blocking block 201 is formed by sequentially connecting and enclosing a long edge 2011, a short edge 2012 and an arc edge 2013 end to end, namely the material blocking block 201 is of a quarter-oval structure, and the joint of the driving shaft 202 and the long edge 2011 and the short edge 2012 is fixed;
the rotary drive member includes: the feeding device comprises a rotating arm A203, a swinging rod 207 and a swinging rod driving part, wherein the swinging rod 207 is horizontally arranged below the feeding rack 1, the swinging rod 207 is vertical to the strip-shaped rack 101, one end of the swinging rod 207 is connected with the swinging rod driving part for driving the swinging rod 207 to horizontally swing in a reciprocating manner, a plurality of rotating arms A203 are arranged, the number of the rotating arms A203 is consistent with that of the driving shafts 202, the lower end of each driving shaft 202 is connected with one horizontally arranged rotating arm A203, one end of each rotating arm A203 is fixed with the driving shaft 202, the other end of each rotating arm A203 is hinged with the swinging rod 207, the driving shafts 202 are driven to rotate in a reciprocating manner when the swinging rods 207 horizontally swing in a reciprocating manner, so that the material blocking block 201 is driven to rotate, the material blocking positions of the material blocking block 201 in the rotating process are different, and the relative positions of a bar stock 13 and a top plate 303 of the material ejecting device 3 are adjusted, so that the top plate 303 of the material ejecting device 3 ejects a single bar 13 at a time;
the pendulum rod swing driving piece includes: the swing arm comprises a handle 204, a rocker arm A205, a rotating arm B206 and a speed reducer 208, wherein one end of the swing rod 207 is hinged with one end of the rotating arm B206 which is horizontally arranged, the other end of the rotating arm B206 is fixed with the output end of the speed reducer 208, one end of the rocker arm A205 is fixed with the input end of the speed reducer 208, and the other end of the rocker arm A205 is connected with the handle 204.
The below of dam 201 all is provided with one liftout device 3, liftout device 3 includes: the guide rod air cylinder 301, the support A302 and the top plate 303, the top plate 303 is arranged below the material blocking block 201, the top plate 303 is of a vertically arranged plate-shaped structure, the length extension direction of the top plate 303 is parallel to the strip-shaped rack 101, the upper end face of the top plate 303 adopts an inclined plane structure inclined towards the direction of the front pinch roll 5, one end, close to the front pinch roll 5, of the top plate 303 is provided with a material blocking hook 304 protruding upwards, the top plate 303 and the material blocking block 201 are adapted to each other in position, the material blocking block 201 is adjusted to rotate, the material blocking position of the material blocking block is adapted to the distance between the end part and the diameter of the bar 13 to be jacked on the same side of the top plate 303, a single bar 13 is jacked up once, so that the bars stacked mutually are scattered, the support A302 is fixed below the top plate 303, and the upper end of the piston rod of the guide rod air cylinder 301 are fixed below the support A302, the cylinder body of the guide rod cylinder 301 is fixed with the feeding rack 1.
The rotary feed mechanism 4 includes: the device comprises a speed reducing motor A401, a motor base A402, a rotating shaft A403, a supporting seat A404, a V-shaped support 410, a swinging arm 412 and a flat support control piece, wherein the rotating shaft A403 is horizontally arranged between the front pinch roll 5 and the feeding rack 1, the rotating shaft A403 is parallel to the direction of conveying the bar 13 by the front pinch roll 5, one end of the rotating shaft A403 is connected with an output shaft of the speed reducing motor A401 through a coupler, the motor base A402 is fixed below the speed reducing motor A401, the supporting seats A404 are arranged below the rotating shaft A403 in parallel, the rotating shaft A403 is in bearing connection with the supporting seat A404, a plurality of swinging arms 412 vertical to the rotating shaft A403 are uniformly arranged on the rotating shaft A403, the length of each swinging arm 412 is adapted to the distance between the rotating shaft A403 and the ejection device 3 and the front pinch roll 5, and the swinging arms 412 are used for transferring the bar 13 on the ejection device 3 to the front pinch roll 5, one end of the swing arm 412 is fixed with the rotating shaft A403, the other end of the swing arm 412 is connected with one V-shaped support 410, and the V-shaped supports 410 are provided with the flat support control members for controlling the V-shaped openings of the V-shaped supports to be upward;
the flat-support control member includes: fixed sprocket 405, tension sprocket 406, tension sprocket shaft 407, drive sprocket 408, drive sprocket shaft 409 and drive chain 411, drive sprocket shaft 409 with axis of rotation A403 parallel arrangement, drive sprocket shaft 409 runs through swing arm 412 is kept away from the one end of axis of rotation A403, just drive sprocket shaft 409 can be relative swing arm 412 rotates, the lower extreme that the V type held in the palm 410 with the one end of drive sprocket shaft 409 is fixed, the other end coaxial fixed of drive sprocket shaft 409 has drive sprocket 408, the coaxial cover of fixed sprocket 405 is located on axis of rotation A403, axis of rotation A403 can rotate fixed sprocket 405 relatively, fixed sprocket 405 is relative support seat A404 is fixed, tension sprocket 406 set up in fixed sprocket 405 with between drive sprocket 408, just fixed sprocket 405, tension sprocket 406, the axial centerline of drive sprocket 408 is located the coplanar, the tension sprocket 406 is coaxially connected with one end of the tension sprocket shaft 407, and the tension sprocket 406 can rotate relative to the tension sprocket shaft 407, the other end of the tension sprocket shaft 407 is fixed to the swing arm 412, the fixed sprocket 405 is sleeved with the annular transmission chain 411 between the transmission sprockets 408, and the tension sprocket 406 is used for tightly pushing the transmission chain 411 so as to tension the transmission chain 411. When the rotating shaft A403 rotates, the swing arm 412 makes circular motion along with the rotating shaft A403, the V-shaped opening of the V-shaped support 410 faces upwards under the control of the flat support control element to support the bar 13 to be transferred, and the swing arm 412 completes one circular motion to transfer one bar 13 to the front pinch roll 5 from the upper end of the material ejecting device 3.
The front pinch roll 5 and the rear pinch roll 12 both comprise a plurality of pinch roll parts, the pinch roll parts are sequentially arranged along the conveying direction of the bar 13, and the pinch roll parts comprise: the device comprises a V-shaped roller 501, a supporting seat B502, a speed reduction motor B503 and a rotating shaft B504, wherein the rotating shaft B504 is horizontally arranged above the supporting seat B502, the rotating shaft B504 is perpendicular to the conveying direction of the bar 13, the rotating shaft B504 is in bearing connection with the supporting seat B502, the V-shaped roller 501 is coaxially fixed with the rotating shaft B504, one end of the rotating shaft B504 is connected with an output shaft of the speed reduction motor B503 through a coupler, and the speed reduction motor B503 is fixed relative to the supporting seat B502. When the speed reducing motor B503 is started, the V-shaped roller 501 rotates, and the bar 13 placed above the V-shaped roller 501 moves forwards due to friction force;
the front pinch roll 5 and the end part of the rear pinch roll 12 departing from the steel bar flaw detection equipment 11 are both fixed with a baffle 14 for protection, and the height of the upper end face of the baffle 14 is higher than that of the pinch roll component, so that the bar 13 is prevented from slipping off the pinch roll component.
The front pinch roll 5 and the rear pinch roll 12 are both provided with 15 groups of pinch roll components, and the 15 groups of pinch roll components are more dense as being closer to the steel bar flaw detection equipment 11.
All be provided with one above two pinch roll parts near rod iron fault detection equipment 11 compression roller assembly 6, compression roller assembly 6 includes: the device comprises a support C602, a lift 603, a compression roller cylinder 604, a compression roller shaft 608 and a roller 609, wherein the compression roller cylinder 604 is axially and vertically arranged above the V-shaped roller 501, the support C602 is fixed above the support seat B502, the lift 603 is connected with the support C602, the lift 603 is used for driving a cylinder body of the compression roller cylinder 604 to move up and down, the compression roller shaft 608 which is horizontally arranged is connected to the lower end of a piston rod of the compression roller cylinder 604, the compression roller shaft 608 can rotate relative to the piston rod of the compression roller cylinder 604, the compression roller shaft 608 is parallel to the rotating shaft B504, the roller 609 is coaxially and fixedly sleeved on the compression roller shaft 608, and the roller 609 is matched with the V-shaped roller 501 for clamping and conveying bars 13 with different specifications and diameters;
the press roll assembly 6 further comprises: the auxiliary support 605 is fixed with the cylinder body of the compression roller cylinder 604, the upper end of the fixing sleeve 613 which is vertically arranged in the axial direction is fixed with the auxiliary support 605, the upper end of the guide rod 606 is coaxially sleeved inside the fixing sleeve 613, the guide rod 606 can slide up and down in a reciprocating manner relative to the fixing sleeve 613, the lower end of the guide rod 606 is fixed with the connecting plate 607, the connecting plate 607 is fixed with the lower end of the piston rod of the compression roller cylinder 604, the arrangement of the guide rod 606 can increase the stability and firmness of the compression roller assembly 6, the compression roller shaft support 614 is fixed with the connecting plate 607, and the end part of the compression roller shaft 608 is in bearing connection with the compression roller shaft support 614;
the lifter 603 includes: the lower end of the vertically arranged screw rod 610 is connected with the upper end of a cylinder body of the pressing roller cylinder 604, the screw rod 610 can rotate relative to the cylinder body of the pressing roller cylinder 604, the lower end of the screw rod 610 is connected with an upper end bearing of the cylinder body of the pressing roller cylinder 604, the screw rod 610 penetrates through the support C602, the screw rod 610 is in threaded connection with the support C602, the driving gear is axially and horizontally arranged on one side of the screw rod 610 and is meshed with the screw rod 610, the driving gear is used for driving the screw rod 610 to rotate and is coaxially fixed with the rotating shaft C611, the rotating shaft C611 is connected with an output shaft of the motor C601 through a coupler, and the motor C601 is fixed with the support C602;
a shell 612 for protection is arranged outside the driving gear, and the shell 612 is fixed with the bracket C602. The height of the press roller cylinder 604 is adjusted by the lifter 603 to adapt to the bar 13 with the diameter of the continuous specification, and the bar 13 is compressed by the piston rod of the press roller cylinder 604 in a telescopic mode.
The material poking mechanisms 7 are two, the material poking mechanisms 7 are arranged side by side, the material poking mechanisms 7 are respectively arranged on two sides of the V-shaped roller 501 of the rear pinch roll 12, and the material poking mechanisms 7 respectively comprise: the device comprises a reducing motor D701, shifting claws 702, a rotating shaft D703, a supporting seat D704 and a motor base D705, wherein the rotating shaft D703 and the rear pinch roll 12 are arranged in parallel in the direction of conveying bars 13, the supporting seat D704 is arranged below the rotating shaft D703 in parallel, the rotating shaft D703 can rotate relative to the supporting seat D704, the rotating shaft D703 and the supporting seat D704 are connected through a bearing with a seat, one end of the rotating shaft D703 is connected with an output shaft of the reducing motor D701 through a coupler, the reducing motor D701 and the motor base D705 are fixed, the rotating shaft D703 is uniformly provided with a plurality of shifting claws 702, the shifting claws 702 adopt an equilateral triangle plate-shaped structure, the shifting claws 702 and the rotating shaft D703 are coaxially fixed, three angles of the shifting claws 702 are respectively fixed with a shifting hook 706, and the shifting hook 706 facing to a V-shaped roll 501 of the rear pinch roll 12 can enable the bars 13 on the rear pinch roll 12 to be separated from the shifting roll 12 The two material shifting hooks 706 of the material shifting mechanism 7 are arranged in a mirror structure;
three sides of the pusher dog 702 all adopt an inwardly concave arc-shaped structure.
Finished product suspender material frame 8 the waste product suspender material frame 9 that opens and shuts and waste product collection suspender material frame 10 all includes: the material frame E804 is of a U-shaped structure, the material frames E804 are multiple, the multiple material frames E804 are arranged side by side at intervals, and one sling buffer component is arranged on the side of each material frame E804;
the harness cushioning member includes: a sling E803, a first steering rod 806, a second steering rod 807, a third steering rod 808, a fixing rod 809 and a winding control component, wherein the first steering rod 806, the second steering rod 807, the third steering rod 808 and the fixing rod 809 are horizontally fixed on the same side of the material frame E804, the first steering rod 806, the second steering rod 807, the third steering rod 808 and the fixing rod 809 are respectively positioned at four corners of the material frame E804U type structure, pulleys are coaxially connected on the second steering rod 807 and the first steering rod 806 which are arranged on the same side and above and below, the third steering rod 808 and the fixing rod 809 are arranged above and below the second steering rod 807 and the first steering rod 806 relatively, one end of the sling E803 is fixed with the fixing rod 809, the other end of the sling E803 sequentially passes through the third steering rod 808, the pulleys on the second steering rod 807 and the pulley on the first steering rod 806, the other end 803 of the sling E is connected with the winding control component for adjusting the length of the sling E, a sling E803 between the second steering rod 807 and the third steering rod 808 is used for receiving the bar stock 13; the sling E803 between the second steering rod 807 and the third steering rod 808 is positioned at the upper part of the opening of the material frame E804, the bar 13 falls above the sling E803 when falling, the sling E803 has elasticity and can buffer the bar 13, and the bar 13 does not directly fall to the bottom of the material frame E804, so that the noise of the bar 13 caused by height difference is reduced, the damage of the bar 13 caused by height difference is avoided, and the product quality is effectively ensured;
the winding control part includes: the material frame E804 is horizontally arranged on one side, close to the first steering rod 806, of the material frame E802, the rotating shaft E802 is arranged in parallel with the direction in which the rear pinch roll 12 conveys the bar 13, the rotating shaft E802 is connected with the material frames E804 which are arranged side by side at intervals, the rotating shaft E802 can rotate relative to the material frame E804, the rotating shaft E802 is in bearing connection with the material frame E804, one end of the rotating shaft E802 is connected with an output shaft of the rotating shaft E801 through a coupler, the rotating shaft E801 is fixed relative to the material frame E804, the winding wheels 810 are multiple, the winding wheels 810 are coaxially sleeved and fixed with the rotating shaft E802 at intervals, the winding wheels 810 correspond to the hanging strips E803 one by one, and each hanging strip E803 can be wound on the corresponding winding wheel 810; when the sling E803 receives the bar 13, the rotating shaft E802 rotates to drive the winding wheel 810 to unwind along with the increase of the bar 13, when the sling E803 is overlapped with the bottom of the material frame E804, the collected bar 13 is taken out, the winding wheel 810 starts to wind, the length of the unwinding part of the sling E803 is shortened, and the sling E803 between the two turning rods 807 and the three turning rods 808 is positioned at the upper part of the opening of the material frame E804 for circularly receiving the bar 13;
and a backing plate is fixed at the bottom of the material frame E804 and is used for further reducing the impact caused by the falling of the bar stock 13.
Each material frame E804 of the finished sling material frame 8 and the waste opening and closing sling material frame 9 is provided with a guide arm E805, the guide arm E805 which is obliquely arranged is fixed at the upper end of one side of the material frame E804 facing the rear pinch roll 12, the guide arm E805 is used for receiving the bar 13 in the previous process, the guide arm E805 is inclined towards the material frame E804, for example, the guide arm E805 on the finished sling material frame 8, when the bar 13 is pulled away from the rear pinch roll 12 by a pulling claw 702 of the material pulling mechanism 7, the pulling claw 702 rotates along a rotating shaft D703, the bar 13 slides downwards along an arc-shaped edge of the pulling claw 702 due to gravity, and the guide arm E805 is arranged on a downward sliding track of the bar 13 and used for receiving the bar 13;
the waste product opening and closing hanging strip material frame 9 is also provided with: a rotating shaft F901, a bridge arm 902 and an opening and closing driving piece, wherein the rotating shaft F901 is arranged in parallel with the rotating shaft E802, the rotating shaft F901 is connected with the upper end of one side of the material frame E804 of the waste opening and closing sling material frame 9, which deviates from the rear pinch roll 12, the rotating shaft F901 can rotate relative to the material frame E804, the rotating shaft F901 is connected with the material frame E804 through a bearing seat, the rotating shaft F901 is connected with the opening and closing driving member for driving the rotating shaft F901 to rotate, a plurality of bridge arms 902 perpendicular to the rotating shaft F901 are fixed on the rotating shaft F901 at intervals, the bridge arm 902 is used for covering the upper opening of a material frame E804 of the waste opening and closing sling material frame 9 so that a bar 13 crosses the waste opening and closing sling material frame 9 to enter the waste collecting sling material frame 10 or is used for opening the upper opening of the material frame E804 of the waste opening and closing sling material frame 9 so that the bar 13 enters the waste opening and closing sling material frame 9; when the bridge arm 902 is used for covering the upper opening of the frame E804 of the waste opening and closing sling material frame 9 so that the bar 13 crosses the waste opening and closing sling material frame 9 and enters the waste collection sling material frame 10, the bridge arm 902 is parallel to the downward extending track of the guide arm E805 of the waste opening and closing sling material frame 9, so that the bar 13 sliding down from the guide arm E805 enters over the bridge arm 902 and slides further into the scrap collecting sling frame 10, when the bridge arm 902 is used for opening the upper opening of a material frame E804 of the waste opening and closing sling material frame 9 so that a bar 13 enters the waste opening and closing sling material frame 9, the bridge arm 902 is lifted towards one end of the rear pinch roll 12, so that the bar stock 13 slid down from the guide arm E805 of the scrap opening and closing sling stock frame 9 directly enters the scrap opening and closing sling stock frame 9, the rotating shaft F901 is driven to rotate by an opening and closing driving piece so as to adjust the state of the bridge arm 902;
the opening and closing driving member includes: the material frame comprises a shifting arm 903, a cylinder F904 and a cylinder base F905, wherein one end of the shifting arm 903 is fixed with the rotating shaft F901, the other end of the shifting arm 903 is hinged to the end part of a 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.
The feeding and discharging device can process bars 13 with different diameters, for example, an enlarged F view is shown, when a bar A1301 with a small diameter is processed, the stop block 201 is rotated, the horizontal distance a from the end part of the stop block 201 contacting the bar A1301 to the end, deviating from the front pinch roll 5, of the top plate 303 of the ejecting device 3 is similar to the diameter of the bar A1301, namely, the bar A1301 lifted at a single time is single, similarly, when a bar B1302 with a large diameter is processed, the stop block 201 is rotated, the horizontal distance B from the end part of the stop block 201 contacting the bar B1302 to the end, deviating from the front pinch roll 5, of the top plate 303 of the ejecting device 3 is similar to the diameter of the bar B1302, and the bar B1302 lifted at a single time is single.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it will be appreciated that those skilled in the art, upon attaining an understanding of the foregoing may readily produce alterations to, variations of, and equivalents to these embodiments without departing from the spirit and scope of the present invention as defined by the appended claims.