CN116810407B - Long-size metal coil pipe coping finishing production system - Google Patents

Abstract

The invention discloses a long-size metal coil grinding and finishing production system, which belongs to the technical field of stainless steel tube blank grinding. The furnace discharging platform is used to accept and stack the tube blanks that have been heated and perforated by the furnace; a transition platform is arranged at an angle The function of the frame, material dialing and blocking mechanism transports the tube blanks on the transition stand to the feeding device one by one; the front pinch roller device clamps and feeds the tube blanks, and guides and positions the tube blanks into the straightening machine. ; The straightening machine straightens the tube blank; the surface milling machine mills away the iron oxide scale on the surface of the tube blank; the rear pinch roller device clamps the milled tube blank and sends it to the discharging device; the discharging device holds The tube blank after milling. The invention connects the furnace discharge stand, feed roller, front pinch roller device, straightening machine, milling machine, rear pinch roller device, and discharge device into a production line through the sequential arrangement, so that the stainless steel pipe blanks can be repaired. Grinding and finishing form a complete automated processing system, which improves the processing efficiency of steel pipes.

Description

A production system for grinding and finishing long-sized metal coils

Technical field

The invention relates to the technical field of stainless steel tube blank grinding, and in particular to a long-size metal coil grinding and finishing production system.

Background technique

The production lines of metal coils mostly use the methods of continuous ingot casting, grinding and finishing, planetary rolling, continuous drawing, online induction annealing, and coiling to produce coils. In this production method, the grinding and finishing production system trims the oxide scale on the surface of the ingot, removes vibration marks, cracks, oxide scale and other defects on the surface of the tube blank, and provides a metal tube blank with a smooth surface for the subsequent rolling process. The cyclone milling machine used in the traditional grinding and finishing production system has problems such as the inability to achieve precise positioning, excessive milling, flying waste, and the inability to adapt to the trimming of tube blanks of different specifications. Moreover, the traditional grinding and finishing production system The system's automatic loading mechanism has an unstable structure, and the discharging system relies on manual operation, resulting in low production efficiency.

Contents of the invention

In order to solve the shortcomings and shortcomings of the existing technology, a long-size metal coil grinding and finishing production system is provided, which optimizes the automatic feeding device and can realize stable feeding of long-size metal coils. The pipe included in the present invention The billet surface modification device can accurately position the tube blank and perform 360° circumferential milling on the tube blank, which can realize the recovery of waste chips. It is also equipped with an adjustment device to adjust the relative position of the driven wheel and the milling cutter disc. Adjust to suit different specifications of tube blanks. It also includes an automatic loading and discharging system, which can automatically discharge the finished tube blanks into the material frame, greatly reducing labor costs and improving production efficiency.

In order to achieve the purpose of the present invention, a long-size metal coil grinding and finishing production system is provided, which includes a furnace discharging stand, a feeding device, a front pinch roller device, a straightening machine, and a furnace discharging stand arranged in sequence according to the direction of the tube blank. Face milling machine, rear pinch roller device, and discharging device. The furnace discharging stand is used to receive and stack the tube blanks that have been heated and perforated by the furnace. The feeding device includes a bottom frame and a transition stand. A plurality of transmission rollers are arranged in parallel on the bottom frame. The transition platform is arranged at an angle between the furnace discharging platform and the feeding device. A structure is provided below the transmission roller to move the tube blank on the transmission roller to the transition stage. The material shifting mechanism on the platform. The end of the transition platform is provided with a material blocking mechanism. The material blocking mechanism is used to transport the tube blanks on the transition platform to the feeding device one by one. The front pinch roller device is It is used to clamp and feed the tube blank, and guide and position the tube blank into the straightening machine; the straightening machine is used to straighten the tube blank; the surface milling machine is used to mill the cooled tube blank Iron oxide scale on the surface; the rear pinch roller device is used to clamp the milled tube blank and send it to the discharging device; the discharging device is used to hold the milled tube blank.

As a further improvement of the above solution, the material-picking mechanism includes a material-picking cylinder, a first dialing claw and a first long axis. The material-picking cylinder is located below the transmission roller, and the lower end is hinged with the chassis. The first The long shaft is installed on the chassis through the bearing seat. The first shifting claw is fixedly arranged on the first long shaft, and there are multiple ones. The rotation center of the first shifting claw is consistent with the center of the first long shaft. The axes are collinear, and the piston rod of the material-discharging cylinder is hinged with a first crank, and the first crank is connected to the first long axis.

As a further improvement of the above solution, the blocking mechanism includes a blocking cylinder and a connecting rod mechanism. The blocking cylinder and the connecting rod mechanism are located under the transition platform. The blocking cylinder is hinged on the side wall of the feeding device. , the blocking cylinder drives the connecting rod mechanism to feed the tube blanks to the feeding device one by one.

As a further improvement of the above solution, the connecting rod mechanism includes a mounting seat and a second crank. The mounting seat is fixed to the side wall of the feeding device. The second crank is hinged to the end of the piston rod of the blocking cylinder. The second crank is fixedly connected to the second long axis, and a triangular plate is fixedly connected to the second long axis. A front gear lever and a rear gear lever are hingedly connected to the triangular plate. The front gear lever and the rear gear lever are both composed of a fixed tube and a It consists of a movable rod, the movable rod is movably inserted into the fixed cylinder, the feeding device is equipped with a blocking rod support, and the blocking rod support is provided with two slots corresponding to the two movable rods, and The distance between the two slots is between one tube blank diameter and two tube blank diameters.

As a further improvement of the above solution, the face milling machine is composed of a motor, a belt transmission system, a face milling mechanism, and a chip removal mechanism. The face milling mechanism includes a casing, and a swivel is installed in the casing through a bearing. The rotating body is driven by the above-mentioned motor and belt transmission system (specifically, the motor drives the pulley on the main shaft of the motor to rotate in the surface milling machine, and the belt drives the second gear shaft bonded with the pulley on the surface milling mechanism to rotate. The second gear shaft is connected to the pulley on the surface milling mechanism. The first gear constitutes a gear transmission system, thereby driving the swivel that is bonded with the first gear to rotate). Three L-shaped bearing seats are installed inside the swivel body at 120° (the long axis end of the L-shaped bearing seat is in contact with the swivel body). The body is fixedly connected. Specifically, the long axis end of the L-shaped bearing seat is inserted into the rotating body. The L-shaped bearing seat and the rocker arm, passive wheel, etc. installed inside can revolve around the center of the long axis end of the L-shaped bearing seat. Axis rotation), an internal ring gear is fixed on the housing, and the internal ring gear meshes and drives three rocker arms with a first gear shaft (the rocker arms can rotate around the axis of the first gear shaft, thereby achieving three-axis rotation). The position of the driven wheel can be adjusted to adapt to tube blanks of different diameters), the rocker arm is fastened to the end face of the L-shaped bearing seat (the rocker arm is fixedly connected to the end face of the L-shaped bearing seat through bolts), the The short axis end of the L-shaped bearing seat is provided with a driven wheel and a milling cutter disc, and the outer periphery of the driven wheel is provided with fish scale patterns. The rotation of the swivel will drive the first gear shaft in the rocker arm to rotate along the internal ring gear. The rotation of the first gear shaft in the rocker arm will drive the shaft connected to the driven wheel through bolts to rotate. There are fish scales on the outer circumference of the driven wheel. , when rotating along the tube blank, the oxidized skin on the surface of the tube blank will be rolled loose and fall off. That is, under the driving of the rotating body, the second gear keyed on the first gear shaft drives the first gear shaft to rotate by meshing with the internal ring gear, and the third gear and shaft meshed with the first gear shaft will also rotate accordingly. , so that the passive wheel-rolling of the surface of the tube blank can be achieved, and the iron oxide scale on the surface of the tube blank can be loosened and peeled off.

As a further improvement of the above solution, the end of the inner wall of the rotor is provided with multiple steel brushes that are in contact with the outer surface of the tube blank. Two push rods for adjusting the deflection angle of the driven wheel are arranged on both sides of the short shaft end of the L-shaped bearing seat. The axes of the two push rods are parallel and spaced apart. Two supports are provided on the end face of the rotor. The external threads on the surface of the two ejector rods match the threaded holes on the support, and the two ejector rods are equipped with a locking nut respectively. The relative position of the push rod is adjusted by locking the nut, thereby adjusting the relative position of the driven wheel. The two ejector pins work together to adjust the position of the driven wheel to achieve milling of tube blanks of different diameters.

As a further improvement of the above solution, the chip removal mechanism includes a hopper and a drawer. The hopper is used to collect waste chips splashed in the working area of the milling machine. The inner wall of the hopper is inclined, and the drawer is arranged on the side of the hopper. below. The fallen oxidized skin will be collected through the collecting hopper, and finally the fallen oxidized skin will slide along the inner wall of the collecting hopper and into the drawer below.

As a further improvement of the above solution, the feeding device and the discharging device are both equipped with multiple conveying rollers, and the multiple conveying rollers are connected through roller chain transmission, and the conveying rollers are driven by a driving motor and a sprocket.

As a further improvement of the above solution, the discharging device is also provided with an automatic unloading mechanism for moving the tube blank into the material frame. The automatic unloading mechanism includes a unloading cylinder, a second claw and a swing frame. , the swing frame is tilted between the material frame and the discharging device, the unloading cylinder is located below the conveying roller, and is hinged with the cylinder base and fixed on the base, and the piston rod of the unloading cylinder One end is connected to the cylinder joint, and the other end of the cylinder joint is connected to the connecting rod and the second finger. The second finger is installed on the base by matching with the bearing seat. The unloading cylinder pushes the connecting rod forward and lifts the connecting rod hinged to the cylinder joint. The connecting rod is connected with the second finger. When the connecting rod is lifted, the second finger is also lifted. The top of the second claw is provided with a certain inclination angle. When the second claw is lifted, the tube blank is separated from the conveying roller and rolls into the material frame along the swing frame.

The beneficial effects of the present invention are:

Compared with the existing technology, the present invention provides a long-size metal coil grinding and finishing production system, which is used to receive and stack the tube blanks after being heated and perforated by the furnace through the furnace discharging platform; through the inclined transition The function of the platform, the material shifting mechanism, and the material blocking mechanism transports the tube blanks on the transition platform to the feeding device one by one; the front pinch roller device is used to clamp and feed the tube blanks, and to enter the tube blanks into the straightening machine. For guidance and positioning; the straightening machine is used to straighten the tube blank; the milling machine is used to mill away the iron oxide scale on the surface of the cooled tube blank; the rear pinch roller device is used to clamp the milled tube blank , sent to the discharging device; the discharging device is used to hold the milled tube blanks. The furnace discharge stand, feed roller table, front pinch roller device, straightener, milling machine, rear pinch roller device, and discharge device are connected in sequence to form a production line, so that the stainless steel tube blanks can be finely ground. It has been integrated into a complete automated processing system to further improve the processing efficiency of steel pipes.

Description of the drawings

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, wherein:

Figure 1 is a front view of the present invention;

Figure 2 is a top view of Figure 1;

Figure 3 is a front view of the furnace discharging platform and feeding device of the present invention;

Figure 4 is a top view of Figure 3

Figure 5 is a cross-sectional view along line A-A of Figure 4;

Figure 6 is a B-B cross-sectional view of Figure 4;

Figure 7 is a front view of the feeding device of the present invention;

Figure 8 is a top view of Figure 7;

Figure 9 is a cross-sectional view along line A-A of Figure 7;

Figure 10 is the D-direction view of Figure 7;

Figure 11 is a schematic structural diagram of the face milling machine of the present invention;

Figure 12 is a schematic structural diagram of the face milling machine at the second angle of the present invention;

Figure 13 is a B-B cross-sectional view of Figure 12;

Figure 14 is a schematic structural diagram of the surface milling machine at the third angle of the present invention;

Figure 15 is a schematic structural diagram of the K direction in Figure 14;

Figure 16 is a schematic structural diagram of the surface milling machine at the fourth angle of the present invention;

Figure 17 is a cross-sectional view along line A-A of Figure 16;

Figure 18 is a schematic structural diagram of the face milling machine at the fifth angle of the present invention;

Figure 19 is a front view of the discharging device of the present invention;

Figure 20 is a top view of Figure 19;

Figure 21 is a cross-sectional view along line A-A of Figure 19;

Figure 22 is a B-B cross-sectional view of Figure 19;

Figure 23 is a C-C cross-sectional view of Figure 19;

Figure 24 is a schematic structural diagram of the front and rear pinch roller devices of the present invention;

Figure 25 is a cross-sectional view along line A-A of Figure 24;

Figure 26 is a B-B cross-sectional view of Figure 24;

Figure 27 is a C-C cross-sectional view of Figure 26;

Figure 28 is a schematic structural diagram of the straightening machine of the present invention;

Figure 29 is a cross-sectional view along line A-A of Figure 28;

Fig. 30 is a B-B cross-sectional view of Fig. 29.

Detailed ways

As shown in Figures 1 to 30, the present invention provides a long-size metal coil grinding and finishing production system, which includes a furnace discharging platform 100, a feeding device 200, and a front clamp arranged in sequence according to the direction of the tube blank 800. The roller feeding device 300, the straightening machine 400, the milling machine 500, the rear pinch roller device 600, the discharging device 700, the furnace discharging platform 100 is used to receive and stack the tube blanks 800 that have been heated and perforated by the furnace; the feeding device 200 includes a base frame 1 and a transition frame 2. A plurality of transmission rollers 3 are arranged in parallel on the base frame 1. The transition frame 2 is arranged obliquely between the furnace discharge frame 100 and the feeding device 200, below the transmission roller 3 A material shifting mechanism is provided to move the tube blank 800 on the transmission roller 3 to the transition stand 2. A blocking mechanism is provided at the end of the transition stage 2. The blocking mechanism is used to move the tubes on the transition stage 2. The blanks 800 are transported to the feeding device 200 one by one. The front pinch roller device 300 is used to clamp and feed the blank tubes 800, and to guide and position the blank tubes 800 into the straightening machine 400 (the blank tubes 800 are fed by the feeding device 200 In the front pinch roller device 300, the reducer fixed on the base drives the gear keyed to its main shaft to rotate. The gears form a bevel gear transmission, so that the shaft keyed to the gear rotates accordingly, and the gear keyed to the shaft rotates. Rotation, the rotation of the gear will cause the gears that form the gear transmission system to rotate accordingly. The gear drives the shaft bonded to it to rotate, and also causes the roller at the other end of the shaft that is bonded to the shaft to rotate, thereby realizing the rotation of the tube blank 800. feeding); the straightening machine 400 is used to straighten the tube blank 800 (the straightening machine 400 is used to straighten the tube blank 800; after the tube blank 800 is sent out by the front pinch roller device 300, it enters the straightening machine 400 , the straightening machine 400 is driven by the reducer to rotate the small pulley, and the hollow shaft bonded to the large pulley is driven to rotate through the belt drive. The hollow shaft and the rotating frame are connected together through bolts, and a straightening roller is installed on the rotating frame. The tube blank rotates on the 800-axis axis. Bearings are installed on both sides of the straightening roller. The bearings are installed on the roller seat flange. The roller seat flange and the slide seat are connected through the gland and bolts. By rotating the screw, the screw nut and the screw are adjusted. Relative position, the nut and the slide seat are connected together by bolts, and the slide seat slides through the slide key, so that the distance between the upper and lower straightening rollers can be adjusted to achieve the purpose of straightening pipes of different specifications); surface milling The machine 500 is used to mill away the iron oxide scale on the surface of the cooled tube blank 800; the rear pinch roller device 600 is used to clamp the milled tube blank 800 and send it to the discharging device 700 (the rear pinch roller device 600 The working principle is the same as that of the front pinch roller device 300); the discharging device 700 is used to hold the milled tube blank 800.

As a further improvement of the above solution, the material-shifting mechanism includes a material-shifting cylinder 4, a first shifting claw 5 and a first long shaft. The material-shifting cylinder 4 is located below the transmission roller 3, and its lower end is hinged with the chassis 1. The first long shaft The shaft is installed on the chassis 1 through the bearing seat. The first shifting claw 5 is fixedly arranged on the first long axis, and there are multiple ones. The rotation center of the first shifting claw 5 is collinear with the axis of the first long shaft. The piston rod of the material dialing cylinder 4 is hingedly connected with a first crank 6, and the first crank 6 is connected with the first long axis. The first long axis is composed of multiple short shafts connected through couplings.

As a further improvement of the above solution, the blocking mechanism includes a blocking cylinder 7 and a connecting rod mechanism. The blocking cylinder 7 and the connecting rod mechanism are located under the transition platform 2. The blocking cylinder 7 is hinged on the side wall of the feeding device 200. The blocking cylinder 7 drives the connecting rod mechanism to feed the tube blanks 800 into the feeding device 200 one by one. The connecting rod mechanism includes a mounting seat 8 and a second crank 9. The mounting seat 8 is fixed on the side wall of the feeding device 200. The second crank 9 is hinged at the end of the piston rod of the stopper cylinder 7. The second crank 9 is connected to the second long crank 9. The shaft is fixedly connected, and a triangular plate 10 is fixedly connected to the second long axis. The rotation center of the triangular plate 10 is collinear with the axis of the shaft. The shaft is composed of multiple short shafts connected through couplings. The triangular plate 10 is hinged with a front blocking rod 11 and a rear blocking rod 12. The front blocking rod 11 and the rear blocking rod 12 are composed of a fixed cylinder 121 and a movable rod 122. The movable rod 122 is movably inserted into the fixed cylinder 121. The feeding device 200 A blocking rod support 13 is installed on the top, and the blocking rod support 13 cooperates with the front blocking rod 11 and the rear blocking rod 12 to realize the limiting and guiding function of the tube blank 800 . Two slotted holes are provided on the blocking rod support 13 corresponding to the two movable rods 122, and the distance between the two slotted holes is between the diameter of one tube blank 800 and the diameter of two tube blanks 800, so as to achieve reaching two tubes at a time. Between the slot holes is a single tube blank 800, so that the blocking cylinder 7 drives the connecting rod mechanism to feed the tube blanks 800 into the feeding device 200 one by one.

After the tube blank 800 is discharged from the furnace, it reaches the furnace discharge stand 100. The transmission roller 3 on the furnace discharge stand drives the tube tube 800 forward. When the tube tube 800 is completely fed out of the furnace and stops, the material cylinder 4 drives the first long axis to rotate, so that the plurality of first claws 5 fixedly connected to the first long axis are flipped and lifted in conjunction with each other, and the tube blank 800 parked on the transmission roller 3 is pushed to the transition platform 2, and the transition platform The frame 2 is provided with a certain inclination angle. The tube blank 800 rolls downward along the slope until the stopper mechanism stops. The stopper cylinder 7 drives the second crank 9 and the triangular plate 10 to drive the second long axis to rotate together, thereby driving the front gear lever and the rear gear lever. The rod moves up and down along the slotted hole on the matching rod support 13. Specifically, the front rod 11 falls down and the rear rod 12 lifts up to block the rear tube blanks 800, so that the tube blanks 800 can be fed one by one. into the feeding device 200.

The tube blank 800 is discharged from the straightening machine 400 and then enters the face milling machine 500. The face milling machine 500 is used to mill away the iron oxide scale on the surface of the cooled tube blank 800. The face milling machine 500 is composed of a motor, a belt conveyor system, and a surface milling machine. Mechanism and chip removal mechanism. The surface milling mechanism includes a casing 14. A swivel 15 is installed in the casing 14 through a bearing. The swivel 15 is driven by the above-mentioned motor and belt transmission system (specifically, the face milling machine 500 is driven by the motor. The pulley 32 on the main shaft of the motor rotates, and the second gear shaft 34 that is bonded with the pulley 32 is driven by the belt to rotate. The second gear shaft 34 and the first gear 35 form a gear transmission system, thereby driving the rotating body that is bonded with the first gear 35 15 rotation), three L-shaped bearing seats 16 are installed at 120° inside the rotating body 15 (the long axis end of the L-shaped bearing seat 16 is fixedly connected to the rotating body 15. Specifically, the long axis end of the L-shaped bearing seat 16 is inserted into the rotating body 15). In the body 15, the L-shaped bearing seat 16 and the rocker arm 18, driven wheel 19, etc. installed inside can rotate around the central axis of the long end of the L-shaped bearing seat 16), and the inner ring gear 17 is fixed on the housing 14. , the internal ring gear 17 meshes and drives three rocker arms 18 with a first gear shaft 33 (the rocker arms 18 can rotate around the axis of the first gear shaft 33, thereby adjusting the positions of the three driven wheels 19 to achieve different Adaptation to the tube blank with a diameter of 800), the rocker arm 18 is fastened to the end face of the L-shaped bearing seat 16 (the rocker arm 18 is fixedly connected to the end face of the L-shaped bearing seat 16 through bolts), and the short shaft end of the L-shaped bearing seat 16 A driven wheel 19 and a milling cutter disc 20 are provided, and the outer periphery of the driven wheel 19 is provided with fish scale patterns. The rotation of the swivel 15 will drive the first gear shaft 33 in the rocker arm 18 to rotate along the internal ring gear 17. The rotation of the first gear shaft 33 in the rocker arm 18 will drive the shaft connected with the driven wheel 19 through bolts to rotate. There are fish scale patterns on the outer circumference of the passive wheel 19. When rotating along the tube blank 800, the oxidized skin on the surface of the tube blank 800 will be rolled loose and fall off. That is, driven by the rotating body 15, the second gear 36 keyed on the first gear shaft 33 drives the first gear shaft 33 to rotate by meshing with the internal ring gear 17, and the third gear 37 meshed with the first gear shaft 33. And the shaft will also rotate accordingly, so that the passive wheel 19 can be rolled around the surface of the tube blank 800, and the oxide scale on the surface of the tube tube 800 will be rolled loosely and fall off.

As a further improvement of the above solution, the end of the inner wall of the rotating body 15 is provided with multiple steel brushes 26 that are in contact with the outer surface of the tube blank 800 (the steel brushes 26 clean the remaining oxidized skin on the surface of the tube blank 800). Two push rods 21 for adjusting the deflection angle of the driven wheel 19 are arranged on both sides of the short axis end of the L-shaped bearing seat 16. The axes of the two push rods 21 are parallel and spaced apart. Two push rods 21 are provided on the end face of the rotating body 15. The external threads on the surface of the support 22 and the two ejector rods 21 match the threaded holes on the support 22. The two ejector rods 21 are respectively equipped with a locking nut 23. The relative position of the push rod 21 is adjusted through the locking nut 23, thereby adjusting the relative position of the driven wheel 19. The two ejector pins 21 work together to adjust the position of the driven wheel 19, thereby achieving milling of the tube blanks 800 with different diameters.

As a further improvement of the above solution, the chip removal mechanism includes a hopper 24 and a drawer 25. The hopper 24 is used to collect the waste chips splashed in the working area of the milling machine 500. The inner wall of the hopper 24 is inclined, and the drawer 25 is arranged in the hopper 24. below. The fallen oxidized skin will be collected by the collecting hopper 24, and finally the fallen oxidized skin will slide along the inner wall of the collecting hopper 24 to the lower drawer 25.

As a further improvement of the above solution, the feeding device 200 and the discharging device 700 are both equipped with multiple conveying rollers. The multiple conveying rollers are connected through roller chain transmission, and the conveying rollers are driven by drive motors and sprockets; the discharging device 700 is also provided with There is an automatic unloading mechanism for moving the tube blank 800 into the material frame 29 (after the tube blank 800 is completely discharged and stopped, the automatic unloading mechanism can move the tube tube 800 into the material frame 29). The feeding device 200 is arranged side by side with the furnace discharging stand 100. After the tube blank 800 rolls onto the conveying roller, the driving motor drives the overrunning clutch to rotate through the reducer, and then is driven by the roller chain to drive the conveying roller to rotate, thereby realizing the tube tube 800. sent forward. An overrunning clutch is keyed on the main shaft of the reducer, and the axial positioning of the overrunning clutch is achieved through cooperation with retaining rings, bolts and washers. The conveying roller is installed on the bearing seat through self-aligning ball bearings, and the bearing seat is fixed on the base of the feeding device 200 through bolts. One end of the conveyor roller is bonded with a double-toothed sprocket, and is co-located by cooperating with the locking double nuts, bushings, self-aligning ball bearings and transparent covers; the other end of the self-aligning ball bearing is coupled with the upper shaft shoulder of the conveyor roller and The locking nut 23 and the gasket cooperate with each other to achieve axial positioning, and a cover is installed at the end of the bearing seat to achieve lubrication and sealing of the self-aligning ball bearing. The inlet end of the feeding device 200 is symmetrically provided with a gradually changing guide plate. The two gradually changing guide plates are open and gradually become larger from the inlet end to the outlet end to guide and feed the tube blank 800 .

The discharging device 700 is also provided with an automatic unloading mechanism for moving the tube blank into the material frame 29. The automatic unloading mechanism includes a unloading cylinder 27, a second finger 38 and a swing frame 28. The swing frame 28 is tilted. Between the material frame 29 and the conveying roller of the discharging device 700, the unloading cylinder 27 is located below the conveying roller, and is hingedly connected to the cylinder base 39 and fixed on the base. The end of the piston rod of the unloading cylinder 27 is connected to the cylinder joint. 30 is connected, and the other end of the cylinder joint 30 is connected to the connecting rod 31 and the second finger 38 , and the second finger 38 is installed on the base by matching with the bearing seat 40 . Specifically, the connecting rod 31 connected to the other end of the cylinder joint 30 is connected to the joint 41 and the lower end of the second finger 38 through a pin, and the axial positioning is achieved through the mutual cooperation between the pin and the split pin. . The other end of the joint 41 is connected to the second connecting rod 31 . There are 19 connecting rods 31 in total. Except for the connection of the cylinder joint 30, the two ends of the remaining connecting rods 31 adopt the mutual cooperation between the pin shaft and the cotter pin to realize the joint 41 and the second finger 38 to be connected together and axially position. The second finger 38 is installed on the bearing seat 40 by cooperating with the shaft, sleeve, and nut, and thereby jointly achieves axial positioning, that is, the second finger 38 can be along the central axis of the through hole of the bearing seat 40 Rotate.

The action principle is as follows: the unloading cylinder 27 pushes the connecting rod 31 to move forward, and makes the connecting rod 31 hinged with the cylinder joint 30 move downward. The connecting rod 31 is hinged with the second finger 38. When the connecting rod 31 moves downward, During the movement, the second dialing claw 38 will be lifted accordingly, and the second dialing claw 38 is provided with a certain inclination angle. When the second dialing claw 38 is lifted, the tube blank 800 is separated from the conveying roller, and rolls along the swing frame 28. Feeding frame 29. When the unloading cylinder 27 is working, the unloading cylinder 27 will also deflect at a certain angle with the pin of the cylinder base 39 as the axis. As the piston rod of the unloading cylinder 27 advances, the second finger 38 rotates around the central axis of the through hole of the bearing base 40 A certain angle deflection occurs, and when the slope at the top of the second claw 38 is lifted higher than the conveying roller, the tube blank 800 is lifted up and rolled into the material frame 29 along the slope, and the swing frames 28 in multiple places are synchronously Lifting is achieved by the connecting rod 31 between the swing frames 28.

The above embodiments are not limited to the technical solutions of the embodiments themselves, and the embodiments can be combined with each other to form new embodiments. The above embodiments are only used to illustrate the technical solution of the present invention but not to limit it. Any modifications or equivalent substitutions that do not depart from the spirit and scope of the present invention shall be included in the scope of the technical solution of the present invention.

Claims (5)

1. A long-size metal coil coping finishing production system is characterized in that: the automatic feeding device comprises a furnace discharging rack (100), a feeding device (200), a front pinch roll device (300), a straightener (400), a face milling machine (500), a rear pinch roll device (600) and a discharging device (700) which are sequentially arranged according to the trend of the tube blanks, wherein the furnace discharging rack (100) is used for receiving and stacking the tube blanks subjected to heating perforation of the furnace; the feeding device (200) comprises a bottom frame (1) and a transition rack (2), a plurality of driving rollers (3) are arranged on the furnace discharging rack (100) in parallel, the transition rack (2) is obliquely arranged between the furnace discharging rack (100) and the feeding device (200), a stirring mechanism for stirring a pipe blank (800) on the driving rollers (3) onto the transition rack (2) is arranged below the driving rollers (3), a material blocking mechanism is arranged at the tail end of the transition rack (2), the material blocking mechanism is used for conveying the pipe blank (800) on the transition rack (2) to the feeding device (200) one by one, and the front pinch roller device (300) is used for clamping and feeding the pipe blank and guiding and positioning the pipe blank into the straightener (400); the straightener (400) is used for straightening the tube blank; the surface milling machine (500) is used for milling iron oxide scales on the surface of the cooled tube blank; the rear pinch roll device (600) is used for clamping the milled tube blank and feeding the tube blank to the discharging device (700); the discharging device (700) is used for containing the milled tube blank; the material stirring mechanism comprises a material stirring cylinder (4), a first stirring claw (5) and a first long shaft, wherein the material stirring cylinder (4) is positioned below the driving roller (3), the lower end of the material stirring cylinder is hinged with the underframe (1), the first long shaft is arranged on the underframe (1) through a bearing seat, the first stirring claw (5) is fixedly arranged on the first long shaft and is provided with a plurality of first stirring claws, the rotation center of the first stirring claw (5) is collinear with the axis of the first long shaft, a piston rod of the material stirring cylinder (4) is hinged with a first crank (6), and the first crank (6) is connected with the first long shaft; the material blocking mechanism comprises a material blocking cylinder (7) and a connecting rod mechanism, wherein the material blocking cylinder (7) and the connecting rod mechanism are both positioned below the transition rack (2), the material blocking cylinder (7) is hinged to the side wall of the feeding device (200), and the material blocking cylinder (7) drives the connecting rod mechanism to realize that pipe blanks are fed into the feeding device (200) one by one; the connecting rod mechanism comprises an installation seat (8) and a second crank (9), the installation seat (8) is fixed on the side wall of a feeding device (200), the second crank (9) is hinged to the end part of a piston rod of a material blocking cylinder (7), the second crank (9) is fixedly connected with a second long shaft, a triangular plate (10) is fixedly connected to the second long shaft, a front stop lever (11) and a rear stop lever (12) are hinged to the triangular plate (10), the front stop lever (11) and the rear stop lever (12) are composed of a fixed cylinder (121) and a movable rod (122), the movable rod (122) is movably inserted into the fixed cylinder (121), a stop lever support (13) is mounted on the feeding device (200), two slotted holes are formed in the stop lever support (13) corresponding to the two movable rods (122), and the distance between the two slotted holes is between the diameters of one pipe blank and the diameters of the two pipe blanks; the face milling machine (500) comprises a motor, a belt conveying system, a face milling mechanism and a chip removal mechanism, the face milling mechanism comprises a shell (14), a rotating body (15) is installed in the shell (14) through a bearing, a steel brush (26) with multiple handles in contact with the outer surface of a tube blank (800) is arranged at the end part of the inner wall of the rotating body (15), the rotating body (15) is driven by the motor and the belt conveying system, three L-shaped bearing seats (16) are installed in the rotating body (15) at an angle of 120 degrees, an inner gear ring (17) is fixed on the shell (14), three rocker arms (18) with first gear shafts (33) are meshed and driven by the inner gear ring (17), the rocker arms (18) are fastened on the end face of the L-shaped bearing seats (16), driven wheels (19) and milling cutter heads (20) are arranged at the short shaft ends of the L-shaped bearing seats (16), and scale patterns are formed in the peripheries of the driven wheels (19).

2. The long metal coil coping finishing production system of claim 1, wherein: two ejector rods (21) for adjusting the deflection angle of the driven wheel (19) are arranged on two sides of the short shaft end of the L-shaped bearing seat (16), the axes of the two ejector rods (21) are parallel and are arranged at intervals, two supports (22) are arranged on the end face of the rotating body (15), external threads on the surfaces of the two ejector rods (21) are matched with threaded holes on the supports (22), and the two ejector rods (21) are respectively matched with a lock nut (23).

3. The long metal coil coping finishing production system of claim 1, wherein: the chip removal mechanism comprises a receiving hopper (24) and a drawer (25), wherein the receiving hopper (24) is used for collecting waste scraps splashed in an operation area of the face milling machine (500), the inner wall of the receiving hopper (24) is inclined, and the drawer (25) is arranged below the receiving hopper (24).

4. The long metal coil coping finishing production system of claim 1, wherein: the feeding device (200) and the discharging device (700) are respectively provided with a plurality of conveying rollers, the conveying rollers are in transmission connection through roller chains, and the conveying rollers are driven by a driving motor and a chain wheel.

5. The long metal coil coping finishing production system of claim 1, wherein: the discharging device (700) is further provided with an automatic discharging mechanism used for stirring the tube blank into the material frame (29), the automatic discharging mechanism comprises a discharging air cylinder (27), a second pusher dog (38) and a swinging frame (28), the swinging frame (28) is obliquely arranged between the material frame (29) and the discharging device (700), the discharging air cylinder (27) is located below the conveying roller and hinged with the air cylinder seat (39) and fixed on the base, the end part of a piston rod of the discharging air cylinder (27) is connected with the air cylinder connector (30), the other end of the air cylinder connector (30) is connected with the connecting rod (31) and the second pusher dog (38), and the second pusher dog (38) is installed on the base in a matched mode through the bearing seat (40).