CN116810407B - Long-size metal coil pipe coping finishing production system - Google Patents
Long-size metal coil pipe coping finishing production system Download PDFInfo
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- CN116810407B CN116810407B CN202311099062.8A CN202311099062A CN116810407B CN 116810407 B CN116810407 B CN 116810407B CN 202311099062 A CN202311099062 A CN 202311099062A CN 116810407 B CN116810407 B CN 116810407B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 230000010485 coping Effects 0.000 title claims abstract description 17
- 239000002184 metal Substances 0.000 title claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 238000003801 milling Methods 0.000 claims abstract description 43
- 238000003756 stirring Methods 0.000 claims abstract description 38
- 230000007704 transition Effects 0.000 claims abstract description 24
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 46
- 230000000903 blocking effect Effects 0.000 claims description 18
- 210000000078 claw Anatomy 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000003723 Smelting Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 4
- 239000010935 stainless steel Substances 0.000 abstract description 4
- 241000282472 Canis lupus familiaris Species 0.000 description 18
- 230000006872 improvement Effects 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 210000003491 skin Anatomy 0.000 description 7
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 210000002615 epidermis Anatomy 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 235000000621 Bidens tripartita Nutrition 0.000 description 1
- 240000004082 Bidens tripartita Species 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000006637 fused teeth Diseases 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a long-size metal coil pipe coping finishing production system, which belongs to the technical field of stainless steel tube blank coping, and comprises the steps of carrying and stacking a tube blank which is perforated by a furnace through a furnace discharging rack; the tube blanks on the transition rack are conveyed to the feeding device one by one under the action of the obliquely arranged transition rack, the stirring mechanism and the stopping mechanism; the front pinch roll device clamps and feeds the pipe blanks, and guides and positions the pipe blanks to the straightener; straightening the pipe blank by a straightener; milling iron oxide scales on the surface of the tube blank by a face milling machine; the rear pinch roll device clamps the milled tube blank and feeds the tube blank to the discharging device; the discharging device is used for containing the milled tube blank. According to the invention, the discharge rack, the feeding roller way, the front pinch roll device, the straightener, the face milling machine, the rear pinch roll device and the discharge device of the smelting furnace are sequentially arranged to be connected into a production line, so that a stainless steel tube blank is polished and finished to form a complete automatic processing system, and the processing efficiency of the steel tube is improved.
Description
Technical Field
The invention relates to the technical field of stainless steel tube blank coping, in particular to a long-size metal coil pipe coping finishing production system.
Background
The production line of the metal coil pipe mostly adopts continuous ingot casting, grinding finishing, planetary rotary rolling, continuous drawing, on-line induction annealing and coiling to produce the coil pipe. In the production mode, the polishing finishing production system carries out the polishing treatment on the oxide skin on the surface of the cast ingot, removes the defects of vibration marks, cracks, oxide skin and the like on the surface of the tube blank, and provides a metal tube blank with smooth surface for the subsequent rolling process. The cyclone surface milling machine adopted by the traditional coping finishing production system has the problems that accurate positioning cannot be achieved, excessive milling is easy to generate, scraps are splashed, the repairing and cutting of tube blanks with different specifications cannot be achieved, the structure of an automatic feeding mechanism of the traditional coping finishing production system is unstable, a discharging system depends on manual operation, and the production efficiency is low.
Disclosure of Invention
In order to solve the defects and shortcomings of the prior art, the invention provides a long metal coil coping finishing production system, an automatic feeding device is optimized, stable feeding of the long metal coil can be realized, the tube blank surface finishing device can accurately position the tube blank and circumferentially mill the tube blank by 360 degrees, recycling of scraps can be realized, and an adjusting device is arranged, and the relative positions of a driven wheel and a milling cutter disc can be adjusted to adapt to tube blanks of different specifications. And the automatic feeding and discharging system is included, so that the finished tube blank can be automatically discharged into the material frame, the labor cost is greatly reduced, and the production efficiency is improved.
The invention provides a long metal coil coping finishing production system for realizing the purpose of the invention, which comprises a smelting furnace discharging rack, a feeding device, a front pinch roll device, a straightener, a face milling machine, a rear pinch roll device and a discharging device which are sequentially arranged according to the trend of a pipe blank, wherein the smelting furnace discharging rack is used for receiving and stacking the pipe blank which is heated and perforated by a smelting furnace; the feeding device comprises a bottom frame and a transition rack, wherein a plurality of driving rollers are arranged on the bottom frame in parallel, the transition rack is obliquely arranged between the discharge rack of the smelting furnace and the feeding device, a stirring mechanism for stirring tube blanks on the driving rollers to the transition rack is arranged below the driving rollers, a material blocking mechanism is arranged at the tail end of the transition rack and used for conveying the tube blanks on the transition rack to the feeding device one by one, and the front pinch roller device is used for clamping and feeding the tube blanks and guiding and positioning the tube blanks to the straightener; the straightener is used for straightening the tube blank; the surface milling machine is used for milling iron scales on the surface of the cooled tube blank; the rear pinch roll device is used for clamping the milled tube blank and feeding the tube blank to the discharging device; the discharging device is used for containing the milled tube blank.
As a further improvement of the scheme, the material stirring mechanism comprises a material stirring cylinder, a first stirring claw and a first long shaft, wherein the material stirring cylinder is positioned below the driving roller, the lower end of the material stirring cylinder is hinged with the underframe, the first long shaft is arranged on the underframe through a bearing seat, the first stirring claw 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 is collinear with the axis of the first long shaft, a piston rod of the material stirring cylinder is hinged with a first crank, and the first crank is connected with the first long shaft.
As a further improvement of the scheme, the material blocking mechanism comprises a material blocking cylinder and a connecting rod mechanism, wherein the material blocking cylinder and the connecting rod mechanism are both positioned below the transition rack, the material blocking cylinder is hinged to the side wall of the feeding device, and the material blocking cylinder drives the connecting rod mechanism to realize that the pipe blanks are fed into the feeding device one by one.
As a further improvement of the scheme, the connecting rod mechanism comprises a mounting seat and a second crank, wherein the mounting seat is fixed on the side wall of the feeding device, the second crank is hinged to the end part of a piston rod of the material blocking cylinder, the second crank is fixedly connected with a second long shaft, a triangular plate is fixedly connected to the second long shaft, a front stop lever and a rear stop lever are hinged to the triangular plate, the front stop lever and the rear stop lever are composed of a fixed cylinder and a movable rod, the movable rod is movably inserted into the fixed cylinder, a stop lever support is mounted on the feeding device, two slotted holes are formed in the stop lever support corresponding to two movable rods, and the distance between the two slotted holes is between the diameter of one pipe blank and the diameter of two pipe blanks.
As the further improvement of above-mentioned scheme, the face milling machine comprises motor, belt conveying system, face milling mechanism, chip removal mechanism, face milling mechanism is including the casing, install the rotation through the bearing in the casing, the rotation is by above-mentioned motor, belt conveying system transmission (specifically, face milling machine is driven the motor main shaft by the motor and goes up the belt pulley and rotate, drive the second gear shaft that goes up the belt pulley bonding with face milling mechanism through the belt and rotate, second gear shaft and first gear constitute gear transmission system to drive the rotation of linking with first gear), be 120 inside and install three L type bearing frame (the major axis end and the rotation fixed connection of L type bearing frame, specifically, during the major axis end of L type bearing frame inserts the rotation, the rocking arm of L type bearing frame and inside installation, follower etc. can rotate around the major axis end central axis of L type bearing frame, be fixed with the ring gear on the casing, the rocking arm meshing has three to have first gear shaft (can rotate around the axis of first gear shaft to realize the rocking arm to the rotation of three follower, thereby realize the diameter to the different driven wheel's of roller tube, the rocking arm is provided with the boss is fixed in order of realizing the diameter to the L type bearing frame, the end face is fixed by the L type bolt face of the fixed on the driven wheel is connected with the L type bearing frame. The rotation of the swivel can drive a first gear shaft in the rocker arm to rotate along the annular gear, the first gear shaft in the rocker arm rotates and can drive a shaft connected with the driven wheel through a bolt to rotate, scale patterns are arranged on the periphery of the driven wheel, and when the rocker arm rotates along the tube blank, oxidized epidermis on the surface of the tube blank can be rolled loose and falls down. The second gear which is bonded on the first gear shaft drives the first gear shaft to rotate through meshing with the annular gear under the drive of the rotator, and the third gear and the shaft which are meshed with the first gear shaft also rotate along with the first gear shaft, so that the driven wheel can roll around the surface of the pipe blank, and iron scales on the surface of the pipe blank roll, loose and fall off.
As a further improvement of the scheme, the end part of the inner wall of the swivel is provided with a plurality of steel brushes with handles which are contacted with the outer surface of the tube blank. Two ejector rods for adjusting the deflection angle of the driven wheel are arranged on two sides of the short shaft end of the L-shaped bearing seat, the axes of the two ejector rods are parallel and are arranged at intervals, two supports are arranged on the end face of the rotating body, external threads on the surfaces of the two ejector rods are matched with threaded holes on the supports, and the two ejector rods are respectively matched with a locking nut. The relative position of the ejector rod is adjusted through the lock nut, so that the relative position of the driven wheel is adjusted. The position of the driven wheel is adjusted under the combined action of the two ejector rods, so that milling of tube blanks with different diameters is realized.
As a further improvement of the scheme, the chip removal mechanism comprises a receiving hopper and a drawer, wherein the receiving hopper is used for collecting waste chips splashed in a working area of the milling machine, the inner wall of the receiving hopper is inclined, and the drawer is arranged below the receiving hopper. The falling oxide skin can be collected through the receiving hopper, and finally the falling oxide skin slides down to the drawer below along the inner wall of the receiving hopper.
As a further improvement of the scheme, the feeding device and the discharging device 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.
As a further improvement of the scheme, the discharging device is further provided with an automatic discharging mechanism used for stirring the tube blank into the material frame, the automatic discharging mechanism comprises a discharging air cylinder, a second pusher dog and a swinging frame, the swinging frame is obliquely arranged between the material frame and the discharging device, the discharging air cylinder is positioned below the conveying roller and hinged with the air cylinder seat and is fixed on the base, the end part of a piston rod of the discharging air cylinder is connected with the air cylinder connector, the other end of the air cylinder connector is connected with the connecting rod and the second pusher dog, and the second pusher dog is installed on the base in a matched manner through the bearing seat. The blanking cylinder pushes the connecting rod to move forwards and enables the connecting rod hinged with the cylinder connector to be lifted, the connecting rod is connected with the second pusher dog, when the connecting rod is lifted, the second pusher dog is lifted along with the connecting rod, a certain inclination angle is arranged at the top of the second pusher dog, and when the second pusher dog 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 invention are as follows:
compared with the prior art, the long-size metal coil coping finishing production system provided by the invention is used for receiving and stacking the tube blanks subjected to heating perforation by the melting furnace through the discharging rack of the melting furnace; the tube blanks on the transition rack are conveyed to the feeding device one by one under the action of the obliquely arranged transition rack, the shifting mechanism and the stopping mechanism; the front pinch roll device is used for clamping and feeding the pipe blanks and guiding and positioning the pipe blanks to the straightener; the straightener is used for straightening the tube blank; the surface milling machine is used for milling iron oxide scales on the surface of the cooled tube blank; the rear pinch roll device is used for clamping the milled tube blank and feeding the tube blank to the discharging device; the discharging device is used for containing the milled tube blank. The stainless steel tube blank is polished and finished to form a complete automatic processing system, and the processing efficiency of the steel tube is further improved.
Drawings
The invention is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a front view of the furnace tapping rack and feeder of the present invention;
FIG. 4 is a top view of FIG. 3
FIG. 5 is a cross-sectional view A-A of FIG. 4;
FIG. 6 is a sectional view B-B of FIG. 4;
FIG. 7 is a front view of the feed device of the present invention;
FIG. 8 is a top view of FIG. 7;
FIG. 9 is a cross-sectional view A-A of FIG. 7;
FIG. 10 is a D-view of FIG. 7;
FIG. 11 is a schematic diagram of a face milling machine according to the present invention;
FIG. 12 is a schematic view of a face milling machine at a second angle according to the present invention;
FIG. 13 is a B-B cross-sectional view of FIG. 12;
FIG. 14 is a schematic view of a face milling machine at a third angle according to the present invention;
FIG. 15 is a schematic view of the structure in the K direction of FIG. 14;
FIG. 16 is a schematic view of a face milling machine at a fourth angle according to the present invention;
FIG. 17 is a cross-sectional view A-A of FIG. 16;
FIG. 18 is a schematic view of a face milling machine according to a fifth embodiment of the present invention;
FIG. 19 is a front view of the discharge device of the present invention;
FIG. 20 is a top view of FIG. 19;
FIG. 21 is a cross-sectional view A-A of FIG. 19;
FIG. 22 is a B-B cross-sectional view of FIG. 19;
FIG. 23 is a cross-sectional view of C-C of FIG. 19;
FIG. 24 is a schematic view of the structure of the front and rear pinch roll units of the present invention;
FIG. 25 is a cross-sectional view A-A of FIG. 24;
FIG. 26 is a B-B cross-sectional view of FIG. 24;
FIG. 27 is a C-C cross-sectional view of FIG. 26;
FIG. 28 is a schematic view showing the construction of the leveler according to the present invention;
FIG. 29 is a cross-sectional view A-A of FIG. 28;
fig. 30 is a B-B cross-sectional view of fig. 29.
Detailed Description
As shown in fig. 1 to 30, the long metal coil coping finishing production system provided by the invention 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 a tube blank 800, wherein the furnace discharging rack 100 is used for receiving and stacking the tube blank 800 after being heated and perforated by a furnace; the feeding device 200 comprises a bottom frame 1 and a transition rack 2, wherein a plurality of driving rollers 3 are arranged on the bottom frame 1 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 the tube blanks 800 on the driving rollers 3 onto the transition rack 2 is arranged below the driving rollers 3, a stop mechanism is arranged at the tail end of the transition rack 2 and used for conveying the tube blanks 800 on the transition rack 2 to the feeding device 200 one by one, the front pinch roller device 300 is used for clamping and feeding the tube blanks 800 and guiding and positioning the tube blanks 800 into the straightener 400 (the tube blanks 800 are fed into the front pinch roller device 300 by the feeding device 200, a reducer fixed on the base drives gears bonded with the main shafts of the tube blanks to rotate, bevel gear transmission is formed between the gears, so that the shafts bonded with the gears rotate along with the gears, the gears rotate along with the gears forming a gear transmission system, the gears rotate along with the shafts bonded with the gears, and the shafts bonded with the shafts rotate along with the shafts at the other ends of the gears, so that the rollers bonded with the shafts rotate along with the shafts, the shafts bonded with the shafts are bonded with the shafts, and the tubes 800 are driven; the straightening machine 400 is used for straightening the tube blank 800 (the straightening machine 400 is used for straightening the tube blank 800, the tube blank 800 enters the straightening machine 400 after being sent out by the front pinch roll device 300, the straightening machine 400 is driven by a speed reducer to rotate by a small belt pulley, a hollow shaft bonded with a large belt pulley is driven to rotate by belt transmission, the hollow shaft is fixedly connected with a rotating frame through bolts, straightening rolls are arranged on the rotating frame and rotate along with the rotating frame around the axis of the tube blank 800, bearings are arranged on roll seat flanges, the roll seat flanges are connected with a sliding seat through a gland and bolts, the relative positions of a screw and the screw are adjusted through rotating a screw rod, the screw and the sliding seat are fixedly connected together through bolts, and the sliding seat slides through sliding keys, so that the distance between the upper straightening roll and the lower straightening roll can be adjusted, and the aim of straightening tubes with different specifications is fulfilled; the face milling machine 500 is used for milling iron oxide scales on the surface of the cooled tube blank 800; the rear pinch roll device 600 is used for clamping the milled tube blank 800 and feeding the tube blank to the discharging device 700 (the working principle of the rear pinch roll device 600 is the same as that of the front pinch roll device 300); the discharging device 700 is used for holding the milled tube blank 800.
As a further improvement of the scheme, 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 rotating centers, the rotating centers of the first stirring claws 5 are 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 first long shaft is formed by connecting a plurality of short shafts through a coupler.
As a further improvement of the above scheme, the stop mechanism comprises a stop cylinder 7 and a link mechanism, the stop cylinder 7 and the link mechanism are both located below the transition rack 2, the stop cylinder 7 is hinged to the side wall of the feeding device 200, and the stop cylinder 7 drives the link mechanism to feed the pipe blanks 800 into the feeding device 200 one by one. The connecting rod mechanism comprises a mounting seat 8 and a second crank 9, wherein the mounting seat 8 is fixed on the side wall of the feeding device 200, the second crank 9 is hinged to the end part of a piston rod of the 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, the rotation center of the triangular plate 10 is collinear with the axis of the shaft, and the shaft is formed by connecting a plurality of short shafts through a coupling. The triangular plate 10 is hinged with a front stop lever 11 and a rear stop lever 12, 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 arranged on the feeding device 200, and the stop lever support 13 is matched with the front stop lever 11 and the rear stop lever 12, so that limiting and guiding effects on a tube blank 800 are achieved. Two slots are formed in the stop lever support 13 corresponding to the two movable levers 122, and the distance between the two slots is between the diameter of one tube blank 800 and the diameter of two tube blanks 800 so as to achieve that a single tube blank 800 reaches between the two slots each time, so that the material blocking cylinder 7 drives the connecting rod mechanism to achieve that the tube blanks 800 are fed onto the feeding device 200 one by one.
The tube blank 800 reaches the furnace discharging rack 100 after being discharged by the furnace, the tube blank 800 is driven to advance by the driving roller 3 on the furnace discharging rack, when the tube blank 800 is completely discharged by the furnace and is stopped, the material shifting cylinder 4 drives the first long shaft to rotate, so that a plurality of first pusher dogs 5 fixedly connected with the first long shaft are linked and turned upwards, the tube blank 800 parked on the driving roller 3 is pushed onto the transition rack 2, the transition rack 2 is provided with a certain inclination angle, the tube blank 800 rolls downwards along the inclination angle to a stop mechanism to stop, the material blocking cylinder 7 drives the second crank 9 and the triangular plate 10 to drive the second long shaft to rotate together, so that a front stop rod and a rear stop rod are driven to move up and down along slots on a stop rod support 13 matched with the front stop rod and the rear stop rod, specifically, the front stop rod 11 falls down, and the rear stop rod 12 is lifted to stop the rear square tube blank 800, and the tube blank 800 can be fed onto the feeding device 200 one by one.
The tube blank 800 enters the face milling machine 500 after being discharged by the straightening machine 400, the face milling machine 500 is used for milling iron scales on the surface of the cooled tube blank 800, the face milling machine 500 consists of a motor, a belt conveying system, a face milling mechanism and a chip removing mechanism, the face milling mechanism comprises a shell 14, a rotor 15 is installed in the shell 14 through a bearing, the rotor 15 is driven by the motor and the belt conveying system (specifically, the face milling machine 500 is driven by the motor to rotate a belt pulley 32 on a motor main shaft, a second gear shaft 34 which is in linkage with the belt pulley 32 is driven by the belt to rotate, the second gear shaft 34 and a first gear 35 form a gear transmission system, thereby driving the rotor 15 which is in linkage with the first gear 35 to rotate), three L-shaped bearing seats 16 are installed inside the rotor 15 at 120 degrees (the long shaft ends of the L-shaped bearing seats 16 are fixedly connected with the rotor 15), specifically, the long shaft ends of the L-shaped bearing seats 16 and rocker arms 18, driven wheels 19 and the like which are installed inside the L-shaped bearing seats 16 can rotate around the central axis of the long shaft ends of the L-shaped bearing seats 16, a ring 17 is fixed on the shell 14, the inner gear ring 17 is driven by the belt drives the second gear shaft 34 which is in linkage with the first gear shaft 33, the diameter of the rocker arms 19 is different from the L-shaped bearing seats 18, and the diameter of the driven wheels 19 is adjusted, and the diameter of the inner gear shafts can be adjusted, and the inner gear shafts can be fixed by the diameter of the inner wheels and the inner gear wheels and the driven by the inner gear shafts and the driven wheels are 19. The rotation of the swivel 15 drives the first gear shaft 33 in the rocker arm 18 to rotate along the annular gear 17, the first gear shaft 33 in the rocker arm 18 is driven to rotate through a shaft connected with the driven wheel 19 through a bolt, scale patterns are formed on the periphery of the driven wheel 19, and when the swivel rotates along the tube blank 800, oxidized epidermis on the surface of the tube blank 800 is rolled loose and falls off. That is, the second gear 36 bonded on the first gear shaft 33 is meshed with the inner gear ring 17 to drive the first gear shaft 33 to rotate, and the third gear 37 meshed with the first gear shaft 33 and the shaft rotate along with the first gear shaft, so that the driven wheel 19 can roll around the surface of the tube blank 800, and iron scales on the surface of the tube blank 800 roll, loose and fall off.
As a further improvement of the above scheme, the end of the inner wall of the swivel 15 is provided with a plurality of steel brushes 26 which are in contact with the outer surface of the tube blank 800 (the steel brushes 26 clean the residual oxidized skin on the surface of the tube blank 800). 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 rotator 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 locking nut 23. The relative position of the ejector rod 21 is adjusted by the lock nut 23, so that the relative position of the driven wheel 19 is adjusted. The two ejector rods 21 cooperate to adjust the position of the driven wheel 19, thereby realizing milling of tube blanks 800 with different diameters.
As a further improvement of the scheme, the chip removing mechanism comprises a receiving hopper 24 and a drawer 25, wherein the receiving hopper 24 is used for collecting waste chips splashed in the working 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. The falling oxide skin is collected by the receiving hopper 24, and finally the falling oxide skin slides down the inner wall of the receiving hopper 24 into the lower drawer 25.
As a further improvement of the above scheme, the feeding device 200 and the discharging device 700 are 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; the discharging device 700 is also provided with an automatic discharging mechanism for stirring the tube blank 800 into the material frame 29 (after the tube blank 800 is completely discharged and stopped, the automatic discharging mechanism can stir the tube blank 800 into the material frame 29). The feeding device 200 and the furnace discharging bench 100 are arranged side by side, after the tube blank 800 rolls onto the conveying roller, the driving motor drives the overrunning clutch to rotate through the speed reducer, and then the conveying roller is driven to rotate by the roller chain, so that the tube blank 800 is forwards fed. The main shaft of the speed reducer is keyed with an overrunning clutch, and the overrunning clutch is axially positioned by mutual matching among the overrunning clutch, a check ring, a bolt and a gasket. The conveying roller is installed on a bearing seat through a self-aligning ball bearing, and the bearing seat is fixed on a base of the feeding device 200 through a bolt. One end of the conveying roller is bonded with a double-tooth chain wheel and is matched with the locking double nut, the shaft sleeve, the aligning ball bearing and the penetrating cover to realize co-location; the other end aligning ball bearing realizes axial positioning by being matched with the upper shaft shoulder of the conveying roller, the locking nut 23 and the gasket, and the end part of the bearing seat is provided with a sealing cover for realizing lubrication and sealing of the aligning ball bearing. The inlet end of the feeding device 200 is symmetrically provided with gradual change guide plates, and the two gradual change guide plates are arranged in an open mode and gradually become larger from the inlet end to the outlet end so as to guide and feed the tube blank 800.
The discharging device 700 is also provided with an automatic discharging mechanism 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 a conveying roller of the discharging device 700, the discharging air cylinder 27 is positioned below the conveying roller and hinged with an air cylinder seat 39 and is fixed on a base, the end part of a piston rod of the discharging air cylinder 27 is connected with an air cylinder connector 30, the other end of the air cylinder connector 30 is connected with a connecting rod 31 and the second pusher dog 38, and the second pusher dog 38 is installed on the base in a matched manner with a 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 by a pin shaft, and axial positioning is achieved by the mutual engagement between the pin shaft and the cotter pin. The other end of the joint 41 is connected to the second link 31. The total number of the connecting rods 31 is 19, and the two ends of the rest connecting rods 31 are mutually matched with each other by adopting a pin shaft and a cotter pin except the connecting part of the cylinder joint 30 so as to realize the connection and axial positioning of the joint 41 and the second pusher dog 38. The second finger 38 is mounted on the bearing block 40 by cooperating with a shaft, a sleeve and a nut, and thus the axial positioning is achieved jointly, i.e. the second finger 38 is rotatable along the central axis of the through hole of the bearing block 40.
The action principle is as follows: the blanking cylinder 27 pushes the connecting rod 31 to move forward and moves the connecting rod 31 hinged with the cylinder joint 30 downward, the connecting rod 31 is hinged with the second pusher dog 38, when the connecting rod 31 moves downward, the second pusher dog 38 is lifted up, the second pusher dog 38 is provided with a certain inclination angle, and when the second pusher dog 38 is lifted up, the tube blank 800 is separated from the conveying roller and rolls into the material frame 29 along the swing frame 28. When the blanking cylinder 27 works, the blanking cylinder 27 also deflects at a certain angle by taking the pin shaft of the cylinder seat 39 as an axis, and the second pusher dog 38 deflects at a certain angle around the central axis of the through hole of the bearing seat 40 along with the pushing of the piston rod of the blanking cylinder 27, when the inclined plane at the top end of the second pusher dog 38 lifts up to be higher than the conveying roller, the tube blank 800 is lifted up and rolls into the material frame 29 along the inclined plane, and the synchronous lifting of a plurality of swinging frames 28 is realized by the connecting rods 31 among the swinging frames 28.
The above embodiments are not limited to the technical solution of the embodiments, and the embodiments may be combined with each other to form a new embodiment. The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and any modifications or equivalent substitutions without departing from the spirit and scope of the present invention should be covered 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).
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| CN202311099062.8A CN116810407B (en) | 2023-08-30 | 2023-08-30 | Long-size metal coil pipe coping finishing production system |
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| CN202311099062.8A CN116810407B (en) | 2023-08-30 | 2023-08-30 | Long-size metal coil pipe coping finishing production system |
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| CN116810407A (en) | 2023-09-29 |
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