High-performance difficult-deformation metal seamless pipe perforating unit
Technical Field
The utility model belongs to the technical field of metal material plastic working equipment, concretely relates to high performance difficult metal seamless pipe perforating unit that warp.
Background
In the prior market, the perforation process of the seamless pipe difficult to deform mainly adopts perforation and cold drawing and extrusion and cold rolling, wherein the former is difficult to further improve the comprehensive mechanical property of the product; the latter has high cost and serious resource waste. In the production of seamless pipes, the perforation is to manufacture solid pipe blanks into hollow pipe blanks, which is a key part in the production of seamless pipes, the difficult-to-deform metal has large perforation difficulty, poor perforation quality and more perforation defects due to large deformation resistance, and the difficult-to-deform metal pipe blanks are generally considered to be unsuitable for perforation on a two-roller perforation rolling mill. However, relevant studies have shown that: mainly due to the following process quality problems: (1) the secondary biting of the tube blank is difficult, mainly because: firstly, the deformation resistance of the metal which is difficult to deform is large, the deformation is difficult to deepen, the surface layer deforms seriously, the center of the tube blank is difficult to loosen during the perforation, and the actual process of the perforation is the forced jacking of a jacking head; moreover, the pressing amount of the top is small; finally, when the rotating speed of the roller is higher, the friction factor is reduced, so that the forward dragging force of the tube blank is reduced; the method comprises the following steps of (2) crushing a hollow billet, wherein the hollow billet is mainly subjected to piercing deformation by a two-roll cross rolling piercing mill, the thermal effect is obvious, the temperature rise condition of the hollow billet in the piercing process is uncontrollable, and the hollow billet is actually deformed in a low plasticity state, an overheating state or even an overburning state; (3) the tubular billet layering comprises an inner layering and an outer layering, wherein the outer layering is mainly characterized in that the deformation resistance of a metal which is difficult to deform is large, the deformation is difficult to deeply penetrate, the surface metal deforms violently, the metal inevitably flows in the tangential direction, the longitudinal direction and the transverse direction and twists under the combined action of the rotation of a roller and the movement of the tubular billet, the surface metal of the tubular billet tends to increase the circumference and swell, additional tensile stress is generated between the outer surface layer and transition layer metal, the metal is cracked in a certain rolling process or a surface metal accumulation process to form the outer layering, and the mechanism of the inner layering is similar to that of the outer layering.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to above-mentioned problem provide a high performance difficult metal seamless pipe perforating unit that warp.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a high-performance difficult-deformation metal seamless pipe perforating unit comprises a main transmission system, a material pushing device, a large rolling angle perforating main machine, a first section of an outlet area, a second section of the outlet area and a pipe blank transferring device, wherein the main transmission system, the material pushing device, the large rolling angle perforating main machine, the first section of the outlet area and the second section of the outlet area are sequentially arranged from left to right; the tube blank transferring device is used for transferring a tube blank to the pushing device; the pushing device is used for receiving the blank sent by the tube blank transferring device and positioning and feeding the blank; the large rolling angle punching host machine punches the blank by utilizing the power input by the main transmission system; the outlet area first section is mainly used for assisting the large rolling angle perforating main machine to complete perforation, is matched with the outlet area second section to withdraw the ejector rod and turn the perforated capillary tube to be sent to the next station; the outlet area two-section is mainly used for realizing the positioning, feeding and withdrawing of the ejector rod.
Further, the pipe blank transfer device comprises a left beam support and a right beam support, a left beam assembly and a right beam assembly are respectively arranged on the left beam support and the right beam support, front contact switches are respectively arranged at the front ends of the left beam assembly and the right beam assembly, rear contact switches are respectively arranged at the rear ends of the left beam assembly and the right beam assembly, a cross beam is erected on the left beam assembly and the right beam assembly, front contacts and rear contacts corresponding to the front contact switches and the rear contact switches are respectively arranged at the front part and the rear part of the cross beam, when the front contacts are in contact with the front contact switches or the rear contacts are in contact with the rear contact switches, on one hand, the front contacts play a role of buffering, on the other hand, signals are transmitted to a control system to realize the cutting off of the power input of a driving motor and the braking of a brake, roller rails are arranged on the upper surfaces of the left beam assembly and the right beam assembly, and rollers corresponding to the roller rails are respectively arranged at the front and rear ends of the left and right beam, the roller is arranged in a roller track, racks are arranged on the inner sides of the left beam assembly and the right beam assembly, a driving motor and a driving shaft are arranged on the cross beam, the driving motor is used for providing power for the driving shaft, gears are arranged at the two ends of the driving shaft and are meshed with the racks so as to realize the forward and backward movement of the cross beam, a brake is further arranged on an output shaft of the driving motor, guide plates are arranged on the inner sides of the left beam assembly and the right beam assembly and are positioned below the racks, guide wheels corresponding to the guide plates are arranged at the left end and the right end of the rear part of the cross beam, the guide wheels roll along the side surfaces of the guide plates, guide holes which are bilaterally symmetrical are further formed in the cross beam, guide columns are movably arranged in the guide holes, and the lower ends of the guide columns are connected with a clamping device through lifting lugs, the clamp comprises a crossbeam and is characterized in that a hydraulic cylinder mechanism is further arranged on the crossbeam, a telescopic rod of the hydraulic cylinder mechanism is connected with a clamping device to achieve lifting of the clamping device, a first clamp claw and a second clamp claw which are bilaterally symmetrical are arranged on the clamping device, the first clamp claw and the second clamp claw are respectively composed of a first clamp, a hydraulic cylinder and a second clamp, and the hydraulic cylinder and a hydraulic rod installed on the hydraulic cylinder are respectively hinged with the first clamp and the second clamp.
Still further, the main drive system sets up side by side at left two motors around including, two the power of motor passes through the shaft coupling and inputs two reduction gears respectively the right side of reduction gear is provided with preceding flexible strutting arrangement and back flexible strutting arrangement install universal joint axle device on preceding flexible strutting arrangement and the back flexible strutting arrangement, two the reduction gear is respectively through universal joint axle device with power transmission to the preceding input shaft and the back input shaft of big roll angle perforation host computer, realizes rolling power's input.
Furthermore, the pushing device comprises a guide support and a plurality of bottom supports, the bottom supports are arranged on the right side of the guide support, a second guide seat is arranged on the guide support, a second bushing is arranged on the second guide seat, a guide base is arranged on the bottom supports, a first guide seat is arranged on the left portion of the guide base, the second guide seat and the first guide seat jointly form a support seat of the blank pushing cylinder, guide rods are inserted in the second bushing and the first guide seat, a connecting block is arranged in front of a cylinder end flange of the blank pushing cylinder and used for connecting the guide rods, a connecting sleeve is arranged at the right end of each guide rod and used for connecting a pushing head device to jointly form a pushing device, a plurality of lifting screw rods are uniformly arranged on the guide base, and a first bracket and a second bracket are arranged on the lifting screw rods, the lifting device comprises a plurality of lifting screws, a transmission shaft, a speed reduction motor, a first hydraulic cylinder, a second hydraulic cylinder, a scale and a base, wherein the plurality of lifting screws are connected in series through the transmission shaft, the transmission shaft is further connected with the speed reduction motor to obtain lifting power, a first guide rod capable of sliding up and down is further arranged on the guide base, the upper end of the first guide rod is fixedly connected with the bottom of a second support groove, the first hydraulic cylinder and the second hydraulic cylinder are respectively arranged below the first support groove and the second support groove, the lifting screws, the first hydraulic cylinder and the second hydraulic cylinder are mutually matched to jointly push the first support groove and the second support groove to move up and down, the bottom of the first support groove is provided with the.
Furthermore, the large rolling angle punching host comprises a first rolling base, a second rolling base and a rack assembly, wherein the rack assembly is arranged on the first rolling base and the second rolling base, a rear roller box and a front roller box are symmetrically arranged in front of and behind the rack assembly, a rear side pressing device and a front side pressing device are respectively arranged on the front side and the rear side of the rack assembly and are used for realizing the rapid adjustment of the large rolling angle of the roller, the rear side pressing device is composed of a rear pressing motor I, a rear screw nut pair I, a rear stabilizing hydraulic cylinder, a rear screw nut pair II and a rear pressing motor II, the movable ends of the rear screw nut pair I and the rear screw nut pair II are respectively connected with the left part and the right part of the rear roller box in a ball hinge manner, the rear pressing motor I and the rear pressing motor II are respectively used for providing power for the rear screw nut pair I and the rear screw nut pair II, the two ends of the rear stable hydraulic cylinder are respectively hinged with the middle parts of the rack assembly and the rear roller box, the front side pressing device is composed of a front pressing motor I, a front screw nut pair I, a front stable hydraulic cylinder, a front screw nut pair II and a front pressing motor II, the movable ends of the front screw nut pair I and the front screw nut pair II are respectively connected with the left part and the right part of the front roller box in a ball-hinged mode, the front pressing motor I and the front pressing motor II are respectively used for providing power for the front screw nut pair I and the front screw nut pair II, the two ends of the front stable hydraulic cylinder are respectively hinged with the middle parts of the rack assembly and the front roller box, a rack upper cover is arranged above the rack assembly, double-stroke hydraulic cylinders are respectively arranged on the front side and the rear side of the rack assembly, a front pushing head and a rear pushing head hinged with the double-stroke hydraulic cylinders are respectively arranged on the front side and the rear side of the rack upper cover, the front pushing head and the rear pushing head are respectively connected with a ball hinge lug at the end part of a double-stroke hydraulic cylinder through a first pin shaft and a second pin shaft, the other end of the double-stroke hydraulic cylinder is hinged with a stop block arranged on the side surface of a frame assembly, a front roller lifting hydraulic cylinder and a rear roller lifting hydraulic cylinder which are symmetrical in the front and the rear are arranged on an upper cover of the frame, the lower ends of the front roller lifting hydraulic cylinder and the rear roller lifting hydraulic cylinder are respectively provided with a front roller and a rear roller, the frame assembly is provided with a front rail and a rear rail which are mutually corresponding to the front roller and the rear roller, the right side of the frame assembly is also provided with two rows of rail bases, the rail bases are respectively provided with a front rail and a rear rail which are corresponding to and connected with the front rail and the rear rail, the right sides of the front rail and the rear rail are provided with a buffer, and the middle part of the upper surface of, the bottom of the frame assembly is provided with a lower guide plate device corresponding to the upper guide plate device, an inlet guide sleeve is arranged at an inlet at the left side of the frame assembly, and a pressing hydraulic cylinder corresponding to the inlet guide sleeve is further arranged on the upper cover of the frame to press the inlet guide sleeve during punching, so that the inlet guide sleeve is protected.
Furthermore, the upper guide plate device comprises an upper guide plate assembly, an upper lead screw is arranged on the upper guide plate assembly, the upper end of the upper lead screw is connected with a worm and gear lifter, the worm and gear lifter is connected with a lifting motor, the lower end of the upper lead screw is hinged with the upper end of an upper hook claw, the middle of the upper hook claw is hinged to a rack assembly, an upper main fixing wedge groove is formed in the lower surface of the upper guide plate assembly, an upper main guide plate is arranged in the upper main fixing wedge groove, an upper auxiliary fixing wedge groove is formed in the lower surface of the upper main guide plate, the upper hook claw and the upper auxiliary fixing wedge groove are matched with each other to fix the upper auxiliary guide plate, and the upper guide plate device meets the requirements of large rolling angle punching of products of different specifications by replacing different upper main guide plates and upper auxiliary guide plates.
Furthermore, the lower guide plate device comprises a lower guide plate assembly, the lower portion of the lower guide plate assembly is slidably arranged on a rack assembly, a lower clamping hydraulic cylinder is arranged on one side of the lower portion of the lower guide plate assembly and used for pushing the lower guide plate assembly tightly from the side to achieve fixing of the lower guide plate assembly, a lower fixing wedge groove is formed in the upper portion of the lower guide plate assembly, a lower hook claw is arranged on the other side of the lower fixing wedge groove, the lower hook claw and the lower fixing wedge groove are matched to achieve fixing of the lower guide plate, the middle portion of the lower hook claw is hinged to the rack assembly, the lower portion of the lower hook claw is hinged to a lower lead screw, clamping of the lower hook claw is achieved through moving the lower lead screw leftwards and rightwards, and lower lifting hydraulic cylinders are respectively hinged to the left side and the right side of the upper portion of the.
Furthermore, the exit region is one section including a plurality of export supports that set up side by side be provided with the export base on the export support the left end of export base is provided with the pinch roll device the right side of pinch roll device is provided with four three-roller guider and three rollgang, three rollgang interval sets up respectively between two adjacent three-roller guider, is provided with the pinch roll table in the top of the first rollgang of left side the right part of export base is provided with passive roll table the right side of passive roll table is provided with takes off a tub cooling device the rear side of export base is provided with a plurality of material devices of dialling, the material device of dialling misplaces the setting each other with three-roller guider and rollgang.
Furthermore, the outlet area two-section comprises a machine base device, a plurality of guide rail bases are arranged on the right side of the machine base device, trolley guide rails are arranged on the guide rail bases, the left side of each trolley guide rail extends to the position above the machine base device, the right side of each trolley guide rail is connected to the rack of the winding drum device, a mandril carrier roller device is arranged at the left end of the machine base device and is used for supporting a mandril, a mandril anti-thrust trolley is arranged on each trolley guide rail, a locking device is arranged on each mandril anti-thrust trolley, a mandril replacement support is arranged between the machine base device and the guide rail bases and is used for supporting the mandril when the mandril is replaced, a hydraulic buffer is arranged at the right part of each trolley guide rail and is positioned between the winding drum device and the guide rail bases, and the input end, be provided with two rope sheaves side by side about ejector pin thrust dolly's the last rotatable rope sheave assembly that is provided with of frame device, the rope sheave assembly is for respectively being provided with the cylinder of a recess in front and back the last reel middle part of reel device is provided with the spacer ring, with the reel divide into two parts from beginning to end, the winding opposite direction of the rope on the first half of reel and the latter half, the rope of the first half of reel is walked around the anterior recess of rope sheave assembly in proper order, is located the recess at left rope sheave, rope sheave assembly rear portion, the latter half of reel and is located the rope sheave on right side and is got back to the first half.
Compared with the prior art, the utility model has the advantages of it is following:
1. the high-performance difficult-deformation metal seamless pipe perforating unit designed by the utility model has compact connection among stations, can realize high-efficiency transfer of process demand blanks, effectively saves heat loss in the blank transportation process, and avoids the phenomenon that the blanks are difficult to penetrate or crack in the deformation process due to temperature reduction;
2. the utility model realizes the rapid and accurate adjustment of the angles of the rear roller box and the front roller box through the first rear screw nut pair, the second rear screw nut pair, the first front screw nut pair and the second front screw nut pair, and simultaneously, the first rear screw nut pair, the second rear screw nut pair and the rear roller box are connected with the front roller box through the ball hinge, thereby increasing the adjustable range of the rolling angle and solving the problem that the capillary tube is easy to crack and delaminate from the inner wall due to the small adjustable range of the rolling angle in the prior art;
3. the utility model discloses according to the demand that big roll angle was adjusted, through last baffle device and the lower baffle device that sets up, realized the quick replacement of last baffle and lower baffle.
Drawings
Fig. 1 is an overall layout diagram of the present invention;
fig. 2 is a schematic structural view of the pipe blank transfer device of the present invention;
FIG. 3 is a view B-B of FIG. 2 according to the present invention;
FIG. 4 is a view of the present invention taken from the C-C of FIG. 2;
fig. 5 is a view from D-D of fig. 2 in accordance with the present invention;
fig. 6 is a view from direction a of fig. 2 according to the present invention;
FIG. 7 is a schematic structural view of a first clamp claw of the present invention;
fig. 8 is a front view of the pushing device of the present invention;
fig. 9 is a top view of the pushing device of the present invention;
fig. 10 is a front view of the large rolling angle punching host of the present invention;
fig. 11 is a top view of the large rolling angle punching host of the present invention;
fig. 12 is a view from C-C of fig. 10 in accordance with the present invention;
FIG. 13 is a view taken from the perspective B-B of FIG. 10 in accordance with the present invention;
figure 14 is a front view of a section of the outlet region of the present invention;
fig. 15 is a top view of a section of the outlet region of the present invention;
figure 16 is a front view of the outlet region second section of the present invention;
fig. 17 is a top view of the outlet region two section of the present invention;
fig. 18 is a view from B-B of fig. 16 according to the present invention;
FIG. 19 is a front view of the main drive system of the present invention;
FIG. 20 is a top view of the main drive system of the present invention;
FIG. 21 is a view taken from the line A-A of FIG. 20 according to the present invention;
fig. 22 is a view from B-B of fig. 20 in accordance with the present invention;
fig. 23 is a schematic structural view of the upper guide plate device of the present invention;
fig. 24 is a schematic structural view of the lower guide plate device of the present invention;
fig. 25 is a schematic view of the connection of the sheave assembly and the reel device of the present invention;
in the figure, a main transmission system-1, a material pushing device-2, a large rolling angle punching host-3, an outlet area section-4, an outlet area section-5, a tube blank transferring device-6, a left beam assembly-7, a rear contact switch-10, a right beam assembly-11, a rear contact-12, a cross beam-13, a front contact switch-15, a left beam support column-16, a first clamp claw-17, a clamp device-18, a lifting lug-19, a rack-20, a gear-21, a driving shaft-22, a front contact-23, a guide column-24, a brake-25, a driving motor-26, a second clamp claw-27, a right beam support column-28, a guide wheel-29, a guide plate-30, a roller rail-31, a roller-32, a roller shaft-33, a first clamp-34, a hydraulic cylinder-35, a hydraulic rod-36, a second clamp claw-37, a guide support-38, a second guide seat-39, a guide rod-40, a guide, A second bushing-41, a blank pushing cylinder-42, a first guide seat-43, a cylinder end flange-44, a connecting block-45, a connecting sleeve-46, a head pushing device-47, a first bracket-48, a lifting screw-49, a second bracket-50, a transmission shaft-51, a guide rod-52, a guide base-53, a bottom support-54, a first hydraulic cylinder-55, a second hydraulic cylinder-56, a pointer-57, a scale-58, a speed reducing motor-59, a rear side rail-60, a first rolling base-61, a rack assembly-62, a rear rail-63, a rear side pressing device-64, a front pushing head-65, a pin shaft-66, a rack upper cover-67, a rear roller-68, a rear roller lifting hydraulic cylinder-69, a rear roller box-70, an upper guide plate device-71, a pressing hydraulic cylinder-72, an inlet-73, a front roller box guide sleeve-74, a front roller lifting hydraulic cylinder-75, a front roller-76, a front roller, A front rail-77, a pin shaft-78, a rear push head-79, a front side press device-80, a second rolling base-81, a lower guide plate device-82, a front side rail-83, a double-stroke hydraulic cylinder-84, a block-85, a ball hinge lug-86, a buffer-87, a rail base-88, a rear press motor-89, a rear screw nut pair-90, a rear stabilizing hydraulic cylinder-91, a rear screw nut pair-92, a rear press motor-93, a front press motor-94, a front screw nut pair-95, a front stabilizing hydraulic cylinder-96, a front screw nut pair-97, a front press motor-98, a front input shaft-99, a rear input shaft-100, a pinch roller device-101, an outlet base-102, an outlet support-103, a three-roller guide device-104, a pinch roller table-105, an output roller table-106, a pipe-removing cooling device-107, a material-shifting device-108, a driven roller table-109, A base device-110, a mandril roller device-111, a mandril thrust trolley-112, a locking device-113, a mandril replacement support-114, a trolley guide rail-115, a guide rail base-116, a hydraulic buffer-117, a reel device-118, a universal coupling-120, a transmission device-121, a rope pulley assembly-122, a motor-123, a coupling-124, a reducer-125, a universal shaft connecting device-126, a reducer base-127, a front flexible support device-128, a rear flexible support device-129, a lower guide plate component-130, a lower clamping hydraulic cylinder-131, a lower fixed wedge groove-132, a lower claw-133, a lower guide plate-134, a lower lead screw-135, a lower lifting hydraulic cylinder-136, an upper guide plate component-137, a worm lifter-138, an upper lead screw-139, a lifting motor-140, an upper claw-141, an upper main fixed wedge groove-142, an upper main guide plate-143, an upper auxiliary fixed wedge groove-144, And an upper sub guide-145.
Detailed Description
In order to further illustrate the technical solution of the present invention, the present invention is further explained by the following embodiments.
As shown in fig. 1, the high-performance difficult-deformation metal seamless pipe perforating unit comprises a main transmission system 1, a material pushing device 2, a large rolling angle perforating main machine 3, an outlet area section 4, an outlet area section 5 and a pipe blank transferring device 6, wherein the main transmission system 1, the material pushing device 2, the large rolling angle perforating main machine 3, the outlet area section 4 and the outlet area section 5 are sequentially arranged from left to right, the pipe blank transferring device 6 is arranged on the rear side of the material pushing device 2, and the main transmission system 1 is used for providing power for the large rolling angle perforating main machine 3; the tube blank transfer device 6 is used for transferring the tube blank to the pushing device 2; the pushing device 2 is used for receiving the blank sent by the tube blank transferring device 6 and positioning and feeding the blank; the large rolling angle punching host 3 punches the blank by using the power input by the main transmission system; the outlet area first section 4 is mainly used for assisting the large rolling angle perforating main machine 3 to complete perforation, is matched with the outlet area second section 5 to withdraw the ejector rod and turn the perforated capillary tube to be sent to the next station; the outlet area two-section 5 is mainly used for realizing the positioning, feeding and withdrawing of the ejector rod.
As shown in fig. 2 to 7, the pipe blank transfer device 6 includes a left beam support column 16 and a right beam support column 28, a left beam assembly 7 and a right beam assembly 11 are respectively provided on the left beam support column 16 and the right beam support column 28, a front contact switch 15 is provided at each of front ends of the left beam assembly 7 and the right beam assembly 11, a rear contact switch 10 is provided at each of rear ends of the left beam assembly 7 and the right beam assembly 11, a cross beam 13 is provided on the left beam assembly 7 and the right beam assembly 11, a front contact 23 and a rear contact 12 corresponding to the front contact switch 15 and the rear contact switch 10 are respectively provided at each of front and rear portions of the cross beam 13, and when the front contact 23 is in contact with the front contact switch 15 or the rear contact 12 is in contact with the rear contact switch 10, on the one hand, a buffering function is achieved, on the other hand, a signal is transmitted to a control system, and power input of a driving motor 26 and braking of a brake 25 are cut, the upper surfaces of the left beam assembly 7 and the right beam assembly 11 are provided with roller rails 31, the front and rear ends of the left and right sides of the cross beam 13 are provided with rollers 32 corresponding to the roller rails 31 through roller shafts 33, the rollers 32 are arranged in the roller rails 31, racks 20 are arranged on the inner sides of the left beam assembly 7 and the right beam assembly 11, the cross beam 13 is provided with a driving motor 26 and a driving shaft 22, the driving motor 26 is used for providing power for the driving shaft 22, two ends of the driving shaft 22 are provided with gears 21, the gears 21 are meshed with the racks 20 to realize the front and back movement of the cross beam 13, an output shaft of the driving motor 26 is further provided with a brake 25, the inner sides of the left beam assembly 7 and the right beam assembly 11 are provided with guide plates 30, the guide plates 30 are positioned below the racks 20, and guide wheels 29 corresponding to the guide plates 30 are arranged on the left and right ends of the rear portion of the cross beam 13, the guide wheel 29 rolls along the side face of the guide plate 30, bilaterally symmetrical guide holes are further formed in the cross beam 13, guide columns 24 are movably arranged in the guide holes, the lower ends of the guide columns 24 are connected with a clamping device 18 through lifting lugs 19, a hydraulic cylinder mechanism is further arranged on the cross beam 13, an expansion rod of the hydraulic cylinder mechanism is connected with the clamping device 18 to achieve lifting of the clamping device 18, a first clamping jaw 17 and a second clamping jaw 27 which are bilaterally symmetrical are arranged on the clamping device 18, the first clamping jaw 17 and the second clamping jaw 27 are composed of a first clamp 34, a hydraulic cylinder 35 and a second clamp 37, and the hydraulic cylinder 35 and a hydraulic rod 36 installed on the hydraulic cylinder 35 are hinged with the first clamp 34 and the second clamp 37 respectively.
As shown in fig. 19 to 22, the main transmission system 1 includes two motors 123 arranged on the left side in parallel in the front-rear direction, the power of the two motors 123 is respectively input to two speed reducers 125 through couplers 124, a front flexible supporting device 128 and a rear flexible supporting device 129 are arranged on the right side of the speed reducer 125, universal shaft connecting devices 126 are mounted on the front flexible supporting device 128 and the rear flexible supporting device 129, so that the whipping vibration generated by the increase of the working angle of the universal shaft connecting devices 126 due to the increase of the rolling angle can be eliminated, and the stability of the main transmission system 1 in the punching process can be improved, and the two speed reducers 125 respectively transmit the power to the front input shaft 99 and the rear input shaft 100 of the large-rolling-angle punching host machine 3 through the universal shaft connecting devices 126, so as to realize the input of the rolling power.
As shown in fig. 8 and 9, the pushing device 2 includes a guide support 38 and a plurality of bottom supports 54, the bottom support 54 is disposed at the right side of the guide support 38, a second guide seat 39 is disposed on the guide support 38, a second bushing 41 is disposed on the second guide seat 39, a guide base 53 is disposed on the bottom support 54, a first guide seat 43 is disposed at the left portion of the guide base 53, the second guide seat 39 and the first guide seat 43 jointly constitute a support seat of a blank pushing cylinder 42, guide rods 40 are inserted into the second bushing 41 and the first guide seat 43, a connecting block 45 is disposed at the front portion of a cylinder end flange 44 of the blank pushing cylinder 42 for connecting the guide rods 40, a connecting sleeve 46 is disposed at the right end of the guide rods 40 for connecting a pushing head device 47, jointly constitute a pushing device, a plurality of lifting screws 49 are uniformly disposed on the guide base 53, the lifting lead screw 49 is provided with a first bracket 48 and a second bracket 50, the lifting lead screws 49 are connected in series through a transmission shaft 51, the transmission shaft 51 is further connected with a speed reducing motor 59 to obtain lifting power, a first guide rod 52 capable of sliding up and down is further arranged on the guide base 53, the upper end of the first guide rod 52 is fixedly connected with the bottom of the second bracket 50, a first hydraulic cylinder 55 and a second hydraulic cylinder 56 are further respectively arranged below the first bracket 48 and the second bracket 50, the lifting lead screw 49, the first hydraulic cylinder 55 and the second hydraulic cylinder 56 are mutually matched to jointly push the first bracket 48 and the second bracket 50 to move up and down, the bottom of the first bracket 48 is provided with a scale 58, and the base is provided with a pointer 57 corresponding to the scale 58.
As shown in fig. 10-13, the large rolling angle punching host 3 includes a first rolling base 61, a second rolling base 81 and a frame assembly 62, the frame assembly 62 is disposed on the first rolling base 61 and the second rolling base 81, a rear rolling box 70 and a front rolling box 74 are symmetrically disposed on the frame assembly 62 in front and rear directions, a rear pressing device 64 and a front pressing device 80 are respectively disposed on the front and rear sides of the frame assembly 62 for rapidly adjusting the large rolling angle of the roll, the rear pressing device 64 and the front pressing device 80 can be respectively adjusted, the rear pressing device 64 is composed of a rear pressing motor 89, a rear screw nut pair 90, a rear stabilizing hydraulic cylinder 91, a rear screw nut pair 92 and a rear pressing motor 93, the movable ends of the rear screw nut pair 90 and the rear screw nut pair 92 are respectively connected to the left portion and the right portion of the rear rolling box 70 in a ball hinge manner, therefore, the angle adjusting range of the rear roller box 70 is enlarged, the problem that the rear screw-nut pair I90 and the rear screw-nut pair II 92 are blocked or even broken due to the large angle adjusting range is solved, the rear press-in motor I89 and the rear press-in motor II 93 are respectively used for providing power for the rear screw-nut pair I90 and the rear screw-nut pair II 92, two ends of the rear stabilizing hydraulic cylinder 91 are respectively hinged with the rack assembly 62 and the middle part of the rear roller box 70, the front side press-in device 80 is composed of a front press-in motor I94, a front screw-nut pair I95, a front stabilizing hydraulic cylinder 96, a front screw-nut pair II 97 and a front press-in motor II 98, movable ends of the front screw-nut pair I95 and the front screw-nut pair II 97 are respectively connected to the left part and the right part of the front roller box 74 in a ball-hinge mode, the angle adjusting range of the front roller box 74 is enlarged, and the problem that the front screw-nut pair I95 and the front screw-nut pair II 97 are large angle adjusting range causes the blocking or the The problem of jamming and even breakage is solved, the first front pressing motor 94 and the second front pressing motor 98 are respectively used for providing power for a first front lead screw nut pair 95 and a second front lead screw nut pair 97, two ends of the first front stabilizing hydraulic cylinder 96 are respectively hinged with the middle parts of the rack assembly 62 and the front roller box 74, a rack upper cover 67 is arranged above the rack assembly 62, double-stroke hydraulic cylinders 84 are respectively arranged on the front side and the rear side of the rack assembly 62, a front push head 65 and a rear push head 79 hinged with the double-stroke hydraulic cylinders 84 are respectively arranged on the front side and the rear side of the rack upper cover 67, the front push head 65 and the rear push head 79 are respectively connected with ball hinge lug rings 86 at the end parts of the double-stroke hydraulic cylinders 84 through a first pin shaft 66 and a second pin shaft 78, the other end of the double-stroke hydraulic cylinder 84 is hinged with a stop block 85 arranged on the side surface of the rack assembly 62, a front roller lifting hydraulic cylinder 75 and a rear roller lifting hydraulic cylinder 69 which are symmetrical in front and, a front roller 76 and a rear roller 68 are respectively arranged at the lower ends of the front roller lifting hydraulic cylinder 75 and the rear roller lifting hydraulic cylinder 69, a front rail 77 and a rear rail 63 which correspond to the front roller 76 and the rear roller 68 are arranged on the rack assembly 62, two rows of rail bases 88 are further arranged at the right side of the rack assembly 62, a front rail 83 and a rear rail 60 which correspond to the front rail 77 and the rear rail 63 and are connected to each other are respectively arranged on the rail bases 88, a buffer 87 is arranged at the right side of the front rail 83 and the rear rail 60, an upper guide plate device 71 is arranged at the middle part of the upper surface of the rack upper cover 67, a lower guide plate device 82 which corresponds to the upper guide plate device 71 is arranged at the bottom of the rack assembly 62, an inlet guide sleeve 73 is arranged at the left inlet of the rack assembly 62, and a pressing hydraulic cylinder 72 which corresponds to the inlet 73 is further arranged on the rack upper cover 67 to press the inlet guide sleeve 72 during punching operation The guide sleeve 73, thereby providing protection to the inlet guide sleeve 73.
As shown in fig. 23, the upper guide plate assembly 71 includes an upper guide plate assembly 137, an upper lead screw 139 is provided on the upper guide plate assembly 137, the upper end of the upper screw 139 is connected with a worm gear lifter 138, the worm gear lifter 138 is connected with a lifting motor 140, the lower end of the upper screw 139 is hinged with the upper end of an upper hook claw 141, the middle parts of the upper hook claws 141 are hinged on the frame assembly 62, an upper main fixing wedge groove 142 is provided at a lower surface of the upper guide plate assembly 137, an upper main guide plate 143 is provided in the upper main fixing wedge groove 142, an upper auxiliary fixing wedge groove 144 is arranged on the lower surface of the upper main guide plate 143, the upper hook claw 141 and the upper auxiliary fixing wedge groove 144 are matched with each other to fix the upper auxiliary guide plate 145, the upper guide plate device 71 meets the large rolling angle punching requirements of products with different specifications by replacing different upper main guide plates 143 and upper auxiliary guide plates 145.
As shown in fig. 24, the lower guide plate assembly 82 includes a lower guide plate assembly 130, a lower portion of the lower guide plate assembly 130 is slidably disposed on the frame assembly 62, a lower clamping hydraulic cylinder 131 is arranged at one side of the lower part of the lower guide plate assembly 130 and is used for pushing the lower guide plate assembly 130 from the side to fix the lower guide plate assembly 130, a lower fixing wedge groove 132 is provided at an upper portion of the lower guide plate assembly 130, a lower catch 133 is provided at the other side of the lower fixing wedge groove 132, the lower hook claw 133 and the lower fixing wedge groove 132 cooperate to fix the lower guide plate 134, the middle part of the lower hook claw 133 is hinged on the frame assembly 62, the lower part of the lower hook claw 133 is hinged with the lower screw 135, the lower screw 135 is moved leftwards and rightwards to clamp the lower hook claw 133, the left and right sides of the upper portion of the lower guide plate assembly 130 are respectively hinged with a lower lifting hydraulic cylinder 136 for realizing the lifting of the lower guide plate assembly 130.
As shown in fig. 14 and 15, the outlet region section 4 includes a plurality of outlet supports 103 arranged side by side, an outlet base 102 is arranged on the outlet supports 103, a pinch roll device 101 is arranged at the left end of the outlet base 102, four three-roll guiding devices 104 and three run-out roll tables 106 are arranged on the right side of the pinch roll device 101, the three run-out roll tables 106 are respectively arranged between two adjacent three-roll guiding devices 104 at intervals, a pinch roll table 105 is arranged above the first run-out roll table 106, a driven roll table 109 is arranged at the right part of the outlet base 102, a pipe-stripping cooling device 107 is arranged on the right side of the driven roll table 109, a plurality of material-stripping devices 108 are arranged at the rear side of the outlet base 102, and the material-stripping devices 108, the three-roll guiding devices 104 and the run-out roll tables 106 are arranged in a staggered manner.
As shown in fig. 16, 17 and 18, the outlet area section 5 includes a base device 110, a plurality of guide rail bases 116 are disposed on the right side of the base device 110, trolley guide rails 115 are disposed on the guide rail bases 116, the left side of the trolley guide rails 115 extends above the base device 110, the right side is connected to the frame of a reel device 118, a ram idler roller device 111 is disposed on the left end of the base device 110 for supporting a ram, a ram thrust trolley 112 is disposed on the trolley guide rails 115, a locking device 113 is disposed on the ram thrust trolley 112, a ram replacement support 114 is disposed between the base device 110 and the guide rail bases 116 for supporting the ram when replacing the ram, a hydraulic buffer 117 is disposed on the right portion of the trolley guide rails 115, and the hydraulic buffer 117 is disposed between the reel device 118 and the guide rail bases 116, the input of reel device 118 is connected with transmission 121 through universal joint 120 be provided with two rope sheaves side by side about the lower surface of ejector pin thrust dolly 112 rotatable rope sheave assembly 122 that is provided with on frame device 110, rope sheave assembly 122 is for respectively being provided with the cylinder of a recess in the front and back the last reel middle part of reel device 118 is provided with the spacer ring, divide into two parts around the reel, the winding opposite direction of the rope on reel first half and the latter half, the rope of reel first half is walked around the anterior recess of rope sheave assembly 122 in proper order, is located left rope sheave, the recess at rope sheave assembly 122 rear portion, the latter half of the reel and is located the rope sheave on right side and gets back to reel first half.
The essential features and advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.