Two-way gyration cold reduction mill of two roll collar calibers
(1) technical field
The utility model relates to the cold pilger mill technical field, is specially Two-way gyration cold reduction mill of two roll collar calibers.
(2) background technology
Two its structures of collars pass cold pilger mill comprise revolving structure and rolled structure, and described revolving structure drives the rotating while rolled structure of copper pipe blank the copper pipe blank is rolled.Because what revolving structure adopted is one-directional rotation, the copper pipe blank part that is processed into copper pipe just can not be by rolling like this, and the moment of torsion that produces when one-directional rotation of copper pipe can't be eliminated simultaneously, (from) and rolling simultaneously, the length of copper pipe can be restricted, can not be rolling according to customer requirements.
(3) summary of the invention
Weak point at existing two collars pass cold pilger mills, the utility model provides another two collars pass cold pilger mill, it can bi-directional rotary, the moment of torsion that long copper pipe blank produces in rotation process can be eliminated automatically, so can carry out rolling to the copper pipe of moulding in the rolling copper pipe blank.
Its technical scheme is such: it comprises motor, and described motor drives final drive shaft by belt wheel, and the two ends of described final drive shaft drive rolled structure and revolving structure by shaft coupling respectively; Described rolled structure comprises power shaft, described power shaft drives two pairs of meshing gears, the driven gear of described two pairs of meshing gears drives slide by connecting rod respectively, roll is installed on two described slides, the roll shaft two ends of described roll are respectively installed with gear, described gear meshes with tooth bar respectively, and described tooth bar is installed on frame respectively; Described revolving structure comprises double-speed motor, hydraulic pump, power shaft, the described hydraulic pump pressure regulator valve that is linked in sequence, overflow valve, hydraulic control valve, described power shaft connects described final drive shaft, described power shaft connects output shaft by meshing gear, the middle part of described output shaft is set with crankshaft-link rod, described crankshaft-link rod connects the slide bar of sending control valve to, the shaft extension end of described output shaft drives driven output shaft by meshing gear, described driven output sleeve is equipped with the revolution crankshaft-link rod, described revolution crankshaft-link rod connects the slide bar of rotary control valve, the described input of sending control valve and rotary control valve to is connected with described hydraulic control valve respectively, the described output of sending control valve to connects sends oil motor to, the described oil motor of sending to drives feed screw by meshing gear, it is characterized in that: described rotary control valve connects the bi-directional rotary oil motor, described bi-directional rotary oil motor drives the revolution screw mandrel by meshing gear, described revolution screw mandrel is near a side of described roll, the outside suit slide of described revolution screw mandrel, the junction of described screw mandrel and described slide, described screw mandrel is set with axle sleeve, described axle sleeve is connected with the axle sleeve that is set in the core bar outside by meshing gear, the axle sleeve of described core bar outside passes the workpiece that is set in core bar by the chuck connection, be provided with screw in the described slide, described screw and the engagement of described screw mandrel; The afterbody of described revolution screw mandrel is installed on tailstock, the junction of described screw mandrel and described tailstock, described screw mandrel is set with axle sleeve, described axle sleeve is connected with the axle sleeve that is set in the core bar outside by meshing gear, the axle sleeve of described core bar outside connects described core bar by chuck, described core bar and described workpiece rotational synchronization.
It is further characterized in that: it also comprises into dish rolling structure, described one-tenth dish rolling structure comprises frame, motor, pressure roller dish, the charging aperture of described frame, discharging opening are provided with charging guide post and discharging guide post respectively, be not provided with the table top guide post every certain distance on described frame, the two ends of described table top guide post are respectively arranged with the circular arc inductor; Described pressure roller closed reel comprises two fixedly pressure roller dish and mobile pressure roller dishes, described motor drives two fixedly closed reels by belt wheel, meshing gear, described mobile closed reel is installed on support, described support connects screw mandrel, described screw mandrel is connected with the nut that is installed on frame, and described circular arc inductor is connected with described electric control respectively.
In the said structure of the present utility model, motor drives revolving structure and rolled structure simultaneously by final drive shaft, and the rotary motor in the revolving structure drives copper pipe and the revolution of core bar synchronous bidirectional by screw mandrel, can in time eliminate copper pipe because of rotating the moment of torsion that produces, the copper pipe of processing can carry out rolling in rolling, so the length of copper pipe can not be restricted, thereby avoided existing two collars passes revolution cold pilger mill, it can only one-directional rotation, the shortcoming that the length of copper pipe can be restricted, and the setting of rolling structure can realize automatic winding, has guaranteed that further the processing length of copper pipe can not be restricted.
(4) description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a J place enlarged drawing among Fig. 1;
Fig. 3 is a K place enlarged drawing among Fig. 1;
Fig. 4 is a M place enlarged drawing among Fig. 1;
Fig. 5 is a L place enlarged drawing among Fig. 1;
The structural representation that Fig. 6 faces left and looks for pressure roller among Fig. 5;
Fig. 7 is a N place partial sectional view among Fig. 2;
Fig. 8 is an O place partial sectional view among Fig. 3;
For clear parts of expressing among the figure, the ratio that above-mentioned each accompanying drawing amplifies is inconsistent.
(5) specific embodiment
See Fig. 1, Fig. 3, Fig. 4, the utility model comprises motor 41, and motor 41 drives final drive shaft 34 by belt wheel 31, and the two ends of final drive shaft 34 drive rolled structure and revolving structure by shaft coupling 33,28 respectively; Rolled structure comprises power shaft 28a, power shaft 28a drives two pairs of meshing gears 27,35 and 26,25, driven gear 35,25 drives slide 39,23 by connecting rod 36,24 respectively, the two ends of roll 40 are installed on slide 39,23, the roll shaft two ends of roll 40 are respectively installed with gear 38, gear 38 respectively with tooth bar 22,37 engagement, tooth bar 22,37 is installed on frame 21 (among Fig. 3, being positioned at the below of tooth bar 22 with tooth bar 22 meshed gears) respectively; See Fig. 2, Fig. 4, revolving structure comprises double-speed motor 1, hydraulic pump 3, power shaft 33a, hydraulic pump 3 pressure regulator valve 15 that is linked in sequence, overflow valve 16, hydraulic control valve 18, power shaft 33a connects final drive shaft 34, power shaft 33a is by meshing gear 42,43 connect output shaft 44a, the middle part of output shaft 44a is set with crankshaft-link rod 44, crankshaft-link rod 44 connects the slide bar 45 of sending control valve 46 to, the shaft extension end of output shaft 44a is by meshing gear 47,48 drive driven output shaft 49, driven output shaft 49 is set with revolution crankshaft-link rod 50, revolution crankshaft-link rod 50 connects the slide bar 51 of rotary control valve 52, the input of sending control valve and rotary control valve to is connected with described hydraulic control valve respectively, the output of sending control valve 46 to connects sends oil motor 17 (see figure 2)s to, send oil motor 17 to by meshing gear 14,13 and 12,11 drive feed screw 10, rotary control valve 52 connects bi-directional rotary oil motor 4, bi-directional rotary oil motor 4 is by meshing gear 6,7 drive revolution screw mandrel 8, revolution screw mandrel 8 is near a side of roll 40, the outside suit slide 83a of revolution screw mandrel 8 sees Fig. 8), the junction of revolution screw mandrel 8 and slide 83a, screw mandrel 8 is set with axle sleeve 79a, axle sleeve 79a is connected with the axle sleeve 80 that is set in core bar 9 outsides by meshing gear 79,80a is a key, axle sleeve 80 passes the workpiece 82 that is set in core bar 9 by chuck 81 connections, be provided with screw 83 in the slide 83a, screw 83 and screw mandrel 10 engagements; See Fig. 7, the afterbody of revolution screw mandrel 8 is installed on tailstock 78, the junction of revolution screw mandrel 8 and tailstock 78, screw mandrel is set with axle sleeve 77a, axle sleeve 77a is connected with the axle sleeve 76 that is set in core bar 9 outsides by meshing gear 77, and axle sleeve 76 connects core bar 9 by chuck 20, core bar 9 and workpiece 82 rotational synchronization.The utility model also comprises into dish rolling structure, described one-tenth dish rolling structure comprises frame 59, motor 67, pressure roller dish, the charging aperture of frame 59, discharging opening are provided with charging guide post 56 and discharging guide post 61 respectively, be provided with table top guide post 57 every certain distance on frame 59, the two ends of one of them table top guide post 57 are respectively arranged with circular arc inductor 55,58; The pressure roller closed reel comprises two fixedly 62,65 and mobile pressure roller dishes 64 of pressure roller dish, motor 67 drives two fixedly closed reels 62,65 by belt wheel 68, meshing gear 66,69,70, mobile closed reel 64 is installed on support 71, support 71 connects screw mandrel 72, screw mandrel 72 is connected with the nut 73 that is installed on frame 74, and circular arc inductor 58,55 electricly connects with motor 67 respectively.Copper pipe 82 forms circular discs by pressure roller dish 62,65,64 compacting back, and circular discs rolls up dish after can being hung on the projecting shaft 75 of support 74.Below in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4 describes course of action of the present utility model: motor 41 drives final drive shaft 34 by belt pulley 31 and rotates, final drive shaft 34 is on the one hand by air clutch 30, shaft coupling 28, meshing gear 25,26,35,27 drivening rods 24,36 motions, connecting rod 24,36 spur slide 23 respectively, thereby 40 realizations of 39 drive rolls are rolling to workpiece, meanwhile, final drive shaft 34 is respectively by meshing gear 42,43, crankshaft-link rod 44 controls are sent control valve 46 to and are passed through meshing gear 4749, crankshaft-link rod 50 control rotary control valves 52, send control valve 46 control rotary motor oils 4 to and drive polished rod 8, rotary control valve 52 drives feed screw 10 by sending oil motor 17 to, polished rod 8 drives workpiece 82 two-way rotations by meshing gear 79, and screw mandrel 10 moves by driving slide 83a, slide 83a drives workpiece 82 by chuck 81 and sends to together, and in the rolling structure, circular arc inductor 55,58 can be converted into the signal of telecommunication with the signal that detects timely, 67 actions of control winding motor, in time with workpiece 82 rollings that roll out, 63 is the workpiece closed reel.Among Fig. 2,2,5 is that shaft coupling, 29,32 bearing blocks, 53 are that angle of revolution control valve, 54 is that feed control valve, 60 is axle.A among Fig. 2, Fig. 4, B, C, D, E, F, G, H, I represent tubing interface.