CN218873593U - Quick-change main roller mechanism for horizontal ring rolling machine - Google Patents
Quick-change main roller mechanism for horizontal ring rolling machine Download PDFInfo
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- CN218873593U CN218873593U CN202222986661.9U CN202222986661U CN218873593U CN 218873593 U CN218873593 U CN 218873593U CN 202222986661 U CN202222986661 U CN 202222986661U CN 218873593 U CN218873593 U CN 218873593U
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- 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
Abstract
The utility model relates to a quick change home roll field provides a horizontal ring rolling machine is with quick change home roll mechanism, include: the main roll comprises a main roll seat, a main roll mold and a main roll shaft, wherein the main roll shaft is arranged on the main roll seat, the periphery of the main roll shaft is sleeved with a shaft sleeve through a flat key, the main roll mold is sleeved on the periphery side of the shaft sleeve, and the bottom end of the shaft sleeve is provided with a limiting table; the quick-change main roller structure is matched with the main roller die; the utility model discloses an adopt quick change main roll structure, solve and change the main roll difficulty and reduce main roll change time and intensity of labour scheduling problem, improved work efficiency greatly.
Description
Technical Field
The utility model relates to a forging equipment technical field especially indicates a horizontal ring rolling machine is with changing main roll mechanism soon.
Background
In recent years, with the rapid growth of wind power projects in China, along with the growth of the requirements of wind power key parts such as electric flanges, annular forgings and the like, the production, size, quality and other aspects of the annular forgings are improved rapidly by the ring rolling machine, the ring rolling machine is rapidly developed towards the technical direction of large-scale, high-speed, precise and other complex annular rolling, the ring rolling equipment with the diameter of phi 2000-phi 12000 is also rapidly developed in China, and the large-scale complex section ring rolling production equipment is widely applied;
the existing ring rolling machine has the following problems: the ring rolling machine is more and more widely applied along with the deepening of the industrial automation process; the ring rolling machine is mainly improved on the basis of the prior art, the main roller in the main roller part is continuously worn in the rolling process, the main roller needs to be replaced at intervals, the supporting seat on the main roller and the main roller are heavy, certain difficulty is brought to production during replacement, the replacement time is long, and the production efficiency is low;
therefore, it is necessary to develop a manufacturing technique for quick-change main rollers.
SUMMERY OF THE UTILITY MODEL
The utility model provides a horizontal ring rolling machine is with quick change main roll mechanism through adopting quick change main roll structure, solves to change the main roll difficulty and reduces main roll change time and intensity of labour scheduling problem, has improved work efficiency greatly.
The technical scheme of the utility model is realized like this:
a horizontal ring rolling machine is with changing main roll mechanism soon includes: the main roll comprises a main roll seat, a main roll mold and a main roll shaft, wherein the main roll shaft is arranged on the main roll seat, the periphery of the main roll shaft is sleeved with a shaft sleeve through a flat key, the main roll mold is sleeved on the periphery side of the shaft sleeve, and the bottom end of the shaft sleeve is provided with a limiting table;
the quick-change main roller structure is matched with the main roller die.
Further, the quick-change main roller structure comprises a first rotating shaft, a second rotating shaft, an upper supporting seat, a cover, an oil cylinder and an oil cylinder seat;
the upper support seat is rotatably arranged on the main roller seat through a first rotating shaft and is hinged with a piston rod of the oil cylinder through a second rotating shaft;
the oil cylinder base is arranged on the main roller base;
the cover is connected with the upper supporting seat;
the cover is fastened to the top of the main roll shaft.
Further, the oil cylinder base is mounted on the main roller base.
Furthermore, the quick-change main roller structure further comprises a lifting hook and a lifting threaded hole, the lifting threaded hole is formed in the upper end face of the main roller die, and the lifting hook is matched with the lifting threaded hole through a threaded column at the bottom.
Further, the lifting threaded holes are provided with a plurality of corresponding lifting hooks.
Further, the quick-change main roller structure further comprises a lower supporting seat and a jacking oil cylinder;
the lower supporting seat is sleeved on the periphery of the main roller shaft, and the lower supporting seat is arranged on an installation position at the lower part of the main roller seat;
the cylinder body of the jacking oil cylinder is arranged on the top surface of the lower supporting seat, and the top end of a piston rod of the jacking oil cylinder is in contact connection with the bottom end face of the main roller mold.
Furthermore, the top end of the main roller shaft is installed on the main roller seat through a first assembly, and the bottom end of the main roller shaft is installed on the main roller seat through a second assembly.
Further, the first component comprises a nut, a first bolt, a gasket, a check ring, a flange plate, a first self-aligning roller bearing, a first taper sleeve, a first cover, a second taper sleeve and a first spacer sleeve;
the first bolt, the nut and the washer are installed on the top of the main roll shaft in a matched mode, the first spacer bush is sleeved on the upper portion of the main roll shaft, the bottom end face of the first spacer bush is in butt joint with the top end face of the main roll mold, the second taper bush is sleeved on the outer peripheral sides of the nut and the main roll shaft, the bottom end face of the second taper bush is in butt joint with the top end face of the first spacer bush, the first taper bush is sleeved on the outer peripheral side of the second taper bush, the top end of the main roll shaft, the second taper bush and the first taper bush are installed in the installation hole of the main roll seat through the first self-aligning roller bearing, the check ring is connected to a step on the outer peripheral side of the upper portion of the first taper bush through threads, the flange is sleeved on the outer peripheral side of the check ring, and the first self-aligning roller bearing is covered on the first cover through the flange and the first cover.
Furthermore, the second assembly comprises a second cover, a third cover, a first sleeve, a second spacer bush, a round nut, a stop washer, a fourth cover, a first self-aligning thrust roller bearing, a second self-aligning thrust roller bearing and a second self-aligning thrust roller bearing;
the second cover is sleeved on the main roller shaft and located at the bottom of the shaft sleeve, the third cover is sleeved on the main roller shaft and located at the bottom of the second cover, and the bottom end of the main roller shaft sequentially passes through the second self-aligning thrust roller bearing, the first cover, the second self-aligning thrust roller bearing, the second cover, the first self-aligning thrust roller bearing, the second spacer bush, the round nut, the stop washer and the fourth cover from top to bottom and is sleeved in the bottom end mounting hole of the main roller seat.
The invention has the advantages that:
(1) The whole structure is reasonable, a mature brand matching part is adopted, the reliability is high, the maintainability is good, and the cost is low;
(2) The time for replacing the main roller is shortened, the labor intensity is reduced and the working efficiency is improved;
(3) A transition sleeve is added between the main roller die and the main roller shaft so as to reduce the weight of the main roller die and save the production cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a top view of a fast-change main roller mechanism for a horizontal ring rolling machine according to an embodiment of the present invention;
FIG. 2 is a sectional view of the fast-change main roller mechanism for the horizontal ring rolling machine shown in FIG. 1 at A-A;
FIG. 3 is a sectional view of the structure of a main roller die of the quick-change main roller mechanism for the horizontal ring rolling machine shown in FIG. 2;
FIG. 4 is a left side view of the structure of the quick-change main roll mechanism for the horizontal ring rolling machine shown in FIG. 2;
FIG. 5 is a half-section top view of the structure at the position B-B of the fast-change main roll mechanism for the horizontal ring rolling machine shown in FIG. 2;
FIG. 6 is a schematic view of an installation structure of a jacking cylinder of the quick-change main roller mechanism for the horizontal ring rolling machine shown in FIG. 5;
description of the reference numerals: a main roller seat 1; a first rotating shaft 2; a second rotation shaft 3; an upper support base 4; a cover 5; a nut 6; a first bolt 7; a gasket 8; a retainer ring 9; a flange plate 10; a first self-aligning roller bearing 11; a first taper sleeve 12; a first cover 13; a second collar 14; a main roll mold 15; a lifting hook 151; a lifting threaded hole 152; a primary roller shaft 17; a second cover 18; a third cover 19; a first sleeve 20; a second set 21; a second spacer 22; a round nut 23; a stop washer 24; a fourth cover 25; a first self-aligning thrust roller bearing 26; a second self-aligning roller bearing 27; a second self-aligning thrust roller bearing 28; a shaft sleeve 29; a flat key 30; a first spacer 31; a cylinder block 32; an oil cylinder 33; a lower support base 38; a jack-up cylinder 39; and a second bolt 42.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the embodiment of the present invention, as shown in fig. 1-6, a fast-changing main roller mechanism for a horizontal ring rolling machine comprises: the main roll comprises a main roll seat 1, a main roll mold 15 and a main roll shaft 17, wherein the main roll shaft 17 is installed on the main roll seat 1, a shaft sleeve 29 is sleeved on the periphery of the main roll shaft 17 through a flat key 30, the main roll mold 15 is sleeved on the periphery side of the shaft sleeve 29, and a limiting table is arranged at the bottom end of the shaft sleeve 29;
the quick-change main roller structure is matched with the main roller die.
In the specific embodiment of the present invention, as shown in fig. 1-6, the quick-change main roller structure includes a first rotating shaft 2, a second rotating shaft 3, an upper supporting seat 4, a cover 5, an oil cylinder 33 and an oil cylinder seat 32;
the upper supporting seat 4 is rotatably mounted on the main roller seat 1 through a first rotating shaft 2, and the upper supporting seat 4 is hinged with a piston rod of the oil cylinder 33 through a second rotating shaft 3;
the oil cylinder seat 32 is arranged on the main roller seat 1;
the cover 5 is connected with the upper supporting seat 4;
the cover 5 is fastened to the top of the primary roller shaft 17.
In the embodiment of the present invention, as shown in fig. 1 to 6, the cylinder block 32 is mounted on the main roller block 1.
In the embodiment of the present invention, see fig. 2 and 3, the quick-change main roller structure further includes a lifting hook 151 and a lifting threaded hole 152, the lifting threaded hole 152 is disposed on the upper end surface of the main roller mold 15, and the lifting hook 151 is matched with the lifting threaded hole 152 through the threaded post at the bottom.
In the embodiment of the present invention, see fig. 2 and 3, the lifting screw hole 152 is provided with a plurality of corresponding lifting hooks 151.
In the specific embodiment of the present invention, as shown in fig. 5 and fig. 6, the quick-change main roller structure further includes a lower support seat 38 and a jacking cylinder 39;
the lower supporting seat 38 is sleeved on the periphery of the main roller shaft 17, and the lower supporting seat 38 is installed on an installation position at the lower part of the main roller seat 1;
the cylinder body of the jacking oil cylinder 39 is arranged on the top surface of the lower supporting seat 38, and the top end of the piston rod of the jacking oil cylinder 39 is in contact connection with the bottom end surface of the main roller mold 15.
In the embodiment of the present invention, as shown in fig. 1-6, the top end of the primary roller shaft 17 is mounted on the primary roller seat 1 through a first component, and the bottom end is mounted on the primary roller seat 1 through a second component.
In the embodiment of the present invention, as shown in fig. 1 to 6, the first component includes a nut 6, a first bolt 7, a washer 8, a retainer ring 9, a flange 10, a first self-aligning roller bearing 11, a first taper sleeve 12, a first cover 13, a second taper sleeve 14, and a first spacer 31;
the first bolt 7, the nut 6 and the washer 8 are mounted on the top of the main roller shaft 17 in a matching manner, the first spacer 31 is sleeved on the upper portion of the main roller shaft 17, the bottom end face of the first spacer 31 is in butt joint with the top end face of the main roller mold 15, the second spacer 14 is sleeved on the outer peripheral sides of the nut 6 and the main roller shaft 17, the bottom end face of the second spacer 14 is in butt joint with the top end face of the first spacer 31, the first taper sleeve 12 is sleeved on the outer peripheral side of the second taper sleeve 14, the first cover 13 is sleeved on the bottom end of the first taper sleeve 12, the top end of the main roller shaft 17, the second taper sleeve 14 and the first taper sleeve 12 are mounted in the mounting hole of the main roller seat 1 through the first self-aligning roller bearing 11, the retainer ring 9 is connected to a step on the outer peripheral side of the upper portion of the first taper sleeve 12 through a thread, the flange 10 is sleeved on the retainer ring 9, and the first cover 13 covers the first self-aligning roller bearing 11 on the first cover 13.
In the embodiment of the present invention, as shown in fig. 1-6, the second assembly includes a second cover 18, a third cover 19, a first sleeve 20, a second sleeve 21, a second spacer 22, a round nut 23, a stop washer 24, a fourth cover 25, a first self-aligning thrust roller bearing 26, a second self-aligning thrust roller bearing 27 and a second self-aligning thrust roller bearing 28;
the second cover 18 is sleeved on the main roller shaft 17 and located at the bottom of the shaft sleeve 29, the third cover 19 is sleeved on the main roller shaft 17 and located at the bottom of the second cover 18, and the bottom end of the main roller shaft 17 sequentially passes through the second self-aligning thrust roller bearing 28, the first sleeve 20, the second self-aligning thrust roller bearing 27, the second sleeve 21, the first self-aligning thrust roller bearing 26, the second spacer 22, the round nut 23, the stop washer 24 and the fourth cover 25 from top to bottom and is sleeved in the bottom end mounting hole of the main roller seat 1.
In the embodiment of the present invention, as shown in fig. 1-6, the radial rolling of the ring member is completed at the middle position of the main roller shaft of the present invention, the main roller mold 15 is installed at the working position of the main roller shaft 17, the lower supporting seat 38 is connected to the main roller seat 1 through the lower bottom block of the main roller seat 1 by bolts, the side of the upper supporting seat 4 is clamped by the first wedge 34, one of the two holes in the upper supporting seat 4 is connected to the main roller seat 1 through the cooperation with the first rotating shaft 2, the other hole is connected to the hole of the piston rod of the oil cylinder 33 through the second rotating shaft 3, the cylinder seat 32 of the oil cylinder 33 is fixed on the main roller seat 1, so that the upper supporting seat 4 can rotate clockwise and counterclockwise around the hole center of the first rotating shaft 2 when the oil cylinder 33 is extended, the first wedge 34 on the upper supporting seat 4 contacts with the second wedge 35 on the main roller seat 1 and positions the upper supporting seat 4; the lower supporting seat 38 is fixed on the main roller seat 1 and the lathe bed; the upper end of a main roll shaft 17 is connected with a first taper sleeve 12 and a second taper sleeve 14 with a first self-aligning roller bearing 11, the lower end of the main roll shaft 17 is connected with a first sleeve 20, a second sleeve 21, a second spacer 22, a round nut 23, a stop washer 24 and a fourth cover 25 with a first self-aligning roller thrust bearing 26, a second self-aligning roller bearing 27, a second self-aligning roller thrust bearing 28 and a first sleeve in a lower support seat 38 hole, an intermediate working part mounting shaft sleeve 29 of the main roll shaft 17 and main roll dies 15,4 jacking oil cylinders 39 are mounted on the lower support seat 38 through second bolts 42, and the first self-aligning roller bearing 11 and the second taper sleeve 14 and the second self-aligning roller bearing 27 are in transition fit with the main roll shaft 17; after the main roller is quickly replaced, the oil cylinder 33 is mainly used for acting to enable the main roller to rotate around the first rotating shaft 2 and drive the upper supporting seat 4 to turn clockwise and upwards, when the central connecting line of the first rotating shaft 2 and the second rotating shaft 3 rotates by 78 degrees, the upper supporting seat 4 drives the cover 5 to be lifted up from the top of the main roller shaft 17, at the moment, the top of the main roller shaft 17 and related parts leak out, then the first bolt 7 is dismounted, two lifting threaded holes are symmetrically formed in the upper end face of the main roller mold 15, lifting hooks are respectively installed in the two lifting threaded holes, 4 lifting oil cylinders 39 are lifted up to lift the main roller mold 15, and then the main roller mold is lifted up through the lifting hooks; on the contrary, after the main roller mold 15 is replaced, the jacking oil cylinder 39 moves downwards to be in place, the hoisted main roller mold 15, the second taper sleeve 14 and the nut 6 move downwards to be in place, after the main roller mold is fixed by the first bolt 7, the oil cylinder 33 drives the upper supporting seat 4 to turn downwards anticlockwise, the first inclined iron 34 on the upper supporting seat 4 is in contact with the second inclined iron 35, the upper supporting seat 4 is positioned, the cover 5 is installed and the like, and the task of quickly replacing the main roller is completed;
in order to reduce the weight of the main roller die 15, a transition sleeve 29 is added between the main roller die 15 and the main roller shaft 17, and meanwhile, the production cost is also saved;
the up-down and left-right central parallelism of the 4 holes on the main roller seat 1 and the 4 holes below is 0.1, and the symmetry of the central plane (front-back direction) of the 4 holes on the main roller seat 1 and the central plane of the main roller seat 1 is 0.08;
the main roller die 15 is made of 42CrMo, is subjected to thermal refining HRC40-43, has the unilateral thickness of more than 10mm and the hardness of more than HRC53, has wear-resisting and corrosion-resisting properties, and is provided with a wear-resisting hard alloy layer on the outer circumferential surface in a surfacing mode;
the main roll shaft 17 adopts 38CrMoAl, thermal refining HB240-260 and integral nitriding HV700.
The working principle is as follows:
the main roll part of the invention is installed and fixed on a lathe bed, when the main roll is quickly changed, the oil cylinder 33 pulls up the upper supporting seat 4, then the bolt on the second taper sleeve 14 is loosened, the jacking oil cylinder 39 on the main roll lower support ejects the main roll mould 15, and then the main roll mould 15 is hoisted;
specifically, one of two holes in an upper supporting seat 4 is used for connecting the upper supporting seat 4 with a main roller seat 1 through a first rotating shaft 2, the other hole is connected with a rod hole of an oil cylinder 33 through a second rotating shaft 3, an oil cylinder seat 32 for fixing the oil cylinder 33 is fixed on the main roller seat 1, so that the upper supporting seat 4 can rotate clockwise and anticlockwise around the hole center of the first rotating shaft 2 when the oil cylinder 33 stretches, a first inclined iron 34 on the upper supporting seat 4 is in contact with a second inclined iron 35 on the main roller seat 1, and the upper supporting seat 4 is positioned; the lower supporting seat 38 is fixed on the main roller seat 1 and the lathe bed, the upper end of the main roller shaft 17 is connected with the first taper sleeve 12 and the second taper sleeve 14 with the first self-aligning roller bearing 11, the lower end of the main roller shaft 17 is connected with the first self-aligning roller thrust bearing 26, the second self-aligning roller thrust bearing 27, the second self-aligning roller thrust bearing 28 and the first sleeve 20, the second sleeve 21, the second spacer 22, the round nut 23, the stop washer 24 and the fourth cover 25 in the holes of the lower supporting seat 38, the transition sleeve and the main roller mold are installed on the middle working part of the main roller shaft 17, and the 4 jacking oil cylinders 39 are installed on the lower supporting seat 38 through the second bolts 42;
the quick-change main roller mainly utilizes the action of the oil cylinder 33 to drive the upper supporting seat 4 to turn clockwise and upwards, when the central connecting line of the first rotating shaft 2 and the second rotating shaft 3 rotates (78 degrees), the upper supporting bolt 7 is detached, the upper end surface of the main roller die 15 is provided with a lifting threaded hole and 2 lifting hooks, the jacking oil cylinder 39 acts, and the 4 jacking oil cylinders 39 lift up to jack the main roller 15 and lift up to replace the main roller; on the contrary, after the main roller 15 is replaced, 4 jacking oil cylinders 39 act and move downwards to be in place, the hoisting main roller 15, the second taper sleeve 14 and the nut 6 move downwards to be in place, after the bolts 7 are used for fixing, the oil cylinders 33 act to drive the upper supporting seat 4 to turn downwards anticlockwise, the inclined irons 34 on the upper supporting seat 4 contact with the inclined irons 35 on the main roller seat, the upper supporting seat is positioned, the cover 5 is installed, and the like, so that the task of quickly replacing the main roller is completed;
the method is mainly used for rolling production of large-scale complex-section ring pieces.
The working process is as follows:
the device is prepared and started, a button is pressed to start working, an electric control system, a hydraulic system, a lubricating system, a reduction gearbox and a cooling system respectively provide power for the device, and the device is prepared before working, and works such as connecting a power supply, connecting a power supply of a low-voltage control cabinet, connecting a power supply of an oil pump control cabinet, connecting a UPS power supply and the like. The 'adjustment' working mode operation is carried out, a 'manual' working mode and an 'automatic' working mode are entered, a 'starting oil cylinder 33' button is pressed, the oil cylinder 33 acts, the upper supporting seat 4 is driven to turn upwards clockwise by rotating around a shaft 2, when the central connecting line of the shaft 2 and the shaft 3 rotates (78 degrees), a first bolt 7 is detached, a lifting threaded hole is formed in the upper end surface of the main roller mold, 2 lifting hooks are installed, the jacking oil cylinder 39 acts, and the 4 jacking oil cylinders 39 rise to jack the main roller mold 15 and lift the main roller mold, so that the main roller mold can be replaced; on the contrary, after the main roller die 15 is replaced, 4 jacking oil cylinders 39 act and move downwards to be in place, the main roller die 15, the second taper sleeve 14 and the nut 6 are hoisted and moved downwards to be in place, after the main roller die is fixed by the first bolt 7, the oil cylinders 33 act to drive the upper supporting seat 4 to turn downwards anticlockwise, the inclined iron 34 on the upper supporting seat 4 is in contact with the inclined iron 35 on the main roller seat 1, the upper supporting seat 4 is positioned, and the like, so that the main roller quick-change task is completed.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A horizontal ring rolling machine is with changing main roll mechanism soon includes: the main roll comprises a main roll seat (1), a main roll mold (15) and a main roll shaft (17), wherein the main roll shaft (17) is installed on the main roll seat (1), a shaft sleeve (29) is sleeved on the periphery of the main roll shaft (17) through a flat key (30), the main roll mold (15) is sleeved on the outer peripheral side of the shaft sleeve (29), and a limiting table is arranged at the bottom end of the shaft sleeve (29);
the method is characterized in that: the quick-change main roller structure is matched with the main roller die.
2. The fast-changing main roll mechanism for the horizontal ring rolling machine according to claim 1, characterized in that: the quick-change main roller structure comprises a first rotating shaft (2), a second rotating shaft (3), an upper supporting seat (4), a cover (5), an oil cylinder (33) and an oil cylinder seat (32);
the upper supporting seat (4) is rotatably arranged on the main roller seat (1) through a first rotating shaft (2), and the upper supporting seat (4) is hinged with a piston rod of the oil cylinder (33) through a second rotating shaft (3);
the oil cylinder seat (32) is arranged on the main roller seat (1);
the cover (5) is connected with the upper supporting seat (4);
the cover (5) is fastened to the top of the main roller shaft (17).
3. The fast-changing main roller mechanism for the horizontal ring rolling machine as claimed in claim 2, characterized in that: the oil cylinder seat (32) is installed on the main roller seat (1).
4. The fast-changing main roller mechanism for the horizontal ring rolling machine as claimed in claim 2, characterized in that: the quick-change main roller structure further comprises a lifting hook (151) and a lifting threaded hole (152), the lifting threaded hole (152) is formed in the upper end face of the main roller die (15), and the lifting hook (151) is matched with the lifting threaded hole (152) through a threaded column at the bottom.
5. The fast-changing main roller mechanism for the horizontal ring rolling machine as claimed in claim 4, wherein: the lifting threaded holes (152) are arranged in a plurality, correspondingly, the lifting hooks (151) are arranged in a plurality.
6. The fast-changing main roller mechanism for the horizontal ring rolling machine according to claim 1, characterized in that: the quick-change main roller structure further comprises a lower supporting seat (38) and a jacking oil cylinder (39);
the lower supporting seat (38) is sleeved on the periphery of the main roller shaft (17), and the lower supporting seat (38) is installed on an installation position at the lower part of the main roller seat (1);
the cylinder body of the jacking oil cylinder (39) is arranged on the top surface of the lower supporting seat (38), and the top end of a piston rod of the jacking oil cylinder (39) is in contact connection with the bottom end face of the main roller mold (15).
7. The fast-changing main roller mechanism for the horizontal ring rolling machine as claimed in claim 2, characterized in that: the top end of the main roll shaft (17) is installed on the main roll seat (1) through a first assembly, and the bottom end of the main roll shaft is installed on the main roll seat (1) through a second assembly.
8. The fast-changing main roller mechanism for the horizontal ring rolling machine according to claim 7, characterized in that: the first component comprises a nut (6), a first bolt (7), a gasket (8), a retainer ring (9), a flange plate (10), a first self-aligning roller bearing (11), a first taper sleeve (12), a first cover (13), a second taper sleeve (14) and a first spacer sleeve (31);
the first bolt (7) is matched with the nut (6) and the gasket (8) and installed at the top of the main roller shaft (17), the first spacer sleeve (31) is sleeved on the upper portion of the main roller shaft (17), the bottom end face of the first spacer sleeve (31) is in butt joint with the top end face of the main roller mold (15), the second spacer sleeve (14) is sleeved on the outer peripheral side of the nut (6) and the main roller shaft (17), the bottom end face of the second spacer sleeve (14) is in butt joint with the top end face of the first spacer sleeve (31), the first taper sleeve (12) is sleeved on the outer peripheral side of the first taper sleeve (14), the first cover (13) is sleeved on the bottom end of the first taper sleeve (12), the top end of the main roller shaft (17) together with the first taper sleeve (14) and the first taper sleeve (12) are installed in a mounting hole of the main roller seat (1) through the first aligning roller bearing (11), the retainer ring (9) is connected to a step of the upper portion of the first taper sleeve (12) through threads, the outer peripheral side (10) is installed on the first flange (10), and the first flange (13) covers the first roller (13).
9. The fast-changing main roller mechanism for the horizontal ring rolling machine according to claim 8, characterized in that: the second assembly comprises a second cover (18), a third cover (19), a first sleeve (20), a second sleeve (21), a second spacer sleeve (22), a round nut (23), a stop washer (24), a fourth cover (25), a first self-aligning thrust roller bearing (26), a second self-aligning thrust roller bearing (27) and a second self-aligning thrust roller bearing (28);
the second cover (18) is sleeved on the main roller shaft (17) and located at the bottom of the shaft sleeve (29), the third cover (19) is sleeved on the main roller shaft (17) and located at the bottom of the second cover (18), and the bottom end of the main roller shaft (17) sequentially passes through the second self-aligning thrust roller bearing (28), the first sleeve (20), the second self-aligning thrust roller bearing (27), the second sleeve (21), the first self-aligning thrust roller bearing (26), the second spacer sleeve (22), the round nut (23), the stop washer (24) and the fourth cover (25) from top to bottom in a bottom mounting hole of the main roller seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222986661.9U CN218873593U (en) | 2022-11-09 | 2022-11-09 | Quick-change main roller mechanism for horizontal ring rolling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222986661.9U CN218873593U (en) | 2022-11-09 | 2022-11-09 | Quick-change main roller mechanism for horizontal ring rolling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218873593U true CN218873593U (en) | 2023-04-18 |
Family
ID=85954274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222986661.9U Active CN218873593U (en) | 2022-11-09 | 2022-11-09 | Quick-change main roller mechanism for horizontal ring rolling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218873593U (en) |
-
2022
- 2022-11-09 CN CN202222986661.9U patent/CN218873593U/en active Active
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