CN111054792B - A lower roller shaft head connection structure of a working roller - Google Patents
A lower roller shaft head connection structure of a working roller Download PDFInfo
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- CN111054792B CN111054792B CN201911358021.XA CN201911358021A CN111054792B CN 111054792 B CN111054792 B CN 111054792B CN 201911358021 A CN201911358021 A CN 201911358021A CN 111054792 B CN111054792 B CN 111054792B
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- fixed
- seat
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- roller
- shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
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Abstract
本发明公开了一种工作辊的下辊轴头联接结构，包括下辊座、键、轴头、固定座、连杆、扭力座和液压传动装置；下辊座的外侧安装有空心的固定座、液压传动装置的外壳上安装有空心的扭力座，固定座外端设置有一对相对设置的切口，扭力座外端设置有一对相对设置的凸起，凸起和切口宽度相适应且相互配合，下辊的一端穿过下辊座与液压传动装置的输出杆连接，切口两侧的固定座和扭力座之间通过拉杆装置连接。本发明的扭力座与液压传动装置外沿相连，为扭矩输入提供固定，连杆的将固定座与扭力座相连，防止轴向过量窜动，固定座凹处与扭力座凸处相配合，上下紧密配合可以抗扭，水平方向可以滑动，下辊与液压传动装置形成一定角度，同时保证扭矩的传递。
The present invention discloses a lower roller shaft head connection structure of a working roller, including a lower roller seat, a key, a shaft head, a fixed seat, a connecting rod, a torque seat and a hydraulic transmission device; a hollow fixed seat is installed on the outer side of the lower roller seat, a hollow torque seat is installed on the outer shell of the hydraulic transmission device, a pair of oppositely arranged cutouts are arranged at the outer end of the fixed seat, a pair of oppositely arranged protrusions are arranged at the outer end of the torque seat, the protrusions and the cutouts are adapted to each other in width and cooperate with each other, one end of the lower roller passes through the lower roller seat and is connected to the output rod of the hydraulic transmission device, and the fixed seat and the torque seat on both sides of the cutout are connected by a pull rod device. The torque seat of the present invention is connected to the outer edge of the hydraulic transmission device to provide fixation for torque input, the connecting rod connects the fixed seat to the torque seat to prevent excessive axial movement, the concave part of the fixed seat cooperates with the convex part of the torque seat, the upper and lower parts are tightly matched to resist torsion, and can slide in the horizontal direction, the lower roller forms a certain angle with the hydraulic transmission device, and the transmission of torque is ensured at the same time.
Description
Technical Field
The invention relates to the technical field of plate bending machines, in particular to a lower roll shaft head connecting structure of a working roll.
Background
The existing horizontal down-regulating three-roller plate bending machine is developed from mechanical drive to hydraulic drive direction, the center distance of the two lower rollers is adjustable to adapt to cylinder diameters of different specifications, and the two lower rollers can be adjusted to be splayed to adapt to a rolled cone. The lower roller and the hydraulic transmission device are in two states, namely, the lower roller is collinear with the hydraulic transmission device, and the lower roller and the hydraulic transmission device have a certain included angle. The original mechanical drive realizes torque transmission and horizontal movement adaptation by the expansion and contraction of the cross universal connector. After being driven by hydraulic pressure, the connecting mechanism of the lower roller shaft head and the hydraulic motor needs to bear torque, and needs to bear certain horizontal displacement, so that a specific mechanism needs to be developed and designed to realize the two functions at the same time.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art, and provides a lower roll shaft head connecting structure of a working roll, which can bear certain horizontal displacement and torque.
The technical problems of the invention are mainly solved by the following technical proposal:
The invention discloses a lower roll shaft head connecting structure of a working roll, which comprises a lower roll seat, a key, a shaft head, a fixed seat, a connecting rod, a torsion seat and a hydraulic transmission device, wherein the hollow fixed seat is arranged at the outer side of the lower roll seat, the hollow torsion seat is arranged on a shell of the hydraulic transmission device, a pair of oppositely arranged notches are arranged at the outer end of the fixed seat, a pair of oppositely arranged protrusions are arranged at the outer end of the torsion seat, the widths of the protrusions and the notches are matched with each other, one end of the lower roll penetrates through the lower roll seat and is connected with an output rod of the hydraulic transmission device, and the fixed seats at the two sides of the notches are connected with the torsion seat through a pull rod device.
Further, the depth of the cutout is greater than the length of the protrusion.
Further, a fixed roller panel is arranged on one side of the notch, a plurality of fixed rollers are arranged in the fixed roller panel, the side faces of the protrusions are stopped on the fixed roller panel, a pushing mechanism is arranged on the other side of the notch, and the pushing mechanism presses the protrusions on the fixed rollers.
Further, a plurality of fixed roller mounting holes are longitudinally formed in the fixed roller paneling, fixed shaft end grooves are formed in two sides of each fixed roller mounting hole, the cross section of each fixed shaft end groove is rectangular, fixed threaded holes are formed in the bottoms of the fixed shaft end grooves, fixed rollers are mounted on Kong Zhongan, the fixed rollers are sleeved on fixed shaft rods, two ends of each fixed shaft rod are respectively arranged in the fixed shaft end grooves in two sides of each fixed roller mounting hole, and the fixed shaft rods are mounted in the fixed threaded holes through screws.
Further, the fixed rolling shafts are uniformly distributed in an arc direction, the movable rolling shafts are uniformly distributed in an arc direction, and the rotation axes of the fixed rolling shafts and the movable rolling shafts are all through the overturning axis of the lower roller.
Further, the tight mechanism in top includes movable roller paneling, movable roller paneling vertically is provided with a plurality of movable roller mounting holes, every movable roller mounting hole both sides all are provided with movable axle end groove, movable axle end groove cross-section is the rectangle, movable axle end groove bottom is provided with movable screw hole, movable roller installation Kong Zhongan is equipped with movable roller, movable roller sleeve is established on the movable axostylus axostyle, movable axostylus axostyle both ends set up respectively in the movable axle end groove of both sides in the movable roller mounting hole, the screw passes through movable axostylus axostyle, compression spring after install in the movable screw hole.
Further, the notches and the protrusions are provided with a plurality of groups in one-to-one correspondence.
Further, the pull rod device comprises pull rod fixing seats arranged on the side surfaces of the torsion seat and the fixing seats, pull rods are arranged between a pair of corresponding fixing seats in a penetrating mode, and threads are arranged on the pull rods on two sides of the fixing seats.
Further, the section of the fixing seat is hollow rectangular or circular.
In the invention, the torsion seat is connected with the outer edge of the hydraulic transmission device to provide fixation for torque input, the connecting rod connects the fixed seat with the torsion seat to prevent excessive axial movement, the concave part of the fixed seat is matched with the convex part of the torsion seat, the upper and lower tight matching can resist torsion, the lower roller can slide in the horizontal direction, and a certain angle is formed between the lower roller and the hydraulic transmission device, and meanwhile, the transmission of torque is ensured.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the construction of the lower roller head coupling of the work roll of the present invention;
FIG. 2 is a schematic view of a lower roller head coupling structure of a work roll according to a first embodiment of the present invention;
FIG. 3 is a schematic view of a lower roller head coupling structure of a work roll according to a second embodiment of the present invention;
FIG. 4 is a schematic view of the structure of the fixed roller panel of the present invention;
FIG. 5 is a schematic view of the structure of the present invention at the location of the movable roller;
fig. 6 is a schematic view of the structure of the present invention at the position of the movable roller.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Example 1
Referring to fig. 1 and 2, a lower roll shaft head connecting structure of a working roll comprises a lower roll seat 1, a key 2, a shaft head 3, a fixed seat 4, a connecting rod 5, a torsion seat 6 and a hydraulic transmission device 7, wherein the hollow fixed seat 4 is arranged on the outer side of the lower roll seat 1, the section of the fixed seat 4 is hollow round, the hollow torsion seat 6 is arranged on a shell of the hydraulic transmission device 7, a pair of oppositely arranged notches 10 are arranged at the outer end of the fixed seat 4, a pair of oppositely arranged bulges 9 are arranged at the outer end of the torsion seat 6, the widths of the bulges 9 and the notches 10 are matched with each other, one end of the lower roll penetrates through the lower roll seat 1 to be connected with an output rod of the hydraulic transmission device 7, and the fixed seat 4 and the torsion seat 6 at two sides of the notches 8 are connected through a pull rod device 8. The external driving device can drive the lower roller to incline upwards or downwards, the lower roller drives the torsion seat 6 to incline together with the hydraulic transmission device 7, the incision 10 is fixed in position, the torsion seat 6 can move axially by a short distance relative to the fixed seat 4 and can incline relative to the torsion seat 6, and meanwhile, the fixed seat 4 can bear the torsion of the hydraulic transmission device 7 due to the cooperation of the incision 10 and the bulge 9.
Preferably, the depth of the cut-out 10 is greater than the length of the protrusion 9. The torsion seat 6 can move outwards for a short distance and also can move inwards for a short distance;
Referring to fig. 4 and 5, a fixed roller panel 11 is disposed on one side of the notch 10, a plurality of fixed rollers 12 are disposed in the fixed roller panel 11, the protrusion 9 is laterally stopped on the fixed roller panel 11, a tightening mechanism 20 is disposed on the other side of the notch 10, and the tightening mechanism 20 presses the protrusion 9 on the fixed rollers 12. Since the equipment is subjected to vibration and overturning for a long time, in order to prevent the side surfaces of the protrusions 9 and the side surfaces of the cutouts 10 from being worn relatively for a long time, the protrusions 9 are guided to be in movable contact simultaneously by the fixed rollers 12, so that shaking of the hydraulic transmission device 7 caused by a worn gap during rotation can be effectively prevented. Optimally, the fixed roller 12 can be replaced by a ball, thereby realizing an omnidirectional movable fit.
The fixed roller panel 11 is longitudinally provided with a plurality of fixed roller mounting holes 13, each fixed roller mounting hole 13 is provided with a fixed shaft end groove 14 on two sides, the section of the fixed shaft end groove 14 is rectangular, the bottom of the fixed shaft end groove 14 is provided with a fixed threaded hole 15, the fixed roller 12 is mounted in the fixed roller mounting hole 13, the fixed roller 12 is sleeved on the fixed shaft lever 16 in a sleeved mode, two ends of the fixed shaft lever 16 are respectively arranged in the fixed shaft end grooves 14 on two sides in the fixed roller mounting hole 13, and the fixed shaft lever 16 is mounted in the fixed threaded hole 15 through screws. The torsion seat 6 and the hydraulic transmission device 7 can be guided to move by the fixed roller 12 when being obliquely overturned together, and the device is convenient to assemble and disassemble.
Referring to fig. 6, the tightening mechanism 20 includes a movable roller panel 21, a plurality of movable roller mounting holes 22 are longitudinally provided in the movable roller panel 21, movable shaft end slots 23 are provided on both sides of each movable roller mounting hole 22, the section of each movable shaft end slot 23 is rectangular, movable threaded holes 24 are provided at the bottom of each movable shaft end slot 23, movable rollers 25 are mounted in the movable roller mounting holes 24, the movable rollers 25 are sleeved on movable shaft rods 26, both ends of each movable shaft rod 26 are respectively provided in the movable shaft end slots 23 on both sides of each movable roller mounting hole 22, and screws are mounted in the movable threaded holes 24 after passing through the movable shaft rods 26 and compression springs 27. The movable roller 25 can be pushed against the other side of the projection 9 by the compression spring 27, pressing the projection 9 against the fixed roller 12.
The fixed rolling shafts 12 are uniformly distributed in an arc direction, the movable rolling shafts 25 are uniformly distributed in an arc direction, and the rotation axes of the fixed rolling shafts 12 and the movable rolling shafts 25 pass through the overturning axis of the lower roller. When the torsion seat 6 and the hydraulic transmission device 7 are overturned together, the locus of the position of the bulge 9 is in a circular arc shape, and the circular arc shape is provided with a fixed roller 12 and a movable roller 25 which are used for being identical with the locus of the bulge 9.
Example two
Referring to fig. 3, the difference between the present embodiment and the first embodiment is that the section of the fixing seat 4 is a hollow rectangle, the plurality of groups of the slits 10 and the protrusions 9 are arranged in a one-to-one correspondence manner, and the slits 10 and the protrusions 9 are arranged in a staggered manner. The combination of the plurality of sets of cutouts 10 and the protrusions 9 increases the contact area against torque.
The pull rod device 8 comprises pull rod fixing seats 81 arranged on the side surfaces of the torsion seat 6 and the fixing seats 4, pull rods 82 are arranged between a pair of mutually corresponding fixing seats 4 in a penetrating mode, and threads are arranged on the pull rods 82 on two sides of the fixing seats 4. The length of the pull rod 82 can be adjusted through threads, so that the axial positions of the torsion seat 6 and the hydraulic transmission device 7 can be adjusted.
The foregoing is merely illustrative of specific embodiments of the present invention, and the scope of the invention is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (9)
1. The lower roll shaft head connecting structure of the working roll is characterized by comprising a lower roll seat, a key, a shaft head, a fixing seat, a connecting rod, a torsion seat and a hydraulic transmission device, wherein the hollow fixing seat is arranged on the outer side of the lower roll seat, the hollow torsion seat is arranged on a shell of the hydraulic transmission device, a pair of oppositely arranged notches are arranged at the outer end of the fixing seat, a pair of oppositely arranged protrusions are arranged at the outer end of the torsion seat, the widths of the protrusions and the notches are adaptive and are matched with each other, one end of the lower roll penetrates through the lower roll seat to be connected with an output rod of the hydraulic transmission device, and the fixing seats at the two sides of the notches are connected with the torsion seat through a pull rod device.
2. The lower roller head coupling structure of a work roll according to claim 1, wherein the depth of the cutout is greater than the length of the projection.
3. The lower roller shaft head coupling structure of a work roll according to claim 2, wherein a fixed roller panel is provided at one side of the slit, a plurality of fixed rollers are provided in the fixed roller panel, the convex side is stopped on the fixed roller panel, and a pressing mechanism is provided at the other side of the slit, the pressing mechanism pressing the convex against the fixed roller.
4. The lower roller shaft head coupling structure of a work roll according to claim 3, wherein the fixed roller panel is longitudinally provided with a plurality of fixed roller mounting holes, both sides of each fixed roller mounting hole are provided with fixed shaft end grooves, the cross section of each fixed shaft end groove is rectangular, the bottom of each fixed shaft end groove is provided with a fixed threaded hole, the fixed roller is mounted Kong Zhongan, the fixed roller is sleeved on a fixed shaft rod, both ends of the fixed shaft rod are respectively arranged in the fixed shaft end grooves on both sides of each fixed roller mounting hole, and the fixed shaft rod is mounted in the fixed threaded hole through a screw.
5. The lower roller shaft head connecting structure of the working roller according to claim 4, wherein the tightening mechanism comprises a movable roller panel, a plurality of movable roller mounting holes are longitudinally formed in the movable roller panel, movable shaft end grooves are formed in two sides of each movable roller mounting hole, the cross section of each movable shaft end groove is rectangular, movable threaded holes are formed in the bottoms of the movable shaft end grooves, movable rollers are mounted on movable roller mounting Kong Zhongan, the movable rollers are sleeved on movable shaft rods, two ends of each movable shaft rod are respectively arranged in the movable shaft end grooves in two sides of each movable roller mounting hole, and screws are mounted in the movable threaded holes after passing through the movable shaft rods and compression springs.
6. The lower roll shaft head connecting structure of the working roll according to claim 5, wherein the fixed rolls are uniformly distributed in an arc direction, the movable rolls are uniformly distributed in an arc direction, and the rotation axes of the fixed rolls and the movable rolls pass through the turning axis of the lower roll.
7. The lower roll shaft head connecting structure of the working roll according to claim 6, wherein a plurality of groups of the notches and the protrusions are arranged in a one-to-one correspondence.
8. The lower roll shaft head connecting structure of the working roll according to claim 1, wherein the pull rod device comprises pull rod fixing seats arranged on the side surfaces of the torsion seat and the fixing seats, pull rods are penetrated between a pair of mutually corresponding fixing seats, and threads are arranged on the pull rods on two sides of the fixing seats.
9. The lower roll shaft head connecting structure of the working roll according to claim 7, wherein the section of the fixing seat is hollow rectangle or round.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911358021.XA CN111054792B (en) | 2019-12-25 | 2019-12-25 | A lower roller shaft head connection structure of a working roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911358021.XA CN111054792B (en) | 2019-12-25 | 2019-12-25 | A lower roller shaft head connection structure of a working roller |
Publications (2)
| Publication Number | Publication Date |
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| CN111054792A CN111054792A (en) | 2020-04-24 |
| CN111054792B true CN111054792B (en) | 2025-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911358021.XA Active CN111054792B (en) | 2019-12-25 | 2019-12-25 | A lower roller shaft head connection structure of a working roller |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211839672U (en) * | 2019-12-25 | 2020-11-03 | 泰安华鲁锻压机床有限公司 | Lower roll shaft head connecting structure of working roll |
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| JPS5890320A (en) * | 1981-11-20 | 1983-05-30 | Sumitomo Metal Ind Ltd | Torsion defect preventing method in roll forming |
| US4831857A (en) * | 1988-03-18 | 1989-05-23 | Tishken Products Co. | Machine with quick disconnect between spindle drive train and power transmission |
| CA2003702C (en) * | 1989-11-23 | 1993-08-31 | Jack-Eric Vandenbroucke | Roll former and/or cutter with quick automated tool changer |
| JPH0735602Y2 (en) * | 1993-02-12 | 1995-08-16 | 川崎重工業株式会社 | Rolling stand |
| SE527735C2 (en) * | 2004-10-11 | 2006-05-23 | Jonas Alfredson | differential lock |
| DE102005054742A1 (en) * | 2005-04-12 | 2006-10-19 | Sms Demag Ag | Drive spindle for the main drive of a rolling stand |
| CN101549373A (en) * | 2009-05-13 | 2009-10-07 | 无锡洲翔重工科技有限公司 | Horizontally down-adjusted three-roll plate bending machine |
| PT2390017E (en) * | 2010-05-27 | 2015-11-04 | Haeusler Holding Ag | Roll-bending machine with three rollers |
| CN201906760U (en) * | 2010-11-30 | 2011-07-27 | 泰安华鲁锻压机床有限公司 | Driving device for hydraulic motor of upper roll of plate bending machine |
| CN208261529U (en) * | 2018-04-27 | 2018-12-21 | 中冶南方工程技术有限公司 | The roll shaft end construction of energy fast roll changing |
| CN209035114U (en) * | 2018-09-15 | 2019-06-28 | 大连市甘井子区炳林铆焊厂 | A kind of milling train hydraulic open-close formula cabinet |
| CN209631807U (en) * | 2019-01-08 | 2019-11-15 | 广东含元工业技术有限公司 | A kind of adjustable milling train of in-line arrangement convexity |
| CN110341306B (en) * | 2019-08-20 | 2024-09-24 | 贵州劲嘉新型包装材料有限公司 | Roller frame end cover structure of transmission side inking roller |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211839672U (en) * | 2019-12-25 | 2020-11-03 | 泰安华鲁锻压机床有限公司 | Lower roll shaft head connecting structure of working roll |
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Address after: 271000 Shandong Province, Taian City, Gaoxin Development Zone, Tiantimen Street 2577 Patentee after: Tai'an Hualu Equipment Technology Group Co.,Ltd. Country or region after: China Address before: 271000 Shandong Province Taian City Longtan Road 381.NO Patentee before: TAI'AN HUALU METALFORMING MACHINE TOOL Co.,Ltd. Country or region before: China |
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