CN112387784A - Width-adjustable rolling forming mechanism for bridge production - Google Patents
Width-adjustable rolling forming mechanism for bridge production Download PDFInfo
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- CN112387784A CN112387784A CN202011155549.XA CN202011155549A CN112387784A CN 112387784 A CN112387784 A CN 112387784A CN 202011155549 A CN202011155549 A CN 202011155549A CN 112387784 A CN112387784 A CN 112387784A
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- roller
- driven gear
- fixedly connected
- forming mechanism
- rolling forming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
- B21B31/06—Fastening stands or frames to foundation, e.g. to the sole plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/12—Toothed-wheel gearings specially adapted for metal-rolling mills; Housings or mountings therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
- B21B2013/025—Quarto, four-high stands
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
- B21B2031/026—Transverse shifting the stand
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a width-adjustable rolling forming mechanism for bridge production, which comprises a driving mechanism, wherein one side of the driving mechanism is fixedly connected with a speed reducer, the bottom of the speed reducer is fixedly connected with a fixing table, the output end of the driving mechanism is fixedly connected with a driving gear, one side of the driving gear is meshed with a first driven gear, the top of the first driven gear is meshed with a second driven gear, and the other side of the driving gear is meshed with a third driven gear. The width-adjustable rolling forming mechanism for bridge production increases the processing width when the first hydraulic mechanism works, and reduces the processing width when the second hydraulic mechanism works, so that the processing width of the whole rolling forming mechanism can be quickly adjusted, the whole rolling forming mechanism can be adapted to bridge materials with various widths, and the adaptability is strong; the machining width of roll forming mechanism can carry out quick adjustment, and the adjustment is automatic adjustment, and the adjustment speed is fast, need not dismantle the installation accessory, and work efficiency is high.
Description
Technical Field
The invention relates to the technical field of bridge production, in particular to a width-adjustable rolling forming mechanism for bridge production.
Background
The cable bridge is divided into structures such as a groove type cable bridge, a tray type cable bridge, a ladder type cable bridge, a grid bridge and the like, and is composed of a support, a supporting arm, an installation accessory and the like. The steel plate can be independently erected and also can be laid on various buildings (structures) and pipe gallery supports, the characteristics of simple structure, attractive appearance, flexible configuration, convenience in maintenance and the like are reflected, all parts need to be galvanized and installed on an outdoor bridge outside the building, and if the steel plate is near the seaside or belongs to a corrosive area, the steel plate must have the physical characteristics of corrosion resistance, moisture resistance, good adhesive force and high impact strength. When the bridge is produced, bridge materials need to be punched and then rolled, and the rolling is carried out in a rolling forming mechanism, namely the existing rolling forming mechanism is that the bridge materials are arranged between an upper roller and a lower roller and are rolled and formed by the pressure of the rollers. The length of the existing roller is fixed, so that the existing roller cannot be easily adapted to bridge materials with various widths, the fitting of the adaptation needs to be disassembled and then assembled, the adaptation is poor, and the working efficiency is low.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a width-adjustable rolling forming mechanism for bridge production, which has the advantages of capability of quickly adjusting the length of a roller, easiness in adapting and rolling bridge materials with various widths, strong adaptability, high working efficiency and the like, and solves the problems that the existing rolling forming mechanism cannot easily adapt to bridge materials with various widths, needs to disassemble and assemble corresponding accessories, and is poor in adaptability and low in working efficiency.
(II) technical scheme
In order to achieve the purposes of quickly adjusting the length of the roller, easily adapting and rolling bridge frame materials with various widths, strong adaptability and high working efficiency, the invention provides the following technical scheme: a width-adjustable rolling forming mechanism for bridge production comprises a driving mechanism, wherein a speed reducer is fixedly connected to one side of the driving mechanism, a fixing table is fixedly connected to the bottom of the speed reducer, and a driving gear is fixedly connected to the output end of the driving mechanism;
a first driven gear is meshed with one side of the driving gear, a second driven gear is meshed with the top of the first driven gear, a third driven gear is meshed with the other side of the driving gear, a fourth driven gear is meshed with the top of the third driven gear, one sides of the driving gear, the first driven gear, the second driven gear, the third driven gear and the fourth driven gear are movably connected with a device plate, a first roller is fixedly connected with one side of the first driven gear, a second roller is fixedly connected with one side of the second driven gear, a third roller is fixedly connected with one side of the third driven gear, and a fourth roller is fixedly connected with one side of the fourth driven gear;
the outer surfaces of the first roller, the second roller, the third roller and the fourth roller are movably connected with linear ball bearings, the inner sides of the linear ball bearings are movably connected with inner rings, balls are movably connected on the inner rings, and the inner rings and the balls are movably connected to the outer surfaces of the first roller, the second roller, the third roller and the fourth roller;
one end of the linear ball bearing is fixedly connected with a rack, the inner side of the rack is fixedly connected with a supporting rod, and the other end of the supporting rod is fixedly connected to the bottom of the outer surface of the linear ball bearing;
the bottom of the rack is fixedly connected with a base, the outer surface of the base is movably connected with a rail, the top of the base is provided with a threaded hole, the inner side of the rail is movably connected with a roller, the top of the rail is provided with a positioning hole, the threaded hole is connected with a stud in a threaded manner, the stud is inserted into the positioning hole, and the top of the stud is fixedly connected with a knob;
one side of the track is provided with a first hydraulic mechanism, the other side of the track is provided with a second hydraulic mechanism, the first hydraulic mechanism comprises a first ejection end, and the second hydraulic mechanism comprises a second ejection end
Preferably, two sides of the driving gear are respectively engaged with the first driven gear and the third driven gear, and the driving gear has the same structure as the first driven gear, the second driven gear, the third driven gear and the fourth driven gear.
Preferably, the first roller, the second roller, the third roller and the fourth roller are all the same in length, and the first roller, the second roller, the third roller and the fourth roller are made of cold-work die steel.
Preferably, the length of the linear ball bearing is half of the length of the first roller, and the shape of the linear ball bearing is matched with the shapes of the first roller, the second roller, the third roller and the fourth roller.
Preferably, the inner ring and the balls are movably connected to the inner side of the linear ball bearing, and the rack is fixedly connected to the middle of the top of the machine base.
Preferably, the material of bracing piece is forty-five steel, the bracing piece is 30-40 degrees with the contained angle of sharp ball bearing bottom, the both ends of bracing piece respectively with sharp ball bearing and frame fixed connection.
Preferably, the base and the frame are of an integral structure, and the shape of the base is matched with that of the track.
Preferably, the linear array of rollers is inside the track, the top of the rollers being in contact with the bottom of the housing.
Preferably, the diameters of the threaded holes and the positioning holes are the same, the positions of the threaded holes correspond to the positions of the positioning holes, and the positioning holes are arranged at the top of the track in a linear array.
Preferably, the stud is in threaded connection with the threaded hole and inserted into the positioning hole, the first ejection end is aligned with the middle of one side of the machine base, and the second ejection end is aligned with the middle of the other side of the machine base.
(III) advantageous effects
Compared with the prior art, the invention provides a width-adjustable rolling forming mechanism for bridge production, which has the following beneficial effects:
1. the width-adjustable rolling forming mechanism for bridge production is characterized in that a driving gear is fixedly connected to the output end of a driving mechanism, a first driven gear is meshed to one side of the driving gear, when the driving mechanism works, the driving gear rotates to drive the first driven gear and the third driven gear on two sides to rotate, the first driven gear and the third driven gear respectively drive the second driven gear and the fourth driven gear to rotate, so that a first roller and a second roller reversely rotate, the third roller and the fourth roller reversely rotate, a bridge material is positioned between the first roller and the second roller and between the third roller and the fourth roller and is rolled and formed by the first roller, the second roller, the third roller and the fourth roller, linear ball bearings are movably connected to the outer surfaces of the first roller, the second roller, the third roller and the fourth roller, and the bottom of each linear ball bearing is supported by a support rod, at the moment, the distance between one end of the linear ball bearing, which is far away from the rack, and the inner side of the device plate is the width of the roll forming bridge, the length of the linear ball bearing is half of that of the first roller, one end of the linear ball bearing is fixedly connected with the rack, the base at the bottom of the rack is movably connected with the rail, the bottom of the base is pressed on the roller, the base, the rack and the linear ball bearing can easily move on the roller by acting force on the base, when the first hydraulic mechanism works, the first ejection end can push the base to move towards the outer side, so that the linear ball bearing moves on the outer surface of the roller, the lengths of exposed parts of the first roller, the second roller, the third roller and the fourth roller are increased, and the processing width is increased, and similarly, when the second hydraulic mechanism works, the processing width can be reduced, so that the processing width of the whole roll forming mechanism can be quickly adjusted, simultaneously when the screw hole of orbital locating hole and frame is aligned, use stud and knob threaded connection frame and run through the track to fix the frame, can reach the mesh of carrying out quick adjustment to the workable width of roll forming mechanism like this, the crane span structure material of various widths of adaptation, the suitability is strong.
2. The width-adjustable rolling forming mechanism for bridge frame production is characterized in that linear ball bearings are movably connected to the outer surfaces of a first roller, a second roller, a third roller and a fourth roller, the bottoms of the linear ball bearings are supported by supporting rods, the distance between one end, away from a rack, of each linear ball bearing and the inner side of a device plate is the width of the bridge frame formed by rolling, the length of each linear ball bearing is half of that of the first roller, one end of each linear ball bearing is fixedly connected with the rack, a base at the bottom of the rack is movably connected with a rail, the bottom of the base is pressed on a roller, the base, the rack and the linear ball bearings can easily move on the roller integrally under the action of force on the base, and when the first hydraulic mechanism works, the first ejection ends can push the base to move towards the outer side so that the linear ball bearings move on the outer surfaces of the rollers, thereby first gyro wheel has been increased, the second gyro wheel, the length of third gyro wheel and fourth gyro wheel exposure part, thereby workable width has been increased, and on the same hand, the second hydraulic pressure mechanism during operation, workable width can be reduced, thereby make whole roll forming mechanism process width carry out the rapid draing, simultaneously when the screw hole of orbital locating hole and frame is aligned, use the double-screw bolt and pass through the track when knob threaded connection frame, thereby fix the frame, like this can be through the first hydraulic pressure mechanism of straight line ball, the second hydraulic pressure mechanism, the frame, the track, the roller, the cooperation setting of double-screw bolt carries out the rapid draing to the process width of roll forming mechanism, the adjustment is automatic adjustment, the regulating speed is fast, need not dismantle installation accessories, high work efficiency.
Drawings
Fig. 1 is a schematic structural view of a first view angle of a width-adjustable rolling forming mechanism for bridge production according to the present invention;
fig. 2 is a schematic structural view of a second view angle of the width-adjustable rolling forming mechanism for bridge production according to the present invention;
FIG. 3 is a schematic structural view of a linear ball bearing of a width-adjustable rolling forming mechanism for bridge production according to the present invention;
fig. 4 is a schematic structural diagram of a frame of a width-adjustable rolling forming mechanism for bridge production according to the present invention;
fig. 5 is a schematic structural diagram of a width-adjustable rolling forming mechanism base for bridge production according to the present invention;
fig. 6 is an enlarged structural schematic diagram of a position a in a composition 5 of a width-adjustable rolling forming machine for bridge production according to the present invention.
In the figure: 1-driving mechanism, 2-speed reducer, 3-fixed station, 4-driving gear, 5-first driven gear, 6-second driven gear, 7-third driven gear, 8-fourth driven gear, 9-mounting plate, 10-first roller, 11-second roller, 12-third roller, 13-fourth roller, 14-linear ball bearing, 15-inner ring, 16-ball, 17-frame, 18-supporting rod, 19-frame, 20-track, 21-threaded hole, 22-roller, 23-positioning hole, 24-stud, 25-knob, 26-first hydraulic mechanism, 2601-first ejection end, 27-second hydraulic mechanism and 2701-second ejection end.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a width-adjustable rolling forming mechanism for bridge production comprises a driving mechanism 1, a speed reducer 2 is fixedly connected to one side of the driving mechanism 1, a fixing table 3 is fixedly connected to the bottom of the speed reducer 2, and a driving gear 4 is fixedly connected to the output end of the driving mechanism 1;
a first driven gear 5 is meshed at one side of a driving gear 4, a second driven gear 6 is meshed at the top of the first driven gear 5, a third driven gear 7 is meshed at the other side of the driving gear 4, a fourth driven gear 8 is meshed at the top of the third driven gear 7, a device plate 9 is movably connected at one side of the driving gear 4, the first driven gear 5, the second driven gear 6, the third driven gear 7 and the fourth driven gear 8, a first roller 10 is fixedly connected at one side of the first driven gear 5, a second roller 11 is fixedly connected at one side of the second driven gear 6, a third roller 12 is fixedly connected at one side of the third driven gear 7, and a fourth roller 13 is fixedly connected at one side of the fourth driven gear 8;
the outer surfaces of the first roller 10, the second roller 11, the third roller 12 and the fourth roller 13 are movably connected with linear ball bearings 14, the inner sides of the linear ball bearings 14 are movably connected with inner rings 15, the inner rings 15 are movably connected with balls 16, and the inner rings 15 and the balls 16 are movably connected with the outer surfaces of the first roller 10, the second roller 11, the third roller 12 and the fourth roller 13;
one end of the linear ball bearing 14 is fixedly connected with a frame 17, the inner side of the frame 17 is fixedly connected with a support rod 18, and the other end of the support rod 18 is fixedly connected with the bottom of the outer surface of the linear ball bearing 14;
the bottom of the frame 17 is fixedly connected with a base 19, the outer surface of the base 19 is movably connected with a rail 20, the top of the base 19 is provided with a threaded hole 21, the inner side of the rail 20 is movably connected with a roller 22, the top of the rail 20 is provided with a positioning hole 23, the threaded hole 21 is internally threaded with a stud 24, the stud 24 is inserted in the positioning hole 23, and the top of the stud 24 is fixedly connected with a knob 25;
a first hydraulic mechanism 26 is disposed on one side of the rail 20, a second hydraulic mechanism 27 is disposed on the other side of the rail 20, the first hydraulic mechanism 26 includes a first ejecting end 2601, and the second hydraulic mechanism 27 includes a second ejecting end 2701.
As a preferred technical scheme of the invention: the two sides of the driving gear 4 are respectively engaged with the first driven gear 5 and the third driven gear 7, the driving gear 4 is the same as the first driven gear 5, the second driven gear 6, the third driven gear 7 and the fourth driven gear 8 in structure, the first roller 10, the second roller 11, the third roller 12 and the fourth roller 13 are all the same in length, the first roller 10, the second roller 11, the third roller 12 and the fourth roller 13 are made of cold-work die steel, when the driving mechanism 1 works, the driving gear 4 rotates so as to drive the first driven gear 5 and the third driven gear 7 on the two sides to rotate, the first driven gear 5 and the third driven gear 7 respectively drive the second driven gear 6 and the fourth driven gear 8 to rotate, so that the first roller 10 and the second roller 11 rotate in opposite directions, the third roller 12 and the fourth roller 13 rotate in opposite directions, and the bridge frame material is positioned between the first roller 10 and the second roller 11, and is positioned between the third roller 12 and the fourth roller 13, and is formed by rolling and pressing;
the length of the linear ball bearing 14 is half of the length of the first roller 10, the shape of the linear ball bearing 14 is matched with the shapes of the first roller 10, the second roller 11, the third roller 12 and the fourth roller 13, the inner ring 15 and the balls 16 are movably connected to the inner side of the linear ball bearing 14, the linear ball bearing 14 can move relative to the first roller 10, the second roller 11, the third roller 12 and the fourth roller 13, the balls 16 are linearly arrayed on the inner side of the linear ball bearing 14, and the frame 17 is fixedly connected to the middle of the top of the machine base 19;
the material of the support rod 18 is forty-five steel, the included angle between the support rod 18 and the bottom of the linear ball bearing 14 is 30-40 degrees, the support rod 18 can support the linear ball bearing 14, and simultaneously support the first roller 10, the second roller 11, the third roller 12 and the fourth roller 13, so that the strength of the linear ball bearing 14 is ensured, the normal operation of the roll forming work is ensured, and two ends of the support rod 18 are respectively fixedly connected with the linear ball bearing 14 and the rack 17;
the base 19 and the frame 17 are of an integral structure, the shape of the base 19 is matched with that of the track 20, the rollers 22 are linearly arrayed on the inner side of the track 20, the tops of the rollers 22 are contacted with the bottom of the base 19, and the base 19, the frame 17 and the linear ball bearing 14 can be easily moved on the rollers 22 integrally by acting force on the base 19;
the threaded holes 21 and the positioning holes 23 have the same diameter, the threaded holes 21 correspond to the positioning holes 23, the linear array of the positioning holes 23 is arranged at the top of the rail 20, the studs 24 are screwed in the threaded holes 21 and inserted in the positioning holes 23, when the positioning holes 23 of the rail 20 and the threaded holes 21 of the machine base 19 are aligned, the machine base 19 is fixed by using the studs 24 and the knobs 25 to be screwed in the machine base 19 and penetrate through the rail 20, the first ejection end 2601 directly faces the middle part of one side of the machine base 19, the second ejection end 2701 directly faces the middle part of the other side of the machine base 19, when the first hydraulic mechanism 26 works, the first ejection end 2601 can eject the machine base 19 to move outwards, so that the linear ball bearings 14 move on the outer surfaces of the rollers, the lengths of the exposed parts of the first roller 10, the second roller 11, the third roller 12 and the fourth roller 13 are increased, and the processing, similarly, the second hydraulic mechanism 27 can reduce the processing width during operation, so that the processing width of the whole rolling forming mechanism can be adjusted rapidly.
When the driving mechanism 1 is in use, when the driving mechanism 1 works, the driving gear 4 rotates to drive the first driven gear 5 and the third driven gear 7 on two sides to rotate, the first driven gear 5 and the third driven gear 7 drive the second driven gear 6 and the fourth driven gear 8 to rotate respectively, so that the first roller 10 and the second roller 11 rotate in opposite directions, the third roller 12 and the fourth roller 13 rotate in opposite directions, the bridge material is positioned between the first roller 10 and the second roller 11 and between the third roller 12 and the fourth roller 13 and is formed by rolling by the first roller and the second roller, when the width needs to be adjusted, the driving mechanism 1 stops working, when the first hydraulic mechanism 26 works, the first ejection end 2601 can push the base 19 to move towards the outer side, so that the linear ball bearing 14 moves on the outer surface of the rollers, so that the lengths of the exposed parts of the first roller 10, the second roller 11, the third roller 12 and the fourth roller 13 are increased, thereby the workable width has been increased, and on the same hand, the workable width can be reduced to the during operation of second hydraulic mechanism 27 to make whole roll forming mechanism processing width carry out quick adjustment, simultaneously when the locating hole 23 of track 20 and the screw hole 21 of frame 19 align, use double-screw bolt 24 and knob 25 threaded connection frame 19 and run through track 20 simultaneously, thereby fix frame 19, can reach the purpose of carrying out quick adjustment to the workable width of roll forming mechanism like this.
In summary, in the width-adjustable rolling forming mechanism for bridge production, the outer surfaces of the first roller 10, the second roller 11, the third roller 12 and the fourth roller 13 are movably connected with the linear ball bearing 14, the bottom of the linear ball bearing 14 is supported by the support rod 18, the distance between one end of the linear ball bearing 14 away from the frame 17 and the inner side of the mounting plate 9 is the width of the bridge formed by rolling, the length of the linear ball bearing 14 is half of that of the first roller 10, one end of the linear ball bearing 14 is fixedly connected with the frame 17, the frame 19 at the bottom of the frame 17 is movably connected with the rail 20, the bottom of the frame 19 presses the roller 22, the frame 19, the frame 17 and the linear ball bearing 14 can easily move integrally on the roller 22 by acting force on the frame 19, and when the first hydraulic mechanism 26 works, the first ejecting end 2601 can push the frame 19 to move outwards, the linear ball bearing 14 moves on the outer surface of the roller, so that the length of the exposed parts of the first roller 10, the second roller 11, the third roller 12 and the fourth roller 13 is increased, the processing width is increased, and similarly, the processing width can be reduced when the second hydraulic mechanism 27 works, so that the processing width of the whole rolling forming mechanism is rapidly adjusted, and meanwhile, when the positioning hole 23 of the rail 20 is aligned with the threaded hole 21 of the base 19, the stud 24 and the knob 25 are used for being in threaded connection with the base 19 and penetrating through the rail 20, so that the base 19 is fixed, the purpose of rapidly adjusting the processing width of the rolling forming mechanism can be achieved, bridge materials with various widths can be adapted, and the adaptability is strong; the outer surfaces of the first roller 10, the second roller 11, the third roller 12 and the fourth roller 13 are movably connected with a linear ball bearing 14, the bottom of the linear ball bearing 14 is supported by a support rod 18, at this time, the distance between one end of the linear ball bearing 14, which is far away from the rack 17, and the inner side of the mounting plate 9 is the width of the roll-formed bridge, the length of the linear ball bearing 14 is half of that of the first roller 10, one end of the linear ball bearing 14 is fixedly connected with the rack 17, a base 19 at the bottom of the rack 17 is movably connected with a rail 20, the bottom of the base 19 presses on the roller 22, the base 19, the rack 17 and the linear ball bearing 14 can be easily moved integrally on the roller 22 by acting force on the base 19, and when the first hydraulic mechanism 26 works, the first ejecting end 2601 can eject the base 19 to move outwards, so that the linear ball bearing 14 moves on the outer surfaces of the rollers, thereby the length of the exposed part of the first roller 10, the second roller 11, the third roller 12 and the fourth roller 13 is increased, thereby the machinable width is increased, and similarly, when the second hydraulic mechanism 27 works, the machinable width can be reduced, thereby the machinable width of the whole rolling forming mechanism is rapidly adjusted, and simultaneously, when the positioning hole 23 of the rail 20 is aligned with the threaded hole 21 of the base 19, the stud 24 and the knob 25 are used for being in threaded connection with the base 19 and penetrating through the rail 20, thereby the base 19 is fixed, thus the machinable width of the rolling forming mechanism can be rapidly adjusted through the matching arrangement of the first hydraulic mechanism 26 of the linear ball, the second hydraulic mechanism 27, the base 19, the rail 20, the roller 22 and the stud 24, the adjustment is automatic, the adjustment speed is high, and the installation and installation accessories are not required to be disassembled, so that the working efficiency is high.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The width-adjustable rolling forming mechanism for bridge production is characterized by comprising a driving mechanism (1), wherein one side of the driving mechanism (1) is fixedly connected with a speed reducer (2), the bottom of the speed reducer (2) is fixedly connected with a fixed platform (3), and the output end of the driving mechanism (1) is fixedly connected with a driving gear (4);
a first driven gear (5) is meshed at one side of the driving gear (4), a second driven gear (6) is meshed at the top of the first driven gear (5), a third driven gear (7) is meshed at the other side of the driving gear (4), a fourth driven gear (8) is meshed at the top of the third driven gear (7), one side of the driving gear (4), one side of the first driven gear (5), one side of the second driven gear (6), one side of the third driven gear (7) and one side of the fourth driven gear (8) are movably connected with a device plate (9), one side of the first driven gear (5) is fixedly connected with a first roller (10), one side of the second driven gear (6) is fixedly connected with a second roller (11), one side of the third driven gear (7) is fixedly connected with a third roller (12), one side of the fourth driven gear (8) is fixedly connected with a fourth roller (13);
the outer surfaces of the first roller (10), the second roller (11), the third roller (12) and the fourth roller (13) are movably connected with linear ball bearings (14), the inner sides of the linear ball bearings (14) are movably connected with inner rings (15), the inner rings (15) are movably connected with balls (16), and the inner rings (15) and the balls (16) are movably connected with the outer surfaces of the first roller (10), the second roller (11), the third roller (12) and the fourth roller (13);
one end of the linear ball bearing (14) is fixedly connected with a rack (17), the inner side of the rack (17) is fixedly connected with a supporting rod (18), and the other end of the supporting rod (18) is fixedly connected to the bottom of the outer surface of the linear ball bearing (14);
the bottom of the rack (17) is fixedly connected with a base (19), the outer surface of the base (19) is movably connected with a rail (20), the top of the base (19) is provided with a threaded hole (21), the inner side of the rail (20) is movably connected with a roller (22), the top of the rail (20) is provided with a positioning hole (23), the threaded hole (21) is internally connected with a stud (24), the stud (24) is inserted into the positioning hole (23), and the top of the stud (24) is fixedly connected with a knob (25);
one side of the track (20) is provided with a first hydraulic mechanism (26), the other side of the track (20) is provided with a second hydraulic mechanism (27), the first hydraulic mechanism (26) comprises a first ejection end (2601), and the second hydraulic mechanism (27) comprises a second ejection end (2701).
2. The rolling forming mechanism with the adjustable width for bridge frame production as claimed in claim 1, wherein: the two sides of the driving gear (4) are respectively meshed with the first driven gear (5) and the third driven gear (7), and the driving gear (4) is identical to the first driven gear (5), the second driven gear (6), the third driven gear (7) and the fourth driven gear (8) in structure.
3. The rolling forming mechanism with the adjustable width for bridge frame production as claimed in claim 1, wherein: the length of the first roller (10), the length of the second roller (11), the length of the third roller (12) and the length of the fourth roller (13) are the same, and the first roller (10), the second roller (11), the length of the third roller (12) and the length of the fourth roller (13) are made of cold-work die steel.
4. The rolling forming mechanism with the adjustable width for bridge frame production as claimed in claim 1, wherein: the length of the linear ball bearing (14) is half of the length of the first roller (10), and the shape of the linear ball bearing (14) is matched with the shapes of the first roller (10), the second roller (11), the third roller (12) and the fourth roller (13).
5. The rolling forming mechanism with the adjustable width for bridge frame production as claimed in claim 1, wherein: the inner ring (15) and the balls (16) are movably connected to the inner side of the linear ball bearing (14), and the rack (17) is fixedly connected to the middle of the top of the machine base (19).
6. The rolling forming mechanism with the adjustable width for bridge frame production as claimed in claim 1, wherein: the material of bracing piece (18) is forty-five steel, the contained angle of bracing piece (18) and linear ball bearing (14) bottom is 30-40 degrees, the both ends of bracing piece (18) respectively with linear ball bearing (14) and frame (17) fixed connection.
7. The rolling forming mechanism with the adjustable width for bridge frame production as claimed in claim 1, wherein: the machine base (19) and the machine frame (17) are of an integral structure, and the shape of the machine base (19) is matched with that of the track (20).
8. The rolling forming mechanism with the adjustable width for bridge frame production as claimed in claim 1, wherein: the linear array of rollers (22) is inside the track (20), the top of the rollers (22) being in contact with the bottom of the housing (19).
9. The rolling forming mechanism with the adjustable width for bridge frame production as claimed in claim 1, wherein: the diameters of the threaded holes (21) and the positioning holes (23) are the same, the positions of the threaded holes (21) and the positioning holes (23) correspond, and the positioning holes (23) are arranged at the top of the rail (20) in a linear array mode.
10. The rolling forming mechanism with the adjustable width for bridge frame production as claimed in claim 1, wherein: the stud (24) is in threaded connection with the threaded hole (21) and is inserted into the positioning hole (23), the first ejection end (2601) is opposite to the middle of one side of the machine base (19), and the second ejection end (2701) is opposite to the middle of the other side of the machine base (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011155549.XA CN112387784A (en) | 2020-10-26 | 2020-10-26 | Width-adjustable rolling forming mechanism for bridge production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011155549.XA CN112387784A (en) | 2020-10-26 | 2020-10-26 | Width-adjustable rolling forming mechanism for bridge production |
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| Publication Number | Publication Date |
|---|---|
| CN112387784A true CN112387784A (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011155549.XA Pending CN112387784A (en) | 2020-10-26 | 2020-10-26 | Width-adjustable rolling forming mechanism for bridge production |
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| CN (1) | CN112387784A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113042533A (en) * | 2021-03-15 | 2021-06-29 | 湖南工程学院 | Titanium-aluminum composite metal sheet forming rolling mill |
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