CN101549373A

CN101549373A - Horizontally down-adjusted three-roll plate bending machine

Info

Publication number: CN101549373A
Application number: CNA200910027201XA
Authority: CN
Inventors: 徐惠忠; 杨艾琴
Original assignee: Wuxi Zhouxiang Heavy Industry Technology Co Ltd
Current assignee: Wuxi Zhouxiang Heavy Industry Technology Co Ltd
Priority date: 2009-05-13
Filing date: 2009-05-13
Publication date: 2009-10-07

Abstract

The invention relates to a horizontally down-adjusted three-roll plate bending machine which comprises a machine base, a first machine frame, a second machine frame, an upper roll part, a lifting device, a lower roll part, a tilting device and a sensing device. The plate bending machine is characterized in that the upper roll part comprises an upper roll and an upper roll driving device arranged at the two sides of the right end of the upper roll, and a driving wheel arranged at the output shaft end of the upper roll driving device is meshed with the driven wheel of the upper roll. The lower roll part comprises a first lower roll, a second lower roll and a lower roll driving device, and the driving wheel of the lower roll driving device is positioned between the driven wheel of the first lower roll and the driven wheel of the second lower roll and meshed with the two mutually. The plate bending machine adopts three-roll full driving method and does not skid during bending thin plates, thereby widening the application scope of the equipment. The upper roll adopts two sets of upper roll driving devices to drive, thereby achieving large torque and saving the occupying area of equipment. Asbestos friction sheets are arranged at the parts where driven wheels of the lower roll is connected and contacted with the lower roll; and when the equipment is overloaded, the lower roll can skid, thus being capable of ensuring the safety of the equipment.

Description

Horizontal down-regulation type 3-roller lapping machine

Technical field

The present invention relates to a kind of metalworking machinery equipment, specifically is a kind of horizontal down-regulation type 3-roller lapping machine.

Background technology

The general cylindrical shell equipment of rolling mainly contains symmetrical expression three rolls plate bending machine, horizontal down-regulation type 3-roller lapping machine, top roll universal three rolls plate bending machine, camber line down-adjusted three-roll plate bending machine, four-roll plate bending machine etc. both at home and abroad at present.The symmetrical expression three rolls plate bending machine does not have the pre-bending function, and remained straight edge is longer when rolling, and generally is used for rolling of thin plate or the big barrel dliameter of slab; The lifting of camber line down-adjusted three-roll plate bending machine is a linkage, is suitable for 40mm rolling with lower steel plate; The four-roll plate bending machine complex structure, weight, volume are big, and operating technology is difficult for grasping, and occupation rate of market is lower; The leading products that suitable 40-100mm steel plate rolls on the market are horizontal down-regulation type and top roll universal three rolls plate bending machine.The horizontal down-regulation type 3-roller lapping machine top roll is done elevating movement, and two lower rolls move horizontally, and the top roll hoist cylinder is installed on the base, and machine center is low like this, and stress is good, and handling safety is reliable, uses all the more extensive in recent years.

Domestic horizontal down-regulation type 3-roller lapping machine, lower roll is main the driving, its driving mechanism is motor-shaft coupling-decelerator-universal-joint spindle-lower roll, top roll is a driven roll, axial dimension is big on the one hand for such equipment, floor space is big during installation, because top roll is passive, plate skids easily, causes the barrel diameter low precision that rolls when working on the other hand, barrel diameter is inconsistent, influence is road butt joint operation carry out smoothly down, if the welding of a few joint cylindrical shells, it is big not only to weld difficulty, and the postwelding surface is not attractive in appearance, can not meet the need of market.

Summary of the invention

The objective of the invention is at the deficiencies in the prior art, provide a kind of appearance and size little, be convenient to install, roll that the sheet material specification limit is big, the reliable horizontal down-regulation type 3-roller lapping machine of handling safety.

According to technical scheme provided by the invention, described horizontal down-regulation type 3-roller lapping machine comprises base, first frame, second frame, last roller segment, lowering or hoisting gear, following roller segment, tilting device and sensing device; First frame is installed on the base, and second frame can move horizontally along the guide rail that base is provided with; Last roller segment is installed in first frame, down roller segment is installed in second frame, and last roller segment is positioned at roller segment top down, is connected with lowering or hoisting gear on being installed in base; Tilting device is installed in first frame left side, and described tilting device is connected with the top roll left end; Sensing device is installed on the base side wall; It is characterized in that: the described last roll driving apparatus that roller segment comprises top roll and is positioned at top roll right-hand member both sides, the driving wheel of the output axle head of last roll driving apparatus and the driven pulley engaged transmission of top roll of going up; Described down roller segment comprises first lower roll, second lower roll and following roll driving apparatus, and the driving wheel of following roll driving apparatus and is meshing with each other with them between the first lower roll driven pulley, the second lower roll driven pulley.

Described top roll two ends are installed in first frame by the double-row self-aligning roller bearing supporting, drive lifting by the lowering or hoisting gear that is installed in the base two ends, drive rotation by direct-connected motor and reductor.

Described first lower roll, second lower roll are installed on second frame that moves horizontally by the double-row self-aligning roller bearing supporting respectively, drive revolution by hydraulic motor and decelerator.

As a further improvement on the present invention, the described first lower roll driven pulley, the second lower roll driven pulley are provided with asbestos friction sheet with the contact site that is connected at first lower roll, second lower roll.

The present invention compared with prior art adopts the full type of drive of three rollers, and is non-slip when rolling thin plate, enlarged the equipment scope of application; Top roll adopts two to put the roll driving apparatus driving, the big and saving occupation area of equipment of moment of torsion; The lower roll driven pulley is connected contact site with lower roll and is provided with asbestos friction sheet, and during apparatus overload, lower roll can skid, and guarantees device security.

Description of drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a vertical view of the present invention.

Fig. 3 is a left view of the present invention.

Fig. 4 is roll driving apparatus and top roll transmission schematic diagram in the present invention.

Fig. 5 is roll driving apparatus under the present invention and first lower roll, the second lower roll transmission schematic diagram.

Fig. 6 is connected cutaway view for lower roll driven pulley of the present invention with lower roll.

Description of reference numerals: 1, base, 2, first frame, 3, tilting device, 4, sensing device, 5, second frame, 6, top roll, 7, to materials device, 8, first lower roll, 9, following roll driving apparatus, 10, last roll driving apparatus, 11, tie-beam, 12, second lower roll, 13, lowering or hoisting gear, 14, motor, 15, the top roll reductor, 16, the top roll driving wheel, 17, the top roll driven pulley, 18, the second lower roll driven pulley, 19, the lower roll driving wheel, 20, the first lower roll driven pulley, 21, the lower roll decelerator, 22, hydraulic motor, 23, asbestos friction sheet, 24, butterfly spring, 25, adjust nut.

The specific embodiment

The invention will be further described below in conjunction with concrete drawings and Examples.

As Fig. 1, Fig. 2, shown in Figure 3, described horizontal down-regulation type 3-roller lapping machine comprises base 1, first frame 2, second frame 5, last roller segment, lowering or hoisting gear 12, following roller segment, tilting device 3 and sensing device 4; First frame 2 is installed on the base 1, and second frame 5 can move horizontally along the guide rail that base 1 is provided with; Last roller segment, down roller segment is installed in respectively in first frame 2, second frame 5, and last roller segment is positioned at roller segment top down, is connected with lowering or hoisting gear 13 on being installed in base 1; Tilting device 3 is installed in second frame, 5 left sides, and described tilting device 3 is connected with top roll 6 left ends; Sensing device 4 is installed on base 1 sidewall; The described last roll driving apparatus 10 that roller segment comprises top roll 6 and is positioned at top roll 6 right-hand member both sides, the top roll driving wheel 16 of the described upward output axle head of roll driving apparatus 10 and driven pulley 17 engaged transmission of top roll 6 gone up; Described roller segment down comprises first lower roll 8, second lower roll 12 and following roll driving apparatus 9, and the driving wheel 19 of following roll driving apparatus 9 is positioned at asking of the first lower roll driven pulley 20, the second lower roll driven pulley 18, and is meshing with each other with them.

As shown in Figure 4, described top roll 6 two ends are installed in first frame 2 by the double-row self-aligning roller bearing supporting, and top roll 6 drives lifting by the lowering or hoisting gear 13 that is installed in base 1 two ends, and described lowering or hoisting gear 13 is two oil cylinders, controlling by computer synchronously of they, synchronization accuracy ± 0.2mm; Top roll 6 is a main drive roll, adopts the one-level gear transmission mode to drive rotation by direct-connected motor 14 and reductor 15, and described motor 14 adopts the threephase asynchronous of 30KW band brake, and described reductor 15 adopts planetary reducer.

As shown in Figure 5, described first lower roll 8, second lower roll 12 are installed in second frame 5 that both ends horizontal moves by double-row self-aligning roller bearing supporting respectively, lower roll is the process auxiliary drive roller, by the hydraulic motor 20 and the decelerator 21 employing one-level gear transmission modes driving revolutions of band brake.

Because motor 14 starts, response speed when stopping all lags behind hydraulic motor 22, cause the top roll 6 and first

lower roll

8,12 actions of second lower roll are asynchronous, cause gear assembly and drive unit to damage easily because of overload, so at the first lower roll driven pulley 20, the second lower roll driven pulley 18 with at first lower roll 8, the connection contact site of second lower roll 12 is provided with asbestos friction sheet 23, carry out the setting of frictional force by adjusting nut 25 and butterfly spring 24 respectively, structure as shown in Figure 6, when lower roll transships, the lower roll driven pulley can skid, and effectively guarantees gear assembly and drive unit safety.

When practical application, plate enters between roller segment and the following roller segment, top roll 6 applies certain pressure for plate under lowering or hoisting gear 13 effects step by step, lower roll partially supported plate material, cooperate top roll 6, finish the end pre-bending and the bending forming of plate, top roll 6 rotates under last roll driving apparatus 10 drives simultaneously, make the plate continuous bend become satisfactory cylindrical shell, roll finish after, tilting device 3 promotes top rolls 6 left end bearing body overturnings, can draw off the cylindrical shell after rolling easily, top roll 6 right-hand members are equipped with balanced controls, to guarantee the balance of roller segment when the left end bearing body is toppled over.

First frame 2 of the present invention, second frame 5 and base 1 adopt welded-steel plate construction, before the weldering steel plate is carried out impeller blasting, postwelding carries out annealing in process, eliminate internal stress, guarantee that first frame 2, second frame 5 and base 1 have enough strength and stiffness, satisfy equipment operate as normal under the state of operating at full capacity for a long time, the positive connection of key and pin is all adopted in main force part, is convenient to installation and maintenance.

Base 1 of the present invention is provided with tie-beam 11, is equipped with on it materials device 7, can make things convenient for aligning of plate, guarantees the precision of reel.

Roller segment in the present invention, brake apparatus all is equipped with in the gyration of roller segment down, the accurate location when guaranteeing that workpiece rolls with pre-bending.

Claims

1, a kind of horizontal down-regulation type 3-roller lapping machine comprises base (1), first frame (2), second frame (5), last roller segment, lowering or hoisting gear (12), following roller segment, tilting device (3) and sensing device (4); First frame (2) is installed on the base (1), and second frame (5) can move horizontally along the guide rail that base (1) is provided with; Last roller segment is installed in first frame (2), down roller segment is installed in second frame (5), and last roller segment is positioned at roller segment top down, is connected with lowering or hoisting gear (13) on being installed in base (1); Tilting device (3) is installed in first frame (2) left side, and described tilting device (3) is connected with top roll (6) left end; Sensing device (4) is installed on base (1) sidewall; It is characterized in that: the described last roll driving apparatus (10) that roller segment comprises top roll (6) and is positioned at top roll (6) right-hand member both sides, driven pulley (17) engaged transmission of the driving wheel (16) of the output axle head of last roll driving apparatus (10) and top roll (6) of going up; Described roller segment down comprises first lower roll (8), second lower roll (12) and following roll driving apparatus (9), and the driving wheel (19) of following roll driving apparatus (9) is positioned between the first lower roll driven pulley (20), the second lower roll driven pulley (18), and is meshing with each other with them.

2, horizontal down-regulation type 3-roller lapping machine according to claim 1, its feature also is: described top roll (6) two ends are installed in first frame (2) by the double-row self-aligning roller bearing supporting, drive lifting by the lowering or hoisting gear (13) that is installed in base (1) two ends, drive rotation by direct-connected motor (14) and reductor (15).

3, horizontal down-regulation type 3-roller lapping machine according to claim 1, its feature also is: described first lower roll (8), second lower roll (11) are installed on second frame (5) that moves horizontally by the double-row self-aligning roller bearing supporting respectively, drive revolution by hydraulic motor (22) and decelerator (21).

4, horizontal downward-adjusting type lapping machine according to claim 1, its feature also is: the described first lower roll driven pulley (20), the second lower roll driven pulley (18) are provided with asbestos friction sheet (23) with the contact site that is connected at first lower roll (8), second lower roll (12).