CN2144541Y

CN2144541Y - Flange bending device

Info

Publication number: CN2144541Y
Application number: CN 93200341
Authority: CN
Inventors: 周群
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-01-13
Filing date: 1993-01-13
Publication date: 1993-10-27
Anticipated expiration: 2003-01-13

Abstract

The utility model relates to a flange bending device. At present, thin steel plate flange is made of one-piece steel plate by cutting, which wastes material and takes a lot of work. The flange bending device utilizes flat wheel to produce flange, which is composed of a worktable, a rotary drum and a backup plate. The rotary drum is arranged on the shaft of the worktable by the shaft housing thereof; a delivery guide frame is arranged between the rotary drum and the backup plate; the rotary drum is provided with a press plate and a spiral plate; the press plate is provided with a casing tube which is used for the rotation of the rotary drum; the flat wheel goes through the rotary drum and the backup plate and is bended into a flange blank by delivery guide frame; the flank blank is welded by interface and is made into flange through leveling, scribing, making holes. The utility model has the advantages of simple working procedure, a lot of steel material saving and low cost.

Description

Flange bending device

The utility model relates to a kind of plant equipment of making flange, is that a kind of flange bends device specifically.

At present the sheet metal flange (δ=2～5) that uses generally be earlier with gas torch or arc cutting torch in big block plate loading and unloading, be about to the monoblock steel plate and cut and make the flange blank, its inside and outside circle of turning on lathe then, by the pincers worker line, boring is made again.This manufacture method not only operation is many, time-consuming, and will waste great deal of steel, the cost height.

The purpose of this utility model provides a kind of band steel that utilizes and produces flange, and manufacturing process is simple, and the flange of saving steel bends device.

The utility model is achieved in that a kind of flange bends device and comprises horizontal table, be installed in the rigidity rotary drum and the rigidity backup plate that are used for crooked band steel on the horizontal table, horizontal table central authorities are provided with the perpendicular rigid axle, rotary drum is slidingly mounted on the stiff shaft by the set rigidity axle sleeve in its center, the upper surface of rotary drum is provided with dismountable annular pressing plate, the top, side of rotary drum is provided with and the wide spiral plate in pressing plate outer, pressing plate and spiral plate have a stretch flange formability that is drilled with pin-and-hole near the backup plate place, between rotary drum and backup plate, be provided with the conveying leading truck, backup plate is provided with the backing pin of carrying leading truck, and pressing plate is provided with the sleeve pipe that is used to rotate rotary drum.

The strip band steel lies between the pressing plate and spiral plate of rotary drum side through carrying leading truck, its termination is positioned the pin-and-hole place of pressing plate and spiral plate stretch flange formability with alignment pin, rotate counterclockwise rotary drum with crooked band steel, block to certain size, thereon, the involutory blank that is welded in Xia Quan junction, make flange through polishing weld bond, leveling, line and boring.The utility model compared with prior art, its advantage is to be that the material first order buckling goes out blank and makes flange with the strip band steel, does not need electricity consumption or gas cutting in big block plate loading and unloading, so can save the great deal of steel material, reduce cost, make production process simple again, easy to operate.

Now in conjunction with the accompanying drawings and embodiments the utility model is done further specific descriptions:

Fig. 1 a is the structural representation that flange bends device;

Fig. 1 b is the top view of Fig. 1 a;

Fig. 2 a is the drum structure schematic diagram;

Fig. 2 b is the top view of Fig. 2 a;

Fig. 3 a is the pressure plate structure schematic diagram;

Fig. 3 b is the top view of Fig. 3 a;

Fig. 4 a is the spiral plate schematic diagram;

Fig. 4 b is the top view of Fig. 4 a;

Fig. 4 c is that the A of Fig. 4 a is to view;

Fig. 5 a is the front view of backup plate;

Fig. 5 b is the top view of Fig. 5 a;

Fig. 5 c is the left view of Fig. 5 a;

Fig. 6 a is for carrying the front view of leading truck;

Fig. 6 b is the top view of Fig. 6 a;

Fig. 6 c is the left view of Fig. 6 a.

Shown in Fig. 1 a and Fig. 1 b, a kind of flange bends device and comprises horizontal table 8, be installed in the rigidity rotary drum 2 and the rigidity backup plate 6 that are used for crooked band steel on the horizontal table 8, horizontal table 8 central authorities are provided with vertical stiff shaft 4, rotary drum 2 is slidingly mounted on the stiff shaft 4 by its rigidity axle sleeve 5, rotary drum 2 upper surfaces are provided with dismountable annular pressing plate 1, the top, side of rotary drum 2 is provided with and the wide spiral plate 3 in pressing plate 1 outer, pressing plate 1 and spiral plate 3 have a stretch flange formability near backup plate 6 places, be drilled with pin-and-hole 11 on the flange, be provided with between rotary drum 2 and the backup plate 6 and carry leading truck 7.

The steel welding structure that horizontal table 8 is made up of square table top, four legs and stull.Shown in Fig. 2 a and Fig. 2 b, rotary drum 2 is to be welded into by steel plate, and upper and lower bulging face center has circular hole, is welded with Lower shaft sleeve 5 on the following drum face circular hole, and Shang Gumian is welded with four bolts 14 of symmetric arrangement, is used to install pressing plate 1.Shown in Fig. 3 a and Fig. 3 b, pressing plate 1 is to be made by steel plate, its outer is greater than the bulging face of rotary drum 2, pressing plate 1 center has circular hole, be welded with Upper shaft sleeve 5 in the hole, have four through holes on the pressing plate 1, bolt 14 passes this through hole pressing plate 1 usefulness nut is installed in rotary drum 2 upper surfaces, and pressing plate 1 is welded with two sleeve pipes near the edge symmetry or 10, two ripping bars of semicircle sleeve pipe insert respectively in the sleeve pipe 10, can make rotary drum 2 rotations, pressing plate 1 has a stretch flange formability near backup plate 6 places, is drilled with pin-and-hole 11 in the middle of it, and the pressing plate 1 that is installed on the rotary drum 2 is integral together with rotary drum 2, by last, Lower shaft sleeve 5 support sets and can be around axle 4 rotation on stiff shaft 4.Shown in Fig. 4 a, Fig. 4 b, spiral plate 3 is to be bent into by band steel, is the top that horizontal welding is connected on rotary drum 2 sides, 1 1/4 circles that are about rotary drum 2, its outside dimensions is identical with pressing plate 1, near backup plate 6 places one stretch flange formability corresponding with pressing plate 1 is arranged also, also is drilled with pin-and-hole 11 on the flange.Shown in Fig. 5 a, Fig. 5 b and Fig. 5 c, backup plate 6 is the unequal angle shape structures that are welded into by two block plates, the side plate broad, base plate is narrower, is welded with the tough plate of triangle between two plates, have slit-like through-holes on the base plate, by screw bolt and nut backup plate 6 is installed on the horizontal table 8, can adjusts its installation site according to the width of band steel, be welded with the backing pin 12 of carrying leading truck 7 on the side plate, carry leading truck 7 to bend in the process to move forward with band steel at band steel to stop.Shown in Fig. 6 a, Fig. 6 b and Fig. 6 c, carrying leading truck 7 also is the unequal angle shape structure that is welded into by two block plates, the side plate broad, highly locate to be welded with the conveying that two horizontal clamping plate 13 are formed band steel corresponding to pressing plate 1 and spiral plate 3 on side plate, distance between the two horizontal clamping plate 13 and the distance between pressing plate 1 and the spiral plate 3 equate with the thickness for the treatment of crooked band steel.In the present embodiment, pressing plate 1 external diameter is 420mm, and thickness is 10mm; Rotary drum 2 external diameter 340mm, high 180mm; Spiral plate 3 external diameter 420mm, internal diameter 340mm, thick 8mm; Axle 4 external diameter 90mm; Axle sleeve 5 external diameter 100mm, internal diameter 90mm.

The operating procedure that bends flange is: earlier pressing plate 1 is pulled down, treat that crooked band steel 9 passes from 13 of two parallel splints carrying leading truck 7, the locating hole inboard of spiral plate 3 is dropped in its end, load onto pressing plate 1, aim at dowel hole 11, insertion alignment pin location, with stiff shaft 4 is the center, be rotated counterclockwise 21 1/4 weeks of rotary drum, pull out alignment pin, unload lower platen 1, the band steel that taking-up is bent, block at 1 all many 50mm place, enclose the involutory blank that is welded into of binding site trimming thereon, down after the calibration size, make flange through polishing, leveling, line, boring.

Use the utility model to bend internal diameter and be 360mm, external diameter is 440mm, and thickness is 270 of the sheet metal flanges of 4mm, with 0.5～0.6 ton of steel, the flange of making same specification and same quantity of traditional method then need consume 1.3～1.6 tons of steel, also increases operations such as system of cutting and turning simultaneously.

Claims

1, a kind of flange bends device and comprises horizontal table 8, be installed in the rigidity rotary drum 2 and the rigidity backup plate 6 that are used for crooked band steel on the horizontal table 8, it is characterized in that horizontal table 8 central authorities are provided with vertical stiff shaft 4, rotary drum 2 is slidingly mounted on the stiff shaft 4 by the set rigidity axle sleeve 5 in its center, the upper surface of rotary drum 2 is provided with dismountable annular pressing plate 1, the top, side of rotary drum 2 is provided with and the wide spiral plate 3 in pressing plate 1 outer, pressing plate 1 and spiral plate 3 has a stretch flange formability that is drilled with pin-and-hole near backup plate 6 places, be provided with between rotary drum 2 and the backup plate 6 and carry leading truck 7, backup plate 6 is provided with the backing pin 12 of carrying leading truck 7, and pressing plate 1 is provided with the sleeve pipe 10 that is used to rotate rotary drum 2.

2, bend device according to the said a kind of flange of claim 1, it is characterized in that carrying leading truck 7 is the unequal angle shape structures that are welded into by two block plates, is positioned at pressing plate 1 and spiral plate 3 and highly locates to be welded with the conveying that two horizontal clamping plate 13 are formed band steel on its perpendicular side plate.