CN2516290Y

CN2516290Y - Circular rolling flanging machine for sheet

Info

Publication number: CN2516290Y
Application number: CN 01251120
Authority: CN
Inventors: 钱乃全
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-10-21
Filing date: 2001-10-21
Publication date: 2002-10-16
Anticipated expiration: 2011-10-21

Abstract

The utility model discloses a thin board circular-arc shape rolling-pressing creasing machine which is composed of a frame, a housing lead screw, a pressure block, moulds, a vertical shaft, a fixed arm and a rotating arm. A fixed arm spanner is arranged on the left end of the fixed arm which is fixed on the frame via the vertical shaft. A through hole is arranged on the upper part of the rotating arm which is in a shape of an Arabic number 7. The right part of the fixed arm passes through the through hole and is connected with the rotating arm. A spring is nested on the right end of the fixed arm which is through the through hole and is connected with the rotating arm. A retaining plate is arranged on the lateral of the spring. A framed-groove is arranged on the lower part of the rotating arm, and a rolling and pressing device is arranged inside the framed-groove. A pair of moulds is arranged on the lower part of the pressure block which is arranged on the lower end of the housing lead screw that is fixedly arranged in the middle part of the frame. The rolling and pressing device includes at least three cylinder rollers which have frustum incline whose size changes sequentially from small to big until to a cylinder shape, a support bracket, a pressing spring and an adjusting bolt. The utility model has the advantages of simple structure, reasonable design, convenient application and low manufacturing cost; the utility model can be operated manually without using electric power and can be widely applied in various metal plate machining fields.

Description

A kind of thin plate circular arc roll extrusion folding brake

Technical field

The utility model relates to panel beating flanging machinery, exactly is a kind of thin plate circular arc roll extrusion folding brake.

Background technology

At present, general panel beating circular arc flanging all adopts punching press or spinning processing method.This not only needs large-scale spcific power equipment, instrument and more unmanageable mould, drop into bigger, the processing cost height, technology is not easy.

Summary of the invention

Goal of the invention of the present utility model is to provide a kind of large-scale spcific power equipment and instrument of not needing, and Mould Machining is simple, and flanging is easy and simple to handle, can process the thin plate circular arc roll extrusion folding brake of not isometrical circular arc or different radii, isometrical circular arc.

The technical solution of the utility model is such, a kind of thin plate circular arc roll extrusion folding brake, and it comprises frame, compresses leading screw, briquetting, mould, vertical shaft, fixed arm and pivoted arm etc.; Fixed arm is fixed on the frame by vertical shaft, and the fixed arm left end is equipped with the fixed arm spanner; Pivoted arm is " 7 " font, and its top has a through hole, is connected to the fixed arm right part; Be set with spring being connected on the fixed arm right-hand member of pivoted arm, baffle plate is equipped with in the outside of spring; The bottom of pivoted arm has a frame groove, and a rolling device is housed in the frame groove; The pivoted arm spanner is equipped with in the outside of pivoted arm bottom; Fixedly be equipped with on the middle part of frame and compress leading screw, briquetting is equipped with in the lower end that compresses leading screw, and the bottom of briquetting is a pair of mould; The mould left side is set on the vertical shaft, has two dowel holes on the mould at least.

Described rolling device comprises that at least two frustum inclined-planes are ascending successively until columned running roller, bracing frame, holddown spring and adjustment bolt; Each running roller all is installed in the bracing frame, in each bracing frame right frame groove a holddown spring is housed vertically; With the holddown spring pivoted arm outside in the same way the adjustment bolt is housed; The two ends of each running roller all are installed in the slotted hole on the pivoted arm.

The connected mode of fixed arm and pivoted arm also can be such, and the upper left-hand of pivoted arm has a hole, and the right-hand member of fixed arm places in the hole and by regulating leading screw fixedlys connected fixed arm with pivoted arm.

The utlity model has simple in structure, reasonable in design, easy to use, low cost of manufacture, electrification not, manually-operated can wait beneficial effect.

Description of drawings

Accompanying drawing 1 is a kind of thin plate circular arc roll extrusion folding brake overall schematic.Wherein: 1 frame, 2 compresses leading screw, 3 briquettings, 4 moulds, 5 vertical shafts, 6 pivoted arms, 8 pivoted arm spanners, 9 springs, 12 fixed arm spanners, 13 fixed arms, 14 baffle plates.

Accompanying drawing 2 is the rolling device overall schematic.Wherein: 7 running rollers, 11 holddown springs, 15 bracing frames, 16 slotted holes, 17 hold-down bolts, 19 frame grooves.

Accompanying drawing 3 is the running roller schematic diagram of rolling device.

Accompanying drawing 4 is the another kind of connected mode schematic diagram of fixed arm and pivoted arm.Wherein: 10 regulate leading screw.

Accompanying drawing 5 is the mould schematic diagram.Wherein: 12 dowel holes.

The specific embodiment

Shown in accompanying drawing 1,2,5, a kind of thin plate circular arc roll extrusion folding brake, it comprises frame 1, compresses leading screw 2, briquetting 3, mould 4, vertical shaft 5, fixed arm 13 and pivoted arm 6 etc.; Fixed arm 13 is fixed on the frame 1 by vertical shaft 5, and fixed arm 13 left ends are equipped with fixed arm spanner 12; Pivoted arm 6 is " 7 " font, and its top has a through hole, is connected to fixed arm 13 right parts; Be set with spring 9 on fixed arm 13 right-hand members that are connected to pivoted arm 6, baffle plate 14 is equipped with in the outside of spring 9; The bottom of pivoted arm 6 has a frame groove 19, and a rolling device is housed in the frame groove 19; Pivoted arm spanner 8 is equipped with in the outside of pivoted arm 6 bottoms; Fixedly be equipped with on the middle part of frame 1 and compress leading screw 2, briquetting 3 is equipped with in the lower end that compresses leading screw 2, and the bottom of briquetting 3 is a pair of mould 4; Mould 4 left sides are set on the vertical shaft 5, have two dowel holes 18 on the mould 4 at least.

Shown in accompanying drawing 2,3, described rolling device comprises that at least three frustum inclined-planes are ascending successively until columned running roller 7, bracing frame 15, holddown spring 11 and adjustment bolt 17; Each running roller 7 all is installed in the bracing frame 15, in each bracing frame 15 right frame groove 19 holddown spring 11 is housed vertically; With holddown spring 11 pivoted arm 6 outsides in the same way adjustment bolt 17 is housed; The two ends of each running roller 7 all are threaded onto in the slotted hole 16 on the pivoted arm 6.

As shown in Figure 4, fixed arm 13 also can be such with the connected mode of pivoted arm 6, and the upper left-hand of pivoted arm 6 has a hole, and the right-hand member of fixed arm 13 places in the hole and by regulating leading screw 10 fixedlys connected fixed arm 13 with pivoted arm 6.

During use, processed plate is clipped in mould 4 centres, is placed on frame 1 platform, compress leading screw 2 and compress arcuate die 4 and processed plate by briquetting 3; Pull pivoted arm spanner 8, making pivoted arm 6 is that rotate at the center with vertical shaft 5; Spring 9 on fixed arm 13 right-hand members can be regulated vertical shaft 5 and 6 distances of pivoted arm automatically, to adapt to the thin plate circular arc roll extrusion flanging of different radii or isometrical circular arc, the part that processed plate exposes at mould 4, thin plate circular arc roll extrusion flanging is finished in bending through the inclined-plane on each running roller 7 of rolling device on the pivoted arm 6 roll extrusion successively;

Adjust holddown springs 11 by adjusting bolt 17, make running roller 7 all the time with mould 4 on the circular arc close proximity, to adapt to the not thin plate circular arc roll extrusion flanging of isometrical circular arc of processing;

The use of the another kind of connected mode of pivoted arm and fixed arm is to regulate leading screw 10 by adjusting, and regulates distance between vertical shaft 5 and the pivoted arm 6, to adapt to the thin plate circular arc roll extrusion flanging of different radii or isometrical circular arc;

Have 2 dowel holes 18 on the mould 4 at least, to guarantee that mould 4 does not misplace with the processing plate up and down.

Claims

1, a kind of thin plate circular arc roll extrusion folding brake, it comprises frame (1), compresses leading screw (2), briquetting (3), mould (4), vertical shaft (5), fixed arm (13) and pivoted arm (6) etc.; It is characterized in that: fixed arm (13) is fixed on the frame (1) by vertical shaft (5), and fixed arm (13) left end is equipped with fixed arm spanner (12); Pivoted arm (6) is " 7 " font, and its top has a through hole, is connected to fixed arm (13) right part; Be set with spring (9) on the fixed arm that is connected to pivoted arm (6) (13) right-hand member, baffle plate (14) is equipped with in the outside of spring (9); The bottom of pivoted arm (6) has a frame groove (19), and the frame groove is equipped with a rolling device in (19); Pivoted arm spanner (8) is equipped with in the outside of pivoted arm (6) bottom; Fixedly be equipped with on the middle part of frame (1) and compress leading screw (2), briquetting (3) is equipped with in the lower end that compresses leading screw (2), and the bottom of briquetting (3) is a pair of mould (4); Mould (4) left side is set on the vertical shaft (5), has two dowel holes (18) on the mould (4) at least.

2, a kind of thin plate circular arc roll extrusion folding brake according to claim 1 is characterized in that: described rolling device comprises that at least three frustum inclined-planes are ascending successively until columned running roller (7), bracing frame (15), holddown spring (11) and adjustment bolt (17); Each running roller (7) all is installed on respectively in the bracing frame (15), and a holddown spring (11) vertically is housed in each bracing frame (15) right frame groove (19); With holddown spring (11) pivoted arm (6) outside in the same way adjustment bolt (17) is housed; The two ends of each running roller (7) all are installed in the slotted hole (16) on the pivoted arm (6).

3, a kind of thin plate circular arc roll extrusion folding brake according to claim 1, it is characterized in that: fixed arm (13) also can be such with the connected mode of pivoted arm (6), the upper left-hand of pivoted arm (6) has a hole, and the right-hand member of fixed arm (13) places in the hole and by regulating leading screw (10) fixedlys connected fixed arm (13) with pivoted arm (6).