CN201291278Y - Large flanged forming device - Google Patents

Abstract

The utility model relates to a large-size flange forming device. The forming device comprises a material pressing device, a clamping device and a revolving device, wherein the material pressing device is used for pressing a heating blank 4 so as to prevent the blank from tilting up and is also used for giving the bending force for the blank so as to be convenient for revolving and bending; the clamping device is fixedly arranged under a revolving platform of the revolving device and can revolve along with the revolving platform synchronously to clamp the blank, so that the blank can form into a closed ring; the revolving device can cause the blank to be attached the lug boss of the revolving platform so as to revolve along with the revolving platform, then the internal diameter of the required product is formed. The large-size flange forming device has simple structure, high processing efficiency, high yield and low energy and consumption, which can be widely used in large-size flange production in the fields of the construction machinery industry, the petrochemical industry, the wind power generation industry and the like.

Description

Large-sized flange molding equipment

Technical field

The utility model relates to processes equipment, relates in particular to a kind of large-sized flange molding equipment.

Background technology

Traditional large-sized flange molding equipment and moulding process have two kinds:

A kind of for by hydraulic press solid forging mode, after the square billet heating, forge into the middle again punching of dish type, after the heating, be swaged into ring-type again; This method processed finished products time is long, end product quality is poor, lumber recovery is low and energy consumption is big.

Another kind of for by ring rolls, the blank of heating forged punching earlier after, roll repeatedly again, constantly expand the blank centre bore, obtain finished product at last; This method complex process, lumber recovery is lower, the equipment operating difficulties, occupation of land face is big, and the processed finished products time is long, equally also has the big shortcoming of energy consumption.

Summary of the invention

In view of existing in prior technology the problems referred to above, there is utility model to aim to provide a kind of large-sized flange molding equipment and moulding process, avoided above-mentioned shortcoming, reached and will heat the one-time formed purpose of blank.

Technical solution of the present utility model is achieved in that

A kind of large-sized flange molding equipment, it is characterized in that: it comprises material pressing device, clamping device and slewing equipment, described material pressing device comprises moving frame, slide block, pressure Kun and promotes hydraulic cylinder, described clamping device comprises clamping hydraulic cylinder and clamp, and described slewing equipment comprises motor, decelerator, revolving dial and carrying roller;

Comprise guide rail under the moving frame of described material pressing device, moving frame is traversing to revolving dial one side at promotion hydraulic cylinder effect lower edge guide rail; Described lifting hydraulic cylinder is fixedly installed on the moving frame, and described slide block is fixedly connected with the piston rod that promotes hydraulic cylinder and slides by the wearing plate applying with the upright arm inboard of moving frame, and described wearing plate is fixedly connected on described upright arm inner surface; Described pressure roller is the awl roll form, and its two ends are connected in the two ends of slide block by bearing pin and are rotated around described bearing pin by the bearing supporting; The angle of described pressure roller axis and revolving dial is greater than 0 °, and in 50 °;

The angle of described pressure roller axis and revolving dial is preferably between 30 °～45 ° and chooses.

Described clamping hydraulic cylinder is fixedly connected on the below of revolving dial, and the piston rod of clamp and clamping hydraulic cylinder is fixedly connected;

Described driven by motor decelerator is delivered to output torque on the revolving dial by transmission system, and by idler stand, the center of revolving dial comprises the boss of a control internal diameter under the revolving dial, and described boss and revolving dial are the structures of one.

Be equipped with near switch or encoder on the described revolving dial, thereby make revolving dial after rotating a circle, have parking function accurately.

Compared with prior art, the beneficial effects of the utility model are self-evident:

That described large-sized flange molding equipment has is simple in structure, easy to operate, easy-maintaining, energy consumption is low, dimensional accuracy is high and lumber recovery is high characteristics; Use the large-sized flange moulding process of this equipment to have the advantages that technology is simple, working (machining) efficiency is high, lumber recovery is high, save energy and reduce the cost.The utility model can be widely used in the large-sized flange production of industrial circles such as engineering machinery, petrochemical industry, wind-power electricity generation.

Description of drawings

Fig. 1 is the structural representation of large-sized flange molding equipment described in the utility model;

Fig. 2 is the structural representation of described material pressing device;

Fig. 3 is the structural representation of described clamping device;

Fig. 4 is the structural representation of described slewing equipment;

Fig. 5 is that blank places the view that is clamped by clamp on the revolving dial in the moulding process described in the utility model.Among the figure,

1, material pressing device

11, moving frame

12, slide block

13, pressure roller

14, promote hydraulic cylinder

15, guide rail

16, bearing pin

2, clamping device

21, clamping hydraulic cylinder

22, clamp

3, slewing equipment

31, motor

32, decelerator

33, carrying roller

34, revolving dial

341, boss

4, blank

41, stub bar

The specific embodiment

Now in conjunction with the accompanying drawings the utility model is described in further detail:

Described large-sized flange molding equipment, as shown in Figure 1, comprise material pressing device 1, clamping device 2 and slewing equipment 3, described material pressing device 1 comprises moving frame 11, slide block 12, presses Kun 13 and promotes hydraulic cylinder 14, described clamping device 2 comprises clamping hydraulic cylinder 21 and clamp 22, and described slewing equipment 3 comprises motor 31, decelerator 32, revolving dial 34 and carrying roller 33;

Described material pressing device 1, as shown in Figure 2, its moving frame comprises guide rail 15 11 times, moving frame 11 is traversing to revolving dial 34 1 sides at promotion hydraulic cylinder effect lower edge guide rail 15; Described lifting hydraulic cylinder 14 is fixedly installed on the moving frame 11, described slide block 12 is fixedly connected with the piston rod that promotes hydraulic cylinder 14 and slides by the wearing plate applying with the upright arm inboard of moving frame 11, and described wearing plate is fixedly connected on described upright arm inner surface; Described pressure roller 13 is the awl roll form, and its two ends are connected in the two ends of slide block 12 by bearing pin 16 and are rotated around described bearing pin 16 by the bearing supporting; The axis that described pressure roller 13 axis are described bearing pin 16 and the angle of revolving dial 34 are 45 °;

As shown in Figure 3, described clamping hydraulic cylinder 21 is fixedly connected on the below of revolving dial 34, and clamp 22 is fixedly connected with the piston rod of clamping hydraulic cylinder 21;

As shown in Figure 4, described motor 31 drives decelerator 32, by transmission system output torque is delivered on the revolving dial 34, is supported by carrying roller 33 under the revolving dial, the center of revolving dial 34 comprises the boss 341 of a control internal diameter, and described boss 341 is structures of one with revolving dial 34.

After described large-sized flange molding equipment is positioned at runout table, belong to the separate unit autonomous device.Material pressing device 1 adopts full hydraulic system, is used to push down heating blank 4, prevents the blank perk, and gives bending force of blank, is convenient to its rotary bending; Clamping device 2 is fixedly installed in the revolving dial of slewing equipment 3 34 times, and its clamp 22 clamps blank 4 when rotating synchronously with revolving dial 34 under the effect of clamping hydraulic cylinder 21, makes blank 4 formation closed loops; The boss 341 that slewing equipment 3 makes blank 4 be adjacent to described revolving dial 34 centers rotates with revolving dial 34, forms the internal diameter of required finished product.

During work, the blank 4 of heating is transported on the revolving dial 34 by rollgang, and a side is butted on boss 341 sides at institute revolving dial center, and clamping device 2 work are clamped other side stub bar 41, as shown in Figure 6; The moving frame 11 of material pressing device 1 is its guide rail 15 reaches in the effect lower edge that promotes hydraulic cylinder, and pressure roller 13 is placed blank 4 tops, and at this moment, pressure roller 13 should be the extreme higher position, promote hydraulic cylinder 14 and descend, pressure roller 13 is pressed onto on the blank 4, and push down material wide half.Pressure roller 13 adopts the awl roll form, pushes down blank, and this structure makes blank 4 be subjected to a centripetal force, and has increased blank 4 outside tension force, makes blank 4 be easy to revolution.Simultaneously, drive reductor 32, output torque is delivered on the revolving dial 34, drive whole revolving dial 34 and rotate by motor 31.Clamping device 2 is positioned at the revolution stand and is fixedly installed in the revolution stand 34 times, when revolution stand 34 rotates, drives clamping device 2 and rotates therewith, and blank 4 tensions were close to revolution stand boss 341 and were rotated together this moment.Panoramic table rotates a circle and is about to closed-loop structure of blank formation, and revolving dial stops operating simultaneously; At this moment, open clamping hydraulic cylinder 21, clamp 22 unclamps blank stub bar 41; Promote hydraulic cylinder 14 and oppositely rise, pressure roller 13 is raised; Promote the hydraulic cylinder reverse operation, drive moving frame 11 and move apart revolving dial 34 along guide rail 15; Take off the shaping blank that becomes closed-loop structure by material-supporting device subsequently; And with its interface welding back air cooling.Promptly finished the manufacturing forming process of large-sized flange.

The above; it only is the preferable specific embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and utility model design thereof, all should be encompassed within the protection domain of the present utility model.

Claims (3)

1, a kind of large-sized flange molding equipment, it is characterized in that: it comprises material pressing device, clamping device and slewing equipment, described material pressing device comprises moving frame, slide block, pressure Kun and promotes hydraulic cylinder, described clamping device comprises clamping hydraulic cylinder and clamp, and described slewing equipment comprises motor, decelerator, revolving dial and carrying roller;

Comprise guide rail under the moving frame of described material pressing device, moving frame is traversing to revolving dial one side at promotion hydraulic cylinder effect lower edge guide rail; Described lifting hydraulic cylinder is fixedly installed on the moving frame, and described slide block is fixedly connected with the piston rod that promotes hydraulic cylinder and slides by the wearing plate applying with the upright arm inboard of moving frame, and described wearing plate is fixedly connected on described upright arm inner surface; Described pressure roller is the awl roll form, and its two ends are connected in the two ends of slide block by bearing pin and are rotated around described bearing pin by the bearing supporting; The angle of described pressure roller axis and revolving dial is greater than 0 °, and in 50 °;

Described clamping hydraulic cylinder is fixedly connected on the below of revolving dial, and the piston rod of clamp and clamping hydraulic cylinder is fixedly connected;

Described driven by motor decelerator is delivered to output torque on the revolving dial by transmission system, and by idler stand, the center of revolving dial comprises the boss of a control internal diameter under the revolving dial, and described boss and revolving dial are the structures of one.

2, large-sized flange molding equipment according to claim 1 is characterized in that: the angle of described pressure roller axis and revolving dial is 30 °～45 °.

3, large-sized flange molding equipment according to claim 2 is characterized in that: be equipped with near switch or encoder on the described revolving dial.

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