CN212598639U

CN212598639U - Hot extrusion forging shaping device for large fan main shaft

Info

Publication number: CN212598639U
Application number: CN202020750413.2U
Authority: CN
Inventors: 黄智�; 黄才中
Original assignee: Jiangsu Yulong Forging Co ltd
Current assignee: Jiangsu Yulong Forging Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-02-26
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses a shaping device is forged in hot extrusion of large-scale fan main shaft relates to large-scale fan main shaft technical field, for solving the current lower problem of device flexibility to the hot extrusion forging of fan main shaft. The fan main shaft drain pan includes flange drain pan, first axle body drain pan and second axle body drain pan, and first axle body drain pan is located the lower extreme of flange drain pan, and second axle body drain pan is located the lower extreme of first axle body drain pan, the outside of flange drain pan is provided with first fixed chimb, the outside of first axle body drain pan is provided with the fixed chimb of second, the outside of second axle body drain pan is provided with the fixed chimb of third, the flange drain pan is connected through first locking bolt with first axle body drain pan, first axle body drain pan passes through second locking bolt with second axle body drain pan and is connected, and first locking bolt runs through the fixed chimb of first fixed chimb and second.

Description

Hot extrusion forging shaping device for large fan main shaft

Technical Field

The utility model relates to a large-scale fan main shaft technical field specifically is a shaping device is forged in hot extrusion of large-scale fan main shaft.

Background

In recent years, wind power generation, one of the emerging energy sources, has gradually occupied a crucial position in energy structures of various countries in the world due to its outstanding performance in reducing environmental pollution and solving the problem of difficulty in using electricity by residents in remote areas. The devices required for wind power generation are called wind generating sets. Generally, a large-medium wind generating set consists of blades, a hub, a main shaft, a speed-increasing gear box, a direction-adjusting structure, a generator, a tower, a control system and accessory components. The main shaft is also called a low-speed shaft and is one of key parts in the wind generating set. The main shaft of the fan is an important part for connecting fan fins and a fan base, and the axial deviation of the main shaft is directly transmitted to an input shaft of the gear box.

However, the existing hot extrusion forging device for the fan main shaft is low in flexibility, so that the existing requirements are not met, and the hot extrusion forging shaping device for the large fan main shaft is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shaping device is forged in hot extrusion of large-scale fan main shaft to the current lower problem of forging device flexibility to the hot extrusion of fan main shaft that proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a hot extrusion forging shaping device for a large fan main shaft comprises a fan main shaft leakage disc, wherein the fan main shaft leakage disc comprises a flange leakage disc, a first shaft body leakage disc and a second shaft body leakage disc, the first shaft body leakage disc is positioned at the lower end of the flange leakage disc, the second shaft body leakage disc is positioned at the lower end of the first shaft body leakage disc, a first fixed convex edge is arranged outside the flange leakage disc, a second fixed convex edge is arranged outside the first shaft body leakage disc, a third fixed convex edge is arranged outside the second shaft body leakage disc, the flange leakage disc is connected with the first shaft body leakage disc through a first locking bolt, the first shaft body leakage disc is connected with the second shaft body leakage disc through a second locking bolt, the first locking bolt penetrates through the first fixed convex edge and the second fixed convex edge, the second locking bolt penetrates through the second fixed convex edge and the third fixed convex edge, a guide rod is arranged at the lower end of the first fixed convex edge, the inside of the fixed chimb of second and the fixed chimb of third all is provided with the guiding hole, and the guide bar runs through the guiding hole, and guiding hole and guide bar sliding connection, the upper end of primary shaft body deep bead is provided with first recess, the upper end of secondary shaft body deep bead is provided with the second recess.

Preferably, a first fillet is arranged on the inner side of the first shaft body drain pan, and a second fillet is arranged on the inner side of the second shaft body drain pan.

Preferably, preheating blocks are arranged inside the flange drain pan, the first shaft body drain pan and the second shaft body drain pan.

Preferably, the preheating block comprises a soaking block and a resistance wire, and the resistance wire is positioned inside the soaking block.

Preferably, the flange bushing and the first fixed convex edge are arranged into an integrated structure, the first shaft bushing and the second fixed convex edge are arranged into an integrated structure, and the second shaft bushing and the third fixed convex edge are arranged into an integrated structure.

Preferably, four guide rods are provided.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a with the flange drain pan, the setting can be dismantled to first axle body drain pan and second axle body drain pan, make things convenient for the staff to assemble by oneself according to the fan main shaft of different specifications, each drain pan can carry out quick locking through first locking bolt and second locking bolt, whole flexibility has been improved, when assembling, in the guiding hole of each fixed chimb of guide bar embedding, guarantee the axiality of each drain pan to guarantee the axiality of step, avoid appearing the eccentric condition of step.

2. The utility model discloses a main shaft edge starved meat phenomenon can be avoided appearing in setting up of first recess and second recess, is provided with first fillet and second fillet, changes fillet into the forging shaping, has reduced the forging surplus piece by a wide margin, reduces forging weight, the subsequent processing of being convenient for.

3. The utility model discloses a preheat the piece and forge each bushing and preheat before, reduce the temperature difference between bushing and blank on the one hand to prevent the bushing fracture, prolong the life of individual bushing, on the other hand reduces blank deformation resistance, can realize smooth shaping.

Drawings

Fig. 1 is a schematic structural diagram of a hot extrusion forging shaping device for a large fan main shaft according to the present invention;

FIG. 2 is a schematic structural diagram of a preheating block of the present invention;

fig. 3 is a top view of the fan spindle bushing of the present invention.

In the figure: 1. a flange drain pan; 2. a first shaft bushing; 3. a second shaft bushing; 4. a first rounded corner; 5. a second rounded corner; 6. a first fixed flange; 7. a second fixed flange; 8. a third fixed flange; 9. a first locking bolt; 10. a second locking bolt; 11. a guide bar; 12. preheating the block; 13. a resistance wire; 14. a first groove; 15. a second groove; 16. a fan main shaft leakage disc; 17. a soaking block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a hot extrusion forging shaping device for a large-scale fan spindle comprises a fan spindle leakage disc 16, wherein the fan spindle leakage disc 16 comprises a flange leakage disc 1, a first shaft body leakage disc 2 and a second shaft body leakage disc 3, the first shaft body leakage disc 2 is positioned at the lower end of the flange leakage disc 1, the second shaft body leakage disc 3 is positioned at the lower end of the first shaft body leakage disc 2, a first fixing convex edge 6 is arranged outside the flange leakage disc 1, a second fixing convex edge 7 is arranged outside the first shaft body leakage disc 2, a third fixing convex edge 8 is arranged outside the second shaft body leakage disc 3, a guide rod 11 is embedded into guide holes of the second fixing convex edge 7 and the third fixing convex edge 8 and penetrates through and is assembled in a sliding mode, coaxiality between the flange leakage disc 1, the first shaft body leakage disc 2 and the second shaft body leakage disc 3 is guaranteed, coaxiality of steps of a forged spindle is guaranteed, the step eccentricity situation is avoided, the flange leakage disc 1 is connected with the first shaft leakage disc 2 through a first locking bolt 9, the first shaft body drain pan 2 and the second shaft body drain pan 3 are connected through a second locking bolt 10, the flange drain pan 1, the first shaft body drain pan 2 and the second shaft body drain pan 3 are assembled and fixed through the first locking bolt 9 and the second locking bolt 10, workers can conveniently assemble the flange drain pan 1, the first shaft body drain pan 2 and the second shaft body drain pan 3 according to fan main shafts of different specifications, flexibility of the device is improved, the first locking bolt 9 penetrates through the first fixing convex edge 6 and the second fixing convex edge 7, the second locking bolt 10 penetrates through the second fixing convex edge 7 and the third fixing convex edge 8, the lower end of the first fixing convex edge 6 is provided with a guide rod 11, guide holes are formed in the second fixing convex edge 7 and the third fixing convex edge 8, the guide rod 11 penetrates through the guide holes and are connected with the guide rod 11 in a sliding mode, a first groove 14 is formed in the upper end of the first shaft body drain pan 2, a second groove 15 is formed in the upper end of the second shaft, the arrangement of the first groove 14 and the second groove 15 can avoid the phenomenon of meat deficiency at the edge of the main shaft.

Further, the inner side of the first shaft body leakage disc 2 is provided with a first round angle 4, the inner side of the second shaft body leakage disc 3 is provided with a second round angle 5, the round angle part is changed into forging forming, forging residual blocks are greatly reduced, forging weight is reduced, and subsequent processing is facilitated.

Further, the flange drain pans 1, the first shaft body drain pans 2 and the second shaft body drain pans 3 are internally provided with preheating blocks 12, so that the temperature difference between the fan main shaft drain pans 16 and the blank is reduced on one hand, the fan main shaft drain pans 16 are prevented from cracking, the service life of each fan main shaft drain pan 16 is prolonged, and on the other hand, the deformation resistance of the blank is reduced, and smooth forming can be realized.

Further, the preheating block 12 comprises a soaking block 17 and a resistance wire 13, the resistance wire 13 is located inside the soaking block 17, the resistance wire 13 is electrified to heat the soaking block 17, and the preheating block 12 preheats the flange bushing 1, the first shaft bushing 2 and the second shaft bushing 3.

Further, flange deep bead 1 sets up to the integrated into one piece structure with first fixed chimb 6, and first axle body deep bead 2 sets up to the integrated into one piece structure with the fixed chimb 7 of second, and second axle body deep bead 3 sets up to the integrated into one piece structure with the fixed chimb 8 of third, and is sturdy in structure, and intensity is big, and is more durable.

Further, the guide rods 11 are four, so that coaxiality among the flange drain pan 1, the first shaft body drain pan 2 and the second shaft body drain pan 3 is better guaranteed.

The working principle is as follows: when the device is used, the guide rod 11 is embedded into the guide holes of the second fixed convex edge 7 and the third fixed convex edge 8 and penetrates through and is assembled in a sliding manner, the coaxiality among the flange bushing 1, the first shaft bushing 2 and the second shaft bushing 3 is ensured, so that the coaxiality of the steps of a forged main shaft is ensured, and the condition of step eccentricity is avoided, the flange bushing 1, the first shaft bushing 2 and the second shaft bushing 3 are assembled and fixed through the first locking bolt 9 and the second locking bolt 10, so that a worker can conveniently assemble the device according to fan main shafts of different specifications by himself, the flexibility of the device is improved, before processing, the resistance wire 13 is electrified to heat the uniform heating block 17, the preheating block 12 preheats the flange bushing 1, the first shaft bushing 2 and the second shaft bushing 3, on one hand, the temperature difference between the fan main shaft bushing 16 and a blank is reduced, so that the fan main shaft bushing 16 is prevented from cracking, prolong the life of a fan main shaft bushing 16, on the other hand, reduce the resistance to blank deformation, can realize smooth shaping, put into the inside of fan main shaft bushing 16 to the blank after preheating, and the unloading rolls, be full of the inside of each bushing with the blank, carry out the hot extrusion forging shaping, main shaft edge meat deficiency phenomenon can be avoided appearing in the setting of first recess 14 and second recess 15, be provided with first fillet 4 and second fillet 5, change the fillet into the forging shaping, forged the surplus piece has been reduced by a wide margin, reduce forging weight, the subsequent processing of being convenient for.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a shaping device is forged in hot extrusion of large-scale fan main shaft, includes fan main shaft bushing (16), its characterized in that: the fan main shaft leakage disc (16) comprises a flange leakage disc (1), a first shaft body leakage disc (2) and a second shaft body leakage disc (3), the first shaft body leakage disc (2) is positioned at the lower end of the flange leakage disc (1), the second shaft body leakage disc (3) is positioned at the lower end of the first shaft body leakage disc (2), a first fixing convex edge (6) is arranged outside the flange leakage disc (1), a second fixing convex edge (7) is arranged outside the first shaft body leakage disc (2), a third fixing convex edge (8) is arranged outside the second shaft body leakage disc (3), the flange leakage disc (1) is connected with the first shaft body leakage disc (2) through a first locking bolt (9), the first shaft body leakage disc (2) is connected with the second shaft body leakage disc (3) through a second locking bolt (10), and the first locking bolt (9) penetrates through the first fixing convex edge (6) and the second fixing convex edge (7), and second locking bolt (10) run through fixed chimb (7) of second and the fixed chimb of third (8), the lower extreme of first fixed chimb (6) is provided with guide bar (11), the inside of the fixed chimb of second (7) and the fixed chimb of third (8) all is provided with the guiding hole, and guide bar (11) run through the guiding hole, and guiding hole and guide bar (11) sliding connection, the upper end of first shaft body deep bead (2) is provided with first recess (14), the upper end of second shaft body deep bead (3) is provided with second recess (15).

2. The hot extrusion forging shaping device for the large fan main shaft according to claim 1, wherein: the inner side of the first shaft body drain pan (2) is provided with a first fillet (4), and the inner side of the second shaft body drain pan (3) is provided with a second fillet (5).

3. The hot extrusion forging shaping device for the large fan main shaft according to claim 1, wherein: and preheating blocks (12) are arranged in the flange drain pan (1), the first shaft body drain pan (2) and the second shaft body drain pan (3).

4. The hot extrusion forging shaping device for the large fan main shaft according to claim 3, wherein: the preheating block (12) comprises a heat equalizing block (17) and a resistance wire (13), and the resistance wire (13) is positioned inside the heat equalizing block (17).

5. The hot extrusion forging shaping device for the large fan main shaft according to claim 1, wherein: the flange bushing (1) and the first fixed convex edge (6) are arranged to be of an integrated structure, the first shaft bushing (2) and the second fixed convex edge (7) are arranged to be of an integrated structure, and the second shaft bushing (3) and the third fixed convex edge (8) are arranged to be of an integrated structure.

6. The hot extrusion forging shaping device for the large fan main shaft according to claim 1, wherein: the number of the guide rods (11) is four.