CN220837958U

CN220837958U - Special device for vertical lathe for machining wind power main shaft

Info

Publication number: CN220837958U
Application number: CN202322711096.XU
Authority: CN
Inventors: 蔡涛
Original assignee: Jiangsu Ruijunda Environmental Protection Technology Co ltd
Current assignee: Jiangsu Ruijunda Environmental Protection Technology Co ltd
Priority date: 2023-10-10
Filing date: 2023-10-10
Publication date: 2024-04-26
Anticipated expiration: 2033-10-10

Abstract

The utility model discloses a special vertical lathe device for machining a wind power main shaft, which comprises a boring main shaft, wherein two connecting mounting blocks are symmetrically and fixedly arranged at the upper end of the boring main shaft, a cutter mounting head is arranged at the lower end of the boring main shaft, a plurality of machining cutters are fixedly arranged in the cutter mounting head, a protruding mounting table is arranged on the outer peripheral surface of the boring main shaft, a first bearing is sleeved and connected on the outer periphery of the boring main shaft, a shaft sleeve inner shell is sleeved and arranged on the outer periphery of the first bearing, a protruding clamping ring is arranged on the inner wall surface of the shaft sleeve inner shell, a second bearing is sleeved and connected on the outer periphery of the boring main shaft above the first bearing, a limiting assembly is nested and a shaft sleeve outer shell is sleeved and connected on the outer peripheral surface of the boring main shaft in a sleeved mode. According to the utility model, when the vertical lathe is used for boring the wind power main shaft, the machining tool is kept from shaking, the boring precision is improved, and the boring of the wind power main shaft can be completed at one time.

Description

Special device for vertical lathe for machining wind power main shaft

Technical Field

The utility model relates to the technical field of wind power main shaft machining, in particular to a special device for a vertical lathe for machining a wind power main shaft.

Background

The wind power main shaft is one of key parts of the wind power generator, the wind power main shaft is required to be machined through a machine tool after forging and forming so as to ensure the mechanical property of the wind power main shaft, the existing machine tool can be divided into a lathe, a boring machine, a milling machine and the like, boring can be carried out on the wind power main shaft through a vertical lathe, the boring is further processing of forging, casting or drilling holes, the boring can enlarge the aperture, improve the precision, reduce the surface roughness and also can well correct the deflection of the original hole axis;

However, because the hole diameter of the existing wind power main shaft is larger and the volume of the wind power main shaft is also larger, when the wind power main shaft is bored by a vertical lathe, the feed amount of each cutting process cannot be too large, and the feed speed cannot be too high, so that the required time for boring the wind power main shaft is longer, and the required hole diameter cannot be processed in place at one time in the boring process of the wind power main shaft, the existing processing mode is generally that a first cutting diameter is firstly cut out of the hole of the wind power main shaft by a processing cutter, then the position of the processing cutter is adjusted by a retracting tool to increase the cutting diameter, and the feed cutting is performed again to form a second cutting diameter, so that the cutter is pushed until the diameter required by boring the hole of the wind power main shaft is cut out, and the repeated retracting and then the feed are required, so that the processing time of the wind power main shaft is doubled, meanwhile, when the processing cutter stretches into the wind power main shaft in a longer distance, the boring process is carried out, vibration generated by the boring process can obviously react on the boring main shaft, so that the boring main shaft generates vibration to cause the vibration, and the special boring cutter is lowered, so that the processing precision of the boring main shaft is required by a new lathe.

Disclosure of utility model

The utility model aims to provide a special device for a vertical lathe for machining a wind power spindle, which is used for solving the problems that in the prior art, the wind power spindle needs to repeatedly carry out retracting and feeding actions when boring, the machining efficiency is low, and the boring machining precision is reduced due to the phenomenon of vibration when a machining tool stretches into a wind power spindle hole for a long distance.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical scheme: the vertical lathe special device for processing the wind power main shaft comprises a boring main shaft, wherein two connecting installation blocks are symmetrically and fixedly arranged at the upper end of the boring main shaft, a gap is reserved between the two connecting installation blocks, the two connecting installation blocks are arranged to be concave, the lower end of the boring main shaft is arranged to be a cutter installation head, a plurality of groups of processing cutters are fixedly arranged in the cutter installation head, a convex installation table is arranged on the outer peripheral surface of the boring main shaft above the cutter installation head, a first bearing is sleeved and connected on the outer periphery of the boring main shaft above the installation table, the outer diameter of the first bearing is smaller than the diameter of the installation table, a shaft sleeve inner shell is sleeved and arranged on the outer periphery of the first bearing above the installation table, the shaft sleeve inner shell is arranged to be hollow, a first limit edge of the shaft sleeve inner shell is attached to the surface of the installation table, a second limit edge of the shaft sleeve inner shell is attached to the surface of the first bearing, the inner wall surface of the shaft sleeve inner shell above the second limit edge is provided with a convex snap ring, the inner wall surface of the shaft sleeve inner shell above the snap ring is provided with a third limit edge, the diameter of the third limit edge is the same as that of the second limit edge, the periphery of the boring spindle above the first bearing is also sleeved with a second bearing, the surface of the second bearing is attached to the third limit edge, the upper surface of the second bearing is flush with the upper surface of the shaft sleeve inner shell, the periphery of the boring spindle above the second bearing is provided with a mounting ring groove, the mounting ring groove is internally nested with a limit component, the upper surface of the shaft sleeve inner shell is provided with a cover plate, the center of the cover plate is provided with a through hole and sleeved on the periphery of the limit component, the inner diameter of the cover plate is smaller than the outer diameter of the shaft sleeve inner shell, the periphery of the shaft sleeve inner shell is sleeved with a shaft sleeve outer shell, the lower end of the shaft sleeve outer shell is provided with a convex clamping plate, the clamping plate is attached to the lower end surface of the shaft sleeve inner shell, the diameter of the shaft sleeve outer shell is larger than that of the cover plate, and the shaft sleeve outer shell is fixed with the cover plate through bolts.

Further, in an embodiment of the present utility model, each set of machining tools includes: the first boring cutter is positioned above the second boring cutter.

Further, in the embodiment of the utility model, the diameter of the circle formed by the second boring cutter during rotary cutting is smaller than the diameter of the circle formed by the first boring cutter during rotary cutting.

Further, in the embodiment of the utility model, the diameter of the largest circle formed when the processing tool rotates and cuts is larger than or equal to the diameter of the sleeve shell.

Further, in the embodiment of the utility model, the limiting assembly is composed of two semicircular limiting plates, and the two limiting plates are fixedly connected through bolts.

Further, in the embodiment of the utility model, the connecting installation block is provided with the connector, the connector is provided with the connecting groove, the connecting installation block is inserted into the connecting groove and fixedly connected with the connector through the bolt, and the surface of one side of the connector is provided with the connecting shaft for connecting the vertical lathe processing head.

The beneficial effects of the utility model are as follows: according to the utility model, the first boring cutter and the second boring cutter are arranged to perform stepped cutting processing when the wind power main shaft is processed, so that the cutting processing of the wind power main shaft inner hole can be completed once when the wind power main shaft is processed by boring the inner hole, the cutter withdrawal and feeding actions are not required to be repeated, the processing efficiency is improved, the boring main shaft can be limited through the shaft sleeve outer shell, the shaft sleeve inner shell, the first bearing and the second bearing, the stability of the first boring cutter and the second boring cutter can be ensured when the boring main shaft stretches into the wind power main shaft inner hole for a long distance, the cutter vibration phenomenon can not occur, and the boring main shaft can be limited through the shaft sleeve outer shell, so that the boring main shaft always keeps the same shaft center with the inner hole of the wind power main shaft, and the cutter vibration phenomenon is avoided through the limiting of the shaft sleeve outer shell.

Drawings

The application will be further described with reference to the drawings and examples.

Fig. 1 is a schematic diagram of the overall structure of a special device for a vertical lathe for machining a wind power main shaft.

Fig. 2 is a schematic perspective view of fig. 1 from another perspective

Fig. 3 is a schematic view of the internal structure of the sleeve housing of fig. 1, taken along.

Fig. 4 is a schematic structural view of a connector adapted to be connected with a device special for a vertical lathe for machining a wind power spindle.

Fig. 5 is a partially enlarged structural schematic diagram at a in fig. 3.

10. Boring spindle 101, connection mounting block 102, and tool mounting head

20. Shaft sleeve shell 201, first bearing 202 and limiting assembly

203. Cover plate 204, shaft sleeve inner shell 205 and mounting table

206. First limit edge 207, second limit edge 208, and third limit edge

30. First boring cutter 40, second boring cutter 50, connector

501. Connecting groove 502 and connecting shaft

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

As shown in fig. 1-5, the embodiment discloses a special vertical lathe device for machining a wind power spindle, which comprises a boring spindle 10, wherein two connecting mounting blocks 101 are symmetrically and fixedly arranged at the upper end of the boring spindle 10, a space is reserved between the two connecting mounting blocks 101, the two connecting mounting blocks 101 are arranged in a concave shape, a connector 50 is arranged on the connecting mounting blocks 101, a connecting groove 501 is formed in the connector 50, the connecting mounting blocks 101 are inserted into the connecting groove 501 and are fixedly connected with the connector 50 through bolts, a connecting shaft 502 for connecting a vertical lathe machining head is arranged on one side surface of the connector 50, a cutter mounting head 102 is arranged at the lower end of the boring spindle 10, and a plurality of groups of machining cutters are fixedly arranged in the cutter mounting head 102 as shown in fig. 2. In this embodiment, each set of machining tools includes: the first boring cutter 30 and the second boring cutter 40, the first boring cutter 30 is located above the second boring cutter 40, the diameter of a circle formed by the second boring cutter 40 when in rotary cutting is smaller than the diameter of a circle formed by the first boring cutter 30 when in rotary cutting, and the diameter of a largest circle formed by the processing cutter when in rotary cutting is larger than or equal to the diameter of the shaft sleeve shell 20. For convenience of explanation, in this embodiment, the second boring cutter 40 cuts a first cutting diameter on the workpiece to be machined, and then the first boring cutter 30 cuts a desired diameter, which is called stepped cutting, so as to reduce the machining allowance of the second boring cutter 40. In the embodiment, the processing cutters are arranged in two groups, and the accuracy of the wind power main shaft in the inner hole cutting process and the cutting processing speed can be further improved by arranging the two groups of processing cutters.

As shown in fig. 1 to 5, a protruding mounting table 205 is provided on the outer peripheral surface of the boring spindle 10 above the tool mounting head 102, a first bearing 201 is sleeved on the outer periphery of the boring spindle 10 above the mounting table 205, the outer diameter of the first bearing 201 is smaller than the diameter of the mounting table 205, a sleeve inner shell 204 is sleeved on the outer periphery of the first bearing 201 above the mounting table 205, the sleeve inner shell 204 is provided in a hollow shape, a first limit edge 206 of the sleeve inner shell 204 is attached to the surface of the mounting table 205, a second limit edge 207 of the sleeve inner shell 204 is attached to the surface of the first bearing 201, a protruding snap ring is provided on the inner wall surface of the sleeve inner shell 204 above the second limit edge 207, a third limit edge 208 is provided on the inner wall surface of the sleeve inner shell 204 above the snap ring, the diameter of the third limit edge 208 is the same as the diameter of the second limit edge 207, the second bearing is sleeved and connected on the periphery of the boring spindle 10 above the first bearing 201, the surface of the second bearing is jointed with the third limit edge 208, the upper surface of the second bearing is flush with the upper surface of the shaft sleeve inner shell 204, a mounting ring groove is arranged on the periphery of the boring spindle 10 above the second bearing, a limit component 202 is nested and connected in the mounting ring groove, the limit component 202 consists of two semicircular limit plates, the two limit plates are fixedly connected through bolts, a cover plate 203 is arranged on the upper surface of the shaft sleeve inner shell 204, the center of the cover plate 203 is a through hole and sleeved on the periphery of the limit component 202, the inner diameter of the cover plate 203 is smaller than the outer diameter of the shaft sleeve inner shell 204, a shaft sleeve outer shell 20 is sleeved on the periphery of the shaft sleeve inner shell 204, a convex clamping plate is arranged at the lower end of the shaft sleeve outer shell 20 and is jointed with the lower end surface of the shaft sleeve inner shell 204, the diameter of the sleeve housing 20 is larger than the diameter of the cover plate 203 and the sleeve housing 20 is fixed with the cover plate 203 by bolts. By arranging the first boring cutter 30 and the second boring cutter 40 to perform stepped cutting processing when the wind power main shaft is processed, the cutting processing of the inner hole of the wind power main shaft can be completed once when the wind power main shaft is processed for boring the inner hole, the tool withdrawal and feeding actions do not need to be repeated, the processing efficiency is improved, the boring main shaft 10 can be limited through the shaft sleeve outer shell 20, the shaft sleeve inner shell 204, the first bearing 201 and the second bearing, the stability of the first boring cutter 30 and the second boring cutter 40 can be ensured when the boring main shaft 10 stretches into the inner hole of the wind power main shaft for a long distance, the cutter vibration phenomenon can not occur, and the boring main shaft 10 can be limited through the shaft sleeve outer shell 20, so that the boring main shaft 10 always keeps the same axis with the inner hole of the wind power main shaft, and the cutter vibration phenomenon can be avoided through the limiting of the shaft sleeve outer shell 20.

The working principle of the utility model is as follows: firstly, connecting a connector 50 with a machining head of a vertical lathe, fixedly mounting a connecting mounting block 101 with a connecting groove 501 of the connector 50, respectively mounting a first boring cutter 30 and a second boring cutter 40 in a cutter mounting head 102, and keeping a gap between a cutter tip of the first boring cutter 30 and a cutter tip of the second boring cutter 40, namely, the first boring cutter 30 and the second boring cutter 40 correspond to different cutting diameters, wherein the cutting diameter of the second boring cutter 40 is smaller than that of the first boring cutter 30, then, when an inner hole of a wind power main shaft is cut, controlling the connector 50 to lift through the vertical lathe (not shown in the figure), and driving the boring main shaft 10 to lift through the connector 50, thereby carrying out stepped cutting machining on the inner hole of the wind power main shaft through the first boring cutter 30 and the second boring cutter 40, specifically comprising: the first cutting diameter is firstly cut out of the inner hole of the wind power main shaft through the second boring cutter 40, the first cutting diameter is smaller than the diameter required to be processed, then the inner hole of the wind power main shaft is cut through the first boring cutter 30, so that the required processing diameter is formed, the cutter withdrawal and feeding actions are not required to be repeated in the cutting process of the wind power main shaft, the processing efficiency of the inner hole of the wind power main shaft is improved, and the cutter vibration phenomenon caused by the fact that the extending distance of the boring main shaft 10 is longer can be avoided through the shaft sleeve outer shell 20, the shaft sleeve inner shell 204, the first bearing 201 and the second bearing when the boring main shaft 10 extends into the wind power main shaft for a longer distance.

While the foregoing describes illustrative embodiments of the present application so that those skilled in the art may understand the present application, the present application is not limited to the specific embodiments, and all applications and creations utilizing the inventive concepts are within the scope of the present application as long as the modifications are within the spirit and scope of the present application as defined and defined in the appended claims to those skilled in the art.

Claims

1. The utility model provides a vertical lathe isolated plant that processing wind-powered electricity generation main shaft was used, includes bore hole main shaft, its characterized in that: two connecting mounting blocks are symmetrically and fixedly arranged at the upper end of the boring spindle, a gap is reserved between the two connecting mounting blocks, the two connecting mounting blocks are arranged to be concave, the lower end of the boring spindle is arranged to be a cutter mounting head, a plurality of groups of processing cutters are fixedly arranged in the cutter mounting head, a convex mounting table is arranged on the outer peripheral surface of the boring spindle above the cutter mounting head, a first bearing is sleeved and connected on the outer periphery of the boring spindle above the mounting table, the outer diameter of the first bearing is smaller than that of the mounting table, a shaft sleeve inner shell is sleeved and arranged on the outer periphery of the first bearing above the mounting table, the shaft sleeve inner shell is arranged to be hollow, a first limit edge of the shaft sleeve inner shell is attached to the surface of the mounting table, a second limit edge of the shaft sleeve inner shell is attached to the surface of the first bearing, a convex clamping ring is arranged on the inner wall surface of the shaft sleeve inner shell above the second limit edge, the inner wall surface of the shaft sleeve inner shell above the clamping ring is provided with a third limit edge, the diameter of the third limit edge is the same as that of the second limit edge, the periphery of the boring spindle above the first bearing is also sleeved with a second bearing, the surface of the second bearing is attached to the third limit edge, the upper surface of the second bearing is flush with the upper surface of the shaft sleeve inner shell, the periphery surface of the boring spindle above the second bearing is provided with a mounting ring groove, the mounting ring groove is internally nested and connected with a limit assembly, the upper surface of the shaft sleeve inner shell is provided with a cover plate, the center of the cover plate is provided with a through hole and sleeved on the periphery of the limit assembly, the inner diameter of the cover plate is smaller than the outer diameter of the shaft sleeve inner shell, the periphery of the shaft sleeve inner shell is sleeved with a shaft sleeve outer shell, the lower end of the shaft sleeve outer shell is provided with a convex clamping plate, the clamping plate is attached to the lower end surface of the shaft sleeve inner shell, the diameter of the shaft sleeve shell is larger than that of the cover plate, and the shaft sleeve shell is fixed with the cover plate through bolts.

2. A vertical lathe specific apparatus for machining a wind power main shaft according to claim 1, wherein each set of machining tools comprises: the first boring cutter is positioned above the second boring cutter.

3. The special device for the vertical lathe for machining the wind power spindle according to claim 2, wherein the diameter of a circle formed by the second boring cutter during rotary cutting is smaller than the diameter of a circle formed by the first boring cutter during rotary cutting.

4. A vertical lathe special device for machining a wind power main shaft according to claim 3, wherein the maximum circle diameter formed when the machining tool is rotated and cut is equal to or larger than the diameter of the sleeve housing.

5. The special device for the vertical lathe for machining the wind power main shaft according to claim 1, wherein the limiting assembly is composed of two semicircular limiting plates, and the two limiting plates are fixedly connected through bolts.

6. The device for the vertical lathe for machining the wind power main shaft according to claim 1, wherein the connecting installation block is provided with a connector, the connector is provided with a connecting groove, the connecting installation block is inserted into the connecting groove and is fixedly connected with the connector through a bolt, and a connecting shaft for connecting the vertical lathe machining head is arranged on one side surface of the connector.