CN217619975U

CN217619975U - Aeroengine blade root finish trimming roller

Info

Publication number: CN217619975U
Application number: CN202221152834.0U
Authority: CN
Inventors: 杨帅; 王晓博
Original assignee: Zhengzhou Hualing Superhard Material Co ltd
Current assignee: Zhengzhou Hualing Superhard Material Co ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-10-21
Anticipated expiration: 2032-05-13

Abstract

The utility model belongs to the field of engine blade trimming, a roller for finishing the tooth root of an aero-engine blade is disclosed, which comprises an installation rotating shaft, a roller body and an installation positioning seat, wherein the installation rotating shaft is provided with a shaft hole, the installation rotating shaft is connected with a fixed tooth, the inner side of the roller body is provided with a tooth socket, the tooth socket is matched with the fixed tooth, the roller body is connected with a positioning plate, the positioning plate is matched with the installation positioning seat, the positioning plate is connected with a first mortise and tenon hole, the installation positioning seat is provided with a second mortise and tenon hole, the first mortise and tenon hole is matched with the second mortise and tenon hole, a mortise rod is inserted in the first mortise and tenon hole and the second mortise hole, the roller body comprises a base body roller and a blade roller, and the installation positioning seat is connected with a positioning device; by adopting the technical scheme, the engine blade workpiece can be rapidly processed without replacing the roller for multiple times, the processing efficiency is enhanced, the rolling path body is stable and connected with the installation rotating shaft, the use stability of the roller is ensured, and the service life of the roller is prolonged.

Description

Aeroengine blade root finish trimming roller

Technical Field

The utility model relates to an engine blade field of repairing especially relates to an aeroengine blade tooth root truing gyro wheel.

Background

The variety of blades is various, but each type of blade mainly consists of two parts, namely an assembly surface part and a steam passage part. The assembling surface part is also called a tenon root part, and parallel tenon teeth are arranged on the tenon root part, so that the blades are safely, reliably, accurately and reasonably fixed on the impeller to ensure the normal work of the steam passage part. Sometimes, the blade also has a blade crown and a garter bar due to the requirements of sealing, frequency modulation, vibration reduction and stress. The steam passage part is also called a molded line part and forms a passage of working air flow to finish the function of the blade. The existing method for processing the blade tenon root can firstly process a trimming roller corresponding to the shape of the tenon root, process a grinding wheel by using the trimming roller and process the blade tenon root by using the grinding wheel. The gyro wheel simple structure that uses at present, because the blade structure is more complicated, need to change a plurality of gyro wheels to blade tenon root processing and just can finish to corresponding emery wheel processing, need staff to change the gyro wheel many times in the course of working, the operation is very loaded down with trivial details, it is very inconvenient to use, use the gyro wheel to add man-hour to the emery wheel, need install the gyro wheel to the pivot of lathe, the diamond gyro wheel that uses at present installs through the pivot cooperation of straight hole and with straight hole adaptation, and utilize the screw rod to fix, be connected the diamond gyro wheel and the lathe pivot, positioning effect is relatively poor, connect unstably, there is the possibility of taking place swing or pivoted in diamond gyro wheel to the emery wheel course of working, have certain loss to the screw tooth, the staff is hurt in serious time diamond gyro wheel can drop, in addition long-time after-using connecting screw rod easily leads to the screw rod transverse fracture because the shearing force in gyro wheel and the pivot rotation, cause the accident.

SUMMERY OF THE UTILITY MODEL

The utility model provides an aeroengine blade tooth root truing gyro wheel to solve current diamond roller single structure, inconvenient effectively processes the engine blade tenon root and diamond roller is connected unstable problem with the pivot.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an aeroengine blade tooth root truing gyro wheel, includes installation pivot, gyro wheel body and installation positioning seat, the installation positioning seat with the installation pivot is connected, the shaft hole has been seted up in the installation pivot, the gyro wheel body has seted up the pivot mounting hole, the gyro wheel body cup joint in the installation pivot outside, the installation pivot is connected with fixed tooth, gyro wheel body inboard is equipped with the tooth's socket, the tooth's socket with fixed tooth mutually supports, the gyro wheel body is connected with the locating plate, the locating plate with the installation positioning seat mutually supports, the locating plate is connected with first tenon fourth of twelve earthly branches hole, the installation positioning seat is equipped with second tenon fourth of twelve earthly branches hole, first tenon fourth of twelve earthly branches hole and second tenon fourth of twelve earthly branches hole mutually support, the gyro wheel body includes base member gyro wheel and blade gyro wheel, the base member gyro wheel has cylindrical surface, blade gyro wheel surface and blade tooth root appearance curve cooperation, the installation positioning seat is connected with positioner.

Preferably, first tenon fourth of twelve earthly branches hole and second tenon fourth of twelve earthly branches hole lateral wall all are equipped with first spacing spout, tenon fourth of twelve earthly branches pole is connected with limiting slide block, limiting slide block with first spacing spout is mutually supported, second tenon fourth of twelve earthly branches hole bottom is equipped with the spacing spout of second, the spacing spout of second with limiting slide block mutually supports.

Preferably, the positioning device comprises a positioning rod, the positioning rod is connected with the installation positioning seat, the roller body is connected with a positioning hole, and the positioning hole is matched with the positioning rod.

Preferably, the mounting rotating shaft is provided with a plurality of lightening holes, and the lightening holes are arranged on the periphery of the shaft hole.

Preferably, four second mortise and tenon holes are formed, and the included angle between the connecting line between two adjacent second mortise and tenon holes and the axis of the installation positioning seat is 90 degrees.

Preferably, four positioning rods are arranged and correspond to the four second mortise and tenon holes one by one.

Compared with the prior art, the technical scheme has the beneficial effects that:

(1) The technical scheme includes that the blade roller comprises a base body rolling path and a blade roller, the outer contour of the blade roller is matched with a part corresponding to parallel tenon teeth in a blade tenon root, the blade roller can be used for trimming the corresponding part in a grinding wheel, the base body roller is used for trimming the rest part of the grinding wheel, and then the rest part of the blade tenon root of the engine is machined, only one diamond roller is needed to be installed to complete machining, the roller does not need to be frequently replaced in the machining process, the labor intensity of workers is reduced, the machining efficiency is enhanced, and the blade roller is convenient for workers to use; through the cooperation of fixed tooth and tooth's socket, to its location effect of gyro wheel body, fixed tooth closely cooperates with the tooth's socket, make diamond gyro wheel when rotating man-hour between gyro wheel body and the installation pivot can not produce relative circumferential slip, diamond gyro wheel's life has been improved greatly, the cooperation of fixed tooth and tooth's socket simultaneously, can offset the circumferential shear force between gyro wheel body and the installation pivot, the stability that the gyro wheel used has been improved, tenon fourth of twelve earthly branches pole inserts in first tenon fourth of twelve earthly branches hole and the second tenon fourth of twelve earthly branches hole, tenon fourth of twelve earthly branches pole inserts the direction by outside installation positioning seat axle center, carry on spacingly through tenon fourth of twelve earthly branches pole to the gyro wheel body, fix the gyro wheel body in the installation pivot, can effectively offset the centrifugal force that produces when the gyro wheel rotates through tenon fourth of twelve earthly branches pole, prevent the gyro wheel body because centrifugal force slides left, guarantee the stability of gyro wheel work, cooperation fixed tooth makes the gyro wheel body stable and installation pivot be connected.

(2) According to the technical scheme, the limiting slide block is respectively matched with the first limiting groove and the second limiting groove, the mortise and tenon rod can be quickly and stably inserted into the first mortise and tenon hole and the second mortise and tenon hole, the mortise and tenon rod can be conveniently taken out subsequently to trim the roller body, the first limiting groove also has a limiting effect on the insertion of the mortise and tenon rod, the correct angle when the mortise and tenon rod is inserted is ensured, and the mortise and tenon rod can be inserted more quickly; by arranging the positioning rod, the roller body can be more quickly sleeved outside the installation rotating shaft, so that the first mortise and tenon hole can be better matched with the second mortise and tenon hole, the subsequent mortise and tenon rod can be conveniently inserted, and the circumferential shearing force between the roller body and the installation rotating shaft is counteracted by the limiting effect of the roller body, so that the roller body is more stably connected; the weight of the diamond roller can be adjusted through the arranged lightening holes, so that the equal weight of the two sides of the diamond roller during machining is ensured, and the stability of the diamond roller during machining is enhanced; the tenon fourth of twelve earthly branches pole is all established to four groups with the locating lever, and the contained angle of line is 90 between two adjacent first tenon fourth of twelve earthly branches holes and the installation positioning seat axle center, and the gyro wheel body can have in a plurality of directions inserts the installation pivot, and mutually support in the position on the installation positioning seat, can be faster be connected gyro wheel body and installation pivot, facilitates the use.

Drawings

Fig. 1 is a front sectional view of the present invention;

fig. 2 is a schematic view of the installation rotating shaft provided by the present invention;

fig. 3 is a schematic view of the roller body and the mounting shaft provided by the present invention when connected;

fig. 4 is a schematic view of the mortise and tenon joint rod provided by the present invention;

reference numerals: the mounting device comprises a mounting rotating shaft 1, a shaft hole 2, fixing teeth 3, tooth grooves 4, blade rollers 5, a roller body 6, a base roller 7, a mortise and tenon rod 8, a first limiting sliding groove 9, a second limiting sliding groove 10, a limiting sliding block 11, a mounting positioning seat 12, a first mortise and tenon hole 13, a second mortise and tenon hole 14, a positioning rod 15, a positioning hole 16, a rotating shaft mounting hole 17, a positioning plate 18 and a lightening hole 19.

Detailed Description

The invention is described in further detail below with reference to the following figures and embodiments:

as shown in fig. 1 to 4, the aero-engine blade root finishing roller comprises a mounting rotating shaft 1, a roller body 6 and a mounting positioning seat 12, wherein the mounting positioning seat 12 is connected with the mounting rotating shaft 1, the mounting rotating shaft 1 is provided with a shaft hole 2, the roller body 6 is provided with a rotating shaft mounting hole 17, the roller body 6 is sleeved outside the mounting rotating shaft 1, the mounting rotating shaft 1 is connected with a fixing tooth 3, the inner side of the roller body 6 is provided with a tooth socket 4, the tooth socket 4 is matched with the fixing tooth 3, the right side of the roller body 6 is connected with a positioning plate 18, the positioning plate 18 is matched with the mounting positioning seat 12, the positioning plate 18 can be sleeved outside the mounting positioning seat 12, the positioning plate 18 is connected with a first mortise and tenon hole 13, the mounting positioning seat 12 is provided with a second mortise and tenon hole 14, the first mortise and tenon hole 13 is matched with the second mortise hole 14, a mortise rod 8 is inserted in the first mortise and tenon mortise hole 13 and the second mortise hole 14, the side walls of the first mortise hole 13 and the second mortise hole 14 are provided with a first limiting chute 9, the mortise and tenon rod 8 is connected with a limiting slide block 11, the limiting slide block 11 is matched with a first limiting slide groove 9, a second limiting slide groove 10 is arranged at the bottom of a second mortise and tenon hole 14, the second limiting slide groove 10 is matched with the limiting slide block 11, the roller body 6 comprises a base roller 7 and a blade roller 5, the base roller 7 is provided with a cylindrical outer surface, the outer surface of the blade roller 5 is matched with the outline curve of the root of a blade, an installation positioning seat 12 is connected with a positioning device, the positioning device comprises a positioning rod 15, the positioning rod 15 is connected with the installation positioning seat 12, the roller body 6 is connected with a positioning hole 16, the positioning hole 16 is matched with the positioning rod 15, a plurality of lightening holes 19 are formed in the installation rotating shaft 1, the plurality of lightening holes 19 are formed in the periphery of the shaft hole 2, four first mortise and tenon holes 13 are arranged, the included angle of a connecting line between two adjacent first mortise and the axis of the first mortise and the installation positioning seat 12 is 90 degrees, four positioning rods 15 are arranged, the four positioning rods 15 are all located on the outer side of the installation rotating shaft 1, the positions of the four positioning rods 15 on the installation positioning seat 12 correspond to the four second mortise and tenon holes 14 one by one respectively, the axle centers of the positioning rods 15 and the axle centers of the second mortise and tenon holes 14 corresponding to the positioning rods are located in the same plane, the first mortise and tenon holes 13 and the second mortise and tenon holes 14 can be overlapped after the roller body 6 is connected with the installation rotating shaft 1, and the roller body 6 is convenient to install.

As shown in fig. 3, the positioning holes 16 are aligned with the positioning rods 15, the tooth sockets 4 are aligned with the fixed teeth 3, the roller body 6 slides rightward along the installation rotating shaft 1 until the roller body 6 abuts against the left side wall of the installation positioning seat 12, the roller body 6 cannot slide rightward again, as shown in fig. 1, the positioning plate 18 is sleeved outside the installation positioning seat 12 at the moment, the first mortise hole 13 and the second mortise hole 14 coincide, the limiting slider 11 is aligned with the first chute, the mortise rod 8 is inserted inwards along the first mortise hole 13 and the second mortise hole 14, the limiting slider 11 slides along the first chute when the mortise rod 8 is inserted inwards, when the bottom of the mortise rod 8 abuts against the bottom of the second mortise hole 14, the mortise rod 8 is rotated, the limiting slider 11 is rotated and slid into the second limiting groove, the mortise rod 8 cannot slide along the second mortise hole 14 at the moment, the roller body 6 is fixed on the positioning seat, the roller body is prevented from moving leftwards relative to the installation rotating shaft 1, the mortise rod 8 is inserted into the positioning seat, the roller body can be prevented from being detached and can be conveniently by centrifugal force generated by a worker who can use the roller body when the mortise rod 8 is rotated, and the roller body is convenient to disassemble and assemble.

The specific implementation process is as follows:

the roller body 6 is stably connected with the installation rotating shaft 1, the roller is installed on the rotating shaft of a machine tool, the blade roller 5 and the base body roller 7 are used for trimming the corresponding part of the workpiece, after trimming is completed, the mortise and tenon rod 8 can be taken down and the installation rotating shaft 1 is taken down, the maintenance is respectively carried out on the workpiece, or the damaged roller body 6 is rapidly replaced, when the size of the workpiece is changed, the roller body 6 corresponding to the workpiece can be rapidly replaced, the workpiece processing efficiency is improved, the practicability is greatly enhanced, and the use by workers is facilitated.

The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides an aeroengine blade root truing gyro wheel which characterized in that: the installation and positioning device comprises an installation rotating shaft (1), a roller body (6) and an installation positioning seat (12), wherein the installation positioning seat (12) is connected with the installation rotating shaft (1), the installation rotating shaft (1) is provided with a shaft hole (2), the roller body (6) is provided with a rotating shaft installation hole (17), the roller body (6) is sleeved on the outer side of the installation rotating shaft (1), the installation rotating shaft (1) is connected with a fixed tooth (3), the inner side of the roller body (6) is provided with a tooth socket (4), the tooth socket (4) is matched with the fixed tooth (3), the roller body (6) is connected with a positioning plate (18), the positioning plate (18) is matched with the installation positioning seat (12), the positioning plate (18) is connected with a first mortise hole (13), the installation positioning seat (12) is provided with a second mortise hole (14), the first mortise hole (13) and the second mortise hole (14) are matched with each other, the first mortise hole (13) and the second mortise hole (14) are inserted with each other, the roller body (6) comprises a roller body (7) and a cylindrical blade root, and a blade, the blade is matched with the blade, the blade has a curve, and the blade profile of the roller body (5), the mounting and positioning seat (12) is connected with a positioning device.

2. An aircraft engine blade root finishing roller as defined in claim 1, wherein: first tenon fourth of twelve earthly branches hole (13) and second tenon fourth of twelve earthly branches hole (14) lateral wall all are equipped with first spacing spout (9), tenon fourth of twelve earthly branches pole (8) are connected with limiting slide block (11), limiting slide block (11) with first spacing spout (9) are mutually supported, second tenon fourth of twelve earthly branches hole (14) bottom is equipped with the spacing spout of second (10), the spacing spout of second (10) with limiting slide block (11) are mutually supported.

3. An aircraft engine blade root finishing roller as defined in claim 2, wherein: the positioning device comprises a positioning rod (15), the positioning rod (15) is connected with the installation positioning seat (12), the roller body (6) is connected with a positioning hole (16), and the positioning hole (16) is matched with the positioning rod (15).

4. The aero-engine blade root finishing roller as claimed in claim 2, wherein: the installation rotating shaft (1) is provided with a plurality of lightening holes (19), and the lightening holes (19) are arranged on the periphery of the shaft hole (2).

5. An aircraft engine blade root finishing roller as defined in claim 2, wherein: four second mortise and tenon holes (14) are arranged, and the included angle of a connecting line between two adjacent second mortise and tenon holes (14) and the axis of the mounting positioning seat (12) is 90 degrees.

6. An aircraft engine blade root finishing roller as defined in claim 3, wherein: four positioning rods (15) are arranged, and the four positioning rods (15) are respectively in one-to-one correspondence with the four second mortise and tenon holes (14).