CN221020906U

CN221020906U - Machining device for turbine shaft of turbocharger

Info

Publication number: CN221020906U
Application number: CN202322859153.9U
Authority: CN
Inventors: 赵忠青
Original assignee: Fengcheng Wanfeng Turbocharger Co ltd
Current assignee: Fengcheng Wanfeng Turbocharger Co ltd
Priority date: 2023-10-25
Filing date: 2023-10-25
Publication date: 2024-05-28
Anticipated expiration: 2033-10-25

Abstract

The utility model discloses a machining device for a turbine shaft of a turbocharger, which relates to the technical field of clamps and comprises a driving assembly, a workbench, a frame plate, a machining mechanism and a pair of clamping mechanisms, wherein the frame plate is fixedly arranged on the rear side of the center of the workbench, the machining mechanism is arranged at the top of the frame plate, and the pair of clamping mechanisms are arranged on two sides of the center of the workbench; the clamping mechanisms comprise fixed cylinders, fixed plates, driving rings, driving rotating assemblies, a plurality of push rods and a plurality of push plates, wherein the fixed cylinders are fixedly arranged on the workbench through the fixed plates, the fixed cylinders in the pair of clamping mechanisms are coaxial and positioned below the processing mechanism, and mounting rings are arranged on the side walls of the bottom surfaces of two sides of the driving rings; according to the utility model, the motor drives the driving ring to rotate, and the driving ring rotates to enable the push rod in each chute to simultaneously move inwards, so that the plurality of push plates clamp the side surface of the turbine shaft, the synchronism is high, the clamping is stable, the position is accurate, the clamping is rapid, and the production quality and the production efficiency are improved.

Description

Machining device for turbine shaft of turbocharger

Technical Field

The utility model relates to the technical field of clamps, in particular to a machining device for a turbine shaft of a turbocharger.

Background

The turbocharger mainly comprises a compressor and a turbine, wherein the compressor mainly comprises an impeller, the turbine mainly comprises a turbine, the impeller and the turbine are fixedly connected through a shaft, namely a turbine shaft, and the turbine shaft mainly plays a role in transmitting torque.

The turbine shaft needs to be mechanically machined such as keyways and drilling holes in the production and machining processes, the turbine shaft needs to be fixed by using a clamp during machining, and because the turbine shaft is in a long cylindrical shape and the side surface is a curved surface, the mode adopted at present is a clamping mode through a cylinder, the clamping mode is mostly two-point clamping, the clamping mode is simple, the clamping stability is relatively poor, some clamps also adopt three-jaw chucks, the side surface of the turbine shaft is clamped through three cylinders during working, but the synchronism of the work of the three cylinders per se is poor during long-time working, errors occur, and the same position as the original axial lead cannot be guaranteed, so that the precision during machining is affected.

Disclosure of utility model

According to the processing device for the turbine shaft of the turbocharger, disclosed by the utility model, the motor drives the driving ring to rotate, the inner side surface of the driving ring is provided with the plurality of arc-shaped sliding grooves with gradually shallower depth, and the pushing rod in each sliding groove can simultaneously move inwards due to the rotation of the driving ring, so that the side surface of the turbine shaft is clamped by the plurality of pushing plates, the synchronism is strong, the clamping is stable, the position is accurate, the clamping is rapid, and the production quality and the production efficiency are improved.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the machining device for the turbine shaft of the turbocharger comprises a workbench, a frame plate, a machining mechanism and a pair of clamping mechanisms, wherein the frame plate is fixedly arranged on the rear side of the center of the workbench, the machining mechanism is arranged at the top of the frame plate, and the pair of clamping mechanisms are arranged on two sides of the center of the workbench; the clamping mechanism comprises a fixed cylinder, a fixed plate, a driving ring, a driving rotating assembly, a plurality of push rods and a plurality of push plates, wherein the fixed cylinder is fixedly arranged on the workbench through the fixed plate, the fixed cylinders in the pair of clamping mechanisms are coaxial and positioned below the machining mechanism, mounting rings are arranged on the side walls of the bottom surfaces of two sides of the driving ring, the driving ring is sleeved at the central position of the fixed cylinder and is rotationally connected with the fixed cylinder through ball bearings, a plurality of sliding grooves are formed in the inner side wall of the driving ring, the bottom of each sliding groove is an arc-shaped surface with gradually shallower depth, a plurality of through holes are uniformly formed in the positions of the corresponding sliding grooves in the fixed cylinder, the push rods vertically and movably penetrate through the through holes through linear bearings, one ends of the push rods can slide in the corresponding sliding grooves, the other ends of the push rods are fixedly connected with the push plates, and the driving assembly can drive the driving ring to rotate.

Preferably, the driving assembly comprises a motor, a gear and a gear ring, wherein the gear ring is sleeved on the side surface of the driving ring, the motor is fixedly arranged on the side wall of the fixing plate, the output end of the motor is fixedly connected with the gear, and the gear is meshed with the gear ring.

Preferably, an extension spring is arranged between the push plate and the inner side wall of the fixed cylinder.

Preferably, one side of the push plate, which is contacted with the turbine shaft, is provided with an arc surface, and an anti-slip pad is arranged.

The utility model provides a turbocharger turbine shaft machining device, which has the following beneficial effects:

1. According to the utility model, the motor drives the driving ring to rotate, the inner side surface of the driving ring is provided with a plurality of arc-shaped sliding grooves with gradually shallower depth, and the pushing rod in each sliding groove can simultaneously move inwards by the rotation of the driving ring, so that a plurality of pushing plates clamp the side surface of the turbine shaft, the clamping is strong in synchronism, stable in clamping, accurate in position and rapid in clamping, and the production quality and the production efficiency are improved;

2. In the utility model, the extension spring can be arranged between the push plate and the inner side wall of the fixed cylinder, and when the driving ring does not push the push rod in a non-working state, the push plate is ensured to be in a state of being close to the inner side wall of the fixed cylinder, so that the installation of the turbine shaft is convenient.

Drawings

FIG. 1 is a front cross-sectional view of a clamping mechanism according to the present utility model;

FIG. 2 is a left side cross-sectional view of the clamping mechanism of the present utility model;

fig. 3 is an overall schematic view of a turbocharger turbine shaft machining apparatus according to the present utility model.

In the figure: 1. a turbine shaft; 2. a ball bearing; 3. a fixing plate; 4. a motor; 5. a gear; 6. a gear ring; 7. a drive ring; 8. a mounting ring; 9. a fixed cylinder; 10. a push plate; 11. a linear bearing; 12. a chute; 13. a push rod; 14. a tension spring; 15. a work table; 16. a frame plate; 17. and a processing mechanism.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-3, a machining device for a turbine shaft 1 of a turbocharger comprises a workbench 15, a frame plate 16, a machining mechanism 17 and a pair of clamping mechanisms, wherein the frame plate 16 is fixedly arranged on the rear side of the center of the workbench 15, the machining mechanism 17 is arranged on the top of the frame plate 16, and the pair of clamping mechanisms are arranged on two sides of the center of the workbench 15; the clamping mechanism comprises a fixed cylinder 9, a fixed plate 3, a driving ring 7, a driving rotating assembly, a plurality of push rods 13 and a plurality of push plates 10, wherein the fixed cylinder 9 is fixedly arranged on a workbench 15 through the fixed plate 3, the fixed cylinders 9 in a pair of clamping mechanisms are coaxial and positioned below a processing mechanism 17, the side walls of the bottom surfaces of two sides of the driving ring 7 are provided with mounting rings 8, the driving ring 7 is sleeved at the central position of the fixed cylinder 9 and is rotationally connected with the fixed cylinder 9 through ball bearings 2, the inner side walls of the driving ring 7 are provided with a plurality of sliding grooves 12, the bottoms of the sliding grooves 12 are arc surfaces with gradually shallower depths, a plurality of through holes are uniformly formed in the positions of the fixed cylinders 9 corresponding to the sliding grooves 12, the push rods 13 vertically and movably penetrate through the through holes through linear bearings 11, one ends of the push rods 13 can slide in the corresponding sliding grooves 12, the other ends of the push rods 13 are fixedly connected with the push plates 10, and the driving assembly can drive the driving ring 7 to rotate; the driving assembly comprises a motor 4, a gear 5 and a gear ring 6, wherein the gear ring 6 is sleeved on the side surface of a driving ring 7, the motor 4 is fixedly arranged on the side wall of the fixed plate 3, the output end of the motor 4 is fixedly connected with the gear 5, and the gear 5 is in meshed connection with the gear ring 6; an extension spring 14 is arranged between the push plate 10 and the inner side wall of the fixed cylinder 9; the side of the push plate 10, which is contacted with the turbine shaft 1, is provided with an arc surface and is provided with an anti-slip pad.

The detailed connection means are known in the art, and the following mainly introduces the working principle and process, specifically as follows:

As can be seen from fig. 1 to 3 of the specification, when the utility model is used, since the fixing cylinders 9 of the pair of clamping mechanisms are all fixed on the workbench 15 through the fixing plate 3, and the two fixing cylinders 9 are coaxial, the turbine shaft 1 to be processed can be inserted into the two fixing cylinders 9, and when the design is adopted, the inner diameter of the fixing cylinders 9 is necessarily larger than the diameter of the turbine shaft 1, so that the utility model can be suitable for mounting and clamping of various turbine shafts 1 which are smaller than the inner diameter of the fixing cylinders 9. The mounting rings 8 on two sides of the rotating ring are rotationally connected with the fixed cylinder 9 through the ball bearings 2, the fixed cylinder is internally provided with the sliding grooves 12 with gradually shallower depths, and the push rods 13 are connected with the fixed cylinder 9 through the linear bearings 11, so that the driving assembly is started, the driving assembly can drive the driving ring 7 to rotate, the push rods 13 in the sliding grooves 12 at one end are pushed to move towards the axis direction of the fixed cylinder 9 due to the fact that the bottoms of the sliding grooves 12 gradually shallower, so that the push plates 10 on the other end of the push rods 13 are pushed against the side surfaces of the turbine shaft 1, and at least three push rods 13 and push plates 10 are limited for ensuring the clamping stability because the push rods 13 and the push plates 10 are respectively multiple. Compared with the prior art, the multiple pushing plates 10 clamp the side surfaces of the turbine shaft 1, the multiple sliding grooves 12 have the same inner structure, push the pushing rods 13 simultaneously, the synchronism is high, the clamping is stable, the axial lead of the clamped turbine shaft 1 is the same as that of the fixed cylinder 9, the position is accurate, and only the driving assembly is required to drive the driving ring 7 to rotate for a plurality of clamping fastenings, so that the clamping is rapid, and the production quality and the production efficiency are improved. The sliding groove 12 is arranged as shown in fig. 2, and can be matched with the rotation of the driving ring 7 to drive the push rod 13 to move according to the depth change of the sliding groove 12.

Wherein, drive assembly includes motor 4, gear 5 and ring gear 6, and the side surface at driving ring 7 is established to the 6 cover of ring gear, and motor 4 is fixed to be set up in the lateral wall of fixed plate 3, and output and gear 5 fixed connection, and gear 5 and ring gear 6 meshing are connected, during operation, and motor 4 work output drives gear 5 rotation to drive ring gear 6 and driving ring 7 rotation, this specific direction of rotation is decided according to the degree of depth variation direction of spout 12, and the technical knowledge can be set up through the technical knowledge to the skilled person.

Wherein, be provided with extension spring 14 between push pedal 10 and the fixed section of thick bamboo 9 inside wall, under the unoperated state, when driving ring 7 did not promote push rod 13, guaranteed that push pedal 10 is in the state that is close to the fixed section of thick bamboo 9 inside wall, make things convenient for the installation of turbine shaft 1.

Further, the side of the push plate 10 contacting the turbine shaft 1 in the present utility model may be provided with an arc surface and provided with a slip pad to increase friction with the turbine shaft 1. The machining mechanism 17 in the utility model can be arranged according to specific machining requirements of the turbine shaft 1, such as a drilling mechanism, a grooving mechanism and the like, and the prior art is adopted.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The machining device for the turbine shaft (1) of the turbocharger is characterized by comprising a driving assembly, a workbench (15), a frame plate (16), a machining mechanism (17) and a pair of clamping mechanisms, wherein the frame plate (16) is fixedly arranged on the rear side of the center of the workbench (15), the machining mechanism (17) is arranged at the top of the frame plate (16), and the pair of clamping mechanisms are arranged on two sides of the center of the workbench (15); the clamping mechanism comprises a fixed cylinder (9), a fixed plate (3), a driving ring (7), a driving rotating assembly, a plurality of push rods (13) and a plurality of push plates (10), wherein the fixed cylinder (9) is fixedly arranged on a workbench (15) through the fixed plate (3), the fixed cylinder (9) in a pair of clamping mechanisms is coaxial and located below a processing mechanism (17), mounting rings (8) are arranged on the side walls of the bottom surfaces of two sides of the driving ring (7), the driving ring (7) is sleeved at the central position of the fixed cylinder (9) and is rotationally connected with the fixed cylinder (9) through ball bearings (2), a plurality of sliding grooves (12) are formed in the inner side wall of the driving ring (7), the bottom of each sliding groove (12) is an arc surface with gradually shallower depth, a plurality of through holes are uniformly formed in the positions of the corresponding sliding grooves (12) in the fixed cylinder (9), one end of each push rod (13) vertically penetrates through the through holes through a linear bearing (11), and the other end of each push rod (13) can slide in the corresponding sliding groove (12), and the driving ring (10) is fixedly connected with the driving ring (7).

2. The machining device for the turbine shaft (1) of the turbocharger according to claim 1, wherein the driving assembly comprises a motor (4), a gear (5) and a gear ring (6), the gear ring (6) is sleeved on the side surface of the driving ring (7), the motor (4) is fixedly arranged on the side wall of the fixing plate (3), the output end of the motor (4) is fixedly connected with the gear (5), and the gear (5) is meshed and connected with the gear ring (6).

3. The machining device for the turbine shaft (1) of the turbocharger according to claim 1, wherein a tension spring (14) is arranged between the push plate (10) and the inner side wall of the fixed cylinder (9).

4. A machining device for a turbine shaft (1) of a turbocharger according to claim 1, characterized in that the side of the push plate (10) contacting the turbine shaft (1) is provided with an arc surface and is provided with a skid pad.