WO2023168958A1

WO2023168958A1 - Axis adjusting device of friction welding machine, slide mechanism, and friction welding machine

Info

Publication number: WO2023168958A1
Application number: PCT/CN2022/129109
Authority: WO
Inventors: 张春波; 乌彦全; 梁武; 李睿; 秦丰; 李运雷; 周军; 赵玉珊; 王祁; 杨海峰; 闫翰林; 张文瀚; 林跃; 许明; 金尕迪
Original assignee: 哈尔滨焊接研究院有限公司
Priority date: 2022-03-11
Filing date: 2022-11-02
Publication date: 2023-09-14
Also published as: NL2033234B1; CN114453722A

Abstract

An axis adjusting device of a friction welding machine, comprising a plurality of tensioning mechanisms (3) and a plurality of adjusting mechanisms (2). The tensioning mechanisms (3) are used for being arranged on the side of a slide away from a tailstock integrating body (1); the tailstock integrating body (1) is used for mounting a tailstock workpiece; the tensioning mechanisms (3) can drive the tailstock integrating body (1) to move in a direction close to the slide so as to limit the axial and radial movement of the tailstock integrating body (1); the adjusting mechanisms (2) are fixedly arranged on the slide; the plurality of adjusting mechanisms (2) are distributed around the tailstock integrating body (1); when the tailstock integrating body (1) is in a position adjustable state, by means of the plurality of adjusting mechanisms (2), the radial position of the tailstock integrating body (1) can be adjusted, and the radial position of the tailstock integrating body (1) can be locked. A slide mechanism (100), comprising a tailstock integrating body (1), a slide, and an axis adjusting device of a friction welding machine. A friction welding machine, comprising a slide mechanism (100). According to the axis adjusting device of a friction welding machine, the slide and the friction welding machine can adjust the axis position of the tailstock workpiece, and the adjusting process is time-saving and labor-saving.

Description

Friction welding machine axis adjustment device, sliding table mechanism and friction welding machine

Technical field

The present invention relates to the technical field of friction welding, and in particular to a friction welding machine axis adjustment device, a sliding table mechanism and a friction welding machine.

Background technique

As an important component of an aerospace engine, the compressor is a mechanical device that transmits mechanical energy to the gas to complete the compression of the gas medium in the engine thermal cycle, thereby increasing the gas pressure. The compressor disk is an important part of the compressor. The traditional connections between the disks at all levels are mechanical bolt connection and electron beam welding. However, the mechanical connection causes the compressor disk to be thicker and of higher quality, which increases the overall cost of the engine. Weight is not conducive to the improvement of the thrust-to-weight ratio and performance of aeroengines. The electron beam welding method has higher heat input, larger welding deformation, higher post-weld residual stress, and difficulty in welding dissimilar materials, making it difficult to fully meet the needs of aeroengine compressors. The design and manufacturing requirements of the disc have seriously restricted the improvement of the overall performance of the aeroengine. The use of friction welding can meet the welding requirements of the workpiece. Since the friction welding device in the existing technology is completed and manufactured, the position of the tailstock axis and the fixture axis It is impossible to adjust, so for workpieces with special welding requirements, the problem of axis center accuracy deviation often occurs, resulting in the workpiece not meeting the welding requirements.

Contents of the invention

The purpose of the present invention is to provide an axial center adjustment device, a sliding table mechanism and a friction welding machine for a friction welding machine, so as to solve the problems existing in the above-mentioned prior art and enable the axial center position of the tailstock workpiece to be adjusted.

In order to achieve the above objects, the present invention provides the following solutions:

The invention provides an axis adjustment device for a friction welding machine, which includes a plurality of tensioning mechanisms and a plurality of adjustment mechanisms. The tensioning mechanisms are arranged on the side of the slide table away from the tailstock integrated body. The tailstock integrated body The body is used to install the tailstock workpiece, and each tensioning mechanism can drive the tailstock integrated body to move in a direction close to the slide table to limit the axial and radial movement of the tailstock integrated body. The movement of the seat integrated body in the direction away from the sliding table can put the tailstock integrated body in an adjustable state; each of the adjusting mechanisms is used to be fixedly arranged on the sliding table, and a plurality of the adjusting mechanisms surround The tailstock integrated body is distributed. When the tailstock integrated body is in a position-adjustable state, the radial position of the tailstock integrated body can be adjusted and locked through a plurality of the adjustment mechanisms. tight.

Preferably, each of the adjustment mechanisms includes a first driving device and a first adjustment structure, the first driving device is drivingly connected to the first adjustment structure, and a plurality of second adjustments are correspondingly provided on the tailstock integrated body. structure, the first driving device can drive the movement of the first adjustment structure, and the movement of one of the first adjustment structures can drive the movement of one of the second adjustment structures, thereby causing the position of the tailstock integrated body to change. Each of the first adjustment structures and each of the second adjustment structures can cooperate to lock the radial position of the tailstock integrated body.

Preferably, the first adjustment structure is an adjustment wedge fixedly connected to the output end of the first driving device, and the second adjustment structure is a fixed wedge distributed around the tailstock integrated body. The sliding surface of the wedge is in contact with the sliding surface of the corresponding fixed wedge. The sliding surface of each adjusting wedge is at an angle to its own movement direction. The first driving device can drive The adjustment wedge moves, thereby changing the position of the tailstock integrated body.

Preferably, the first driving device includes a servo motor, a screw rod and a screw nut. The screw rod is drivingly connected to the output shaft of the servo motor. The screw rod is threadedly connected to the screw nut. The screw nut and the screw nut are threadedly connected. The adjusting wedge block is fixedly connected, and the servo motor drives the screw rod to rotate, so that the adjusting wedge block moves along the screw rod extension direction together with the screw nut.

Preferably, the first driving device is an oil cylinder.

Preferably, the tensioning mechanism includes a second driving device and a tensioning rod. The tensioning rod can pass through the slide table and the tailstock integration in sequence. The tensioning rod is away from the tailstock integration. One end of the body is drivingly connected to the second driving device, and the other end of the tensioning rod has a first limiting portion. The second driving device can drive the tensioning rod in a direction away from the tailstock integrated body. movement, and the first limiting part cooperates with the sliding table to limit the axial and radial movement of the tailstock integrated body.

Preferably, the second driving device is a tensioning oil cylinder, a tensioning wedge is fixed on the piston rod of the tensioning oil cylinder, a through hole is provided on the tensioning rod, and the tensioning wedge can extend into the through hole, the inner wall of the through hole on the side away from the tailstock integrated body can fit with the sliding surface of the tensioning wedge, and the tensioning wedge is driven by the tensioning cylinder Moving and causing the tensioning wedge to act on the tensioning rod can cause the tensioning rod to move in a direction away from the tailstock integrated body.

The invention also provides a sliding table mechanism, which includes the tailstock integrated body, the sliding table and the friction welding axis adjustment device as mentioned above, and the tailstock integrated body is fixedly arranged on the sliding table.

The present invention also provides a friction welding machine, including the sliding table mechanism as described above.

Compared with the prior art, the present invention achieves the following technical effects:

In the friction welding machine axis adjustment device, the sliding table mechanism and the friction welding machine provided by the present invention, when the tailstock integrated body is in an adjustable position, the radial position of the tailstock integrated body can be adjusted through multiple adjustment mechanisms. Its radial position is locked. After the radial position of the tailstock integrated body is adjusted, the tensioning mechanism can drive the tailstock integrated body to move in the direction close to the slide table to limit the axial movement of the tailstock integrated body, thereby completing the tailstock integrated body. The process of adjusting the axis of the workpiece. Therefore, the friction welding machine axis adjustment device, the sliding table mechanism and the friction welding machine provided by the present invention can adjust the axis position of the tailstock workpiece.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some of the drawings of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without exerting creative efforts.

Figure 1 is a front view of the friction welding machine axis adjustment device provided in Embodiment 1;

Figure 2 is a rear view of the friction welding machine axis adjustment device provided in Embodiment 1;

Figure 3 is a cross-sectional view of the slide mechanism provided in Embodiment 1;

Figure 4 is a partial structural schematic diagram of the adjustment mechanism provided by Embodiment 1;

Figure 5 is a partial structural schematic diagram of the tensioning mechanism provided in Embodiment 1;

In the picture: 100-sliding table mechanism; 1-tailstock integrated body; 11-fixed wedge; 2-adjustment mechanism; 21-first driving device; 211-servo motor; 212-screw rod; 213-screw nut; 22 -Adjusting wedge; 3-Tightening mechanism; 31-Second driving device; 32-Tightening rod; 321-First limit part; 33-Tightening wedge.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

The purpose of the present invention is to provide a friction welding machine axis adjustment device, a sliding table mechanism and a friction welding machine to solve the problems existing in the prior art and to be able to adjust the axis position of the tailstock workpiece.

In order to make the above objects, features and advantages of the present invention more obvious and understandable, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Embodiment 1

This embodiment provides an axis adjustment device for a friction welding machine, as shown in Figure 1. In this embodiment, it includes a plurality of tensioning mechanisms 3 and a plurality of adjustment mechanisms 2. The tensioning mechanisms 3 are arranged on a sliding table. On the side away from the tailstock integrated body 1, the tailstock integrated body 1 is used to install the tailstock workpiece. Each tensioning mechanism 3 can drive the tailstock integrated body 1 to move in the direction close to the slide table to limit the axis of the tailstock integrated body 1. Moving in the direction and radial direction, the tailstock integrated body 1 moves in the direction away from the slide table, so that the tailstock integrated body can be in an adjustable state; each adjustment mechanism 2 is used to be fixedly arranged on the slide table, and multiple adjustment mechanisms 2 surround it The tailstock integrated body 1 is distributed. When the tailstock integrated body 1 is in a position-adjustable state, the radial position of the tailstock integrated body 1 can be adjusted and locked through multiple adjustment mechanisms 2 .

When the tailstock integrated body 1 is in an adjustable position, the radial position of the tailstock integrated body 1 can be adjusted and locked through multiple adjustment mechanisms 2. The radial position of the tailstock integrated body 1 can be adjusted. After completion, the tensioning mechanism 2 can drive the tailstock integrated body 1 to move in a direction close to the slide table to limit the axial movement of the tailstock integrated body 1, thereby completing the axial center adjustment process of the tailstock workpiece.

Each adjusting mechanism 2 includes a first driving device 21 and a first adjusting structure. The first driving device 21 is drivingly connected to the first adjusting structure. A plurality of second adjusting structures are correspondingly provided on the tailstock integrated body 1. The first driving device 21 It can drive the movement of the first adjustment structure, and the movement of a first adjustment structure can drive the movement of a second adjustment structure, thereby causing the position of the tailstock integrated body 1 to change. Through the cooperation of each first adjustment structure and each second adjustment structure, the adjustment structure can be adjusted. The tailstock integrated body is locked at position 1.

The first adjustment structure is an adjustment wedge 22 fixedly connected to the output end of the first driving device 21. The second adjustment structure is a fixed wedge 11 distributed around the tailstock integrated body 1. The sliding surface of each adjustment wedge 22 and its The sliding surface of a corresponding fixed wedge 11 fits together, and the sliding surface of each adjusting wedge 22 is at an angle to its own movement direction. The first driving device 21 can drive the adjusting wedge 22 to move, thereby integrating the tailstock. When the position of the body 1 changes, there are preferably four adjusting mechanisms 2, which are respectively arranged at the lower left, lower right, upper left and upper right of the tailstock integrated body 1. By adjusting the adjusting mechanisms 2 at the lower left and/or lower right, the adjustment mechanism 2 can be adjusted. The tailstock integrated body 1 can be moved in various directions in the radial direction. The first driving device can be electrically connected to the control system, and the feed amount of the first driving device can be controlled through the parameters set by the control system, so that the tailstock integrated body can be adjusted. The position is accurately adjusted with high adjustment accuracy, which can ensure the post-weld accuracy of the workpiece. The adjustment mechanisms 2 located at the upper left and upper right of the tailstock integrated body 1 are used to communicate with the adjustment mechanisms located at the lower left and lower right of the tailstock integrated body 1. 2 cooperate to clamp the tailstock assembly 1.

The first driving device 21 of the adjustment mechanism 2 located at the lower left and lower right sides of the tailstock integrated body 1 includes a servo motor 211, a screw rod 212 and a screw mother 213. The screw rod 212 is drivingly connected to the output shaft of the servo motor 211. The screw rod 212 and The screw nut 213 is threaded, and the screw nut 213 and the adjusting wedge 22 are fixedly connected. The servo motor 211 drives the screw rod 212 to rotate, so that the adjusting wedge 22 can move along the extending direction of the screw rod 212 along with the screw nut 213 .

The first driving device 21 of the adjustment mechanism 2 located at the upper left and upper right sides of the tailstock integrated body 1 may be an oil cylinder.

The tensioning mechanism 3 includes a second driving device 31 and a tensioning rod 32. The tensioning rod 32 can pass through the slide table and the tailstock integrated body 1 in sequence. The end of the tensioning rod 32 away from the tailstock integrated body 1 is in contact with the second driving device. 31 transmission connection, the other end of the tensioning rod 32 has a first limiting part 321, the second driving device 31 can drive the tensioning rod 32 to move in a direction away from the tailstock integrated body 1, and through the first limiting part 321 and the sliding The platform cooperates to limit the axial and radial movement of the tailstock integrated body 1.

The second driving device 31 is a tensioning cylinder. A tensioning wedge 33 is fixed on the piston rod of the tensioning cylinder. A through hole is provided on the tensioning rod 32. The tensioning wedge 33 can extend into the through hole. The inner wall on the side away from the tailstock integrated body 1 can fit with the sliding surface of the tensioning wedge 33. By driving the tensioning wedge 33 to move with the piston rod by the tensioning cylinder, the tensioning wedge 33 can act on the tensioning rod. 32, the tensioning rod 32 can be moved in a direction away from the tailstock integrated body.

Embodiment 2

This embodiment provides a sliding table mechanism 100, which includes a tailstock integrated body, a sliding table and the friction welding machine axis adjustment device in Embodiment 1. The tailstock integrated body is fixedly arranged on the sliding table.

Embodiment 3

This embodiment is a friction welding machine, including the sliding table mechanism 100 in the second embodiment.

Specific examples are used in the present invention to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea; at the same time, for those of ordinary skill in the art, based on this The idea of the invention will be subject to change in the specific implementation and scope of application. In summary, the contents of this description should not be construed as limitations of the present invention.

Claims

An axis adjustment device for a friction welding machine, which is characterized by: including:

A plurality of tensioning mechanisms, the tensioning mechanism is used to be arranged on the side of the slide table away from the tailstock integrated body, the tailstock integrated body is used to install the tailstock workpiece, and each of the tensioning mechanisms can drive the tailstock integrated body. The seat integrated body moves in a direction close to the sliding table to limit the axial and radial movement of the tailstock integrated body, and the tailstock integrated body moves in a direction away from the sliding table to enable the tailstock integrated body to move in a direction away from the sliding table. The body is in an adjustable position;

And a plurality of adjustment mechanisms, each of which is used to be fixedly arranged on the sliding table. A plurality of the adjustment mechanisms are distributed around the tailstock integrated body. When the tailstock integrated body is in an adjustable position, , through a plurality of the adjustment mechanisms, the radial position of the tailstock integrated body can be adjusted and its radial position can be locked.
The friction welding machine axis adjustment device according to claim 1, characterized in that: each of the adjustment mechanisms includes a first drive device and a first adjustment structure, and the first drive device and the first adjustment structure transmit connection, a plurality of second adjustment structures are correspondingly provided on the tailstock integrated body, the first driving device can drive the movement of the first adjustment structure, and the movement of one first adjustment structure can drive one of the second adjustment structures. The structure moves, thereby causing the position of the tailstock integrated body to change, and the radial position of the tailstock integrated body can be locked by the cooperation of each of the first adjustment structures and each of the second adjustment structures.
The friction welding machine axis adjustment device according to claim 2, characterized in that: the first adjustment structure is an adjustment wedge fixedly connected to the output end of the first driving device, and the second adjustment structure is an adjustment wedge surrounding The fixed wedges are distributed in the tailstock integrated body, and the sliding surface of each adjusting wedge fits the sliding surface of one of the corresponding fixed wedges. The sliding surface of each adjusting wedge The first driving device can drive the adjustment wedge to move, thereby changing the position of the tailstock integrated body.
The friction welding machine axis adjustment device according to claim 3, characterized in that: the first driving device includes a servo motor, a screw rod and a screw nut, and the screw rod is drivingly connected to the output shaft of the servo motor, so The screw rod and the screw nut are threadedly connected, and the screw nut and the adjusting wedge are fixedly connected. The servo motor drives the screw rod to rotate so that the adjusting wedge moves along with the screw nut. The movement in the extension direction of the screw rod is described.
The friction welding machine axis adjustment device according to claim 3, characterized in that: the first driving device is an oil cylinder.
The friction welding machine axis adjustment device according to claim 1, wherein the tensioning mechanism includes a second driving device and a tensioning rod, and the tensioning rod can pass through the sliding table and the tensioning rod in sequence. Tailstock integrated body, one end of the tensioning rod away from the tailstock integrated body is drivingly connected to the second driving device, the other end of the tensioning rod has a first limiting part, and the second driving device can The tensioning rod is driven to move in a direction away from the tailstock integrated body, and the first limiting part cooperates with the sliding table to limit the axial and radial movement of the tailstock integrated body.
The friction welding machine axis adjustment device according to claim 6, characterized in that: the second driving device is a tensioning cylinder, a tensioning wedge is fixed on the piston rod of the tensioning cylinder, and the tensioning wedge is fixed on the piston rod of the tensioning cylinder. A through hole is provided on the tightening rod, the tensioning wedge can extend into the through hole, and the inner wall of the through hole away from the tailstock integrated body can be in contact with the sliding surface of the tensioning wedge. Fitting, the tensioning cylinder drives the tensioning wedge to move and the tensioning wedge acts on the tensioning rod, so that the tensioning rod can be moved in a direction away from the tailstock integrated body sports.
A sliding table mechanism, characterized in that: it includes the tailstock integrated body, the sliding table and the friction welding machine axis adjustment device according to any one of claims 1 to 7, and the tailstock integrated body is fixedly arranged on on the slide.
A friction welding machine, characterized by: including the sliding table mechanism described in claim 8.