CN221754987U - A friction stir tool assembly - Google Patents

Abstract

The utility model relates to the technical field of welding of aircraft wall plates, in particular to a friction stir tool assembly, which comprises a fixing piece, wherein a welding shaft is rotationally connected to the inner wall of the fixing piece, the lower end of the welding shaft is provided with a sliding groove, the welding shaft is connected with a stirring needle in a sliding manner through the sliding groove, the stirring needle is provided with insertion holes on the upper side and the lower side, grooves are correspondingly formed in the outer wall of the welding shaft and on the front side and the rear side, a fixing box is arranged on the welding shaft through the grooves, mounting grooves are correspondingly formed in the welding shaft, springs are arranged on the side wall of an inner cavity of the fixing box and on the upper side and the lower side, a first through hole is formed in the welding shaft and corresponds to the springs, the problem that the stirring needle of the traditional friction tool assembly is fixedly arranged on the shaft shoulder of the welding shaft and is very inconvenient to replace through the arrangement of a inserted rod and the like is solved, the quick replacement of the stirring needle is realized, and the replacement efficiency of the stirring needle is also improved.

Description

A friction stir tool assembly

Technical Field

The utility model relates to the technical field of aircraft wall plate welding, in particular to a friction stirring tool assembly.

Background Art

Friction stir welding tool assembly for aircraft T-type wall panel structure welding. The friction stir welding method refers to the use of the heat generated by the friction between the high-speed rotating welding tool and the workpiece to partially melt the welded material. When the welding tool moves forward along the welding interface, the plasticized material flows from the front of the welding tool to the rear under the action of the rotating friction of the welding tool, and forms a dense solid phase weld under the extrusion of the welding tool.

The stirring needle is severely worn during the process of drilling and stirring the welding base material, and needs to be replaced after a period of use. The stirring needle of the existing friction tool assembly is fixedly installed on the shoulder of the welding shaft, which is very inconvenient to replace and has low replacement efficiency. Therefore, a stirring friction tool assembly is needed to improve the above problems.

Utility Model Content

The utility model aims to provide a friction stir tool assembly to solve the problems raised in the above background technology.

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

A stirring friction tool assembly comprises a fixing part, a welding shaft is rotatably connected on the inner wall of the fixing part, a sliding groove is provided at the lower end of the welding shaft, a stirring needle is slidably connected to the welding shaft through the sliding groove, the stirring needle is provided with insertion holes at the upper and lower sides, the outer wall of the welding shaft is provided with grooves at the front and rear sides correspondingly, a fixing box is installed on the welding shaft through the groove, a mounting groove is provided on the welding shaft corresponding to the groove, a spring is installed on the inner cavity side wall of the fixing box at the upper and lower sides, a first through hole is provided on the welding shaft corresponding to the spring, the welding shaft is slidably connected with an insertion rod through the first through hole, the two insertion rods are connected by a connecting plate, and a handle is installed on the side wall of the connecting plate.

As a preferred solution of the utility model, the outer wall of the insertion rod is connected to the other end of the spring through a connecting hole, and the insertion rod is located inside the spring.

As a preferred solution of the utility model, a second through hole is opened on the fixing box and corresponds to the spring, and one end of the insertion rod passes through the second through hole and is slidably connected to the fixing box.

As a preferred solution of the utility model, an external connecting member is installed on the upper end of the fixing member, and a transmission shaft is rotatably connected to the inner wall of the external connecting member.

As a preferred solution of the utility model, the lower end of the transmission shaft is fixedly connected to the upper end of the welding shaft, and the stirring pin is slidably connected to the insertion rod through a socket.

As a preferred solution of the utility model, the insertion rods on the front and rear sides are on the same axis, and the insertion rods and the stirring needle are arranged perpendicular to each other.

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

In the utility model, by arranging an insertion rod and the like in a stirring and friction tool assembly, the handles on the front and rear sides are pulled to make the insertion rods on the front and rear sides slide away from the insertion hole, and the insertion rods lose control of the stirring needle. The stirring needle is removed and replaced with a new stirring needle, so that the stirring needle enters the slide groove, and the handle is released. Under the resetting action of the spring, the insertion rod is inserted into the insertion hole. By arranging the insertion rod and the like, the problem that the stirring needle of the existing friction tool assembly is fixedly mounted on the shoulder of the welding shaft and is very inconvenient to replace is solved, and the rapid replacement of the stirring needle is realized, and the replacement efficiency of the stirring needle is also improved.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the three-dimensional structure of the utility model;

Fig. 2 is a schematic diagram of the cutaway structure of the utility model;

Fig. 3 is a schematic diagram of the structure of A of the present utility model;

FIG. 4 is a schematic diagram of a partial structure of the utility model.

In the figure: 1. fixing part; 2. welding shaft; 3. slide groove; 4. stirring needle; 5. socket; 6. groove; 7. fixing box; 8. mounting groove; 9. spring; 10. first through hole; 11. plug rod; 12. connecting plate; 13. handle; 14. second through hole; 15. external connecting part; 16. transmission shaft.

DETAILED DESCRIPTION

The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant drawings. The drawings provide several embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and/or" used herein includes any and all combinations of one or more related listed items.

Embodiment: Please refer to a stir friction tool assembly shown in Figures 1-4, including a fixing member 1, a welding shaft 2 is rotatably connected to the inner wall of the fixing member 1, a slide groove 3 is provided at the lower end of the welding shaft 2, a stirring needle 4 is slidably connected to the welding shaft 2 through the slide groove 3, a plug hole 5 is provided on the stirring needle 4 and located at the upper and lower sides, a groove 6 is provided on the outer wall of the welding shaft 2 and located at the front and rear sides respectively, a fixing box 7 is installed on the welding shaft 2 through the groove 6, a mounting groove 8 is provided on the welding shaft 2 and corresponding to the groove 6, a spring 9 is installed on the inner cavity side wall of the fixing box 7 and located at the upper and lower sides, a first through hole 10 is provided on the welding shaft 2 and corresponding to the spring 9, and the welding shaft 2 slides through the first through hole 10 The two plug rods 11 are dynamically connected, and the two plug rods 11 are connected by a connecting plate 12. A handle 13 is installed on the side wall of the connecting plate 12. The handles 13 on the front and rear sides are pulled to make the plug rods 11 on the front and rear sides slide away from the socket 5, and the plug rod 11 loses control of the stirring needle 4. The stirring needle 4 is removed and replaced with a new stirring needle 4, so that the stirring needle 4 enters the slide groove 3, and the handle 13 is released. Under the resetting action of the spring 9, the plug rod 11 is inserted into the socket 5. By setting the plug rod 11, the problem that the stirring needle 4 of the existing friction tool assembly is fixedly installed on the shoulder of the welding shaft 2 and is very inconvenient to replace is solved, the stirring needle 4 can be quickly replaced, and the replacement efficiency of the stirring needle 4 is also improved.

In this embodiment, as shown in FIG. 3 , the outer wall of the plug rod 11 is connected to the other end of the spring 9 through a connecting hole, and the plug rod 11 is located inside the spring 9; a second through hole 14 is provided on the fixing box 7 and corresponds to the spring 9, and one end of the plug rod 11 passes through the second through hole 14 and is slidably connected to the fixing box 7; an external connecting member 15 is installed on the upper end of the fixing member 1, and a transmission shaft 16 is rotatably connected to the inner wall of the external connecting member 15; the outer wall of the plug rod 11 is connected to the other end of the spring 9 through the connecting hole, and when the plug rod 11 moves outward, the spring 9 can be pulled synchronously, so that the spring 9 is deformed, and the spring 9 has a reaction force for resetting, which pushes the plug rod 11 to reset, thereby realizing the rapid replacement of the stirring needle 4;

In this embodiment, as shown in FIG. 3 , the lower end of the transmission shaft 16 is fixedly connected to the upper end of the welding shaft 2, and the stirring pin 4 is slidably connected to the plug rod 11 through the plug hole 5; the front and rear plug rods 11 are on the same axis, and the plug rod 11 and the stirring pin 4 are arranged perpendicular to each other; the front and rear plug rods 11 are on the same axis, so that the front and rear plug rods 11 can enter the plug hole 5, and the front and rear plug rods 11 can contact each other, so as to achieve stable installation of the stirring pin 4;

Working principle: When the friction stirring tool assembly is in use, the staff pulls the handles 13 on the front and rear sides, and the handles 13 drive the connecting plate 12 to move, and the connecting plate 12 moves with the plug rod 11, and the plug rod 11 moves with one end of the spring 9. One end of the plug rod 11 gradually moves away from the insertion hole 5 under the action of pulling, and continues to pull and make the front and rear plug rods 11 completely leave the insertion hole 5, and the front and rear plug rods 11 completely lose control of the stirring needle 4. At this time, the stirring needle 4 is removed, and then replaced with a new stirring needle 4, and the new stirring needle 4 is driven into the chute 3, and the stirring The socket 5 on the needle 4 is aligned with the first through hole 10 so that the socket 5 and the first through holes 10 on the front and rear sides are on the same axis. After alignment, the staff releases the handle 13. When the spring 9 is not restricted by external force, the spring 9 realizes self-reset. One end of the spring 9 drives the insertion rod 11 to be inserted into the socket 5 of the stirring needle 4. By providing the insertion rod 11, the problem that the stirring needle 4 of the existing friction tool assembly is fixedly mounted on the shoulder of the welding shaft 2 and is very inconvenient to replace is solved, the stirring needle 4 can be quickly replaced, and the replacement efficiency of the stirring needle 4 is also improved.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. Friction stir tool assembly, including mounting (1), its characterized in that: the utility model discloses a welding device for a handle, including fixed part (1), welding shaft (2), spring (9) are installed to welding shaft (2), connecting plate (12) are installed in fixed box (7), connecting plate (12) are installed in welding shaft (2) and corresponding mounting groove (8) of seting up with recess (6), spring (9) are installed on the inner chamber lateral wall of fixed box (7) and are located upper and lower both sides, connecting plate (12) are installed in welding shaft (2) and corresponding seting up with spring (9) through jack (5) on upper and lower both sides, welding shaft (2) are connected with inserted bar (11) through first through-hole (10) sliding connection, two inserted bar (11) are connected through connecting plate (12).

2. A friction stir tool assembly according to claim 1 wherein: the outer wall of the inserted link (11) is connected with the other end of the spring (9) through a connecting hole, and the inserted link (11) is positioned in the spring (9).

3. A friction stir tool assembly according to claim 1 wherein: the fixed box (7) is provided with a second through hole (14) corresponding to the spring (9), and one end of the inserted link (11) penetrates through the second through hole (14) and is in sliding connection with the fixed box (7).

4. A friction stir tool assembly according to claim 1 wherein: an external connecting piece (15) is arranged at the upper end of the fixing piece (1), and a transmission shaft (16) is rotatably connected to the inner wall of the external connecting piece (15).

5. A friction stir tool assembly according to claim 4 wherein: the lower end of the transmission shaft (16) is fixedly connected with the upper end of the welding shaft (2), and the stirring pin (4) is in sliding connection with the inserted link (11) through the insertion hole (5).

6. A friction stir tool assembly according to claim 1 wherein: the inserting rods (11) are positioned on the same axis at the front side and the rear side, and the inserting rods (11) and the stirring pin (4) are mutually perpendicular.