CN220388234U - High efficiency friction stir welding head dismantles structure - Google Patents

Abstract

The utility model discloses a high-efficiency friction stir welding head dismounting structure, which relates to the technical field of friction stir welding and comprises an inverted L-shaped plate fixed on a friction stir welding frame, wherein the inverted L-shaped plate consists of an integrally formed transverse plate and a vertical plate positioned on the lower surface of the transverse plate, the vertical plate and the friction stir welding frame are fixed through screws, a groove is formed in the transverse plate, upright posts positioned on the side of the vertical plate are fixed on two sides of the lower surface of the transverse plate, a fixed plate is fixed on one end of each of the two upright posts, which is far away from the transverse plate, and a dismounting piece for driving the stirring head to move downwards to dismount the stirring head is arranged on the fixed plate.

Description

High efficiency friction stir welding head dismantles structure

Technical Field

The utility model relates to the technical field of friction stir welding, in particular to a high-efficiency friction stir welding head dismounting structure.

Background

Friction stir welding is a solid phase joining method developed in 1991 by the TWI of the British welding institute, and the technique can effectively avoid the defects of burning loss, evaporation, air holes, hot cracks and the like of alloy elements compared with the traditional fusion welding, and has obvious advantages in the welding of magnesium alloy.

Friction stir welding refers to the process of using heat generated by friction between a welding tool rotating at a high speed and a workpiece to locally melt a welded material, and when the welding tool moves forwards along a welding interface, the plasticized material flows from the front part to the rear part of the welding tool under the action of the rotating friction force of the welding tool, and a compact solid-phase welding seam is formed under the extrusion of the welding tool.

In the welding process of the friction stir welding machine tool, the stirring head can be worn, and the replacement of the stirring head is an indispensable process. As shown in fig. 5, since the interface between the stirring head 20 and the main shaft 21 of the friction stir welding machine tool is in interference fit, the stirring head 20 is not easy to withdraw from the interface in the replacement process, and the stirring head 20 is knocked by an auxiliary tool such as a rubber hammer and a pipe clamp to be slowly taken out in the withdrawal process, the stirring head 20 is knocked for a long time, so that the interface and the main shaft 21 of the friction stir welding machine tool are damaged, and the service life of the friction stir welding machine tool is reduced.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a high-efficiency friction stir welding head dismounting structure, which solves the problems that when the friction stir welding head is dismounted, auxiliary tools such as a rubber hammer, a pipe clamp and the like are required to be used for knocking the stirring head 20 to be slowly taken out, and the plugging port and the main shaft 21 of the friction stir welding machine tool can be damaged due to long-time knocking of the stirring head 20, so that the service life of the friction stir welding machine tool is reduced.

(2) Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high efficiency friction stir welding head dismantles structure, is including fixing the L template that falls in the friction stir welding frame, fall the L template and constitute by integrated into one piece's transverse plate and the riser that is located transverse plate lower surface, riser and friction stir welding machine frame pass through the screw fixation, set up flutedly on the transverse plate, transverse plate lower surface both sides all are fixed with the stand that is located the riser side, two the one end that transverse plate was kept away from to the stand is fixed with the fixed plate, be equipped with on the fixed plate and drive the stirring head and move down in order to dismantle the dismantlement piece of stirring head.

Through above-mentioned technical scheme, play the supporting role through falling L template to dismantling the piece, the stirring head wears to establish horizontal board through the recess, drives the stirring head through the effect of dismantling the piece and moves down to in order to assist the dismantlement stirring head, and reduce the damage to stirring head and friction stir welding machine bed main shaft, the influence that traditional dismantlement mode brought when reducing the stirring head dismantlement.

Preferably, the dismounting piece comprises a threaded hole formed in the middle of the fixing plate, an axial screw rod is arranged in the threaded hole in a penetrating mode through threads, a handle is fixed at the bottom end of the fixing plate in a penetrating mode through the screw rod, a cylindrical block is connected with the top end of the fixing plate in a rotating mode through the screw rod in a penetrating mode, two axial connecting rods are integrally formed at one end, deviating from the screw rod, of the cylindrical block, and a connecting piece which plays a fixing role on the stirring head is fixed at one end, away from the screw rod, of the connecting rods.

Through above-mentioned technical scheme, screw rod and fixed plate pass through screw hole threaded connection, and the screw rod is removed at the rotation in-process, and the removal of screw rod can drive the cylindricality piece that rotates to be connected with the screw rod and remove in vertical direction, and the removal of cylindricality piece can drive two connecting rods with cylindricality piece integrated into one piece and remove, and the removal of connecting rod can drive the stirring head that is fixed with the connecting piece and remove to be convenient for pull out the stirring head.

Preferably, the connecting piece includes and keeps away from cylindricality piece one end fixed connection's toper piece with the connecting rod, each the one end that the connecting rod was kept away from to the toper piece is equipped with the arc splint, two the arc splint external fixation has the oval shaped plate that the level set up, oval shaped plate outer wall is fixed with two relative installation pieces, be equipped with the control that drives two arc splint and stirring head clamp and be connected on the installation piece.

Through above-mentioned technical scheme, through the effect of control so that drive two relative arc splint that set up and be close to each other, and then make arc splint and stirring head clamp and be connected to be convenient for drive the stirring head and move down.

Preferably, the inner wall of the arc-shaped clamping plate is provided with an anti-slip strip, the anti-slip strip is arranged on the inner wall of the arc-shaped clamping plate in an array mode, and the anti-slip strip and the arc-shaped clamping plate are integrally formed.

Through above-mentioned technical scheme, through the cooperation of antislip strip and arc splint to arc splint and stirring head clamp connection of being convenient for.

Preferably, the control piece is including seting up the cylindricality hole on the installation piece, set up on the oval shaped plate be located cylindricality hole side and with the cylindricality hole size adaptation circular hole, wear to be equipped with the screw in every two adjacent cylindricality holes, the screw wears to establish out oval shaped plate and installation piece's part through circular hole and cylindricality hole and is equipped with the nut through the thread bush. Through above-mentioned technical scheme, when the stirring head inserts between two arc splint, the staff passes through cylindricality hole and circular hole with the screw and wears to establish installation piece and oval shaped plate, and the screw comprises spiral shell head and double-screw bolt, and the spiral shell head of screw is contradicted with the installation piece, and the part that the installation piece was worn to establish to the double-screw bolt part of screw is equipped with the nut through the thread bush, through the effect of nut and screw to two arc splint and stirring head clamp connection of being convenient for.

Preferably, a cushion block is arranged between the nut and the mounting block, a connecting hole is formed in the cushion block, and the cushion block is sleeved outside the screw through the connecting hole and is connected with the screw in a sliding manner.

Through above-mentioned technical scheme, the effect through the cushion has reduced the nut pine and has taken off and lead to the unable possibility of pressing from both sides tight stirring head of arc splint.

Preferably, guide plates are fixed on two sides of the cylindrical block, guide holes are formed in the guide plates, and the guide plates are sleeved outside the adjacent upright posts through the guide holes and are connected with the upright posts in a sliding mode.

Through above-mentioned technical scheme, through the cooperation of deflector, guiding hole and stand to the cylindricality piece play the guide effect in the removal of vertical direction, improved the stability that the cylindricality piece removed.

(3) Advantageous effects

The utility model provides a high-efficiency friction stir welding head dismounting structure. The beneficial effects are as follows:

1) This high efficiency friction stir welding head dismantles structure plays the supporting role through falling L template to dismantlement piece, and the stirring head wears to establish the transverse plate through the recess, drives the stirring head through the effect of dismantlement piece and moves down to the auxiliary stirring head of dismantling, and reduce the damage to stirring head and friction stir welding machine bed main shaft, the influence that traditional dismantlement mode brought when reducing the stirring head dismantlement;

2) This high efficiency friction stir welding head dismantles structure, insert between two arc splint when the stirring head, the staff passes through cylindricality hole and circular hole with the screw and wears to establish installation piece and oval shaped plate, the screw comprises spiral shell head and double-screw bolt, the spiral shell head of screw is contradicted with the installation piece, the part that the installation piece was worn to establish by the double-screw bolt part of screw is equipped with the nut through the thread bush, through the effect of nut and screw, so that two arc splint press from both sides tight with the stirring head to be connected, oval shaped plate, toper piece and connecting rod are along with the cooperation of screw and nut and inwards shrink deformation, so that stirring head and arc splint fixed connection, and then be convenient for drive the dismantlement of stirring head.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a structure of a groove embodying the present utility model;

FIG. 3 is a schematic diagram of a structure embodying the present utility model of a columnar block;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present utility model;

fig. 5 is a schematic structural view of a stirring head for embodying the utility model.

In the figure: 1. an inverted L-shaped plate; 2. a transverse plate; 3. a vertical plate; 4. a groove; 5. a column; 6. a fixing plate; 7. a threaded hole; 8. a screw; 9. a handle; 10. a cylindrical block; 11. a connecting rod; 12. a conical block; 13. an arc clamping plate; 14. an elliptical plate; 15. a mounting block; 16. an anti-slip strip; 17. a screw; 18. a nut; 19. a cushion block; 20. a stirring head; 21. a main shaft of a friction stir welding machine tool.

Description of the embodiments

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. 1-5, the present utility model provides a technical solution: the utility model provides a high efficiency friction stir welding head dismantlement structure, including fixing the L template 1 of falling in friction stir welding frame, fall L template 1 by integrated into one piece's transverse plate 2 and be located the riser 3 of transverse plate 2 lower surface and constitute, riser 3 passes through the screw fixation with friction stir welding machine frame, in order to fix a position stirring head 20, set up fluted 4 on the transverse plate 2, stirring head 20 wears to establish transverse plate 2 through fluted 4, transverse plate 2 lower surface both sides all are fixed with the stand 5 that are located riser 3 sides, two stand 5 keep away from transverse plate 2's one end and are fixed with fixed plate 6, be equipped with the dismantlement piece that drives stirring head 20 and move down in order to dismantle stirring head 20 on the fixed plate 6.

As shown in fig. 1, the dismounting member is supported by the inverted L-shaped plate 1, and the stirring head 20 is driven to move downwards by the dismounting member, so that the stirring head 20 is dismounted in an auxiliary manner, and damage to the stirring head 20 and a main shaft of the friction stir welding machine tool is reduced. As fig. 1 and 2, the dismantlement piece is including seting up at the screw hole 7 of fixed plate 6 intermediate position, wears to be equipped with axial screw rod 8 through the screw thread in the screw hole 7, and the bottom mounting of fixed plate 6 is worn to establish by screw rod 8 has handle 9, and the top rotation of fixed plate 6 is worn to establish by screw rod 8 is connected with cylindricality piece 10, and cylindricality piece 10 deviates from the one end integrated into one piece of screw rod 8 and has two axial connecting rods 11, and the one end that two connecting rods 11 kept away from screw rod 8 is fixed with the connecting piece that plays the fixed action to stirring head 20.

As shown in fig. 1 and 2, the screw 8 is in threaded connection with the fixing plate 6 through the threaded hole 7, the screw 8 moves in the rotation process, the movement of the screw 8 drives the cylindrical block 10 rotationally connected with the screw 8 to move in the vertical direction, the movement of the cylindrical block 10 drives the two connecting rods 11 integrally formed with the cylindrical block 10 to move, and the movement of the connecting rods 11 drives the stirring head 20 fixed with the connecting piece to move so as to pull out the stirring head 20.

As shown in fig. 3 and 4, the connecting piece includes the toper piece 12 of the one end fixed connection of cylindricality piece 10 is kept away from with connecting rod 11, and each toper piece 12 is kept away from the one end of connecting rod 11 and is equipped with arc splint 13, and two arc splint 13 external fixation have oval shaped plate 14 that the level set up, and oval shaped plate 14 outer wall is fixed with two relative installation pieces 15, is equipped with the control that drives two arc splint 13 and stirring head 20 clamp connection on the installation piece 15, is close to each other in order to drive two relative setting arc splint 13 through the effect of control, and then makes arc splint 13 and stirring head 20 clamp connection to be convenient for drive stirring head 20 and move down. As shown in fig. 4, in order to improve the connection stability of the arc clamping plate 13 and the stirring head 20, the inner wall of the arc clamping plate 13 is provided with anti-slip strips 16, the anti-slip strips 16 are arranged on the inner wall of the arc clamping plate 13 in an array manner, the anti-slip strips 16 and the arc clamping plate 13 are integrally formed, and the arc clamping plate 13 and the stirring head 20 are clamped and connected conveniently through the cooperation of the anti-slip strips 16 and the arc clamping plate 13.

As shown in fig. 4, the control member comprises a cylindrical hole formed on the mounting block 15, a circular hole which is positioned beside the cylindrical hole and is matched with the size of the cylindrical hole is formed on the elliptical plate 14, a screw 17 is arranged in each two adjacent cylindrical holes in a penetrating manner, the screw 17 is provided with a nut 18 in a penetrating manner through the circular hole and the cylindrical hole, and a part of the elliptical plate 14 and the mounting block 15 is provided with a nut 18 in a penetrating manner through the circular hole, when the stirring head 20 is inserted between the two arc clamping plates 13, a worker sequentially passes through the cylindrical hole and the circular hole to penetrate the mounting block 15 and the elliptical plate 14, the screw 17 consists of a screw head and a stud, the screw head part of the screw 17 is abutted against the mounting block 15, and the part of the stud part of the screw 17, which penetrates the mounting block 15, is provided with the nut 18 through the threaded sleeve by the nut 18 and the screw 17, so that the two arc clamping plates 13 are in clamping connection with the stirring head 20.

As shown in fig. 3 and 4, the elliptical plate 14, the tapered block 12 and the connecting rod 11 are contracted and deformed inwards by the cooperation of the screw 17 and the nut 18, so that the stirring head 20 is fixedly connected with the arc clamping plate 13.

As shown in fig. 4, a cushion block 19 is arranged between the nut 18 and the mounting block 15, a connecting hole is formed in the cushion block 19, the cushion block 19 is sleeved outside the screw 17 through the connecting hole and is in sliding connection with the screw 17, and the possibility that the arc clamping plate 13 cannot clamp the stirring head 20 due to loosening of the nut 18 is reduced through the action of the cushion block 19.

As shown in fig. 1, guide plates are fixed on two sides of the cylindrical block 10, guide holes are formed in the guide plates, the guide plates are sleeved outside the adjacent upright posts 5 through the guide holes and are connected with the upright posts 5 in a sliding manner, the cylindrical block 10 moves in the vertical direction through the cooperation of the guide plates, the guide holes and the upright posts 5, and the moving stability of the cylindrical block 10 is improved.

When the friction stir welding machine is used, an inverted L-shaped plate 1 and a friction stir welding machine frame are fixed by a plurality of screws, a main shaft of the friction stir welding machine enters a transverse plate 2 through a groove 4, a stirring head 20 enters between two arc clamping plates 13, a mounting block 15 and an elliptical plate 14 are penetrated by a screw 17 through a cylindrical hole and a circular hole in sequence by the staff, the screw 17 consists of a screw head and a stud, the screw head of the screw 17 is abutted against the mounting block 15, a cushion block 19 is sleeved on the part of the stud part of the screw 17 penetrating out of the mounting block 15, a nut 18 is sleeved on the screw head, the cushion block 19 is abutted against the adjacent mounting block 15, and the nuts 18 are abutted against the cushion block 19 under the action of the nuts 18 and the screws 17 so that the two arc clamping plates 13 are in clamping connection with the stirring head 20; after that, the staff grabs the handle 9 and manually rotates the handle 9, the rotation of the handle 9 drives the screw rod 8 fixedly connected with the handle 9 to rotate, the screw rod 8 is connected with the fixing plate 6 through the threaded hole 7, the screw rod 8 moves downwards in the rotation process, the downward movement of the screw rod 8 drives the cylindrical block 10 rotationally connected with the screw rod 8 to move downwards, the downward movement of the cylindrical block 10 drives the connecting rod 11 integrally formed with the cylindrical block 10 to move downwards, the downward movement of the connecting rod 11 drives the arc clamping plate 13 integrally formed with the connecting rod 11 and the stirring head 20 fixedly connected with the arc clamping plate 13 to facilitate the disassembly of the stirring head 20, and meanwhile, the use process of the high-efficiency stirring friction welding head disassembly structure is not described in detail in the specification, and belongs to the prior art known to the person skilled in the art.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. 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 (7)

1. A high efficiency friction stir welding head dismantles structure, its characterized in that: including fixing the reverse L template (1) in friction stir welding frame, reverse L template (1) comprises integrated into one piece's transverse plate (2) and riser (3) that are located transverse plate (2) lower surface, riser (3) pass through screw fixation with friction stir welding machine frame, set up fluted (4) on transverse plate (2), transverse plate (2) lower surface both sides all are fixed with stand (5) that are located riser (3) side, two the one end that transverse plate (2) was kept away from to stand (5) is fixed with fixed plate (6), be equipped with on fixed plate (6) and drive the dismantlement spare of stirring head (20) down moving in order to dismantle stirring head (20).

2. The high efficiency friction stir welding joint disassembly structure of claim 1, wherein: the disassembly piece is including seting up screw hole (7) at fixed plate (6) intermediate position, wear to be equipped with axial screw rod (8) through the screw thread in screw hole (7), the bottom mounting of fixed plate (6) is worn to establish by screw rod (8) has handle (9), the top rotation of fixed plate (6) is worn to establish by screw rod (8) is connected with cylindricality piece (10), the one end integrated into one piece that cylindricality piece (10) deviate from screw rod (8) has two axial connecting rod (11), two the one end that screw rod (8) were kept away from to connecting rod (11) is fixed with the connecting piece that plays the fixed action to stirring head (20).

3. The high efficiency friction stir welding joint disassembly structure of claim 2, wherein: the connecting piece includes and keeps away from cylindricality piece (10) one end fixed connection's toper piece (12) with connecting rod (11), each toper piece (12) is kept away from one end of connecting rod (11) and is equipped with arc splint (13), two arc splint (13) external fixation has oval shaped plate (14) that the level set up, oval shaped plate (14) outer wall is fixed with two relative installation piece (15), be equipped with on installation piece (15) and drive two arc splint (13) and stirring head (20) clamp connection's control.

4. A high efficiency friction stir welding head disassembly structure according to claim 3 wherein: the anti-slip strip (16) is arranged on the inner wall of the arc-shaped clamping plate (13), the anti-slip strips (16) are arranged on the inner wall of the arc-shaped clamping plate (13) in an array mode, and the anti-slip strips (16) and the arc-shaped clamping plate (13) are integrally formed.

5. A high efficiency friction stir welding head disassembly structure according to claim 3 wherein: the control piece comprises a cylindrical hole formed in the mounting block (15), a circular hole which is located beside the cylindrical hole and is matched with the size of the cylindrical hole is formed in the elliptical plate (14), screws (17) are arranged in every two adjacent cylindrical holes in a penetrating mode, and nuts (18) are arranged on the portions, penetrating out of the elliptical plate (14) and the mounting block (15), of the screws (17) through the circular hole and the cylindrical hole through the threaded sleeves.

6. The high efficiency friction stir welding joint disassembly structure of claim 5, wherein: a cushion block (19) is arranged between the nut (18) and the mounting block (15), a connecting hole is formed in the cushion block (19), and the cushion block (19) is sleeved outside the screw (17) through the connecting hole and is connected with the screw (17) in a sliding mode.

7. The high efficiency friction stir welding joint disassembly structure of claim 2, wherein: the guide plates are fixed on two sides of the cylindrical block (10), guide holes are formed in the guide plates, and the guide plates are sleeved outside the adjacent upright posts (5) through the guide holes and are connected with the upright posts (5) in a sliding mode.