CN108480837B - Friction stir welding processing equipment with quick locking mechanism of soldered connection - Google Patents
Friction stir welding processing equipment with quick locking mechanism of soldered connection Download PDFInfo
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- CN108480837B CN108480837B CN201810630965.7A CN201810630965A CN108480837B CN 108480837 B CN108480837 B CN 108480837B CN 201810630965 A CN201810630965 A CN 201810630965A CN 108480837 B CN108480837 B CN 108480837B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
- B23K20/1255—Tools therefor, e.g. characterised by the shape of the probe
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Abstract
The invention relates to the technical field of friction stir welding, and discloses friction stir welding processing equipment with a welding head quick locking mechanism, which comprises a welding base, wherein a support with a top side surface connected with a first locking mechanism and a second locking mechanism in a sliding friction mode is arranged on the welding base, a third rack is arranged on the rear side of the welding base, a main welding arm is arranged on the third rack, a first servo motor is arranged in a cavity of the main welding arm, a rotating shaft of the first servo motor is connected with a rotating arm, the rotating arm is connected with a third cylinder, the third cylinder is connected with a bearing seat, the bearing seat is connected with a fourth cylinder, the fourth cylinder is connected with a stirring motor, and an output shaft of the stirring motor is fixedly connected with the center of the top end face of a stirring head which is arranged in a circular truncated cone shape and is provided with a stirring needle at the. The invention solves the problem that the existing friction stir welding processing equipment can not realize the quick locking of a welding joint and the high-efficiency welding of workpieces at the same time.
Description
Technical Field
The invention relates to the technical field of friction stir welding, in particular to friction stir welding processing equipment with a welding head quick locking mechanism.
Background
Patent document CN107695512A discloses a friction stir welding device for welding sheet materials, which includes a pressure feeding device for conveying sheet materials to move horizontally, a welding head, a fixing device for fixing the welding head, and a welding protection device, wherein the pressure feeding device includes a first pressure feeding mechanism and a second pressure feeding mechanism for synchronously conveying two sheet materials to be welded, the first pressure feeding mechanism includes a first pressure feeding component for supporting sheet materials and a second pressure feeding component for pressing sheet materials, the second pressure feeding mechanism includes a third pressure feeding component for supporting sheet materials and a fourth pressure feeding component for pressing sheet materials, the fixing device includes a conveying device and a lifting device, and the welding protection device includes a light heating device and a driving device.
The invention can continuously weld a plurality of groups of plates to be welded in batch, has higher automation level, accelerates the production process and improves the production efficiency.
However, the friction stir welding processing equipment has the technical problems that the quick locking of the welding joint and the efficient welding of the workpiece cannot be realized simultaneously, and the welding of the workpiece cannot be realized simultaneously and the locking efficiency of the locking mechanism cannot be improved, the surface rust of the workpiece to be welded cannot be effectively removed, the overflow of a plastic state material cannot be effectively prevented, and the rust of the joint of the workpiece to be welded cannot be effectively removed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides friction stir welding processing equipment with a welding joint quick locking mechanism, which has the advantages of quickly locking a welding joint, efficiently welding a workpiece, improving the locking efficiency of the locking mechanism, effectively removing rust on the surface of the workpiece to be welded, effectively preventing a plastic state material from overflowing, effectively removing rust on the joint of the workpiece to be welded and the like, and solves the technical problem that the conventional friction stir welding processing equipment cannot simultaneously realize quick locking of the welding joint and efficient welding of the workpiece.
(II) technical scheme
In order to realize the purposes of efficiently welding a workpiece while quickly locking a welding joint, improving the locking efficiency of a locking mechanism, effectively removing rust on the surface of the workpiece to be welded, effectively preventing a plastic state material from overflowing and effectively removing the rust on the joint of the workpiece to be welded, the invention provides the following technical scheme:
a friction stir welding processing device with a welding head quick locking mechanism comprises a welding base, wherein a support which is arranged in a rectangular shape is arranged between the front side and the front side center of the rear side center on the top surface of the welding base, the left side and the right side of the top surface center of the welding base are respectively connected with a first locking mechanism and a second locking mechanism which are symmetrical with each other in a sliding friction mode, and the bottom surface of the support is fixedly connected with the front side and the front side center of the rear side center on the top surface of the welding base;
the first locking mechanism is characterized in that a first supporting groove with a rectangular ring-shaped cross section and openings at the top side and the right end is arranged at the top side of the first locking mechanism, a first workpiece to be welded with a rectangular cross section is arranged in a cavity of the first supporting groove, the front side, the bottom side, the back side and the left end of the first workpiece to be welded are in friction connection with the space between the center of the front side and the bottom end, the space between the center of the bottom end and the center of the back side and the space between the center of the left end and the bottom end in the cavity of the first supporting groove respectively, and the right end of the first workpiece to be welded penetrates through the opening at the right end of the first supporting groove and extends;
a first accommodating cavity with an axial section and a radial section both arranged in a rectangular ring shape is formed between the right lower part of the top side and the bottom side of the first locking mechanism, a first magnet which is arranged in a rectangular body shape and is provided with a spiral first conductive winding around the outer side wall of the first accommodating cavity is accommodated in the cavity of the first accommodating cavity, and the current direction of the first conductive winding is clockwise;
the center of the left end face of the first locking mechanism is fixedly connected with the free end face of a first piston rod of a first air cylinder arranged at the center of the right side face of the first frame, and the bottom end face of the first frame arranged in a rectangular shape is fixedly connected with the right front of the center of the left end on the surface of the top side of the welding base;
a second supporting groove with a rectangular ring-shaped cross section and openings at the top side and the left end is formed in the top side of the second locking mechanism, a second workpiece to be welded with a rectangular cross section is installed in a cavity of the second supporting groove, the front side, the bottom side, the back side and the right end of the second workpiece to be welded are in mutual friction connection with the center of the front side and the bottom end, the center of the bottom side and the bottom end and the center of the right end and the bottom end in the cavity of the second supporting groove respectively, and the left end face of the second workpiece to be welded penetrates through the opening at the left end of the second supporting groove, extends to the left side outside the cavity and is in mutual friction connection with the right end face of the first workpiece to be welded;
a second accommodating cavity with an axial section and a radial section both arranged in a rectangular ring shape is formed between the right lower side and the bottom side of the top side of the second locking mechanism, a second magnet which is arranged in a rectangular body shape and is provided with a spiral second conductive winding on the outer side wall in a surrounding manner is accommodated in the cavity of the second accommodating cavity, the current direction of the second conductive winding is clockwise, and the right end surface of the second locking mechanism and the left end surface of the first locking mechanism are mutually locked through magnetic field attraction;
the center of the right end face of the second locking mechanism is fixedly connected with the free end face of a second piston rod of a second air cylinder arranged at the center of the left side face of the second rack, and the bottom end face of the second rack which is arranged in a rectangular shape and mutually symmetrical with the first rack is fixedly connected with the right front of the center of the right end on the top side surface of the welding base;
a third rack which is arranged in a cylindrical shape is installed in the center of the rear side of the surface of the top side of the welding base, and the center of the bottom end face and the center of the top end face of the third rack are respectively and fixedly connected with the center of the rear side of the surface of the top side of the welding base and the bottom face of the main welding arm of which the interior is provided with a cavity and the center of the top end is provided with a through hole;
a first servo motor is arranged in a cavity of the main welding arm, the non-output end surface of the first servo motor is fixedly and mutually connected with the center of the bottom end surface in the cavity of the main welding arm in a friction manner, a rotating shaft of the first servo motor penetrates through a through hole in the center of the top end of the main welding arm, extends to the position right above the cavity of the main welding arm and is fixedly connected with the center of the free end surface of a vertical arm of a rotating arm consisting of a vertical arm and a horizontal arm which are integrally formed and mutually and vertically connected, the free end surface of the horizontal arm of the rotating arm is fixedly connected with the center of an end cover of a third air cylinder, the free end surface of a third piston rod of the third air cylinder is fixedly connected with the center of the left end surface of a bearing seat which is arranged in a rectangular body shape, the center of the bottom side surface of a fourth air cylinder is fixedly connected with the end cover of a, the output shaft of the stirring motor is fixedly connected with the center of the top end surface of the stirring head which is arranged in a truncated cone shape, the center of the bottom end surface of the stirring head is provided with the stirring needle, the diameter of the top end section of the stirring head is smaller than that of the bottom end section of the stirring head, and the top end surface and the bottom end surface of the stirring needle which is arranged in a cylinder shape are respectively and fixedly connected with the center of the bottom end surface of the stirring head and the bottom cone surface of the stirring cone teeth which are arranged in a cone shape.
Preferably, a first guide sliding plate and a second guide sliding plate which are symmetrical to each other and provided with rectangular cross sections and sliding layers on the top surfaces are respectively installed right in front of and right behind the left side of the center of the top surface of the support, the bottom surface of the first guide sliding plate and the bottom surface of the second guide sliding plate are respectively and fixedly connected with the right in front of and right behind the left side of the center of the top surface of the support, and the top surface of the first guide sliding plate and the top surface of the second guide sliding plate are respectively in sliding friction connection with the right behind the front end and the right in front of the rear end on the bottom surface of the first locking mechanism;
the right front and the right rear of the right side of the center of the top surface of the support are respectively provided with a third guide sliding plate and a fourth guide sliding plate which are arranged in a rectangular shape in cross section and are symmetrical to each other, the bottom surface of the third guide sliding plate and the bottom surface of the fourth guide sliding plate are respectively fixedly connected with the right front and the right rear of the right side of the center of the top surface of the support, and the top surface of the third guide sliding plate and the top surface of the fourth guide sliding plate are respectively in sliding friction connection with the right rear of the front end and the right front of the rear end on the bottom surface of the second locking mechanism.
Preferably, the front side surface, the bottom end surface and the rear side surface in the first supporting groove cavity are provided with a first anti-slip mat which is provided with a U-shaped cross section and an anti-slip layer on the inner side surface, and the outer side surface of the first anti-slip mat consisting of the front side mat, the bottom end mat and the rear side mat which are integrally formed and sequentially connected with one another is fixedly connected with the front side surface, the bottom end surface and the rear side surface in the first supporting groove cavity;
the front side, the bottom end and the rear side in the second supporting groove cavity are provided with a second non-slip mat which is provided with a U-shaped cross section and an anti-slip layer on the inner side surface, and the outer side surface of the second non-slip mat which is formed by the integrally formed front side mat, the bottom end mat and the rear side mat which are sequentially connected with one another is fixedly connected with the front side, the bottom end and the rear side in the second supporting groove cavity.
Preferably, a protecting sleeve with a section in a ring shape and a cavity center penetrating through an output shaft of the first servo motor is installed on the ring surface at the edge of the free end surface of the vertical arm of the rotating arm, the ring surface on the top side of the protecting sleeve is fixedly connected with the ring surface at the edge of the bottom end surface of the vertical arm of the rotating arm, and the ring surface on the bottom side of the protecting sleeve is in mutual rotating friction connection with the ring surface on the outer side of the center of the top end surface of the welding main arm.
Preferably, cleaning bevel teeth arranged in a cone shape are uniformly distributed on the circular ring surface between the inner side edge and the outer side edge of the shaft shoulder at the bottom end of the stirring head, and the bottom surfaces of the cleaning bevel teeth are fixedly connected with the circular ring surface between the inner side edge and the outer side edge of the shaft shoulder at the bottom end of the stirring head.
Preferably, install the cross-section on the anchor ring at the shaft shoulder edge of agitator head bottom and be the anti-overflow ring body that the isosceles trapezoid annular shape set up and the cross-section sets up for ring shape, the ring shape cross-section diameter of anti-overflow ring body is crescent setting by top to bottom, the anchor ring at the anchor ring top and the anchor ring edge of agitator head bottom fixed connection, the horizontal plane height at the anchor ring place of anti-overflow ring body bottom equals with the horizontal plane height at the cone angle place of clean awl tooth.
Preferably, the outer side wall of the stirring needle is uniformly provided with stirring teeth with rectangular sections, the sections of the stirring teeth are isosceles triangles, the bottom side of each isosceles triangle is an arc with the circle center outside, and the arc concave surfaces of the stirring teeth are fixedly connected with the arc convex surface on one side of the stirring needle.
(III) advantageous effects
Compared with the prior art, the friction stir welding processing equipment with the welding head quick locking mechanism provided by the invention has the following beneficial effects:
1. the friction stir welding processing equipment is characterized in that a first accommodating cavity with an axial section and a radial section both in a rectangular ring shape is arranged between the right lower side and the bottom side of the top side of a first locking mechanism, a first magnet with a rectangular body shape and a first conductive winding with a spiral shape is arranged in the cavity of the first accommodating cavity, the current direction of the first conductive winding is clockwise, a second accommodating cavity with an axial section and a radial section both in a rectangular ring shape is arranged between the right lower side and the bottom side of the top side of a second locking mechanism, a second magnet with a rectangular body shape and a second conductive winding with a spiral shape is arranged in the cavity of the second accommodating cavity, the current direction of the second conductive winding is clockwise, and the right end face of the second locking mechanism and the left end face of the first locking mechanism are mutually locked through a magnetic field attraction force, a stirring motor is arranged on a third rack, an output shaft of the stirring motor is fixedly connected with the center of the top end surface of a stirring head which is arranged in a circular truncated cone shape, the center of the bottom end surface of the stirring head is provided with a stirring needle, the output shaft of the stirring motor drives the stirring head and the stirring needle to rotate at a high speed, a shaft shoulder of the stirring head, the right end of the top side surface of the first workpiece to be welded and the left end of the top side surface of the second workpiece to be welded generate heat through friction, the stirring needle extends into the right end surface of the first workpiece to be welded and the left end surface of the second workpiece to be welded to perform friction and stirring, so that the temperature of materials at the position between the right end surface of the first workpiece to be welded and the left end surface of the second workpiece to be welded is raised and softened, a third piston rod of a third air cylinder pulls a bearing seat to further pull the stirring head and the stirring needle to move from the front end to the rear end of the superposed, the high plastic deformation material is gradually deposited right behind the stirring head and the stirring needle, the first conductive winding on the outer side wall of the first magnet of the first locking mechanism is electrified with anticlockwise current, the second conductive winding on the outer side wall of the second magnet of the second locking mechanism is electrified with anticlockwise current, according to the electromagnetic induction principle, an S pole and an N pole are respectively generated at the right end of the first locking mechanism and the left end of the second locking mechanism, the right end of the first locking mechanism and the left end of the second locking mechanism are locked through magnetic field attraction, and the right end face of the first workpiece to be welded and the left end face of the second workpiece to be welded form a stirring friction welding seam under the locking action of the first locking mechanism and the second locking mechanism, so that the technical effect of efficiently welding the workpieces while quickly locking the welding joints is realized, and the existing stirring friction welding equipment is solved, can not realize the technical problem of fast locking a welding joint and efficiently welding a workpiece at the same time.
2. This friction stir welding processing equipment, through install respectively at the support top side surface center the left dead ahead and dead behind the first slide and the second of leading of mutual symmetry that the cross-section is the setting of rectangular shape and the top side surface has the layer of leading the slide, support top side surface center the right side dead ahead and dead behind install respectively the cross-section and set up and the top side surface has the third of leading the slide and the fourth of leading the slide of mutual symmetry that the layer of leading the slide that the rectangular shape set up, the slide can reduce the frictional force between locking mechanism and the support effectively, it is faster to make locking mechanism move on the support surface, thereby realize the technological effect who improves locking mechanism's locking efficiency.
3. This friction stir welding processing equipment, through the equipartition have the clean awl tooth that is the cone form and sets up on the anchor ring between the inboard edge of stirring head bottom shaft shoulder and outside edge, the conical bottom surface of clean awl tooth and the anchor ring fixed connection between the inboard edge of stirring head bottom shaft shoulder and outside edge, clean awl tooth can effectively detach treats the rust on welding workpiece surface, has realized effectively detaching the technological effect of treating welding workpiece surface rust.
4. This friction stir welding processing equipment, through install the cross-section on the ring surface at the shaft shoulder edge of stirring head bottom and be the anti-overflow ring body that the ring shape set up and the cross-section is isosceles trapezoid annular shape and sets up, the ring shape cross-section diameter of anti-overflow ring body is the crescent setting by top to bottom, the ring surface on anti-overflow ring body top and the ring surface fixed connection at the shaft shoulder edge of stirring head bottom, the horizontal plane height at the ring surface place of anti-overflow ring body bottom equals with the horizontal plane height at the cone angle place of clean awl tooth, the anti-overflow ring body can prevent the problem that plastic state material spills over effectively, the technological effect that effectively prevents plastic state material and spill over has been realized.
5. This friction stir welding processing equipment, through the equipartition have the section to be the stirring tooth that the rectangle shape set up on the lateral wall of stirring needle, the cross-section of stirring tooth is isosceles triangle shape, and the base of such isosceles triangle is the circular arc that its centre of a circle is located its outside, and the convex concave surface of stirring tooth and the convex surface fixed connection of stirring needle one side, the rust stain of waiting to weld the work piece joint can effectively be detached to the stirring tooth, has realized effectively detaching the technological effect of waiting to weld the work piece joint rust stain.
Drawings
FIG. 1 is a front view of a friction stir welding process apparatus having a weld head quick lock mechanism of the present invention;
FIG. 2 is a top view of the weld base of the present invention;
FIG. 3 is a schematic structural diagram of a first locking mechanism and a second locking mechanism of the present invention;
FIG. 4 is an axial cross-sectional view of the first and second locking mechanisms of the present invention;
FIG. 5 is a radial cross-sectional view of a first locking mechanism of the present invention;
FIG. 6 is a cross-sectional view of a welded main arm and rotating arm of the present invention;
FIG. 7 is a cross-sectional view of the pin and pin of the present invention;
fig. 8 is a cross-sectional view of the stirring pin of the present invention.
The following are marked in the figure: 1-a welding base, 101-a support, 102-a first frame, 103-a second frame, 104-a third frame, 105-a first guide plate, 106-a second guide plate, 107-a third guide plate, 108-a fourth guide plate;
2-a first cylinder, 201-a first piston rod;
3-a second cylinder, 301-a second piston rod;
4-a first locking mechanism, 401-a first receiving slot, 402-a first magnet, 403-a first conductive winding, 404-a first anti-slip pad;
5-a first workpiece to be welded;
6-a second locking mechanism, 601-a second supporting groove, 602-a second magnet, 603-a second conductive winding;
7 a second workpiece to be welded;
8-welding a main arm, 9-a first servo motor, 10-a rotating arm and 11-a protecting sleeve;
12-third cylinder, 1201-third piston rod;
13-a bearing seat;
14-fourth cylinder, 1401-fourth piston rod;
15-stirring motor, 1501-output shaft;
16-stirring head, 1601-cleaning bevel gear, 1602-anti-overflow ring body;
17-pin, 1701-bevel and 1702-tooth.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A friction stir welding processing device with a welding head quick locking mechanism is disclosed, referring to fig. 1 and fig. 2, and comprises a welding base 1, wherein a support 101 which is arranged in a rectangular shape and is in sliding friction connection with a first locking mechanism 4 and a second locking mechanism 6 which are mutually symmetrical is arranged between the right front side and the front side center of the rear side center on the top side surface of the welding base 1, and the left side and the right side of the top side surface center are respectively in sliding friction connection with the right side, and the bottom side surface of the support 101 is fixedly connected with the right front side and the front side center of the rear side center on the top side surface of the welding base 1;
as shown in fig. 3, a first supporting groove 401 having a rectangular ring-shaped cross section and having openings at both the top and right ends is formed at the top side of the first locking mechanism 4, a first workpiece 5 to be welded having a rectangular cross section is mounted in a cavity of the first supporting groove 401, the front side, the bottom side, the rear side and the left end of the first workpiece 5 to be welded are frictionally connected with the space between the center of the front side and the bottom end, the space between the center of the rear side and the bottom end, and the space between the center of the left end and the bottom end of the cavity of the first supporting groove 401, respectively, and the right end of the first workpiece 5 to be welded penetrates through the right opening of the first supporting groove 401 and extends to the right side outside of the cavity;
as shown in fig. 4 and 5, a first accommodating cavity having an axial cross section and a radial cross section both in a rectangular ring shape is formed between the bottom side and the right below the top side of the first locking mechanism 4, a first magnet 402 having a rectangular body shape and having a first conductive winding 403 in a spiral shape surrounding the outer sidewall thereof is accommodated in the cavity of the first accommodating cavity, and the current direction of the first conductive winding 403 is clockwise;
the center of the left end face of the first locking mechanism 4 is fixedly connected with the free end face of a first piston rod 201 of a first cylinder 2 arranged at the center of the right side face of the first frame 102, and the bottom end face of the first frame 102 which is rectangular is fixedly connected with the right front of the center of the left end on the top side surface of the welding base 1;
a second supporting groove 601 with a rectangular ring-shaped cross section and openings at the top side and the left end is formed in the top side of the second locking mechanism 6, a second workpiece to be welded 7 with a rectangular cross section is mounted in a cavity of the second supporting groove 601, the front side, the bottom side, the back side and the right end of the second workpiece to be welded 7 are respectively in friction connection with the space between the center of the front side and the bottom end, the space between the center of the back side and the bottom end, and the space between the center of the right end and the bottom end in the cavity of the second supporting groove 601, the left end of the second workpiece to be welded 7 penetrates through the opening at the left end of the second supporting groove 601, extends to the left side outside the cavity, and is in friction connection with the right end of the first workpiece to be welded 5;
a second accommodating cavity with an axial section and a radial section both arranged in a rectangular ring shape is formed between the right lower part of the top side and the bottom side of the second locking mechanism 6, a second magnet 602 which is arranged in a rectangular body shape and is provided with a spiral second conductive winding 603 on the outer side wall in a surrounding manner is accommodated in the cavity of the second accommodating cavity, the current direction of the second conductive winding 603 is clockwise, and the right end surface of the second locking mechanism 6 and the left end surface of the first locking mechanism 4 are mutually locked through magnetic field attraction;
the center of the right end face of the second locking mechanism 6 is fixedly connected with the free end face of a second piston rod 301 of a second cylinder 3 arranged at the center of the left side face of the second frame 103, and the bottom end face of the second frame 103 which is rectangular and symmetrical to the first frame 102 is fixedly connected with the right front of the center of the right end on the top side surface of the welding base 1;
a third rack 104 arranged in a cylindrical shape is installed in the rear side center of the top side surface of the welding base 1, and the centers of the bottom end surface and the top end surface of the third rack 104 are respectively and fixedly connected with the rear side center of the top side surface of the welding base 1 and the bottom surface of the main welding arm 8 with a cavity inside and a through hole in the top end center;
as shown in fig. 6, a first servo motor 9 is installed in the cavity of the main welding arm 8, the non-input end surface of the first servo motor 9 is fixedly connected with the center of the bottom end surface in the cavity of the main welding arm 8 in a mutual friction manner, the rotating shaft of the first servo motor 9 penetrates through the through hole in the center of the top end of the main welding arm 8, extends to the position right above the cavity, and is fixedly connected with the center of the free end surface of the vertical arm of the rotating arm 10 composed of the vertical arm and the horizontal arm which are integrally formed and vertically connected with each other, the free end surface of the horizontal arm of the rotating arm 10 is fixedly connected with the center of the end cover of the third cylinder 12, the free end surface of the third piston rod 1201 of the third cylinder 12 is fixedly connected with the center of the left end surface of the bearing seat 13 which is rectangular, the center of the bottom side surface of the bearing seat 13 is fixedly connected with the end cover of the fourth cylinder 14, the free end surface of the fourth piston rod 1401 of, the output shaft 1501 of the stirring motor 15 is fixedly connected to the top end surface center of the stirring head 16 which is disposed in a truncated cone shape and has the stirring pin 17 at the bottom end surface center, the top end cross-sectional diameter of the stirring head 16 is smaller than the bottom end cross-sectional diameter thereof, and as shown in fig. 7, the top end surface and the bottom end surface of the stirring pin 17 disposed in a cylindrical shape are fixedly connected to the bottom end surface center of the stirring head 16 and the cone bottom surface of the stirring cone teeth 1701 disposed in a conical shape, respectively.
Preferably, a first guide sliding plate 105 and a second guide sliding plate 106 which are arranged in a rectangular shape in cross section and are symmetrical to each other with a guide sliding layer on the top surface are respectively installed right in front of and right behind the left side of the center of the top surface of the support 101, the bottom surface of the first guide sliding plate 105 and the bottom surface of the second guide sliding plate 106 are respectively fixedly connected with the right in front of and right behind the left side of the center of the top surface of the support 101, and the top surface of the first guide sliding plate 105 and the top surface of the second guide sliding plate 106 are respectively in sliding friction connection with the right in front of and behind the front end on the bottom surface of the first locking mechanism 4;
a third guide slide plate 107 and a fourth guide slide plate 108 which are arranged in a rectangular shape in cross section and are symmetrical to each other with a guide slide layer on the top surface are respectively installed right in front of and right behind the right side of the center of the top surface of the support 101, the bottom surface of the third guide slide plate 107 and the bottom surface of the fourth guide slide plate 108 are respectively fixedly connected with the right in front of and right behind the right side of the center of the top surface of the support 101, and the top surface of the third guide slide plate 107 and the top surface of the fourth guide slide plate 108 are respectively in sliding friction connection with the right behind of the front end and the right in front of the rear end on the bottom surface of the second locking mechanism 6.
Preferably, the front side surface, the bottom end surface and the rear side surface in the cavity of the first supporting groove 401 are provided with a first anti-slip mat 404 which is provided with a U-shaped cross section and an anti-slip layer on the inner side surface, and the outer side surface of the first anti-slip mat 404 consisting of the front side mat, the bottom end mat and the rear side mat which are integrally formed and sequentially connected with each other is fixedly connected with the front side surface, the bottom end surface and the rear side surface in the cavity of the first supporting groove 401;
the front side, the bottom end and the rear side in the cavity of the second supporting groove 601 are provided with a second anti-slip mat which is provided with a U-shaped cross section and an anti-slip layer on the inner side surface, and the outer side surface of the second anti-slip mat which is formed by the front side mat, the bottom end mat and the rear side mat which are integrally formed and sequentially connected with one another is fixedly connected with the front side, the bottom end and the rear side in the cavity of the second supporting groove 601.
Preferably, a protecting sleeve 11 with a circular ring-shaped cross section and a cavity center penetrating through an output shaft of the first servo motor 9 is installed on the circular ring surface at the edge of the free end face of the vertical arm of the rotating arm 10, the circular ring surface on the top side of the protecting sleeve 11 is fixedly connected with the circular ring surface at the edge of the bottom end face of the vertical arm of the rotating arm 10, and the circular ring surface on the bottom side of the protecting sleeve 11 is in mutual rotation friction connection with the circular ring surface on the outer side of the center of the top end face of the welding main arm 8.
Preferably, cleaning bevel teeth 1601 arranged in a cone shape are uniformly distributed on an annular surface between the inner side edge and the outer side edge of a shaft shoulder at the bottom end of the stirring head 16, and a conical bottom surface of the cleaning bevel teeth 1601 is fixedly connected with the annular surface between the inner side edge and the outer side edge of the shaft shoulder at the bottom end of the stirring head 16.
Preferably, install the cross-section on the anchor ring at the shaft shoulder edge of agitator 16 bottom and be the anti-overflow ring body 1602 that the isosceles trapezoid annular shape set up and the cross-section sets up for circle annular shape, the circle annular cross-section diameter of anti-overflow ring body 1620 is the crescent setting by top to bottom, the anchor ring at the axle shoulder edge of anti-overflow ring body 1602 top and agitator 16 bottom is fixed connection, the horizontal plane height at the anchor ring place of anti-overflow ring body 1602 bottom equals with the horizontal plane height at the cone angle place of clean awl tooth 1601.
Preferably, the outer side wall of the stirring pin 17 is uniformly distributed with stirring teeth 1702 having rectangular cross-section, as shown in fig. 8, the cross-section of the stirring teeth 1702 is in the shape of an isosceles triangle, the bottom side of the isosceles triangle is an arc with the center located outside the isosceles triangle, and the arc concave surface of the stirring teeth 1702 is fixedly connected with the arc convex surface of one side of the stirring pin 17
During operation, a first workpiece 5 to be welded and a second workpiece 7 to be welded are respectively placed in a first supporting groove 401 of a first locking mechanism 4 and a second supporting groove 601 of a second locking mechanism 6, and a first piston rod 201 of a first cylinder 2 and a second piston rod 301 of a second cylinder 3 respectively push the first locking mechanism 4 and the second locking mechanism 6 to move towards each other until the right end face of the first workpiece 5 to be welded and the left end face of the second workpiece 7 to be welded coincide with each other;
the rotating shaft of the first servo motor 9 of the main welding arm 8 drives the rotating arm 10 and the stirring head 16 and the stirring pin 17 on the rotating arm 10 to rotate to be right above the superposed surface of the first workpiece to be welded 5 and the second workpiece to be welded 7, the third piston rod 1201 of the third air cylinder 12 pushes the bearing seat 13 to move forward until the stirring pin 17 reaches to be right above the front end of the superposed surface of the first workpiece to be welded 5 and the second workpiece to be welded 7, the fourth piston rod 1401 of the fourth air cylinder 14 pushes the stirring head 16 and the stirring pin 17 to move forward, so that the shaft shoulder of the stirring head 16 moves to be right above the superposed surface of the first workpiece to be welded 5 and the second workpiece to be welded 7 and is in mutual friction contact with the front side of the right end of the top side surface of the first workpiece to be welded 5 and the front side of the left end of the top side surface of the second workpiece to be welded 7, the stirring pin 17 is inserted from the top sides of the superposed surfaces of the first workpiece to be welded 5 and the second workpiece to be welded 7, and the left side and the right side of the stirring needle 17 are respectively in mutual friction contact with the right end surface of the first workpiece to be welded 5 and the left end surface of the second workpiece to be welded 7, the output shaft 1501 of the stirring motor 15 drives the stirring head 16 and the stirring needle 17 to rotate at a high speed, the shaft shoulder of the stirring head 17, the right end of the top side surface of the first workpiece to be welded 5 and the left end of the top side surface of the second workpiece to be welded 7 generate heat through friction, the stirring needle 17 extends into the right end surface of the first workpiece to be welded 5 and the left end surface of the second workpiece to be welded 7 to perform friction and stirring, so that the temperature of the material at the position between the right end surface of the first workpiece to be welded 5 and the left end surface of the second workpiece to be welded 7 is increased and softened, the third piston rod 1201 of the third cylinder 12 pulls the bearing seat 13, and then pulls the stirring head 16 and the stirring needle 17 to move together from the front end to the, the material right in front of the stirring head 16 and the stirring pin 17 is subjected to strong plastic deformation, and the material with high plastic deformation is gradually deposited right behind the stirring head 16 and the stirring pin 17;
the first conductive winding 403 on the outer side wall of the first magnet 402 of the first locking mechanism 4 is electrified with a current in a counterclockwise direction, the second conductive winding 603 on the outer side wall of the second magnet 602 of the second locking mechanism 6 is electrified with a current in a counterclockwise direction, according to the electromagnetic induction principle, an S pole and an N pole are respectively generated at the right end of the first locking mechanism 4 and the left end of the second locking mechanism 6, the right end of the first locking mechanism 4 and the left end of the second locking mechanism 6 are locked through magnetic field attraction, and a stirring friction welding seam is formed by the right end face of the first workpiece to be welded 5 and the left side face of the second workpiece to be welded 7 under the locking action of the first locking mechanism 4 and the second locking mechanism 6, so that the welding work of the right end face of the first workpiece to be welded 5 and the left end face of the second workpiece to be welded 7 is completed.
In summary, in the friction stir welding processing apparatus, a first accommodating chamber having an axial section and a radial section both in a rectangular ring shape is disposed between the right lower side and the bottom side of the top side of the first locking mechanism 4, a first magnet 402 having a rectangular body shape and an outer wall on which a first conductive winding 403 having a spiral shape is wound is accommodated in the first accommodating chamber, a current direction of the first conductive winding 403 is clockwise, a second accommodating chamber having an axial section and a radial section both in a rectangular ring shape is disposed between the right lower side and the bottom side of the top side of the second locking mechanism 6, a second magnet 602 having a rectangular body shape and an outer wall on which a second conductive winding 603 having a spiral shape is wound is accommodated in the second accommodating chamber, a current direction of the second conductive winding 603 is clockwise, a right end face of the second locking mechanism 6 and a left end face of the first locking mechanism 4 are locked to each other by magnetic field attraction, a stirring motor 15 is mounted on the third frame 104, an output shaft 1501 of the stirring motor 15 is fixedly connected with the center of the top end face of a stirring head 16 which is arranged in a circular truncated cone shape and has a stirring needle 17 at the center of the bottom end face, the output shaft 1501 of the stirring motor 15 drives the stirring head 16 and the stirring needle 17 to rotate at a high speed, a shaft shoulder of the stirring head 17 and the right end of the top side surface of the first workpiece to be welded 5 and the left end of the top side surface of the second workpiece to be welded 7 generate heat through friction, the stirring needle 17 extends into the right end face of the first workpiece to be welded 5 and the left end face of the second workpiece to be welded 7 to perform friction and stirring, so that the temperature of a material at a position between the right end face of the first workpiece to be welded 5 and the left end face of the second workpiece to be welded 7 is raised and softened, a third piston rod 1201 of the third cylinder 12 pulls the bearing seat 13, and further pulls the stirring head 16 and the stirring needle 17 to move together from, the material right in front of the stirring head 16 and the stirring needle 17 is enabled to generate strong plastic deformation, the material with high plastic deformation is gradually deposited right behind the stirring head 16 and the stirring needle 17, the first conductive winding 403 on the outer side wall of the first magnet 402 of the first locking mechanism 4 is electrified with anticlockwise current, the second conductive winding 603 on the outer side wall of the second magnet 602 of the second locking mechanism 6 is electrified with anticlockwise current, according to the electromagnetic induction principle, an S pole and an N pole are respectively generated at the right end of the first locking mechanism 4 and the left end of the second locking mechanism 6, the right end of the first locking mechanism 4 and the left end of the second locking mechanism 6 are locked through magnetic field attraction, the right end face of the first workpiece 5 to be welded and the left side face of the second workpiece 7 to be welded form a stirring friction welding seam under the locking action of the first locking mechanism 4 and the second locking mechanism 6, so as to realize the technical effect of rapidly locking the welding joint and efficiently welding the workpieces, the technical problem that the existing friction stir welding processing equipment cannot simultaneously lock the welding joint and efficiently weld workpieces is solved.
This friction stir welding processing equipment, through install respectively at the first guide slide 105 and the second guide slide 106 of the mutual symmetry that the cross-section is the setting of rectangle shape and the top surface has the layer of leading sliding right in the front and right back at the left side of support 101 top surface center, the third guide slide 107 and the fourth guide slide 108 of the mutual symmetry that the cross-section is the setting of rectangle shape and the top surface has the layer of leading sliding right in the front and right back on the right side of support 101 top surface center are installed respectively, the guide slide can reduce the frictional force between locking mechanism and the support effectively, make locking mechanism move more fast on the support 101 surface, thereby realize the technological effect who improves locking mechanism's locking efficiency.
This friction stir welding processing equipment, through the equipartition have the clean awl tooth 1601 that is the setting of cone bodily form on the torus between the inboard edge of 16 bottom shaft shoulders of stirring head and the outside edge, the conical bottom surface of clean awl tooth 1601 and the torus fixed connection between the inboard edge of 16 bottom shaft shoulders of stirring head and the outside edge, clean awl tooth 1601 can effectively detach treats the rust on welding workpiece surface, has realized effectively removing the technological effect of treating welding workpiece surface rust.
This friction stir welding processing equipment, through install the cross-section on the ring surface at the shaft shoulder edge of 16 bottoms on the stirring head and be the anti-overflow ring body 1602 that the ring shape set up and the cross-section is isosceles trapezoid annular shape and sets up, the ring shape cross-section diameter of anti-overflow ring body 1620 is crescent setting by top to bottom, the ring surface on anti-overflow ring body 1602 top and the ring surface fixed connection at the shaft shoulder edge of 16 bottoms of stirring head, the horizontal plane height at the ring surface place of anti-overflow ring body 1602 bottom equals with the horizontal plane height at the cone angle place of clean awl tooth 1601, anti-overflow ring body 1602 can prevent the problem that plastic state material spills over effectively, the technological effect that effectively prevents plastic state material and spill over has been realized.
This friction stir welding processing equipment, through the equipartition have the section to be the stirring tooth 1702 that the rectangle shape set up on the lateral wall of stirring needle 17, the cross-section of stirring tooth 1702 is isosceles triangle-shaped, and the base of such isosceles triangle-shaped is the circular arc that its centre of a circle is located its outside, and the circular arc concave surface of stirring tooth 1702 is fixed connection with the convex surface of circular arc on one side of stirring needle 17, and stirring tooth 1702 can effectively detach treats the rust stain of welded work piece joint, has realized effectively detaching the technological effect of treating welded work piece joint rust stain.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a friction stir welding processing equipment with quick locking mechanism of soldered connection, includes welding base (1), its characterized in that: a support (101) which is arranged in a rectangular body shape and is in sliding friction connection with a first locking mechanism (4) and a second locking mechanism (6) which are mutually symmetrical is arranged between the front side and the front side of the rear side center on the top side surface of the welding base (1) and the right side of the top side surface center, and the bottom side surface of the support (101) is fixedly connected with the front side and the front side center of the rear side center on the top side surface of the welding base (1);
the welding fixture is characterized in that a first supporting groove (401) with a rectangular ring-shaped cross section and openings at the top side and the right end is formed in the top side of the first locking mechanism (4), a first workpiece to be welded (5) with a rectangular cross section is mounted in a cavity of the first supporting groove (401), the front side, the bottom side, the rear side and the left end of the first workpiece to be welded (5) are in friction connection with the space between the center of the front side and the bottom end, the space between the center of the rear side and the bottom end and the space between the center of the left end and the bottom end of the cavity of the first supporting groove (401) respectively, and the right end of the first workpiece to be welded (5) penetrates through the opening at the right end of the first supporting;
a first accommodating cavity with an axial section and a radial section both arranged in a rectangular ring shape is formed between the right lower part of the top side and the bottom side of the first locking mechanism (4), a first magnet (402) which is arranged in a rectangular body shape and is provided with a spiral first conductive winding (403) in a surrounding mode on the outer side wall is accommodated in the cavity of the first accommodating cavity, and the current direction of the first conductive winding (403) is clockwise;
the center of the left end face of the first locking mechanism (4) is fixedly connected with the free end face of a first piston rod (201) of a first cylinder (2) arranged at the center of the right side face of the first rack (102), and the bottom end face of the first rack (102) arranged in a cuboid shape is fixedly connected with the right front of the center of the left end on the top side surface of the welding base (1);
a second supporting groove (601) with a rectangular ring-shaped cross section and openings at the top side and the left end is formed in the top side of the second locking mechanism (6), a second workpiece to be welded (7) with a rectangular cross section is mounted in a cavity of the second supporting groove (601), the front side, the bottom side, the rear side and the right end of the second workpiece to be welded (7) are respectively in friction connection with the space between the center of the front side and the bottom end, the space between the center of the rear side and the bottom end, and the space between the center of the right end and the bottom end in the cavity of the second supporting groove (601), the left end of the second workpiece to be welded (7) penetrates through the opening at the left end of the second supporting groove (601), extends to the left side outside the cavity and is in friction connection with the right end of the first workpiece to be welded (5);
a second accommodating cavity with an axial section and a radial section both in a rectangular ring shape is formed between the right lower side and the bottom side of the top side of the second locking mechanism (6), a second magnet (602) which is in a rectangular body shape and is provided with a spiral second conductive winding (603) in a surrounding manner on the outer side wall is accommodated in the cavity of the second accommodating cavity, the current direction of the second conductive winding (603) is clockwise, and the right end face of the second locking mechanism (6) and the left end face of the first locking mechanism (4) are mutually locked through magnetic field attraction;
the center of the right end face of the second locking mechanism (6) is fixedly connected with the free end face of a second piston rod (301) of a second cylinder (3) arranged at the center of the left side face of the second rack (103), and the bottom end face of the second rack (103) which is arranged in a rectangular shape and mutually symmetrical with the first rack (102) is fixedly connected with the right front of the center of the right end on the top side surface of the welding base (1);
a third rack (104) which is arranged in a cylindrical shape is installed in the rear side center of the top side surface of the welding base (1), and the centers of the bottom end surface and the top end surface of the third rack (104) are respectively and fixedly connected with the rear side center of the top side surface of the welding base (1) and the bottom surface of a main welding arm (8) which is provided with a cavity inside and a through hole in the top end center;
a first servo motor (9) is installed in a cavity of a main welding arm (8), the non-output end face of the first servo motor (9) is fixedly connected with the center of the bottom end face in the cavity of the main welding arm (8) in a mutual friction manner, a rotating shaft of the first servo motor (9) penetrates through a through hole in the center of the top end of the main welding arm (8), extends to the position right above the cavity of the main welding arm, and is fixedly connected with the center of the free end face of a vertical arm of a rotating arm (10) consisting of an integrally formed vertical arm and a horizontal arm which are vertically connected with each other, the free end face of the horizontal arm of the rotating arm (10) is fixedly connected with the center of an end cover of a third air cylinder (12), the free end face of a third piston rod (1201) of the third air cylinder (12) is fixedly connected with the center of the left end face of a bearing seat (13) which is arranged in a rectangular body shape, and the center of, the free end face of a fourth piston rod (1401) of a fourth cylinder (14) is fixedly connected with the center of a non-output end face of a stirring motor (15) which is positioned right below the free end face, an output shaft (1501) of the stirring motor (15) is fixedly connected with the center of a top end face of a stirring head (16) which is arranged in a truncated cone shape, the center of a bottom end face of the stirring head is provided with a stirring needle (17), the diameter of the top end face of the stirring head (16) is smaller than that of the bottom end face of the stirring head, and the top end face and the bottom end face of the stirring needle (17) which is arranged in a cylindrical shape are respectively and fixedly connected with the center of the bottom end face of the stirring head (16) and the conical bottom face of.
2. The friction stir welding processing apparatus having a weld head quick locking mechanism of claim 1, wherein: a first guide sliding plate (105) and a second guide sliding plate (106) which are arranged in a rectangular shape in cross section and are symmetrical to each other with a guide sliding layer on the top surface are respectively arranged right in front of and right behind the left side of the center of the top surface of the support (101), the bottom surface of the first guide sliding plate (105) and the bottom surface of the second guide sliding plate (106) are respectively fixedly connected with the right in front of and right behind the left side of the center of the top surface of the support (101), and the top surface of the first guide sliding plate (105) and the top surface of the second guide sliding plate (106) are respectively in sliding friction connection with the right behind of the front end and the right in front of the rear end on the bottom surface of the first locking mechanism (4);
the right front and the right rear of the right side of the center of the top surface of the support (101) are respectively provided with a third guide sliding plate (107) and a fourth guide sliding plate (108) which are arranged in a rectangular shape in cross section and are symmetrical to each other, the top surface of the third guide sliding plate (107) and the bottom surface of the fourth guide sliding plate (108) are respectively fixedly connected with the right front and the right rear of the right side of the center of the top surface of the support (101), and the top surface of the third guide sliding plate (107) and the top surface of the fourth guide sliding plate (108) are respectively connected with the right rear of the front end and the right front of the rear end on the bottom surface of the second locking mechanism (6) in a sliding friction manner.
3. The friction stir welding processing apparatus having a weld head quick locking mechanism of claim 1, wherein: the front side surface, the bottom end surface and the rear side surface in the cavity of the first supporting groove (401) are provided with a first anti-slip mat (404) which is provided with a U-shaped cross section and an anti-slip layer on the inner side surface, and the outer side surface of the first anti-slip mat (404) consisting of the front side mat, the bottom end mat and the rear side mat which are integrally formed and sequentially connected with one another is fixedly connected with the front side surface, the bottom end surface and the rear side surface in the cavity of the first supporting groove (401);
the front side, the bottom end and the rear side in the cavity of the second supporting groove (601) are provided with a second anti-slip mat which is provided with a U-shaped cross section and an anti-slip layer on the inner side surface, and the outer side surface of the second anti-slip mat which is formed by the front side mat, the bottom end mat and the rear side mat which are integrally formed and sequentially connected with one another is fixedly connected with the front side, the bottom end and the rear side in the cavity of the second supporting groove (601).
4. The friction stir welding processing apparatus having a weld head quick locking mechanism of claim 1, wherein: install on the torus at the free end face edge of the vertical arm of swinging boom (10) that the cross-section is the setting of ring shape and cavity center runs through lag (11) that have the output shaft of first servo motor (9), the torus on lag (11) top side and the torus at the bottom face edge of the vertical arm of swinging boom (10) fixed connection, the torus at lag (11) bottom side and the torus in the outside at welding main arm (8) top end face center rotate frictional connection each other.
5. The friction stir welding processing apparatus having a weld head quick locking mechanism of claim 1, wherein: the utility model discloses a cleaning device, including agitator head (16), the equipartition has clean awl tooth (1601) that is the setting of coniform on the torus between the inboard edge of agitator head (16) bottom shaft shoulder and the outside edge, and the conical bottom surface of clean awl tooth (1601) and the torus fixed connection between the inboard edge and the outside edge of agitator head (16) bottom shaft shoulder.
6. The friction stir welding processing apparatus having a weld head quick locking mechanism of claim 5, wherein: install on the anchor ring at the shaft shoulder edge of stirring head (16) bottom the cross-section and be anti-overflow ring body (1602) that the ring shape of circle set up and the section is isosceles trapezoid annular shape and sets up, the ring shape cross-section diameter of anti-overflow ring body (1602) is the crescent setting by top to bottom, the anchor ring at the axle shoulder edge of anti-overflow ring body (1602) top and stirring head (16) bottom fixed connection, the horizontal plane height at the anchor ring place of anti-overflow ring body (1602) bottom and the horizontal plane height at the cone angle place of cleaning awl tooth (1601) equal.
7. The friction stir welding processing apparatus having a weld head quick locking mechanism of claim 1, wherein: stirring teeth (1702) with rectangular cross sections are uniformly distributed on the outer side wall of the stirring needle (17), the cross sections of the stirring teeth (1702) are in the shape of an isosceles triangle, the bottom side of the isosceles triangle is an arc with the center of the circle outside the isosceles triangle, and the arc concave surface of each stirring tooth (1702) is fixedly connected with the arc convex surface on one side of the stirring needle (17).
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Application publication date: 20180904 Assignee: HUNAN KUNDING CNC TECHNOLOGY CO.,LTD. Assignor: HUNAN University OF ARTS AND SCIENCE Contract record no.: X2023980035950 Denomination of invention: Friction stir welding processing equipment with quick locking mechanism of welding joint Granted publication date: 20200630 License type: Common License Record date: 20230530 |
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