CN212734616U - Friction stir welding device - Google Patents
Friction stir welding device Download PDFInfo
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- CN212734616U CN212734616U CN202021407429.XU CN202021407429U CN212734616U CN 212734616 U CN212734616 U CN 212734616U CN 202021407429 U CN202021407429 U CN 202021407429U CN 212734616 U CN212734616 U CN 212734616U
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Abstract
The utility model discloses a friction stir welding device, which comprises a base, a movable seat, a friction stir welding unit and a first driving unit; the movable seat is connected with the base in a sliding mode, the movable seat comprises two installation parts arranged along the vertical direction at intervals and an avoidance space arranged between the two installation parts, the friction stir welding units correspond to the installation parts one to one, the two friction stir welding units are matched to form a welding part, and the first driving unit is used for driving the movable seat to move back and forth relative to the base. The friction stir welding device can carry out double-sided symmetrical welding, and is favorable for improving the welding efficiency.
Description
Technical Field
The utility model relates to the field of welding technique, especially, relate to a friction stir welding device.
Background
The friction stir welding device is a device which utilizes the heat generated by the rotation and mutual friction of a stirring head on the end surface of a workpiece to ensure that the end part reaches a thermoplastic state and then rapidly upset to finish welding. The common friction stir welding equipment mainly has the structures of vertical type, horizontal type, gantry type, cantilever type and the like, and a single stirring head is adopted to weld one surface of a workpiece.
When the traditional friction stir welding device is used for welding workpieces in a double-sided symmetrical mode, the workpieces need to be detached to turn over to weld a welding seam on the other side after one side is welded in the welding process, and therefore welding efficiency is low.
SUMMERY OF THE UTILITY MODEL
Accordingly, there is a need for a friction stir welding device that can perform double-sided symmetric welding and is advantageous in improving welding efficiency.
The technical scheme is as follows:
on one hand, the application provides a friction stir welding device, which comprises a base, a movable seat, a friction stir welding unit and a first driving unit; the movable seat is connected with the base in a sliding mode, the movable seat comprises two installation parts arranged along the vertical direction at intervals and an avoidance space arranged between the two installation parts, the friction stir welding units correspond to the installation parts one to one, the two friction stir welding units are matched to form a welding part, and the first driving unit is used for driving the movable seat to move back and forth relative to the base.
When the friction stir welding device is used, at least two workpieces to be welded are arranged between the two friction stir welding units, and after the friction stir welding units are started, the welding of the at least two workpieces is realized by utilizing the welding parts. In the process, the first driving unit is used for driving the movable seat to move, and welding seams can be synchronously formed on the at least two workpieces according to a preset welding seam track in a welding mode, so that the at least two workpieces are welded into a whole. And because the existence of the avoidance space, the movable seat can not interfere the movement of the friction stir welding unit, and the required welding line can be conveniently obtained.
It can be understood that when two friction stir welding units carry out double-sided symmetrical welding on at least two workpieces, the heat energy can be fully utilized, and the energy consumption is reduced. In the process, the workpiece does not need to be turned over and clamped, the first driving unit can complete welding at least once in a reciprocating motion, and the welding efficiency is improved. Meanwhile, by means of the matching of the movable seat and the base, during welding, axial force of the workpiece on the friction stir welding unit can be offset, so that the comprehensive external force of the friction stir welding borne by the workpiece can be reduced, the workpiece can be prevented from being extruded and deformed, and the requirement on the clamp is lowered.
Moreover, the two sides of the workpiece are synchronously welded at the same time, so that an additional bottom plate is not needed to prevent the welding seam from being subjected to upsetting deformation.
The technical solution is further explained below:
in one embodiment, the base is provided with a first slide rail, and the movable seat is provided with a first slide block connected with the first slide rail in a sliding manner.
In one embodiment, the first driving unit includes a first servo motor, a first lead screw, and a first nut in transmission fit with the first lead screw, an output end of the first servo motor is in transmission connection with the first lead screw, and the first nut is fixedly connected with the first slider or the movable base.
In one embodiment, the first driving unit further includes a first mounting bracket, a first coupling and a first bearing seat, the first mounting bracket is fixed on the base, the first servo motor is fixed on the first mounting bracket, the first servo motor is connected with one end of the first lead screw through the first coupling, the other end of the first lead screw is rotatably connected with the first bearing seat, and the first bearing seat is fixed on the base.
In one embodiment, the mounting portion is slidably connected to the friction stir welding unit, and the friction stir welding device further includes a second driving unit in one-to-one correspondence with the friction stir welding unit, the second driving unit being configured to drive the friction stir welding unit to reciprocate in the vertical direction.
In one embodiment, the mounting portion is provided with a second slide rail, and the friction stir welding unit is provided with a second slide block connected with the second slide rail in a sliding manner.
In one embodiment, the second driving unit includes a second servo motor, a second lead screw, and a second nut in transmission fit with the second lead screw, an output end of the second servo motor is in transmission connection with the second lead screw, and the second nut is fixedly connected with a corresponding second slider or friction stir welding unit.
In one embodiment, the second driving unit further includes a second mounting bracket, a second coupling and a second bearing seat, the second mounting bracket is fixedly disposed on the mounting portion, the second servo motor is connected to one end of the second lead screw through the second coupling, the other end of the second lead screw is rotatably connected to the second bearing seat, and the second bearing seat is fixedly disposed on the mounting portion.
In one embodiment, the friction stir welding unit further comprises a ram, a spindle motor and a stirring head, the ram is fixedly connected with the second slider, the spindle motor is arranged on the ram, and the spindle motor drives the stirring head to rotate.
In one embodiment, the ram is provided with a mounting groove, the friction stir welding unit further comprises a transmission unit and a shielding cover, the transmission unit is arranged in the ram, the spindle motor drives the stirring head to rotate through the transmission unit, and the shielding cover is matched with the mounting groove to form a protective cavity.
Drawings
FIG. 1 is a schematic view of a friction stir welding apparatus according to an embodiment;
FIG. 2 is an exploded view of the friction stir welding apparatus shown in FIG. 1;
FIG. 3 is a schematic partial exploded view of the first driving unit and the base shown in FIG. 2;
FIG. 4 is a schematic diagram of a partial explosion of the second drive unit shown in FIG. 2;
FIG. 5 is a schematic partially exploded view of the friction stir welding unit shown in FIG. 2;
FIG. 6 is a schematic view of the friction stir welding apparatus shown in FIG. 1;
fig. 7 is a partially enlarged schematic view of the operation of the stirring head shown in fig. 6.
Description of reference numerals:
100. a base; 110. a first slide rail; 200. a movable seat; 210. an installation part; 212. a second slide rail; 220. a first slider; 202. avoiding a space; 300. a friction stir welding unit; 310. a ram; 312. a second slider; 314. mounting grooves; 320. a spindle motor; 330. a stirring head; 340. a transmission unit; 350. a shielding cover; 302. welding the part; 400. a first drive unit; 410. a first servo motor; 420. a first lead screw; 430. a first nut; 440. a first mounting bracket; 450. a first coupling; 460. a first bearing housing; 500. a second driving unit; 510. a second servo motor; 520. a second lead screw; 530. a second nut; 540. a second mounting bracket; 550. a second coupling; 560. a second bearing housing; 600. a work table; 700. and (5) a workpiece.
Description of the drawingsthe accompanying drawings, which form a part of the present application, serve to provide a further understanding of the invention, and the exemplary embodiments and descriptions thereof are provided for purposes of explanation and are not intended to constitute undue limitations on the invention.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 and 2, in one embodiment, a friction stir welding apparatus is provided, which includes a base 100, a movable base 200, a friction stir welding unit 300, and a first driving unit 400; sliding connection of sliding seat 200 and base 100, sliding seat 200 include along two installation departments 210 that vertical direction interval set up and set up in dodging space 202 between two installation departments 210, friction stir welding unit 300 and installation department 210 one-to-one, and two friction stir welding units 300 cooperate and form welding portion 302, and first drive unit 400 is used for driving sliding seat 200 for base 100 reciprocating motion.
As shown in fig. 6 and 7, when the friction stir welding apparatus is used, at least two workpieces 700 to be welded are placed between the two friction stir welding units 300, and after the friction stir welding units 300 are started, the at least two workpieces 700 are welded by the welding portion 302. In this process, the first driving unit 400 is used to drive the movable seat 200 to move, so that a weld joint can be synchronously formed on the at least two workpieces 700 according to a preset weld joint track, and the at least two workpieces 700 are welded into a whole. And due to the existence of the avoidance space 202, the movable seat 200 does not interfere with the movement of the friction stir welding unit 300, so that a required welding seam can be obtained conveniently.
It can be understood that when two friction stir welding units 300 perform double-sided symmetrical welding on at least two workpieces 700, the heat energy can be fully utilized, and the energy consumption can be reduced. In the process, the workpiece 700 does not need to be turned over and clamped, and the first driving unit 400 can complete welding at least once in a reciprocating motion, so that the welding efficiency is improved. Meanwhile, by matching the movable seat 200 with the base 100, during welding, the axial force of the workpiece 700 on the friction stir welding unit 300 can be offset, so that the comprehensive external force of the friction stir welding borne by the workpiece 700 is reduced, the workpiece 700 is prevented from being extruded and deformed, and the requirement on a clamp is reduced.
Furthermore, the two sides of the workpiece 700 are welded simultaneously, so that no additional bottom plate is needed to prevent the upset deformation of the weld. Meanwhile, the axial force of the workpiece 700 on the friction stir welding unit 300 during welding is transmitted to the inside of the movable seat 200 through force analysis, so that the abrasion on the first driving unit 400 can be reduced.
It should be noted that the "friction stir welding unit 300" may be implemented by any conventional technique.
The first driving unit 400 can be selected according to actual requirements, such as a reciprocating linear driving unit and a reciprocating swing driving unit.
On the basis of the above embodiments, as shown in fig. 1 and fig. 2, in an embodiment, the base 100 is provided with the first slide rail 110, and the movable seat 200 is provided with the first slider 220 slidably connected to the first slide rail 110. Thus, the sliding connection between the movable seat 200 and the base 100 is realized by the cooperation of the first sliding block 220 and the first sliding rail 110, which is beneficial to ensuring the stability and the movement precision control of the reciprocating movement of the movable seat 200. Specifically, the first driving unit 400 provides power, so that the movable base 200 can precisely move through the cooperation of the first slider 220 and the first sliding rail 110. In the actual manufacturing process, the first sliding block 220 and the first sliding rail 110 with different accuracies can be selected according to different requirements.
On the basis of the above embodiments, as shown in fig. 1 to fig. 3, in an embodiment, the first driving unit 400 includes a first servo motor 410, a first lead screw 420, and a first nut 430 in transmission fit with the first lead screw 420, an output end of the first servo motor 410 is in transmission connection with the first lead screw 420, and the first nut 430 is fixedly connected with the first sliding block 220 or the movable base 200. Thus, the first screw rod 420 can be driven to rotate only by utilizing the forward and reverse rotation of the first servo motor 410, and the first nut 430 is further controlled to drive the first sliding block 220 to reciprocate along the axial direction of the first screw rod 420, so that the reciprocating movement of the movable seat 200 is realized; meanwhile, the movable seat 200 can be stopped when the movable seat is moved by utilizing the characteristic of a screw nut transmission structure. Specifically, the first servo motor 410 rotates forward, so that the first nut 430 drives the first slider 220 to move, and drives the movable seat 200 to move to a welding start point, and after the position of the friction stir welding unit 300 is adjusted, the friction stir welding unit 300 acts to perform friction stir welding; at this time, the first servo motor 410 rotates reversely according to the preset rotation speed, so that the movable seat 200 moves back, a weld joint is gradually formed on the at least two workpieces 700 until the movable seat 200 moves to the final welding point, and then the preset weld joint is formed on the at least two workpieces 700, so that the at least two workpieces 700 are welded into a whole.
On the basis of the above embodiments, as shown in fig. 2 and fig. 3, in an embodiment, the first driving unit 400 further includes a first mounting bracket 440, a first coupler 450, and a first bearing seat 460, the first mounting bracket 440 is fixedly disposed on the base 100, the first servo motor 410 is fixedly disposed on the first mounting bracket 440, the first servo motor 410 is connected to one end of the first lead screw 420 through the first coupler 450, the other end of the first lead screw 420 is rotatably connected to the first bearing seat 460, and the first bearing seat 460 is fixedly disposed on the base 100. In this way, the first mounting bracket 440 is used to mount the first servo motor 410 on the base 100, which facilitates the mounting of the first servo motor 410; meanwhile, the first screw rod 420 is rotatably mounted on the base 100 by the cooperation of the first bearing shaft, the first coupler 450 and the first servo motor 410, so that the first screw rod 420 is reliably mounted.
In addition to any of the above embodiments, as shown in fig. 2 and 4, in an embodiment, the mounting portion 210 is slidably connected to the friction stir welding unit 300, and the friction stir welding apparatus further includes second driving units 500 corresponding to the friction stir welding unit 300 one to one, where the second driving units 500 are configured to drive the friction stir welding unit 300 to reciprocate along the vertical direction. Therefore, the second driving unit 500 can drive the friction stir welding unit 300 to move along the vertical direction, so that the workpieces 700 with different thicknesses can be welded, and the distance between the two friction stir welding units 300 can be adjusted according to the thickness of the workpiece 700 to be welded, so that the size of the welding part 302 can be adjusted.
This second drive unit 500 can select according to actual need, for example pneumatic cylinder, linear electric motor etc. can provide the equipment that directly provides flexible power, also can utilize rack and pinion mechanism + servo motor, or lead screw nut mechanism + servo motor to realize the flexible power of interval's provision.
In addition to the above embodiments, as shown in fig. 2, 4 and 5, in one embodiment, the mounting portion 210 is provided with a second slide rail 212, and the friction stir welding unit 300 is provided with a second slide block 312 slidably connected to the second slide rail 212. In this way, the sliding connection between the friction stir welding unit 300 and the mounting part 210 is realized by the cooperation of the second sliding block 312 and the second sliding rail 212, which is beneficial to ensuring the stability and the movement precision control of the reciprocating movement of the friction stir welding unit 300; meanwhile, the deviation caused by the reaction force of the workpiece 700 in the working process of the friction stir welding unit 300 can be avoided, and the welding quality can be ensured. Specifically, the second driving unit 500 provides power so that the friction stir welding unit 300 can precisely move by the cooperation of the second slider 312 and the second slide rail 212. In the actual manufacturing process, the second sliding block 312 and the second sliding rail 212 with different accuracies can be selected according to different requirements.
On the basis of the above embodiments, as shown in fig. 2 and fig. 4, in an embodiment, the second driving unit 500 includes a second servo motor 510, a second lead screw 520, and a second nut 530 in transmission fit with the second lead screw 520, an output end of the second servo motor 510 is in transmission connection with the second lead screw 520, and the second nut 530 is fixedly connected with the corresponding second slider 312 or the friction stir welding unit 300. Therefore, the second screw rod 520 can be driven to rotate only by utilizing the forward and reverse rotation of the second servo motor 510, and the second nut 530 is further controlled to drive the second slider 312 to reciprocate along the axis direction of the second screw rod 520, so that the reciprocating movement of the friction stir welding unit 300 is realized; meanwhile, the friction stir welding unit 300 can stop immediately after walking by utilizing the characteristic of a screw nut transmission structure, can bear the axial reaction force given by the workpiece 700, and is favorable for ensuring the welding quality. Specifically, the second servo motor 510 rotates forward, so that the second nut 530 drives the second slider 312 to move and drives the friction stir welding unit 300 to move to the start welding point, and the friction stir welding unit 300 acts to perform friction stir welding; after the welding is completed, the second servo motor 510 rotates reversely according to the preset rotating speed, so that the friction stir welding unit 300 moves back, and the workpiece 700 is taken out conveniently.
It can be understood that, when the two sides of the workpiece 700 to be welded are subjected to the downward pressing force of the upper friction stir welding unit 300 and simultaneously subjected to the upward pressing force of the lower friction stir welding unit 300, the two pressing forces can be offset with each other, which is beneficial to reducing the deformation of the workpiece 700 and improving the welding quality.
Based on the above embodiments, as shown in fig. 4, in an embodiment, the second driving unit 500 further includes a second mounting bracket 540, a second coupling 550 and a second bearing seat 560, the second mounting bracket 540 is fixed on the mounting portion 210, the second servo motor 510 is connected to one end of the second lead screw 520 through the second coupling 550, the other end of the second lead screw 520 is rotatably connected to the second bearing seat 560, and the second bearing seat 560 is fixed on the mounting portion 210. In this way, second servomotor 510 is mounted on mounting portion 210 by second mounting bracket 540, which facilitates mounting of second servomotor 510; meanwhile, the second lead screw 520 is rotatably mounted on the mounting portion 210 by the cooperation of the second bearing shaft with the second coupling 550 and the second servo motor 510, so that the second lead screw 520 is reliably mounted.
On the basis of any of the above-mentioned embodiments of the second slide rail 212, as shown in fig. 2 and fig. 5, in an embodiment, the friction stir welding unit 300 further includes a ram 310, a spindle motor 320, and a stirring head 330, the ram 310 is fixedly connected to the second slider 312, the spindle motor 320 is installed on the ram 310, and the spindle motor 320 drives the stirring head 330 to rotate. So, with spindle motor 320 and stirring head 330 integrated to the slide rail on, be convenient for carry out the modularization equipment, improve the packaging efficiency. Meanwhile, later maintenance and replacement are convenient.
In addition, as shown in fig. 6 and 7, when the apparatus is used, the rotation directions of the spindle motors 320 of the two friction stir welding units 300 are opposite, so that the torque forces of the stir heads 330 on the workpiece 700 can be mutually offset, so that the workpiece 700 cannot be easily twisted during the welding process, which is beneficial to reducing the fixture requirements on the worktable of the workpiece 700.
On the basis of the above embodiments, as shown in fig. 5, in an embodiment, the ram 310 is provided with a mounting groove 314, the friction stir welding unit 300 further includes a transmission unit 340 and a shielding cover 350, the transmission unit 340 is installed in the ram 310, the spindle motor 320 drives the stirring head 330 to rotate through the transmission unit 340, and the shielding cover 350 is matched with the mounting groove 314 to form a protection cavity. Therefore, the installation groove 314 and the shielding cover 350 form a protection cavity for protecting the transmission unit 340, so that the operation reliability of the transmission unit 340 is improved, and the influence of high temperature or liquid splashing in the welding process on the transmission unit 340 is favorably reduced.
The transmission unit 340 can be implemented by any transmission structure of the existing friction stir welding which meets the use requirements.
Specifically, in the present embodiment, the transmission unit 340 and the spindle motor 320 may also be connected by a coupling.
It should be noted that, equivalently, "some" or "some" may be a part corresponding to "a member", that is, "some" or "some" may be manufactured integrally with "another part of the member"; the "part" can be made separately from the "other part" and then combined with the "other part" into a whole. The expressions "a certain body" and "a certain part" in the present application are only one example, and are not intended to limit the scope of the present application for reading convenience, and the technical solutions equivalent to the present application should be understood as being included in the above features and having the same functions.
It should be noted that, equivalently, the components included in the "unit", "assembly", "mechanism" and "device" of the present application can also be flexibly combined, i.e., can be produced in a modularized manner according to actual needs, so as to facilitate the modularized assembly. The division of the above-mentioned components in the present application is only one example, which is convenient for reading and is not a limitation to the protection scope of the present application, and the same functions as the above-mentioned components should be understood as equivalent technical solutions in the present application.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to," "disposed on," "secured to," or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, when one element is considered as "fixed transmission connection" with another element, the two elements may be fixed in a detachable connection manner or in an undetachable connection manner, and power transmission can be achieved, such as sleeving, clamping, integrally-formed fixing, welding and the like, which can be achieved in the prior art, and is not cumbersome. When an element is perpendicular or nearly perpendicular to another element, it is desirable that the two elements are perpendicular, but some vertical error may exist due to manufacturing and assembly effects. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A friction stir welding apparatus comprising:
a base;
the movable seat is connected with the base in a sliding way and comprises two installation parts which are arranged at intervals along the vertical direction and an avoidance space which is arranged between the two installation parts,
the friction stir welding units are in one-to-one correspondence with the mounting parts, and the two friction stir welding units are matched to form a welding part; and
the first driving unit is used for driving the movable seat to reciprocate relative to the base.
2. The friction stir welding apparatus of claim 1 wherein the base has a first rail, and the movable mount has a first slider slidably coupled to the first rail.
3. The friction stir welding device of claim 2 wherein the first driving unit comprises a first servo motor, a first lead screw, and a first nut in transmission fit with the first lead screw, wherein an output end of the first servo motor is in transmission connection with the first lead screw, and the first nut is fixedly connected with the first sliding block or the movable base.
4. The friction stir welding device of claim 3, wherein the first driving unit further comprises a first mounting bracket, a first coupling and a first bearing seat, the first mounting bracket is fixedly arranged on the base, the first servo motor is fixedly arranged on the first mounting bracket, the first servo motor is connected with one end of the first lead screw through the first coupling, the other end of the first lead screw is rotatably connected with the first bearing seat, and the first bearing seat is fixedly arranged on the base.
5. The friction stir welding apparatus according to any one of claims 1 to 4 wherein the mounting portion is slidably connected to the friction stir welding unit, and the friction stir welding apparatus further comprises a second driving unit in one-to-one correspondence with the friction stir welding unit, the second driving unit being configured to drive the friction stir welding unit to reciprocate in a vertical direction.
6. The friction stir welding apparatus of claim 5 wherein the mounting portion is provided with a second slide rail and the friction stir welding unit is provided with a second slide block slidably connected to the second slide rail.
7. The friction stir welding device of claim 6 wherein the second driving unit comprises a second servo motor, a second lead screw, and a second nut in transmission fit with the second lead screw, wherein an output end of the second servo motor is in transmission connection with the second lead screw, and the second nut is fixedly connected with the corresponding second slider or the friction stir welding unit.
8. The friction stir welding apparatus according to claim 7, wherein the second driving unit further comprises a second mounting bracket, a second coupling, and a second bearing seat, the second mounting bracket is fixedly disposed on the mounting portion, the second servo motor is connected to one end of the second lead screw through the second coupling, the other end of the second lead screw is rotatably connected to the second bearing seat, and the second bearing seat is fixedly disposed on the mounting portion.
9. The friction stir welding apparatus of claim 6 wherein the friction stir welding unit further comprises a ram, a spindle motor, and a stir head, the ram being fixedly connected to the second slider, the spindle motor being mounted on the ram, the spindle motor driving the stir head to rotate.
10. The friction stir welding apparatus of claim 9 wherein the ram defines a mounting slot, the friction stir welding unit further comprises a transmission unit disposed within the ram and a shield cover, the spindle motor rotates the stir head via the transmission unit, and the shield cover cooperates with the mounting slot to define a shielded chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021407429.XU CN212734616U (en) | 2020-07-16 | 2020-07-16 | Friction stir welding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021407429.XU CN212734616U (en) | 2020-07-16 | 2020-07-16 | Friction stir welding device |
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| CN212734616U true CN212734616U (en) | 2021-03-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113331242A (en) * | 2021-05-19 | 2021-09-03 | 曹海平 | Whole convertible two-sided detection pork lymph remove device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113331242A (en) * | 2021-05-19 | 2021-09-03 | 曹海平 | Whole convertible two-sided detection pork lymph remove device |
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