CN214769646U

CN214769646U - Friction stir welding frock clamp

Info

Publication number: CN214769646U
Application number: CN202120796996.7U
Authority: CN
Inventors: 李�杰; 史洪源; 周鹏; 邵康宸; 樊浩
Original assignee: Xian Aeronautical Polytechnic Institute
Current assignee: Xian Aeronautical Polytechnic Institute
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-11-19
Anticipated expiration: 2031-04-19

Abstract

A friction stir welding tool clamp relates to the technical field of welding clamps; the left side and the right side of the bottom wall of the workbench are both fixedly provided with a supporting plate; the right end of the top wall of the workbench is fixedly connected with a right supporting rod, the upper end of the right supporting rod is fixedly connected with a right fixed block, the left side wall of the right fixed block is fixedly connected with a right connecting rod, the left end of the right connecting rod is fixedly connected with a right connecting block, the bottom wall of the right connecting block is fixedly connected with a right electric telescopic rod, the lower end of the right electric telescopic rod is fixedly connected with a right clamping plate, and the top wall of the workbench, which is positioned on the left side of the right supporting rod, is fixedly connected with a right supporting plate; the welding workpiece can be conveniently mounted and dismounted, the process of fixing the welding workpiece is simplified, and the working efficiency is improved.

Description

Friction stir welding frock clamp

Technical Field

The utility model relates to a welding jig technical field, concretely relates to friction stir welding frock clamp.

Background

The principle of the friction stir welding machine is the same as that of the conventional friction welding, friction stir welding also utilizes frictional heat and plastic deformation heat as a welding heat source, and the difference is that in the friction stir welding process, a cylindrical or other-shaped (such as a threaded cylinder) stirring needle extends into the joint of a workpiece, and the stirring needle is rubbed with the material of the welded workpiece through high-speed rotation of a welding head, so that the temperature of the material at the connecting part is increased and softened. Meanwhile, the materials are stirred and rubbed to finish welding; the welding tool fixture is used for fixing a workpiece and realizing the welding positioning of the workpiece, the existing welding fixture is simple in structure, the workpiece needs to be welded and disassembled manually, the process is complex, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a friction stir welding frock clamp reasonable in design, can conveniently install and dismantle welding workpiece, simplify the process of fixed welding workpiece, improve work efficiency.

In order to achieve the above purpose, the utility model adopts the following technical proposal: the device comprises a right fixed block, a right connecting rod, a right electric telescopic rod, a right connecting block, a supporting plate, a workbench, a right supporting plate, a right supporting rod and a right clamping plate; the left side and the right side of the bottom wall of the workbench are both fixedly provided with a supporting plate; the right end of the top wall of the workbench is fixedly connected with a right supporting rod, the upper end of the right supporting rod is fixedly connected with a right fixed block, the left side wall of the right fixed block is fixedly connected with a right connecting rod, the left end of the right connecting rod is fixedly connected with a right connecting block, the bottom wall of the right connecting block is fixedly connected with a right electric telescopic rod, the lower end of the right electric telescopic rod is fixedly connected with a right clamping plate, and the top wall of the workbench, which is positioned on the left side of the right supporting rod, is fixedly connected with a right supporting plate; the device also comprises a first guide rail, a right screw rod, a right nut block, a left supporting plate, a left electric telescopic rod, a first electric telescopic rod, a left fixed block, a left supporting rod, a left guide block, a left nut block and a left screw rod; a first double-head motor is fixedly connected to the right inner side wall of a left boss of the workbench, a right output end of the first double-head motor penetrates through the side wall of the workbench and is fixedly sleeved with a right screw rod, a right nut block is rotatably connected to the right screw rod, a left supporting plate is fixedly connected to the right nut block, and the right end of the right screw rod is rotatably connected into the right supporting plate through a bearing; a left screw rod is fixedly sleeved on the left output end of the first double-head motor, a left nut block is rotationally connected to the left screw rod, and a second connecting block is fixedly connected to the bottom surface of the left nut block; a first guide rail is fixedly arranged on the left side wall of the right supporting plate positioned below the right screw rod, a right screw nut block and a second connecting block are sequentially and movably sleeved on the first guide rail from right to left, and the left end of the first guide rail is fixedly connected to the left inner side wall of the workbench; the top surface of the left nut block is fixedly connected with a first connecting block, the left side of the top wall of the workbench is provided with a through hole, the first connecting block is movably arranged in the through hole, and the top surface of the first connecting block is fixedly connected with a left guide block; a plurality of first fixing plates are fixedly connected to the top wall of the left side of the workbench, a second guide rail is fixedly connected between the left first fixing plate and the right first fixing plate, and the left guide block is movably connected to the second guide rail; the top surface of the left guide block is fixedly connected with a left support rod, the upper end of the left support rod is fixedly connected with a left fixed block, the right side surface of the left fixed block is fixedly connected with a first electric telescopic rod, the right end of the first electric telescopic rod is fixedly connected with a left connecting block, the bottom surface of the left connecting block is fixedly connected with a left electric telescopic rod, and the lower end of the left electric telescopic rod is fixedly connected with a left clamping plate; the right electric telescopic rod, the first electric telescopic rod and the first double-head motor are externally connected with a power supply through wires.

Preferably, equal fixedly connected with slipmat No. one on the diapire of left splint and right splint, No. two slipmats of fixedly connected with on the diapire of backup pad.

Preferably, from last No. three bar grooves and the bar groove of having seted up down link up in proper order in the backup pad, No. two bar grooves have all been seted up in the backup pad that is located the bar groove left and right sides, be located No. two double-end motor of inner diapire left side fixedly connected with of workstation, No. two double-end motor's lower output passes behind the diapire of workstation, the cover is established and is fixed with the screw rod, swivelling joint has the screwed pipe on the screw rod, the lower extreme of screwed pipe has the limiting plate through bearing swivelling joint, the limiting plate activity sets up in a bar groove, the equal fixedly connected with stopper in the left and right sides of limiting plate, the stopper activity sets up in No. two bar grooves, the fixed universal wheel that is provided with on the bottom surface of limiting plate, No. two double-end motor passes through wire external power supply.

Preferably, a plurality of second fixing plates and a plurality of third fixing plates are fixedly arranged between the front inner side wall and the rear inner side wall of the workbench from left to right in sequence, a driving shaft is fixedly connected to the upper output end of the second double-headed motor, the driving shaft movably penetrates through the second fixing plate on the left side, a left rotating disc is fixedly sleeved on the driving shaft, and the left rotating disc is rotatably arranged between the second fixing plates on the left side; the driven shaft is movably arranged in the third fixing plate on the right side in a penetrating mode, the driven shaft is sleeved with the right rotary disc, the right rotary disc is movably arranged between the third fixing plates on the right side, the left rotary disc and the right rotary disc are connected through the belt, and the lower end of the driven shaft is fixedly connected with the upper end of the screw on the right side after penetrating through the bottom wall of the workbench.

Compared with the prior art, the beneficial effects of the utility model are that: a friction stir welding frock clamp, can conveniently install and dismantle welding workpiece, simplify fixed welding workpiece's process, improve work efficiency, the utility model has the advantages of it is reasonable to set up, the practicality is high.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is a sectional view taken along the line a-a in fig. 1.

Fig. 4 is an enlarged view of a portion B in fig. 2.

Fig. 5 is an enlarged view of a portion C in fig. 2.

Description of reference numerals:

the device comprises a right fixing block 1, a right connecting rod 2, a right electric telescopic rod 3, a right connecting block 4, a first guide rail 5, a right screw rod 6, a right nut block 7, a left supporting plate 8, a left electric telescopic rod 9, a left connecting block 10, a left clamping plate 11, a first anti-skid pad 12, a first electric telescopic rod 13, a left fixing block 14, a left supporting rod 15, a second guide rail 16, a left guide block 17, a first fixing plate 18, a second anti-skid pad 19, a supporting plate 20, a workbench 21, a right supporting plate 22, a right supporting rod 23, a right clamping plate 24, a first double-head motor 25, a second fixing plate 26, a left rotary disc 27, a driving shaft 28, a second double-head motor 29, a belt 30, a third fixing plate 31, a driven shaft 32, a first connecting block 33, a left nut block 34, a through hole 35, a left screw rod 36, a second connecting block 37, a screw rod 38, a threaded pipe 39, a first strip-shaped groove 40, a second strip-shaped groove 41, a limiting plate 42, a limiting block 43, a limiting block, Universal wheel 44, No. three bar groove 45, right carousel 46.

The specific implementation mode is as follows:

the technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

As shown in fig. 1 to 5, the following technical solutions are adopted in the present embodiment: the device comprises a right fixing block 1, a right connecting rod 2, a right electric telescopic rod 3, a right connecting block 4, a supporting plate 20, a workbench 21, a right supporting plate 22, a right supporting rod 23 and a right clamping plate 24; the left side and the right side of the bottom wall of the workbench 21 are respectively welded with a support plate 20, and a second non-slip mat 19 is fixedly glued on the bottom wall of the support plate 20; the right end of the top wall of the workbench 21 is riveted with a right supporting rod 23, the upper end of the right supporting rod 23 is riveted with a right fixed block 1, the left side wall of the right fixed block 1 is riveted with a right connecting rod 2, the left end of the right connecting rod 2 is riveted with a right connecting block 4, the bottom wall of the right connecting block 4 is riveted with a right electric telescopic rod 3, the lower end of the right electric telescopic rod 3 is riveted with a right clamping plate 24, and the top wall of the workbench 21, which is positioned on the left side of the right supporting rod 23, is fixedly connected with a right supporting plate 22; the device also comprises a first guide rail 5, a right screw rod 6, a right nut block 7, a left supporting plate 8, a left electric telescopic rod 9, a first electric telescopic rod 13, a left fixed block 14, a left support rod 15, a left guide block 17, a left nut block 34 and a left screw rod 36; a first double-head motor 25 is fixed on the right inner side wall of a left boss of the workbench 21 through a bolt and a support, a right output end of the first double-head motor 25 penetrates through the side wall of the workbench 21 and then is fixedly sleeved with a right screw rod 6, a right nut block 7 is rotatably connected onto the right screw rod 6, a left supporting plate 8 is welded onto the right nut block 7, and the right end of the right screw rod 6 is rotatably connected into a right supporting plate 22 through a bearing; a left screw rod 36 is fixedly sleeved on the left output end of the first double-head motor 25, a left nut block 34 is rotatably connected onto the left screw rod 36, and a second connecting block 37 is fixedly welded on the bottom surface of the left nut block 34; a first guide rail 5 is fixedly welded on the left side wall of the right supporting plate 22 positioned below the right screw rod 6, a right nut block 7 and a second connecting block 37 are sequentially movably sleeved on the first guide rail 5 from right to left, and the left end of the first guide rail 5 is fixedly welded on the left inner side wall of the workbench 21; a first connecting block 33 is fixedly welded on the top surface of the left nut block 34, a through hole 35 is formed in the left side of the top wall of the workbench 21, the first connecting block 33 is movably arranged in the through hole 35, and a left guide block 17 is welded on the top surface of the first connecting block 33; a plurality of first fixing plates 18 are welded on the top wall of the left side of the workbench 21, a second guide rail 16 is welded between the left first fixing plate 18 and the right first fixing plate 18, and a left guide block 17 is movably connected to the second guide rail 16; a left support rod 15 is riveted to the top surface of the left guide block 17 through a screw, a left fixing block 14 is riveted to the upper end of the left support rod 15 through a screw, a first electric telescopic rod 13 is riveted to the right side surface of the left fixing block 14 through a screw, a left connecting block 10 is riveted to the right end of the first electric telescopic rod 13 through a screw, a left electric telescopic rod 9 is riveted to the bottom surface of the left connecting block 10 through a screw, and a left clamping plate 11 is riveted to the lower end of the left electric telescopic rod 9 through a screw; the first anti-skid pads 12 are fixed on the bottom walls of the left clamping plate 11 and the right clamping plate 24 in an adhesive manner; a third strip-shaped groove 45 and a first strip-shaped groove 40 are sequentially formed in the support plate 20 in a penetrating manner from top to bottom, a second strip-shaped groove 41 is formed in the support plate 20 on the left side and the right side of the first strip-shaped groove 40, a second double-head motor 29 is fixed on the left side of the inner bottom wall of the workbench 21 through bolts and a support, a screw 38 is fixedly sleeved on the lower output end of the second double-head motor 29 after penetrating through the bottom wall of the workbench 21, a threaded pipe 39 is rotatably connected onto the screw 38, the lower end of the threaded pipe 39 is rotatably connected with a limiting plate 42 through a bearing, the limiting plate 42 is movably arranged in the first strip-shaped groove 40, limiting blocks 43 are welded on the left side and the right side of the limiting plate 42, the limiting blocks 43 are movably arranged in the second strip-shaped groove 41, and universal wheels 44 are welded on the bottom surface of the limiting plate 42; a plurality of second fixing plates 26 and third fixing plates 31 are fixedly arranged between the front inner side wall and the rear inner side wall of the workbench 21 from left to right in sequence, the upper output end of a second double-head motor 29 is connected with a driving shaft 28 through a coupler, the driving shaft 28 is movably arranged in the left second fixing plate 26 in a penetrating manner, a left rotary disc 27 is fixedly sleeved on the driving shaft 28, and the left rotary disc 27 is rotatably arranged between the left second fixing plates 26; a driven shaft 32 is movably arranged in the third fixing plate 31 on the right side in a penetrating manner, a right rotating disc 46 is fixedly sleeved on the driven shaft 32, the right rotating disc 46 is movably arranged between the third fixing plates 31 on the right side, the left rotating disc 27 is connected with the right rotating disc 46 through a belt 30, and the lower end of the driven shaft 32 penetrates through the bottom wall of the workbench 21 and then is welded with the upper end of the screw 38 on the right side; the right electric telescopic rod 3, the left electric telescopic rod 9 and the first electric telescopic rod 13 are all smr-300 in model number; the models of the first double-head motor 25 and the second double-head motor 29 are both HYX-3475D 24; the right electric telescopic rod 3, the left electric telescopic rod 9, the first electric telescopic rod 13, the first double-head motor 25 and the second double-head motor 29 are externally connected with a power supply through wires.

The working principle of the specific embodiment is as follows: when friction stir welding is required, a workpiece to be welded is placed on the right supporting plate 22, the right electric telescopic rod 3 is started, and the right electric telescopic rod 3 drives the right clamping plate 24 and the first anti-skid pad 12 to clamp the workpiece; the other workpiece is placed on the left supporting plate 8, the left electric telescopic rod 9 is opened, the left electric telescopic rod 9 drives the left clamping plate 11 and the first anti-slip mat 12 to clamp the workpiece, when the workpiece needs to be replaced or detached, the left clamping plate 11 and the right clamping plate 24 are lifted up respectively through the left electric telescopic rod 9 and the right electric telescopic rod 3, and therefore replacement or detachment can be achieved conveniently and simply; the clamping position of the workpiece can be adjusted by opening the first electric telescopic rod 13, so that the production requirements of different welding positions are met; when two workpieces are clamped, the first double-head motor 25 is started, the right output end of the first double-head motor 25 drives the right nut block 7 to rotate, the right nut block 7 moves rightwards under the limitation of the first guide rail 5, and the right nut block 7 drives the left supporting plate 8 on the right nut block to move rightwards; the left output end of the first double-end motor 25 drives the left screw rod 36 to rotate, the left screw rod 36 drives the left screw block 34 to move rightwards, the left screw block 34 drives the first connecting block 33 to move rightwards, the first connecting block 33 drives the left guide block 17 to slide rightwards on the second guide rail 16, the left guide block 17 drives the left support rod 15 to move rightwards, and finally the left clamping plate 11 is driven to move rightwards, so that the left supporting plate 8, the left clamping plate 11 and the first anti-skid pad 12 are synchronously moved rightwards, when the left supporting plate 8 is in contact with the right supporting plate 22, the first double-end motor 25 is turned off, and welding operation can be carried out; when the workpiece is inconvenient to move, the clamp needs to be moved to the position near the workpiece, the second double-head motor 29 is started, the upper output end of the second double-head motor 29 drives the driving shaft 28 to rotate, the driving shaft 28 drives the left turntable 27 to rotate, the left turntable 27 drives the third fixing plate 31 to rotate through the belt 30, and the third fixing plate 31 drives the driven shaft 32 to rotate; the lower output end of the second double-headed motor 29 and the driven shaft 32 simultaneously drive the screw rods 38 at the lower ends of the second double-headed motor to rotate, the screw rods 38 drive the threaded pipes 39 on the screw rods 38 to rotate and move downwards, the threaded pipes 39 drive the limiting plates 42 to move downwards, the limiting blocks 43 at the left side and the right side of the limiting plates 42 move downwards along the second strip-shaped grooves 41, the limiting plates 42 finally drive the universal wheels 44 to move out of the supporting plate 20, the second double-headed motor 29 is closed after the universal wheels 44 are completely moved out, and the fixture can be moved to the side of a workpiece for welding.

After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:

1. the first anti-slip mat 12 and the second anti-slip mat 19 are arranged, so that the anti-slip effect is achieved, and the stability in the welding process is improved;

2. through the arrangement of the right electric telescopic rod 3, the first guide rail 5, the right screw rod 6, the right nut block 7, the left supporting plate 8, the left electric telescopic rod 9, the left clamping plate 11, the first electric telescopic rod 13, the second guide rail 16, the left guide block 17, the first connecting block 33, the left nut block 34, the left screw rod 36 and the second connecting block 37, the workpiece is convenient to fix, disassemble and adjust in position, and the workpiece is also convenient to move;

3. through setting up No. two fixed plates 26, left carousel 27, driving shaft 28, No. two double-end motor 29, belt 30, right carousel 31, driven shaft 32, screw rod 38, screwed pipe 39, No. one bar groove 40, No. two bar grooves 41, limiting plate 42, stopper 43 and universal wheel 44, can realize the lift of universal wheel 44, convenient the removal, practice thrift the space when not using.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A friction stir welding tool clamp comprises a right fixed block (1), a right connecting rod (2), a right electric telescopic rod (3), a right connecting block (4), a supporting plate (20), a workbench (21), a right supporting plate (22), a right supporting rod (23) and a right clamping plate (24); the left side and the right side of the bottom wall of the workbench (21) are both fixedly provided with a support plate (20); the right end of the top wall of the workbench (21) is fixedly connected with a right supporting rod (23), the upper end of the right supporting rod (23) is fixedly connected with a right fixed block (1), the left side wall of the right fixed block (1) is fixedly connected with a right connecting rod (2), the left end of the right connecting rod (2) is fixedly connected with a right connecting block (4), the bottom wall of the right connecting block (4) is fixedly connected with a right electric telescopic rod (3), the lower end of the right electric telescopic rod (3) is fixedly connected with a right clamping plate (24), and the top wall of the workbench (21) positioned on the left side of the right supporting rod (23) is fixedly connected with a right supporting plate (22); the method is characterized in that: the device also comprises a first guide rail (5), a right screw rod (6), a right nut block (7), a left supporting plate (8), a left electric telescopic rod (9), a first electric telescopic rod (13), a left fixed block (14), a left supporting rod (15), a left guide block (17), a left nut block (34) and a left screw rod (36); a first double-head motor (25) is fixedly connected to the right inner side wall of a left boss of the workbench (21), a right output end of the first double-head motor (25) penetrates through the side wall of the workbench (21) and is fixedly sleeved with a right screw rod (6), a right nut block (7) is rotatably connected to the right screw rod (6), a left supporting plate (8) is fixedly connected to the right nut block (7), and the right end of the right screw rod (6) is rotatably connected to the right supporting plate (22) through a bearing; a left screw rod (36) is fixedly sleeved on the left output end of the first double-head motor (25), a left nut block (34) is rotatably connected onto the left screw rod (36), and a second connecting block (37) is fixedly connected onto the bottom surface of the left nut block (34); a first guide rail (5) is fixedly arranged on the left side wall of a right supporting plate (22) positioned below the right screw rod (6), a right screw block (7) and a second connecting block (37) are sequentially and movably sleeved on the first guide rail (5) from right to left, and the left end of the first guide rail (5) is fixedly connected to the left inner side wall of the workbench (21); a first connecting block (33) is fixedly connected to the top surface of the left nut block (34), a through hole (35) is formed in the left side of the top wall of the workbench (21), the first connecting block (33) is movably arranged in the through hole (35), and a left guide block (17) is fixedly connected to the top surface of the first connecting block (33); a plurality of first fixing plates (18) are fixedly connected to the top wall of the left side of the workbench (21), a second guide rail (16) is fixedly connected between the left first fixing plate (18) and the right first fixing plate (18), and a left guide block (17) is movably connected to the second guide rail (16); a left supporting rod (15) is fixedly connected to the top surface of the left guide block (17), a left fixing block (14) is fixedly connected to the upper end of the left supporting rod (15), a first electric telescopic rod (13) is fixedly connected to the right side surface of the left fixing block (14), a left connecting block (10) is fixedly connected to the right end of the first electric telescopic rod (13), a left electric telescopic rod (9) is fixedly connected to the bottom surface of the left connecting block (10), and a left clamping plate (11) is fixedly connected to the lower end of the left electric telescopic rod (9); the right electric telescopic rod (3), the first electric telescopic rod (13) and the first double-head motor (25) are externally connected with a power supply through wires.

2. The friction stir welding tooling fixture of claim 1, wherein: the bottom walls of the left clamping plate (11) and the right clamping plate (24) are fixedly connected with a first non-slip mat (12), and the bottom wall of the supporting plate (20) is fixedly connected with a second non-slip mat (19).

3. The friction stir welding tooling fixture of claim 1, wherein: a third strip-shaped groove (45) and a first strip-shaped groove (40) are sequentially arranged in the support plate (20) from top to bottom in a penetrating manner, a second strip-shaped groove (41) is respectively arranged in the support plate (20) positioned at the left side and the right side of the first strip-shaped groove (40), a second double-head motor (29) is fixedly connected to the left side of the inner bottom wall of the workbench (21), a lower output end of the second double-head motor (29) penetrates through the bottom wall of the workbench (21) and is fixedly sleeved with a screw rod (38), a threaded pipe (39) is rotatably connected onto the screw rod (38), a limiting plate (42) is rotatably connected to the lower end of the threaded pipe (39) through a bearing, the limiting plate (42) is movably arranged in the first strip-shaped groove (40), limiting blocks (43) are fixedly connected to the left side and the right side of the limiting plate (42), the limiting blocks (43) are movably arranged in the second strip-shaped groove (41), and universal wheels (44) are fixedly arranged on the bottom surface of the limiting plate (42), the second double-end motor (29) is externally connected with a power supply through a wire.

4. The friction stir welding tooling fixture of claim 3, wherein: a plurality of second fixing plates (26) and third fixing plates (31) are fixedly arranged between the front inner side wall and the rear inner side wall of the workbench (21) from left to right in sequence, a driving shaft (28) is fixedly connected to the upper output end of a second double-head motor (29), the driving shaft (28) is movably arranged in the second fixing plate (26) on the left in a penetrating manner, a left turntable (27) is fixedly sleeved on the driving shaft (28), and the left turntable (27) is rotatably arranged between the second fixing plates (26) on the left; a driven shaft (32) penetrates through the third fixing plate (31) on the right side in a movable mode, a right rotary disc (46) is fixedly arranged on the driven shaft (32) in a sleeved mode, the right rotary disc (46) is movably arranged between the third fixing plates (31) on the right side, a left rotary disc (27) is connected with the right rotary disc (46) through a belt (30), and the lower end of the driven shaft (32) is fixedly connected with the upper end of a screw rod (38) on the right side after penetrating through the bottom wall of a workbench (21).