CN216802077U

CN216802077U - Gantry stirring friction welding machine tool

Info

Publication number: CN216802077U
Application number: CN202122825903.1U
Authority: CN
Inventors: 刘建国; 李继忠; 张标
Original assignee: Fosway Technology Jiashan Co ltd
Current assignee: Fosway Technology Jiashan Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-06-24
Anticipated expiration: 2031-11-17

Abstract

The utility model relates to the field of welding devices, in particular to a gantry friction stir welding machine tool which comprises a base, a controller, a sliding table, a clamping mechanism, a welding mechanism and an adjusting mechanism, wherein the top of the base is fixedly provided with a sliding seat, the top of the sliding table is fixedly provided with a processing table, the clamping mechanism comprises a propping assembly and two pressing blocks, the adjusting mechanism comprises a driving assembly and a sliding plate, the welding mechanism is arranged on the outer wall of the sliding plate, the welding mechanism comprises a stirring head and a lifting assembly, the outer wall of the sliding plate is fixedly provided with a protective cover, the lifting assembly is arranged in the protective cover, the stirring head is inserted at the bottom of the protective cover, and the propping assembly, the driving assembly and the lifting assembly are electrically connected with the controller. The flexibility is strong.

Description

Gantry stirring friction welding machine tool

Technical Field

The utility model relates to the field of welding devices, in particular to a gantry friction stir welding machine tool.

Background

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

The existing gantry friction stir welding device has the following defects:

1. the inserting depth of the stirring head can not be adjusted according to the material quality of the workpiece, so that the depth of a welding line can not be adjusted, and the workpiece is not protected.

2. The workpiece is usually welded at a transverse welding interface, so that the welding work of a longitudinal welding interface cannot be realized, and the flexibility needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gantry friction stir welding machine tool.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the gantry friction stir welding machine tool comprises a base, a controller, a sliding table, a clamping mechanism, a welding mechanism and an adjusting mechanism, wherein the sliding table is fixedly arranged at the top of the base and is arranged at the top of the sliding table, a machining table is fixedly arranged at the top of the sliding table, the clamping mechanism is arranged at the top of the machining table and comprises a pressing component and two pressing blocks, the two pressing blocks are symmetrically arranged at the top of the machining table and are arranged beside the two pressing blocks, the top of the base is symmetrically provided with two upright posts, a cross beam is fixedly arranged between the two upright posts, the adjusting mechanism is arranged on the inner wall of the cross beam and comprises a driving component and a sliding plate, the sliding plate is arranged on the outer wall of the cross beam in a sliding manner, the driving component is arranged inside the cross beam, the welding mechanism is arranged on the outer wall of the sliding plate and comprises a stirring head and a lifting component, and a protective cover is fixedly arranged on the outer wall of the sliding plate, the lifting assembly is arranged in the protective cover, the stirring head is inserted in the bottom of the protective cover, and the abutting assembly, the driving assembly, the lifting assembly and the controller are all electrically connected.

Preferably, the lifting assembly comprises a long shaft cylinder and a lifting plate, two supporting plates are symmetrically arranged on the outer wall of one end, away from the cross beam, of the sliding plate, the long shaft cylinder is inserted into the bottom of one of the supporting plates, the lifting plate is fixedly arranged on the output end of the lifting plate, and the lifting cylinder is electrically connected with the controller.

Preferably, a guide rod is fixedly arranged between the two supporting plates, a buffer spring is sleeved on the outer wall of the guide rod, and the lifting plate is inserted into the guide rod.

Preferably, the driving assembly comprises a stepping motor, a first gear and a second gear, two mounting plates are symmetrically arranged on the inner wall of the cross beam, the stepping motor is inserted into the bottom of one of the mounting plates, the first gear is sleeved on the output end of the first gear, the second gear is rotatably arranged between the two mounting plates, a rack is fixedly arranged on the outer wall of one end, close to the second gear, of the sliding plate, the first gear and the rack are meshed with the second gear and are connected, the first gear is smaller than the second gear, and the stepping motor is electrically connected with the controller.

Preferably, support tight subassembly and include the unipolar cylinder and support tight board, the fixed top of establishing at the processing platform of unipolar cylinder supports tight board and fixes establishing on its output, and the top of processing platform is the symmetry and is provided with four spacing bolts.

Preferably, the bottom of each pressing block is fixedly provided with an adjusting screw, each adjusting screw is in threaded connection with the top of the processing table, and a plurality of adjusting screw holes are formed in the top of the processing table at equal intervals.

Preferably, the inside of protection casing is vertical and is equipped with driving motor, and fixed the being equipped with mount pad on its output, stirring head and mount pad fixed connection, driving motor and the bottom fixed connection of lifter plate, driving motor is connected with the controller electricity.

Preferably, the top of the mounting seat is fixedly provided with a connecting shaft, and the output end of the driving motor is fixedly connected with the connecting shaft through a coupling.

The utility model has the beneficial effects that:

1. according to the utility model, through designing the lifting assembly and the buffer spring, the buffer spring plays a role in buffering when the stirring head descends, so that the stirring head can be ensured to descend slowly at a constant speed, on one hand, the effect of protecting the stirring head is achieved, the service life of the stirring head is further prolonged, on the other hand, different insertion depths of the stirring head can be realized, so that welding seams with different depths are ensured to be welded, the welding requirements of workpieces with different wall thicknesses are met, the workpieces are prevented from being damaged, and the effect of protecting finished products is further achieved.

2. According to the utility model, the adjusting mechanism, namely the driving assembly and the sliding plate, is designed, and the driving assembly is started through the controller, so that the sliding plate drives the stirring to longitudinally slide, and the workpiece is welded, thereby meeting the welding requirements of welding interfaces on the surface of the workpiece in different directions, improving the flexibility of the machine tool.

3. According to the utility model, through designing the clamping mechanism, namely the abutting assembly and the two pressing blocks, four limiting bolts and a plurality of adjusting screw holes are simultaneously designed, the adjusting screw rod is designed at the bottom of each pressing block, the pressing block can adjust the height of the pressing block through the adjusting screw rod, so that the pressing of workpieces with different thicknesses is met, the plurality of adjusting screw holes are used for adjusting the installation positions of the two pressing blocks and the four limiting bolts, and further the abutting plate is matched to meet the fixing requirements of workpieces with different lengths and widths, so that the welding requirements of workpieces with different sizes are met, tools can be prevented from shaking in the welding process, and the smooth operation of welding is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a cross-sectional view of the shield and cross-beam of the present invention;

FIG. 4 is an enlarged view of FIG. 3 at B;

FIG. 5 is a schematic perspective view of the slide carriage, the slide table and the processing table of the present invention;

FIG. 6 is an enlarged view at C of FIG. 5;

in the figure: the device comprises a controller 1, a sliding table 2, a clamping mechanism 3, a welding mechanism 4, an adjusting mechanism 5, a sliding seat 6, a machining table 7, a pressing component 8, a pressing block 9, a cross beam 10, a driving component 11, a sliding plate 12, a stirring head 13, a lifting component 14, a long-axis cylinder 15, a lifting plate 16, a buffer spring 17, a stepping motor 18, a first gear 19, a second gear 20, a rack 21, a single-axis cylinder 22, a pressing plate 23, a limiting bolt 24, an adjusting screw 25, a driving motor 26 and a mounting seat 27.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.

Referring to fig. 1 to 6, a gantry friction stir welding machine tool comprises a base, a controller 1, a sliding table 2, a clamping mechanism 3, a welding mechanism 4 and an adjusting mechanism 5, wherein the sliding table 6 is fixedly arranged at the top of the base, the sliding table 2 is arranged at the top of the sliding table 6, a processing table 7 is fixedly arranged at the top of the sliding table 2, the clamping mechanism 3 is arranged at the top of the processing table 7, the clamping mechanism 3 comprises a pressing component 8 and two pressing blocks 9, the two pressing blocks 9 are symmetrically arranged at the top of the processing table 7, the pressing component 8 is arranged at the sides of the two pressing blocks 9, the top of the base is symmetrically provided with two upright posts, a cross beam 10 is fixedly arranged between the two upright posts, the adjusting mechanism 5 is arranged on the inner wall of the cross beam 10, the adjusting mechanism 5 comprises a driving component 11 and a sliding plate 12, the sliding plate 12 is slidably arranged on the outer wall of the cross beam 10, the driving component 11 is arranged inside the cross beam 10, the welding mechanism 4 is arranged on the outer wall of the sliding plate 12, welding mechanism 4 includes stirring head 13 and lifting unit 14, fixedly on the outer wall of slide 12 is equipped with the protection casing, and lifting unit 14 establishes the inside at the protection casing, and stirring head 13 inserts the bottom of establishing the protection casing, and support tight subassembly 8, drive assembly 11 and lifting unit 14 and controller 1 and be electric connection.

Lifting unit 14 includes major axis cylinder 15 and lifter plate 16, it is the symmetry and is provided with two backup pads on the one end outer wall that crossbeam 10 was kept away from to slide 12, major axis cylinder 15 inserts the bottom of establishing in one of them backup pad, lifter plate 16 is fixed to be established on its output, the lift cylinder is connected with controller 1 electricity, after two work pieces were thoroughly fixed, slide the work piece to the below of stirring head 13 through slip table 2, start major axis cylinder 15 through controller 1, thereby make its output shrink, because lifter plate 16 and major axis cylinder 15's output fixed connection, therefore drive lifter plate 16 and stretch out downwards.

Fixed being equipped with the guide arm between two backup pads, the cover is equipped with buffer spring 17 on the outer wall of guide arm, lifter plate 16 is pegged graft with the guide arm, buffer spring 17 plays the cushioning effect when stirring head 13 descends, can guarantee that it descends at the uniform velocity slowly, play the effect of protection stirring head 13 on the one hand, and then be favorable to bringing forward its life, on the other hand, can realize the different depth of insertion of stirring head 13, therefore guarantee to weld the welding seam of the different degree of depth, satisfy the welding requirement of the work piece of different wall thicknesses, prevent to damage the work piece, and then play the off-the-shelf effect of protection.

The driving component 11 comprises a stepping motor 18, a first gear 19 and a second gear 20, two mounting plates are symmetrically arranged on the inner wall of the cross beam 10, the stepping motor 18 is inserted at the bottom of one of the mounting plates, the first gear 19 is sleeved on the output end of the first gear, the second gear 20 is rotatably arranged between the two mounting plates, a rack 21 is fixedly arranged on the outer wall of one end of the sliding plate 12 close to the second gear 20, the first gear 19 and the rack 21 are both meshed with the second gear 20, the first gear 19 is smaller than the second gear 20, the stepping motor 18 is electrically connected with the controller 1, when the requirement of longitudinal welding is met, the sliding table 2 is powered off after a workpiece slides to the position below the welding head, then the stepping motor 18 is started through the controller 1, so that the first gear 19 is driven to rotate through the output end of the controller, the stirring head 13 is arranged on the sliding plate 12, and the sliding plate 12 is in sliding connection with the cross beam 10, slide 12 and rack 21 fixed connection, again because second gear 20 rotates the design, first gear 19 and rack 21 all are connected with the meshing of second gear 20, and then drive stirring head 13 longitudinal sliding, weld the work piece, design first gear 19 to be less than second gear 20, be in order to guarantee that the welding process goes on at the uniform velocity, and then guarantee that the welding process is careful inseparable, are favorable to promoting the welding quality of work piece.

The tight subassembly 8 that supports includes unipolar cylinder 22 and supports tight board 23, unipolar cylinder 22 is fixed to be established at the top of processing platform 7, support tight board 23 and fix and establish on its output, the top of processing platform 7 is the symmetry and is provided with four spacing bolts 24, when carrying out the welded fastening of two work pieces, at first place two work pieces in closing tight state between supporting tight board 23 and two briquetting 9, then start unipolar cylinder 22 through controller 1, thereby make its output stretch out, and then drive the outer wall of supporting tight board 23 case one of them work piece and stretch out, until rather than the outer wall laminating, then can insert four spacing bolts 24 and establish around two work pieces, and then through supporting tight board 23, two briquetting 9 and four spacing bolts 24 thoroughly fix two work pieces, make the two tightly laminate.

The bottom of every briquetting 9 is all fixed and is equipped with adjusting screw 25, every adjusting screw 25 all with the top threaded connection of processing platform 7, the top of processing platform 7 is equidistant to be provided with a plurality of and adjusts the screw, briquetting 9 accessible adjusting screw 25 adjusts its self height, thereby satisfy compressing tightly of the work piece of different thickness, a plurality of adjusts the screw and then is used for adjusting two compact heap and four limit bolt 24's mounted position, and then the cooperation supports the fixed requirement that tight board 23 satisfied the work piece of different length and width, and then satisfy the welding requirement of the work piece of different sizes.

The inside of protection casing is vertical driving motor 26 that is equipped with, the fixed mount pad 27 that is equipped with on its output, stirring head 13 and mount pad 27 fixed connection, driving motor 26 and lifter plate 16's bottom fixed connection, driving motor 26 is connected with 1 electricity of controller, when lifter plate 16 stretches out downwards, because stirring head 13 passes through mount pad 27 fixed connection with driving motor 26's output, and then drive stirring head 13 and be close to the laminating department that is close to two work pieces, when stirring head 13 inserts laminating department, start driving motor 26 through controller 1, and then it is rotatory to drive stirring head 13, rethread slip table 2 drives two work piece horizontal slip, the rotatory stirring head 13 of cooperation carries out friction stir welding to two work pieces, and then weld two work pieces as an organic whole.

The fixed connecting axle that is equipped with in top of mount pad 27, driving motor 26's output passes through shaft joint fixed connection with the connecting axle, and the connecting axle plays the effect of connecting driving motor 26's output shaft and mount pad 27 to guarantee that stirring head 13 operates smoothly.

The working principle of the utility model is as follows: when carrying out the welded fastening of two work pieces, at first place two work pieces in order to close tight state between resisting tight board 23 and two briquetting 9, then start unipolar cylinder 22 through controller 1 to make its output stretch out, and then drive and support the outer wall of tight board 23 case one of them work piece and stretch out, until laminating rather than the outer wall, then can insert four spacing bolt 24 and establish around two work pieces, and then thoroughly fix two work pieces through resisting tight board 23, two briquetting 9 and four spacing bolt 24, make the two tightly laminate.

Briquetting 9 accessible adjusting screw 25 adjusts its self height to satisfy compressing tightly of the work piece of different thickness, a plurality of regulation screw then is used for adjusting two compact lumps and four spacing bolt 24's mounted position, and then the cooperation supports the fixed requirement that tight board 23 satisfied the work piece of different length and width, and then satisfies the welding requirement of the work piece of different sizes.

After two work pieces are thoroughly fixed, slide the work piece to the below of stirring head 13 through slip table 2, start major axis cylinder 15 through controller 1 to make its output shrink, because the output fixed connection of lifter plate 16 and major axis cylinder 15, therefore drive lifter plate 16 and stretch out downwards.

When the lifter plate 16 stretches out downwards, because the output of agitator head 13 and driving motor 26 passes through mount pad 27 fixed connection, and then drive agitator head 13 and be close to the laminating department that is close to two work pieces, when agitator head 13 inserts laminating department, start driving motor 26 through controller 1, and then it is rotatory to drive agitator head 13, rethread slip table 2 drives two work pieces horizontal slip, the rotatory agitator head 13 of cooperation carries out friction stir welding to two work pieces, and then welds two work pieces as an organic whole.

Buffer spring 17 plays the cushioning effect when stirring head 13 descends, can guarantee that it descends slowly at the uniform velocity, plays the effect of protection stirring head 13 on the one hand, and then is favorable to improving its life, and on the other hand can realize the different insertion depth of stirring head 13, therefore guarantees to weld the welding seam of the different degree of depth, satisfies the welding requirement of the work piece of different wall thicknesses, prevents to damage the work piece, and then plays the effect of protection off-the-shelf.

When meeting the requirement of longitudinal welding, the sliding table 2 is powered off after a workpiece slides to the lower part of the welding head, then the stepping motor 18 is started through the controller 1, so that the first gear 19 is driven to rotate through the output end of the stepping motor, the stirring head 13 is arranged on the sliding plate 12, the sliding plate 12 is in sliding connection with the cross beam 10, the sliding plate 12 is fixedly connected with the rack 21, and because of the rotary design of the second gear 20, the first gear 19 and the rack 21 are both meshed with the second gear 20 to be connected, further, the stirring head 13 is driven to longitudinally slide to weld the workpiece, the first gear 19 is designed to be smaller than the second gear 20, so as to ensure the uniform speed of the welding process, further, the tightness of the welding process is ensured, and the welding quality of the workpiece is favorably improved.

Claims

1. The utility model provides a longmen friction stir welding lathe, includes the base, its characterized in that: the device is characterized by further comprising a controller (1), a sliding table (2), a clamping mechanism (3), a welding mechanism (4) and an adjusting mechanism (5), wherein a sliding seat (6) is fixedly arranged at the top of the base, the sliding table (2) is arranged at the top of the sliding seat (6), a processing table (7) is fixedly arranged at the top of the sliding table (2), the clamping mechanism (3) is arranged at the top of the processing table (7), the clamping mechanism (3) comprises a pressing component (8) and two pressing blocks (9), the two pressing blocks (9) are symmetrically arranged at the top of the processing table (7), the pressing component (8) is arranged beside the two pressing blocks (9), two upright posts are symmetrically arranged at the top of the base, a cross beam (10) is fixedly arranged between the two upright posts, the adjusting mechanism (5) is arranged on the inner wall of the cross beam (10), the adjusting mechanism (5) comprises a driving component (11) and a sliding plate (12), the sliding plate (12) is arranged on the outer wall of the cross beam (10) in a sliding manner, the inside at crossbeam (10) is established in drive assembly (11), establish on the outer wall of slide (12) welding mechanism (4), welding mechanism (4) are including stirring head (13) and lifting unit (14), the fixed protection casing that is equipped with on the outer wall of slide (12), lifting unit (14) are established in the inside of protection casing, stirring head (13) are inserted and are established the bottom of protection casing, support tight subassembly (8), drive assembly (11) and lifting unit (14) are electric connection with controller (1).

2. The gantry friction stir welding machine tool according to claim 1, wherein: the lifting assembly (14) comprises a long shaft cylinder (15) and a lifting plate (16), two supporting plates are symmetrically arranged on the outer wall of one end, away from the cross beam (10), of the sliding plate (12), the long shaft cylinder (15) is inserted into the bottom of one of the supporting plates, the lifting plate (16) is fixedly arranged on the output end of the lifting plate, and the lifting cylinder is electrically connected with the controller (1).

3. The gantry friction stir welding machine tool according to claim 2, wherein: a guide rod is fixedly arranged between the two supporting plates, a buffer spring (17) is sleeved on the outer wall of the guide rod, and the lifting plate (16) is inserted into the guide rod.

4. The gantry friction stir welding machine tool according to claim 3, wherein: drive assembly (11) includes step motor (18), first gear (19) and second gear (20), it is the symmetry on the inner wall of crossbeam (10) and is provided with two mounting panels, step motor (18) are inserted and are established the bottom at one of them mounting panel, first gear (19) cover is established on its output, the rotatable setting of second gear (20) is between two mounting panels, fixed rack (21) that is equipped with on slide (12) the one end outer wall that is close to second gear (20), first gear (19) and rack (21) all are connected with second gear (20) meshing, and first gear (19) are less than second gear (20), step motor (18) are connected with controller (1) electricity.

5. The gantry friction stir welding machine tool according to claim 4, wherein: the tight component (8) comprises a single-shaft cylinder (22) and a tight plate (23), the single-shaft cylinder (22) is fixedly arranged at the top of the processing table (7), the tight plate (23) is fixedly arranged at the output end of the processing table, and four limit bolts (24) are symmetrically arranged at the top of the processing table (7).

6. The gantry friction stir welding machine tool according to claim 5, wherein: the bottom of each pressing block (9) is fixedly provided with an adjusting screw rod (25), each adjusting screw rod (25) is in threaded connection with the top of the processing table (7), and a plurality of adjusting screw holes are formed in the top of the processing table (7) at equal intervals.

7. The gantry friction stir welding machine tool according to claim 6, wherein: the inside of protection casing is vertical and is equipped with driving motor (26), and fixed mount pad (27) that are equipped with on its output, stirring head (13) and mount pad (27) fixed connection, driving motor (26) and the bottom fixed connection of lifter plate (16), and driving motor (26) are connected with controller (1) electricity.

8. The gantry friction stir welding machine according to claim 7, wherein: the top of the mounting seat (27) is fixedly provided with a connecting shaft, and the output end of the driving motor (26) is fixedly connected with the connecting shaft through a coupling.