CN216632993U

CN216632993U - Small-size friction stir welding equipment

Info

Publication number: CN216632993U
Application number: CN202123152025.8U
Authority: CN
Inventors: 晏军
Original assignee: Dongguan Zhigu Photoelectric Technology Co ltd
Current assignee: Dongguan Zhigu Photoelectric Technology Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-05-31
Anticipated expiration: 2031-12-15

Abstract

The utility model belongs to the field of friction stir welding, and provides small friction stir welding equipment which comprises a base, a friction stir welding support, a mounting steel plate and a plurality of clamping mechanisms, wherein the friction stir welding support is fixedly arranged on the base, the mounting steel plate is slidably arranged on the base through a servo motor and is positioned below a friction stir welding cutter bar, the clamping mechanisms are arranged on the mounting steel plate and are close to the edge of the mounting steel plate, each clamping mechanism comprises a clamping block, a hydraulic cylinder and an adjusting component, the clamping block is connected with the mounting steel plate through the adjusting component, a clamping groove for mounting a workpiece to be welded is formed between the clamping block and the mounting steel plate, the hydraulic cylinder is arranged on one side, close to the clamping groove, of the clamping block, and the telescopic end of the hydraulic cylinder is abutted to the workpiece to be welded. According to the utility model, through the arrangement of the clamping block, the hydraulic cylinder and the adjusting component, the vertical and horizontal limiting of the workpiece to be welded can be realized, the workpiece is prevented from rotating and deviating, and meanwhile, the welding of workpieces with different widths can be met.

Description

Small-size friction stir welding equipment

Technical Field

The utility model relates to the field of friction stir welding, in particular to small friction stir welding equipment.

Background

The rapid development of modern industry has created a series of advanced production technologies to improve production efficiency and product quality, and friction stir welding is an innovative friction welding technology, and compared with the traditional welding method, friction stir welding belongs to typical mechanical welding, and is formed by welding according to friction stirring and high-pressure upsetting principles, so that the stirring torque and upsetting pressure are very strong, and a workpiece bears multidirectional stress in the welding process, therefore, a welding clamp supporting mechanism must be firm and reliable, and the clamping torque must meet the welding requirement.

At present, when welding aiming at a straight structure, most of clamping mechanisms of the welding device adopt a hydraulic cylinder to compress a product to be welded and a supporting mechanism to realize effective fixation, the clamping mode is mainly fixed by friction force, the limitation of the vertical direction can only be realized, and when a friction stir welding cutter bar rubs with the high-speed rotation of a work surface to be welded, the force in the horizontal direction can be generated, so that the rotation deviation of the product to be welded is easy to occur, and the product quality problem and the chuck are damaged.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems in the prior art, the utility model provides small friction stir welding equipment which comprises a base, a friction stir welding bracket, a mounting steel plate and a plurality of clamping mechanisms, the friction stir welding bracket is fixedly arranged on the base, a friction stir welding cutter bar is arranged on the friction stir welding bracket, the mounting steel plate is arranged on the base in a sliding manner through a servo motor, and is positioned below the tool bar of the friction stir welding, a plurality of clamping mechanisms are arranged on the mounting steel plate, and is close to the edge of the installation steel plate, the clamping mechanism comprises a clamping block, a hydraulic cylinder and an adjusting component, the fixture block is connected with the mounting steel plate through the adjusting component, a clamping groove for mounting a workpiece to be welded is formed between the fixture block and the mounting steel plate, the hydraulic cylinder is arranged on one side, close to the clamping groove, of the clamping block, and the telescopic end of the hydraulic cylinder is abutted to the workpiece to be welded.

Furthermore, clamping mechanism still stretches out and draws back post, spring and clamp plate, flexible post one end and the bottom fixed connection of draw-in groove, the other end and clamp plate fixed connection, the both ends of clamp plate respectively with fixture block and installation steel sheet sliding connection, the clamp plate is close to or keeps away from installation steel sheet center under the drive of flexible post, the spring cup joints outside flexible post, and the both ends of spring respectively with fixture block and clamp plate fixed connection.

Furthermore, the flexible end of pneumatic cylinder is last to install elastic rubber, elastic rubber keeps away from flexible one side of holding and is equipped with a plurality of bumps.

Furthermore, the adjusting assembly comprises a T-shaped sliding groove, a T-shaped sliding block, an electromagnet and a control switch for controlling the electromagnet, the T-shaped sliding groove is formed in the installation steel plate, the T-shaped sliding block is matched with the T-shaped sliding groove, the T-shaped sliding block is installed on the clamping block, the electromagnet is installed on the side face of the T-shaped sliding block, and the electromagnet is used for limiting the relative sliding between the T-shaped sliding block and the T-shaped sliding groove.

Furthermore, a through collecting tank is arranged on the installation steel plate and is close to the middle of the installation steel plate.

Furthermore, clamping mechanism includes six, six clamping mechanism symmetric distribution is in installation steel sheet both sides, and sets up along the sliding direction interval of installation steel sheet.

Has the advantages that:

1. in the utility model, the installation steel plate is in sliding connection with the base, so that the friction stir welding bracket and the friction stir welding cutter bar can be prevented from moving during welding, the welding stability can be improved, and the welding quality is improved; through the fixture block, the setting of pneumatic cylinder and adjusting part, can realize treating the perpendicular and horizontal spacing of welding workpiece, avoid the work piece to rotate the skew, can satisfy the welding of different width work pieces simultaneously, the draw-in groove that forms can restrict through fixture block and installation steel sheet between and treat the removal of welding workpiece at the horizontal direction, through the setting of pneumatic cylinder, can restrict and treat the removal of welding workpiece at the vertical direction, setting through adjusting part, can realize the fixed to the fixture block, can adjust the centre gripping width of treating welding workpiece simultaneously, satisfy different user demands.

2. According to the utility model, through the arrangement of the telescopic column, the spring and the pressing plate, on one hand, the horizontal movement of the workpiece to be welded can be further limited through the spring and the pressing plate, and on the other hand, the workpiece to be welded can be subjected to self-adaptive adjustment through the extension and retraction of the spring, so that the workpiece to be welded is prevented from shaking when being fixed, and the effective contact between the telescopic end of the hydraulic cylinder and the workpiece to be welded is ensured.

3. According to the utility model, through the arrangement of the elastic rubber and the salient points, the friction force of the telescopic end in contact with the workpiece to be welded can be increased, the fixation firmness is ensured, and meanwhile, the workpiece to be welded with an uneven surface can be effectively fixed.

4. According to the utility model, the T-shaped sliding groove, the T-shaped sliding block, the electromagnet and the control switch for controlling the electromagnet are arranged, so that the fixture block can be prevented from rotating in the welding process, the fixture block can conveniently slide on the installation steel plate, the fixture block is prevented from being separated from the installation steel plate in the sliding process, in addition, the fixing mode of the electromagnet is adopted, the electromagnet can be controlled through the opening and closing of the control switch, the position of the fixture block can be conveniently adjusted and fixed, and the installation efficiency is improved.

5. In the utility model, through the arrangement of the collecting tank, waste materials generated by welding can be conveniently collected, and good contact fit between a workpiece to be welded and a mounting steel plate is ensured; through the arrangement of the six clamping mechanisms, the fixing effect of the workpieces to be welded can be greatly improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the installation steel plate of the present invention.

FIG. 3 is a schematic view of the installation structure of the clamping mechanism and the installation steel plate of the present invention.

Fig. 4 is a detailed structural diagram of a point a in fig. 3.

Fig. 5 is a front view of the clamping mechanism of the present invention.

Fig. 6 is a right side view of the clamping mechanism of the present invention.

Fig. 7 is a detailed structural diagram at B in fig. 5.

Reference numerals: 1. a base; 2. a friction stir welding support; 3. installing a steel plate; 31. collecting tank; 4. a clamping mechanism; 41. a clamping block; 42. a hydraulic cylinder; 421. an elastic rubber; 43. an adjustment assembly; 431. a T-shaped chute; 432. a T-shaped slider; 433. an electromagnet; 44. a telescopic column; 45. a spring; 46. pressing a plate; 5. a tool bar for friction stir welding.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of the present invention.

The utility model provides a small friction stir welding device, as shown in fig. 1 to 7, which comprises a base 1, a friction stir welding support 2, a mounting steel plate 3 and a plurality of clamping mechanisms 4, wherein the clamping mechanisms 4 comprise six clamping mechanisms 4, the six clamping mechanisms 4 are symmetrically distributed on two sides of the mounting steel plate 3 and are arranged at intervals along the sliding direction of the mounting steel plate 3, the fixing effect of a workpiece to be welded can be greatly improved through the arrangement of the six clamping mechanisms 4, the friction stir welding support 2 is fixedly arranged on the base 1, a friction stir welding cutter bar 5 is arranged on the friction stir welding support 2, the mounting steel plate 3 is slidably arranged on the base 1 through a servo motor and is positioned below the friction stir welding cutter bar 5, in order to prevent the mounting steel plate 3 from deviating or separating from the base 1 in the sliding process, a channel can be arranged on the base 1, the bottom of the mounting steel plate 3 is arranged in the channel, a plurality of clamping mechanism 4 install in on the installation steel sheet 3, and be close to the edge of installation steel sheet 3, clamping mechanism 4 includes fixture block 41, pneumatic cylinder 42 and adjusting part 43, fixture block 41 is connected with installation steel sheet 3 through adjusting part 43, form between fixture block 41 and the installation steel sheet 3 and be used for the installation to wait to weld the draw-in groove of work piece, pneumatic cylinder 42 is installed in one side that fixture block 41 is close to the draw-in groove, the flexible end of pneumatic cylinder 42 with wait to weld the work piece butt.

In the embodiment, the installation steel plate 3 is slidably connected with the base 1, so that the friction stir welding support 2 and the friction stir welding cutter bar 5 can be prevented from moving during welding, the welding stability can be improved, and the welding quality is improved; through fixture block 41, the setting of pneumatic cylinder 42 and adjusting part 43, can realize treating the perpendicular and horizontal spacing of welding workpiece, avoid the work piece to rotate the skew, can satisfy the welding of different width work pieces simultaneously, the draw-in groove that specifically forms between fixture block 41 and the installation steel sheet 3 can restrict and treat the removal of welding workpiece at the horizontal direction, setting through pneumatic cylinder 42, can restrict and treat the removal of welding workpiece at the vertical direction, setting through adjusting part 43, can realize fixing fixture block 41, can adjust the centre gripping width of treating welding workpiece simultaneously, satisfy different user demands.

In this embodiment, preferably, as shown in fig. 1, 5, and 7, the clamping mechanism 4 further includes a telescopic column 44, a spring 45, and a pressing plate 46, one end of the telescopic column 44 is fixedly connected to the bottom of the clamping groove, and the other end of the telescopic column is fixedly connected to the pressing plate 46, two ends of the pressing plate 46 are respectively slidably connected to the fixture block 41 and the installation steel plate 3, the pressing plate 46 is driven by the telescopic column 44 to be close to or far away from the center of the installation steel plate 3, the spring 45 is sleeved outside the telescopic column 44, and two ends of the spring 45 are respectively fixedly connected to the fixture block 41 and the pressing plate 46, when the clamping mechanism is actually used, the spring 45 is always in a compression state, and always generates an elastic action on the workpiece to be welded, and the workpiece to be welded is more stably fixed under the combined action of the plurality of springs 45.

In this embodiment, through the arrangement of the telescopic column 44, the spring 45 and the pressing plate 46, on one hand, the horizontal movement of the workpiece to be welded can be further limited through the spring 45 and the pressing plate 46, and on the other hand, the workpiece to be welded can be adaptively adjusted through the extension and retraction of the spring 45, so that the workpiece to be welded is prevented from shaking when being fixed, and the telescopic end of the hydraulic cylinder 42 is ensured to be in effective contact with the workpiece to be welded.

In this embodiment, as shown in fig. 5 and 6, an elastic rubber 421 is preferably mounted on the telescopic end of the hydraulic cylinder 42, and a plurality of protruding points are preferably provided on a side of the elastic rubber 421 away from the telescopic end.

In this embodiment, through the setting of elastic rubber 421 and bump, can improve the flexible end and wait to weld the frictional force size of work piece contact, ensure fixed firm, also can effectively fix the work piece of waiting to weld that the surface is uneven simultaneously.

In this embodiment, preferably, as shown in fig. 2 to 6, the adjusting assembly 43 includes a T-shaped sliding groove 431, a T-shaped sliding block 432, an electromagnet 433, and a control switch for controlling magnetism of the electromagnet 433, the T-shaped sliding groove 431 is disposed on the mounting steel plate 3, the T-shaped sliding block 432 is matched with the T-shaped sliding groove 431, the T-shaped sliding block 432 is mounted on the fixture block 41, and the electromagnet 433 is mounted on a side surface of the T-shaped sliding block 432, when the control switch is closed, the electromagnet 433 has magnetism and attracts the mounting steel plate 3 at this time, so as to limit relative sliding between the T-shaped sliding block 432 and the T-shaped sliding groove 431, and achieve the purpose of fixing the clamping mechanism 4.

In this embodiment, through the setting of T type spout 431, T type slider 432, electro-magnet 433 and the magnetic control switch of control electro-magnet 433, can prevent that fixture block 41 from taking place to rotate among the welding process, can make things convenient for the slip of fixture block 41 on installation steel sheet 3 simultaneously, avoid sliding in-process fixture block 41 to break away from installation steel sheet 3, adopt the fixed mode of electro-magnet 433 in addition, can conveniently realize the regulation and the fixing of fixture block 41 position through the control switch's the control electro-magnet 433 magnetism of opening and close, improve the installation effectiveness.

In this embodiment, as shown in fig. 2 and 3, a through collecting groove 31 is preferably provided on the mounting steel plate 3, and the collecting groove 31 is close to the middle of the mounting steel plate 3.

In this embodiment, through the arrangement of the collecting groove 31, the waste generated by welding can be conveniently collected, and good contact fit of the workpiece to be welded and the mounting steel plate 3 is ensured.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. A small-sized friction stir welding device comprises a base (1), a friction stir welding support (2), an installation steel plate (3) and a plurality of clamping mechanisms (4), wherein the friction stir welding support (2) is fixedly installed on the base (1), a friction stir welding cutter bar (5) is installed on the friction stir welding support (2), the installation steel plate (3) is installed on the base (1) in a sliding mode through a servo motor and is located below the friction stir welding cutter bar (5), the clamping mechanisms (4) are installed on the installation steel plate (3) and are close to the edge of the installation steel plate (3), the small-sized friction stir welding device is characterized in that each clamping mechanism (4) comprises a clamping block (41), a hydraulic cylinder (42) and an adjusting component (43), the clamping block (41) is connected with the installation steel plate (3) through the adjusting component (43), and a clamping groove for installing a workpiece to be welded is formed between the clamping block (41) and the installation steel plate (3), the hydraulic cylinder (42) is installed on one side, close to the clamping groove, of the clamping block (41), and the telescopic end of the hydraulic cylinder (42) is abutted to a workpiece to be welded.

2. The small friction stir welding device according to claim 1, wherein the clamping mechanism (4) further comprises a telescopic column (44), a spring (45) and a pressing plate (46), one end of the telescopic column (44) is fixedly connected with the bottom of the clamping groove, the other end of the telescopic column is fixedly connected with the pressing plate (46), two ends of the pressing plate (46) are respectively connected with the clamping block (41) and the installation steel plate (3) in a sliding manner, the pressing plate (46) is driven by the telescopic column (44) to be close to or far away from the center of the installation steel plate (3), the spring (45) is sleeved outside the telescopic column (44), and two ends of the spring (45) are respectively fixedly connected with the clamping block (41) and the pressing plate (46).

3. A small size friction stir welding apparatus according to claim 1 or 2, wherein an elastic rubber (421) is mounted on the telescopic end of said hydraulic cylinder (42), and a plurality of convex points are provided on the side of said elastic rubber (421) away from the telescopic end.

4. The small-sized friction stir welding device according to claim 3, wherein the adjusting assembly (43) comprises a T-shaped sliding groove (431), a T-shaped sliding block (432), an electromagnet (433) and a control switch for controlling the magnetism of the electromagnet (433), the T-shaped sliding groove (431) is arranged on the installation steel plate (3), the T-shaped sliding block (432) is matched with the T-shaped sliding groove (431), the T-shaped sliding block (432) is arranged on the fixture block (41), the electromagnet (433) is arranged on the side surface of the T-shaped sliding block (432), and the electromagnet (433) is used for limiting the relative sliding between the T-shaped sliding block (432) and the T-shaped sliding groove (431).

5. A compact friction stir welding apparatus according to claim 1, wherein said mounting plate (3) is provided with a through-going collection trough (31), said collection trough (31) being located near the middle of the mounting plate (3).

6. A small-sized friction stir welding apparatus according to claim 1, wherein said clamping mechanisms (4) comprise six, and six of said clamping mechanisms (4) are symmetrically distributed on both sides of the mounting steel plate (3) and are arranged at intervals along the sliding direction of the mounting steel plate (3).