Friction stir welding machine tool with vertical rotary table

Abstract

The invention relates to the technical field of welding equipment, in particular to a vertical rotary table friction stir welding machine tool which is characterized in that a supporting base is arranged on the side face of a gantry frame, a moving groove is formed in the side face of the gantry frame, a supporting screw is arranged in the moving groove, a rotating plate is arranged on the end face of a moving plate, and a first motor is arranged in the rotating plate; an electric push rod is arranged on the end face of the lifting plate, a mounting frame is arranged on the side of the lifting plate, and welding equipment is arranged on the side face of the mounting frame. The welding equipment has the beneficial effects that firstly, a workpiece is placed on the rotating table to be fixed, then the driving motor can be used for driving the supporting screw rod, so that the welding equipment can be conveniently and transversely displaced, the welding equipment can be conveniently moved to the position close to a circle where a welding seam is located, and finally, a first motor is matched with the meshing effect of a gear and a transmission gear; the welding equipment can be conveniently adjusted to the position perpendicular to a welding seam, and the welding equipment can be moved up and down in cooperation with the electric push rod, so that the welding equipment can be matched with the rotating table for welding.

Description

Technical Field

[0001] The invention relates to the technical field of welding equipment, in particular to a vertical turntable friction stir welding machine tool. Background Art

[0002] The vertical rotary table friction stir welding machine is a device specially used for the friction stir welding process. This machine generates friction heat on the workpiece surface through the rotating tool, plasticizes the material and realizes welding under the action of the tool. The vertical rotary table design allows the workpiece to be placed horizontally and the rotating tool to act vertically downward, which is suitable for welding large and heavy workpieces.

[0003] Plastic flow occurs under the stirring and pressure of the stirring needle, which promotes the diffusion and bonding of metal atoms, and forms a uniform solid phase weld after cooling. At present, when friction welding equipment welds annular parts, it is necessary to use the interpolation function for welding, which has high requirements on the system and low welding efficiency; it is impossible to weld the weld on the conical surface. To this end, the present invention proposes a vertical turntable friction stir welding machine tool for solving the above problems. Summary of the invention

[0004] The object of the present invention is to provide a vertical turntable friction stir welding machine to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a vertical turntable friction stir welding machine, the vertical turntable friction stir welding machine comprising: a gantry frame, a support base is arranged on the side of the gantry frame, a rotary worktable is arranged on the surface of the support base, a moving groove is opened on the side of the gantry frame, a support screw is arranged in the moving groove, and a driving motor is arranged on the end surface of the gantry frame; A moving plate, a rotating plate is arranged on the end surface of the moving plate, a first motor is arranged inside the rotating plate, a gear is sleeved on the transmission end of the first motor, a first bearing is arranged on the surface of the rotating plate, a fixed seat is arranged on the inner ring surface of the first bearing, and a transmission gear can be sleeved on the surface of the fixed seat; A lifting plate, an electric push rod is arranged on the end face of the lifting plate, a bottom plate is arranged on the lifting end of the electric push rod, a mounting frame is arranged on the side of the bottom plate, and a welding device is arranged on the side of the mounting frame.

[0006] Preferably, the driving motor is fixedly connected to the end face of the gantry frame, a vertical plate is arranged in the movable groove, the vertical plate is a square plate structure, a limit bearing is arranged in the vertical plate, the support screw is fixedly connected to the inner ring surface of the limit bearing, and one end of the support screw is fixedly connected to the end face of the driving motor.

[0007] Preferably, the movable plate is screwed on the supporting screw rod, the movable plate can be displaced in the movable groove, the rotating plate is fixedly connected to the end surface of the movable plate, the first motor is fixedly connected in the rotating plate, and the first bearing is fixedly connected to the surface of the rotating plate.

[0008] Preferably, the fixed seat is fixedly connected to the inner ring surface of the first bearing, a baffle is provided on the surface of the fixed seat, the baffle is an annular plate structure, a positioning groove and a positioning groove are opened on the surface of the fixed seat, the positioning groove is a polygonal column structure, and a limiting groove is opened on the inner ring surface of the transmission gear.

[0009] Preferably, a second fixing plate is provided on the side of the positioning groove, a guide rod is provided on the side of the second fixing plate, two groups of guide rods are provided, the two groups of guide rods are symmetrically distributed about the second fixing plate, and push plates 1 and 2 are respectively sleeved on the surfaces of the two groups of guide rods.

[0010] Preferably, a limiting rod is provided on the side of push plate one, and a second limiting rod is provided on the side of push plate two, one end of the second limiting rod can be inserted into the limiting groove, and a limiting spring is sleeved on the surface of the guide rod, and two groups of limiting springs are provided, and the two groups of limiting springs are symmetrically distributed about the second fixed plate, one ends of the two groups of limiting springs are respectively fixedly connected to the two side surfaces of the second fixed plate, and the other ends of the two groups of limiting springs are respectively fixedly connected to the sides of push plate one and push plate two.

[0011] Preferably, a mounting base is provided on the side of the lifting plate, and the mounting base is a polygonal column structure. The mounting base can be inserted into the positioning slot, and a groove is provided on the side of the mounting base, and one end of the limiting rod can be inserted into the groove.

[0012] Preferably, a support plate is provided on the side of the mounting base, the support plate is in a square plate-like structure, a fixed clamping plate is provided at one end of the support plate, the fixed clamping plate is in an arc-shaped plate-like structure as a whole, and the fixed clamping plate cooperates with the baffle to position the transmission gear.

[0013] Preferably, the electric push rod is fixedly connected to the end face of the lifting plate by bolts, the lifting plate is provided with a slide groove, the bottom plate is a square plate structure, the bottom plate is fixedly connected to the lifting end of the electric push rod, the bottom plate can be moved up and down in the slide groove, and the welding equipment is fixedly connected to the side of the mounting frame by positioning bolts.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides a vertical turntable friction stir welding machine. When welding a workpiece, the workpiece is first placed on a turntable for fixing. Then, a driving motor can be used to drive a supporting screw, thereby facilitating a lateral displacement of the welding device and conveniently moving the welding device to the vicinity of a circle where a weld is located. Finally, the first motor cooperates with the meshing action of a gear and a transmission gear to conveniently adjust the welding device to a position perpendicular to the weld. The welding device can be displaced up and down in cooperation with an electric push rod, so that the welding device can cooperate with the turntable for welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the device of the present invention; Figure 2 A top view of the device of the present invention; Figure 3 for Figure 2 The enlarged structural diagram at A in the middle; Figure 4 It is a side view of the device of the present invention; Figure 5 for Figure 4 The enlarged structural diagram at B in the middle; Figure 6 It is a schematic diagram of the structure of the device of the present invention when it is tilted; Figure 7 for Figure 6 The enlarged structural diagram at C in the middle; Figure 8 This is a schematic diagram of the structure of the rotating plate of the present invention; Fig. 9 for Figure 8 The enlarged structural diagram at D in the middle; Fig.10 This is a schematic diagram of the structural positioning rod structure of the present invention; Fig.11 It is a side view of the rotating plate of the structure of the present invention.

[0016] In the figure: 1. gantry frame; 2. support base; 3. rotary table; 4. moving groove; 5. support screw; 6. drive motor; 7. moving plate; 8. rotating plate; 9. first motor; 10. gear; 11. first bearing; 12. fixed seat; 13. transmission gear; 14. lifting plate; 15. electric push rod; 16. bottom plate; 17. mounting frame; 18. welding equipment; 19. vertical plate; 20. limit bearing; 21. baffle; 22. positioning slot; 23. positioning slot; 24. limit slot; 25. second fixed plate; 26. guide rod; 27. push plate one; 28. push plate two; 29. ​​limit rod; 30. second limit rod; 31. limit spring; 32. mounting base; 33. groove; 34. support plate; 35. fixed card plate; 36. slide groove. DETAILED DESCRIPTION

[0017] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other. Embodiment 1

[0021] See also Figures 1 to 11 The present invention provides a technical solution: a vertical turntable friction stir welding machine, the vertical turntable friction stir welding machine comprising: a gantry frame 1, a support base 2 is arranged on the side of the gantry frame 1, a rotary worktable 3 is arranged on the surface of the support base 2, a moving groove 4 is opened on the side of the gantry frame 1, a support screw 5 is arranged in the moving groove 4, and a driving motor 6 is arranged on the end surface of the gantry frame 1; A movable plate 7, a rotating plate 8 is arranged on the end surface of the movable plate 7, a first motor 9 is arranged inside the rotating plate 8, a gear 10 is sleeved on the transmission end of the first motor 9, a first bearing 11 is arranged on the surface of the rotating plate 8, a fixed seat 12 is arranged on the inner ring surface of the first bearing 11, and a transmission gear 13 can be sleeved on the surface of the fixed seat 12; A lifting plate 14, an electric push rod 15 is arranged on the end surface of the lifting plate 14, a bottom plate 16 is arranged on the lifting end of the electric push rod 15, a mounting frame 17 is arranged on the side of the bottom plate 16, and a welding device 18 is arranged on the side of the mounting frame 17; When welding a workpiece, first place the workpiece on the rotary table 3 and fix it, then use the drive motor 6 to drive the support screw 5, so that the welding equipment 18 can be easily displaced laterally, and the welding equipment 18 can be conveniently moved to the vicinity of the circle where the weld is located. Finally, through the first motor 9 in conjunction with the meshing action of the gear 10 and the transmission gear 13, the welding equipment 18 can be conveniently adjusted to a position perpendicular to the weld, and the welding equipment 18 can be displaced up and down in conjunction with the electric push rod 15, so that the welding equipment 18 can cooperate with the rotary table 3 for welding. Embodiment 2

[0022] On the basis of the first embodiment, in order to facilitate the transverse movement of the welding equipment 18, a support screw 5 is provided, the drive motor 6 is fixedly connected to the end face of the gantry frame 1, a vertical plate 19 is provided in the movable groove 4, the vertical plate 19 is a square plate-shaped structure, a limit bearing 20 is provided in the vertical plate 19, the support screw 5 is fixedly connected to the inner ring surface of the limit bearing 20, one end of the support screw 5 is fixedly connected to the end face of the drive motor 6, the movable plate 7 is screwed on the support screw 5, the movable plate 7 can be displaced in the movable groove 4, the rotating plate 8 is fixedly connected to the end face of the movable plate 7, the first motor 9 is fixedly connected in the rotating plate 8, and the first bearing 11 is fixedly connected to the surface of the rotating plate 8; When in use, the driving motor 6 can be started first to cooperate with the limit bearing 20, so that the support screw 5 can be rotated, and the movable plate 7 screwed on the support screw 5 can be displaced. The setting of the movable groove 4 can avoid the problem that the movable plate 7 also rotates when the support screw 5 is rotated, so that the displacement of the movable plate 7 can be used to drive the welding equipment 18 to move horizontally.

[0023] In order to facilitate the up and down displacement of the welding equipment 18, an electric push rod 15 is provided, and the electric push rod 15 is fixedly connected to the end surface of the lifting plate 14 by bolts. The lifting plate 14 is provided with a slide groove 36. The bottom plate 16 is a square plate structure, and the bottom plate 16 is fixedly connected to the lifting end of the electric push rod 15. The bottom plate 16 can be displaced up and down in the slide groove 36. The welding equipment 18 is fixedly connected to the side of the mounting frame 17 by positioning bolts; When in use, the bottom plate 16 can be adjusted up and down by the electric push rod 15, so that the welding equipment 18 can be conveniently adjusted up and down to facilitate subsequent welding of the workpiece. The welding equipment 18 is an existing friction welding equipment, and the bottom plate 16 cooperates with the slide groove 36 to facilitate the stability of the bottom plate 16 when moving. Embodiment 3

[0024] On the basis of the second embodiment, in order to facilitate the connection between the lifting plate 14 and the fixing seat 12, a mounting base 32 is provided. A mounting base 32 is provided on the side of the lifting plate 14. The mounting base 32 is a polygonal columnar structure. The mounting base 32 can be inserted into the positioning slot 22. A groove 33 is provided on the side of the mounting base 32. One end of the limiting rod 29 can be inserted into the groove 33. A support plate 34 is provided on the side of the mounting base 32. The support plate 34 is a square plate-shaped structure. A fixed card plate 35 is provided at one end of the support plate 34. The fixed card plate 35 is an arc-shaped plate-shaped structure as a whole. The fixed card plate 35 cooperates with the baffle 21 to position the transmission gear 13; When in use, the mounting base 32 can be first inserted into the positioning slot 22, and then the limiting rod 29 can be inserted into the groove 33 provided on the side of the mounting base 32 to quickly fix the mounting base 32. The mounting base 32 is a polygonal column structure, which cooperates with the positioning slot 22 to prevent the mounting base 32 from rotating. Then, after the mounting base 32 is fixed, the fixing card plate 35 can cooperate with the baffle 21 to limit the transmission gear 13, thereby facilitating the fixing of the transmission gear 13 on the fixing seat 12, thereby facilitating the disassembly of the transmission gear 13 without the need to weld the transmission gear 13.

[0025] In order to facilitate the transmission gear 13 to cooperate with the gear 10 to make the fixed seat 12 rotate at an angle, a second limiting rod 30 is provided, the fixed seat 12 is fixedly connected to the inner ring surface of the first bearing 11, a baffle 21 is provided on the surface of the fixed seat 12, the baffle 21 is an annular plate structure, a positioning groove 22 and a positioning groove 23 are provided on the surface of the fixed seat 12, the positioning groove 22 is a polygonal column structure, a limiting groove 24 is provided on the inner ring surface of the transmission gear 13, a second fixing plate 25 is provided on the side of the positioning groove 23, a guide rod 26 is provided on the side of the second fixing plate 25, and two groups of guide rods 26 are provided, and the two groups of guide rods 26 are about the second fixing The fixed plates 25 are symmetrically distributed, and the surfaces of the two groups of guide rods 26 are respectively sleeved with a push plate 1 27 and a push plate 28, a limit rod 29 is provided on the side of the push plate 1 27, and a second limit rod 30 is provided on the side of the push plate 28, and one end of the second limit rod 30 can be inserted into the limit groove 24, and a limit spring 31 is sleeved on the surface of the guide rod 26, and two groups of limit springs 31 are provided, and the two groups of limit springs 31 are symmetrically distributed about the second fixed plate 25, and one end of the two groups of limit springs 31 are respectively fixedly connected to the two side surfaces of the second fixed plate 25, and the other ends of the two groups of limit springs 31 are respectively fixedly connected to the side surfaces of the push plate 1 27 and the push plate 28; When in use, after the transmission gear 13 is limited by the cooperation of the fixed clamping plate 35 and the baffle 21, one end of the second limiting rod 30 can be inserted into the limiting groove 24 opened on the inner ring surface of the transmission gear 13, so as to position the transmission gear 13 and avoid the transmission gear 13 slipping. Then the first motor 9 can be used to drive the gear 10 to rotate, and the meshing of the gear 10 and the transmission gear 13 can be used to cooperate with the first bearing 11 to rotate the fixed seat 12, so that the welding equipment 18 can be conveniently rotated at an angle to facilitate subsequent welding. The setting of the limiting spring 31 also limits the limiting rod 29 and the second limiting rod 30 to avoid the problem of arbitrary displacement. When in use, the guide rod 26 is also convenient for guiding the displacement of the push plate 1 27 and the push plate 2 28 to avoid the problem of offset.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vertical turntable friction stir welding machine, characterized in that: The vertical rotary table friction stir welding machine comprises: a gantry frame (1), a support base (2) is arranged on the side of the gantry frame (1), a rotary worktable (3) is arranged on the surface of the support base (2), a moving groove (4) is opened on the side of the gantry frame (1), a support screw (5) is arranged in the moving groove (4), and a driving motor (6) is arranged on the end surface of the gantry frame (1); A movable plate (7), a rotating plate (8) is arranged on the end surface of the movable plate (7), a first motor (9) is arranged inside the rotating plate (8), a gear (10) is sleeved on the transmission end of the first motor (9), a first bearing (11) is arranged on the surface of the rotating plate (8), a fixed seat (12) is arranged on the inner ring surface of the first bearing (11), and a transmission gear (13) can be sleeved on the surface of the fixed seat (12); A lifting plate (14) is provided at the end surface of the lifting plate (14), a motor-driven push rod (15) is provided at the lifting end of the motor-driven push rod (15), a bottom plate (16) is provided at the side of the bottom plate (16), and a mounting frame (17) is provided at the side of the mounting frame (17), and a welding device (18) is provided at the side of the mounting frame (17).

2. The vertical turntable friction stir welding machine according to claim 1, characterized in that: The drive motor (6) is fixedly connected to the end face of the gantry frame (1); a vertical plate (19) is arranged in the movable groove (4); the vertical plate (19) is in a square plate-shaped structure; a limit bearing (20) is arranged in the vertical plate (19); the support screw (5) is fixedly connected to the inner ring surface of the limit bearing (20); and one end of the support screw (5) is fixedly connected to the end face of the drive motor (6).

3. The vertical turntable friction stir welding machine according to claim 1, characterized in that: The movable plate (7) is screwed onto the supporting screw rod (5); the movable plate (7) can be displaced in the movable groove (4); the rotating plate (8) is fixedly connected to the end surface of the movable plate (7); the first motor (9) is fixedly connected in the rotating plate (8); and the first bearing (11) is fixedly connected to the surface of the rotating plate (8).

4. The vertical turntable friction stir welding machine according to claim 1, characterized in that: The fixing seat (12) is fixedly connected to the inner ring surface of the first bearing (11); a baffle (21) is provided on the surface of the fixing seat (12); the baffle (21) is in the form of an annular plate structure; a positioning slot (22) and a positioning groove (23) are provided on the surface of the fixing seat (12); the positioning slot (22) is in the form of a polygonal column structure; and a limiting slot (24) is provided on the inner ring surface of the transmission gear (13).

5. The vertical turntable friction stir welding machine according to claim 4, characterized in that: A second fixing plate (25) is disposed on the side of the positioning groove (23), and a guide rod (26) is disposed on the side of the second fixing plate (25). Two groups of guide rods (26) are provided, and the two groups of guide rods (26) are symmetrically distributed about the second fixing plate (25). Push plates 1 (27) and 2 (28) are respectively sleeved on the surfaces of the two groups of guide rods (26).

6. The vertical turntable friction stir welding machine according to claim 5, characterized in that: A limit rod (29) is arranged on the side of the push plate 1 (27), and a second limit rod (30) is arranged on the side of the push plate 2 (28). One end of the second limit rod (30) can be inserted into the limit groove (24). A limit spring (31) is sleeved on the surface of the guide rod (26). Two groups of limit springs (31) are arranged. The two groups of limit springs (31) are symmetrically distributed about the second fixed plate (25). One end of the two groups of limit springs (31) is respectively fixedly connected to the two side surfaces of the second fixed plate (25), and the other end of the two groups of limit springs (31) is respectively fixedly connected to the side surfaces of the push plate 1 (27) and the push plate 2 (28).

7. The vertical turntable friction stir welding machine according to claim 1, characterized in that: A mounting base (32) is provided on the side of the lifting plate (14). The mounting base (32) is in a polygonal column structure. The mounting base (32) can be inserted into the positioning slot (22). A groove (33) is provided on the side of the mounting base (32). One end of the limiting rod (29) can be inserted into the groove (33).

8. The vertical rotary table friction stir welding machine according to claim 7, characterized in that: A support plate (34) is provided on the side of the mounting base (32), the support plate (34) being in a square plate-like structure, a fixed clamping plate (35) is provided at one end of the support plate (34), the fixed clamping plate (35) being in an arc-shaped plate-like structure as a whole, and the fixed clamping plate (35) cooperates with the baffle plate (21) to position the transmission gear (13).

9. The vertical rotary table friction stir welding machine according to claim 1, characterized in that: The electric push rod (15) is fixedly connected to the end surface of the lifting plate (14) by means of bolts. The lifting plate (14) is provided with a slide groove (36). The bottom plate (16) is in a square plate-like structure. The bottom plate (16) is fixedly connected to the lifting end of the electric push rod (15). The bottom plate (16) can move up and down in the slide groove (36). The welding device (18) is fixedly connected to the side of the mounting frame (17) by means of positioning bolts.

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