Double-shaft rotary welding clamp for large workpiece

Abstract

The utility model relates to the technical field of work fixtures, in particular to a double-shaft rotary welding fixture for large workpieces, which comprises a main frame, a turnover mechanism, a rotary mechanism and a clamping mechanism, the turnover mechanism comprises a turnover frame, a limit block and a turnover driving part, the turnover frame is rotatably connected with the main frame, and the rotary mechanism is rotatably connected with the main frame. The limiting block is connected with the overturning frame, the overturning driving piece drives the overturning frame to rotate around a first rotating shaft, the rotating mechanism comprises a rotating disc and a rotating driving piece, the rotating disc is rotationally connected with the overturning frame, the rotating driving piece drives the rotating disc to rotate around a second rotating shaft, the second rotating shaft is perpendicular to the first rotating shaft, and the clamping mechanism is installed on the rotating disc. According to the double-shaft rotary welding clamp for the large workpiece, through the cooperation of the turnover mechanism and the rotating mechanism, the moving time consumed in the welding process around a large tool can be effectively shortened, and the purpose of improving the splicing and welding efficiency of the large workpiece is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tool fixture technical field, in particular to a large -scale workpiece double -shaft rotary welding fixture. BACKGROUND

[0002] Workpiece needs to help clamp to position workpiece after welding when assembling, in traditional technology, when assembling large workpiece, need to fix workpiece, carry out multiple welding operations around workpiece, however, the mode of multiple welding operations around workpiece needs to consume a lot of moving time, there is the technical problem of low assembling and welding efficiency of large workpiece. SUMMARY

[0003] The purpose of the application is to provide a large workpiece double-shaft rotary welding fixture to solve the technical problem of low assembling and welding efficiency of large workpiece in the prior art.

[0004] A large workpiece double-shaft rotary welding fixture, comprising: a main frame, a turnover mechanism, a rotating mechanism and a clamping mechanism, the turnover mechanism comprises a turnover frame, a limiting block and a turnover driving piece, the turnover frame is rotatably connected with the main frame, the limiting block is connected with the turnover frame, the turnover driving piece drives the turnover frame to rotate around a first rotation axis, the rotating mechanism comprises a turntable and a rotating driving piece, the turntable is rotatably connected with the turnover frame, the rotating driving piece drives the turntable to rotate around a second rotation axis, the second rotation axis is perpendicular to the first rotation axis, and the clamping mechanism is installed on the turntable.

[0005] In one embodiment, the turnover frame comprises a frame body and a support shaft, the frame body is connected with the support shaft, the support shaft is rotatably connected with the main frame, and the limiting block is connected with the support shaft.

[0006] In one embodiment, the turnover mechanism further comprises an adjusting block, the adjusting block is installed on the main frame and used to contact the limiting block.

[0007] In one embodiment, the turnover mechanism further comprises a turnover positioning piece, the rotating positioning piece is installed on the main frame and spaced apart from the first rotation axis, and the turnover frame is provided with a turnover positioning hole corresponding to the position of the turnover positioning piece.

[0008] In one embodiment, the number of turnover positioning holes is multiple, and each turnover positioning hole is spaced apart around the first rotation axis.

[0009] In one of the embodiments, the rotating mechanism further comprises a rotating positioning member, which is installed on the turnover frame and is arranged at intervals with the second rotating shaft, and the rotating disc is provided with rotating positioning holes corresponding to the positions of the rotating positioning member.

[0010] In one of the embodiments, the rotating positioning holes are multiple, and each rotating positioning hole is arranged at intervals around the second rotating shaft.

[0011] In one of the embodiments, the rotating disc comprises a disc body, a first gear and a second gear, the disc body is rotatably installed on the turnover frame, the first gear is connected with the disc body, the second gear is connected with the rotating driving member, and the rotating driving member drives the second gear to rotate.

[0012] In one of the embodiments, the material clamping mechanism comprises a positioning frame, a fixing frame, a pushing member and an actuating member, the positioning frame and the fixing frame are arranged at intervals, the pushing member is slidably connected with the fixing frame, and the actuating member is used to drive the pushing member to move close to or away from the positioning frame.

[0013] In one of the embodiments, the pushing member comprises a pushing plate, a guide rod and an adapter plate, the guide rod is slidably connected with the fixing frame, the pushing plate and the adapter plate are respectively connected with two ends of the guide rod, and the actuating member drives the adapter plate to slide the guide rod.

[0014] The large workpiece double-shaft rotating welding clamp provided by the application has the beneficial effects that: the material clamping mechanism is used to fix the large workpiece, the rotating driving member of the rotating mechanism drives the rotating disc on which the material clamping mechanism is installed to rotate, the turnover driving member of the turnover mechanism drives the turnover frame on which the rotating disc is installed to turn, and the limiting block limits the turning angle of the turnover frame, so that the material clamping mechanism for fixing the large workpiece is controlled to turn or rotate by the cooperation of the turnover mechanism and the rotating mechanism, thereby effectively reducing the time consumed for moving around the workpiece, and the turnover angle of the turnover frame is limited by the limiting block, so that the large workpiece fixed by the material clamping mechanism is effectively prevented from colliding with the ground, thereby effectively protecting the large workpiece fixed by the material clamping mechanism, and the purpose of improving the assembly and welding efficiency of the large workpiece is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the large workpiece double-shaft rotating welding clamp shown in the application.

[0016] Figure 2 It is a structural schematic view of the large workpiece double-shaft rotating welding clamp shown in the application. Figure 1

[0017] Figure 3 It is a structural schematic view of the large workpiece double-shaft rotating welding clamp shown in the application. Figure 2 ​Structure diagram of another view of the large workpiece double-shaft rotary welding clamp.

[0018] The meanings of the reference signs in the drawings are as follows:

[0019] 100, large workpiece double-shaft rotary welding clamp;

[0020] 10, main frame;

[0021] 20, turnover mechanism; 21, turnover frame; 211, frame body; 212, support shaft; 213, turnover positioning hole; 22, limiting block; 23, turnover driving piece; 24, adjusting block; 25, turnover positioning piece;

[0022] 30, rotation mechanism; 31, rotating disc; 311, rotation positioning hole; 312, disc body; 313, first gear; 314, second gear; 32, rotation driving piece; 33, rotation positioning piece;

[0023] 40, clamping mechanism; 41, positioning frame; 42, fixing frame; 43, pushing piece; 431, pushing plate; 432, guide rod; 433, adapter plate; 44, actuating piece. DETAILED DESCRIPTION

[0024] In order to make the above objectives, characteristics and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the present application can be practiced without using these specific details. In other instances, well-known methods have not been described in detail in order to avoid unnecessarily obscuring the present application. Therefore, the specific embodiments disclosed below are not intended to limit the scope of the present application, but merely to describe the embodiments of the present application.

[0025] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be understood as limiting the present application.

[0026] In addition, the terms "first", "second", "third", etc. are used herein for descriptive purposes only and should not be construed as indicating or implying relative importance or an ordered sequence. Thus, features defined with "first", "second" or "third" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0027] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] In the present application, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0029] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on another element or there can be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are only for illustrative purposes and are not the only embodiment.

[0030] As shown in Figure 1 It is a large workpiece double-shaft rotary welding fixture 100 shown in the present application, used for fixing large tools.

[0031] As shown in Figures 1 to 2As shown, the large workpiece dual-axis rotary welding fixture 100 includes: a main frame 10, a flipping mechanism 20, a rotating mechanism 30 and a clamping mechanism 40, wherein the main frame 10 is rotatably connected to the flipping mechanism 20, the flipping mechanism 20 is used to flip relative to the main frame 10, the rotating mechanism 30 is installed on the flipping mechanism 20, and is used to rotate relative to the flipping mechanism 20, and the clamping mechanism 40 is installed on the rotating mechanism 30, and is used to clamp and fix the workpiece. Through the cooperation of the flipping mechanism 20 and the rotating mechanism 30, it is beneficial to effectively reduce the time consumed in the movement process around the large tool welding process, thereby achieving the purpose of improving the assembly and welding efficiency of large workpieces.

[0032] Below, combined Figures 1 to 3 , the above-mentioned large workpiece dual-axis rotation welding fixture 100 is further explained.

[0033] like Figure 1 As shown, the main frame 10 is fixedly installed on the ground and is used to support the flip mechanism 20. The flip mechanism 20 includes a flip frame 21, a limit block 22 and a flip drive 23. The flip frame 21 is rotatably connected to the main frame 10, and the limit block 22 is connected to the flip frame 21 to limit the rotation angle of the flip frame 21 around the first rotation axis F1. The specific angle range is plus or minus 90 degrees. The flip drive 23 is a motor and is used to drive the flip frame 21 to rotate around the first rotation axis F1. Specifically, the flip frame 21 includes a frame body 211 and a support shaft 212. The frame body 211 is connected to the support shaft 212. There are two support shafts 212. The two support shafts 212 are respectively connected to the opposite back sides of the frame body 211. Each support shaft 212 is rotatably connected to the main frame 10. The limit block 22 is connected to the support shaft 212 to limit the flip angle of the frame body 211 by limiting the rotation angle of the support shaft 212.

[0034] In order to adjust the turning angle of the turning frame 21, as shown in FIG. Figure 1 As shown, the flipping mechanism 20 also includes an adjusting block 24, which is mounted on the main frame 10 and is used to contact the limit block 22. By changing the height of the adjusting block 24, the rotation angle of the limit block 22 and the adjusting block 24 when in contact is changed, thereby achieving the purpose of adjusting the flipping angle of the flip frame 21.

[0035] Furthermore, in order to improve the machining accuracy of large workpieces during machining, e.g. Figure 1As shown, the turnover mechanism 20 further comprises a turnover positioning member 25, the rotation positioning member 33 is installed on the main frame 10 and is spaced apart from the first rotation axis F1, the frame body 211 of the turnover frame 21 is provided with a turnover positioning hole 213 corresponding to the position of the turnover positioning member 25, wherein the turnover positioning member 25 is a telescopic air cylinder, the number of the turnover positioning holes 213 is multiple, and each turnover positioning hole 213 is spaced apart around the first rotation axis F1, in use, when the turnover frame 21 is rotated to a preset angle, the turnover positioning member 25 is inserted into the corresponding turnover positioning hole 213, so as to prevent the turnover frame 21 from rotating, thereby improving the machining precision of the large workpiece in the machining process.

[0036] As shown in the figure, Figure 2 The rotation mechanism 30 comprises a rotating disc 31 and a rotation driving member 32, the rotating disc 31 is rotationally connected with the turnover frame 21, and the rotation driving member 32 drives the rotating disc 31 to rotate around the first rotation axis F1, wherein the first rotation axis F1 is perpendicular to the second rotation axis F2.

[0037] As can be understood, in order to improve the rotation precision of the rotation mechanism 30, as shown in the figure, Figure 3 The rotation mechanism 30 also comprises a rotation positioning member 33, which is the same as the turnover mechanism 20, the rotation positioning member 33 is a telescopic air cylinder and is installed on the turnover frame 21, the rotation positioning member 33 is spaced apart from the first rotation axis F1, and the rotating disc 31 is provided with a rotation positioning hole 311 corresponding to the position of the rotation positioning member 33, wherein the number of the rotation positioning holes 311 is multiple, and each rotation positioning hole is spaced apart around the first rotation axis F1, in use, when the rotating disc 31 is rotated to a preset angle, the rotation positioning member 33 is inserted into the corresponding rotation positioning hole 311, so as to prevent the rotating disc 31 from rotating, thereby improving the rotation precision of the rotation mechanism 30.

[0038] Specifically, as shown in the figure, Figure 2 The rotating disc 31 comprises a disc body 312, a first gear 313 and a second gear 314, the disc body 312 is rotationally installed on the turnover frame 21, the first gear 313 is connected with the disc body 312, the second gear 314 is connected with the rotation driving member 32, and the rotation driving member 32 is an electric motor and drives the second gear 314 to rotate.

[0039] As shown in the figure, Figure 2As shown, the clamping mechanism 40 is mounted on the rotating disc 31 for fixing the large workpiece, and specifically, the clamping mechanism 40 comprises a positioning frame 41, a fixing frame 42, a pushing piece 43 and an actuator 44, the positioning frame 41 is arranged at intervals with the fixing frame 42, the pushing piece 43 is slidingly connected with the fixing frame 42, and the actuator 44 is used to drive the pushing piece 43 to approach or move away from the positioning frame 41, wherein the pushing piece 43 comprises a push plate 431, a guide rod 432 and an adapter plate 433, the guide rod 432 is slidingly connected with the fixing frame 42, and the push plate 431 and the adapter plate 433 are respectively connected with two ends of the guide rod 432, the actuator 44 is a hand wheel and is rotatably mounted on the fixing frame 42, the actuator 44 is threadedly connected with the adapter plate 433, and by rotating the actuator 44, the adapter plate 433 can be driven to slide the guide rod 432.

[0040] The large workpiece is placed at the clamping mechanism 40 of the rotating disc 31, the rotating actuator 44 is rotated, the pushing piece 43 on the fixing frame 42 is controlled to approach the positioning frame 41, the large workpiece is fixed under the abutting of the positioning frame 41 and the pushing piece 43, when the rotation of the large workpiece needs to be controlled, the rotating drive 32 of the rotating mechanism 30 drives the rotating disc 31 to rotate to a preset position, the rotating positioning piece 33 is inserted with the corresponding rotating positioning hole 311 to prevent the rotating disc 31 from rotating in the process of welding, when the overturning of the large workpiece needs to be controlled, the overturning drive 23 drives the overturning frame 21 mounted on the rotating disc 31 to overturn to a preset angle, the overturning positioning piece 25 is inserted with the corresponding overturning positioning hole 213 to prevent the overturning frame 21 from overturning in the process of welding, until the welding operation of the large workpiece is completed.

[0041] The technical features of the above-described embodiments can be combined in any manner, and to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, but as long as the combinations of the technical features do not exist, they should be considered as the scope of the description.

[0042] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the utility model patent. It should be pointed out that for ordinary skilled persons in the art, on the premise of not departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A large workpiece dual-axis rotary welding fixture, characterized in that: include: A main frame, a flipping mechanism, a rotating mechanism and a clamping mechanism, the flipping mechanism includes a flipping frame, a limit block and a flipping drive, the flipping frame is rotatably connected to the main frame, the limit block is connected to the flipping frame, the flipping drive drives the flipping frame to rotate around a first rotation axis, the rotating mechanism includes a turntable and a rotation drive, the turntable is rotatably connected to the flipping frame, the rotation drive drives the turntable to rotate around a second rotation axis, the second rotation axis is perpendicular to the first rotation axis, and the clamping mechanism is installed on the turntable.

2. The large workpiece dual-axis rotary welding fixture according to claim 1, characterized in that: The flip frame includes a frame body and a support shaft, the frame body is connected to the support shaft, the support shaft is rotatably connected to the main frame, and the limit block is connected to the support shaft.

3. The large workpiece dual-axis rotary welding fixture according to claim 1, characterized in that: The turning mechanism further comprises an adjusting block, which is mounted on the main frame and is used to contact the limiting block.

4. The large workpiece dual-axis rotary welding fixture according to claim 1, characterized in that: The flip mechanism further includes a flip positioning piece, and the flip frame is provided with a flip positioning hole corresponding to the position of the flip positioning piece.

5. The large workpiece dual-axis rotary welding fixture according to claim 4, characterized in that: There are multiple flip positioning holes, and the flip positioning holes are arranged at intervals around the first rotation axis.

6. The large workpiece dual-axis rotary welding fixture according to claim 1, characterized in that: The rotating mechanism further includes a rotating positioning member, which is mounted on the flip frame and spaced apart from the second rotating shaft. The turntable is provided with a rotating positioning hole corresponding to the position of the rotating positioning member.

7. The large workpiece dual-axis rotary welding fixture according to claim 6, characterized in that: There are multiple rotation positioning holes, and the rotation positioning holes are arranged at intervals around the second rotation axis.

8. The large workpiece dual-axis rotary welding fixture according to claim 1, characterized in that: The turntable includes a disc body, a first gear and a second gear. The disc body is rotatably mounted on the flip frame. The first gear is connected to the disc body. The second gear is connected to the rotation driving member. The rotation driving member drives the second gear to rotate.

9. The large workpiece dual-axis rotary welding fixture according to claim 1, characterized in that: The clamping mechanism includes a positioning frame, a fixing frame, a pushing member and an actuating member. The positioning frame and the fixing frame are spaced apart. The pushing member is slidably connected to the fixing frame. The actuating member is used to drive the pushing member to approach or move away from the positioning frame.

10. The large workpiece dual-axis rotary welding fixture according to claim 9, characterized in that: The pushing member includes a pushing plate, a guide rod and an adapter plate. The guide rod is slidably connected to the fixing frame. The pushing plate and the adapter plate are respectively connected to the two ends of the guide rod. The actuating member drives the adapter plate to drive the guide rod to slide.

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