Mechanical arm rotary welding tool

Abstract

The utility model discloses a mechanical arm rotary welding tool which comprises a main support, a working table and a rotary assembly, the working table is rotationally installed at the top end of the main support through shaft rods fixed to the two ends of the working table, and a plurality of fixing clamps and a plurality of supporting positioning columns are arranged on the working table; the rotating assembly is installed on the shaft rod at one end of the workbench and comprises a rotating disc and a rotating handle, the rotating disc is coaxially fixed to the shaft rod, the rotating handle is coaxially fixed to the tail end of the shaft rod on the same side, and the rotating disc is further provided with a plurality of inserting holes distributed in the circumferential direction; a positioning disc is fixedly installed on the top of the main support on the same side as the installation position of the rotating disc, and positioning inserting rods are inserted into the positioning disc and can be inserted into the inserting holes in the rotating disc. The multi-angle workpiece welding device is simple in structure and convenient to operate, multi-angle workpiece welding can be achieved, the workbench can be limited, the situation that the welding process is affected due to rotation of the workbench is avoided, the welding quality is improved, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding tooling, in particular to a mechanical arm rotary welding tooling. Background Art

[0002] In the process of mechanical processing, product inspection, assembly and welding, a large number of process equipment, referred to as tooling, are used. It is mainly used to install the processing object so that it occupies the correct position to ensure the welding between parts and the quality of the product, and to improve productivity. However, most assembly tools are specially designed for the assembly and welding process of a certain welding assembly. They are non-standard devices and often require each manufacturer to design and manufacture them according to the structural characteristics, production conditions and actual needs of the product. When welding is required from the inside of the workpiece during the mechanical processing process, due to the special welding position, accurate welding operations cannot be performed at a fixed position, resulting in welding deviations or failure to meet welding requirements. Utility Model Content

[0003] The purpose of the utility model is to solve the deficiencies of the above-mentioned existing background technology and provide a mechanical arm rotary welding tool.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a robotic arm rotary welding tool, comprising a main bracket, a workbench and a rotating assembly, the workbench is rotatably installed on the top end of the main bracket through shafts fixed at both ends, and the workbench is provided with a number of fixing clamps and a plurality of supporting positioning columns; the rotating assembly is installed on the shaft at one end of the workbench, comprising a rotating disk and a rotating handle, wherein the rotating disk is coaxially fixed on the shaft, the rotating handle is coaxially connected to the end of the shaft on the same side and fixed relatively thereto, and the rotating disk is also provided with a plurality of sockets arranged in a circle; a positioning disk is fixedly installed on the top of the main bracket on the same side as the rotating disk installation position, the positioning disk is coaxially arranged with the rotating disk, a positioning rod is inserted on the positioning disk, and the positioning rod can be inserted into each socket on the rotating disk.

[0005] Furthermore, the main bracket is formed by welding and fixing several supporting square tubes, including a base and left and right brackets, wherein the tops of the left bracket and the right bracket are respectively provided with coaxial bearing holes; the shafts at both ends of the workbench are rotatably installed in the corresponding bearing holes.

[0006] Furthermore, the workbench has a flat surface and is provided with a hollow operating port; the workbench is also provided with a plurality of positioning holes, and a corresponding positioning pin is inserted into each positioning hole.

[0007] Furthermore, the fixing clamp is fixedly installed on the upper end surface of the workbench through a supporting seat, and includes a fixing seat, a handle, a lifting rod, a connecting arm and a clamping head; the middle and lower part of the handle is two symmetrical clamping arms that are separated, and the bottom ends of the clamping arms are hinged to the front bottom of the fixing seat; the rear end of the lifting rod is hinged to the rear top of the fixing seat, and the lifting rod passes through the middle and lower part of the handle and extends forward; the connecting arm is arranged in the middle and lower part of the handle, the lower end of the lifting rod is hinged to the lifting rod, and the upper end is hinged to the handle; the front end of the lifting rod is detachably installed with a clamping head, and the central axis of the clamping head is perpendicular to the workbench; the clamping head includes a support rod and a pressing head, the pressing head is fixedly arranged at the lower end of the support rod, and the outer side wall of the support rod is provided with an external thread, which is adjustably fixed to the front end of the lifting rod through an adjustable nut, and a gasket is provided between the adjustable nut and the lifting rod.

[0008] Furthermore, a stop block protruding outward is provided on the outer side wall of the fixing seat, near the lower end of the handle and the hinged part thereof; and a pry bar extending upward and bending backward is provided at the top end of the connecting arm.

[0009] Furthermore, the top end of the supporting positioning column is arranged in a boss shape.

[0010] Furthermore, the arrangement radius of the multiple insertion holes arranged on the rotating disk from the center of the circle is the same as the radius of the position of the positioning insertion rod on the positioning disk from the center of the circle.

[0011] Furthermore, universal wheels are respectively installed at the four corners of the bottom of the main bracket.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the utility model has a simple structure, is easy to operate, can realize multi-angle welding of workpieces, and can limit the workbench to prevent its rotation from affecting the welding process, thereby improving welding quality and increasing production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the fixing fixture in the utility model;

[0015] Figure 3 for Figure 2 Isometric view of the mid-structure;

[0016] Figure 4 It is a structural schematic diagram of the connecting arm in the fixing fixture of the utility model;

[0017] Figure 5 It is a schematic diagram of the use scenario of the utility model;

[0018] In the figure: 1. main bracket, 2. workbench, 3. left shaft, 4. right shaft, 5. rotating disk, 6. rotating handle, 7. positioning disk, 8. positioning rod, 9. fixing fixture, 10. support seat, 11. base, 12. left bracket, 13. right bracket, 21. hollow operation port, 22. support positioning column, 23. positioning hole, 24. positioning pin, 51. socket, 91. fixing seat, 92. handle, 93. lifting rod, 94. connecting arm, 95. clamping head, 96. stop block, 97. pry bar, 98. gasket, 951. pressing head, 952. support rod, A0. workpiece. DETAILED DESCRIPTION

[0019] It should be noted that, in the description of the present invention, terms such as "upper", "lower", "left", "right", "front", "back", "top", "bottom", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are relational words determined only for the convenience of describing the structural relationships of the various components in the present invention, and do not specifically mean that any component in the present invention must have a specific direction, be constructed and operated in a specific direction, and should not be understood as a limitation on the present invention.

[0020] In addition, in the utility model, the descriptions such as "first" and "second" are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0021] In the description of the present invention, 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 directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings:

[0023] like Figures 1 to 5As shown, a mechanical arm rotary welding tool comprises a main bracket 1, a workbench 2 and a rotating assembly. The main bracket 1 is formed by welding and fixing several supporting square tubes to each other, and is divided into a base 11, a left bracket 12 and a right bracket 13, which provide support for the entire welding tool, wherein the left bracket 12 and the right bracket 13 are further provided with reinforcing beams to improve stability; the tops of the left bracket 12 and the right bracket 13 are respectively provided with coaxial bearing holes, and corresponding bearings are fixedly installed in the bearing holes. The left and right ends of the workbench 2 are respectively fixedly installed with a left shaft rod 3 and a right shaft rod 4, whose axial center lines coincide, and the workbench 2 is respectively rotatably installed in the corresponding bearings through the two shaft rods.

[0024] The workbench 2 is a steel plate with a flat surface and is provided with two hollow operating ports 21, which facilitate welding operations from the back side of the workbench 2; the workbench 2 is also provided with four positioning holes 23, and each positioning hole 23 has a corresponding positioning pin 24 detachably inserted therein. When the welding operation starts, the positioning pin 24 is passed through the corresponding through hole on the workpiece A0 and inserted into the corresponding positioning hole 23 to achieve the function of limiting and fixing; the middle upper surface of the workbench 2 is also provided with four cylindrical supporting positioning columns 22, which are all fixed perpendicular to the workbench surface, and the top end of each supporting positioning column 22 is arranged in a boss shape; the workbench 2 is also provided with four fixing clamps 9, which are respectively fixed to the workbench 2 through the support seats 10 at the bottom thereof. The fixing clamp 9 includes a fixing seat 91, a handle 92, a lifting rod 93, a connecting arm 94 and a clamping head 95, wherein the fixing seat 91 is fixedly installed on the top of the corresponding supporting seat 10 by bolts, and the middle and lower parts of the handle 92 are two symmetrical clamping arms in a separated state, and the bottom of the clamping arm clamps the fixing seat 91 and is hinged to the front bottom of the fixing seat 91; the rear end of the lifting rod 93 is hinged to the rear top of the fixing seat 91, and the lifting rod 93 passes through the middle of the two clamping arms in the middle and lower parts of the handle 92 and extends forward; the connecting arm 94 is arranged between the two clamping arms in the middle and lower parts of the handle 92, and its lower end is hinged to the middle and rear position of the lifting rod 93, and its upper end is hinged to the handle 92. At the same time, the top end of the connecting arm 94 is also provided with a pry bar 97 extending upward and bending backward, so as to facilitate the lifting rod 93 to be lifted using the lever principle as the handle 92 is pulled back. The front end of the lifting rod 93 is detachably mounted with a clamping head 95, the central axis of the clamping head 95 is perpendicular to the workbench 2, and the direction of its force is perpendicular to the upper surface of the workbench 2; the clamping head 95 includes a support rod 952 and a pressing head 951, the pressing head 951 is fixedly arranged at the lower end of the support rod 952, the outer wall of the support rod 952 is provided with an external thread, and is adjustably fixedly connected to the front end of the lifting rod 93 through an adjustable nut, and a gasket 98 is provided between the adjustable nut and the lifting rod 93 to increase the force bearing area while preventing slipping and falling off. A stopper block 96 protruding outward is also provided on the outer wall of the fixed seat 91, near the lower end of the handle 92 and the hinge thereof, which is used to limit the pull-back angle of the handle 92, thereby controlling the lifting angle of the lifting rod 93.

[0025] The rotating assembly is installed at the right shaft 4 of the workbench 2, and includes a rotating disk 5 and a rotating handle 6, wherein the rotating disk 5 is coaxially mounted on the right shaft 4, located on the inner side of the right bracket 13, and the two are relatively fixedly connected by a key, and can rotate with the rotation of the workbench 2; a plurality of jacks 51 arranged in a circle are also provided on the rotating disk 5. The rotating handle 6 is coaxially mounted at the end of the right shaft 4 and relatively fixed thereto, and the workbench 2 can be driven to rotate by rotating the rotating handle 6. A positioning plate 7 is fixedly installed on the outer side of the top end of the right bracket 13, and the axis of the positioning plate 7 is coaxial with the axis of the rotating plate 5. A positioning rod 8 is also inserted on the positioning plate 7. The distance between the positioning rod 8 and the center of the positioning plate 7 is consistent with the distance between the insertion hole 51 on the rotating plate 5 and the center of the rotating plate 5, so that the positioning rod 8 can be inserted from the positioning plate 7 to the corresponding insertion hole 51 of the rotating plate 5, limiting it to prevent it from rotating on its own, thereby limiting the fixed rotation angle of the workbench 2.

[0026] As a further optimized technical solution of the present invention, the support seat 10 can adjust its height up and down to adapt to the height of various workpieces A0.

[0027] As a further optimized technical solution of the utility model, universal wheels are fixedly installed at the four corners of the bottom of the above-mentioned main bracket 1 to facilitate the movement of the welding tooling to meet the use in different scenarios.

[0028] The relevant technical features that have not been described or mentioned in detail in the above embodiments can be achieved by adopting or referring to the relevant technical solutions in the prior art.

[0029] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. A mechanical arm rotary welding tool, characterized in that: It includes a main bracket, a workbench and a rotating assembly, wherein the workbench is rotatably mounted on the top end of the main bracket through shafts fixed at both ends thereof, and the workbench is provided with a number of fixing clamps and a number of supporting positioning columns; the rotating assembly is installed on the shaft at one end of the workbench, and includes a rotating disk and a rotating handle, wherein the rotating disk is coaxially fixed on the shaft, the rotating handle is coaxially connected to the end of the shaft on the same side and fixed relatively thereto, and the rotating disk is also provided with a number of sockets arranged in a circle; a positioning disk is fixedly mounted on the top of the main bracket on the same side as the rotating disk installation position, the positioning disk is coaxially arranged with the rotating disk, a positioning rod is inserted on the positioning disk, and the positioning rod can be inserted into each socket on the rotating disk.

2. The mechanical arm rotary welding tool according to claim 1, characterized in that: The main bracket is formed by welding and fixing several supporting square tubes, and includes a base and left and right brackets, wherein the tops of the left bracket and the right bracket are respectively provided with coaxial bearing holes; the shafts at both ends of the workbench are rotatably installed in the corresponding bearing holes.

3. The mechanical arm rotary welding tool according to claim 1, characterized in that: The workbench has a flat surface and is provided with a hollow operating port; the workbench is also provided with a plurality of positioning holes, and a corresponding positioning pin is inserted into each positioning hole.

4. The mechanical arm rotary welding tool according to claim 1, characterized in that: The fixing clamp is fixedly installed on the upper end surface of the workbench through a supporting seat, and includes a fixing seat, a handle, a lifting rod, a connecting arm and a clamping head; the middle and lower part of the handle is two symmetrical clamping arms that are separated, and the bottom ends of the clamping arms are hinged to the front bottom of the fixing seat; the rear end of the lifting rod is hinged to the rear top of the fixing seat, and the lifting rod passes through the middle and lower part of the handle and extends forward; the connecting arm is arranged in the middle and lower part of the handle, the lower end of the lifting rod is hinged to the lifting rod, and the upper end is hinged to the handle; the front end of the lifting rod is detachably mounted with a clamping head, and the central axis of the clamping head is perpendicular to the workbench; the clamping head includes a support rod and a pressing head, the pressing head is fixedly arranged at the lower end of the support rod, and the outer side wall of the support rod is provided with an external thread, which is adjustably fixed to the front end of the lifting rod through an adjustable nut, and a gasket is provided between the adjustable nut and the lifting rod.

5. The mechanical arm rotary welding tool according to claim 4, characterized in that: A stopper block protruding outward is arranged on the outer side wall of the fixing seat, near the lower end of the handle and the hinged part thereof; a pry bar extending upward and bending backward is arranged on the top end of the connecting arm.

6. The mechanical arm rotary welding tool according to claim 1, characterized in that: The top end of the supporting positioning column is arranged in a boss shape.

7. The mechanical arm rotary welding tool according to claim 1, characterized in that: The arrangement radius of the multiple insertion holes arranged on the rotating disk from the center of the circle is the same as the radius of the position of the positioning insertion rod on the positioning disk from the center of the circle.

8. The mechanical arm rotary welding tool according to claim 1, characterized in that: Universal wheels are also installed at the four corners of the bottom of the main bracket.

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