Circular welding machine

Abstract

The utility model discloses a circular welding machine which comprises a machine frame, a welding mechanism and a clamping mechanism, the machine frame is provided with a working table and a movable frame, the working table is fixedly connected to the machine frame, the movable frame is connected to the machine frame in a sliding mode, and the movable frame is connected with a rotating shaft in a rotating mode. The welding mechanism comprises a welding gun, a first driving part and a second driving part, the welding gun is arranged on the rotating shaft, the first driving part is used for driving the movable frame to do lifting motion on the rack, the second driving part is used for driving the rotating shaft to rotate on the movable frame, and the welding gun is used for welding workpieces; the clamping mechanism comprises a detection sensor, a third driving part, a pressing plate and a controller, the detection sensor is fixedly arranged on the workbench and used for detecting the workpiece, and the third driving part is arranged on the workbench and used for driving the pressing plate to move in the direction close to the workbench so as to clamp the workpiece; and the detection sensor and the third driving part are electrically connected with the controller. Automatic clamping of the workpiece can be achieved, and the welding efficiency of the workpiece is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a circular welding machine. Background Art

[0002] Circular welding machines are common automated welding equipment, widely used in the welding processing of various circular workpieces. Existing circular welding machines mainly lock the workpiece on the workbench by bolts, but this clamping method requires workers to repeatedly disassemble and assemble the workpiece, resulting in low disassembly and assembly efficiency of the workpiece, affecting the processing efficiency of the workpiece. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a circular welding machine that can improve the convenience of clamping workpieces and improve welding efficiency.

[0004] According to the circular welding machine of the first aspect embodiment of the present utility model, it includes a frame, a welding mechanism and a clamping mechanism, the frame is provided with a workbench and a movable frame, the workbench is fixedly connected to the frame, the movable frame is slidably connected to the frame, and the movable frame is rotatably connected to a rotating shaft; the welding mechanism includes a welding gun, a first driving member and a second driving member, the welding gun is arranged on the rotating shaft, the first driving member is used to drive the movable frame to move up and down on the frame, the second driving member is used to drive the rotating shaft to rotate on the movable frame, and the welding gun is used to weld the workpiece; the clamping mechanism includes a detection sensor, a third driving member, a pressure plate and a controller, the detection sensor is fixedly arranged on the workbench, the detection sensor is used to detect the workpiece, the third driving member is arranged on the workbench, and the third driving member is used to drive the pressure plate to move in a direction close to the workbench to clamp the workpiece, and the detection sensor and the third driving member are both electrically connected to the controller.

[0005] The circular welding machine according to the embodiment of the present invention has at least the following beneficial effects: the workbench is fixedly connected to the frame, the movable frame is slidably connected to the frame, the rotating shaft is rotatably connected to the movable frame, the welding gun is arranged on the rotating shaft, and the movable frame can be driven to move up and down on the frame by the first driving member, so that the rotating shaft can move in the direction close to or away from the workbench, which is convenient for the welding gun to weld the workpiece. The second driving member is used to drive the rotating shaft to rotate on the movable frame so that the welding gun can perform circular welding on the workpiece. The detection sensor is fixedly arranged on the workbench, the third driving member is fixedly connected to the workbench, and the pressure plate is arranged at the movable end of the third driving member. The workpiece can be detected by the detection sensor, and then the controller controls the third driving member to drive the pressure plate to move in the direction close to the workbench, so that the workpiece can be automatically pressed on the workbench, replacing the manual locking of the workpiece, improving the convenience of clamping the workpiece, and improving the efficiency of welding.

[0006] According to some embodiments of the utility model, the pressing plate is provided with a plurality of protrusions on the side close to the workbench, and the plurality of protrusions are arranged at intervals.

[0007] According to some embodiments of the utility model, the rack is fixedly connected with a mounting plate, the mounting plate is provided with a plurality of positioning holes, the plurality of positioning holes are arranged at intervals along the vertical direction, the workbench is fixedly connected with a fixing frame, the fixing frame is provided with a bolt, and the bolt is fixedly connected in the positioning hole.

[0008] According to some embodiments of the utility model, the mounting plate is fixedly connected with a positioning strip, the fixing frame is provided with a positioning groove, and the positioning strip is located in the positioning groove.

[0009] According to some embodiments of the utility model, the welding mechanism further comprises an adjusting assembly, the adjusting assembly comprises an adjusting plate, a sliding block and a sliding rod, the adjusting plate is fixedly connected to the rotating shaft, the adjusting plate is provided with a sliding groove along the horizontal direction, the sliding block is slidingly connected to the sliding groove, the sliding rod is slidingly connected to the sliding block along the vertical direction, and the welding gun is fixedly connected to the sliding rod.

[0010] According to some embodiments of the utility model, the sliding block is provided with a limiting block, and the limiting block can abut against both sides of the sliding groove.

[0011] According to some embodiments of the utility model, the sliding block comprises a first clamping block and a second clamping block, the sliding rod is arranged between the first clamping block and the second clamping block, and the first clamping block and the second clamping block drive to clamp the sliding rod through a fastener.

[0012] According to some embodiments of the utility model, the rack is further provided with a guide rail, the guide rail is arranged along the vertical direction, the movable frame is fixedly connected with a guide block, and the guide block is slidingly connected to the guide rail.

[0013] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be further explained in combination with the drawings and embodiments, wherein:

[0015] Figure 1 It is the front view of the circular welding machine of the utility model embodiment;

[0016] Figure 2 It is the left view of the circular welding machine of the utility model embodiment;

[0017] Figure 3A partial cross-sectional view of a circular welding machine according to an embodiment of the present invention;

[0018] Figure 4 This is a schematic diagram of the adjustment assembly of the circular welding machine according to an embodiment of the present invention.

[0019] Reference numerals:

[0020] Frame 100, workbench 110, fixed frame 111, bolts 112, positioning slots 113, movable frame 120, rotating shaft 121, mounting plate 130, positioning holes 131, positioning bars 132, guide rails 141, and guide blocks 142;

[0021] Welding mechanism 200, welding gun 210, first driving member 220, second driving member 230, adjustment assembly 240, adjustment plate 241, slider 242, slide bar 243, slide groove 244, limit block 245, first clamping block 246, second clamping block 247;

[0022] Clamping mechanism 300 , detection sensor 310 , first detection member 311 , second detection member 312 , third driving member 320 , pressing plate 330 , and protrusion 331 . DETAILED DESCRIPTION

[0023] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0024] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0025] In the description of this utility model, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0026] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0027] It is understandable that, referring to Figures 1 to 3 The circular welding machine of the present invention includes a frame 100, a welding mechanism 200 and a clamping mechanism 300. The frame 100 is provided with a workbench 110 and a movable frame 120. The workbench 110 is fixedly connected to the frame 100, and the movable frame 120 is slidably connected to the frame 100. The movable frame 120 is rotatably connected to the rotating shaft 121; the welding mechanism 200 includes a welding gun 210, a first driving member 220 and a second driving member 230. The welding gun 210 is set on the rotating shaft 121. The first driving member 220 is used to drive the movable frame 120 to move up and down on the frame 100, and the second driving member 230 is used to drive the rotating shaft 121 to rotate on the movable frame 120, and the welding gun 210 is used to weld the workpiece; the clamping mechanism 300 includes a detection sensor 310, a third driving member 320, a pressure plate 330 and a controller, the detection sensor 310 is fixedly set on the workbench 110, the detection sensor 310 is used to detect the workpiece, the third driving member 320 is set on the workbench 110, and the third driving member 320 is used to drive the pressure plate 330 to move toward the direction close to the workbench 110 to clamp the workpiece, and the detection sensor 310 and the third driving member 320 are both electrically connected to the controller.

[0028] The workbench 110 is fixedly connected to the frame 100, the movable frame 120 is slidably connected to the frame 100, and the rotating shaft 121 is rotatably connected to the movable frame 120. The welding gun 210 is mounted on the rotating shaft 121. The first driving member 220 can drive the movable frame 120 to move up and down on the frame 100, so that the rotating shaft 121 can move toward or away from the workbench 110, facilitating the welding gun 210 to weld the workpiece. The second driving member 230 is used to drive the rotating shaft 121 to rotate on the movable frame 120, so that the welding gun 210 can perform circumferential welding on the workpiece. The detection sensor 310 is fixedly set on the workbench 110, the third driving member 320 is fixedly connected to the workbench 110, and the pressure plate 330 is set at the movable end of the third driving member 320. The workpiece can be detected by the detection sensor 310, and then the controller controls the third driving member 320 to drive the pressure plate 330 to move toward the direction close to the workbench 110, so that the workpiece can be automatically pressed on the workbench 110, instead of manually locking the workpiece, thereby improving the convenience of clamping the workpiece and improving the efficiency of welding.

[0029] It should be noted that the first drive member 220 and the third drive member 320 may each be a linear cylinder, an electric push rod, or the like; the second drive member 230 may be an electric motor, a pneumatic motor, or the like; and the controller may be a single-chip microcomputer, a programmable logic controller, an industrial computer, or the like, all of which are omitted for clarity. The first drive member 220 and the second drive member 230 are also electrically connected to the controller, enabling the controller to control the movement of the first drive member 220 and the second drive member 230, thereby achieving automated welding of the workpiece and improving production efficiency.

[0030] In addition, refer to Figure 3 The detection sensor 310 includes a first detection member 311 and a second detection member 312, which are respectively arranged on either side of the workbench 110. When a workpiece is placed between the first detection member 311 and the second detection member 312, the detection sensor 310 can detect that the workpiece is on the workbench 110. The controller can control the third driving member 320 to drive the pressing plate 330 toward the workbench 110, automatically clamping the workpiece on the workbench 110 and achieving automatic clamping and fixation of the workpiece. The detection sensor 310 can be a photoelectric sensor or an ultrasonic sensor, which will not be described in detail here.

[0031] It is understandable that, referring to Figure 2 and Figure 3 The pressure plate 330 is provided with a plurality of protrusions 331 on the side close to the workbench 110. The protrusions 331 are arranged at intervals. The protrusions 331 are provided on the side close to the workbench 110. By arranging the protrusions 331 at intervals, the protrusions 331 can abut against the workpiece, thereby increasing the friction with the workpiece, reducing the positional shaking of the workpiece, and improving the clamping stability of the workpiece.

[0032] The shape of the bump 331 is hemispherical. By providing a plurality of bumps 331 to abut against the wall surface of the workpiece, the bump 331 can be prevented from damaging the workpiece, thereby improving the clamping stability of the workpiece and facilitating welding of the workpiece.

[0033] It is understandable that, referring to Figure 1 and Figure 2The frame 100 is fixedly connected to a mounting plate 130, which has a plurality of positioning holes 131 arranged at intervals in the vertical direction. The workbench 110 is fixedly connected to a fixing frame 111, which is penetrated by bolts 112, which are fixedly connected to the positioning holes 131. The mounting plate 130 is fixedly connected to the frame 100, and a plurality of positioning holes 131 are arranged at intervals in the vertical direction on the mounting plate 130. The workbench 110 is fixedly connected to the fixing frame 111, and the bolts 112 are penetrated by the fixing frame 111, and the bolts 112 are fixedly connected to the positioning holes 131. By arranging the bolts 112 in different positioning holes 131, the position of the fixing frame 111 can be easily adjusted, and the workbench 110 can be raised or lowered, so that the workbench 110 can adapt to the sizes of different workpieces, thereby improving the applicability of the circular welding machine.

[0034] It should be noted that the multiple positioning holes 131 are set into two groups, and the two groups of positioning holes 131 are arranged horizontally on both sides of the mounting plate 130. The bolts 112 are also set into two groups, so that the two groups of bolts 112 can be positioned on the two groups of positioning holes 131 respectively, thereby improving the position stability of the fixing frame 111.

[0035] Specifically, refer to Figures 1 to 3 The mounting plate 130 is fixedly connected to a positioning bar 132, and the fixing frame 111 is provided with a positioning slot 113, in which the positioning bar 132 is located. The positioning bar 132 is fixedly connected to the mounting plate 130, and the fixing frame 111 is provided with a positioning slot 113. By arranging the positioning bar 132 to be located in the positioning slot 113, the fixing frame 111 can be positioned on the mounting plate 130, which facilitates adjustment of the position of the fixing frame 111, prevents the fixing frame 111 from being skewed, facilitates alignment of the bolt 112 with the positioning hole 131, and improves the adjustment convenience of the fixing frame 111.

[0036] It is understandable that, referring to Figure 1 and Figure 4The welding mechanism 200 also includes an adjustment component 240, which includes an adjustment plate 241, a slider 242 and a slide rod 243. The adjustment plate 241 is fixedly connected to the rotating shaft 121. The adjustment plate 241 has a slide groove 244 in the horizontal direction. The slider 242 is slidably connected to the slide groove 244. The slide rod 243 is slidably connected to the slider 242 in the vertical direction. The welding gun 210 is fixedly connected to the slide rod 243. The adjusting plate 241 is fixedly connected to the rotating shaft 121, the slide groove 244 is arranged on the adjusting plate 241 in the horizontal direction, the slider 242 is slidably connected to the slide groove 244 so that the slider 242 can move in the horizontal direction, the slide bar 243 is slidably connected to the slider 242 in the vertical direction, and the welding gun 210 is fixedly connected to the slide bar 243 so that the welding gun 210 can move in the horizontal and vertical directions, thereby improving the position flexibility of the welding gun 210, facilitating the welding of different workpieces with the welding gun 210, and improving the applicability of the circular welding machine.

[0037] Specifically, refer to Figure 1 and Figure 4 The slider 242 is provided with a limit block 245 protruding from the slider 242. The limit block 245 can abut against both sides of the slide groove 244. The limit block 245 protrudes from the slider 242 and is movably connected to the slide groove 244, so that both sides of the limit block 245 can abut against the side walls of the slide groove 244, thereby limiting the position of the slider 242 in the slide groove 244, preventing the slider 242 from rotating in the slide groove 244, and improving the position stability of the slider 242.

[0038] In addition, the limiting block 245 can abut against both ends of the slide groove 244 , thereby stabilizing the position of the welding gun 210 and improving the reliability of the adjustment assembly 240 .

[0039] It should be noted that the limit block 245 is threadedly connected to a first screw, which is passed through the slide groove 244, so that the slider 242 can move smoothly in the slide groove 244, and the slider 242 can be locked in the slide groove 244 by the first screw, thereby improving the position stability of the slider 242.

[0040] Specifically, refer to Figure 1 and Figure 4The slider 242 includes a first clamping block 246 and a second clamping block 247. The slide bar 243 is arranged between the first clamping block 246 and the second clamping block 247. The first clamping block 246 and the second clamping block 247 drive the slide bar 243 to be clamped by fasteners. The slide bar 243 is arranged between the first clamping block 246 and the second clamping block 247. The fasteners pass through the first clamping block 246 and the second clamping block 247 in sequence. The fasteners can drive the first clamping block 246 and the second clamping block 247 to approach each other to clamp the slide bar 243. The position of the slide bar 243 can be easily adjusted by the first clamping block 246 and the second clamping block 247, which facilitates the adjustment of the height of the welding gun 210 and improves the applicability of the round welding machine.

[0041] It should be noted that the fastener includes a second screw and a nut. The second screw passes through the first clamp 246 and the second clamp 247 in sequence. The nut is threadedly connected to the second screw, and the nut abuts against the side of the second clamp 247 away from the first clamp 246, so that the second screw and the nut can cooperate to lock the position of the slide rod 243, thereby improving the position stability of the slide rod 243.

[0042] It is understandable that, referring to Figure 1 and Figure 2 The frame 100 is further provided with a guide rail 141, which is arranged in a vertical direction. The movable frame 120 is fixedly connected to a guide block 142, which is slidably connected to the guide rail 141. The guide rail 141 is arranged in a vertical direction on the frame 100, and the guide block 142 is fixedly connected to the movable frame 120. The guide block 142 is slidably arranged on the guide rail 141 to guide the movement of the movable frame 120 on the frame 100, thereby improving the movement stability of the movable frame 120, facilitating the welding of the workpiece by the welding gun 210, and improving the quality of the welding.

[0043] Among them, the number of guide rails 141 is set to be multiple, and the multiple guide rails 141 are arranged in parallel and spaced apart on the frame 100. The number of guide blocks 142 is also set to be multiple, and the multiple guide blocks 142 are all slidably connected to the guide rails 141 to improve the movement stability of the movable frame 120.

[0044] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. Circular welding machine, characterized in that, include: The frame is provided with a workbench and a movable frame, wherein the workbench is fixedly connected to the frame, the movable frame is slidably connected to the frame, and the movable frame is rotatably connected to a rotating shaft; The welding mechanism includes a welding gun, a first driving member, and a second driving member. The welding gun is arranged on the rotating shaft. The first driving member is used to drive the movable frame to move up and down on the frame. The second driving member is used to drive the rotating shaft to rotate on the movable frame. The welding gun is used to weld the workpiece. The clamping mechanism includes a detection sensor, a third driving member, a pressure plate and a controller. The detection sensor is fixedly arranged on the workbench, and the detection sensor is used to detect the workpiece. The third driving member is arranged on the workbench, and the third driving member is used to drive the pressure plate to move toward the workbench to clamp the workpiece. The detection sensor and the third driving member are both electrically connected to the controller.

2. The circular welding machine according to claim 1, characterized in that: A plurality of protrusions are provided on one side of the pressing plate close to the workbench, and the plurality of protrusions are arranged at intervals.

3. The circular welding machine according to claim 1, characterized in that: The frame is fixedly connected to a mounting plate, the mounting plate is provided with a plurality of positioning holes, and the plurality of positioning holes are arranged at intervals along the vertical direction; the workbench is fixedly connected to a fixing frame, the fixing frame is penetrated by bolts, and the bolts are fixedly connected to the positioning holes.

4. The circular welding machine according to claim 3, characterized in that: The mounting plate is fixedly connected with a positioning bar, the fixing frame is provided with a positioning groove, and the positioning bar is located in the positioning groove.

5. The circular welding machine according to claim 1, characterized in that: The welding mechanism also includes an adjustment component, which includes an adjustment plate, a slider and a slide rod. The adjustment plate is fixedly connected to the rotating shaft. The adjustment plate is provided with a slide groove in the horizontal direction. The slider is slidably connected to the slide groove. The slide rod is slidably connected to the slider in the vertical direction. The welding gun is fixedly connected to the slide rod.

6. The circular welding machine according to claim 5, characterized in that: The sliding block is protruded to provide a limiting block, and the limiting block can abut against both sides of the sliding groove.

7. The circular welding machine according to claim 5, characterized in that: The sliding block includes a first clamping block and a second clamping block. The sliding rod is arranged between the first clamping block and the second clamping block. The first clamping block and the second clamping block are driven by fasteners to clamp the sliding rod.

8. The circular welding machine according to claim 1, characterized in that: The frame is further provided with a guide rail, which is arranged in a vertical direction. The movable frame is fixedly connected with a guide block, and the guide block is slidably connected to the guide rail.

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