Precision control movable frame welding robot

Abstract

The utility model discloses a precise control movable type frame welding robot which comprises a rack, a mounting table, a limiting mechanism, an auxiliary mechanism, a first supporting mechanism, a second supporting mechanism and a welding robot body. The mounting tables are arranged at the two ends of the rack correspondingly, the two second supporting mechanisms are arranged, the first supporting mechanism is arranged, and the second supporting mechanisms are arranged on the two sides of the first supporting mechanism; the two ends of the first supporting mechanism are fixedly connected with the mounting table, and the two ends of the second supporting mechanism are movably connected. The auxiliary mechanism is arranged on the second supporting mechanism, and the limiting mechanism is arranged on the mounting table; the welding robot is arranged on one side of the rack and can conduct movable welding, and a PLC is arranged on one side of the rack for program control. According to the utility model, the assembly of the frame and the positioning of the structural member can be completed through the mutual cooperation of the auxiliary mechanism, the first supporting mechanism, the second supporting mechanism and the limiting mechanism, and the rapid welding can be completed through the cooperation with the welding robot.

Description

TECHNICAL FIELD

[0001] The utility model belongs to robot welding technical field, especially relate to a precision control mobile frame welding robot. BACKGROUND

[0002] Industrialization degree improves unceasingly, and automation technology is also widely applied in various trades and professions, at present, in industrial production, the welding field and technology automation welding are applied and popularized unceasingly, can reduce labor cost, also can realize accurate welding and improve welding quality;

[0003] After the retrieval, the existing technology announcement No. CN214816037U is a gantry type welding robot, in the present scheme, the pressing plate can be quickly installed on the workpiece to be processed by pulling the pressing rod handle, so that the workpiece of larger size can be welded, and the workpiece to be welded can be quickly fixed and disassembled, saving time and effort, and improving the working efficiency of the equipment;

[0004] The existing technology announcement No. CN219026420U is a lifting type gantry welding robot, in the present scheme, the fans inside the plurality of installation cavities can be used to air cool the welding position of the workpiece, and the end of the connecting pipe is connected to the water supply device, so that water enters the inside of the conveying pipe through the connecting pipe and is sprayed through the plurality of spray heads, thereby quickly cooling the welding position on the surface of the workpiece, accelerating the processing efficiency of the workpiece, and reducing the phenomenon of scalding of the operator;

[0005] However, the above two schemes have the same disadvantages, that is, the welding objects or welding components are relatively single, and only simple single-board welding can be performed, and it is difficult to perform welding of relatively complex products, for example, a steel material tray frame commonly used in factories or warehouses needs different structural parts to be combined and welded at different positions and heights, and it is difficult to position and pre-fix the structural parts according to the above schemes;

[0006] Therefore, in order to meet the product demand, the present scheme provides a scheme for frame welding SUMMARY

[0007] The utility model discloses a kind of frame welding robot of precision control mobile, can be completed the assembly of frame and the positioning of structural part by the mutual cooperation of auxiliary mechanism, first support mechanism, second support mechanism, limiting mechanism, then cooperate with welding robot to be able to complete quick welding.

[0008] To achieve the above object, the technical scheme adopted by the utility model is:

[0009] The application discloses a precision control mobile frame welding robot, which comprises a frame, a mounting table, a limiting mechanism, an auxiliary mechanism, a first supporting mechanism, a second supporting mechanism and a welding robot.

[0010] The bottom of the frame is provided with a first motor and a first transmission shaft rotatably connected with the frame, the two ends of the first transmission shaft are provided with bevel gears, and the shaft end of the first motor is connected with the end of the first transmission shaft.

[0011] The two ends of the mounting table are slidably connected with the frame, the mounting table is provided with a first mounting groove, the first mounting groove is provided with a first bidirectional screw rod, the end of the first bidirectional screw rod is rotatably connected with the mounting table, the one end of the first bidirectional screw rod is provided with a bevel gear, the one end of the second transmission shaft is rotatably connected with the mounting table through a bearing, the end of the second transmission shaft is provided with a bevel gear and is engaged with the bevel gear at the one end of the first bidirectional screw rod, and the shaft end of the second motor is connected with the one end of the second transmission shaft.

[0012] The second supporting mechanism comprises a supporting frame, a top plate and a third motor, the supporting frame is hollow, the supporting frame is provided with a top opening and a bottom opening, the two ends of the supporting frame are provided with supporting blocks, the supporting blocks are arranged in the first mounting groove and are threadedly connected with the first bidirectional screw rod, the top plate is provided with a pair of top plates arranged in the supporting frame, the top plates are symmetrically arranged, the top plate is provided with a second guide shaft and is slidably connected with the supporting frame, the top plate is provided with an ear plate and is arranged in the opening, the ear plate is provided with a second bidirectional screw rod, the second bidirectional screw rod is threadedly connected with the ear plate on the pair of top plates, the second bidirectional screw rod is provided with a worm gear in the middle, the two ends of the second bidirectional screw rod are fixed on the bottom of the supporting frame through bearing seats, the third motor is fixed on the bottom of the supporting frame through a fixing seat, the shaft end of the third motor is provided with a worm, the two ends of the worm are rotatably connected with the supporting frame and the fixing seat respectively, and the worm is engaged with the worm gear.

[0013] The auxiliary mechanism comprises a second electric push rod, an arc-shaped arm, a screw rod, a limiting block, a fixed shaft and a support plate, the arc-shaped arm is provided in a plurality of groups, the support plate is fixed on the side wall of the support frame, the arc-shaped arm is hingedly connected with the support plate, the through shaft section of the screw rod is rotationally connected with the end portion of the arc-shaped arm, a plurality of groups of the limiting blocks are threadedly connected on the screw rod, the fixed shaft is fixedly connected with the other end of the arc-shaped arm, the second electric push rod base is provided with a hingedly connected fixed plate, the fixed plate is fixedly connected with the bottom of the support frame, and the top shaft of the second electric push rod is hingedly connected with the arc-shaped arm.

[0014] The limiting mechanism comprises a first electric push rod and a first push plate, the first electric push rod is fixed on the mounting table, and the first push plate is provided with a first guide shaft which is slidingly connected with the mounting table; the first push plate is provided with a second mounting groove, and the second mounting groove is provided with a spring and a second push plate, the spring pushes the second push plate, and the end portion of the second push plate abuts against the top plate outside the second support mechanism which is higher than the support frame.

[0015] The first support mechanism and the second support mechanism are different in that the heights of the pair of top plates on the first support mechanism are the same and are flush with the top of the support frame.

[0016] Further, a group of welding robots is arranged on each side of the frame to facilitate rapid division welding.

[0017] The frame is formed by welding vertical plates and horizontal plates.

[0018] The utility model has the advantages that compared with the prior art, the utility model has the beneficial effects of:

[0019] 1) In the auxiliary mechanism, the second electric push rod can control the screw rod to press the horizontal plate, the limiting block can clamp and position the horizontal plate, the horizontal plate cannot change position by sliding on the vertical plate, and the limiting block can adapt to the installation and positioning of horizontal plates with different widths by adjusting the distance by rotating;

[0020] 2) In the limiting mechanism, the spring pushes the second push plate to abut against the top plate outside the second support mechanism which is higher than the support frame, so that the limiting mechanism can adapt to the positioning of vertical plates with different distances;

[0021] 3) In the mounting table, the second motor can provide power, the first bidirectional screw rod can drive the second support mechanism to move along the first mounting groove to change and adjust the distance between the vertical plates, and the mounting table can adapt to the installation and support of frames with different specifications. BRIEF DESCRIPTION OF DRAWINGS

[0022] ATTACHED Figure 1 IS A PRECISE CONTROL MOBILE FRAME WELDING ROBOT STRUCTURE SCHEMATIC OF THE UTILITY MODEL Figure 1 ;

[0023] ATTACHED Figure 2 IS A PRECISE CONTROL MOBILE FRAME WELDING ROBOT STRUCTURE SCHEMATIC OF THE UTILITY MODEL Figure 2 ;

[0024] Figure 2 is a side view of the precision control mobile frame welding robot of the utility model; Figure 3 is a side view of the precision control mobile frame welding robot of the utility model;

[0025] Figure 3 is a top view of the precision control mobile frame welding robot of the utility model; Figure 4 is a top view of the precision control mobile frame welding robot of the utility model;

[0026] Figure 4 is a structural schematic diagram of the mounting table of the utility model; Figure 5 Figure 5 is a structural schematic diagram of the support frame of the utility model;

[0027] Figure 6 Figure 6 is a structural schematic diagram of the support frame of the utility model; Figure 1

[0028] Figure 7 is a structural schematic diagram of the limiting mechanism of the utility model; Figure 7 Figure 2

[0029] Figure 8 is a structural schematic diagram of the auxiliary mechanism of the utility model; Figure 8 Figure 9 is a structural schematic diagram of the auxiliary mechanism of the utility model;

[0030] Figure 9 Figure 10 is a structural schematic diagram of the auxiliary mechanism of the utility model; Figure 1

[0031] Figure 11 is a structural schematic diagram of the frame of the utility model; Figure 10 Figure 2

[0032] Figure 12 is a structural schematic diagram of the frame of the utility model; Figure 11 Figure 13 is a structural schematic diagram of the frame of the utility model;

[0033] Figure 1: 1, rack; 11, first motor; 12, first transmission shaft; 13, screw;

[0034] 2, mounting table; 21, first mounting groove; 22, first bidirectional screw; 23, second transmission shaft; 24, second motor;

[0035] 3, limiting mechanism; 31, first electric push rod; 32, first push plate; 321, second mounting groove; 322, spring; 323, second push plate; 33, first guide shaft;

[0036] 4, auxiliary mechanism; 41, second electric push rod; 411, fixed plate; 42, arc-shaped arm; 43, screw rod; 44, limiting block; 45, fixed shaft; 46, support plate;

[0037] 5, first support mechanism;

[0038] 6, second support mechanism; 61, support frame; 611, opening; 612, through hole; 613, support block; 62, top plate; 621, ear plate; 622, second bidirectional screw; 623, worm wheel; 624, second guide shaft; 63, third motor; 631, fixed seat; 632, worm;​​​​​​​​

[0039] 8, frame; 81, vertical plate; 82, horizontal plate;

[0040] 7, welding robot; 9, PLC controller; DETAILED DESCRIPTION

[0041] For the convenience of those skilled in the art to understand, the following will be combined with the drawings of the present application Figures 1-11 The technical scheme of the present application is further specifically explained.

[0042] A precision control mobile frame welding robot, comprising a rack 1, a mounting table 2, a limiting mechanism 3, an auxiliary mechanism 4, a first supporting mechanism 5, a second supporting mechanism 6, and a welding robot 7; the mounting table 2 is provided with a pair of and is respectively arranged at both ends of the rack 1, the second supporting mechanism 6 is provided with two groups, the first supporting mechanism 5 is provided with a group, and the second supporting mechanism 6 is arranged on both sides of the first supporting mechanism 5; the first supporting mechanism 5 is fixedly connected with the mounting table 2 at both ends, and the second supporting mechanism 6 is movably connected with the mounting table at both ends; the auxiliary mechanism 4 is arranged on the second supporting mechanism 6, and the limiting mechanism 3 is arranged on the mounting table 2; the welding robot 7 is arranged on one side of the rack 1 and can move for welding, and the one side of the rack 1 is provided with a PLC controller 9 for program control.

[0043] The first motor 11 and the first transmission shaft 12 rotatably connected with the rack 1 are arranged on the bottom of the rack 1, the first transmission shaft 12 is provided with a bevel gear at both ends, and the first motor 11 is connected with the end of the first transmission shaft 12.

[0044] The mounting table 2 is threadedly connected with the lead screw 13, and the mounting table 2 is also slidably connected with the rack 1 at both ends; the mounting table 2 is provided with a first mounting groove 21, the first mounting groove 21 is provided with a first bidirectional lead screw 22, the first bidirectional lead screw 22 is rotatably connected with the mounting table 2 at the end, the first bidirectional lead screw 22 is provided with a bevel gear at one end, the mounting table 2 is provided with a second motor 24 and a second transmission shaft 23 rotatably connected with the mounting table 2 through a bearing at one end, the second transmission shaft 23 is provided with a bevel gear at the end and engages with the bevel gear at one end of the first bidirectional lead screw 22; the second motor 24 is connected with one end of the second transmission shaft 23.

[0045] The second supporting mechanism 6 comprises a supporting frame 61, a top plate 62 and a third motor 63. The supporting frame 61 is hollow inside and is provided with a top opening 611 and a bottom opening 612. The supporting frame 61 is provided with supporting blocks 613 at both ends, which are arranged in the first mounting groove 21 and are threadedly connected to the first bidirectional lead screw 22. The top plate 62 is arranged in the supporting frame 61 and is provided with a pair of second guide shafts 624, which are symmetrically arranged on the top plate 62 and are slidably connected to the supporting frame 61. The top plate 62 is provided with ear plates 621, which are arranged in the openings 612. The ear plates 621 are provided with second bidirectional lead screws 622, which are threadedly connected to the ear plates 621 on the top plate 62. The second bidirectional lead screws 622 are provided with worm gears 623 in the middle. The second bidirectional lead screws 622 are fixed to the bottom of the supporting frame 61 through bearing seats at both ends. The third motor 63 is fixed to the bottom of the supporting frame 61 through a fixing seat 631. The third motor 63 is provided with a worm 632 at the shaft end, which is rotatably connected to the supporting frame 61 and the fixing seat 631 at both ends. The worm 632 is engaged with the worm gear 623. The height of the outer top plate 62 of the second supporting mechanism 4 is higher than that of the inner top plate 62, so as to limit the alignment of the horizontal plate 82 on the frame 8. Further, the height of the inner top plate 62 is flush with the top of the supporting frame 61.

[0046] The auxiliary mechanism 4 comprises a second electric push rod 41, an arc-shaped arm 42, a lead screw 43, a limiting block 44, a fixing shaft 45 and a supporting plate 46. The arc-shaped arm 42 is arranged in several groups. The supporting plate 46 is fixed to the side wall of the supporting frame 61. The arc-shaped arm 42 is hingedly connected to the supporting plate 46. The through shaft segment of the lead screw 43 is rotatably connected to the end of the arc-shaped arm 42. The lead screw 43 is provided with several groups of limiting blocks 44 which are threadedly connected. The fixing shaft 45 is fixedly connected to the other end of the arc-shaped arm 42. The base of the second electric push rod 41 is provided with a hingedly connected fixing plate 411, which is fixedly connected to the bottom of the supporting frame 61. The top shaft of the second electric push rod 41 is hingedly connected to the arc-shaped arm 42.

[0047] The limiting mechanism 3 comprises a first electric push rod 31 and a first push plate 32. The first electric push rod 31 is fixed to the mounting table 2. The first push plate 32 is provided with a first guide shaft 33 which is slidably connected to the mounting table 2. The first push plate 32 is provided with a second mounting groove 321. The second mounting groove 321 is provided with a spring 322 and a second push plate 323. The spring 322 pushes the second push plate 323. The end of the second push plate 323 abuts against the top plate 62 of the second supporting mechanism 6 which is higher than the supporting frame 61.

[0048] The first supporting mechanism 5 and the second supporting mechanism 6 are different only in that the height of the pair of top plates 62 on the first supporting mechanism 5 is the same and flush with the top of the supporting frame 61.

[0049] Further, a group of welding robots 7 is arranged on each side of the rack 1 to facilitate rapid division of welding work.

[0050] The frame 8 is welded by the vertical plate 81 and the horizontal plate 82.

[0051] A precision control mobile frame welding robot, the working process is as follows:

[0052] The first support mechanism 5 and the second support mechanism 6 support the vertical plate 81 of the frame 8 through the PLC controller 9, the vertical plate 81 is fixed by the symmetrically arranged top plate 62, the top plate 62 is controlled to rotate by the third motor 63, the worm 632 and the worm gear 623, and then the second bidirectional screw 622 is controlled to rotate, so that the top plate 62 clamps the vertical plate 81; then the first electric push rod 31 in the limiting mechanism 3 pushes the first push plate 32, so that the first push plate 32 pushes the end of the vertical plate 81 to be aligned and positioned and fixed.

[0053] According to the size of the frame, the distance between the vertical plates 81 is adjusted, the second motor 24 drives the second transmission shaft 23 to rotate, and then drives the first bidirectional screw 22 to rotate, so that the support block 613 and the support frame 61 move along the first installation slot 21 to realize the distance adjustment.

[0054] Further, according to the distance of the horizontal plate 82, a line is drawn on the vertical plate for positioning, and then the horizontal plate 82 is manually placed, or a loading manipulator is arranged on one side of the rack 1 for precise loading. The loading manipulator here belongs to the existing mature technology and will not be described in detail; then when the distance is adjusted, the limiting block 44 is rotated to clamp the horizontal plate 82, and then the second electric push rod 41 pushes the arc-shaped arm 42 to make the screw rod 43 press the horizontal plate 82 and clamp the horizontal plate 82 through the limiting block 44 with adjusted distance to limit the sliding of the horizontal plate 82 to realize fixation. During the loading process, the end of the horizontal plate 82 is limited and aligned by the higher top plate 62 outside the second support mechanism 6.

[0055] Then the welding robot 7 is used for step-by-step welding.

[0056] The first motor 11 can also drive the first transmission shaft 12 to rotate, drive the screw rod 13 to rotate, and then drive the installation table 2 to move up and down synchronously, so as to facilitate the welding robot 7 to weld the bottom and top of the frame 8.

[0057] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "vertical", "horizontal", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0058] As described above, including but not limited to electronic or electrical components such as electric push rod, motor, etc. are prior art components, obtained by private customization or purchase, and the electrical connection between each component is the conventional circuit connection or electrical connection in the prior art, including PLC controller and various electrical components, which is not within the protection scope of the present application;

[0059] The above content is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements or use similar ways to replace the described specific embodiments, as long as they do not deviate from the structure of the utility model or exceed the scope defined in the present claims, which shall belong to the protection scope of the utility model.

Claims

1. A precision control mobile frame welding robot, comprising a rack, a mounting table, a limiting mechanism, an auxiliary mechanism, a first supporting mechanism, a second supporting mechanism, a welding robot; characterized in that The mounting table is provided with a pair of and is respectively arranged at both ends of the rack, the second supporting mechanism is provided with two groups, the first supporting mechanism is provided with a group, and the second supporting mechanism is arranged on both sides of the first supporting mechanism; the first supporting mechanism is fixedly connected with the mounting table at both ends, and the second supporting mechanism is movably connected with the mounting table at both ends; the auxiliary mechanism is arranged on the second supporting mechanism, and the limiting mechanism is arranged on the mounting table; the welding robot is arranged on one side of the rack and can move for welding, and the one side of the rack is provided with a PLC controller for program control. The second supporting mechanism comprises a supporting frame, a top plate and a third motor; the supporting frame is hollow inside, and the supporting frame is provided with a top opening and a bottom opening; the supporting frame is provided with supporting blocks at both ends, the supporting blocks are arranged in the first mounting groove and are threadedly connected with the first bidirectional screw; the top plate is provided with a pair of and is arranged in the supporting frame, the top plates are symmetrically arranged, the top plate is provided with a second guide shaft and is slidably connected with the supporting frame, and the top plate is provided with an ear plate and is arranged in the opening; the ear plate is provided with a second bidirectional screw, the second bidirectional screw is threadedly connected with the ear plates on the pair of top plates, the second bidirectional screw is provided with a worm gear in the middle, and the second bidirectional screw is fixed on the bottom of the supporting frame through a bearing seat at both ends; the third motor is fixed on the bottom of the supporting frame through a fixed seat, the third motor shaft end is provided with a worm, and the worm is rotatably connected with the supporting frame and the fixed seat at both ends, and the worm is engaged with the worm gear; the height of the outer top plate close to the auxiliary mechanism is higher than that of the inner top plate, so that the effect of limiting alignment of the cross plate on the frame is achieved, and further, the height of the inner top plate is flush with the top of the supporting frame.

2. A precision controlled mobile frame welding robot according to claim 1, characterized in that The first motor is arranged on the bottom of the rack, and a first transmission shaft is rotatably connected with the rack; the first transmission shaft is provided with bevel gears at both ends, and the first motor shaft end is connected with the end of the first transmission shaft; the rack is provided with a screw rotatably connected at both ends, and the screw is provided with a bevel gear at one end and is engaged with the end of the first transmission shaft.

3. The precision controlled mobile frame welding robot of claim 1, wherein The mounting table is threadedly connected with the screw, and the mounting table is slidably connected with the rack at both ends; the mounting table is provided with a first mounting groove, the first mounting groove is provided with a first bidirectional screw, the end of the first bidirectional screw is rotatably connected with the mounting table, the first bidirectional screw is provided with a bevel gear at one end, the mounting table is provided with a second motor and a second transmission shaft rotatably connected with the mounting table through a bearing at one end, the end of the second transmission shaft is provided with a bevel gear and is engaged with the bevel gear at one end of the first bidirectional screw; the second motor shaft end is connected with one end of the second transmission shaft.

4. The precision controlled mobile frame welding robot of claim 1, wherein The auxiliary mechanism comprises a second electric push rod, an arc-shaped arm, a screw, a limiting block, a fixed shaft and a supporting plate; the arc-shaped arm is provided with a plurality of groups, the supporting plate is fixed on the side wall of the supporting frame, the arc-shaped arm is hingedly connected with the supporting plate, the through shaft segment of the screw is rotatably connected with the end of the arc-shaped arm, a plurality of limiting blocks are threadedly connected on the screw, the fixed shaft is fixedly connected with the other end of the arc-shaped arm, and the second electric push rod base is provided with a hingedly connected fixed plate, the fixed plate is fixedly connected with the bottom of the supporting frame, and the second electric push rod top shaft is hingedly connected with the arc-shaped arm.

5. The precision controlled mobile frame welding robot of claim 1, wherein The limiting mechanism comprises a first electric push rod and a first push plate; the first electric push rod is fixed on the mounting table, and the first push plate is provided with a first guide shaft slidably connected with the mounting table; the first push plate is provided with a second mounting groove, the second mounting groove is provided with a spring and a second push plate, the spring pushes the second push plate, and the end of the second push plate abuts against the top plate of the second supporting mechanism outside the supporting frame.

6. The precision controlled mobile frame welding robot of claim 1, wherein The first support mechanism and the second support mechanism are different only in that a pair of top plates on the first support mechanism are of the same height and flush with the top of the support frame.

7. The precision controlled mobile frame welding robot of claim 1, wherein A set of welding robots are arranged on both sides of the frame to facilitate quick division welding.

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