Machining device for industrial robot parts

Abstract

A machining device for industrial robot parts, comprising a first frame plate (1), a second frame plate (2), a rotating disc (3), a correction device (4) and a fixing device (5). The rotating disc is rotationally connected to the center of the first frame plate, and the correction device is arranged on the rotating disc; a rotating assembly (6) is arranged between the fixing device and the first frame plate, and a plurality of supporting columns (8) are evenly distributed in the diagonal directions of the first frame plate; a positioning device (9) is further provided at the bottom portion of the first frame plate, and the correction device is used in cooperation with the supporting columns. After a universal ball (81) is used to lift a bottom plate (72), the correction device is used to correct a square tube (71) and the bottom plate to the center position, and the square tube and the bottom plate overlap and align with each other, thus avoiding misalignment between the square tube and the bottom plate at the welding positions. The fixing device can automatically fix rib plates (73) to required welding positions, and the correction device and the fixing device can adapt to the welding work of a base (7) within a certain size range, thereby satisfying production requirements of factories.

Description

A processing device for industrial robot parts Technical Field

[0001] The present invention relates to the field of robot parts processing, and in particular to a processing device for industrial robot parts. Background Art

[0002] The industrial robot base is a base used to support the robot body and fix it to the ground. Most existing bases are square tubes with two base plates welded at the upper and lower ends, and then reinforcement ribs are welded between the base plates and the square tube to make a complete base.

[0003] Most of the existing base welding work involves placing the base plate on the ground, then placing the square tube on the base plate, and manually aligning the square tube with the base plate, while holding the square tube for welding. When welding the ribs, it is also necessary to mark the position to be welded on the base plate before welding. The lack of corresponding positioning devices during the welding process leads to positional offsets between the square tube and the base plate, and between the ribs and the square tube and the base plate. This results in poor accuracy of the welded base, which affects the subsequent operation of the carrying robot. Therefore, once the positions of the components are found to be offset after welding, the base can only be scrapped, which is easy to cause waste.

[0004] When dealing with some bases with larger production volumes, some factories will design corresponding positioning devices to assist in welding. However, the base sizes required by different robots are different, and existing specific positioning devices are difficult to meet the welding requirements of bases of different sizes. Summary of the Invention

[0005] The object of the present invention is to provide a processing device for industrial robot parts to solve the problems mentioned in the above background technology.

[0006] A processing device for industrial robot parts includes a frame plate 1, a frame plate 2, a turntable, a correction device and a fixing device. The frame plate 1 is fixedly connected to the upper part of the frame plate 2.

[0007] The turntable is rotatably connected to the center of the frame plate 1, and the correction device is provided on the turntable and is used to correct the square tube and the bottom plate of the robot base to the center position;

[0008] A fixing device is provided on one side of the frame plate, and the fixing device is used to fix the rib plate to the center of the square tube and the bottom plate, and to contact and fit with the square tube and the bottom plate. A rotating assembly is provided between the fixing device and the frame plate, and the rotating assembly is used to rotate the fixing device and maintain it in a horizontal and vertical state;

[0009] A plurality of support columns are evenly distributed in the diagonal direction of the frame plate 1, and a universal ball is provided on the top of each support column;

[0010] A positioning device is further provided at the bottom of the frame plate 1. Four positioning holes for positioning the positioning device are equidistantly provided on the circumference of the turntable. The positioning device is used to limit the rotation of the turntable.

[0011] Preferably, the correction device includes motor 1, which is fixedly connected to the frame plate 2, and its output shaft passes through the turntable and is fixedly connected to a gear, the upper and lower layers of the gear are engaged with a pair of parallel racks, and the racks on different layers are perpendicular to each other, the racks are slidably connected to the limit blocks provided on the turntable, and the outer end of the rack is fixedly connected to a push plate.

[0012] Preferably, the fixing device includes a rotating frame, the internal rotation of the rotating frame is connected to a limit shaft and a bidirectional screw rod, and the limiting shaft is slidably connected to two symmetrical clamping plates, which are respectively threadedly connected to two different-direction threads of the bidirectional screw rod. The outer side of the rotating frame is fixedly connected to motor 2, and the output shaft of motor 2 is fixedly connected to the bidirectional screw rod. The rotating frame is also fixedly connected to an electric push rod, and the output shaft of the electric push rod is fixedly connected to a connecting block, and a push block is hinged on the connecting block. The rotating frame is connected to the frame plate 1 through a rotating assembly, and the rotating assembly is used to rotate the rotating frame after rotation and maintain it in a horizontal and vertical state.

[0013] Preferably, the inner side of the splint extending outward is rotatably connected to a plurality of sliding rollers, and the outer sides of the sliding rollers are provided with an anti-slip layer.

[0014] Preferably, the rotating assembly includes a support and a sliding shaft, a hinge block is provided on the back of the rotating frame, a spline groove 1 is provided in the hinge block, a spline groove 2 identical to the spline groove 1 is provided in the support, the hinge block is located in the support, the sliding shaft is slidably connected to the hinge block and the support, one end of the sliding shaft is fixedly connected to a baffle 1, and the other end is fixedly connected to a baffle 2, a spring 1 is sleeved on the sliding shaft between the baffle 1 and the support, a spline 1 is provided in the middle of the sliding shaft, a spline 2 is provided between the baffle 1 and the spline 1, the spline 1 is slidably connected to the spline groove 1, and the spline 2 is slidably connected to the spline groove 2.

[0015] Preferably, the positioning device includes a rod and an electromagnet, the outer end of the rod passes through a bracket provided at the bottom of the frame plate and is fixedly connected to an iron sheet, the rod is slidably connected to the bracket, a limiting ring is provided on the rod, a spring 2 is sleeved on the rod between the limiting ring and the bracket, the electromagnet is provided on the outside of the iron sheet and is fixedly connected to the frame plate, and a ball is provided on the inner end of the rod

[0016] The advantages of the present invention are:

[0017] By setting a correction device at the center of the frame plate and using it together with the support column, the base plate can be lifted up by using the universal ball, and then the square tube and the base plate are corrected to the center position by using the correction device, and the square tube and the base plate are aligned with each other, avoiding the deviation of the welding position of the square tube and the base plate;

[0018] A fixing device is set around the correction device to automatically fix the rib plate to the required welding position, which is convenient for subsequent welding work;

[0019] The correction device and the fixing device can adapt to the welding work of bases within a certain size range. When dealing with bases of different sizes, there is no need to redesign the positioning tooling as in the past. It has strong adaptability and can meet the production needs of the factory.

[0020] In addition, the correction device composed of gears and racks can also drive the turntable and the robot base to rotate together when the insertion rod is not inserted into the positioning hole, thereby replacing the side of the rib to be welded while ensuring that the center position of the robot base remains unchanged. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] FIG1 is a schematic diagram of the overall structure of the present invention;

[0022] FIG2 is a schematic structural diagram of the correction device after the base is cut open;

[0023] FIG3 is a partial enlarged view of point A in FIG1 ;

[0024] FIG4 is a schematic structural diagram of a fixing device;

[0025] Figure 5 is a schematic structural diagram of a rotating assembly;

[0026] FIG6 is a schematic diagram of a cutaway view of the turntable and the positioning device;

[0027] FIG7 is a partial enlarged view of point B in FIG6;

[0028] FIG8 is a schematic structural diagram of the robot base.

[0029] In the figure: 1, rack plate 1; 11, through hole; 2, rack plate 2; 3, turntable;

[0030] 4. Correction device; 41. Motor 1; 42. Gear; 43. Rack; 44. Limit block; 45. Push plate;

[0031] 5. Fixing device; 50. Rotating frame; 501. Articulated block; 51. Limiting shaft; 52. Bidirectional screw; 53. Clamping plate; 54. Second motor; 55. Electric push rod; 56. Connecting block; 57. Push block; 58. Sliding roller;

[0032] 6. Rotating assembly; 61. Support; 62. Sliding shaft; 63. Blocking piece 1; 64. Blocking piece 2; 65. Spring 1; 66. Spline 1; 67. Spline 2;

[0033] 7. Base; 71. Square tube; 72. Bottom plate; 73. Rib plate; 8. Support column; 81. Universal ball;

[0034] 9. Positioning device; 91. Insert rod; 92. Electromagnet; 93. Bracket; 94. Iron sheet; 95. Limiting ring; 96. Spring 2. DETAILED DESCRIPTION

[0035] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0036] As shown in Figures 1 to 8, a processing device for industrial robot parts includes a frame plate 1, a frame plate 2, a turntable 3, a correction device 4, and a fixing device 5. The frame plate 1 is fixedly connected to the top of the frame plate 2.

[0037] The turntable 3 is rotatably connected to the center of the frame plate 1, and the correction device 4 is provided on the turntable 3 for correcting the square tube 71 and the bottom plate 72 of the robot base 7 to the center position;

[0038] A fixing device 5 is provided on one side of the frame plate 1, and the fixing device 5 is used to fix the rib plate 73 to the center of the square tube 71 and the bottom plate 72, and to contact and fit with the square tube 71 and the bottom plate 72. A rotating component 6 is provided between the fixing device 5 and the frame plate 1, and the rotating component 6 is used to rotate the fixing device 5 and maintain it in a horizontal and vertical state;

[0039] The diagonal direction of the frame plate 1 is evenly distributed with a number of support columns 8, and the top of the support column 8 is provided with a universal ball 81;

[0040] A positioning device 9 is further provided at the bottom of the frame plate 1 , and four positioning holes for positioning the positioning device 9 are equidistantly provided on the circumference of the turntable 3 , and the positioning device 9 is used to limit the rotation of the turntable 3 .

[0041] In this embodiment, the correction device 4 includes a motor 41, which is fixedly connected to the frame plate 2 2, and its output shaft passes through the turntable 3 and is fixedly connected to a gear 42. The upper and lower layers of the gear 42 are engaged with a pair of parallel racks 43, and the racks 43 on different layers are perpendicular to each other. The racks 43 are slidably connected to the limit blocks 44 provided on the turntable 3, and the outer end of the rack 43 is fixedly connected to a push plate 45.

[0042] In this embodiment, the fixing device 5 includes a rotating frame 50, and the internal rotation connection of the rotating frame 50 is a limit shaft 51 and a bidirectional screw rod 52. Two symmetrical splints 53 are slidably connected to the limit shaft 51. The two splints 53 are respectively threadedly connected to two threads of different directions of the bidirectional screw rod 52. The outer side of the rotating frame 50 is fixedly connected to motor 2 54, and the output shaft of motor 2 54 is fixedly connected to the bidirectional screw rod 52. An electric push rod 55 is also fixedly connected to the rotating frame 50, and the output shaft of the electric push rod 55 is fixedly connected to a connecting block 56. A push block 57 is hinged on the connecting block 56. The rotating frame 50 is connected to the frame plate 1 through a rotating component 6. The rotating component 6 is used to rotate the rotating frame 50 after rotation and maintain it in a horizontal and vertical state.

[0043] In this embodiment, the rotating assembly 6 includes a support 61 and a sliding shaft 62. A hinge block 501 is provided on the back of the rotating frame 50. A spline groove 1 is provided in the hinge block 501, and a spline groove 2 identical to the spline groove 1 is provided in the support 61. The hinge block 501 is located in the support 61, and the sliding shaft 62 is slidingly connected to the hinge block 501 and the support 61. One end of the sliding shaft 62 is fixedly connected to a baffle 1 63, and the other end is fixedly connected to a baffle 2 64. A spring 1 65 is sleeved on the sliding shaft 62 between the baffle 1 63 and the support 61. A spline 1 66 is provided in the middle of the sliding shaft 62, and a spline 2 67 is provided between the baffle 1 63 and the spline 1 66. The spline 1 66 is slidably connected to the spline groove 1, and the spline 2 67 is slidably connected to the spline groove 2.

[0044] In this embodiment, the inner side of the outwardly extending clamping plate 53 is rotatably connected to a plurality of sliding rollers 58 , and the outer side of the sliding rollers 58 is provided with an anti-slip layer to increase the vertical friction force on the ribs 73 .

[0045] In this embodiment, the positioning device 9 includes a rod 91 and an electromagnet 92. The outer end of the rod 91 passes through a bracket 93 provided at the bottom of the frame plate 1 and is fixedly connected to an iron sheet 94. The rod 91 is slidably connected to the bracket 93. A limiting ring 95 is provided on the rod 91. A spring 96 is provided on the rod 91 between the limiting ring 95 and the bracket 93. The electromagnet 92 is provided on the outer side of the iron sheet 94 and is fixedly connected to the frame plate 1. The inner end of the rod 91 is provided with a ball bearing.

[0046] Working process and principle:

[0047] The base 7 is supported by a square tube 71 , with bottom plates 72 welded to both ends. One bottom plate 72 is used to be fixed to the ground, and the other bottom plate 72 is used to be fixed to the robot. The bottom plate 72 is provided with square notches corresponding to the inner holes of the square tube 71 .

[0048] Initially, the rotating frame 50 is in a vertical state, that is, the clamping plate 53 and the electric push rod 55 are in an upward vertical state, thereby making room for the subsequent bottom plate 72 to be placed on the frame plate 1.

[0049] Step 1: Position the square tube 71 and one of the base plates 72. Place one of the base plates 72 on the universal ball 81, with the calibration device 4 located in the square notch of the base plate 72. At this point, the base plate 72 can move freely, and then roughly align the square tube 71 with the square notch on the base plate 72.

[0050] At this time, the insertion rod 91 is located in the positioning hole, and the position of the turntable 3 is fixed and cannot rotate.

[0051] Start the motor 41, which drives the gear 42 to rotate clockwise. The clockwise rotation of the gear 42 can extend the four racks 43 outward, and the push plate 45 acts on the inner side of the square tube 71 and the square notch at the same time, so that the inner side of the square tube 71 and the square notch are forced to fit with the push plate 45, thereby correcting the square tube 71 and the square notch to the center, and the square tube 71 can also maintain alignment with the square notch.

[0052] After the square tube 71 and the bottom plate 72 are calibrated, the hydraulic cylinder is reset, the support plate is lowered, the universal ball 81 is retracted into the through hole 11, and the bottom plate 72 falls onto the frame plate 1.

[0053] Step 3: Install rib 73. Initially, spline 1 66 is located within spline groove 1, and spline 2 67 is located within spline groove 2. Pressing stopper 1 63 causes slide shaft 62 to slide toward stopper 2 64. Spline 1 66 remains within spline groove 1, while spline 2 67 moves from spline groove 2 into spline groove 1. At this point, the smooth circumference of slide shaft 62 is located within spline groove 2, allowing rotation frame 50 to rotate normally.

[0054] Manually rotate the rotating frame 50 to degrees. At this time, the back of the rotating frame 50 is in contact with the support 61. Release the baffle 1 63 to reset the spring 1 65 and reinsert the spline 2 67 into the spline groove 2 to maintain the horizontal state of the rotating frame 50. In the above state, the clamping plates 53 are also horizontal. Then the ribs 73 can be passed between the two clamping plates 53 and the ribs 73 are placed on the bottom plate 72. At this time, the distance between the clamping plates 53 is large, and the ribs 73 cannot be kept vertically in the center position. The motor 2 54 is started, and the bidirectional screw 52 rotates in the forward direction, driving the two clamping plates 53 closer to each other. Until the sliding roller 58 on the clamping plate 53 clamps the ribs 73.

[0055] After the ribs 73 are clamped, the electric push rod 55 is activated, causing the push block 57 to approach the outer edge of the ribs 73. The push block 57 is hinged to the connecting block 56 to adapt to the inclination of the outer edge of the ribs 73. The push block 57 is pushed open to contact the ribs 73, causing the ribs 73 to move toward the square tube 71 under the limit of the sliding roller 58 and gradually come into contact with the square tube 71, thus securing the ribs 73. After that, the secured square tube 71, bottom plate 72, and ribs 73 can be welded.

[0056] Step 4: Weld the ribs 73 at other locations. Release the welded ribs 73 from the clamping plate 53, then press the stopper 63 to rotate the clamping plate 53 to a vertical position and relock it to avoid interfering with the rotation of the square tube 71 and the bottom plate 72.

[0057] When electromagnet 92 is energized, it attracts iron sheet 94, thereby pulling rod 91 out of the positioning hole. Turntable 3 is no longer limited by rod 91 and can rotate normally. Motor 1 41 is started, driving gear 42 to continue rotating clockwise. Since rack 43 is now constrained by square tube 71 and cannot extend further outward, when gear 42 rotates, it drives all four racks 43 to rotate together, thereby driving base plate 72 and square tube 71 to rotate. When turntable 3 begins to rotate, electromagnet 92 is de-energized, and rod 91 moves toward the wall of turntable 3 under the action of spring 2 96, causing the ball bearing to come into tangential contact with the wall of turntable 3.

[0058] After the turntable 3 rotates a certain angle, the square tube 71 rotates to the other side. The insertion rod 91 is automatically inserted into the positioning hole under the action of spring 2 96, locking the turntable 3 and turning off motor 1 41. Then, step 3 can be repeated to weld the ribs 73 in the other direction. Repeat several times until all ribs 73 are welded.

[0059] Step 5: Weld another base plate 72, take out the welded semi-finished product, place the other base plate 72 on the outside of the correction device 4, then invert the semi-finished product on the second base plate 72, repeat the correction and positioning work of the base plate 72 and the square tube 71, and complete the welding of the other base plate 72. At this point, a complete base plate 72 is welded.

[0060] It is understood from common technical knowledge that the present invention may be implemented by other embodiments that do not depart from its spirit or essential features. Therefore, the embodiments disclosed above are, in all respects, merely illustrative and not exclusive. All modifications within the scope of the present invention or equivalent to the scope of the present invention are intended to be encompassed by the present invention.

Claims

1. A processing device for industrial robot parts, characterized in that: The invention comprises a frame plate 1 (1), a frame plate 2 (2), a turntable (3), a correction device (4) and a fixing device (5), wherein the frame plate 1 (1) is fixedly connected to the top of the frame plate 2 (2). The turntable (3) is rotatably connected to the center of the frame plate (1), and the calibration device (4) is arranged on the turntable (3) and is used to calibrate the square tube (71) and the bottom plate (72) of the robot base (7) to the center position; A fixing device (5) is provided on one side of the frame plate (1), and the fixing device (5) is used to fix the rib plate (73) to the center of the square tube (71) and the bottom plate (72), and to contact and fit with the square tube (71) and the bottom plate (72). A rotating assembly (6) is provided between the fixing device (5) and the frame plate (1), and the rotating assembly (6) is used to rotate the fixing device (5) and maintain it in a horizontal and vertical state; A plurality of support columns (8) are evenly distributed in the diagonal direction of the frame plate 1 (1), and a universal ball (81) is provided at the top of each support column (8); A positioning device (9) is also provided at the bottom of the frame plate 1 (1), and four positioning holes for positioning the positioning device (9) are equidistantly provided on the circumference of the turntable (3), and the positioning device (9) is used to limit the rotation of the turntable (3).

2. The processing device for industrial robot parts according to claim 1, characterized in that: The correction device (4) comprises a motor 1 (41), the motor 1 (41) being fixedly connected to a frame plate 2 (2), and an output shaft of the motor 1 (41) passing through a rotating disk (3) and being fixedly connected to a gear (42), the upper and lower layers of the gear (42) being meshed with a pair of mutually parallel racks (43), and the racks (43) at different layers being perpendicular to each other, the racks (43) being slidably connected to a limit block (44) provided on the rotating disk (3), and the outer end of the rack (43) being fixedly connected to a push plate (45).

3. The processing device for industrial robot parts according to claim 1, characterized in that: The fixing device (5) comprises a rotating frame (50), wherein the rotating frame (50) is internally rotatably connected to a limiting shaft (51) and a bidirectional screw rod (52), wherein the limiting shaft (51) is slidably connected to two symmetrical clamping plates (53), wherein the two clamping plates (53) are respectively threadedly connected to two threads of different directions of the bidirectional screw rod (52), wherein the outer side of the rotating frame (50) is fixedly connected to a second motor (54), wherein the output shaft of the second motor (54) is fixedly connected to the bidirectional screw rod (52), wherein the rotating frame (50) is further fixedly connected to an electric push rod (55), wherein the output shaft of the electric push rod (55) is fixedly connected to a connecting block (56), wherein a push block (57) is hingedly connected to the connecting block (56), wherein the rotating frame (50) is connected to the frame plate 1 (1) via a rotating assembly (6), wherein the rotating assembly (6) is used to rotate the rotating frame (50) after rotation and maintain it in a horizontal and vertical state.

4. The processing device for industrial robot parts according to claim 3, characterized in that: The inner side of the clamping plate (53) extending outward is rotatably connected to a plurality of sliding rollers (58), and the outer sides of the sliding rollers (58) are provided with an anti-slip layer.

5. The processing device for industrial robot parts according to claim 3, characterized in that: The rotating assembly (6) comprises a support (61) and a sliding shaft (62); a hinge block (501) is provided on the back of the rotating frame (50); a first spline groove is provided in the hinge block (501); a second spline groove identical to the first spline groove is provided in the support (61); the hinge block (501) is located in the support (61); the sliding shaft (62) is slidably connected to the hinge block (501) and the support (61); one end of the sliding shaft (62) is fixedly connected to the hinge block (501) and the support (61); A baffle plate 1 (63) is connected, and a baffle plate 2 (64) is fixedly connected to the other end. A spring 1 (65) is sleeved on the sliding shaft (62) between the baffle plate 1 (63) and the support (61). A section of spline 1 (66) is provided in the middle of the sliding shaft (62). A section of spline 2 (67) is provided between the baffle plate 1 (63) and the spline 1 (66). The spline 1 (66) is slidably connected to the spline groove 1, and the spline 2 (67) is slidably connected to the spline groove 2.

6. The processing device for industrial robot parts according to claim 1, characterized in that: The positioning device (9) comprises an insertion rod (91) and an electromagnet (92); the outer end of the insertion rod (91) passes through a bracket (93) provided at the bottom of the frame plate (1) and is fixedly connected to an iron sheet (94); the insertion rod (91) is slidably connected to the bracket (93); a limiting ring (95) is provided on the insertion rod (91); a spring (96) is sleeved on the insertion rod (91) between the limiting ring (95) and the bracket (93); the electromagnet (92) is provided on the outer side of the iron sheet (94) and is fixedly connected to the frame plate (1); and a ball bearing is provided on the inner end of the insertion rod (91).

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