High-precision mechanical arm for lathe and working method thereof

A mechanical arm and high-precision technology, which is applied in the direction of manipulators, program-controlled manipulators, metal processing machinery parts, etc., can solve the problems of lathe safety accidents, low accuracy and movement efficiency, and reduce the working efficiency of lathes, so as to avoid safety accidents , the effect of improving safety

Inactive Publication Date: 2020-06-16
安徽轶记机械科技有限公司
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AI-Extracted Technical Summary

Problems solved by technology

However, the following technical problems still exist: 1) the precision and moving efficiency of the mechanical arm to the parts processed by the lathe are not high, which reduces the working efficiency of the lathe; 2) the clamping of t...
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Abstract

The invention discloses a high-precision mechanical arm for a lathe and a working method thereof. The high-precision mechanical arm comprises a bracket arranged on a lathe table board, a Y-axis mechanical arm and an X-axis clamping mechanical arm, wherein the Y-axis mechanical arm is arranged at one end of the bracket and is close to the side wall of a working area on the lathe; the X-axis clamping mechanical arm is arranged on the Y-axis mechanical arm and far away from the outer side of the bracket; the Y-axis mechanical arm comprises a first sliding table, a sliding seat and a first drag chain; two vertical sliding columns are symmetrically arranged on the two sides of the outer wall far away from the bracket; a first straight motion rack is arranged between the vertical sliding columns; the X-axis clamping mechanical arm comprises a second sliding table, a second drag chain, a third sliding table and a horizontal clamping component; the second sliding table is cuboid shaped and isarranged on the top of the first sliding table; and the second drag chain is arranged on the top of the first sliding table and on the outer side of the second sliding table. The high-precision mechanical arm improves the moving precision and moving efficiency of a machined component, improves the working efficiency of the lathe, precisely controls the motion distance and gives an alarm and improves the safety of the mechanical arm.

Application Domain

Programme-controlled manipulatorMetal working apparatus +1

Technology Topic

Structural engineeringMechanical engineering +2

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  • High-precision mechanical arm for lathe and working method thereof
  • High-precision mechanical arm for lathe and working method thereof
  • High-precision mechanical arm for lathe and working method thereof

Examples

  • Experimental program(1)

Example Embodiment

[0038] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0039] See Figure 1-9 As shown, this embodiment provides a high-precision robotic arm for a lathe, including a bracket 200 arranged on the table of the lathe 100, and a Y-axis robotic arm 400 arranged on one end of the bracket 200 on the lathe 100 near the side wall of the working area 300 , The X-axis clamping robot arm 500 disposed on the Y-axis robot arm 400 away from the outside of the bracket 200. The mechanical arm is used for clamping the parts to be processed and then transporting them to the working area 300 of the lathe 100 by precise movement in the horizontal and vertical directions, for the turning tools in the working area 300 to perform turning processing.
[0040] Specifically, the Y-axis robotic arm 400 includes a first sliding table 410, a sliding seat 420, and a first towline 430. The first sliding table 410 is in the shape of a cuboid, with a PLC controller 440 on the top, and is symmetrical on both sides away from the outer wall of the bracket 200 Two vertical sliding columns 450 are provided. A first straight rack 460 is arranged between the two vertical sliding columns 450. A first position sensor 411 is provided on the top of the first straight rack 460. The bottom of the rack 460 is provided with a second position sensor 412. The shell of the sliding seat 420 is rectangular, and the outer wall is provided with an alarm light 421. The sliding seat 420 is provided with a first motor 422 extending vertically upward and a second motor 423 extending horizontally inward. The motor shaft of the first motor 422 is connected There is a first gear 424. The motor shaft of the second motor 423 penetrates the inner wall of the sliding seat 420 and is connected with a second gear 425, and the second gear meshes with the first straight rack 460. The outer surface of the inner wall of the sliding seat 420 is provided with two rows of first elongated sliders 426, and the two rows of first elongated sliders 426 are respectively slidably connected with the vertical sliding column 450.
[0041] The X-axis clamping robot arm 500 includes a second sliding table 510, a second towline 520, a third sliding table 530, and a horizontal clamping member 540. The second sliding table 510 is a rectangular parallelepiped and is set on the top of the first sliding table 410 , The second towline 520 is provided on the top of the first sliding table 410 and the outside of the second sliding table 510. Two horizontal sliding posts 550 are provided on the bottom surface of the second sliding table 510, and a second straight rack 560 is provided between the two horizontal sliding posts 550. A third position sensor 511 is provided at one end of the bottom of the second sliding table 510, and a fourth position sensor 512 is provided at the other end. The first gear 424 is engaged with the second straight rack 560. The bottom outer surface of the sliding seat 420 is provided with two rows of second elongated sliders 513, and the two rows of second elongated sliders 513 are respectively slidably connected with the horizontal sliding column 550. The third sliding table 530 is disposed on an end of the second sliding table 510 away from the first sliding table 410, and the included angle between the third sliding table 530 and the second sliding table 510 is 90°.
[0042] One end of the third sliding table 530 is connected with a third towline 514 and a fixing frame 515 is passed through, and the other end is connected with the horizontal clamping member 540. A third straight rack 531 is provided on the side wall of the third sliding table 530 close to the second sliding table 510. A third motor 532 is connected to the side wall of the fixed frame 515, a third gear 533 is connected to the motor shaft of the third motor 532 after passing through the wall of the fixed frame 515, and the third gear 533 meshes with the third straight rack 531. The third sliding table 530 is connected to the horizontal clamping member 540 through a connecting shaft 570 and fastened by bolts. The horizontal clamping component 540 includes a clamping side plate 541, a clamping seat 542, and a clamping arm 543. The two clamping side plates 541 are vertically arranged and fixed on the outer sides of the two clamping seats 542 respectively. The bottom is provided with a sliding groove, the clamping arm 543 is U-shaped as a whole and the upper end is slidably connected with the sliding groove, and the lower end encloses a circular clamping hole 544.
[0043] Among them, the PLC controller 440 is electrically connected to the first position sensor 411, the second position sensor 412, the third position sensor 511, the fourth position sensor 512, and the warning light 421. The PLC controller 440 is electrically connected to the first motor 422, the second Both the motor 423 and the third motor 532 are electrically connected. When the top of the second sliding table 510 is 3-5 cm away from the first position sensor 411 and the second position sensor 412 at the bottom of the sliding seat 420, the first position sensor 411 and the second position sensor 412 will generate signals and transmit them to the PLC controller 440 , The PLC controller 440 sends an alarm signal to the alarm light 421 and controls the second motor 423 to turn off; when the side wall of the sliding seat 420 is 3-5 cm away from the third position sensor 511 and the fourth position sensor 512, the third position sensor 511 And the fourth position sensor 512 will generate a signal and transmit it to the PLC controller 440. The PLC controller sends an alarm signal to the alarm lamp 421 and controls the first motor 422 to turn off.
[0044] The working method of the high-precision mechanical arm for lathes in this embodiment is as follows:
[0045] S1. Turn on the second motor 423, the motor shaft of the second motor 423 drives the second gear 425 to rotate, the second gear 425 drives the first straight rack 460 meshed with it to move in the vertical direction, and the first elongated slider 426 moves in the vertical direction along the vertical sliding column 450, so that the sliding seat 420 and the X-axis clamping mechanical arm 500 move in the vertical direction;
[0046] S2. When the X-axis clamping robot arm 500 moves to the processing position, turn off the second motor 423, turn on the first motor 422, the motor shaft of the first motor 422 drives the first gear 424 to rotate, and the first gear 424 drives it to mesh with it The second straight rack 560 moves in the horizontal direction, and the second long slider 513 moves in the horizontal direction along the horizontal sliding column 550, so that the third sliding table 530 and the horizontal clamping member 540 move in the horizontal direction;
[0047] S3. When the horizontal clamping member 540 moves to the processing position, the first motor 422 is turned off, and the third motor 532 is turned on. The motor shaft of the third motor 532 drives the third gear 533 to rotate, and the third gear 533 drives the third gear 533 meshing with it. The three straight racks 531 move in the horizontal direction, so that the horizontal clamping member 540 moves in the horizontal direction;
[0048] S4. When the horizontal clamping part 540 moves to the position to be processed, the part to be processed or the finished part is inserted into the clamping hole 544, and the clamping arm 543 clamps the part tightly, which is convenient for the turning tool of the lathe to process the part. Or remove the finished parts.
[0049] When the top of the second sliding table 510 is 3-5 cm away from the first position sensor 411 and the second position sensor 412 at the bottom of the sliding seat 420, the first position sensor 411 and the second position sensor 412 will generate signals and transmit them to the PLC controller 440 , The PLC controller 440 sends an alarm signal to the alarm light 421 and controls the second motor 423 to turn off; when the side wall of the sliding seat 420 is 3-5 cm from the third position sensor 511 and the fourth position sensor 512, the third position sensor 511 And the fourth position sensor 512 will generate a signal and transmit it to the PLC controller 440. The PLC controller sends an alarm signal to the alarm lamp 421 and controls the first motor 422 to turn off. The PLC controller 440 accurately controls and alarms the moving distance, which greatly improves the safety of the mechanical arm and avoids the occurrence of safety accidents in lathe operation.
[0050] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific feature, structure, material or characteristic described in combination with the embodiment or example is included in at least the present invention. In one embodiment or example. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner.
[0051] The above content is merely an example and description of the present invention. Those skilled in the art make various modifications or additions to the specific embodiments described or substitute similar methods, as long as they do not deviate from the invention or exceed the rights. The scope defined by the requirements shall all belong to the protection scope of the present invention.

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