[0026] The present invention will be further elaborated and explained in conjunction with specific embodiments and description.
[0027] Please refer to figure 1 A multi-head linear motion mechanism for laser punching includes a base 10, a rail 20, a rack 30, a plurality of first photoelectric sensing switch 40, a plurality of mobile tables 50, and an electrical control device. The electrical control device is electrically connected to the first photoelectric sensing switch 40 and the moving table 50.
[0028] Please refer to figure 1 with Figure 4 The rack 30 is fixed to the base 10 and parallel to the guide rail 20, and a plural strip 30 is formed, and the bottom surface of the rack 30 is supported by the base 10. Specifically, there are two rails 20 in parallel, and the rack 30 is located between the two rails 20, and the rack 30 is a multi-stage stitching, which is convenient to adjust the length of the rack 30 as needed. When the moving table 50 slides, the slider force on the two rail 20 is relatively uniform.
[0029] Several first photoelectric inductive switch 40 is provided in the base 10, wherein at least two first photoelectric sensing switch 40 is located at both ends of the guide rail 20. The moving table 50 includes a first sensing piece 51 for acquiring position information of the moving table 50 with the first photoelectric sensing switch 40. When the mobile table 50 is moved to one of the first photoelectric sensing switch 40 on both ends of the guide rail 20, the first sensing piece 51 cuts off the infrared rays emitted by the first photoelectric sensing switch 40, the first photoelectric sensing switch 40 issues information to the electrical control device. . The electrical control device controls the work desk 50 to stop. Therefore, the above two first photoelectric sensing switch 40 is used as a stroke switch for limiting the maximum stroke of the mobile table 50.
[0030] A plurality of first photoelectric sensing switch 40 is provided in the middle of the guide rail 20, and the position information of the moving table 50 acquired by the first photoelectric sensing switch 40 as the origin. Specifically, when the stroke table 50 is moved to the first photoelectric sensing switch 40, the first sensing piece 51 cuts off the infrared rays emitted by the first photoelectric sensor switch 40, and the first photoelectric sensor switch 40 issues information to the electrical control device. The control device defines the position of the mobile table 50 as the coordinate system.
[0031] In this embodiment, the first photoelectric sensing switch 40 is disposed in which the two first photoelectric sensing switch 40 are respectively disposed on the opposite end of the guide rail 20 to be used as the stroke switch. Another first photoelectric sensing switch 40 is disposed in the guide rail 20, and the moving table 50 position acquired by the first photoelectric sensor switch 40 is used as the origin.
[0032] Please refer to Figure 5 In any of the two moving table 50s, one of the adjacent moving tables 50 is provided with a second inductive sheet 57, and the other is provided with a second induction switch 58 in which the second sensing piece 57 is fitted. When the two mobile table 50 is approaching, the second inductive sheet 57 and the second inductive switch 58 acquire the position information of the moving table 50, and the position information is transmitted to the electrical control device, the electrical control device makes two mobile tables 50. Stop movement to avoid collision with each other.
[0033] Please refer to figure 1 , figure 2 with Figure 5 The plurality of moving tables 50 can slide along the guide rail 20, each moving table 50 includes a working desk body 52, a motor 53, a gear set 54 of the transmission electrical connecting motor 53, a first induction piece 51, a motor 53, and a gear set 54 It is set in the work desk 52, and several gear sets 54 are engaged with the rack 30.
[0034] The gear set 54 includes at least one gear. The motor 53 is provided with a reducer 55 between the gear set 54, and the power of the motor 53 is transmitted to the gear set 54 through the reducer 55. Specifically, the reducer 55 is connected to the motor 53 main shaft through the coupling 56. The power of the motor 53 is transmitted to the reducer 55 through the coupling 56, and the adjustment of the torque is transmitted to the gear set 54 through the reducer 55.
[0035] Please refer to figure 2 with image 3 The work desk 52 includes a vertical plate 526, a side sealing plate, a cover plate 527, and a bottom plate 525. An end portion of the motor 53 projects out of the vertical plate 526, and the other portion is located in a cavity enclosed by a vertical panel 526, a side seal plate, a cover plate 527, and a bottom plate 525. A buffer block is provided on both sides of the bottom plate 525, the buffer block is used to buffer and anti-collision between adjacent working tables 52, and the buffer block is made by excellent glue.
[0036] Please refer to figure 2 The working desk 52 is provided with a motor fixing plate 528, and a support flap is further provided on both sides of the reinforcing plate 528, the motor fixing plate 528 and the motor 53 are connected to the motor fixing plate 528, and the motor 53 end surface is opened. The conforming groove 529, the spindle hole passes through the main shaft of the motor 53 in the groove 529. One end of the motor 53 is restricted by the groove 529 to reduce the vibration of the motor.
[0037] The motor 53 is preferably a servo motor, a servo motor and an electrical control device to achieve a fixed-point positioning motion function, a direction frequent transformation function, and a real-time monitoring coordinate distance function. Specifically, the input signal is acquired by the electrical control device, the output pulse to the servo motor, the servo drive control servo motor rotation, the servo motor is rotated by the coupling, and the reducer drives the gear set to rotate, and the gear set And rack meshing to achieve linear motion.
[0038] The working desk 52 is provided with a slider 521, and a slider 522 that is adapted to the guide rail 20 is opened. Among them, there are two parallel rails 20, and the slider 521 corresponds to two groups, and the two sets of slides 521 are respectively located opposite ends of the working desk body 52. The number of slider 521 can be adjusted according to the load and the moving speed. Specifically, in the case where the high speed and load is heavier, a group of slider 521 and the bottom plate 525 can be added perpendicular to the rack placement surface on the base 10.
[0039] Please refer to Figure 6 Specifically, each guide rail 20 is depressed in the middle region of the two side walls to form a strip groove 21 extending in the longitudinal direction of the guide rail 20, and a strip protrusions 22 are formed on the upper portion of the strip groove 21, the strip convex Two-arc grooves are opened on the edge of the convex surface of 22.
[0040] Please refer to figure 2 The working desk 52 is opened with a through hole 523 at the bottom surface, and the gear set 54 portion projecting through hole 523 meshes with the rack 30. The through hole 523 is specifically opened on the bottom plate 525 and through the bottom plate 525.
[0041] The working desk body 52 also opens the pass groove 524 through which the working desk 52 relative to both sides is opened, and the pass groove 524 is located above the rack 30, and the rotating portion or all of the rack 30 extends into the pass groove 524. The width of the pass groove 524 is greater than the width of the rack 30, and the moving table 50 is interfered with the rack 30 when the moving table 50 is moved.
[0042] In the above scheme, the gear set 54, the rack 30 is a straight tooth transmission. In other embodiments, the gear set 54, the rack 30 employs a torched teeth transmission to increase the transmission accuracy.
[0043] Please refer to Figure 6 In the above scheme, the end end of the guide rail 20 is provided with a baffle 11, and the baffle 11 is used to perform a hard limiting bit of the moving table 50, the baffle 11 being fixed to the base 10.
[0044] When the laser hole hole of the present invention, a plurality of porous positions are processed on a straight line, and the plurality of motor 53 drives the corresponding gear set 54, since the rack 30 that is engaged with the gear set 54 is fixed to the base 10 Unable to move, the gear set 54 rotates will drive the working desk 52, the first inductive sheet 51, the motor 53, and the gear set 54 move along the guide rail 20 such that the plurality of moving tables 50 move to the respective aperture. When the moving table 50 is moved to the first photoelectric sensing switch 40, the first photoelectric sensing switch 40 cooperates with the first sensing piece 51 to acquire position information of the moving table 50 to determine the position of the moving table 50. The first photoelectric sensing switch 40 is provided by the first end of the guide rail 20 for limiting the maximum stroke of the mobile table 50. The laser punching has a simple structure, long life, long life, convenient maintenance, and it is also convenient to increase and reduce the number of mobile table 50 based on the usage requirements, and pass the first photoelectric inductive switch 40 and the first sensing piece. 51 cooperates to make the overall movement accuracy.
[0045] This program has a gear set, a rack drive, with a multi-axis wire module has the following advantages: 1, a plurality of mobile patterns share a double guide rail and a rack, and the space requires smaller. 2, the rack is fixed to the base and supported by the base, so the rack stiffness is not limited by its length, and the stroke can be extended as needed. 3. Since the rack is fixed to the base, the bottom surface of the rack is in direct contact, so it is not easy to vibrate, and the reliability is good.
[0046] This scheme is made of gear set, rack drive, and has the advantages of the multi-axis linear motor: 1, the servo motor drives the gear set, and then use the gear set and the rack to realize the straight movement of the mobile station, power consumption There are fewer amounts. 2. Since the rack is fixed to the base, the bottom surface of the rack is directly in contact with the base, so it is not easy to vibrate. 3. The motor is set on the mobile table and the motor is directly in contact with the external air, and the heat dissipation is convenient, which is advantageous for extending the life of the motor. 4, multiple mobile table sharing double rails and a rack, simple structure, low cost.
[0047] It will be noted that the above embodiment is intended to illustrate the technical solutions of the present invention, not the scope of the invention, and however, the present invention will be described in detail, although the present invention will be apparent to those skilled in the art. The technical solution of the present invention can be modified or equivalent to replacement without departing from the spirit and scope of the technical solution of the present invention.
