KR20180021359A - Auto-horizontal machining apparatus - Google Patents

Abstract

The ball screw (21) and guide rail (22) of an X-axis transfer device (20) are mounted on one side of a work table (10). The first slider (25) of the X-axis transport device (20) is transported horizontally along the guide rail (22) by the ball screw (21). The base block (31) of a Z-axis transfer device (30) is mounted on the first slider (25) of the X-axis transfer device (20). The cable box (32) of the Z-axis transfer device (30) relatively moves vertically relative to the base block (31). The base plate (41) of a Y-axis transfer device (40) is mounted on the upper plate (315) of the cable box (32). A drill spindle (50) and a tapping spindle (60) are mounted side by side on the second slider (42) of the Y-axis transfer device (40). The three-axis directional control of the drill spindle (50) and the tapping spindle (60) is possible.

Description

{AUTO-HORIZONTAL MACHINING APPARATUS}

The present invention relates to a horizontal type automatic processing machine capable of drilling and tapping a side surface of a work, and more particularly to a horizontal automatic processing machine capable of three-axis directional control of a drill spindle and a tapping spindle, The drill spindle and the tapping spindle are mounted side by side on the slider. The control box stores the basic spacing value of the tapping spindle based on the drill spindle, and the center of the tapping spindle Which can be moved to the center position of the spindle.

Korean Patent Application Publication No. 10-2015-0111215 (published October 5, 2015) discloses a "workpiece automatic side surface finishing machine ".

The automatic workpiece machining apparatus includes a machining tool feed means provided with a lower press on the side of a fixed die for fixing a workpiece and a machining tool feed portion for horizontally gripping or unlocking the machining tool by an upper press up and down by a cylinder, A mounting block for mounting the machining tool in the machining tool feeding part by one-touch fitting by inserting the machining tool in the front mounting hole, the mounting block including machining tool driving means for being connected to the motor shaft of the drive motor, A machining tool movement control means for controlling the machining tool drive means to vertically move the workpiece in three directions, that is, up, down, left, and right. The machining tool supply means moves vertically, backward, Perform hole or screw hole machining automatically.

However, in the above-mentioned automatic workpiece machining apparatus, when the drilling spindle and the tapping spindle are not divided and when the tapping process is to be performed after drilling, it is troublesome to replace the drill tool and the tap tool on one spindle, There is a disadvantage in that it is difficult to precisely process the hole because the spindle is pushed back when machining the hole because the structure is weak in stiffness.

Therefore, an object of the present invention is to provide an X-axis transfer device (20) mounted on one side of a work table for drilling, in which the first slider of the X-axis transfer device (20) Axis transfer device is mounted on the first slider of the X-axis transfer device, the cable box of the Z-axis transfer device is raised and lowered, the Y-axis transfer device is mounted on the upper plate of the cable box) The spindle for drilling and the tapping spindle are mounted in parallel on the second slider of the axis conveying device so that the drill spindle and the tapping spindle can be controlled in three axes and the second slider of the Y- And the tapping spindle are mounted side by side in the control box, the basic spacing value of the tapping spindle is stored based on the spindle for drilling in the control box, and the center of the tapping spindle for tapping after the drilling is moved to the center position Lt; / RTI > The spindle for drilling for drilling and the tapping spindle for tapping are separated, there is no need to replace the tool, the tapping can be performed immediately after drilling, and the horizontal automatic And a processing machine.

According to an aspect of the present invention, there is provided a horizontal type automatic work machine, wherein a ball screw and a guide rail of an X-axis transfer device are mounted on one side of a work table, and a first slider of the X- And the base block of the Z-axis transporting apparatus is mounted on the first slider of the X-axis transporting apparatus, and the cable box of the Z-axis transporting apparatus with respect to the base block is moved up and down relative to the base block , The base plate of the Y-axis transfer device is mounted on the upper plate of the cable box, and the drill spindle and the tapping spindle are mounted side by side on the second slider of the Y-axis transfer device so that the drill spindle and the tapping spindle A three-axis directional control is possible, a drill spindle and a tapping spindle are mounted side by side on a second slider of the Y-axis transfer device, and a control box The basic spacing value of the tapping spindle is stored so that the control box controls the servo motor of the X-axis transfer device, so that the center of the tapping spindle is moved to the center position of the drill spindle for tapping after drilling, And the operation of the servo motor of the X-axis feed device is controlled by the control box.

The work table is arranged in a state in which a cylinder is placed in an upright position, an up-down plate is mounted on the piston rod of the cylinder, a plurality of push rods are arranged on the up-down plate and a ball caster of synthetic resin material is mounted on the upper end of the push rod And a plurality of rod holes are formed in the table so as to correspond to the push rod.

The X-axis transfer device has a base plate attached to one side of a work table, a ball screw and a guide rail mounted on the base plate, a first servo motor connected to one end of the ball screw, A third LM guide rail, a second LM guide rail disposed on the first LM guide rail, a ball screw disposed between the first LM guide rail and the second LM guide rail, A third LM guide rail disposed on the upper portion of the rail is mounted on the upper surface of the base plate and the main body of the first slider is formed in an "a" shape so that the first sliding block, The first sliding block is slidably mounted on the first LM guide rail and the feeding nut is mounted on the ball screw The second sliding block is slidably mounted on the second LM guide rail, and the third sliding block is slidably mounted on the third LM guide rail.

The above-mentioned Z-axis transfer device is characterized in that the base block is mounted on the first slider of the X-axis transfer device, the pinion gear is mounted on the horizontal axis crossing the center of the base block, the locking means is mounted on one end of the horizontal axis, The worm gear is coupled to the worm, the worm is mounted on one end of the drive shaft, the handle is mounted on the other end of the drive shaft, and the rack gears arranged on the pinion gear are engaged with each other. The dovetail guide rails are mounted on the upper and lower sides of the cable box, the rack gears are disposed between the dovetail guide rails, and the sliding engaging portions of the base block are respectively engaged with the dovetail guide rails .

The Y-axis transfer device is for transferring the drill spindle in the Y-axis direction of FIG. 1 to perforate a hole on the side of the workpiece. The base plate is mounted on the upper plate of the cable box of the Z- Both ends of the spiral shaft are rotatably supported on the spool shaft of the plate, the handle shaft of the handle is connected to one end of the spiral shaft, the nut mounted on the lower surface of the second slider is fastened to the spiral shaft, A spring is disposed between the nut and the shaft support, and a drill spindle is mounted on the upper surface of the second slider.

The tapping spindle is mounted on the upper surface of the manual feed slider by a bracket, both ends of the shaft are mounted on the front vertical portion and the rear vertical portion of the manual feed slider, respectively, The spring is disposed between the vertical portion of the rear and the guide shaft support, and the guide shaft support is mounted on the second slider of the Y-axis transfer device.

The control box includes a display unit for displaying input data, a power switch for turning power on and off, an input button for setting the number and position of holes to be machined in the X axis direction on the side of the workpiece, A drilling operation button for selecting a drilling operation, a tapping operation button for selecting a tapping operation, an origin button for initializing the equipment, an rpm adjustment switch for controlling the rpm of the drill spindle, and a drill spindle And a return switch for returning to the initial position.

Thus, in the horizontal type automatic processor according to the present invention, the spindle for drilling and the spindle for tapping can be controlled in three axes, and the spindle for drilling and the tapping spindle for tapping are separately divided, It is possible to perform the tapping process immediately after the drilling process to shorten the working time and improve the joining rigidity of the first slider of the X-axis feed device and the joining rigidity of the Z-axis feed device So that the drill spindle can be prevented from being pushed back by the repulsive force in the drilling operation.

1 is a perspective view illustrating a horizontal automatic processor according to the present invention;
Fig. 2 is a perspective view showing a transfer device on which a drilling spindle and a tapping spindle are mounted. Fig.
Fig. 3 is a front view showing the conveying device of Fig. 2
4 is a partially cutaway perspective view showing a part of the work table,
5 is a side view showing a state in which the workpiece is supported by the ball casters
6 is a side view showing a horizontal automatic processor according to the present invention for explaining an X-axis transfer device;
7 is a cross-sectional view taken along the line AA of Fig. 6 showing the X-axis transporting device
8 is a perspective view for explaining a Z-
9 is a side view for explaining a Z-axis transporting apparatus
10 is a rear view for explaining the Z-axis transporting apparatus
11 is a cross-sectional view showing the Y-
12 is a plan view showing the arrangement state of the tapping spindles
13 is a sectional view taken along the line BB of Fig. 12 showing the tapping spindle
14 is a front view showing the control box

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

1 to 3, a horizontal automatic processor according to the present invention is characterized in that a ball screw 21 and a guide rail 22 of an X-axis transfer device 20 are mounted on one side of a work table 10, The first slider 25 of the X-axis transfer device 20 is transferred laterally along the guide rail 22 by the ball screw 21 and the first slider 25 of the X- The base block 31 of the Z-axis conveying device 30 is mounted on the base block 31 and the cable box 32 of the Z-axis conveying device 30 is raised and lowered relative to the base block 31, The base plate 41 of the Y-axis transfer device 40 is mounted on the upper base plate 315 of the Y-axis transfer device 40 and the drill spindle 50 is mounted on the second slider 42 of the Y- The tapped spindles 60 are mounted side by side so that the three axes of the drill spindle 50 and the tapping spindle 60 can be controlled and the second slider 42 of the Y- The drill spindle (50) And the control box 70 stores the basic spacing value S1 of the tapping spindle 60 on the basis of the drill spindle 50 so that the control box 70 By controlling the servomotor (not shown) of the X-axis transfer device 20, the center of the tapping spindle 60 is moved to the center position of the drill spindle 50 for tapping after drilling, The operation of the servomotor of the X-axis transfer device 20 is controlled by the box 70. [

Reference numeral SB1 shown in FIG. 3 is a step button for confirming whether or not the operator is safe by pushing to the next step, and is mounted on the side surface of the cable box 32 of the Z-axis conveying device 30. FIG. As a result, if the step button is not pressed or the step button is not pressed in the state where the transfer device is not in the correct position, the operation does not proceed to the next operation.

The horizontal automatic processor according to the present invention having the above-described structure is characterized in that the X-axis transfer device 20 is mounted on one side of the work table 10 so that the first slider 25 of the X- And the Z-axis transporting device 30 is mounted on the first slider 25 of the X-axis transporting device 20 so as to be transported in the axial direction (left-right direction) The Y-axis transfer device 40 is mounted on the upper plate 315 of the cable box 32 and the second slider 42 of the Y- The tapping spindle 60 and the tapping spindle 60 are mounted side by side so that the tapping spindle 60 is stored in the control box 70 on the basis of the spindle 50 for drilling, The center of the tapping spindle 60 is moved to the center position of the drilling spindle 50 for tapping after the machining so that the drilling is performed by the spindle 50 for drilling and the tapping spindle 60 for tapping ), So that it is not necessary to replace the tool. Thus, there is an advantage that the tapping process can be performed immediately after the drilling process without requiring a tool replacement operation, and the working time can be shortened.

4 and 5, the work table 10 is provided with a cylinder 81 in an upright position, an up-down plate 83 is mounted on the piston rod 82 of the cylinder 81, A ball caster 85 made of a synthetic resin material is mounted on the upper end of the push rod 84 and a table 12 is mounted on the upper end of the push rod 84 in correspondence with the push rod 84, A plurality of rod holes 13 are formed.

Thereby, when the side surface of the work W placed on the table 12 of the work table 10 is machined and the workpiece must be turned to machine the other side surface, the piston rod 82 is drawn out from the cylinder 81 When the up-down plate 83 is lifted up, the ball caster 85 of the push rod 84 is raised by the up-down plate 83 to the upper portion of the rod hole 13 of the table 12, So that the workpiece is separated from the table 12 and supported by the ball case 85 made of synthetic resin.

Thus, the worker can easily turn the workpiece so that the other side of the workpiece faces the drill spindle 50. When the workpiece is rotated, the piston rod 82 is slowly pulled into the cylinder 81 so that the up- And when the ball caster 85 of the push rod 84 is brought under the rod hole 13 of the table 12 by the up-down plate 83, the workpiece is seated on the table 12.

6 and 7, the X-axis transfer device 20 includes a base plate 23 attached to one side surface of a work table, a ball screw 21 and a guide rail 22 are mounted on the base plate 23, The first servo motor 24 is connected to one end of the ball screw 21 and the guide rail 22 is composed of three first to third LM guide rails 221, 222 and 223, A second LM guide rail 222 is disposed on the upper portion of the first LM guide rail 221 and a ball screw 21 is disposed between the first LM guide rail 221 and the second LM guide rail 222 The third LM guide rail 223 disposed on the upper portion of the second LM guide rail 222 is mounted on the upper surface of the base plate 23 and the main body 26 of the first slider 25 is set to the " A feed nut 28 and a second sliding block 272 are mounted on the vertical portion 261 of the main body 26 and the horizontal portion 262 ) To the third slice The first sliding block 271 is slidably mounted on the first LM guide rail 221 and the feed nut 28 is fastened to the ball screw 21, The block 272 is slidably mounted on the second LM guide rail 222 and the third sliding block 273 is slidably mounted on the third LM guide rail 223.

The X-axis transport device 20 configured as described above is configured such that the main body 26 of the first slider 25 is formed in an "a" shape and the third sliding block 273 and the third LM guide rail 223 7, in the direction of the arrow 255 in Fig. 7, when the hole is drilled in the side of the workpiece with the drill spindle, with a component added to the first slider 25 along the guide rail by a general ball screw, The third sliding block 273 coupled to the third LM guide rail 223 holds the reaction force acting on the body 26 of the first slider 25 by the reaction force in the direction of arrow 255, 26 can be prevented from being pushed in the direction of the arrow 255.

The third sliding block 273 and the third LM guide rail 223 are further added to the X-axis transfer device 20 according to the present invention. When the drill spindle is used to drill a hole in the side surface of the workpiece, 7, the rigidity that allows the reaction force to act in the direction of the arrow 255 is increased.

8 to 10, the Z-axis transfer device 30 includes a base block 31 mounted on the first slider 25 of the X-axis transfer device 20, The worm gear 35 is attached to the other end of the horizontal shaft 32 and the pinion gear 33 is attached to the worm gear 33 The worm 36 is mounted on one end of the drive shaft 37 and the handle 38 is mounted on the other end of the drive shaft 37. The worm 36 is disposed on the pinion gear 33 And the rack gear 39 is mounted on the corresponding surface 311 of the cable box 310 opposite to the base block 31 so that the rack gear 39 is vertically mounted on the upper and lower portions of the cable box 310 The dovetail guide rails 320 and 330 are mounted on the dovetail guide rails 320 and 330 and the rack gear 39 is disposed between the two dovetail guide rails 320 and 330, texture (Not shown) are respectively coupled.

When the worker rotates the handle 38 in either direction, the rotational power of the handle 38 is transmitted to the worm 36 through the drive shaft 37 and the worm 36 The worm gear 35 and the worm gear 35 interlock with each other so that the horizontal axis 32 on which the worm gear 35 is mounted is rotated and the pinion gear 33 mounted on the horizontal axis 32 is rotated, The rack gear 39 is interlocked with the rack gear 39 so that the cable box 310 relatively rises with respect to the base block 31 by the rack gear 39. When the drill spindle 50 disposed at the upper end of the cable box 310 reaches a predetermined position, the lateral shaft 32 is locked using the locking means 34 so that the drill spindle 50 is moved In the process of drilling a hole in the side surface, the transverse axis 32 is rotated by the reaction force to prevent the arrangement height of the drill spindle 50 from being changed.

At this time, the dovetail guide rails 320 and 330 mounted on the corresponding surfaces of the cable box 310 are coupled with the sliding engagement portions (not shown) of the base block 31, so that the drill spindle 50 The reaction force acting in the direction of the arrow 340 in Fig. 9 generated when the hole is punctured on the side of the workpiece is resisted by the sliding engagement portion (not shown) of the dovetail guide rails 320, 330 and the base block 31 , It is possible to prevent the drill spindle 50 from being pushed in the direction of the arrow 340 in FIG. 9 in the course of perforating the workpiece by the reaction force.

9 and 11, the Y-axis transfer device 40 is for transferring the drill spindle 50 in the Y axis direction of FIG. 1 to perforate a hole on the side of the workpiece, The base plate 41 is mounted on the upper plate 33 of the cable box 310 of the device 30 and the both ends of the spiral shaft 43 are rotated with respect to the axle bearings 44 and 45 of the base plate 41 A handle shaft 46 of the handle 47 is connected to one end of the spiral shaft 43 and a nut 48 mounted on the lower surface of the second slider 42 on the spiral shaft 43 And a spring 49 is fitted to the spiral shaft 43 so that a spring 49 is disposed between the nut 48 and the shaft bearing 44 and a drill spindle 50 are mounted.

When the handle 47 is rotated in either direction, the rotation of the handle 47 is transmitted to the spiral shaft 43 through the handle shaft 46, 43 is rotated and the second slider 42 advances in the direction of the arrow 411 by the nut 48 fastened to the spiral shaft 43 so that the spring 49 is compressed, The drill spindle 50 seated on the two slider 42 advances in the direction of the arrow 411 to perforate a hole on the side of the workpiece.

The nut 48 is returned to its original position by the restoring force of the compressed spring 49 so that the second slider 48 engaged with the nut 48 42 and the drill spindle 50 seated on the second slider 42 are returned to their original positions.

12 and 13, the tapping spindle 60 is mounted on the upper surface of the manual feed slider 61 by the bracket 65, and the front vertical portion 611 of the manual feed slider 61 Both ends of the shaft 62 are mounted on the rear vertical portion 612 and the spring 63 and the guide shaft support 64 are fitted to the shaft 62. When the spring 63 is engaged with the rear vertical portion 612, And the guide shaft support 64 is mounted on the second slider 42 of the Y-axis transfer device 40. The Y-

Thus, when the worker holds the tapping spindle 60 and pushes the tapping spindle 60 in the direction of the arrow 602 in Fig. 13, the shaft 62 of the manual feed slider 61 comes into contact with the guide shaft base 64, In the direction of the arrow 602, and the spring 63 is compressed. The tapping spindle 60 moves in the direction of arrow 602 to form a tapped hole on the side surface of the workpiece.

Thereafter, when the worker releases the spindle 60 for tapping, the manual feed slider 61 and the tapping spindle 60 are returned to their original positions by the restoring force of the compressed spring 63.

14, the control box 70 includes a display unit 71 for displaying input data, a power switch 72 for turning on and off a power source, a number of holes A YZ counter 74 for setting Z-axis and Y-axis reference points, a drill operation button 75 for selecting a drilling operation, a tapping operation button 75 for selecting a tapping operation, An origin button 77 for initializing the machine and an rpm adjustment switch 78 for controlling the rpm of the drill spindle, and a return switch 79 for returning the drill spindle to the initial position.

The horizontal automatic processor according to the present invention configured as described above is used as follows.

The power button 72 is turned on in the control box 70 and the return button is pressed to release the error and alarm and then the origin button 77 is pressed to initialize the equipment and the workpiece 10 W) is mounted and fixed, and then the tool is mounted on the drill spindle 50 and the tapping spindle 60. Thereafter, the number and position data of the holes to be drilled in the X-axis direction are input using the input button 73, and the placement height and hole depth of the drill spindle 50 are set using the YZ counter 74 .

Thereafter, when the drill operation button 75 is pressed, the control box 70 controls the servo motor 24 of the X-axis transfer device 20 so that the drill spindle 50 is moved from the X- Lt; / RTI > Thereafter, the operator manually adjusts the arrangement height of the drill spindle 50 to the value input to the Y-Z counter 74, using the Z-axis transfer device 30. [

Thereafter, the rpm adjustment switch 78 is used to drive the drill spindle 50 to the set rpm value.

Thereafter, the operator rotates the handle 47 of the Y-axis transfer device 40 to perforate a hole on the side of the workpiece at the depth of the hole set by the Y-Z counterpart 74. Here, the Y-axis transporting device 40 returns the Y-axis transporting device 40 to the original position by the spring 49 when the operator places the handle 47.

Thereafter, when the step button SB1 is pressed, the control box 70 controls the servo motor 24 of the X-axis transfer device 20 so that the drill spindle 50 is positioned at the second drilling position.

Thereafter, the worker presses the step button SB1, rotates the handle 47 of the Y-axis transfer device 40, and performs an operation of perforating a hole on the side of the workpiece at the depth of the hole set by the YZ counterpart 74 .

When the drilling operation is completed, and the drill spindle 50 is returned to the first drilling position, the operator presses the tapping operation button 76. When the operator presses the tapping operation button 76, the control box 70 controls the servomotor 24 of the X-axis transporting device 20 so that the center of the tapping spindle 60 reaches the center of the drilling spindle 50 As shown in FIG.

Thereafter, the drill for drilling from above, except that the worker grips the tapping spindle 60 and pushes the tapping spindle 60 in the direction of the arrow 602 in Fig. 13 to form a tab in the hole formed in the side of the workpiece To form a tab in the hole formed in the side surface of the workpiece, such as by drilling a hole in the side of the workpiece.

10: Work table 20: X-axis transfer device
30: Z-axis feed device 40: Y-axis feed device
50: Drill spindle 60: Tapping spindle
70: Control box

Claims (4)

The ball screw 21 and the guide rail 22 of the X-axis transfer device 20 are mounted on one side of the work table 10 and the first slider 25 of the X- The base block 31 of the Z-axis transfer device 30 is mounted on the first slider 25 of the X-axis transfer device 20, , The cable box 32 of the Z-axis conveying device 30 relatively ascends and descends relative to the base block 31 and the Y-axis conveying device 40 The base plate 41 is mounted and the drill spindle 50 and the tapping spindle 60 are mounted side by side on the second slider 42 of the Y- Axis direction of the spindle 60 and the tapping spindle 60. The drill spindle 50 and the tapping spindle 60 are mounted side by side on the second slider 42 of the Y- , A control box (70) The basic distance value S1 of the tapping spindle 60 relative to the drill spindle 50 is stored on the basis of the reference position 50 of the X-axis transfer device 20, The center of the tapping spindle 60 is moved to the center position of the drill spindle 50 for tapping after the drilling and the servo of the X-axis transfer device 20 is controlled by the control box 70 And the operation of the motor is controlled.
The method according to claim 1,
The work table 10 is provided with a cylinder 81 in an upright position and an up-down plate 83 is mounted on the piston rod 82 of the cylinder 81 and a plurality of push rods A ball caster 85 of a synthetic resin material is mounted on the upper end of the push rod 84 and a plurality of rod holes 13 are formed in the table 12 so as to correspond to the push rod 84 Wherein the first and second substrates are formed on the substrate.
The method according to claim 1,
The Y-axis transfer device 40 is for transferring the drill spindle 50 in the Y axis direction of FIG. 1 to perforate a hole on the side of the workpiece. The Y-axis transfer device 40 includes a cable box 310 Both ends of the spiral shaft 43 are rotatably supported by the shaft receivers 44 and 45 of the base plate 41 and the spiral shaft 43 And a nut 48 attached to the lower surface of the second slider 42 is fastened to the spiral shaft 43. The nut 48 is fastened to the spiral shaft 43 The spring 49 is fitted so that the spring 49 is disposed between the nut 48 and the shaft bearing 44 and the drill spindle 50 is mounted on the upper surface of the second slider 32 Horizontal automatic processing machine.
The method according to claim 1,
The control box 70 includes a display unit 71 for displaying input data, a power switch 72 for turning the power on and off, an input for setting the number and position of holes to be machined in the X- A YZ counter 74 for setting Z-axis and Y-axis reference points, a drilling operation button 75 for selecting a drilling operation, a tapping operation button 76 for selecting a tapping operation, An origin button 77 for initializing, an rpm adjustment switch 78 for controlling the rpm of the drill spindle and the tapping spindle, and a return switch 79 for returning the drill spindle to the initial position. Express automatic processing machine.

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