KR101383169B1 - Weather strip drilling machine having function of removing drill chip - Google Patents

Abstract

The present invention relates to a vehicle weather strip drilling device, and more particularly, to a weather strip drilling device capable of removing a drill chip when a hole through which a clip for installing a weather strip on an inner panel of a vehicle door is fitted in the weather strip is formed. A vehicle weather strip drilling device according to the present invention includes: a drill bit which forms a clip hole in a bottom surface of a vehicle weather strip and has a hollow hole longitudinally passing through a central part thereof such that a drill chip generated when forming the clip hole is introduced into the hollow hole; a spindle having a lower end part for holding the drill bit and rotated by a motor and including a hollow hole longitudinally passing through a central part thereof, wherein the hollow hole communicates with the hollow hole of the drill bit; an ejecting rod inserted in the hollow hole formed in the central part of the spindle to downwardly push and eject the drill chip from a lower end part of the drill bit in the hollow hole thereof after drilling the weather strip; a rotation support block fitted on and coupled to an outer circumferential surface of the spindle to support the spindle and allow rotation thereof; an elevating cylinder for vertically moving the rotation support block; an ejecting cylinder for downwardly pressing and pushing an upper end part of the ejecting rod such that the ejecting rod downwardly pushes and ejects the drill chip from the lower end part of the drill bit in the hollow hole thereof; and a drill chip removing part using a vacuum to suction and recover the drill chip discharged downward from the drill bit by the ejecting rod.

Description

WEATHER STRIP DRILLING MACHINE HAVING FUNCTION OF REMOVING DRILL CHIP}

The present invention relates to a weather strip drilling apparatus for automobiles, and more particularly, a weather strip capable of removing a drill chip during hole drilling for fitting a clip used when attaching the weather strip to an inner panel of an automobile door to the weather strip. A perforation device.

Automotive weather strips are installed on the edge of door or luggage compartment lid to seal the room and luggage compartment, thereby blocking outside air and noise, absorbing shocks when opening and closing door and luggage compartment lid, And prevent noise generated by the gap.

1 shows a fastening structure of a conventional weather strip for automobiles disclosed in Korean Patent Laid-Open No. 10-2009-0130503. As shown in the drawings, a conventional conventional weather strip 100 for a car is provided with a plurality of clips 2 at a bottom portion 1 which is in contact with a door inner panel (not shown) And is easily installed by being fixed by being fitted in a panel hole (not shown) in the panel.

As such, in order to secure the weather strip to the door inner panel of the vehicle by using the clip, a hole for inserting the clip into the weather strip must be drilled. Such a drilling operation is performed at the upper part of the weather strip which is transported through the horizontal feeder. It is performed by a conventional drill tool that is up and down. However, if the drill chip generated during the weather strip drilling by such a drill remains inside the clip hole of the weather strip, the clip may not be inserted smoothly in the clip insertion process, and the drill chip may be discharged to the outside. This will not only make the surroundings dirty, but can also interfere with the operation of other equipment such as horizontal feeders or clip insertion devices. However, the apparatus used in the drilling operation of the conventional weather strip has not been provided with a device for automatically removing the drill chip generated during the drilling. In Korean Patent Laid-Open Publication No. 10-2007-0067055, a chip removing apparatus of a general electric drilling machine is presented, which relates to an electric drill that drills holes in wood or metal, etc., in which case a large amount of drill chips are continuously discharged to the outside. It is not suitable for direct application to automotive weatherstrip drilling equipment as it is intended to prevent scattering. Therefore, there is a need for a device that can be applied to a weather strip drilling device for automobiles to automatically remove the drill chip to lower the defective rate during clip work.

The present invention was devised to solve the problems of the conventional automotive weather strip punching device as described above, and by removing the drill chip generated after drilling to the outside immediately after generation to remove immediately the drill chip inside the clip hole of the weather strip. It is an object of the present invention to provide a weather strip cloth factory for automobiles having the effect of preventing a defect occurring when inserting a clip as it is positioned, and improving the surrounding environment and blocking the interference of adjacent equipment operation.

According to the present invention, a weather strip drilling apparatus for a vehicle according to the present invention for drilling a clip hole in a bottom surface of a vehicle weather strip, and the drill chip generated during drilling is inserted into the axial direction at the center thereof. A drill bit through which a hollow hole is formed; A spindle gripping the drill bit at a lower end thereof and rotated by a motor, and having a hollow hole communicating with the hollow hole of the drill bit at a central portion thereof in a axial direction; A take-out rod inserted into the central hollow hole of the spindle and pushed down the drill chip inserted into the inner hollow hole of the lower end of the drill bit after drilling the weather strip; A rotation support block inserted into an outer circumferential surface of the spindle and rotatably supporting the spindle; An elevating cylinder for elevating the rotary support block in a vertical direction; An ejection cylinder for pushing the upper end of the ejecting rod downward to push the drill chip inserted into the hollow hole at the lower end of the drill bit downward; And a drill chip removal unit for vacuum suctioning and collecting the drill chip discharged under the drill bit by the extraction rod.

Here, the lower spindle outer peripheral surface of the rotation support block is provided with a pulley, the pulley of the spindle and the pulley of the motor is connected to the belt is configured to rotate the spindle in accordance with the motor drive.

The motor is mounted to a bracket coupled to one side of the rotation support block, and the bracket is lifted by the lifting cylinder.

Then, a spring is provided at an upper end of the takeout rod to provide a restoring force for raising and lowering the taken down rod that is moved downward to take out the drill chip inserted into the hollow hole of the drill bit.

In addition, the upper portion of the spindle is exposed to the upper side of the rotation support block, the bushing is fitted to the upper outer peripheral surface of the exposed spindle, the upper portion of the bushing is coupled to the upper cap and the through hole is formed in the upper portion of the cap, The upper through-hole is provided with a take-out button coupled to the upper end of the takeout rod so as to penetrate, and the spring is a coil spring wound on the outer peripheral surface of the upper end of the takeout rod. It is supported by the inner step that is formed curved and the upper end is supported by a support piece protruding outwardly below the take-out button.

On the other hand, the drill chip removal unit is disposed in the lower portion of the drill bit is inserted into the hollow hole of the drill bit, the chip mounting piece for mounting the drill chip taken out downward; It is connected to the vacuum means and comprises a vacuum pipe for suction conveying the drill chip seated on the chip seat by the vacuum suction input.

Here, the vacuum pipe is disposed to be inclined from the front side of the drill bit to the front upward, the upper end has a hinge axis is installed to be able to pivot forward and backward, and one side of the middle portion of the cam is arranged in parallel along the longitudinal direction of the vacuum pipe And a roller which is lifted in conjunction with the lifting cylinder and is in contact with the cam, and the roller which is lowered according to the expansion of the lifting cylinder when the weather strip is drilled presses the cam toward the front side and the vacuum pipe is pushed. When the drill chip is taken out and the drill chip is taken out, the roller which is raised in accordance with the compression of the lifting cylinder releases the pressing force of the cam to return the vacuum pipe to the back side.

In addition, a first clamp for holding a vacuum pipe at one side is provided at an upper end of the vacuum pipe, a central portion of the first clamp is rotatably coupled to a side of a support frame by a hinge axis, and the cam is downwardly moved to the rear side. An inclined cam having an inclined surface is fixed in parallel to the rear side of the vacuum pipe by a second clamp, the other side of the first clamp to provide a restoring force so that the vacuum pipe is returned to its original position after turning to the front side It is mounted, the spring is supported by the engaging projection projecting on one end of the other end of the first clamp, the other end of the spring is supported by the engaging projection formed on a separate bracket installed vertically upward on the support frame.

According to the present invention as described above, by forming a space in which the drip chip can be inserted in the center of the drill, the drill chip is inserted into the drill and drawn out to the outside of the weather strip at the same time of drilling, and drilled by the air cylinder and the vacuum suction means. The separation and recovery of the chip is performed, which significantly reduces the defects in the clip insertion due to the placement of the drill chip inside the clip strip of the weather strip, and blocks the operation of adjacent equipment due to the falling or scattering of the drill chip and the environment. It can bring about an improvement effect.

1 is a view showing a mounting structure of a conventional weather strip for a vehicle,
2 is a perspective view of a weather strip punching device for automobiles according to the present invention;
3 is a front view of a weather strip drilling device for automobiles according to the present invention;
Figure 4 is a side view of the weather strip punching device for automobiles according to the present invention,
5 is an operational state diagram of the weather strip punching device for automobiles according to the present invention.

Hereinafter, with reference to the accompanying drawings and preferred embodiments will be described in detail the configuration and operation of the weather strip device for automobiles according to the present invention.

2 to 4, the weather strip drilling apparatus for automobiles according to the present invention is largely composed of a drill portion 10, a drill driving portion 20, a drill lifting portion 30 and a drill chip removing portion 40. do.

The drill portion 10 is a portion for drilling a clip hole in the bottom surface of the weather strip by a drill that rotates about a vertical axis and moves up and down, and includes a drill bit 11, a spindle 12, and a rotation support block 15. And a takeout rod 13 and a takeout button 18.

The drill bit 11 drills the clip hole in the bottom surface of the weather strip by high speed rotation. In the present invention, the drill chip generated during drilling does not flow into the clip hole of the weather strip or fall outwards. In order to be inserted into the inside of), as shown in Figure 3, it is composed of a hollow drill bit 11 formed through the hollow hole in the axial direction in the center.

The spindle 12 is a shaft member which is gripped and fixed to the lower end and rotated in accordance with the driving of the motor 21 to be described later. The spindle 12 may be provided with a chuck or other fixing member for gripping the drill bit 11 at the lower end thereof, and is formed to extend in the longitudinal direction. In addition, the spindle 12 has a hollow hole communicating with the central hollow hole of the drill bit 11 at the center thereof in the axial direction, and the extraction rod 13 is formed at the central hollow hole of the spindle 12. Is inserted.

The ejection rod 13 is lowered by the ejection cylinder 41 to be described later when the drill chip generated when the weather strip is drilled is inserted into the hollow hole of the drill bit 11, and then into the hollow hole of the drill bit 11. It is a rod member which pushes out the inserted drill chip downward. The extraction rod 13 is inserted over the hollow hole of the drill bit 11 and the hollow hole of the spindle 12, and the upper end portion is extended to protrude further above the upper end portion of the spindle 12.

The outer peripheral surface of the spindle 12 is provided with a pulley 14. The pulley 14 is a portion to which the belt 23 for transmitting the rotational force of the motor 21 of the drill driving unit 20 to be described later to the spindle 12 is coupled, the drill bit 11 of the spindle 12 is coupled It is preferably located directly above the site.

On the other hand, the spindle 12 is rotated about the vertical axis by the drill driving unit 20 to be described later, and is moved up and down in the vertical direction by the drill lifting unit 30 to be described later. To this end, the spindle 12 is rotatably supported by the outer circumferential surface is surrounded by the rotation support block 15, and one side is fixedly coupled to the bracket 24 to be described later is configured to be elevated with the bracket 24. The rotating support block 15 is a hollow shaft member having a substantially rectangular parallelepiped shape on the outside thereof and a through hole formed therein so as to be rotatably coupled to the spindle 12 in the axial direction, and the spindle ( It is preferable that a bearing for smooth rotation of 12) be interposed.

As shown in FIG. 3, the upper portion of the spindle 12 is exposed to the upper side of the rotation support block 15, and the bushing 16 is preferably fitted to the upper outer peripheral surface of the exposed spindle 12. In addition, a cap 17 having a hole is coupled to the upper portion of the bushing 16 so that the lower portion is opened and the upper portion of the bushing 16 penetrates the ejection button 18 described later. Here, the bushing 16 and the cap 17 may be rotated together with the spindle 12 or may be configured to rotatably surround only the spindle 12. The bushing 16 and the cap 17 are for installing the take-out button 18 described later, and may be configured as separate components, or may be configured as an integrated component. That is, the bushing 16 and the cap 17 may be configured as one cap member.

On the other hand, as shown in Figure 3, the take-out rod 13 is from the distal end of the drill bit 11 so as to secure a space in which the drill chip can be inserted into the lower end hollow hole of the drill bit 11 during the drilling operation It is arranged to be spaced apart at a predetermined interval upwards, and when the drill chip is inserted into the hollow hole of the drill bit 11, the drill chip is lowered to take out the drill chip downward, and then the drill chip generated during the next drilling operation is placed in the hollow hole. The return must be raised to be inserted. To this end, a spring 19 for providing a restoring force to the take-out rod 13 is provided.

The spring 19 is preferably a coil spring wound on the outer peripheral surface of the upper end of the extraction rod (13). The spring 19 is not particularly limited as long as it provides a restoring force for returning the extraction rod 13 upward, but as shown in FIG. 3, the lower end of the spring 19 has a spindle 12. Is supported on the inner step is formed in a concave curvature formed with a larger diameter than the hollow hole inside the upper end of, the upper end of the spring 19 is supported by a support piece (not shown) protruding on the outer peripheral surface of the extraction rod (13) 3 may be supported by a support piece 18b protruding outward from a lower portion of the take-out button 18 as shown in FIG. 3.

The ejection button 18 is coupled to the upper end of the ejection rod 13 and is exposed upward, and is pushed downward by the ejection cylinder 41 of the drill chip removal unit 40 to be described later, and lowers the ejection rod 13. As shown in FIG. 3, a fitting groove 18a to which the upper end of the extraction rod 13 is fitted in the vertical direction is formed on the inner side, and a support piece 18b protruding outward is formed on the lower portion thereof. . The upper portion of the take-out button 18 is formed to be smaller than the upper hole diameter of the cap 17 and is inserted through the upper hole of the cap 17 to be settled in and out of the cap 17, the lower support piece 18b ) The diameter is larger than the top hole diameter of the cap 17 to prevent the take-out button 18 from being separated out of the cap 17. And, as mentioned above, the upper end of the spring 19 is supported by the support piece 18b.

The drill driving unit 20 is a part for rotating and driving the spindle 12 and the drill bit 11 in accordance with a power supply, and includes a motor 21 and a belt 23. The motor 21 is a conventional motor generating a rotational force in accordance with the power supply, the pulley 22 for coupling the belt 23 is coupled to the motor shaft. The belt 23 is for transmitting the rotational force of the motor 21 to the spindle 12 and the drill bit 11 coupled thereto, preferably consisting of a timing belt or a V-belt. Do. The belt 23 is coupled to the pulley 22 coupled to the motor shaft of the motor 21 on one side, and coupled to the pulley 14 coupled to the outer circumferential surface of the spindle 12 on the other side of the motor 21. To transmit the rotational force of the spindle 12 and to rotate the spindle 12 and the drill bit (11).

Here, the motor 21 is supported by the bracket 24 is disposed so that the motor shaft is directed downward. The bracket 24 is a horizontal portion 24a for supporting the motor 21 downward as described above, and a vertical portion 24b coupled to one side of the rotation support block 15 of the above-described drill portion 10. As shown in FIG. 3, it is generally composed of an 'L' shape.

The drill elevating unit 30 is a portion for drilling a plurality of clip holes at equal intervals on the surface of the bottom of the weather strip continuously supplied as the elevating and drilling the drill unit 10 above and below. 32 and the support frame 34, the slide rod 36 and the slide block 25.

The lifting cylinder 32 raises and lowers the drill unit 10 described later by air or hydraulic pressure, and the support frame 34 horizontally disposed above the drill unit 10; And fixed to the ground, etc.), and the end of the cylinder rod is coupled to the vertical portion 24b of the bracket 24 directly or by a separate bracket or block (not shown). Accordingly, according to the operation of the lifting cylinder 32, the bracket 24 coupled with the cylinder rod is lifted, and the drill unit 10 and the bracket 24 including a rotation support coupled to the bracket 24. The drill driving unit 20 including the motor 21 mounted on the elevating together. In addition, for stable lifting of the bracket 24, slide blocks each having a through hole with bearings interposed therebetween are mounted at one side before and after the bracket 24, and on both sides of the support frame 34 at both sides. A slide rod 36 is installed vertically, and the slide rod 36 is inserted into the through hole of the slide block. Accordingly, when the bracket 24 is lifted by the operation of the lifting cylinder 32, the slide block 25 installed on the bracket 24 slides along the outer circumferential surface of the slide rod 36 to lift the bracket 24. Guide the lift to a stable level without flow.

The drill chip removing unit 40 is a portion for removing the drill chip inserted into the drill bit 11 by pressing the take-out button 18 of the drill unit 10 to the outside, and then suction-recovering and removing it by vacuum. ), A chip mounting piece 42, a vacuum pipe 43, and a vacuum means (44).

The ejection cylinder 41 is an air cylinder provided on the upper side of the drill unit 10 to press the ejection button 18 downward, as shown in FIG. 3, and is disposed perpendicular to the support frame 34. The cylinder rod is disposed downward to face the lower drill part 10 ejection button 18, and the cylinder rod end descends in accordance with the expansion of the ejection cylinder 41 to press the ejection button 18, and the cylinder rod is compressed by compression. Rises and the pushing operation of the take-out button 18 is canceled.

The chip mounting piece 42 is disposed below the drill bit 11 and inserted into the hollow hole of the drill bit 11 as the ejection button 13 is pressed by the ejection cylinder 41 and the ejection rod 13 is lowered. The recessed portion of the drill chip, which is drilled down, is seated, and a concave curved portion is formed on the upper surface so that the drill chip can be stably seated, and the curved portion space is configured to communicate with the vacuum pipe 43 described later.

The vacuum pipe 43 is connected to a vacuum means 44, such as a vacuum suction device provided separately on the outside to suck and transport the drill chip seated on the chip seat 42 by the suction force, as mentioned above It is inserted and coupled to one side of the chip mounting piece 42 is in communication with the concave bent portion on which the drill chip is seated. The diameter of the vacuum pipe 43 is formed to be larger than the diameter of the drill chip, it is preferable to be disposed to extend slightly obliquely at the front side of the drill bit (11).

On the other hand, the chip mounting piece 42 and the vacuum pipe 43 is turned to one side when the drill unit 10 is lowered so as not to interfere with the drilling operation of the drill unit 10, and the drilling unit is completed by drilling If (10) rises again, it should be configured to swing back to its original position for recovery of the drill chip. To this end, the vacuum pipe 43 is pivotally coupled to the support frame 34 at the upper end, and a cam 48 is additionally provided for the pivoting operation of the vacuum pipe 43.

Specifically, referring to Figure 4, the upper end of the vacuum pipe 43 is provided with a first clamp 45 for holding the vacuum pipe 43 on one side, the central portion of the first clamp 45 support frame One side of the 34 is pivotally coupled by a hinge shaft 46. Then, the spring 47 is mounted on the other side of the first clamp 45 so that the vacuum pipe 43 returns to its original position after turning. Here, one end of the spring 47 is supported by the engaging projection 45a protruding from the other end of the first clamp 45, the other side of the spring 47 is installed vertically upwards to the support frame 34 It is caught and supported by the engaging projection (35a) formed on the bracket (35).

In addition, a cam 48 disposed in parallel in the longitudinal direction of the vacuum pipe 43 is provided at an intermediate portion of the vacuum pipe 43. As shown in FIG. 4, the cam 48 is an inclined cam having an inclined surface downward toward the rear side, and is disposed in parallel to the rear side of the vacuum pipe 43 by the second clamp 49. And, one side of the bracket 24 is provided with a roller 26 to move along the cam 48. The roller 26 moves upward and downward when the bracket 24 moves up and down, pushing the inclined surface of the cam 48 to pivot the vacuum pipe 43 forward. Here, for example, the roller 26 is mounted on the bracket 24 which is lifted and lowered by the lifting cylinder 32, but is not necessarily mounted only on the bracket 24, but is lifted in conjunction with the lifting cylinder (32) If configured to be possible, there is no particular limitation on the coupling position. For example, the roller 26 may be mounted on the bracket 24, or may be configured to move up and down in conjunction with the lifting cylinder 32 by a connector such as a separate link member to the rod of the lifting cylinder 32. The turning operation of the vacuum pipe 43 by the cam 48 and the roller 26 will be described later.

So far, the configuration of the weather strip punching device for automobiles according to the present invention has been described. Hereinafter, a specific operation relationship will be described. 5 shows the operational relationship of the weatherstrip drilling device according to the invention in sequence.

Initially, before the drilling operation of the weather strip, as shown in FIG. 4, the drill portion 10 is in an elevated state, and the chip seat 42 is positioned under the drill bit 11, and the vacuum pipe ( 43 is arranged obliquely forward and upward. When the weather strip to be punctured is supplied in the present state, as shown in FIG. 5 (a), the bracket 24 and the rotation support block 15 and the spindle ( 12) The drill part 10, such as the drill bit 11, descends. When the bracket 24 descends, the roller 26 installed on the bracket 24 pushes the cam 48 coupled to the vacuum pipe 43 so that the vacuum pipe 43 is centered on the axis of rotation of the first clamp 45. As the chip seat piece 42 is turned away from the downward path of the drill bit 11 as it is turned to the front side, the drill part 10 may be lowered without interference. Then, the spindle 12 and the drill bit 11 rotate in accordance with the driving of the motor 21 to drill the clip hole on the bottom surface of the weather strip.

When the drilling is completed, as shown in FIG. 5 (b), the bracket 24 and the drill unit 10 are raised again according to the compression of the lifting cylinder 32, and the vacuum pipe 43 is a roller 26. The pushing action of the cam 48 by) is released and is returned to its original position by the restoring force due to the spring 47 coupled to the first clamp 45. At this time, the drill chip (C) is inserted into the hollow hole of the drill bit 11, the chip mounting piece 42 is positioned directly under the drill bit (11).

Then, when the cylinder rod end of the ejecting cylinder 41 presses the ejecting button 18 as the ejecting cylinder 41 expands, the ejecting rod 13 inserted into the hollow hole inside the spindle 12 descends and drills. The drill chip inserted into the hollow hole of the bit 11 is taken out below. The drill chip taken out is seated in the chip seating portion, and the ejection rod 13 is originally restored by the restoring force by the spring 47 when the push operation of the ejection button 18 is released according to the compression of the ejection cylinder 41. Is raised to the position. The drill chip seated on the chip seat 42 is recovered via the vacuum pipe 43 by the vacuum suction force generated by the vacuum means 44.

As described above, the present invention has been described by the embodiments shown in the accompanying drawings, but the protection scope of the present invention is not limited thereto, and the protection scope of the present invention is set forth in the matters described in the claims and all equivalent embodiments thereof. It should be interpreted as crazy.

10: drill part 11: drill bit
12: spindle 13: take-out rod
14 pulley 15 rotation support block
16: bushing 17: cap
18: eject button 18a: fitting groove
18b: support piece 19: spring
20: drill driving unit 21: motor
22: pulley 23: belt
24: bracket 24a: horizontal portion
24b: vertical portion 25: slide block
26: roller 30: drill lifting part
32: lifting cylinder 36: slide rod
34: support frame 35: bracket
35a: engaging protrusion 40: drill chip removal unit
41: ejection cylinder 42: chip seat
43: vacuum pipe 44: vacuum means
45: first clamp 45a: locking projection
46: hinge axis 47: spring
48: cam 49: second clamp

Claims (8)

A drill bit 11 which drills a clip hole in a bottom surface of a vehicle weather strip, and a hollow hole penetrates in an axial direction at a center thereof so as to insert a drill chip generated during drilling;
A spindle 12 which grips the drill bit 11 at a lower end thereof and is rotated by a motor 21, and a hollow hole communicating with the hollow hole of the drill bit 11 in the center thereof penetrates along the axial direction;
A take-out rod 13 inserted into the central hollow hole of the spindle 12 to push down the drill chip inserted into the inner hollow hole of the lower end of the drill bit 11 after drilling the weather strip;
A rotation support block 15 inserted into and coupled to an outer circumferential surface of the spindle 12 to rotatably support the spindle 12;
An elevating cylinder 32 for elevating the rotary support block 15 in the vertical direction;
A ejection cylinder 41 for pushing the upper end of the ejection rod 13 downward so that the ejection rod 13 pushes the drill chip inserted into the hollow hole at the lower end of the drill bit 11 downward;
And a drill chip removing unit (40) for vacuum suctioning and collecting the drill chips discharged under the drill bit (11) by the draw bar (13). The method according to claim 1,
A pulley 14 is provided on an outer circumferential surface of the lower spindle 12 of the rotation support block 15, and a pulley 22 coupled to the pulley 14 and the motor 21 of the spindle 12 includes a belt 23. The weather strip drilling device for automobile, characterized in that configured to rotate the spindle 12 in accordance with the drive of the motor (21). The method according to claim 1,
The motor 21 is mounted to a bracket 24 coupled to one side of the rotation support block 15, and the bracket 24 is lifted and lowered by the lifting cylinder 32. Perforation device. The method according to claim 1,
A spring 19 is provided at an upper end of the takeout rod 13 to provide a restoring force for raising and returning the taken down rod 13 moved downward to take out the drill chip inserted into the hollow hole of the drill bit 11. Weather strip punching device for automobiles. 5. The method of claim 4,
The upper portion of the spindle 12 is exposed to the upper side of the rotation support block 15, the bushing 16 is fitted to the upper outer peripheral surface of the exposed spindle 12, the upper portion of the bushing 16, the lower portion is open and the upper portion A cap 17 having a through hole is coupled to the cap 17. An upper button of the cap 17 is installed to penetrate through the ejection button 18 coupled to an upper end of the draw bar 13. ) Is a coil spring wound on the outer circumferential surface of the upper end of the takeout bar 13, and the lower end is supported by an inner step formed by concavely curved with a diameter larger than the hollow hole inside the upper end of the spindle 12, and the upper end of the takeout button ( 18) A weather strip drilling device for automobiles, which is supported by a support piece (18b) protruding outward from the bottom. The method according to claim 1,
The drill chip removal unit 40,
A chip mounting piece 42 disposed below the drill bit 11 and inserted into a hollow hole of the drill bit 11 and seated with a drill chip taken out downward;
And a vacuum pipe (43) connected to the vacuum means (44) for sucking and transporting the drill chip seated on the chip seat (42) by the vacuum suction input. The method according to claim 6,
The vacuum pipe 43 is disposed to be inclined from the front side of the drill bit 11 to the front upward, the upper end is provided with a hinge shaft 46 so as to be able to pivot in the front and rear sides, the vacuum pipe 43 on one side of the middle portion. Cam 48 is disposed parallel to the longitudinal direction of the, is provided in conjunction with the lifting cylinder 32, the lifting and lowering is provided with a roller 26 in contact with the cam 48, when lifting the weather strip As the roller 26 lowered in accordance with the expansion of the cylinder 32 presses and pushes the cam 48 toward the front side, the vacuum pipe 43 turns to the front side, and the lifting cylinder 32 when the drill chip is taken out. And a roller (26), which is raised in accordance with the compression, releases the pressing force of the cam (48) to return the vacuum pipe (43) to the rear side. The method of claim 7, wherein
The upper end of the vacuum pipe 43 is provided with a first clamp 45 for holding the vacuum pipe 43 at one side, the central portion of the first clamp 45 is a hinge shaft (one side of the support frame 34) ( 46 is pivotally coupled by the cam 48, and the cam 48 is an inclined cam having an inclined surface downward toward the rear side and is fixedly arranged in parallel by the second clamp 49 at the rear side of the vacuum pipe 43, The other side of the first clamp 45 is mounted with a spring 47 for providing a restoring force so that the vacuum pipe 43 is turned to the front side and then returned to its original position, one end of the spring 47 is the first clamp (45) It is supported by the engaging projection (45a) protruding to the other end of the), the other end of the spring 47 is supported by the engaging projection (35a) formed in a separate bracket (35) installed vertically upwards on the support frame 34 Weather stripping device for automobiles, characterized in that the.

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