JP3662803B2 - Equipment for cleaning falling objects such as cutting blades - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention, cutting slag which fall through the cutting in the surface plate, to an apparatus that be cleaned Remove the chips or the like from the cutting plate downward.
[0002]
[Prior art]
When opened automatically cut and holes plank steel sheet by NC gas cutting composite device, placing the thick steel plate cut surface plate lattice shape or the like, the gas flame of NC gas cutting device, the A thick steel plate is cut to a certain size or drilled (see Examples below). When opened the cut-hole, cutting slag, chips falls down through the cutting plate. If the fallen objects such as the dropped cutting blade accumulate, the work environment may be deteriorated and the workability may be adversely affected, or the gas flow for cutting may be disturbed and the cut product may be adversely affected. Must be cleaned and removed.
[0003]
Examples of the cleaning device include those described in Japanese Patent No. 2607144, Japanese Patent Laid-Open No. 11-192548, and the like.
[0004]
[Problems to be solved by the invention]
The cleaning device described in each of the above publications is provided with a conveyor or a scraper in the entire area below the cutting platen, and the entire device becomes large, leading to an increase in equipment size and cost. It is very expensive.
[0005]
It is an object of the present invention to make it possible to clean fallen objects such as cutting blades with a small size and low cost.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, according to the present invention, falling objects such as cutting blades are received by a receiving plate, and the falling objects are collected by blowing them to one side with compressed air.
[0007]
Usually, a compressed air source is always present in this kind of equipment factory, and it is easy to obtain compressed air. By blowing out air, cutting chips and the like can be easily blown away and collected. Further, the air jet nozzle can be easily fed (introduced) into the lower surface of the cutting surface plate from the side of the cutting surface plate together with the supply hose, and can be cleaned by blowing the blown air over the entire lower surface of the cutting surface plate.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
In embodiments of the present invention, a falling object cleaning methods such as cutting slag is cutting slag to fall through the cutting plate, received in the receiving plate provided with a falling object such as chips cut surface plate downwards, cutting a constant It is possible to adopt a configuration in which an air ejection nozzle is fed onto the receiving plate from the side of the panel, and the falling object is blown forward in the feeding direction and discharged from the receiving plate by the ejection of air accompanying the feeding.
[0009]
In order to achieve this cleaning method, for example, a receiving plate that receives falling objects such as cutting blades and chips falling from the cutting surface plate is provided below the cutting surface plate, A link chain winding drum movable along the winding chain is provided, and the winding drum is wound together by rotating the link chain with a belt having one end fixed to the winding drum outward. The take-up drum is reversely rotated by pulling it out from the other end, and the taken-up link chain is fed out, and compressed air is fed into the link chain over the entire length from the fixed end to the end of the take-up drum. A cleaning device having a configuration in which a tube is attached and an air ejection nozzle is provided at the tip of the compressed air feeding tube is employed.
[0010]
If a scraper is attached to the air ejection nozzle, and the fallen object is also pushed forward by the scraper in the feeding direction, sections such as sections that cannot be ejected by air and large deposits such as paste left behind are mechanically removed. Can be removed. That is, the cleaning effect is increased.
[0011]
When the cutting platen is placed on a parallel table, the receiving plate is provided between the tables, and there is a cleaning area between the tables, the air jets along the cleaning spaces. The nozzle is moved, and the air ejection nozzle is fed into each cleaning area .
[0012]
If the receiving plate is inclined downward toward the feeding direction of the air ejection nozzle, a dropping force is applied to the slot and the cleaning by blowing away is easy.
[0013]
Further, the air ejection nozzles are provided on both opposing side surfaces of the cutting surface plate, respectively, and a dropping port is formed over the entire length of the side surface between the opposing side surfaces of the cutting surface plate of the receiving plate. If falling objects such as blades are dropped onto the conveyor from the drop port and transported to the required position, the work efficiency is improved by the increase of the cleaning air jet nozzle, and each air jet nozzle Noro collected by the air jet is conveyed by a series of conveyors, so it is efficient.
[0014]
A wire may be employed instead of the belt. Wai Ya is because may the same as the belt action.
[0015]
【Example】
This embodiment is a device for cutting and drilling a material to be cut, such as a thick steel plate of a structure such as a bridge, using an NC laser cutting compound machine, and a cutting surface plate for placing the material to be cut. It is used in a cleaning device that carries out chips, chips, etc. that have dropped down.
[0016]
As shown in FIG. 1, the fixed-size cutting / drilling device places a required number of honeycomb-shaped aluminum cutting surface plates A on a base 10, and a laser cutting machine Q is vertically and horizontally placed on the base 10. The thick steel plate B on the cutting platen A is cut to a required dimension, or drilled (not shown). The cutting surface plate A is described in detail in Japanese Patent Application No. 11-75193, and the chips and chips generated in the cutting and drilling operations fall downward from the gaps in the honeycomb cutting surface plate A. .
[0017]
The base 10 has the I-shaped steel 11 arranged in parallel, the upper surface and the lower surface fixed to the orthogonal flat plate 11a and the I-shaped steel 11b, and the receiving plate 12 welded in the middle thereof. The chips fall on the receiving plate 12. The flat plate 11a is removed if there is no hindrance to the mounting of the cutting surface plate A in order to prevent dropping of the flat plate or the like. As shown in FIG. 4B, the receiving plate 12 is inclined toward the center, and the center is an opening (a “falling opening” in the claims) 12a, and the conveyor 13 is placed in the opening 12a. I'm here. For this reason, if the slot etc. on both the receiving plates 12 are pushed out to the center, the slot etc. will fall on the conveyor 13 from the opening 12a, and will be conveyed to an appropriate position. A cleaning device D of this embodiment is provided on both sides of the base 10 so as to be movable in the length direction. The cleaning device D is mounted on a rail 14 along the base 10 through a slider 16 so as to be movable in its length direction, and a pinion (not shown) meshes with a rack 15 on the side of the rail 14. The cleaning device D is moved to a required position by the rotation of the pinion.
[0018]
As shown in FIG. 2 to FIG. 3C, the cleaning device D rotatably mounts a winding drum 21 on a movable table 20 having the slider 16 fixed to the lower surface, and a link chain 22 is attached to the winding drum 21. The belt 23 can be wound around the outer side of the belt. Link chain 22 and the belt 23 at one end thereof is wound by rotation of the fixed to the winding drum 21 winding drum 21. An air pipe 24 a is connected to the winding drum 21, and the air pipe 24 a is connected to a compressed air feeding tube 24 provided in the link chain 22 through the winding drum 21. The compressed air feeding tube 24 is provided over the entire length of the link chain 22 and is connected to an air ejection nozzle 25 at the tip thereof. Therefore, air is ejected from the air ejection nozzle 25 through the compressed air feeding tube 24. The link chain 22 ( compressed air feeding tube 24) and the air ejection nozzle 25 are guided forward by a guide body 31 provided in a projecting state so as to be able to bend from the moving base 20. A sensor 32 comprising a proximity switch is provided on the side surface of the guide body 31, and by detecting the web of the I-shaped steel 11 by this sensor 32, it is confirmed that the air ejection nozzle 25 is at an appropriate position at the entrance of the cleaning area S. When the link chain 22 is extended, it is determined whether or not it can smoothly travel on the receiving plate 12. In the figure, 33 is a scraper that also serves as a nozzle cover, and pushes a section that is not blown away by air. Reference numerals 34 and 34a denote receiving rollers or guide rollers for guiding the air ejection nozzle 25. The receiving rollers 34 are provided at appropriate intervals in the length direction of the link chain 22 to ensure smooth running of the link chain 22, and guide The roller 34a suppresses the inclination movement during traveling in the cleaning area S of the link chain 22 and ensures straight traveling.
[0019]
The belt 23 is wound around a winding roller 27 via a belt guide roller 26 provided below the winding drum 21, and the belt 23 is wound by the rotation of the winding roller 27. As the winding drum 21 rotates, the link chain 22 is fed out. The rotary shaft of the take-up drum 21 and the rotary shaft of the take-up roller 27 are provided with sprockets 28 a and 28 b each incorporating a one-way clutch, and both the sprockets 28 a and 28 b are connected by a chain 29. One of the sprockets 28a is rotated by a motor 30 via a speed reducer 30a, and the clutch on the winding roller 27 side is idled with respect to the rotation of the winding drum 21 of the motor 30 in the winding direction. The link chain 22 is wound around the belt 23 while only the belt rotates and the belt 23 is fed out from the winding roller 27. On the other hand, for the rotation of the motor 30 in the opposite direction, the clutch on the winding drum 21 side rotates idly, and only the winding roller 27 rotates to wind the belt 23. The link chain 22 is fed out by rotating.
[0020]
This embodiment is configured as described above. Next, the operation of the apparatus D will be described. The controller D is moved on the rail 14 by a controller (not shown), and the sensor 32 sequentially corresponds to each cleaning area S from the end. in corresponding positions in a state in which the air injection nozzle 25 jetted air, rotates the take-up roller 27 take-up the belt 23, by feeding the link chain 22 while turning the winding drum 21, the air jet nozzle 25 is sent into the cleaning area S, and by blowing out air from the air blowing nozzle 25 and pushing out the scraper 33, the chips, chips and the like on the receiving plate 12 are sent forward and dropped onto the conveyor 13.
[0021]
When the air ejection nozzle 25 reaches the middle of the receiving plate 12, this is detected by the feed amount (winding amount) of the link chain 22 (belt 23) and the like, and the winding drum 21 is rotated by reversing the motor 30. Then, the link chain 22 and the belt 23 are wound around the winding drum 21, and the air ejection nozzle 25 is moved away from the cleaning area S (receiving plate 12). Thereafter, this action is sequentially performed on each cleaning area S, thereby cleaning (removing) chips, chips, and the like that have dropped from the cutting platen A. When the device D moves, the air ejection nozzle 25 (guide body 31) is erected by the air cylinder 35 as shown by the chain line in FIG.
[0022]
In this embodiment, as shown in FIG. 5, four cleaning devices D (D ₁ , D ₂ , D ₃ , D ₄ ) are provided on the base 10 (sizing / drilling device), and D ₁ , D ₂ and D _3, D ₄ at the same time is shifted in the drawing the right direction by the action of, after the D _1, D ₂ reaches into position D _3, D ₄ is to the left edge only D _3, D ₄ to clean. At this time, each end is detected by the number of webs detected by the sensor 32. The number and arrangement of the cleaning devices D are arbitrary.
[0023]
In this embodiment, a wire may be used instead of the belt 23. Further, as shown by a chain line in FIG. 3A, the belt (wire) 23 and the chain 22 may be wound and fed while being pressed by the arc-shaped spring plate 40. The pressing force of the spring plate 40 may be its own elasticity, but an air cylinder or the like may be employed. At this time, it is preferable to provide a window in a part of the upper surface of the drum cover 21a.
[0024]
If the air ejection nozzle 25 is an air chuck, the air ejection nozzle can be brought in and taken out. Further, if a camera is mounted on the air ejection nozzle part (guide body 31), remote operation in a place where no person can enter is possible.
[0025]
【The invention's effect】
According to the present invention, since the cutting blade or the like is cleaned by air ejection as described above, the operation is facilitated, and the apparatus can be made small and low cost.
[Brief description of the drawings]
FIG. 1 is a schematic perspective view of a sizing / drilling device adopting an embodiment of the present invention. FIG. 2 is a schematic perspective view of an essential part of the embodiment. FIG. 3a is a cut front view of the embodiment. 3b] Partial cutaway plan view of the same embodiment [FIG. 3c] Right cut side view of the same embodiment [FIG. 4] (a) Partial removal plan view of FIG. 1, (b) Partial removal of FIG. Front view of the main part [Fig. 5] Schematic plan view of the sizing device
A cutting surface plate B thick steel plate D cleaning device S cleaning area 10 base 11 I-shaped steel 12 receiving plate 12a opening (falling port)
13 take-up roller 28a of the conveyor 20 moving base 21 wind-up drum 22 link chain 23 belt 24 compressed air infeed tube 25 air ejection nozzle 26 Draft inner roller 27 belts 23 of the belts 23, 28b sprocket 29 chain 33 scraper

Claims (6)

Below the cutting surface plate A, a receiving plate 12 that receives falling objects such as cutting blades and chips falling through the cutting surface plate A is provided, and on the receiving plate 12 from the side of the cutting surface plate A. A falling object cleaning device such as a cutting blade that feeds the air ejection nozzle 25, blows the falling object forward in the feeding direction and discharges it from the receiving plate 12 by ejecting air accompanying the feeding,
A winding drum 21 of a link chain 22 that is movable along the side surface is provided on the side of the cutting platen A. The winding drum 21 has one end fixed to the winding drum 21 with respect to the link chain 22. both winding by rotating in the belt 23 to the outside, the belt 23 is reversely rotated the take-up drum 21 by pulling from the other end, which feed the link chain 22 taking the winding, said link chain 22 is is attached compressed air infeed tube 24 over the entire length from the fixed end of the winding drum 21 to the tip, the air ejection nozzle 25 is provided on the tip of the compressed air infeed tube 24 A falling object cleaning device such as a cutting blade. In claim 1, the above winding drum 21 is attached to the take-up roller 27 of the belt 23, rotates the take-up drum 21 by winding the belt 23 by rotating the take-up roller 27 the A falling object cleaning device such as a cutting blade characterized by feeding out the link chain 22. The fallen object cleaning device such as a cutting blade according to claim 1 or 2, wherein a wire is used instead of the belt (23). Falling objects cleaning apparatus such as cutting Noro according to any one of claims 1 to 3, characterized in that a scraper 33 to the distal end of the link chain 22. The falling object cleaning device such as a cutting blade according to any one of claims 1 to 4 , wherein the receiving plate (12) is inclined downward toward a feeding direction of the link chain (22). The winding drum 21 provided respectively on opposite sides of the cutting plate A, to form a fall opening 12a over the sides entire length on both sides between the middle facing the cutting plate A of the receiving plate 12 6. A falling object cleaning device such as a cutting blade according to any one of claims 1 to 5 , wherein a conveyor 13 covering the entire length of the drop opening 12a is provided below the drop opening 12a.

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