Clearer

Abstract

A cleaner is provided, the cleaner having a dust removal head, the dust removal head corresponding to a concave, convex or other workpiece surface to be cleaned, capable of evenly blowing out air and effectively removing dust. The cleaner removes dust by ejecting air from the dust removal head (1) toward a cleaned surface (11) of a workpiece (W) having a three-dimensional cleaned surface (11), the dust removal head (1) having a workpiece corresponding surface (1a) of a three-dimensional offset shape separated by a small size (G) from the three-dimensional shape of the cleaned surface (11).

Description

Technical Field

[0001] The present invention relates to a remover. Background Art

[0002] Conventionally, as a cleaner for removing dust from the surface of a product (workpiece) that requires dust removal, there is known a cleaner including an air jet nozzle and a suction nozzle (see Patent Document 1).

[0003] Patent document 1: Japanese Utility Model Application Laid-Open No. 5-80573.

[0004] However, the conventional dust collector described in Patent Document 1 removes dust from planar sheet (leaf) workpieces, and cannot handle three-dimensional (3D) workpieces, i.e., three-dimensional products such as diving goggles, optical lenses, and shallow chassis for experiments. In addition, even when the dust collector is modified to handle three-dimensional workpieces, the gap between the dust collector head and each part of the workpiece varies greatly, resulting in insufficient dust removal on the curved surface of the workpiece. In particular, dust removal becomes more difficult for workpieces with complex concave, convex, or concavo-convex three-dimensional shapes. Summary of the invention

[0005] Therefore, an object of the present invention is to provide a cleaner that can correspond to a three-dimensional workpiece, can blow air toward each portion of the workpiece, and can effectively remove dust from a cleaned surface of a three-dimensional workpiece.

[0006] The remover of the present invention has a dust removal head, which sprays air relative to the cleaned surface of a workpiece having a concave, convex or concavo-convex three-dimensional shape. The dust removal head has a convex, concave or convex-concave workpiece corresponding surface with a three-dimensional offset shape that is a small size away from the above-mentioned three-dimensional shape of the above-mentioned cleaned surface.

[0007] In addition, the above-mentioned dust removal head is formed by a metal 3D printer.

[0008] In addition, based on the 3D data recording the three-dimensional shape of the above-mentioned cleaned surface, the three-dimensional offset shape of the above-mentioned workpiece corresponding surface of the above-mentioned dust removal head is calculated, and according to the calculation result, the metal 3D printer is controlled to form the above-mentioned workpiece corresponding surface.

[0009] In addition, if the above-mentioned workpiece corresponding surface of the dust removal head is hypothetically divided into three areas, namely, a central area, a middle surrounding area, and an outer surrounding area, then when the diameter of the first air ejection hole penetrating the above-mentioned central area is set to D1, the diameter of the second air ejection hole penetrating the above-mentioned middle surrounding area is set to D2, and the diameter of the third air ejection hole penetrating the above-mentioned outer surrounding area is set to D3, the inequality D1>D2>D3 is established.

[0010] Effects of the Invention

[0011] According to the cleaner of the present invention, air can be effectively sprayed toward the entire concave, convex or concavo-convex three-dimensional cleaned surface of the workpiece, and sufficient dust removal can be performed at once with high efficiency. In particular, by spraying air from the air ejection holes on the corresponding surface of the workpiece with high-precision three-dimensional size / shape based on the metal 3D printer, the complex three-dimensional cleaned surface can be quickly and effectively dusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an overall cross-sectional view showing one embodiment of the present invention.

[0013] Figure 2 This is a perspective view showing an example of a dust removing head as viewed from the bottom side.

[0014] Figure 3 It is a cross-sectional view of the dust removal head.

[0015] Figure 4 It is a cross-sectional view of the main parts showing the usage state of another embodiment.

[0016] Figure 5 It is a cross-sectional view of a main part showing a usage state of another embodiment. DETAILED DESCRIPTION

[0017] Hereinafter, the present invention will be described in detail based on the illustrated embodiments.

[0018] Figure 1 , Figure 2 , Figure 3 In the figure, reference numeral 1 is a dust removal head which ejects air toward the cleaned surface 11 of the workpiece W having a concave three-dimensional cleaned surface 11 to perform dust removal.

[0019] The dust removal head 1 includes a convex workpiece corresponding surface 1 a of a three-dimensional offset shape separated by a small dimension G from a concave three-dimensional cleaned surface 11 of the workpiece W.

[0020] and, Figure 1 to Figure 3 The dust removal head 1 shown is preferably made by a metal 3D printer. The specific shape is that the 3D data of the concave three-dimensional shape of the cleaned surface 11 of the workpiece W is used as a basis, and the three-dimensional offset shape offset by the aforementioned small size G is calculated. According to the calculation result, the metal 3D printer is controlled to form a slightly smaller convex workpiece corresponding surface 1a of the workpiece corresponding surface 1a, and the dust removal head 1 is manufactured to a predetermined wall thickness.

[0021] Furthermore, if we specifically explain Figure 1 to Figure 3The dust removal head 1 shown is integrally constructed with an elliptical or oblong bottom wall portion 13, a peripheral wall portion 14 that is generally expanded upward, and a lower flange portion 15 that protrudes from the upper edge of the peripheral wall portion 14 toward the outer circumference.

[0022] exist Figure 1 In the embodiment, the dust removal head 1 is fixed to the lower end of the air ejection and suction cylindrical body 20 via a mounting ring 9 having a plurality of arc-shaped air suction holes 8. Alternatively, it is also preferred that the mounting ring 9 and the dust removal head 1 are formed integrally. Figure 2 An embodiment (one example) of such an integral formation is shown.

[0023] The flange 15 is hooked from below, the mounting ring 9 is externally fitted to the dust removal head 1, and is fixed to the bottom wall plate 21 at the lower end of the air ejection and suction cylindrical body 20 by means of bolts (screws) 16.

[0024] The bottom wall plate 21 has a discharge hole 22 at the center and a plurality of suction holes 23 along the outer periphery, and is assembled so as to communicate with the air suction hole 8 of the mounting ring 9 .

[0025] Reference numeral 4 is an air suction cylinder (large diameter), and a bottom wall plate 21 is fixedly connected to the lower end surface thereof. Also, a small exhaust air collecting box 24 having a top plate 24A is fixedly connected to the upper surface of the bottom wall plate 21 .

[0026] Reference numeral 2 denotes an air supply pipe for supplying high-pressure air pumped from a compressor or the like outside the figure, and is connected to the peripheral wall of the exhaust air collecting small box 24 via various joints 25 , 26 , and 27 .

[0027] Arrows F1 , F2 , F3 , and F4 are arrows sequentially indicating the flow of high-pressure air from the air supply pipe 2 , which is sent to the inside of the dust removal head 1 .

[0028] On the other hand, the air sucked in from the air suction hole 8 of the mounting ring 9 is as shown by arrow F. 10 、F 11 、F 12 As shown, the air is sucked in the upward direction in the air suction cylinder 4 through the suction hole 23. In addition, reference numeral 5 is a suction pressure measuring device. In this way, the air is sucked from the periphery through the air suction hole 8, so the surrounding (device) is not contaminated.

[0029] And, in Figure 2 and Figure 3 In the figure, as shown by the double-dotted line 28 for the workpiece corresponding surface 1a of the dust removal head 1, the bottom wall portion 13 is imaginarily divided into a central area C and a middle surrounding area P. Furthermore, if it is imaginarily divided into the middle surrounding area P and the outer surrounding area S by the ridge line 29, the diameter of the air ejection hole is set to become smaller in each area C, P, and S in sequence.

[0030] In other words, when the diameter of the first air ejection hole H1 penetrating the above-mentioned central area C divided imaginarily is set to D1, and the diameter of the second air ejection hole H2 penetrating the middle surrounding area P is set to D2, and the diameter of the third air ejection hole H3 penetrating the outer surrounding area S is set to D3, the inequality D1>D2>D3 holds.

[0031] In this way, by setting the C, P, and S areas successively smaller, Figure 1 The air flowing in the small-size gap G shown in the figure flows out smoothly from the central area C in the radially outward direction and is sucked in from the air intake hole 8 toward the arrow F. 10 The suction direction is ensured, and dust and the like adhering to the surface to be cleaned 11 can be removed quickly and reliably.

[0032] then, Figure 4 Another embodiment is shown. The workpiece W has a convex three-dimensional cleaned surface 11. The dust removal head 1 has a concave workpiece corresponding surface 1a of a three-dimensional offset shape separated by a predetermined small dimension G from the convex cleaned surface 11.

[0033] Should Figure 4 In the case of, it is also preferred that the dust removal head 1 is made by a metal 3D printer.

[0034] The three-dimensional shapes of the convex cleaned surface 11 and the concave workpiece corresponding surface 1a are various shapes such as ellipse, oblong, quadrilateral, hexagon, octagon, etc. when viewed from above (although not shown in the figure).

[0035] And, in Figure 4 In the case of imaginary division into the central area C, the middle surrounding area P, and the outer surrounding area S, the diameter of the air ejection hole is set to be smaller in sequence. That is, the diameter of the air ejection hole is set so that the aforementioned inequality D1>D2>D3 holds true, and the air flowing in the gap of the small size G flows smoothly out from the central area C to the radially outward direction, and then can be sucked along the outer peripheral surface of the dust removal head 1 toward the air intake hole 8 provided. In this way, smooth dust removal can be effectively achieved. In addition, the surrounding area will not be polluted by suction from the air intake hole 8 on the periphery.

[0036] then, Figure 5 This is another embodiment of the present invention. Assume that the workpiece W has a three-dimensional concave-convex cleaned surface 11. The dust removal head 1 has a three-dimensional offset concave-convex workpiece corresponding surface 1a separated from the concave-convex cleaned surface 11 by a predetermined small dimension G.

[0037] Should Figure 5 It is also preferred that the dust removal head 1 is manufactured by a metal 3D printer.

[0038] Furthermore, in Figure 5 In FIG. 1 , the workpiece W is shown as a concave-convex shape having a convex portion 10 at the center of the bottom wall 12, but it may also be Figure 4 The central region C of the convex cleaned surface 11 described above is formed with a concave-convex shape of a recessed portion (not shown).

[0039] exist Figure 5 In the case where the air ejection holes are divided into a central area C, a middle surrounding area P, and an outer surrounding area S, the diameters of the air ejection holes are set to be smaller in sequence. Figures 1 to 3 As already explained, the diameter of the air ejection hole is set so that the inequality D1>D2>D3 holds true, and the air flowing in the gap of the small size G flows smoothly from the central area C to the radially outward direction, and even and sufficient dust removal can be effectively achieved for the complex three-dimensional cleaned surface 11. Figure 5 In the case of Figure 4 Similarly, air intake holes 8 are provided on the periphery to prevent surrounding contamination.

[0040] However, if Figure 1 As shown, the air flows from the larger space of the exhaust air collection box 24 through the smaller exhaust hole 22 into the larger space of the dust removal head 1 as shown by the arrow F4, thereby generating ultrasonic waves, which can further improve the dust removal efficiency ( Figure 4 , Figure 5 Same as above).

[0041] However, in Figure 1 to Figure 5 In each of the dust removal heads 1, a gap of a small dimension G is formed substantially uniformly between the workpiece corresponding surface 1a of the dust removal head 1 and the cleaned surface 11 of the workpiece W, but the small dimension G is preferably greater than 1 mm and 3 mm.

[0042] If G<1 mm, there is a possibility that the workpiece corresponding surface 1 a may come into contact with the workpiece W. On the other hand, if G>3 mm, the dust removal effect is reduced.

[0043] like Figure 1 As shown, the dust is delivered from the air supply pipe 2 as indicated by arrows F1, F2, and F3, and temporarily gathered in the small collecting box 24. Then, the dust is delivered to the upper space 1c of the dust removal head 1 from the exhaust hole 22 as indicated by arrow F4, and then sprayed from the air ejection holes H1, H2, and H3 relative to the cleaned surface 11 of the workpiece W, so that fine dust can be removed efficiently and evenly.

[0044] The air ejection pressure is preferably selected (set) within a range of 0.1 MPa to 0.3 MPa.

[0045] The 3D data sent by the customer records the three-dimensional shape of the cleaned surface 11 of the product to be dusted. Based on the 3D data, the three-dimensional offset shape of the workpiece corresponding surface 1a of the dust removal head 1 is calculated. According to the calculation result, the metal 3D printer is controlled to form the workpiece corresponding surface 1a. Through this method, the workpiece corresponding surface 1a of the dust removal head 1 accurately forms a three-dimensional offset shape / size relative to the three-dimensional shape of the cleaned surface 11 of the product to be dusted. In addition, the type of metal 3D printer can be selected from the laser sintering method (SLS), direct metal laser sintering method (DML), etc., taking into account the accuracy of the three-dimensional shape / size of the cleaned surface 11 of the product to be dusted.

[0046] As described above, the dust removal head 1 changes the diameter of the air ejection hole H for the three imaginary areas of the central area C, the middle surrounding area P, and the outer surrounding area S. However, as a specific example, the diameter of the first air ejection hole H1 in the central area C is 0.95mm to 1.05mm, the diameter of the second air ejection hole H2 in the middle surrounding area P is 0.75mm to 0.85mm, and the diameter of the third air ejection hole H3 in the outer surrounding area S is 0.55mm to 0.65mm. According to this structure, the farther from the air intake hole 8, the more the air flow rate becomes, so the air flow will not be retained between the workpiece corresponding surface 1a and the cleaned surface 11, and the dust can be smoothly sent to the air intake hole 8.

[0047] The present invention can be changed in design, and for example, there is also a case where it is preferable to form the workpiece corresponding surface 1a by a resin 3D printer.

[0048] As described in detail above, the present invention has a dust removal head 1, which sprays air relative to the cleaned surface 11 of a workpiece W having a concave, convex or concavo-convex three-dimensional shape. The dust removal head 1 has a convex, concave or convex-concave workpiece corresponding surface 1a in a three-dimensional offset shape that is separated from the three-dimensional shape of the cleaned surface 11 by a small size G. Therefore, with respect to the cleaned surface 11 (of the workpiece W) with the most difficult and complex three-dimensional shape in the past, air can be evenly blown to every corner, and dust removal can be effectively performed.

[0049] In addition, the dust removal head 1 is formed by a metal 3D printer, so even if the shape of the detailed portion of the workpiece W is a complex concave, convex or concave-convex shape, the corresponding surface 1a of the workpiece can also be formed with high precision (by a metal 3D printer).

[0050] In addition, based on the 3D data recording the above-mentioned three-dimensional shape of the above-mentioned cleaned surface 11, the three-dimensional offset shape of the above-mentioned workpiece corresponding surface 1a of the above-mentioned dust removal head 1 is calculated, and according to the calculation result, the metal 3D printer is controlled to form the above-mentioned workpiece corresponding surface 1a. Therefore, it is possible to accept the 3D data of the shape of the cleaned surface 11 required by the customer, and produce the dust removal head 1 corresponding to the requirements of individual customers with high precision within a shorter delivery period.

[0051] In addition, if the workpiece corresponding surface 1a of the dust removal head 1 is hypothetically divided into three areas, namely, a central area C, a middle surrounding area P, and an outer surrounding area S, then when the diameter of the first air ejection hole H1 penetrating the central area C is set to D1, the diameter of the second air ejection hole H2 penetrating the middle surrounding area P is set to D2, and the diameter of the third air ejection hole H3 penetrating the outer surrounding area S is set to D3, it is set so that the inequality D1>D2>D3 holds. Therefore, the compressed air is ejected sufficiently strongly relative to the central area C leaving the air intake hole 8 (preventing stagnation of air flow in the central area C), so that the dust can be removed, and the dust can be removed evenly and sufficiently from the entire surface of the cleaned surface 11 of the workpiece W.

[0052] Description of Reference Numerals

[0053] 1 Dust removal head

[0054] 1a Workpiece corresponding surface

[0055] 11 Cleaned surface

[0056] G Small size

[0057] W workpiece

[0058] C Central Area

[0059] P Middle enclosed area

[0060] S outer surrounding area

[0061] H1, H2, H3 air outlet

[0062] D1, D2, D3 (hole) diameter.

Claims

1. A cleaner, characterized in that: The cleaner comprises a dust removal head (1), the dust removal head (1) ejecting air relative to a cleaned surface (11) of a workpiece (W) having a concave, convex or concavo-convex three-dimensional cleaned surface (11), the dust removal head (1) comprising a convex, concave or concavo-convex workpiece corresponding surface (1a) of a three-dimensional offset shape separated from the three-dimensional shape of the cleaned surface (11) by a small size (G), and if the workpiece corresponding surface (1a) of the dust removal head (1) is virtually divided into For the three areas, namely the central area (C), the middle surrounding area (P), and the outer surrounding area (S), when the diameter of the first air ejection hole (H1) penetrating the above-mentioned central area (C) is set to D1, the diameter of the second air ejection hole (H2) penetrating the above-mentioned middle surrounding area (P) is set to D2, and the diameter of the third air ejection hole (H3) penetrating the above-mentioned outer surrounding area (S) is set to D3, it is set so that the inequality D1>D2>D3 holds.

2. The remover according to claim 1, characterized in that The dust removal head (1) is formed by a metal 3D printer.

3. The remover according to claim 2, characterized in that: Based on the 3D data recording the three-dimensional shape of the cleaned surface (11), the three-dimensional offset shape of the workpiece corresponding surface (1a) of the dust removal head (1) is calculated, and according to the calculation result, the metal 3D printer is controlled to form the workpiece corresponding surface (1a).

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