CN102528854A - Portable cutting machine - Google Patents
Portable cutting machine Download PDFInfo
- Publication number
- CN102528854A CN102528854A CN2011103994710A CN201110399471A CN102528854A CN 102528854 A CN102528854 A CN 102528854A CN 2011103994710 A CN2011103994710 A CN 2011103994710A CN 201110399471 A CN201110399471 A CN 201110399471A CN 102528854 A CN102528854 A CN 102528854A
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- sawtooth
- collecting box
- dust
- wall portion
- base plate
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Abstract
The invention provides a portable cutting machine (A), which comprises a bottom plate (2); an opening part (4) rotatably arranged to be capable of rotating around a rotating shaft (7) positioned above the bottom plate (2) and passing through the bottom plate (2); and a sawtooth (3) with one part thereof to be protruded out of the lower side of the bottom plate (2); a chip collecting box (11) covering the periphery of the sawtooth (3), positioned over the bottom plate (2) and used for collecting flying chips during the cutting process; and metal protection devices (16, 17) arranged along the inner circumferential wall (20) of the chip collecting box (11). The chip collecting box (11) is configured in such a way that the sawtooth (3) are perspective to the inner wall part (11b) of the chip collecting box (11).
Description
Technical field
The present invention relates to a kind of portable cutting machine.
Background technology
Generally speaking, the portable cutting machine of saw cut parts with rotation can also cut off metal member mades such as iron, aluminium except that cutting off the plank.Because smear metal is dispersed when these metal member mades of cutting, so be provided with the dust-collecting box that is used to collect the smear metal of dispersing on the top that rotates the base plate (base) that sawtooth is set freely.Because dust-collecting box is ground, the top configuration that covers sawtooth, thus bigger than sawtooth, and be close to the configuration of base plate ground.
When cutting part, when making parts be connected to the lower surface of base plate,, then can't confirm off-position if do not know sawtooth wherein.Therefore, dust-collecting box is made up of transparent synthetic resin, through aiming at cutting position (with reference to patent documentation 1) by bringing in before the dust-collecting box perspective sawtooth.In addition, on base plate, the position that on the extended line at sawtooth center and is not covered by dust-collecting box is opening and form visual window also, from directly over pass visual window and observe, make crown aim at the cutting that is arranged at parts and use mark.
Patent documentation 1: japanese kokai publication hei 10-202609 communique
During cutting, smear metal is dispersed and is collided on the inner surface of plastic dust-collecting box to the top of base plate.Therefore, during carrying out cutting operation repeatedly, the inner surface of dust-collecting box little by little produces damage.Particularly smear metal meeting direct collision is to the inner peripheral surface of dust-collecting box.If the inner peripheral surface of dust-collecting box is cut damage gradually and finally reached outer peripheral face, then form groove because of cutting to decrease in the end of perisporium.Simultaneously, because of the little scar that forms at inner surface produces fuzzyly, the surface produces gonorrhoea and makes the transparency impaired, and the observability of sawtooth is lost gradually.Therefore, the operator will confirm cutting position through visual window.But, because existing visual window is arranged at the position away from the sawtooth crown, so, if the cutting part that is cut parts then is difficult to see clearly sawtooth near sawtooth, exists aligned position and be prone to inclined to one side problem.
Summary of the invention
Embodiment of the present invention relates to a kind of portable cutting machine; It improves durability, in addition when can and guarantee long-time observability in the transparency of keeping dust-collecting box; When the dust-collecting box generation is fuzzy, can easily obtain the information of sawtooth apart from the nearer visual window of sawtooth through the position.
Description of drawings
Fig. 1 is the stereogram of the portable cutting machine of embodiment.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is the stereogram from the observed portable cutting machine of opposition side of Fig. 1.
Fig. 4 is the side view of portable cutting machine.
Fig. 5 is the vertical view of portable cutting machine.
Fig. 6 is the amplification view along the part of the front side of the 6-6 line of Fig. 4.
Fig. 7 is the cutaway view along the 7-7 line of Fig. 4.
Fig. 8 is the cutaway view along the 8-8 line of Fig. 5.
Fig. 9 is the cutaway view along the 9-9 line of Fig. 6.
Figure 10 is the amplification view of the state that bloats laterally of the madial wall of dust-collecting box.
Figure 11 is the upward view of the state when representing from downside observation base plate.
Label declaration
1... tool units for cutting devices
2... base plate
3... sawtooth
4... peristome
6... electro-motor
11... dust-collecting box
11b... madial wall portion
11c... lateral wall portion
16,17... protective device
The specific embodiment
Below, with reference to accompanying drawing embodiment of the present invention is described.In addition, embodiment is the example of invention, does not limit invention, and all characteristics and combination thereof that form of implementation is recorded and narrated are not the essence that is defined as invention.
In Fig. 1～Fig. 9, Reference numeral A representes portable cutting machine.This cutting machine A is constructed as follows: cut off main body 1 and rotate and be arranged at base plate 2 freely, be penetratingly formed the peristome 4 that the sawtooth (circular saw) 3 that supplies to be arranged at tool units for cutting devices 1 passes through in a side of base plate 2, the part of sawtooth 3 can be outstanding to the below of base plate 2.
Secondly, because dust-collecting box 11 is transparent, so can have an X-rayed the front side leading section of sawtooth 3 through the peristome 4 of base plate 2 from the 11b of madial wall portion.In addition, peristome 4 is whole shown in figure 11.
The smear metal that forms during cutting is dispersed to the top from the peristome 4 of base plate 2, the inner surface of bump dust-collecting box 11, and what directly clashed into this moment is the tangential direction of the crown of sawtooth 3.Therefore, metal system protective device 16,17 is installed on the internal perisporium 20 of dust-collecting box 11 and the position that near the smear metal it directly strikes.
Particularly, the protective device 17 of the 11b of madial wall portion side is arranged at and does not hinder the position of having an X-rayed the crown of sawtooth 3 from the 11b of the madial wall portion side of dust-collecting box 11.
Secondly, on base plate 2, in the position that is not covered by dust-collecting box 11 and the nearer position of the crown on the extended line of sawtooth 3 and position far away opening and form the first visual window 18 and the second visual window 19 respectively apart from sawtooth 3.The first visual window 18 forms isosceles triangle, and the second visual window 19 forms rhombus, and the extended line of sawtooth 3 is formed on the line P (with reference to accompanying drawing 5) at the line at the base angle that connects the first visual window 18 and the diagonal angle, front and back that is connected the second visual window 19.
When being cut parts by the cutting of above-mentioned cutting machine, be preferably, be attached to the lower surface of base plate 2 on the surface that is cut parts, pull operation trigger 8 makes electro-motor 6 work, and on one side according to handle 5 on one side along the surperficial movable base plate 2 that is cut parts.
Where the front end that when cutting is cut parts, must confirm sawtooth 3 is in.Corresponding therewith; Because the 11b of madial wall portion of dust-collecting box 11 is transparent; The protective device 16,17 of madial wall side is arranged at and does not hinder the position of having an X-rayed the crown of sawtooth 3 from the 11b of the madial wall portion side of dust-collecting box 11; So like Fig. 1 and shown in Figure 2, the operator can have an X-rayed the crown of sawtooth 3 from the madial wall of dust-collecting box 11.Therefore, crown be can hold exactly and position component relation and cutting exactly are cut.
In addition, are positions that smear metal is difficult to directly strike owing on the 11b of madial wall portion of dust-collecting box 11, can have an X-rayed the position of sawtooth 3, so can keep the transparency of dust-collecting box 11 for a long time and guarantee observability for a long time.
In addition; The smear metal of dispersing during cutting directly clash into dust-collecting box 11 internal perisporium 20 and near; But metal protective device 16,17 is installed herein, protects well because the part that damage is cut in smear metal especially easily is protected device 16,17, thereby improved the durability of dust-collecting box 11.
In addition; Shown in figure 10; Also can make the crown that can have an X-rayed sawtooth 3 the 11b of madial wall portion a part on the direction of the rotating shaft 7 of sawtooth 3 when electro-motor 6 sides bloat, the peristome 4 that supplies sawtooth 3 to pass through is formed to electro-motor 6 sides expansion ground on the direction of the rotating shaft 7 of sawtooth 3.That is, dust-collecting box 11 has: the 11b of madial wall portion of a side that is positioned at the bearing of trend of rotating shaft 7 with respect to sawtooth 3; With the 11c of lateral wall portion that is positioned at the opposite side opposite with respect to sawtooth 3 with an above-mentioned side; Near the crown of sawtooth 3, can make the distance on the bearing of trend of rotating shaft 7 form greatlyyer than the distance on the bearing of trend of rotating shaft 7 from sawtooth 3 to the 11c of lateral wall portion from sawtooth 3 to the 11b of madial wall portion; Near the crown of sawtooth 3, can make from sawtooth 3 to peristome the distance of the ora terminalis of the side on 4 the bearing of trend that is positioned at rotating shaft 7 form greatlyyer than the distance of the ora terminalis of the opposite side on 4 the bearing of trend that is positioned at rotating shaft 7 from sawtooth 3 to peristome.Thus, visibility region increases, so can discern the position of sawtooth 3 in the larger context.
And, in this case,,, can keep observability more well so the 11b of madial wall portion is difficult to produce gonorrhoea because smear metal is difficult to touch the madial wall of the part that dust-collecting box 11 bloats laterally.
In addition, near the part of the inner wall part 11b of the crown that can have an X-rayed sawtooth 3 or the peristome 4 that the confession sawtooth 3 of base plate 2 passes through, can use hard glass 22 (with reference to Fig. 1, Fig. 2, Fig. 6, Figure 10) without synthetic resin.Thus, be difficult to produce scar because hard glass is hard and surperficial, so can keep transparency for a long time.Particularly, the time of keeping transparency can further be prolonged through hard glass being installed in the part that bloats.Hard glass can be bonded in the inboard of the 11b of madial wall portion, perhaps also can be bonded on this peristome at the 11b of madial wall portion formation peristome and with hard glass.
Likewise because protective device the 16, the 17th, metal, thus can not have an X-rayed the crown of sawtooth 3, its installation region be not limited to internal perisporium 20 and near.Only otherwise can hamper the crown of perspective sawtooth 3, just can extend to other parts and be provided with.
Secondly; Because of the smear metal that cutting produces is not only dispersed to the part by protective device 16,17 coverings; Also disperse to other parts in addition, therefore, if carry out cutting operation repeatedly; The 11b of madial wall portion that then has an X-rayed the front end of sawtooth 3 also can produce gonorrhoea gradually, finally causes seeing clearly the front end of sawtooth 3.Even when becoming such state, also can be through the first visual window 18 being set near the front end of sawtooth 3 and the information that the second visual window 19 is confirmed the cut direction of sawtooth 3 being set on its extended line.Under normal conditions, the operator, and is positioned over the front portion of base plate 2 and is cut on the parts as incisory mark at the surface mark line of ink marker that is cut parts.At this moment, since sawtooth 3 slightly away from being cut parts, so confirm the line of ink marker through the second visual window 19.Then, after the rotary speed of sawtooth 3 reaches maximum, make sawtooth 3 near being cut parts, on one side beginning confirms that through the first visual window 18 cutting position cuts on one side.
In addition, when not when being cut parts subscript refilling line, directly observing the front ends of sawtooth 3 and aim at exactly through the first visual window 18 and the second visual window 19 and wait to cut off position cutting and get final product.So, even dust-collecting box 11 produces gonorrhoeas, the information of cut direction that also can be through the first visual window 18 or 19 pairs of sawtooth 3 of the second visual window is confirmed.
Be preferably, the first visual window 18 be disposed at the position near the front end of sawtooth 3 as far as possible.Though good more closely more, if prolong formation continuously, then can have influence on the intensity of this part from peristome 4, so be preferably, the first visual window 18 is formed at apart from the position more than the leading section 1mm of peristome 4.If distance is below the 1mm, then can produce the problem on the intensity.In addition, if distance is more than the 10mm, then be difficult to see clearly from the peristome 4 of base plate 2 front end of sawtooth 3 through the first visual window.
In addition, visual window can have more than three.
In addition,, be preferably, make the shape of dust-collecting box 11 thin as much as possible in order easily to confirm the position of sawtooth 3.Particularly as shown in Figure 3, be preferably, the lateral wall portion 11c front side shape of dust-collecting box 11 is made as the wedge-type shape that narrows to the inside.Thus because the shape that dust-collecting box 11 is the place aheads to narrow down, so when the operator from the top, particularly when the first visual window 18 is observed, be easy to see the front end of sawtooth 3.
According to above-mentioned embodiment, portable cutting machine A can possess: base plate 2; With the rotating shaft 7 that is positioned at base plate 2 tops is that the center rotatably is provided with, runs through the peristome 4 and a part of sawtooth 3 that protrudes in ground, the below configuration of base plate 2 that are formed at base plate 2; Cover the dust-collecting box 11 that sawtooth 3 is arranged at the lucite system of smear metal base plate 2 tops, that disperse when being used to collect cutting peripherally; And the metal protective device of installing along internal perisporium 20 sides of dust-collecting box 11 16,17.Dust-collecting box 11 can constitute with the mode that can have an X-rayed the crown of sawtooth 3 from the 11b of madial wall portion of dust-collecting box 11.
According to this structure; When cutting is cut parts; When where the front end of confirming sawtooth is in; Because dust-collecting box madial wall portion is transparent, and the protective device of madial wall side is arranged at the position that can not hinder from the crown of the madial wall portion perspective sawtooth of dust-collecting box, so the operator can have an X-rayed the crown of sawtooth from the madial wall of dust-collecting box.Therefore, can hold crown effectively and be cut position relation and the cutting exactly between the parts.
In addition, be the position that smear metal is difficult to directly strike owing in the madial wall portion of dust-collecting box, can have an X-rayed the position of sawtooth, so can keep the transparency of dust-collecting box for a long time and guarantee observability for a long time.
In addition, the smear metal of dispersing during cutting directly clash into dust-collecting box internal perisporium and near, but metal system protective device is installed herein be protected device and protect well because the part of damage is cut in smear metal especially easily, thereby improved the durability of dust-collecting box.
In said structure, portable cutting machine A also possesses electro-motor 6, and this electro-motor 6 is positioned at a side of sawtooth 3 on the bearing of trend of rotating shaft 7, and drives sawtooth 3.Dust-collecting box 11 can have: the 11b of madial wall portion that on the bearing of trend of above-mentioned rotating shaft 7, is positioned at an above-mentioned side with respect to sawtooth 3; With the 11c of lateral wall portion that is positioned at the opposite side opposite with respect to sawtooth 3 with an above-mentioned side.Near the crown of sawtooth 3, can make the distance on the bearing of trend of above-mentioned rotating shaft 7 form greatlyyer than the distance on the bearing of trend of above-mentioned rotating shaft 7 from sawtooth 3 to the 11c of lateral wall portion from sawtooth 3 to the 11b of madial wall portion.Near the crown of sawtooth 3, can make from sawtooth 3 to peristome the distance of the ora terminalis of an above-mentioned side of 4 form greatlyyer than the distance of the ora terminalis of 4 above-mentioned opposite side from sawtooth 3 to peristome.
According to this structure; Since in the part of the madial wall portion that makes the crown that can have an X-rayed sawtooth when electro-motor 6 sides bloat; Form the peristome that supplies sawtooth to pass through to electro-motor 6 sides expansion ground, can discern the position of sawtooth so visibility region increases in the larger context.
And, in this case,,, can keep observability more well so madial wall portion is difficult to produce gonorrhoea because smear metal is difficult to touch the madial wall of the dust-collecting box of the part that bloats to electro-motor 6 sides.
In said structure, hard glass 22 can be installed on the 11b of madial wall portion.
According to this structure; The part of the madial wall portion of the crown that can have an X-rayed sawtooth, or the peristome of above-mentioned base plate near; Hard glass is installed without synthetic resin, is difficult to produce scar because hard glass is hard and surperficial, so can keep transparency for a long time.Particularly, through hard glass being installed, the time of keeping transparency can further be prolonged in the part that bloats.Hard glass can be bonded in the inboard of madial wall portion, or also can form peristome and hard glass is bonded in this peristome in madial wall portion.
According to said structure, can be on base plate 2, in the position that is not covered by dust-collecting box 11 and on the extended line of sawtooth 3, opening and form visual window 18,19 respectively on position nearer and position far away apart from the crown of sawtooth 3.
According to this structure, suppose to cut off repeatedly operation, on one side even the madial wall portion of the front end of perspective sawtooth produces gonorrhoea, Yi Bian also can cut exactly through the front position of the first visual window and the second visual window affirmation sawtooth.
In addition, in said structure, the 11c of lateral wall portion of dust-collecting box 11 can have the wedge-type shape that narrow the front side.
According to this structure because the front side of the lateral wall portion of dust-collecting box has formed the wedge-type shape that narrows, so dust-collecting box forms the shape that the place ahead narrows down, when the operator when the top is observed, particularly observe the front position of sawtooth more easily through the first visual window.
Claims (5)
1. portable cutting machine, it possesses:
Base plate (2);
With the rotating shaft (7) that is positioned at said base plate (2) top be that the center rotatably is provided with, runs through the sawtooth (3) that ground, below that the peristome (4) that is formed at said base plate (2) and a part protrude in said base plate (2) disposes;
The dust-collecting box (11) of the lucite system of the smear metal of cover top that said sawtooth (3) is arranged at said base plate (2) peripherally, dispersing when being used to collect cutting; With
The metal protective device of installing along internal perisporium (20) side of said dust-collecting box (11) (16,17);
Said dust-collecting box (11) is constituting from the mode that the crown of said sawtooth (3) is had an X-rayed by the madial wall portion (11b) of said dust-collecting box (11).
2. portable cutting machine according to claim 1, wherein,
Also possess a side that on the bearing of trend of said rotating shaft (7), is positioned at said sawtooth (3), the motor (6) that drives said sawtooth (3);
Said dust-collecting box (11) has: the said madial wall portion (11b) that is positioned at the said side on the bearing of trend of said rotating shaft (7) with respect to said sawtooth (3); With the lateral wall portion (11c) that is positioned at the opposite side opposite with respect to said sawtooth (3) with a said side;
Near the crown of said sawtooth (3), make the distance on the bearing of trend of said rotating shaft (7) form greatlyyer than the distance on the bearing of trend of said rotating shaft (7) from said sawtooth (3) to said lateral wall portion (11c) from said sawtooth (3) to said madial wall portion (11b);
Near the crown of said sawtooth (3), make the distance of the ora terminalis of the said side on the bearing of trend that is positioned at said rotating shaft (7) from said sawtooth (3) to said peristome (4) form greatlyyer than the distance of the ora terminalis of the said opposite side on the bearing of trend that is positioned at said rotating shaft (7) from said sawtooth (3) to said peristome (4).
3. portable cutting machine according to claim 1 and 2, wherein,
Hard glass (22) is installed in said madial wall portion (11b).
4. portable cutting machine according to claim 1, wherein,
On said base plate (2), in the position that is not covered by said dust-collecting box (11) and on the extended line of said sawtooth (3), the opening and form visual window (18,19) respectively in the near position of the crown of the said sawtooth of distance (3) and position far away.
5. portable cutting machine according to claim 4, wherein,
The lateral wall portion (11c) of said dust-collecting box (11) has the wedge-type shape that narrow the front side.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-270320 | 2010-12-03 | ||
| JP2010270320A JP5500055B2 (en) | 2010-12-03 | 2010-12-03 | Portable cutting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102528854A true CN102528854A (en) | 2012-07-04 |
| CN102528854B CN102528854B (en) | 2016-02-24 |
Family
ID=46337507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110399471.0A Expired - Fee Related CN102528854B (en) | 2010-12-03 | 2011-12-05 | Portable cutting machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5500055B2 (en) |
| CN (1) | CN102528854B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537754A (en) * | 2012-07-13 | 2014-01-29 | 苏州宝时得电动工具有限公司 | Portable cutting machine |
| CN103537752A (en) * | 2012-07-13 | 2014-01-29 | 苏州宝时得电动工具有限公司 | Portable cutting machine |
| CN105984002A (en) * | 2014-09-12 | 2016-10-05 | 松下知识产权经营株式会社 | Electric circular saw |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103506690B (en) * | 2012-06-29 | 2017-08-29 | 博世电动工具（中国）有限公司 | Annular saw with chip barrier element |
| WO2018123366A1 (en) * | 2016-12-28 | 2018-07-05 | 工機ホールディングス株式会社 | Portable cutter |
| JP7468154B2 (en) | 2020-05-29 | 2024-04-16 | 工機ホールディングス株式会社 | Work Machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103537754A (en) * | 2012-07-13 | 2014-01-29 | 苏州宝时得电动工具有限公司 | Portable cutting machine |
| CN103537752A (en) * | 2012-07-13 | 2014-01-29 | 苏州宝时得电动工具有限公司 | Portable cutting machine |
| CN103537752B (en) * | 2012-07-13 | 2016-10-05 | 苏州宝时得电动工具有限公司 | Portable cutter |
| CN103537754B (en) * | 2012-07-13 | 2016-10-05 | 苏州宝时得电动工具有限公司 | Portable cutter |
| US10189174B2 (en) | 2012-07-13 | 2019-01-29 | Positec Power Tools (Suzhou) Co., Ltd. | Portable cutting tool |
| US11192270B2 (en) | 2012-07-13 | 2021-12-07 | Positec Power Tools (Suzhou) Co., Ltd. | Portable cutting tool |
| CN105984002A (en) * | 2014-09-12 | 2016-10-05 | 松下知识产权经营株式会社 | Electric circular saw |
| CN105984002B (en) * | 2014-09-12 | 2019-02-15 | 松下知识产权经营株式会社 | Electric circular saw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102528854B (en) | 2016-02-24 |
| JP5500055B2 (en) | 2014-05-21 |
| JP2012115969A (en) | 2012-06-21 |
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