CN1724216A - Multifunctional electric abrasive finishing machine - Google Patents
Multifunctional electric abrasive finishing machine Download PDFInfo
- Publication number
- CN1724216A CN1724216A CN 200510041161 CN200510041161A CN1724216A CN 1724216 A CN1724216 A CN 1724216A CN 200510041161 CN200510041161 CN 200510041161 CN 200510041161 A CN200510041161 A CN 200510041161A CN 1724216 A CN1724216 A CN 1724216A
- Authority
- CN
- China
- Prior art keywords
- base plate
- transforming device
- movement transforming
- connects
- sander according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
- B24B23/03—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor the tool being driven in a combined movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/04—Portable grinding machines, e.g. hand-guided; Accessories therefor with oscillating grinding tools; Accessories therefor
Abstract
A multi functional abrasing machine able to abrase both circular and flat work-pieces is composed of casing, drive unit, eccentric unit coupled with drive unit, base plate coupled with eccentric unit, braking disc, and a movement switching unit to make the base plate to do both revolving and rotating, or only revolving, so abrasing both circular and flat work-pieces.
Description
Affiliated technical field
The present invention relates to the electronic grinding tool of a kind of multi-functional hand-held formula.
Background technology
Existing sander comprises round sand machine and dull and stereotyped sand etc., and wherein the polishing base plate of round sand machine can be done revolution and rotation with respect to housing, and polishing base plate is done irregular orbital motion, is used for the relatively large material of grinding; The polishing base plate of dull and stereotyped sand is only with respect to doing revolution motion with respect to housing, and therefore, polishing base plate is merely able to do the orbital motion of rule, is applicable to grinding material in a small amount, for example is used for retrofit or fine finishining.When if the user wishes to have correct grinding and two kinds of working abilities of fine grinding, just must buy circle sand and two kinds of instruments of plate sand.And U.S. Pat 6,132,300 discloses a kind of two function sanders in October, 2000, and this sander matches with jockey by changing polishing base plate, realizes circle sand and these two kinds of functions of dull and stereotyped sand.And this sander will be realized the conversion of circle sand and plate sand in use, just must change base plate, makes that the user bothers when work very much, inconvenience.Add that this jockey comprises a plurality of rigid members and a plurality of flexible cylinder, complex structure, and the moment that flexible cylinder is subjected to is big, loses efficacy easily, and the material requirements height to flexible cylinder during production causes cost to increase.
Summary of the invention
Main purpose of the present invention be to provide a kind of simple in structure, cheaply, the convenient difunctional sander that uses.
The technical solution adopted for the present invention to solve the technical problems is: a kind of multifunction sander, eccentric that comprises housing, is arranged at driving element in the described housing, connects with described driving element and the base plate that connects with described eccentric, multifunction sander also includes the movement transforming device that connects with described base plate, when described movement transforming device during in primary importance, described base plate has revolution and rotation with respect to described housing, to realize circle sand; When described movement transforming device during in the second place, described base plate has only revolution with respect to described housing, to realize plate sand.
The invention has the beneficial effects as follows, a movement transforming device is set in sander, make base plate do revolution or do revolution and rotation simultaneously,, realize but not pass through to change base plate to realize plate sand or circle sand function respectively with respect to housing by this movement transforming device.Therefore it need not be provided for connecting the special jockey and the annex base plate of different base plates, thereby makes overall structure simple, has reduced cost; It is quite convenient to make that also it carries out the function conversion.In addition, because it need not be provided with the additional bottom parts to realize difference in functionality, make it easy to carry and transport.
Description of drawings
The present invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the partial cutaway diagrammatic sketch of multifunction sander of the present invention.
Fig. 2 is the partial perspective view of multifunction sander of the present invention.
Fig. 3 is the partial cutaway diagrammatic sketch of multifunction sander of the present invention, and wherein movement transforming device is in primary importance and base plate connects.
Fig. 4 is that multifunction sander of the present invention is along A-A rectilinear profiles figure among Fig. 3.
Fig. 5 is that multifunction sander of the present invention is along B-B camber line profile among Fig. 4.
Fig. 6 is the partial cutaway diagrammatic sketch of multifunction sander of the present invention, and wherein movement transforming device is in the second place and base plate connects.
Fig. 7 is that multifunction sander of the present invention is along C-C rectilinear profiles figure among Fig. 6.
Fig. 8 is that multifunction sander of the present invention is along D-D camber line profile among Fig. 7.
Fig. 9 is the partial enlarged drawing among Fig. 8 of multifunction sander of the present invention.
Wherein 1. housings, 2. driving elements, 21. motors, 22. motor shafts, 3. brake discs, 31. connecting portions, 32. elastic portion, 33. braking parts, 4. eccentrics, 41. fans, 42. bearings, 43. bearing blocks, 431. fixture blocks, 432. circle hole grooves, 44. screws, 5. flexible members, 6. movement transforming devices, 61. mating parts, 62. operating portions 3. first connect face 64. second and connect face 641. protruding 642. arcwall faces, 65. draw-in grooves, 651. contact-making surfaces, 652. contact-making surfaces, 7. base plates, 71 boss, 711. contact-making surfaces, 712. contact-making surfaces, 72. screws, 73. grooves, 74. arcwall faces
The specific embodiment
Creation essence of the present invention is: by increasing movement transforming device, and it has revolution and rotation simultaneously or has only the revolution two states with respect to housing to make it realize base plate respectively in primary importance and the second place.When movement transforming device does not connect with brake disc, certain distance is just arranged between the two, at this moment base plate has revolution and rotation simultaneously with respect to housing, and sander then produces round sand function; When movement transforming device and brake disc connect, just there is not distance between the two, at this moment, brake disc produces certain brake force, and base plate has only revolution with respect to housing, and sander then produces plate sand function.So, realize the goal of the invention of this creation: need not change base plate, also can realize two kinds of working methods of sander.
Below just with specific embodiment, the technical scheme of this creation is described.
Shown in Fig. 1-2, a kind of multifunction sander, eccentric 4 that comprises housing 1, is arranged at driving element 2 in the housing 1, connects with described driving element 2 and the base plate 7 that connects with eccentric 4, it also includes the movement transforming device 6 that connects with base plate 7, wherein said driving element comprises motor 21 and motor shaft 22, and movement transforming device 6 is matched in two different positions and base plate 7.
Multifunction sander also includes the brake disc 3 that is arranged in the housing 1, and movement transforming device 6 is between base plate 7 and brake disc 3, and the distance between base plate 7 and the brake disc 3 is constant.Wherein brake disc 3 comprises the connecting portion that connects with housing 1 31 and the elastic portion 32 and the detent 33 that are attached thereto, and when described movement transforming device 6 during in the second place, described detent 33 connects with described movement transforming device 6.
Eccentric 4 comprises fan 41, bearing 42, bearing block 43.Wherein fan 41 is eccentrically set on motor shaft 22, and bearing 42 and fan 41 is fixing with motor shaft 22 by screw 44, and bearing block 43 and base plate 7 are matched by several equally distributed screws 72.Be provided with several accepting grooves 432 on the bearing block 43, flexible member 5 (being spring in the present embodiment) is contained in the accepting groove 432, and an end of spring 5 touches described bearing block 43, and the other end touches movement transforming device 6.Certainly, persons skilled in the art know that all flexible member can be stage clip or sheet spring or the like, and they can be arranged on different positions according to the kind difference.Also be provided with several fixture blocks 431 on the bearing block 43, can be used for the spacing of movement transforming device 6.
Be provided with an arc boss 71 on the base plate 7, boss 71 comprises contact-making surface 711 and 712 (as shown in Figure 4), and when primary importance, operating portion 62 is matched with contact-making surface 711, and when the second place, operating portion 62 is matched with contact-making surface 712.Also being provided with several grooves 73 on the base plate 7 is used for connecting face 64 and projection is set 641 matches with second.Base plate 7 also is provided with the arcwall face 74 (as shown in Figure 9) that links to each other with groove 73 simultaneously, and arcwall face 642 can slide relatively with arcwall face 74.
Shown in Fig. 3-5, rotating operation portion 62, deep-slotted chip breaker 65 is done circumference along fixture block 431 and is rotated, and makes movement transforming device 6 be in primary importance, at this moment operating portion 62 contacts with the contact-making surface 711 of boss 71, thereby has limited movement transforming device 6 along moving on the E direction; Fixture block 431 contacts with the contact-making surface 651 of draw-in groove 65 simultaneously, thereby has limited movement transforming device 6 along moving on the F direction; Second connects projection 641 that face 64 is provided with and base plate 7 set grooves 73 and matches during this position, makes between the detent 33 of win face of connecting 63 and brake disc 3 and produces h (about 0.3～0.8mm) gap.So, when 22 rotations of motor 21 drive motors axles, drive fan 41 and bearing 42 and bearing block 43 are done off-centre with respect to motor shaft 22 and are rotatablely moved, because base plate 7 has revolution and rotation simultaneously with respect to housing 1, bearing block 43 drives base plate 7 and does irregular orbital motion, sander is realized circle sand function, and movement transforming device 6 is with base plate 7 motions simultaneously.
Rotational motion conversion equipment 6 makes it turn to the second place from primary importance.At first upwards mention operating portion 62, compression spring 5, make operating portion 62 relative base plates 7 lift certain distance, and then rotating operation portion 62, draw-in groove 65 is done circumference along fixture block 431 and is rotated, and arcwall face 642 and arcwall face 74 relative slips make movement transforming device 6 rotate along the E direction, when fixture block 431 contacts with the contact-making surface 652 of draw-in groove 65, arrive the second place.
Shown in Fig. 6-8, movement transforming device 6 is in the second place, and at this moment operating portion 62 contacts with the contact-making surface 712 of boss 71, thereby has limited movement transforming device 6 along the motion on the E ' direction; Fixture block 431 contacts with the contact-making surface 652 of draw-in groove 65 simultaneously, thereby has limited movement transforming device 6 along the motion on the F ' direction; Second connects projection 641 that face 64 is provided with and base plate 7 set grooves 73 and is separated out during this position, fill it when primary importance, its first gap that connects the about 0.3～0.8mm that produces between the detent 33 of face 63 and brake disc 3, making wins closely cooperates between face of connecting 63 and the detent 33.So, base plate 7 is closely linked by movement transforming device 6 and brake disc 3.When 22 rotations of motor 21 drive motors axles, drive fan 41 and bearing 42 and bearing block 43 are done off-centre with respect to motor shaft 22 and are rotatablely moved, at this moment because brake disc 3 produces brake force, just base plate 7 has only revolution and does not have rotation with respect to housing 1, this just makes bearing block 43 drive the orbital motion that base plate 7 is done rule, and sander is then realized plate sand function.
More than be the specific embodiment, movement transforming device realizes that by the mode of rotating base plate has revolution and rotation simultaneously or has only the revolution two states with respect to housing, makes sander realize circle sand and two kinds of functions of plate sand.But persons skilled in the art can be according to creating conception of the present utility model, expect that easily movement transforming device has revolution and rotation simultaneously or has only the revolution two states with respect to housing with other motion modes realization base plates, for example with move mode, and little with structure that move mode was adopted and the above-mentioned structural change of adopting with rotating manner, so no longer illustrate.
Thus, a movement transforming device is set in sander,, makes base plate different motion states be arranged, just can realize circle sand and these two kinds of functions of plate sand with respect to housing as long as stir the operating portion of this movement transforming device; And need not change base plate, make the user in that to carry out function conversion quite convenient, simultaneously also easy to carry and transport like this.Add to need not to be provided with special jockey, so just make that overall structure is fairly simple, cost has also reduced.
Claims (10)
1. multifunction sander, eccentric (4) that comprises housing (1), is arranged at driving element (2) in the described housing (1), connects with described driving element (2) and the base plate (7) that connects with described eccentric (4), it is characterized in that: it also includes the movement transforming device (6) that connects with described base plate (7), when described movement transforming device (6) during in primary importance, described base plate (7) has revolution and rotation with respect to described housing (1); When described movement transforming device (6) during in the second place, described base plate (7) has only revolution with respect to described housing (1).
2. multifunction sander according to claim 1 is characterized in that: described housing (1) also is provided with brake disc (3), when described movement transforming device (6) at primary importance and described base plate (7) when connecting, it separates with described brake disc (3) simultaneously; When described movement transforming device (6) at the second place and described base plate (7) when connecting, it connects with described brake disc (3) simultaneously.
3. multifunction sander according to claim 2, it is characterized in that: described brake disc (3) comprises the connecting portion (31) that connects with described housing (1) and the elastic portion (32) that is attached thereto and detent (33), when described movement transforming device (6) during in the second place, described detent (33) is separated with described movement transforming device (6), when described movement transforming device (6) during in the second place, described detent (33) connects with described movement transforming device (6).
4. multifunction sander according to claim 1, it is characterized in that: described eccentric (4) comprises fan (41) and bearing block (43), described driving element (2) comprises motor shaft (22), and described fan (41) is eccentrically set on the described motor shaft (22); Described bearing block (43) connects with described base plate (7), and it also contains flexible member (5), and described flexible member (5) is resisted against between described bearing block (43) and the described movement transforming device (6).
5. multifunction sander according to claim 1 is characterized in that: described movement transforming device (6) comprises and is used for mating part (61) that connects with described brake disc (3) and base plate (7) and the operating portion (62) that is attached thereto.
6. multifunction sander according to claim 5 is characterized in that: the mating part (61) of described movement transforming device (6) comprises and is used for the projection (641) that connects with described base plate (7) that described base plate (7) correspondence is provided with groove (73); When described movement transforming device (6) when being in primary importance, described projection (641) connects with described groove (73).
7. multifunction sander according to claim 5 is characterized in that: the mating part (61) of described movement transforming device (6) also is provided with draw-in groove (65), and described bearing block (43) is provided with the fixture block (431) that is used for connecting with it; Described fixture block (431) can be respectively above-mentioned primary importance and the second place and described draw-in groove (65) connect realize spacing.
8. multifunction sander according to claim 5 is characterized in that: described base plate (7) is provided with and is used for the boss (71) that connects with described operating portion (62); Described boss (71) is provided with contact-making surface (711) and contact-making surface (712), and described operating portion (62) can connect in the above-mentioned primary importance and the second place respectively with described contact-making surface (711) and contact-making surface (712).
9. multifunction sander according to claim 1 is characterized in that: described movement transforming device (6) can rotate to realize its conversion between the primary importance and the second place relative to described base plate (7).
10. multifunction sander according to claim 4 is characterized in that: described flexible member (5) can be a spring.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510041161 CN1724216A (en) | 2005-07-21 | 2005-07-21 | Multifunctional electric abrasive finishing machine |
| EP06253605A EP1745887A1 (en) | 2005-07-21 | 2006-07-10 | Sanding tool |
| CN200610094747A CN100577359C (en) | 2005-07-21 | 2006-07-12 | Multifunctional sander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510041161 CN1724216A (en) | 2005-07-21 | 2005-07-21 | Multifunctional electric abrasive finishing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1724216A true CN1724216A (en) | 2006-01-25 |
Family
ID=35923916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510041161 Pending CN1724216A (en) | 2005-07-21 | 2005-07-21 | Multifunctional electric abrasive finishing machine |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1745887A1 (en) |
| CN (1) | CN1724216A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633143B (en) * | 2008-07-25 | 2012-10-24 | 苏州宝时得电动工具有限公司 | Hand-held tool and application method thereof |
| CN101186027B (en) * | 2007-12-21 | 2013-03-27 | 南京德朔实业有限公司 | Sanding tool |
| CN103100954A (en) * | 2011-11-09 | 2013-05-15 | 大亚科技股份有限公司 | Sanding machine and brake protection device for same |
| CN105983891A (en) * | 2015-02-16 | 2016-10-05 | 苏州宝时得电动工具有限公司 | Multifunctional sanding machine |
| CN106392835A (en) * | 2015-07-30 | 2017-02-15 | 南京德朔实业有限公司 | Sander |
| CN106493623A (en) * | 2015-09-04 | 2017-03-15 | 南京德朔实业有限公司 | Polishing class instrument and sander |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010012021B3 (en) * | 2010-03-19 | 2011-09-22 | Festool Gmbh | Hand machine tool with an eccentric gear and a lock |
| DE102010012025B4 (en) * | 2010-03-19 | 2022-02-03 | Festool Gmbh | Hand-held machine tool with an eccentric gear having a rotation angle guide |
| EP3501732B1 (en) * | 2018-03-21 | 2020-05-13 | Guido Valentini | Hand-held machine tool for sanding or polishing a workpiece adapted for realizing two different types of working movements |
| EP3736084B1 (en) * | 2019-05-07 | 2021-03-10 | Guido Valentini | Hand-held power tool for sanding or polishing a workpiece |
| CN114888665A (en) * | 2022-05-13 | 2022-08-12 | 深圳市威纳盛五金工艺品有限公司 | Adjustable metal handicraft spherical part grinding device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4118392B4 (en) | 1991-06-05 | 2010-03-18 | Robert Bosch Gmbh | Random Orbit Sander |
| GB9415011D0 (en) | 1994-07-26 | 1994-09-14 | Black & Decker Inc | Improved oscillating hand tool |
| DE10104993A1 (en) * | 2001-02-03 | 2002-08-22 | Bosch Gmbh Robert | Hand tool for grinding, polishing or the like |
| TWI222388B (en) | 2002-07-19 | 2004-10-21 | Esec Trading Sa | Device with an electrode for the formation of a ball at the end of a wire |
| JP2005022000A (en) * | 2003-06-30 | 2005-01-27 | Compact Tool Co Ltd | Dual-mode sander |
-
2005
- 2005-07-21 CN CN 200510041161 patent/CN1724216A/en active Pending
-
2006
- 2006-07-10 EP EP06253605A patent/EP1745887A1/en not_active Withdrawn
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186027B (en) * | 2007-12-21 | 2013-03-27 | 南京德朔实业有限公司 | Sanding tool |
| CN101633143B (en) * | 2008-07-25 | 2012-10-24 | 苏州宝时得电动工具有限公司 | Hand-held tool and application method thereof |
| CN103100954A (en) * | 2011-11-09 | 2013-05-15 | 大亚科技股份有限公司 | Sanding machine and brake protection device for same |
| CN103100954B (en) * | 2011-11-09 | 2015-10-28 | 大亚人造板集团有限公司 | Sander braking protection device and sander |
| CN105983891A (en) * | 2015-02-16 | 2016-10-05 | 苏州宝时得电动工具有限公司 | Multifunctional sanding machine |
| CN105983891B (en) * | 2015-02-16 | 2018-04-20 | 苏州宝时得电动工具有限公司 | Multifunction sander |
| CN106392835A (en) * | 2015-07-30 | 2017-02-15 | 南京德朔实业有限公司 | Sander |
| CN106392835B (en) * | 2015-07-30 | 2019-03-08 | 南京德朔实业有限公司 | Sander |
| CN106493623A (en) * | 2015-09-04 | 2017-03-15 | 南京德朔实业有限公司 | Polishing class instrument and sander |
| CN106493623B (en) * | 2015-09-04 | 2019-08-06 | 南京德朔实业有限公司 | Polishing class tool and sander |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1745887A1 (en) | 2007-01-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |