CN102133727A - Abrasive belt type grinding accessory - Google Patents
Abrasive belt type grinding accessory Download PDFInfo
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- CN102133727A CN102133727A CN 201010614632 CN201010614632A CN102133727A CN 102133727 A CN102133727 A CN 102133727A CN 201010614632 CN201010614632 CN 201010614632 CN 201010614632 A CN201010614632 A CN 201010614632A CN 102133727 A CN102133727 A CN 102133727A
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- working head
- gripper shoe
- connecting portion
- abrasive band
- support
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Abstract
The invention discloses an abrasive belt type grinding tool. The grinding tool comprises a main unit and a working head, wherein the main unit outputs a rotary reciprocating torque; the working head is detachably arranged on the main unit and comprises a connection part and at least two supporting ends; a closed annular abrasive belt is supported and guided on the supporting ends; and the annular abrasive belt and the working head are together driven by the main unit to do rotary reciprocating motion. By using the abrasive belt type grinding tool, a workpiece with a curved surface, particular the surface of a tubular section, can be ground.
Description
To be the applicant be " abrasive belt type grinding tool " in the denomination of invention of application on August 25th, 2008 to the application, and application number is the dividing an application of Chinese invention patent application of 200810214814.X.
Technical field
The present invention relates to a kind of milling tool, specifically is that the abrasive belt on a kind of main frame that is installed in the reciprocal moment of torsion of exportable rotation is ground annex.
Background technology
Belt sander is the grinding used always with one of instrument, mainly is to grind at the surface of workpiece (as timber etc.), removes burr and makes it smooth, and then can normally use.But, surface of the work is ground the belt sander or the sander that are adopted have bigger frosted plane usually, and on this frosted plane, paste larger-size sand paper, thereby cause the volume of this belt sander or sander bigger, only can be fit to the surface grinding of large-area tabular section bar, and less for area, and for the section bar with curved surface, as common tubulose section bar, such belt sander or sander then can't use.
, address that need, the abrasive belt type grinding tool that industry has designed miniaturization solves the grinding problem of curved surface for this reason.The European patent notification number is to disclose in the specification of EP1647362 a kind of abrasive belt type grinding tool is arranged.This abrasive belt type grinding tool comprises main frame and the working head that is connected on this main frame.Wherein, be provided with output shaft in this main frame and be used to provide rotation torque, this working head is roughly V-shaped, comprises the connecting portion that is connected with main frame and from two support ends that connecting portion extends, is used for supporting and the guiding abrasive band.This connecting portion is fixedlyed connected with the housing of main frame, and the output shaft of main frame stretches in this connecting portion, and connects to drive driving rolls is arranged, and two support ends of V-type working head are respectively arranged with return idler.Like this, these three rollers constitute a triangle, and these three rollers are provided with the abrasive band.By the rotation torque that the output shaft of main frame provides, driving rolls produces rotation, and drives return idler by the abrasive band and produce rotation thereupon.The abrasive band just can be rotated under the support of these three rollers and guiding, and the abrasive band of rotation, especially the abrasive band part between two support ends promptly can the grinding work-piece surfaces.
The United States Patent (USP) notification number is to disclose in the specification of US6736711 another kind of abrasive belt type grinding tool is arranged.This abrasive belt type grinding tool comprises main frame and is connected driving wheel on the output shaft of main frame, and this driving wheel is subjected to host driven and does rotation around the axle center of driving wheel and move back and forth.Dismountablely on this driving wheel be connected with nonocclusive abrasive band, two points that are connected with the abrasive band become the support end that supports the abrasive band.Simultaneously, then be set on the curved surface of the surface of the work that needs grinding in the abrasive band part between two support ends.Like this, when driving wheel was done rotation and moved back and forth, the abrasive band can be ground curve surface of workpiece under driving wheel and curve surface of workpiece together support guiding and reciprocal effect.
But, for first kind of abrasive belt type grinding tool, because need being activated the driving of roller, the abrasive band could produce rotation, therefore, driving rolls that is provided with on working head and return idler cause the complex structure of this working head, and further make the volume of whole working head bigger, (as the corner etc.) uses inconvenience in the narrow and small place of some workpiece environment.And for second kind of abrasive belt type grinding tool, owing to adopted nonocclusive abrasive band, in real work, the abrasive band of playing abrasive action only is confined to the mid portion in whole abrasive band, thereby the utilization rate in abrasive band is reduced.And the same because mid portion in abrasive band is always as grind section, and after the centre part was polished, whole abrasive band also can't continue to use, thereby causes the service life in this abrasive band limited.
For this reason, technique scheme is real is further improved.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure and abrasive belt that volume is little to grind annex, can realize the surface of the work with curved surface is ground, improve abrasive band utilization rate and service life simultaneously.
For achieving the above object, the technical solution adopted in the present invention is as follows: a kind of abrasive belt is ground annex, and it is removably mounted on the main frame of the reciprocal moment of torsion of exportable rotation.This grinding annex comprises working head and the closed circular abrasive band that is installed on the described working head, and described working head comprises connecting portion and at least two support ends.Wherein, described ring-type abrasive band is supported and is directed on the support end of described working head, and described ring-type abrasive band and working head together are subjected to host driven and do the rotation reciprocating motion.
Preferably, described working head extends from its connecting portion and perpendicular to the plane at this connecting portion place and is provided with fixed arm and lever arm, and described two support ends lay respectively at the free end of described fixed arm and lever arm and perpendicular to fixed arm and lever arm.
Preferably, described working head extends from its connecting portion and perpendicular to the plane at this connecting portion place and is provided with two lever arms, and described two support ends lay respectively at the free end of described two lever arms and perpendicular to these two lever arms.
Preferably, described lever arm comprises connecting plate and portable plate, wherein, connecting plate and connecting portion are one-body molded, in described two support ends one of them is positioned at the free end of portable plate, connecting plate and portable plate connect as one by connecting pin, and under the effect of torsion spring, portable plate can overcome the active force of torsion spring and rotate around connecting pin with respect to connecting plate.
Preferably, described working head extends from a side of its connecting portion and perpendicular to this plane, connecting portion place side plate, is provided with the gripper shoe perpendicular to this side plate on described side plate, and described two support ends lay respectively on this gripper shoe.
Preferably, described gripper shoe also comprises the pars intermedia that connects described first support end and second support end, and described first support end, second support end and pars intermedia are integral structure.
Preferably, also be provided with strainer on the described working head, this strainer comprises casting die, one end of this casting die is columniform depression bar, the other end is then pivotable to be connected on the described side plate, and on the pars intermedia of described gripper shoe, corresponding described depression bar is formed with groove.
Preferably, described working head comprises the gripper shoe in support guide ring-type abrasive band, and this gripper shoe and connecting portion integrate, wherein, this gripper shoe is inverted U type, and this connecting portion is in the mid portion of the U of this gripper shoe type, and described two support ends lay respectively at the two ends of the U type of gripper shoe.
Preferably, described working head comprises the gripper shoe in support guide ring-type abrasive band, and described connecting portion and gripper shoe integrate, described gripper shoe is triangular in shape, described connecting portion is in the center of described gripper shoe, this working head also comprises the 3rd support end, and described first support end, second support end and the 3rd support end all are positioned on the described gripper shoe.
Preferably, also be provided with tensioning apparatus on the described working head, this tensioning apparatus comprises casting die, and this casting die comprises two depression bars, and corresponding described depression bar is formed with groove on described gripper shoe.
Compared with prior art, the invention has the beneficial effects as follows: after the ring-type abrasive band of this abrasive belt grinding annex is installed on the working head, the part of ring-type abrasive band between support end is grind section, promptly along with the difference of the position of the installation in case type ring-type abrasive band, its arbitrary part all can be between support end and become grind section, has so just improved the utilization rate in ring-type abrasive band effectively and has prolonged service life in ring-type abrasive band.
Description of drawings
Fig. 1 is the partial perspective view of abrasive belt type grinding tool in the preferred embodiments of the present invention;
Fig. 2 is the schematic perspective view of the working head of this abrasive belt type grinding tool;
Fig. 3 a, 3b are respectively the user mode reference diagram of this abrasive belt type grinding tool;
Fig. 4 is the schematic perspective view of working head among second embodiment of this abrasive belt type grinding tool;
Fig. 5 is the user mode reference diagram of second embodiment of this abrasive belt type grinding tool;
Fig. 6 is the schematic perspective view of working head among the 3rd embodiment of this abrasive belt type grinding tool;
Fig. 7 is the schematic perspective view of working head among the 4th embodiment of this abrasive belt type grinding tool;
Fig. 8 is the schematic perspective view of working head among the 5th embodiment of this abrasive belt type grinding tool.
Wherein, the related elements reference numeral is listed as follows:
1-main frame 2-working head 3-ring-type abrasive band
4-workpiece 21-connecting portion 22-connecting hole
The 23-fixed arm 231-first support end 24-lever arm
The 241-second support end 242-connecting plate 243-portable plate
244-connecting pin 245-torsion spring 25-cushion
251-arcwall face 5-working head 51-connecting portion
54-lever arm 6-working head 61-connecting portion
62-connecting hole 63-side plate 64-gripper shoe
The 641-first support end 642-second support end 643-pars intermedia
644-groove 65-cushion 66-casting die
661-depression bar 7-working head 71-connecting portion
The 74-gripper shoe 741-first support end 742-second support end
744-groove 745-holddown groove 77-casting die
771-depression bar 8-working head 81-connecting portion
The 84-gripper shoe 841-first support end 842-second support end
843-the 3rd support end 844-groove 85-cushion
88-casting die 881-depression bar
The specific embodiment
Below in conjunction with drawings and the specific embodiments the present invention is described in further detail.
See also Fig. 1, disclose a kind of abrasive belt type grinding tool in the preferred embodiments of the present invention, be applicable to that the workpiece 4 (see Fig. 3, relate generally to the tubulose section bar) with curved surface is carried out surface finish to be handled.This abrasive belt type grinding tool comprises main frame 1 and the abrasive belt that is removably mounted on the main frame 1 is ground annex, and this abrasive belt is ground annex and comprised working head 2 and be installed in closed circular abrasive band 3 on the working head 2.The main frame 1 here is a kind of power tool that can export the reciprocal moment of torsion of rotation, this power tool is in the industry cycle used widely, Multi Role Aircraft as companies such as FEIN, BOSCH product, its structure and principle are to drive the eccentric wheel rotation that is connected on the motor by the motor that is positioned at main frame 1, the shift fork that is connected with this eccentric wheel is subjected to the drive of eccentric eccentric rotation and moves back and forth around the pivot generation rotation perpendicular to shift fork, perhaps is referred to as to rotate reciprocating vibration.Through the moment of torsion transmission of said elements, the output shaft of last main frame 1 can produce rotation and move back and forth.After on the output shaft of this main frame 1 working head 2 being installed removably, this working head 2 will produce same rotation and move back and forth, and the track of its motion is shown in the double-head arrow among the figure.Simultaneously, the ring-type abrasive band 3 that working head 2 drives sealing similarly is rotated reciprocating motion, thereby can the curved surface of workpiece 4 be ground.
Need to prove, different with traditional belt sander is, the ring-type abrasive band 3 of grinding annex in the present embodiment is not to be that the circulation rotation is used, but be fixed with respect to other element of working head 2, can remove driving like this from, thereby the structure of working head 2 is simplified ring-type abrasive band 3.And along with the difference of the installation site of ring-type abrasive band 3 on working head 2, the arbitrary position on the ring-type abrasive band 3 all can become means of abrasion, thereby has improved the utilization rate in ring-type abrasive band 3 and effectively prolonged service life in ring-type abrasive band 3.
See also Fig. 2, the working head 2 that grinds annex in the present embodiment be the support rack type structure, comprises connecting portion 21 and two arm ends that extend from connecting portion 21, and this connecting portion 21 and two arm ends are the V-shape layout.The connecting portion 21 here is roughly rounded, and its center is provided with connecting hole 22, is used for being connected with the output shaft of main frame 1.One of them the arm end that extends from connecting portion 21 is a fixed arm 23, and this fixed arm 23 is vertical with respect to connecting portion 21 planes of living in, and its free end is formed with bending.Relatively, another arm end that extends from connecting portion 21 is a lever arm 24, and its free end also is formed with bending.In these two bending places, respectively along extending separately perpendicular to fixed arm 23 and lever arm 24 and forming first support end 231 and second support end 241 that is used to install ring-type abrasive band 3.On this first support end 231 and second support end 241, also be connected with cushion 25, and, one section arcwall face 251 be provided with on this cushion 25 at least.Like this, ring-type abrasive band 3 just can be centered around on the arcwall face 251 of cushion 25 and carry out support guide by first support end 231 and second support end 241.Need to prove, for the cushion 25 and first support end 231 be connected with second support end 241 firmly, the length H of this cushion 25 equates with the length h of first support end 231 and second support end 241.
See also Fig. 3 a, this lever arm 24 is for fixed arm 23, and himself can be movable, and purpose is the more convenient ring-type abrasive band 3 of installing quickly or change, promptly this lever arm 24 constitutes a kind of strainer in fact, can carry out tensioning or relexation to ring-type abrasive band 3.This lever arm 24 comprises connecting plate 242, portable plate 243, and this connecting plate 242 and portable plate 243 all are perpendicular to plane, connecting portion 21 place.Wherein, this connecting plate 242 is one-body molded with connecting portion 21, and described second support end 241 then is positioned at the free end of this portable plate 243, and, pivoting by connecting pin 244 between this connecting plate 242 and the portable plate 243 is connected, thereby makes the portable plate 243 can be with respect to connecting plate 242 rotations.Also be provided with torsion spring 245 on this connecting pin 244, under the nature, this torsion spring 245 always makes portable plate 243 be on the maximum deflection angle with respect to connecting plate 242, and promptly the distance between first support end 231 and second support end 241 is maximum.Adopt in such a way, the operator can reduce the distance between first support end 231 and second support end 241 effectively by the rotation to portable plate 243, helps ring-type abrasive band 3 is set on first support end 231 and second support end 241.After 3 installings of ring-type abrasive band are good, the operator unclamps portable plate 243, then portable plate 243 turns round around connecting pin 244 under the effect of torsion spring 245, driving second support end 241 moves, thereby increased the distance between first support end 231 and second support end 241, and then made ring-type abrasive band 3 obtain tensioning.
See also Fig. 3 b, the grinding annex of present embodiment is when coming into operation, and ring-type abrasive band 3 is set on the working head 2, and ring-type abrasive band 3 is with after the curved surface of workpiece 4 contacts, can be stressed and produce crooked.Be a kind of critical condition at this moment, does not also grind the curved surface of workpiece 4 in ring-type abrasive band 3.When the operator continues workpiece is applied active force, ring-type abrasive band 3 will begin the curved surface of workpiece 4 is ground, and this moment, ring-type abrasive band 3 degree of crook increased the weight of, and can make the portable plate 243 of lever arm 24 produce small rotation, shown in dotted line and solid line among Fig. 3 a.But this small rotation is not because by the pressure of the curved surfaces of workpiece 4, ring-type abrasive band 3 itself produces lax state, so it can not come off from first support end 231 and second support end 241.At this moment, rotation that working head 2 is carried out moves back and forth, and the curved surface by the 3 pairs of workpiece 4 in ring-type abrasive band grinds.
See also Fig. 4, for abrasive belt of the present invention is ground disclosed second embodiment of annex.This embodiment is with the difference of first embodiment: working head 2 structures among its working head 5 and first embodiment are different, two arm ends that working head 5 extends from its connecting portion 51, all adopt the lever arm 54 as the lever arm in the working head 2 24, and do not adopt one of them arm end to be fixed arm structure with respect to connecting portion 51 one, two lever arm 54 common formation strainers.The benefit of doing like this is to avoid the fixed arm 23 in the working head 2 to produce the risk possibility of fracture too greatly because of rotating reciprocating active force effectively.
See also Fig. 5, grind annex in the present embodiment when reality is used, except can using as the grinding annex among first embodiment, can also be at the less tubular-type workpiece 4 of some diameters, employing is ground with respect to an other side (inboard) of the grind section (outside) in ring-type abrasive band 3.This also is one of superior place that adopts in ring-type abrasive band 3, can effectively utilize the inside and outside both sides in ring-type abrasive band 3.Under this occupation mode, the operator is the direction pulling of handheld abrasive tool towards main frame 1, grind the curved surface of workpiece 4 inboard that utilizes ring-type abrasive band 3, and in embodiment one, the operator be handheld abrasive tool dorsad the direction of main frame 1 promote, grind the curved surface of workpiece 4 in the outside that utilizes ring-type abrasive band 3.No matter which kind of lapping mode the operator adopts, and the principle of doing in working head and ring-type abrasive band 3 is the same.
Please continue to consult Fig. 6, be the 3rd embodiment disclosed in this invention.The working head 6 that grinds annex among this embodiment provides a kind of grinding direction perpendicular with respect to the grinding direction of aforementioned working head, can realize horizontal tube surfaces is ground.This working head 6 comprises connecting portion 61 and extends from a side of connecting portion 61 and perpendicular to plane, connecting portion 61 place side plate 63, wherein the center of connecting portion 61 is provided with connecting hole 62, be used to connect main frame 1, and on side plate 63 perpendicular to side plate 63, promptly be parallel to connecting portion 61 and be provided with gripper shoe 64.The width D of this gripper shoe 64 is roughly suitable with the width d in the ring-type abrasive band 3 of being adopted, thereby can be used for support guide ring-type abrasive band 3.Need to prove, this gripper shoe 64 is an integral structure, comprise first support end 641, second support end 642 and the pars intermedia 643 that connects first, second support end 641,642, and, the outside with respect to first, second support end 641,642, also be connected with cushion 65, thereby ring-type abrasive band 3 can be centered around on the cushion 65 in first, second support end 641,642 outsides.
In order to make ring-type abrasive band 3 be tensioning state, also be provided with strainer on the working head 6 of present embodiment grinding annex, it comprises casting die 66, one end of this casting die 66 is columniform depression bar 661, the other end is then pivotable to be connected on the side plate 63, on the pars intermedia 643 of gripper shoe 64, corresponding depression bar 661 is formed with groove 644.When ring-type abrasive band 3 is coated on the gripper shoe 64, by depression bar 661, ring-type abrasive band 3 can be pressed to the groove 644 on the pars intermedia 643, until fully with 3 tensionings of ring-type abrasive band.And when needs were changed ring-type abrasive band 3, the operator only needed the depression bar 661 of casting die 66 is pulled out from groove 644, and relaxed state can be replied in ring-type abrasive band 3, can take off from gripper shoe 64.
Please continue to consult Fig. 7, be the 4th embodiment provided by the present invention.The working head 7 that this embodiment grinds annex has adopted monolithic construction, and the gripper shoe 74 that is about to support guide ring-type abrasive band 3 integrates with the connecting portion 71 that is connected main frame 1.This gripper shoe 74 roughly is inverted U type, and this connecting portion 71 is positioned at the mid portion of the U type of this gripper shoe 74, and is positioned at the two ends of the U type of gripper shoe 74, is formed with first support end 741 and second support end 742 respectively.Equally, in order to make the ring-type abrasive band 3 that is installed on this working head 7 be tensioning state, also be provided with the casting die among the embodiment three 77 on this working head 7, different is, the casting die 77 here comprises two depression bars 771, and the free end of these two depression bars 771 can be inserted in the holddown groove 745 on the gripper shoe 74 to prevent the loosening suddenly of depression bar 771.Corresponding depression bar 771 is formed with groove 744 on gripper shoe 74.When ring-type abrasive band 3 is coated on the gripper shoe 74, by depression bar 771, groove 744 can be pressed in ring-type abrasive band 3, until fully with 3 tensionings of ring-type abrasive band.And when needs were changed ring-type abrasive band 3, the operator only needed the depression bar 771 of casting die 77 is pulled out from groove 744, and relaxed state can be replied in ring-type abrasive band 3, can take off from gripper shoe 74.
Please continue to consult Fig. 8, be the 5th embodiment provided by the present invention.This embodiment grinds the working head 8 same monolithic constructions that adopt of annex, promptly connecting the connecting portion 81 of main frame 1 and the gripper shoe 84 in support guide ring-type abrasive band 3 integrates, be with the difference of embodiment four, the gripper shoe 84 here is roughly triangular in shape, and connecting portion 81 then is positioned at this leg-of-mutton center.This gripper shoe 84 comprises first support end 841 and second support end 842, and the 3rd support end 843, and, on this first support end 841 and second support end 842, also be connected with cushion 85.This cushion 85 is roughly curved, can be for ring-type abrasive band 3 around thereon.Equally, be tensioning state in order to make the ring-type abrasive band 3 that is installed on this working head 8, also be provided with the casting die among the embodiment three 88 on this working head 8, different is that the casting die 88 here comprises two depression bars 881.Corresponding depression bar 881 is formed with groove 844 on gripper shoe 84.This groove 844 is respectively formed between first support end 841 and the 3rd support end 843 and between second support end 842 and the 3rd support end 843.When ring-type abrasive band 3 is coated on the gripper shoe 84, by depression bar 881, groove 844 can be pressed in ring-type abrasive band 3, until fully with 3 tensionings of ring-type abrasive band.And when needs were changed ring-type abrasive band 3, the operator only needed the depression bar 881 of casting die 88 is pulled out from groove 844, and relaxed state can be replied in ring-type abrasive band 3, can take off from gripper shoe 84.
Among five kinds of embodiment provided by the present invention, grind the working head that annex adopted and include at least the first support end and second support end, be used for ring-type abrasive band support guide, simultaneously, in order to guarantee the tensioning in ring-type abrasive band, also be provided with strainer on the working head, be beneficial to change in order to tensioning or lax ring-type abrasive band.Strainer wherein is not limited to disclosed structure among the present invention, and other strainer that can realize tensioning function equally is also within protection scope of the present invention.
Claims (10)
1. an abrasive belt is ground annex, it is removably mounted on the main frame of the reciprocal moment of torsion of exportable rotation, this grinding annex comprises working head and the closed circular abrasive band that is installed on the described working head, described working head comprises connecting portion and at least two support ends, it is characterized in that: described ring-type abrasive band is supported and is directed on the support end of described working head, and described ring-type abrasive band and working head together are subjected to host driven and do the rotation reciprocating motion.
2. abrasive belt as claimed in claim 1 is ground annex, it is characterized in that: described working head extends from its connecting portion and perpendicular to the plane at this connecting portion place and is provided with fixed arm and lever arm, and described two support ends lay respectively at the free end of described fixed arm and lever arm and perpendicular to fixed arm and lever arm.
3. abrasive belt as claimed in claim 1 is ground annex, it is characterized in that: described working head extends from its connecting portion and perpendicular to the plane at this connecting portion place and is provided with two lever arms, and described two support ends lay respectively at the free end of described two lever arms and perpendicular to these two lever arms.
4. grind annex as claim 2 or 3 described abrasive belts, it is characterized in that: described lever arm comprises connecting plate and portable plate, wherein, connecting plate and connecting portion are one-body molded, in described two support ends one of them is positioned at the free end of portable plate, connecting plate and portable plate connect as one by connecting pin, and under the effect of torsion spring, portable plate can overcome the active force of torsion spring and rotate around connecting pin with respect to connecting plate.
5. abrasive belt as claimed in claim 1 is ground annex, it is characterized in that: described working head extends from a side of its connecting portion and perpendicular to this plane, connecting portion place side plate, be provided with the gripper shoe perpendicular to this side plate on described side plate, described two support ends lay respectively on this gripper shoe.
6. abrasive belt as claimed in claim 5 is ground annex, it is characterized in that: described gripper shoe also comprises the pars intermedia that connects described first support end and second support end, and described first support end, second support end and pars intermedia are integral structure.
7. abrasive belt as claimed in claim 6 is ground annex, it is characterized in that: also be provided with strainer on the described working head, this strainer comprises casting die, one end of this casting die is columniform depression bar, the other end is then pivotable to be connected on the described side plate, on the pars intermedia of described gripper shoe, corresponding described depression bar is formed with groove.
8. abrasive belt as claimed in claim 1 is ground annex, it is characterized in that: described working head comprises the gripper shoe in support guide ring-type abrasive band, and this gripper shoe and connecting portion integrate, wherein, this gripper shoe is inverted U type, this connecting portion is in the mid portion of the U of this gripper shoe type, and described two support ends lay respectively at the two ends of the U type of gripper shoe.
9. abrasive belt as claimed in claim 1 is ground annex, it is characterized in that: described working head comprises the gripper shoe in support guide ring-type abrasive band, and described connecting portion and gripper shoe integrate, described gripper shoe is triangular in shape, described connecting portion is in the center of described gripper shoe, this working head also comprises the 3rd support end, and described first support end, second support end and the 3rd support end all are positioned on the described gripper shoe.
10. abrasive belt is ground annex as claimed in claim 8 or 9, and it is characterized in that: also be provided with tensioning apparatus on the described working head, this tensioning apparatus comprises casting die, and this casting die comprises two depression bars, and corresponding described depression bar is formed with groove on described gripper shoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010614632 CN102133727B (en) | 2008-08-25 | 2008-08-25 | Abrasive belt type grinding accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010614632 CN102133727B (en) | 2008-08-25 | 2008-08-25 | Abrasive belt type grinding accessory |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810214814XA Division CN101659026B (en) | 2008-08-25 | 2008-08-25 | Abrasive belt type grinding tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102133727A true CN102133727A (en) | 2011-07-27 |
| CN102133727B CN102133727B (en) | 2013-03-06 |
Family
ID=44293722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010614632 Expired - Fee Related CN102133727B (en) | 2008-08-25 | 2008-08-25 | Abrasive belt type grinding accessory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102133727B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081960A (en) * | 2014-04-30 | 2015-11-25 | 苏州宝时得电动工具有限公司 | Grinding accessory, swing power tool and application thereof |
| CN114161266A (en) * | 2021-11-11 | 2022-03-11 | 佛山中国发明成果转化研究院 | Special-shaped part grinding and polishing machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AUPQ777500A0 (en) * | 2000-05-26 | 2000-06-22 | Price, John Lewis | Grinding apparatus |
| DE10035219A1 (en) * | 2000-07-20 | 2002-01-31 | Bosch Gmbh Robert | Hand-held grinding tool |
| DE202004016143U1 (en) * | 2004-10-13 | 2006-03-16 | C. & E. Fein Gmbh | belt sander |
| CN2871099Y (en) * | 2006-02-28 | 2007-02-21 | 莱州行星机械有限公司 | Arch grinder by rotary mechanism |
-
2008
- 2008-08-25 CN CN 201010614632 patent/CN102133727B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081960A (en) * | 2014-04-30 | 2015-11-25 | 苏州宝时得电动工具有限公司 | Grinding accessory, swing power tool and application thereof |
| CN114161266A (en) * | 2021-11-11 | 2022-03-11 | 佛山中国发明成果转化研究院 | Special-shaped part grinding and polishing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102133727B (en) | 2013-03-06 |
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