CN100519067C - Gripper for holding a piece to be machined in a grinding machine - Google Patents
Gripper for holding a piece to be machined in a grinding machine Download PDFInfo
- Publication number
- CN100519067C CN100519067C CNB2005800226473A CN200580022647A CN100519067C CN 100519067 C CN100519067 C CN 100519067C CN B2005800226473 A CNB2005800226473 A CN B2005800226473A CN 200580022647 A CN200580022647 A CN 200580022647A CN 100519067 C CN100519067 C CN 100519067C
- Authority
- CN
- China
- Prior art keywords
- branches
- maintenance clamp
- central area
- pivoting device
- maintenance
- 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.)
- Expired - Fee Related
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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
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
- B24B3/247—Supports for drills
-
- 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
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/066—Work supports, e.g. adjustable steadies adapted for supporting work in the form of tools, e.g. drills
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
- H05K3/0047—Drilling of holes
Abstract
The body (1) is cut into a piece with the central area (2) that will be rigidly fixed to a support, the two parallel branches (3, 4) and with the pivoting device (5) with the four elastic arms (12, 13, 14, 15) joining the branches to the central area (2). The jaws (17) are fixed to the branches (3, 4) by the pins (29), the plates (30) and by the screws (31). When the operating element (26) is in a position of rest, the end part of a drill bit (25) is gripped between the points of the jaws (17). The gripper is opened by the displacement of the operating element (26) that, while rising on the ramps (27, 28), moves closer to the rear ends of the branches and deforms the pivoting device whereby separating the jaws (17) from one another.
Description
Technical field
[01] the present invention relates to part to be processed is remained on maintenance clamp in the grinding machine.
Background technology
[02] for some part that must grinding, for example hard metal or satisfy the boring bar tool that the high-speed steel of high requirement is made, the big drill bit of length diameter ratio particularly, grinding machine should dispose one and keep clamp, with the cylinder-shaped end that guarantees part, particularly drill bit at least a portion firm supporting of operating period.
[03] present known maintenance clamp comprises one: a central area, this central area are fixed on the support; With two parallel branch, described branch links to each other with a plurality of narrow arm of described central area, and elastically deformable.End in described branch is provided with a beak mouth body and a press that is fit to treat the support part type, and this mechanism is on its other end, to cause the locking of described beak mouth body.In dormant state, described clamp is in its open position, and for the clip part, closing of described clamp need be controlled a propeller that is directed, and described propeller is between the end of the described clamp branch relative with the end of the described beak mouth body of carrying.When described beak mouth body was closed, the branch of described part, described clamp and described propeller were formed statically indeterminate system.The result, if closed action be not absolute equivalent (isom é trique) (for example, if described propeller is not equally to be bearing in the branch of described clamp, particularly owing to the wearing and tearing or the reason in gap), this action causes moving of described part, and this part constitutes the weak spot of described system.
Summary of the invention
[04] the objective of the invention is to keep clamp in order to improve one, this maintenance clamp is not wanted described part is realized on external force ground by passive strain clip.Described beak mouth body is installed, make described clamp in the power of determining that applies on the closing position on described part, do not need extraneous effect.
[05] in fact, the present invention relates to be used for the maintenance clamp of the part to be processed on the grinding machine, be used in particular for the drill that terminal part has a big length diameter ratio, described maintenance clamp comprises a tong bodies, this body is made by a part, and have two parallel branch, described branch has a rearward end and a leading section, described maintenance clamp has a central area, this central area is fixed on described clamp on one support, and flexible elastic arm cuts in described body and forms, so that guarantee connection between described central area and the described branch by forming a pivoting device, thereby, a control member that acts on described branch rearward end causes separating of leading section or close by the mode of the described branch that pivots in described pivoting device, described maintenance clamp is characterised in that described pivoting device is arranged such that: be at described control member under the situation of a position of rest, the leading section of described branch is close mutually, and described clamp is in the closed position; When described control member when an operating position moves, described control member makes described pivoting device distortion, and the leading section of described branch is separated.
[06] preferably, the leading section of described branch is equipped with and is fit to the described locking beak mouth body of waiting to keep accessory size, and described locking beak mouth body is fixed by described fixed part, so that stop any moving when grinding.
[07] opening of described clamp can by along the rear end translation of described branch move a control member mode obtain, a transverse movement that causes that described branch pivots is changed lengthwise movement in two ramps of scattering in described clamp branch.
[08] preferred enforcement in the modification, the groove that at least one tip of described locking beak mouth body has one one-tenth V-type, thereby constitute two contact points with described part, this allows to guarantee by a static mode of determining the maintenance of described part to be ground, and does not change the danger of clamping situation.
[09] preferably, described pivoting device is implemented to form like this: cut in the blank of described tong bodies, to form four elastic arms, described elastic arm is connected to described central area described each branch in couples, described pivoting device is determined two parallel, virtual rotating shafts, thereby has guaranteed a high-precision operation.
[10] structure according to the present invention allow to produce can fixed diameter very little, especially diameter is less than the clamp of the terminal barrel portion of the drill bit of 0.05mm.Such drill bit is used for for example printed circuit board (PCB), to make a hole with micron order accuracy.
Description of drawings
[11] by with reference to accompanying drawing, by as an example mode only one embodiment of the present invention is described in this, wherein:
[12] Fig. 1 is a top plan view, and the integral type body of described clamp is shown;
[13] Fig. 2,3 and 4 is respectively plan view, side view and the end view of locking beak mouth body;
[14] Fig. 5 is the plane of a magnification ratio, and it illustrates the tip portion of the locking beak mouth body that is positioned at Fig. 2 circle c; And
[15] Fig. 6 is that the figure that bows is looked on a plane, and it illustrates the complete clamp with control member.
The specific embodiment
[16] but the body 1 of the described clamp shown in Fig. 1 is to have the part that the steel of metallurgical property is made so that its different piece that obtains after the cutting satisfies functional requirement.These different pieces comprise branch 3 and 4 and one pivoting device 5 that a central area 2, two is parallel and shape is symmetrical, described pivoting device 5 is formed with the pivotal axis a of two virtual (fictif) and b (it is corresponding to the respective quadrature crunode of the axis of the axis of hereinafter described arm 12 and 15 and arm 13 and 14), from wherein as seen, described pivotal axis a and b be positioned at the perpendicular same straight line of the whole longitudinal axis of described clamp on, and in the both sides of this integral body longitudinal axis.
[17] described central area 2 is for rectangle and have a central, threaded hole 6 and four adjustment holes 7, and described medium pore 6 is used for described body 1 is fixed on a fixed support, and described adjustment hole 7 is designed to be used for receiving the positioning pin column on the described support.The described relatively branch 3 of described central area and 4 is defined by a narrow otch 8 (d é coupe), and except towards the mid portion on the limit of described branch leading section, described otch is around four limits of described central area.
[18] form the pedestal of described pivoting device 5 at the partition (interruption) of two terminal part 8a that expansion arranged slightly and the described otch 8 between the 8b.The bellend 11a that the pedestal of described pivoting device is symmetrically type otch 9 and 10 and one seam 11 on the other hand defines, described symmetrical molding otch is the contour shape of curvilinear triangle shape or flower, and described seam 11 extends and the leading section of described branch 3 and 4 is separated mutually along the longitudinal axis of described body 1.Therefore, described pivoting device 5 is made up of four short and narrow arms 12,13,14 and 15, and described short and narrow arm is fan-shaped layout, and links to each other with 4 with described branch 3 by its part before the central area 2 of described body 1.In order to implement described otch, can use controlled instrument, for example the galvano-cautery instrument.In the example shown, described otch is implemented like this: described two arms 12 and 13 are basically parallel to the longitudinal axis orientation of described clamp and described two arms 14 and 15 are orientated by the mode that is basically perpendicular to described longitudinal axis.
[19] rear end of described branches 3 and 4 is separated in a slight trapezoidal gap 16, and described rear end also has a ramp 27 and 28 (rampe) separately, and this ramp design is used for cooperating (Fig. 6) with a control member of the opening and closing of described clamp, as described later.Rear end near described branch 3 and 4 also is provided with the block 32,33 that the described clamp of restriction is opened stroke.
[20] one of described locking beak mouth body 17 is by Fig. 2 to Fig. 5 illustrate.In plan view (Fig. 2), described locking beak mouth body has the shape of the rectangle of overall elongated, and the surface and an oblique side of cutting sth. askew are arranged in its front portion.Two eyelets 18 and 19 are set to link to each other with inner surface by the outer surface of corresponding cross sections with described beak mouth body (bec), described eyelet is used for the joint of pin, and described pin is seamlessly sat the corresponding aperture intraocular of putting the branch that takes the clamp that is used to admit described beak mouth body by force in the mode of elasticity locking.Described beak mouth body 17 also has the rectangle chimb 20 (Fig. 3 and Fig. 4) of inner projection on one day in the prior art, wherein arranges a groove 22, and this groove 22 preferably is embodied as the V-type groove.Whole described part high accuracy are implemented, and described beak mouth body 17 is made by strong (fortement) steel alloy, for example the MnCrW of quenching and tempering.
[21] for the details of maintenance is shown, Fig. 5 illustrates the vast scale enlarged drawing of the chimb 20 on Fig. 2.The two sides 23 and 24 of described groove 22 are planes, and, in described example, be orthogonal for example.The central authorities that described side 23 is led in the beveled surface of described beak mouth body 17 and the end of the slant edge between the last plane.The cylindrical journal of drill bit (foret) 25 is bonded in the described groove 22 in the mode on the side 23 and 24 that is supported on described two beak mouth bodies 17 tips along four buses.
[22] implement modification according to one, only have a V-type groove 22 for one 20 in the tip of locking beak mouth body 17, the tip 20 of another beak mouth body can not comprise groove.Implement modification according to another, one or two described V-type groove can be substituted by the groove of semilune or any other appropriate shape.
[23] Fig. 6 illustrates the described grip module that tool has drill bit 25.Two branches 3 and 4 on described central area 2 both sides are positioned at its closed position, and described control member 26 staggers with respect to the rear end in described branch and ramp 27,28.This member 26 is rings that slide on the lateral surface of described branch 3 and 4, and it is mobile under the effect of a machinery, and described machinery there is no need to be described.
[24] as mentioned above, described gap 16 be slightly trapezoidal (
).Equally, the described radial clearance of separating the central area 2 of described branch 3 and 4 also is slight trapezoidal.When such layout allows described gap to absorb described clamp to open branch 3 and 4 near motion.
[25] the beak mouth body 17 of described clamp be fixed on described branch 3 and 4 front portions, fully by be bonded on described opening 18 and 19 and the corresponding aperture of described branch 3 and 4 in the position determined of pin 29 in.As shown in Figure 6, guarantee described fixing by screw 31 fixing plates 30.Diameter according to described drill bit terminal part, realize the location of beak mouth body on described clamp by pin 29 and screw 31, so that in closing position, the described control member 26 that staggers by the position, described pivoting device 5 is at an elastic recoil (flexion é lastique) state, thereby guarantee the locking of described drill bit terminal part, and then described grinding is carried out reliably.In case grinding finishes, described member 26 moves on the described gradient 27 and 28, and in order to opening described clamp, thereby described drill bit breaks away from.
[26] in the example that accompanying drawing is described and illustrated, assemble described assembly, so that cause opening of described clamp towards the motion of bottom by described control member 26.Certainly also can arrange described assembly, make to cause opening of described clamp up by moving of described control member 26.
[27] easily, the different beak mouth body groups that are suitable for different drill bits to be ground can be installed on same clamp.But, also can preferably preset, each beak mouth body group for good and all is installed on the different clamps.
[28] to described system, the maintenance of described part is determined there is not external action still, does not have the change of clip condition.The wearing and tearing of processing parts or any other disturb the clip that does not influence the grinding part and fix.Can obtain easily much smaller than micron (10
-6) precision.
Claims (9)
1. the maintenance clamp that is used for the part to be processed on the grinding machine, described maintenance clamp comprises a tong bodies (1), this body is made by a part, and have two parallel branches (3,4), in these two branches each all has a rearward end and a leading section, described maintenance clamp has a central area (2), this central area is fixed on described maintenance clamp on one support, but and elastic bending arm (12,13,14,15) in described body, cut and form, so that guarantee connection between described central area and described two branches by forming a pivoting device (5), thereby, the mode of a control member (26) that acts on the rearward end of described two branches by described two branches that in described pivoting device, pivot cause described leading section separately or close
Described maintenance clamp is characterised in that described pivoting device (5) is arranged such that: be under the situation of a position of rest at described control member (26), the leading section of described two branches (3,4) is close mutually, and described maintenance clamp is in the closed position; And when described control member (26) when an operating position moves, described control member makes described pivoting device distortion, and the leading section of described two branches is separated.
2. maintenance clamp according to claim 1, it is characterized in that, the leading section of described two branches is equipped with two locking beak mouth bodies (17) of the size that is fit to part to be processed (25), described two locking beak mouth bodies are fixing by fixed part (29,30,31), so that stop any moving when grinding.
3. maintenance clamp according to claim 1, it is characterized in that, but described pivoting device is formed by four described elastic bending arms, but four described elastic bending arms are distributed in a side of described central area, be fan-shaped orientation symmetrically, be used for leading to each that is in described two branches (3,4) of putting at the two-phase ortho position, thereby, when described pivoting device (5) is out of shape, but four described elastic bending arms limit two virtual pivotal axis (a, b), in corresponding described two branches of each pivotal axis one.
4. maintenance clamp according to claim 3, it is characterized in that, the periphery of described central area (2) and the gap (11) between described two branch's leading sections are the openings by controlled tool processes moulding in described body (1), and but four described elastic bending arms are by being formed by controlled tool processes forming open in described body, and described body (1) is made by the metal with suitable elastic deformation properties.
5. maintenance clamp according to claim 4 is characterized in that, described central area (2) is a rectangular shape part of described body (1), and it has: a medium pore is used for carrying out described body fixing on described support by screw; With four accurate adjustment holes, it is used for carrying out the accurate location of described body on described support by pin, described pivoting device (5) but four described elastic bending arms overlap joints to described central area, in its central authorities towards the limit of the leading section of described two branches.
6. maintenance clamp according to claim 2, it is characterized in that, described two locking beak mouth bodies (17) are positioned in described two branches (3,4) by pin (29), are fixed by screw (31), and are come firm by the plate (30) in two branches that are screwed in described maintenance clamp.
7. according to claim 2 or 6 described maintenance clamps, it is characterized in that, at least one tip (20) of described two locking beak mouth bodies (17) has a V-type groove (22), it is adapted to the size of a cylinder-shaped end of described part to be processed (25), so that this cylindrical part is supported along two buses of its profile in a side at least.
8. maintenance clamp according to claim 7 is characterized in that, the tip (20) of described two locking beak mouth bodies (17) has V-type groove (22), and it is adapted to the size of a cylinder-shaped end of described part to be processed.
9. according to each described maintenance clamp in the claim 1 to 6, it is characterized in that described maintenance clamp is used for the drill that processing terminal partly has a big length diameter ratio.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH9212004 | 2004-06-01 | ||
| CH921/04 | 2004-06-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1980770A CN1980770A (en) | 2007-06-13 |
| CN100519067C true CN100519067C (en) | 2009-07-29 |
Family
ID=34967405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800226473A Expired - Fee Related CN100519067C (en) | 2004-06-01 | 2005-05-24 | Gripper for holding a piece to be machined in a grinding machine |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1750901A1 (en) |
| JP (1) | JP2008500908A (en) |
| KR (1) | KR20070024662A (en) |
| CN (1) | CN100519067C (en) |
| TW (1) | TW200607602A (en) |
| WO (1) | WO2005118219A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100964322B1 (en) * | 2008-04-29 | 2010-06-17 | 김은옥 | Anti-Vibration Unit for Car Brake Disk Grinding |
| TW201127547A (en) * | 2010-02-10 | 2011-08-16 | Innovation Prec Inc | Fixture |
| ES2423918T3 (en) * | 2011-07-01 | 2013-09-25 | Smw-Autoblok Spannsysteme Gmbh | Window |
| DE102011052976B4 (en) | 2011-08-25 | 2014-03-13 | Feinmechanik Michael Deckel Gmbh & Co. Kg | Gripping head for feeding a grinding machine |
| CN103182678B (en) * | 2011-12-28 | 2015-03-25 | 钜威自动化股份有限公司 | Holding device for micro drill point grinder |
| JP5345712B2 (en) * | 2012-01-20 | 2013-11-20 | 鉅威自動化股▲分▼有限公司 | Tightening device for micro drill polishing machine |
| KR200468757Y1 (en) * | 2012-02-14 | 2013-09-06 | 그리 윈 오토메이션 컴퍼니 리미티드 | Tightening apparatus of microdrill polishing machine |
| TWI681835B (en) * | 2018-04-09 | 2020-01-11 | 瑞士商瑞士路勞曼迪有限公司 | Method and grinding machine for fabricating a workpiece comprising a helical groove and a program for controlling the grinding machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0078472A2 (en) * | 1981-10-30 | 1983-05-11 | E.T.M. Engineers' Tool Manufacturing Company Ltd. | Machine for grinding points of drills |
| EP0299915A1 (en) * | 1987-07-15 | 1989-01-18 | SAFAG AG Maschinen- und Pumpenfabrik | Method and apparatus for machining workpieces |
| US4860497A (en) * | 1986-10-08 | 1989-08-29 | Toyo Machinery Co., Ltd. | Drill grinder having drill holder including chucks for gripping shank and body of the drill |
| CN2216881Y (en) * | 1995-01-14 | 1996-01-10 | 陈朝欣 | Frame for supporting tools |
| CN1115707A (en) * | 1994-01-28 | 1996-01-31 | 鼓风及采矿设备有限公司 | A holder device |
| US5649853A (en) * | 1996-07-23 | 1997-07-22 | Kuo; Chun-Lin | Drill bit grinding machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5822799A (en) * | 1981-08-03 | 1983-02-10 | 三菱電機株式会社 | Control system for mass characteristic of artificial satellite |
| JP2002301640A (en) * | 2001-03-30 | 2002-10-15 | Toyo Engineering Kk | Drill grinding oscillating loader |
-
2005
- 2005-04-29 TW TW094113811A patent/TW200607602A/en unknown
- 2005-05-24 WO PCT/CH2005/000290 patent/WO2005118219A1/en active Application Filing
- 2005-05-24 EP EP05740399A patent/EP1750901A1/en not_active Withdrawn
- 2005-05-24 CN CNB2005800226473A patent/CN100519067C/en not_active Expired - Fee Related
- 2005-05-24 JP JP2007513646A patent/JP2008500908A/en active Pending
- 2005-05-24 KR KR1020067027533A patent/KR20070024662A/en not_active Application Discontinuation
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0078472A2 (en) * | 1981-10-30 | 1983-05-11 | E.T.M. Engineers' Tool Manufacturing Company Ltd. | Machine for grinding points of drills |
| US4860497A (en) * | 1986-10-08 | 1989-08-29 | Toyo Machinery Co., Ltd. | Drill grinder having drill holder including chucks for gripping shank and body of the drill |
| EP0299915A1 (en) * | 1987-07-15 | 1989-01-18 | SAFAG AG Maschinen- und Pumpenfabrik | Method and apparatus for machining workpieces |
| CN1115707A (en) * | 1994-01-28 | 1996-01-31 | 鼓风及采矿设备有限公司 | A holder device |
| CN2216881Y (en) * | 1995-01-14 | 1996-01-10 | 陈朝欣 | Frame for supporting tools |
| US5649853A (en) * | 1996-07-23 | 1997-07-22 | Kuo; Chun-Lin | Drill bit grinding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008500908A (en) | 2008-01-17 |
| KR20070024662A (en) | 2007-03-02 |
| TW200607602A (en) | 2006-03-01 |
| CN1980770A (en) | 2007-06-13 |
| WO2005118219A1 (en) | 2005-12-15 |
| EP1750901A1 (en) | 2007-02-14 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20120524 |