CN102189505A - Polishing grinding head - Google Patents
Polishing grinding head Download PDFInfo
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- CN102189505A CN102189505A CN201010150477XA CN201010150477A CN102189505A CN 102189505 A CN102189505 A CN 102189505A CN 201010150477X A CN201010150477X A CN 201010150477XA CN 201010150477 A CN201010150477 A CN 201010150477A CN 102189505 A CN102189505 A CN 102189505A
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- polishing
- grinding head
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Abstract
The invention relates to a polishing grinding head which comprises a handle part (100) and a head part (200) connected to the top end of the handle part (100), wherein the head part (200) is made of an elastic deformed material. By adopting the polishing grinding head in the invention, structure and size are designed flexibly, and polishing of different surfaces and free curved surfaces with large curvature change, sharp corner and the like can be realized. The invention has the advantages of reliable performance, stable rigidity, difficulty in breaking, abrasion resistance, convenience for replacement, material saving and environment friendliness.
Description
Technical field
The present invention relates to mach grinding and polishing field, more particularly, relate to a kind of grinding head for polishing.
Background technology
In the real life, a lot of products are because have the surface accuracy requirement or need polishing grinding for consideration attractive in appearance, thereby its main method is to move surface grinding on the surface of needs polishing by a bistrique that rotates at a high speed.
Existing grinding head for polishing is made of metal shank and film, and film is positioned on the top end face of metal shank.Film is a kind of fiber reinforcement sheet rubber, and thin film exterior layer is a rubber, and rubber inside is fiber then, makes film both can have certain elastic deformation, also has enough toughness and intensity.Film is fixed to by certain processing technique the film internal face is clung on the front end face of metal shank, and the end of metal shank can be fixed on the anchor clamps or location structure on the lathe.
The center of metal shank has through hole to direct reach the film inwall.When polishing, in the metal shank, add air pressure, make the little deformation of thin membrane of rigidity own and with certain radian projection, thereby form polishing head with certain degree of hardness.Lathe drives whole bistrique high speed rotating, so that surface of the work is polished.At different workpiece and processing request, can in shank, apply different air pressure and make head have different hardness.
But, thisly keep the mode of head hardness and unreliable by air pressure, when air pressure is unstable, can change the camber line curvature of head, thereby with the surface of the work loose contact, influence machining accuracy and error range.And because it relies on air pressure to make deformation of thin membrane, its curvature is limited, and radius of curvature can not be too little.This has just limited this bistrique can not be very little to those curvature, for example has the surface or the violent surface of change of shape of dark " valley " shape.Moreover when some had wedge angle, thorn-like surface when processing, film was damaged easily, made its air pressure inside instability, thereby influenced processing progress.
Summary of the invention
The technical problem to be solved in the present invention is, the defective at the above-mentioned hardness instability of prior art,, easy damage limited to the processing of small curve face provides a kind of grinding head for polishing that can eliminate these defectives.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of grinding head for polishing, comprise shank and the head that encases described shank top, described head is made by the material of elastically deformable.
In grinding head for polishing of the present invention, the top of described shank is for inserting the Embedded Division in the described head, the directly moulding and encase described Embedded Division and be fastenedly connected with described shank on described Embedded Division of described head.
In grinding head for polishing of the present invention, describedly be shaped to vacuum forming, hot-forming or injection mo(u)lding.
In grinding head for polishing of the present invention, described Embedded Division is conical or cylindrical.
In grinding head for polishing of the present invention, the outer surface of described Embedded Division is provided with otch, and described otch is interior can not to get loose thereby the inner surface of described head embeds.
In grinding head for polishing of the present invention, the main body of described shank is the cylindrical metal rod of size greater than described Embedded Division, and the terminal center of shank is provided with and the fastening internal thread of polishing machine installation.
In grinding head for polishing of the present invention, the center of described shank is provided with is convenient to the through hole that described head is ventilated when the moulding of shank top, and described through hole runs through the top of described shank to terminal.
In grinding head for polishing of the present invention, the material of described head is the rubber or the resin of elastically deformable.
In grinding head for polishing of the present invention, the surface configuration of described head is hemispherical, taper shape, cylindrical or irregular curved surface.
Implement grinding head for polishing of the present invention, have following beneficial effect: (1) structure and size design thereof are flexible, can realize different surfaces, as curvature change greatly, the polishing of free form surface such as sharp-pointed corner processes; (2) bistrique dependable performance, rigidity is stable, and wear-resisting not cracky has improved economical and practical performance; (3) change conveniently, but the moulding of head fast, economical ground generates; And only need change head and keep shank, improve the feature of environmental protection; (4) available multiple forming method prepares, and can realize producing in batches.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of grinding head for polishing first embodiment of the present invention;
Fig. 2 is the structural representation of grinding head for polishing second embodiment of the present invention;
Fig. 3 (a) prepares the principle sketch of grinding head for polishing of the present invention for adopting vacuum forming method;
Fig. 3 (b) is the structural representation with the prepared grinding head for polishing of Fig. 3 (a).
Fig. 4 (a) prepares the schematic diagram that grinding head for polishing of the present invention is poured the polymer material step into for adopting hot-press molding method;
Fig. 4 (b) is for carrying out after the polymer material mold heated and inserting the schematic diagram of press rods step continue pouring into shown in Fig. 4 (a);
Fig. 4 (c) is for carrying out the schematic diagram of down force pressure bar step after step shown in Fig. 4 (b);
Fig. 4 (d) is the structural representation by the prepared grinding head for polishing of hot-press molding method shown in Fig. 4 (a), 4 (b), 4 (c).
The specific embodiment
Grinding head for polishing of the present invention comprises head 200 and shank 100.Head 200 is used for the sanding and polishing surface of the work, and 100 of shanks are used for top fixing head 200, and equipment such as terminal and lathe are connected.Drive the workpiece that grinding head for polishing moves or action need polishes by machine tool feed and move it, realize surface finish workpiece.
As shown in Figure 1, in the first embodiment of the present invention, the main body 120 of shank 100 is the cylindrical metal rod, and also is provided with the Embedded Division 110 that is connected with main body 120 on the top of metal bar.What Embedded Division 110 was a diameter less than main body 120 is cylindrical, and is provided with annular incision 111 of a plurality of indents on the outer surface.Main body 120 terminal centers at shank 100 offer screwed hole, make its inner surface have internal thread 121.This internal thread 121 can be connected with the helicitic textures such as screw rod on the equipment such as lathe, thereby head 200 is installed and fixed on the equipment.Inner screw thread 121 also can make things convenient for and different anchor clamps cooperations, makes grinding head for polishing be used for different lathes.
Certainly, shank 100 of the present invention does not limit the concrete shape of its main body 120, Embedded Division 110, otch 111, as long as it can guarantee that an end and head 200 are fastenedly connected, thereby the other end can be connected on machinery equipment such as milling machine, the grinding machine and make head 200 contact and to polish with workpiece, and the structure with such function is shank 100 of the present invention.For example, the main body 120 of shank 100 can be irregular shape, and Embedded Division 110 can be designed to different shapes as taper shape, truncated cone-shaped, sheet, reverse frustoconic etc., otch 111 also differs and is decided to be the annular of indent, it also can be pit that Embedded Division 110 outer surfaces are processed into, hangnail etc., as long as guarantee that certain cross section near main body 120 gets final product less than certain cross section than its more close Embedded Division 110 top in all cross sections perpendicular to machine tool feed direction (also being that lathe drives the direction that grinding head for polishing moves) of Embedded Division 110.In addition, shank 100 of the present invention is not defined as metal yet and makes, and it can be made for other have can being installed to of high rigidity make head 200 be positioned on the machine any material.
As shown in Figure 1, head 200 of the present invention covers on the described Embedded Division 110, and described head 110 is by the moulding of certain moulding means, for example vacuum forming, hot-forming or injection mo(u)lding.That is to say, be after shank 110 is made, and directly with the position of polymeric material at Embedded Division 110 head 200 moulding created.Thereby polymeric material can fully flow and form structure fine and close, consolidation during for the ease of moulding, has through hole 130 on shank 110, so that gas is discharged from the top to the end.
Can fill up the otch 111 of Embedded Division 110 during head 120 moulding, simultaneously also can some polymer melting material enters in the through hole 130, thereby the outer surface that makes head 120 be about to Embedded Division 110 packs tightly, the shank of being embedded into 100 inside are arranged again, and just had certain power of holding tightly by extruding refraction itself during moulding own, therefore, whole head 120 can very securely be connected as a whole with shank 100.
The external surface shape of head 120 can customize according to client's the demand and the workpiece shape of needs sanding and polishing.The second embodiment of the present invention as shown in Figure 2, the used material of its shank 100 and head 200, to embed fixed form all described identical with first embodiment, difference is, described head 200 is conical, then the also corresponding conformal of Embedded Division 110 is designed to the taper shape of point point, and otch 111 is positioned at the bottom of Embedded Division 110 and is wrapped by head 200.Such conical head 200 is more suitable for and processes those surfaces that dark recessed workpiece is arranged.
Making head 200 selected materials is the polymer with certain strain, and available polymeric material comprises rubber, resin etc.
And advantage of the present invention just is, can be at different surface of the works, and design the nose shape that is suitable for processing described surface of the work, and produce the required mould of moulding according to this nose shape, utilize mould to mold corresponding required polishing head 200 then.Especially those surface of the work complexity, as rough and uneven in surface, have dark " valley ", curvature to change violent surface of the work, adopt the present invention, can not be subjected to the restriction of air pressure and the various heads 120 of flexible design adapt to various process requirements, have versatility widely.
Because the structure of head 200 is little, surface configuration is simple, and then mould manufactures simply, cost is low and can use repeatedly, and the amount of the required polymeric material of moulding head 200 is few, and required cost is very little.When the needs polishing workpiece, basically only with producing a large number of bistrique once the cost of a cover small mould and a shank 100, when head 200 damages, only being used in shank 100 molds a head 200 again and gets final product, and do not need bistrique part of integral replacing, reduce cost to greatest extent, save material consumption, have good environment protecting.
In addition, head 200 of the present invention self has certain thickness and volume, thereby has certain rigidity and hardness.When polishing, rigidity of self and the hardness property advanced polishing when running up since it, and do not rely on the air pressure of prior art that rigidity and hardness are provided, therefore, more reliable performance is stable.The present invention does not exist because damaged and gas leakage causes the problem of stiffness variation yet.And select polymeric material for use with certain elastic deformability, then be to consider to add only to play meticulous polishing man-hour, and can as-machined workpiece surface; Meet accident when makeing mistakes etc. not as feed path can be directly scratch workpiece rigidly, guarantee the quality of workpiece.
Described method with head 200 direct moulding on shank 100 has a lot, describes the process of making grinding head for polishing of the present invention with vacuum forming method and hot-press molding method below respectively.
1. vacuum forming
Shown in Fig. 3 (a), prepare a mold A3 according to designed grinding head for polishing size and dimension, have the die cavity A30 of moulding bistrique in the mould A3.The shank 100 that makes is contained in mould A3 goes up and stationary positioned, the Embedded Division of shank 100 front ends stretches in the die cavity A30, and end exposes outside the mould A3 and funnel A4 is housed.There is through hole at shank 100 centers, and the eck of funnel A4 faces through hole, and the polymeric liquid A2 that is used for moulding head 200 will be entered in the die cavity A30 by funnel A4 via through holes 130.
, and polymeric liquid A2 is stirred mixing time tens of approximately seconds with the ratio of preparing and through putting into vacuum forming chamber A1 with agitator A5 at the polymeric liquid A2 (as resin or rubber) that de-bubbled is indoor after removing bubble.At this moment, the above-mentioned mould A3 that shank 100 and funnel A4 are housed also is positioned at vacuum forming chamber A1.
After stirring, in vacuum forming chamber A1, polymeric liquid A2 poured into enter die cavity A30 in the funnel A4 at last.Subsequently, the mould A3 Yi that fills with polymeric liquid A2 in the die cavity A30 is finished the temperature of solidifying in the ， oven remain on 50～60 ℃ Zhi oven, approximately need several hrs hardening time, time length depends on the size and the material of grinding head for polishing.
Solidify the back and from mould A3, take out shank 100, promptly obtain the grinding head for polishing shown in Fig. 3 (b).
2) hot-forming
Shown in Fig. 4 (a), the same with the vacuum forming process, at first to prepare the mould B3 that the size shape of a cover and the grinding head for polishing of required manufacturing adapts, mould B3 has the die cavity B30 that is used for moulding head 200 equally, equally shank 100 is fixed and navigated on the mould A3, make its Embedded Division extend into suitable position in the die cavity B30.The end of shank 100 exposes outside the mould, and its through hole that runs through along its length and the end external world is communicated with, and the other end is communicated with die cavity B30.Funnel B4 is contained on the mould B3 and its eck aligns with the through hole outer end of shank 100.Different with Fig. 3 (a) is, also is provided with on the mould B3 to be used for pinpoint guide pillar B31.
The polymer material B2 of powder or fine particle shape is poured in the funnel B4, and polymer material B2 via through holes enters in the mold cavity B30.
Then, shown in Fig. 4 (b), remove funnel B4, in the through hole of shank 100, insert press rods B1.Press rods B1 inserts the interior part of through hole, and it is the round bar identical with through-hole aperture, plays the effect of the upper surface of sealed polymer material B2 in through hole.After press rods B1 placed, B3 heated to mould.
When temperature is elevated to the fusing point of polymer material B2, shown in Fig. 4 (c), press rods B1 is with little and uniform speed presses down, continue to move down during down to certain distance with under the guiding of guide pillar B31, until dropping to default height, make polymer material B2 when melting by compression, thereby finer and close consolidation.Press rods B1 stops to press down after dropping to correct position, withdraws from heater after insulation a period of time, waits for polymer material B2 cooling curing.
Shown in Fig. 4 (d), from mould 100, take out the grinding head for polishing after polymer material B1 solidify to form head 200.
Except above-mentioned vacuum forming, hot-forming, can also make head by injection mo(u)lding.At first be processed into the metal shank, be fixed on the mould and cooperate with the die cavity of mould, carry out injection moulding again and generate grinding head for polishing, process and vacuum forming are similar.The employing injection molding is produced, and can be designed to the mode of production of a multi-cavity mold, thereby realizes producing in batches.
By above method, can obtain to meet the bistrique head that polishing requires, its composition densification, the intensity height, durable wear, and cooperate closely with grinding head core; Even be damaged, can mold a new head again apace.
In conjunction with the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (9)
1. a grinding head for polishing is characterized in that, comprises shank (100) and is connected the head (200) on described shank (100) top, and described head (200) is made by the material of elastically deformable.
2. grinding head for polishing according to claim 1, it is characterized in that, the top of described shank (100) is for inserting the Embedded Division (110) in the described head (200), and described head (200) is directly gone up moulding and encased described Embedded Division (110) and be fastenedly connected with described shank (100) at described Embedded Division (110).
3. grinding head for polishing according to claim 2 is characterized in that, describedly is shaped to vacuum forming, hot-forming or injection mo(u)lding.
4. grinding head for polishing according to claim 2 is characterized in that, described Embedded Division (110) is conical or cylindrical.
5. grinding head for polishing according to claim 2 is characterized in that, the outer surface of described Embedded Division (110) is provided with cuts (111), the inner surface of described head (200) embed described cutting (110) thus in can not get loose.
6. grinding head for polishing according to claim 2, it is characterized in that, the main body (120) of described shank (100) is the cylindrical metal rod of size greater than described Embedded Division (110), and the terminal center of shank (100) is provided with and the fastening internal thread (121) of polishing machine installation.
7. grinding head for polishing according to claim 2, it is characterized in that, the center of described shank (100) is provided with is convenient to the through hole (130) that described head (200) is ventilated when the moulding of shank (100) top, described through hole (130) runs through the top of described shank (100) to terminal.
8. grinding head for polishing according to claim 1 is characterized in that, the material of described head (200) is the rubber or the resin of elastically deformable.
9. grinding head for polishing according to claim 1 is characterized in that, the surface configuration of described head (200) is hemispherical, taper shape, cylindrical or irregular curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010150477.XA CN102189505B (en) | 2010-03-12 | 2010-03-12 | Polishing grinding head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010150477.XA CN102189505B (en) | 2010-03-12 | 2010-03-12 | Polishing grinding head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102189505A true CN102189505A (en) | 2011-09-21 |
| CN102189505B CN102189505B (en) | 2015-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010150477.XA Active CN102189505B (en) | 2010-03-12 | 2010-03-12 | Polishing grinding head |
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| Country | Link |
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| CN (1) | CN102189505B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033815A (en) * | 2015-07-24 | 2015-11-11 | 哈尔滨工业大学 | Polishing device capable of controlling horizontal contact pressure |
| CN106002496A (en) * | 2016-06-27 | 2016-10-12 | 西安航空动力控制科技有限公司 | Method for eliminating scratches of copper sleeve hole with spiral grooves, rubber polishing part and grinder |
| CN110722440A (en) * | 2019-10-17 | 2020-01-24 | 黄敬 | Surface treatment equipment for synthesis processing of new polymer material |
| CN113580002A (en) * | 2021-08-02 | 2021-11-02 | 浙江诺研新材料有限公司 | Grinding disc for connecting sand paper and torque sand disc tray |
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| CN2174173Y (en) * | 1993-05-26 | 1994-08-17 | 中南工业大学 | Combined polisher needle for dentistry |
| DE29608954U1 (en) * | 1996-05-18 | 1996-11-28 | Büsken, Hermann, 46325 Borken | Adaptable grinding head for clamping in rotating tools |
| CN2328471Y (en) * | 1998-07-17 | 1999-07-14 | 王闯 | Spring grinding head |
| CN1075424C (en) * | 1997-10-21 | 2001-11-28 | 何志海 | Rubber grinding apparatus structure and application thereof |
| CN200954146Y (en) * | 2005-08-19 | 2007-10-03 | 贾辉祖 | Tooth cleaning device adopting combined grinding head |
| CN101274420A (en) * | 2007-03-26 | 2008-10-01 | 上海海事大学 | Soft projectile body polishing grinding head |
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2010
- 2010-03-12 CN CN201010150477.XA patent/CN102189505B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2174173Y (en) * | 1993-05-26 | 1994-08-17 | 中南工业大学 | Combined polisher needle for dentistry |
| DE29608954U1 (en) * | 1996-05-18 | 1996-11-28 | Büsken, Hermann, 46325 Borken | Adaptable grinding head for clamping in rotating tools |
| CN1075424C (en) * | 1997-10-21 | 2001-11-28 | 何志海 | Rubber grinding apparatus structure and application thereof |
| CN2328471Y (en) * | 1998-07-17 | 1999-07-14 | 王闯 | Spring grinding head |
| CN200954146Y (en) * | 2005-08-19 | 2007-10-03 | 贾辉祖 | Tooth cleaning device adopting combined grinding head |
| CN101274420A (en) * | 2007-03-26 | 2008-10-01 | 上海海事大学 | Soft projectile body polishing grinding head |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033815A (en) * | 2015-07-24 | 2015-11-11 | 哈尔滨工业大学 | Polishing device capable of controlling horizontal contact pressure |
| CN106002496A (en) * | 2016-06-27 | 2016-10-12 | 西安航空动力控制科技有限公司 | Method for eliminating scratches of copper sleeve hole with spiral grooves, rubber polishing part and grinder |
| CN106002496B (en) * | 2016-06-27 | 2018-05-18 | 西安航空动力控制科技有限公司 | The method and rubber polished part and mill of cancellation band helicla flute copper sheathing hole cut |
| CN110722440A (en) * | 2019-10-17 | 2020-01-24 | 黄敬 | Surface treatment equipment for synthesis processing of new polymer material |
| CN113580002A (en) * | 2021-08-02 | 2021-11-02 | 浙江诺研新材料有限公司 | Grinding disc for connecting sand paper and torque sand disc tray |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102189505B (en) | 2015-07-22 |
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