CN102189505B - Polishing grinding head - Google Patents
Polishing grinding head Download PDFInfo
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- CN102189505B CN102189505B CN201010150477.XA CN201010150477A CN102189505B CN 102189505 B CN102189505 B CN 102189505B CN 201010150477 A CN201010150477 A CN 201010150477A CN 102189505 B CN102189505 B CN 102189505B
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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 real life, a lot of product is because have surface finish requirements or aesthetically need polishing grinding, and its main method to be moved on the surface needing polishing by the bistrique of a High Rotation Speed thus by surface grinding.
Existing grinding head for polishing is made up 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 rubber, and rubber inside is then fiber, makes film both can have certain elastic deformation, also has enough toughness and intensity.Film is fixed on metal shank by certain processing technology and makes film internal face cling on the front end face of metal shank, and the end of metal shank can be fixed on fixture on lathe or location structure.
The center of metal shank has through hole to direct reach film inwall.When carrying out polishing, in metal shank, adding air pressure, making deformation of thin membrane that rigidity own is little and protruding with certain radian, thus forming the polishing head with certain degree of hardness.Lathe drives whole bistrique high-speed rotation, to carry out polishing to surface of the work.For different workpiece and processing request, different air pressure can be applied make head have different hardness in shank.
But, thisly maintain the mode of head hardness by air pressure and unreliable, the camber line curvature of head can be changed when air pressure is unstable, thus with surface of the work loose contact, affect machining accuracy and error range.Further, 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.Which limits this bistrique can not be very little to those curvature, such as, have the surface of dark " valley " shape or the violent surface of change in shape.Moreover when processing some and having wedge angle, spiked surface, film is easily damaged, makes its air pressure inside unstable, thus affects processing progress.
Summary of the invention
The technical problem to be solved in the present invention is, the above-mentioned hardness for prior art is unstable, limited to the processing in small curve face, hold flimsy defect, provides a kind of grinding head for polishing can eliminating these defects.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of grinding head for polishing, and comprise shank and the head encasing described shank top, described head is made up of the material of elastically deformable.
In grinding head for polishing of the present invention, the top of described shank is insert the Embedded Division in described head, and described head is directly shaping on described Embedded Division and encase described Embedded Division and be fastenedly connected with described shank.
In grinding head for polishing of the present invention, described in 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 the inner surface of described head to embed in described otch thus can not get loose.
In grinding head for polishing of the present invention, the main body of described shank is the cylindrical metal rod that size is greater than described Embedded Division, and the distal center of shank is provided with and installs fastening internal thread with polishing machine.
In grinding head for polishing of the present invention, the center of described shank is provided with the through hole be convenient to described head and ventilated when shank top is shaping, and described through hole runs through the top of described shank to end.
In grinding head for polishing of the present invention, the material of described head is 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 Boundary Surface.
Implement grinding head for polishing of the present invention, there is following beneficial effect: (1) structure and size design thereof flexibly, can realize different surfaces, as the polishing of the free form surfaces such as large, the sharp-pointed corner of Curvature varying; (2) bistrique dependable performance, rigidity is stablized, and wear-resisting not cracky, improves economical and practical performance; (3) change convenient, head can the fast, economical shaping generation in ground; And only need change head and retain shank, improve the feature of environmental protection; (4) available multiple forming method prepares, and can realize batch production.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in 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;
The principle sketch of Fig. 3 (a) for adopting vacuum forming method to prepare grinding head for polishing of the present invention;
Fig. 3 (b) is the structural representation with the grinding head for polishing obtained by Fig. 3 (a).
Fig. 4 (a) prepares for adopting hot-press molding method the schematic diagram that grinding head for polishing of the present invention carries out pouring into polymer material step;
Fig. 4 (b) for continue shown in Fig. 4 (a) pour polymer material into after carry out mold heated and insert the schematic diagram of press rods step;
Fig. 4 (c) for carrying out the schematic diagram of down force pressure bar step after step Fig. 4 (b) Suo Shi;
Fig. 4 (d) is the structural representation of the grinding head for polishing obtained by the hot-press molding method shown in Fig. 4 (a), 4 (b), 4 (c).
Detailed description of the invention
Grinding head for polishing of the present invention comprises head 200 and shank 100.Head 200 is used for sanding and polishing surface of the work, and shank 100 is used for top fixing head 200, the equipment connection such as end and lathe.Drive grinding head for polishing to move or the workpiece of action need polishing moves it by machine tool feed, realize the surface finish to workpiece.
As shown in Figure 1, in the first embodiment of the present invention, the main body 120 of shank 100 is cylindrical metal rod, and is also provided with the Embedded Division 110 be connected with main body 120 on the top of metal bar.Embedded Division 110 is less than the cylindrical of main body 120 for diameter, and is provided with annular incision 111 of multiple indent on the outer surface.Offer screwed hole at main body 120 distal center of shank 100, make its inner surface have internal thread 121.This internal thread 121 can be connected with the helicitic texture such as the screw rod on the equipment such as lathe, thus is installed by head 200 and be fixed on equipment.Inner screw thread 121 also can conveniently coordinate from different fixture, makes grinding head for polishing 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 ensure that one end and head 200 are fastenedly connected, the other end can be connected to machinery equipment as milling machine, grinding machine make head 200 can carry out polishing with absorption surface, and the structure with such function is shank 100 of the present invention.Such as, 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, hangnail etc. that Embedded Division 110 outer surface is processed into, as long as ensure in all cross sections perpendicular to machine tool feed direction (also namely lathe drives the direction of grinding head for polishing movement) of Embedded Division 110, certain cross section near main body 120 is less than than its certain cross section closer to Embedded Division 110 top.In addition, shank 100 of the present invention is not defined as metal yet and makes, and it can make head 200 be made by any material of locating for other have can being installed on machine of high rigidity.
As shown in Figure 1, head 200 of the present invention covers on described Embedded Division 110, and described head 110 is shaping by certain prototyping method, such as vacuum forming, hot-forming or injection mo(u)lding.That is, be that after being made by shank 110, direct polymeric material creates shaping for head 200 in the position of Embedded Division 110.Fully can flow for the ease of polymeric material time shaping thus form structure that is fine and close, consolidation, shank 110 having through hole 130 from top to end, so that gas is discharged.
The otch 111 of Embedded Division 110 can be filled up when head 120 is shaping, also can some polymer melting material enter in through hole 130 simultaneously, thus head 120 is packed tightly by the outer surface of Embedded Division 110, have again and be embedded into shank 100 inside, and by extruding refraction, inherently there is certain enclasping force time own shaping, therefore, whole head 120 can very securely be connected as a whole with shank 100.
The external surface shape of head 120 and can need the workpiece shapes of sanding and polishing to customize according to the demand of client.The second embodiment of the present invention as shown in Figure 2, its shank 100 material used with head 200, embed identical all with described in the first embodiment of fixed form, difference is, described head 200 is conical, then Embedded Division 110 also corresponding conformal be designed to point point taper shape, 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 and have deeply recessed workpiece.
The material made selected by head 200 is the polymer with certain elastic deformation, and available polymeric material comprises rubber, resin etc.
And advantage of the present invention is just, can for different surface of the works, and design the nose shape being suitable for processing described surface of the work, and produce shaping required mould according to this nose shape, then utilize mould to mold corresponding required polishing head 200.Especially those surface of the works are complicated, as surface of the work that is rough and uneven in surface, that have dark " valley ", Curvature change violent, adopt the present invention, can not the various head of flexible design 120 adapts to various process requirements by the restriction of air pressure, have versatility widely.
Because the structure of head 200 is little, surface configuration is simple, then Making mold gets up simply, cost is low and can Reusability, and the amount of polymeric material needed for shaping head 200 is few, and required cost is very little.When needs polishing workpiece, substantially only just a large number of bistrique can be produced with the cost of a set of small mould and a shank 100, when head 200 damages, only be used in shank 100 and again mold a head 200, and do not need integral replacing bistrique part, reduce costs to greatest extent, save material consumption, there is good environment protecting.
In addition, head 200 of the present invention self has certain thickness and volume, thus has certain rigidity and hardness.When polishing, self rigidity and the hardness property the entered polishing when running up since it, and do not rely on the air pressure of prior art to provide rigidity and hardness, therefore, more reliable performance is stablized.There is not the gas leakage because of breakage and cause the problem of stiffness variation in the present invention yet.And select the polymeric material with certain elastic deformability, be then consider to add and only play meticulous polishing man-hour, and can not as-machined workpiece surface; Can not direct scratch workpiece rigidly when meeting accident and makeing mistakes etc. as feed path, ensure the quality of workpiece.
Described has a lot by direct for head 200 method shaping on shank 100, and description vacuum forming method and hot-press molding method manufacture the process of grinding head for polishing of the present invention respectively below.
1. vacuum forming
As shown in Fig. 3 (a), prepare one set of die A3 according to designed grinding head for polishing size and dimension, there is in mould A3 the die cavity A30 of shaping bistrique.To be contained in by the shank 100 made on mould A3 and stationary positioned, the Embedded Division of shank 100 front end stretches in die cavity A30, and end to expose mould A3 outer and funnel A4 is housed.There is through hole at shank 100 center, and the eck of funnel A4 faces through hole, and the polymeric liquid A2 for shaping head 200 will be entered in die cavity A30 by funnel A4 via through holes 130.
To prepare ratio and polymeric liquid A2 (as resin or rubber) after removing bubble in de-bubbled indoor puts into vacuum forming chamber A1, and stirred by polymeric liquid A2 with agitator A5, mixing time is about several tens of seconds.Now, 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 is poured in funnel A4 and finally enters die cavity A30.Subsequently, the temperature completed Zhi oven by the mould A3 Yi filling polymeric liquid A2 in die cavity A30 in solidification ， oven remains on 50 ~ 60 DEG C, and hardening time approximately needs several hours, and time length depends on size and the material of grinding head for polishing.
From mould A3, take out shank 100 after solidification, namely obtain the grinding head for polishing as shown in Fig. 3 (b).
2) hot-forming
As shown in Fig. 4 (a), the same with vacuum forming process, first the mould B3 that the size shape will preparing the grinding head for polishing of a set of and required manufacture adapts, mould B3 has the die cavity B30 for shaping head 200 equally, equally shank 100 fixed and navigate on mould A3, making its Embedded Division extend into position suitable in die cavity B30.The end of shank 100 exposes outside mould, and the through hole making it run through along its length is communicated with one end external world, and the other end is communicated with die cavity B30.Funnel B4 is contained on mould B3 and its eck aligns with the through hole outer end of shank 100.With Fig. 3 (a) unlike, mould B3 is also provided with for pinpoint guide pillar B31.
Pour in funnel B4 by the polymer material B2 of powder or fine particle shape, polymer material B2 via through holes enters in mold cavity B30.
Then, as shown in Fig. 4 (b), remove funnel B4, in the through hole of shank 100, insert press rods B1.Press rods B1 inserts part in 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 places, mould B3 is heated.
When temperature is elevated to the fusing point of polymer material B2, as shown in Fig. 4 (c), press rods B1 is with little and uniform speed presses down, continue to move down when arriving down certain distance with under the guiding of guide pillar B31, until drop to default height, make polymer material B2 while thawing by compression, thus finer and close consolidation.Stop pressing down after press rods B1 drops to correct position, after insulation a period of time, withdraw from heater, wait for polymer material B2 cooling curing.
As shown in Fig. 4 (d), take out from mould 100 polymer material B1 solidify to form head 200 after grinding head for polishing.
Except above-mentioned vacuum forming, hot-forming except, head can also be manufactured by injection mo(u)lding.First be processed into metal shank, be fixed on mould and coordinate with the die cavity of mould, then carry out injection moulding generate grinding head for polishing, process and vacuum forming similar.Employing injection molding is produced, and can be designed to the mode of production of a multi-cavity mold, thus realizes batch production.
By above method, can obtain the bistrique head meeting polishing requirement, its composition is fine and close, and intensity is high, durable wear, and coordinates closely with grinding head core; Even if damaged, a new head again can be molded rapidly.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, these all belong within protection of the present invention.
Claims (4)
1. a grinding head for polishing, is characterized in that, comprises shank (100) and is connected to described shank (100)
The head (200) on top, described head (200) is made up of the material of elastically deformable; The material of described head (200) is the resin of elastically deformable;
The top of described shank (100) is insert the Embedded Division (110) in described head (200), the outer surface of described Embedded Division (110) is provided with otch (111), the otch (111) of described Embedded Division (110) outer surface is described head (200) integrated mould simultaneously, described head (200) manufactures by using polymeric material straight forming on described Embedded Division (110) to complete and encases described Embedded Division (110), the inner surface of described head (200) embeds described otch (111) and is fastenedly connected with described shank (100), described shank (100) repeatedly uses, and again molds a head (200) when head (200) damages at described shank (100),
Main body (120) size of described shank (100) is greater than described Embedded Division (110), and the distal center of shank (100) is provided with and installs fastening internal thread (121) with polishing machine;
The center of described shank (100) is provided with through hole (130), and described through hole (130) runs through the top of described shank (100) to end; Described head (200) incorporates in through hole (130) when shaping, and described through hole (130) is also convenient to described head (200) and is ventilated when shank (100) top is shaping;
Described be shaped to hot-forming;
Described hot-forming be in the following way: prepare mould (A3) according to grinding head for polishing size and dimension, described mould (B3) has the die cavity (B30) of shaping head (200), described shank (100) is fixed and navigates on mould (B3), Embedded Division (110) is made to stretch in die cavity (B30), the end of described shank (100) exposes mould (B3) outward, one end of through hole (130) is in communication with the outside, the other end is communicated with die cavity (B30), described mould (B3) is also provided with for pinpoint guide pillar B31, the polymeric material (B2) of powder or fine particle shape is entered in die cavity (B30) through described through hole (130), press rods (B1) is inserted in through hole (130), mould (B3) is heated, when temperature is elevated to the fusing point of polymeric material (B2), press rods (B1) presses down with uniform speed, continue to move down when arriving down certain distance and under the guiding of guide pillar (B31), until drop to default height, stop pressing down after press rods (B1) drops to correct position, heating is stopped after insulation a period of time, wait for polymeric material (B2) cooling curing.
2. grinding head for polishing according to claim 1, is characterized in that, described Embedded Division (110) is conical or cylindrical.
3. grinding head for polishing according to claim 1, is characterized in that, the main body (120) of described shank (100) is cylindrical metal rod.
4. 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 Boundary 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 CN102189505A (en) | 2011-09-21 |
| CN102189505B true CN102189505B (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010150477.XA Active CN102189505B (en) | 2010-03-12 | 2010-03-12 | Polishing grinding head |
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Families Citing this family (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 |
| 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 |
| CN110722440B (en) * | 2019-10-17 | 2022-12-27 | 江苏宏盛尼龙有限公司 | 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 | Buesken Hermann | 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 | Buesken Hermann | 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 |
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| CN102189505A (en) | 2011-09-21 |
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