EP0565702B1 - Dispositif pour modifier l'etat de surface d'objets ou la granulometrie de produits poudreux - Google Patents
Dispositif pour modifier l'etat de surface d'objets ou la granulometrie de produits poudreux Download PDFInfo
- Publication number
- EP0565702B1 EP0565702B1 EP92923847A EP92923847A EP0565702B1 EP 0565702 B1 EP0565702 B1 EP 0565702B1 EP 92923847 A EP92923847 A EP 92923847A EP 92923847 A EP92923847 A EP 92923847A EP 0565702 B1 EP0565702 B1 EP 0565702B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- belt
- tank
- bodies
- rollers
- 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 - Lifetime
Links
- 239000002245 particle Substances 0.000 title claims abstract description 6
- 239000000843 powder Substances 0.000 title description 2
- 238000005498 polishing Methods 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims abstract description 4
- 239000007864 aqueous solution Substances 0.000 claims abstract description 3
- 238000005299 abrasion Methods 0.000 claims abstract 2
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 229910001651 emery Inorganic materials 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 3
- 239000004429 Calibre Substances 0.000 claims 2
- 239000008187 granular material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001644893 Entandrophragma utile Species 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 229910000971 Silver steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010719 annulation reaction Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001033 granulometry Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/05—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving a container formed as a conveyor belt
Definitions
- the subject of the present invention is a device for modifying the surface state of objects or the particle size of powdery products.
- the technical sector of the invention is that of machines for modifying the surface condition of objects by polishing, abrading, browning, deburring, deburring, sanding or for reducing the particle size of products in the form of flakes or grains by grinding or micronization.
- Polishing or deburring machines for metal parts are currently known.
- a polishing and deburring machine more particularly silverware, is described in patent FR.A. 2,013,786.
- Such a machine comprises a trough-shaped container containing the polishing elements, for example metal balls, in which a conveyor belt is mounted around transverse rollers, which belt is guided by the trough. The strip is applied in contact with the guide trough, and slides over said trough. It is understood that the cavity formed by the belt resting on the trough, can only adopt the shape of the latter, without it being allowed to deform during the presence of objects to be treated of dimensions or in number greater than the nominal limit of the trough capacity.
- the guiding of the belt by the trough limits the linear speed of the latter, which correlatively means that such a polisher can only be suitable for burnishing silver where the speed of the belt is l 'order of forty meters / second.
- the present invention aims to provide improvements to known machines, in particular for new applications.
- the objective to be achieved is a machine making it possible to carry out the surface treatment of objects in silver, stainless steel, brass, copper, wood, or other similar products, or to reduce the granulometry of products in flakes or in grains.
- the device according to the invention for modifying the surface state of objects dry or in an aqueous solution by polishing, abrading, burnishing, deburring or deburring, or dry, sanding of objects or the particle size of products in the form of flakes or grains, by grinding or micronization, comprising a tank comprising two flat side walls and an endless band mounted in said tank and passing around rollers transverse and horizontal, parallel to each other, one of which is motor: at least two rollers located at the upper part of the tank and at least two rollers located at its lower part, the strand of the strip bearing on said upper rollers is curved and forms an open pocket accessible from above, and of which said lower rollers are located below said pocket for guiding the strip in the bottom of the tank, characterized in that said pocket is formed, under the effect of the weight of a load constituted by a plurality of bodies which partially occupy the volume delimited by said curved strand of the strip and said side walls of the tank, which strip, don t the side edges move
- said upper rollers are located at different levels: the roller on which ends the strand which forms the pocket, in the direction of travel of the strip, being at a higher level than the other, from which the strand of said pocket leaves.
- Said strip has a rough face to obtain the setting in motion of said bodies and their renewed contact against said objects or said products, which face has a plurality of cavities forming hollows and bumps, of a height and a section average cross between 0.5 and 3 millimeters, preferably 2 millimeters.
- the upper wall of the tank has an access door to said pocket and said tank also comprises transverse deflectors located on either side of the door and which seal the spaces existing between said upper wall and the endless belt at the right of said upper rolls on which it is wound partially.
- the deflector which closes the space existing between said wall and the strip in line with the highest roller, comprises along its lower edge, a brush seal whose bristles are in abutment on the rough face of the strip.
- the space existing between said wall and the strip in line with the lowest roll, is closed by a deflector substantially tangent to the strip and overlapping thereon at the upper part of the pocket.
- Said bodies which make up the load placed in said pocket are metal or glass balls, with a diameter of between 2 millimeters and 5 millimeters, preferably 4.6 millimeters, or aggregates of alumina or emery or of the shot of a caliber passing through the mesh between 2 and 15 millimeters, or else said bodies are made from alumina, emery or are metallic, adopt a prismatic shape and are of a caliber passing through the mesh between 2 and 15 millimeters.
- the device opens up numerous possibilities for new applications or for integration into existing equipment, such as for example conventional dishwashers.
- the device consists of a tank 1, for example of plastic material such as polyester, having a bottom 1a and the upper wall of which is constituted by a cover 2 also made of polyester, which fits on the tank body.
- Said cover or upper wall 2 includes an inspection door 3, for example made of plexiglass, articulated to said cover by a hinge 4 and which masks or releases an opening 2a of the cover 2.
- the side walls of the tank 1 are lined with two metal flanges 5, which adopt the contour of the tank and on which are mounted the means for winding and driving a conveyor belt 6.
- This is made of polyvinyl chloride, the structure of which is a pleated fabric and has a rough face 6a, comprising a plurality of cavities forming hollows and bumps with a height and a medium cross section, for example between 0.5 and 3 millimeters, preferably 2 millimeters.
- Said strip 6 is an endless strip which occupies the quasi-width of the tank and which extends from one flange 5 to the other, so that its lateral edges 6c / 6d are located near said flanges 5.
- Said strip 6 is mounted around several rollers transverse to the tank 1, mutually parallel and substantially horizontal.
- the tank 1 thus has at its upper part two rollers 7/8 located at different levels.
- the roller 7 is at a higher level than the other 8.
- the roller 7 is located towards the rear of the tank and is of larger diameter. It consists of a steel drive drum with an electrically integrated axial geared motor, which drum is mounted by its axis in two rectangular notches 5a, reserved for the upper part of the flanges 5. This geared motor is connected to a control unit (not shown) connected by a cable to the mains.
- the roller 8 located towards the front of the tank is made of plastic and is mounted on plain bearings around a metal axis 8a.
- the endless belt 6 is supported and partially wound around said rollers 6/7, so that the strand 6b which surrounds said rollers from above forms a curved pocket open and accessible from above, located opposite said opening 2a .
- Said strip 6 is guided in the bottom of the tank 1 around two other plastic rollers 9/10, mounted like said roller 8 around two metal axes 9a / 10a.
- the roll 9 is located below the roll 8, the roll 10 below the roll 7, so that the strand of the strip 6 coming from the roll 8 and terminating in the roll 7, passes below the pocket 6b and is parallel to the front, rear and bottom walls of the tank 1, as illustrated in FIG. 1.
- the strand of the strip which forms the pocket 6b issuing from the roller 8 and terminating in the drive roller 7, is free from any guidance, which allows on the one hand to obtain a range of linear strip speed, which can vary between 40 meters / second and 70 meters / second and even more, depending on the work and applications of the device and, on the other hand, a certain deformability allowing it to accept parts of dimensions slightly larger than the nominal dimensions, without damaging them .
- Said pocket 6b is formed under the effect of the weight of a load constituted by a plurality of bodies 11 which partially occupies the volume delimited by said curved strand 6b and said flanges 5 which double said said side walls of the tank 1.
- said bodies are either metal or glass beads with a diameter of between 2 and 5 millimeters, or aggregates of alumina, emery or iron shot of a passing caliber. with a mesh of between 2 and 15 millimeters, or bodies of prismatic shape, metallic or made from alumina or emery with a mesh of 2 to 15 millimeters.
- silverware will be treated with a body load 11 of a weight which can vary between 40 and 50 kilos of metal balls, with a diameter of 4.6 millimeters.
- the weight is reduced to the range of 30 to 40 kilos of balls of 4.6 millimeters in diameter.
- the body bag suitable for the treatment to be subjected to the objects will be loaded: dry, for sanding or grinding for example, in the middle aqueous with a cleaning product, for browning silver or stainless steel for example.
- the body load 11 comes to a stop in an inclined position towards the drive roller, the upper part of the load being substantially in a plane 12 schematically represented in FIG. 1 and forming an angle of the order 15 ° with the horizontal.
- the upper part of the load stabilizes substantially in a plane 13 schematically represented in said figure, forming an angle with the horizontal, from the 25 ° order.
- the angle of the upper level of the body load is of the order of 40 ° with respect to the horizontal, in the case of burnishing of the stainless steel and for a tape running speed of 70 meters / second .
- the tank 1 comprises on either side of the door 3 and the opening 2a, two deflectors 15/16 extending between the two flanges 5, parallel to the front and rear transverse edges of said door and said opening, and which close off spaces 17/18 existing between the upper wall 2 of the tank and the strip 6 in line with the rollers 7/8.
- the deflector 15 which closes the space 17 existing between the upper wall of the tank constituted by the cover 2 and the face 6a of the endless belt, wound around the drive motor roller 7, comprises along its lower edge a brush seal 19, the bristles of which bear on the rough face 6a of the strip 6.
- the deflector 16 which closes the space 18 existing between the upper wall of the tank constituted by the cover 2 and the face 6a of the endless belt 6, wound around the roller 8, is substantially tangent, by its edge 16a, to said strip and comes to overlap the latter at the upper part of the pocket 6b.
- Said deflectors 15/16 are fixed to the flanges 5 by means of brackets 19.
- the flange assembly 5 / rollers 7, 8, 9, 10 / strip 6 / deflectors 15, 16, is mounted in the tank and is wedged in it by means of shims 20.
- the device could be the subject of any other assembly without flange 5. This would be the case for example, where the rollers 7, 8, 9, 10 would be directly mounted on arrangements linked to the side walls of the tank 1 In such a construction, the edges of the strip would be close to the side walls of the tank 1.
- the tank 1 has four adjustable legs 21 for adjusting its horizontability, located at the corners of the tank bottom, which comprises in one embodiment a drain orifice 22, of the burnishing solution, which is equipped a tap 23.
- the tank has at its bottom a hatch 24 for discharging products from the grinding or micronization or dust sanding.
- the programming of the processing time depends on the state of the objects.
- the browning time is generally 15 minutes but can vary between 5 and 30 minutes.
- the machine can be equipped with an alarm delivering an end of cycle signal, light or sound.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Confectionery (AREA)
- Glanulating (AREA)
- Cereal-Derived Products (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9113283A FR2682630B1 (fr) | 1991-10-21 | 1991-10-21 | Dispositif pour modifier l'etat de surface d'objets ou la granulometrie de produits poudreux. |
| FR9113283 | 1991-10-21 | ||
| PCT/FR1992/000985 WO1993007992A1 (fr) | 1991-10-21 | 1992-10-20 | Dispositif pour modifier l'etat de surface d'objets ou la granulometrie de produits poudreux |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0565702A1 EP0565702A1 (fr) | 1993-10-20 |
| EP0565702B1 true EP0565702B1 (fr) | 1996-01-03 |
Family
ID=9418376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP92923847A Expired - Lifetime EP0565702B1 (fr) | 1991-10-21 | 1992-10-20 | Dispositif pour modifier l'etat de surface d'objets ou la granulometrie de produits poudreux |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0565702B1 (es) |
| AT (1) | ATE132413T1 (es) |
| CA (1) | CA2098820A1 (es) |
| DE (1) | DE69207378T2 (es) |
| ES (1) | ES2083201T3 (es) |
| FR (1) | FR2682630B1 (es) |
| WO (1) | WO1993007992A1 (es) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111185842A (zh) * | 2020-01-13 | 2020-05-22 | 无为县环江铜业有限公司 | 一种用于铜球打磨抛光装置 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2707907B1 (fr) * | 1993-07-23 | 1995-09-15 | Polaror Systeme | Brunisseuse d'argenterie à cuve basculante. |
| FR2720673B1 (fr) * | 1994-06-02 | 1996-08-30 | Realisations Ind Et | Brunisseuse. |
| DE4441273C1 (de) * | 1994-11-19 | 1996-04-11 | Moreillon Jean Claude Adrien D | Maschine zum Entgraten, Satinieren und Polieren von Metallwaren |
| FR2881069B1 (fr) | 2005-01-27 | 2007-04-27 | Pierre Laujon | Machine de nettoyage |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR475954A (fr) * | 1913-09-03 | 1915-06-29 | Wenger & C | Dispositif pour polir les articles métalliques à l'aide de billes polisseuses |
| GB674389A (en) * | 1950-04-04 | 1952-06-25 | Pangborn Corp | Tumbling mills or barrels |
| US3715840A (en) * | 1970-12-31 | 1973-02-13 | Grav I Flo Corp | Apparatus and method for finishing workpieces |
-
1991
- 1991-10-21 FR FR9113283A patent/FR2682630B1/fr not_active Expired - Lifetime
-
1992
- 1992-10-20 CA CA002098820A patent/CA2098820A1/fr not_active Abandoned
- 1992-10-20 WO PCT/FR1992/000985 patent/WO1993007992A1/fr active IP Right Grant
- 1992-10-20 EP EP92923847A patent/EP0565702B1/fr not_active Expired - Lifetime
- 1992-10-20 AT AT92923847T patent/ATE132413T1/de not_active IP Right Cessation
- 1992-10-20 ES ES92923847T patent/ES2083201T3/es not_active Expired - Lifetime
- 1992-10-20 DE DE69207378T patent/DE69207378T2/de not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111185842A (zh) * | 2020-01-13 | 2020-05-22 | 无为县环江铜业有限公司 | 一种用于铜球打磨抛光装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1993007992A1 (fr) | 1993-04-29 |
| ES2083201T3 (es) | 1996-04-01 |
| DE69207378D1 (de) | 1996-02-15 |
| ATE132413T1 (de) | 1996-01-15 |
| EP0565702A1 (fr) | 1993-10-20 |
| FR2682630A1 (fr) | 1993-04-23 |
| FR2682630B1 (fr) | 1996-01-26 |
| DE69207378T2 (de) | 1996-08-29 |
| CA2098820A1 (fr) | 1993-04-22 |
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