EP3727751A1 - Einrichtung zur bereitstellung von schleifblättern - Google Patents
Einrichtung zur bereitstellung von schleifblätternInfo
- Publication number
- EP3727751A1 EP3727751A1 EP18826340.4A EP18826340A EP3727751A1 EP 3727751 A1 EP3727751 A1 EP 3727751A1 EP 18826340 A EP18826340 A EP 18826340A EP 3727751 A1 EP3727751 A1 EP 3727751A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cartridge
- abrasive
- sheets
- sanding
- slide
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D9/00—Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive material, e.g. sandpaper
- B24D9/08—Circular back-plates for carrying flexible material
- B24D9/085—Devices for mounting sheets on a backing plate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/08—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession
- B65D83/0805—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture in a wall
- B65D83/0811—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture in a wall with means for assisting dispensing
- B65D83/0823—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture in a wall with means for assisting dispensing the articles being pushed and slid through the aperture
- B65D83/0829—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture in a wall with means for assisting dispensing the articles being pushed and slid through the aperture by means of an actuator
Definitions
- the invention relates to a device for providing abrasive sheets according to the preamble of claim 1.
- Abrasive sheets are used to grind surfaces with orbital, rotating or vibrating motions.
- the abrasive sheets which are usually formed as a circular surface, releasably secured to a sanding plate of a hand-held grinding tool, including mutually corresponding Velcro layers of the sanding sheet on the one hand and the sanding plate on the other hand serve.
- the necessary for grinding removal Schleifkör tion is applied.
- the abrasive sheet may also be contoured differently, as needed and required.
- a change of the abrasive sheet for example, if this is no longer useful after use, but designed extremely time consuming because sanding sheets manually removed from a package and placed on the sanding pad must be introduced, with a custom-fit edition is mandatory.
- the sanding sheet In order to be able to remove this manually better from the sanding ler when changing the sanding sheet, the sanding sheet is in its naturalmesserab phenomenon grö ßer than the sanding pad, so that an edge overhang is formed.
- the invention has for its object to provide a device of the generic type Shen, with a faster and smoother change a sanding sheet is possible.
- a plurality of abrasive sheets of the same type are now held stacked in a dimensionally stable cartridge, wherein the individual
- Abrasive sheets are rectified on each other, that is, the abrasive sheets are each with their abrasive grain side on the connection side, ie the Velcro side of the adjacent abrasive sheet, the cartridge having a Entdgingöff opening facing the connecting side of the so-called first abrasive sheet is assigned.
- This dimensionally stable cartridge forms a dispenser, which is closed at one end initially with a lid and at the other end with a bottom, this dispenser filled with the grinding sheets factory prefabricated GE is delivered.
- the stack of abrasive sheets rests on a slide, with the acquisition of at least one abrasive sheet of the stack can be moved so far until the following abrasive sheet is brought into a removal position.
- the operation of the slide is done manually, including the cartridge has a extending in the axial direction guide opening, for example in the form of a slot, in which an outwardly ra gender handle of the slider is performed.
- This slider is frictionally held within the cartridge against slippage, for which he has an elastic edge, which rests with corre sponding frictional force on the inner circumferential surface of the cartridge.
- the at least one guide opening may also be formed spirally instead of an axial course. Moreover, several, for example, two guide openings may be provided which are opposite or offset are formed to each other, so that overall the slider is securely held.
- the lid In a manual operation of the slide, the lid remains in its position closing the cartridge, wherein, however, the lid has a central hole whose diameter is larger than that of the grinding disc, but smaller than that of the grinding sheet to be removed.
- the level height can be detected by the position of the slide o- by a window, if, as provided in accordance with a further idea of the invention, the slider is actuated by a Schieberautomaten.
- the abrasive sheets are held against rotation in the cartridge, for example, by an inner contour that is adapted to the peripheral contour of the abrasive sheets.
- used abrasive sheets can be pressed back into the cartridge after use.
- the abrasive sheets are preferably stacked in the cartridge so that unused sanding sheets, as already described above, with their abrasive grain side to the Bo point out and their connection side to the removal point and be used abrasive sheets with their abrasive grain side to the removal point out and ih re Connecting side facing the ground, wherein the axially movable slide between the unused and the used sanding sheets is arranged.
- the used abrasive sheets are thereby inserted through the opening in the bottom of the cartridge by means of a support plate.
- a barcode or QR code which can also be shown encrypted ver.
- the bottom as well as the lid protect the abrasive sheets during storage and transport, with the bottom and / or the lid being clamped to the cartridge.
- the cover may be provided with a circumferential, opposite to the cartridge axially aligned collar.
- an automatic slide valve is provided according to an advantageous embodiment of the invention, which is stationary installed at the site of the abrasive sheet removal and to which the dispenser can be placed.
- the lid is inseparably connected to the floor, which, like the lid, can be designed as a cap.
- the soil acts as a stability for the donor as well as recording in the Schieberauto maten.
- the support surface of the slider, on which the last abrasive sheet rests is formed so that a connection with the sanding pad of the
- the bottom, the lid, the cartridge and the slide form a structural unit that can be changed virtually in one operation.
- the level of Spen DERS can be determined by a higher-level computer system, especially when using a Schieberautomaten, the level is designed so that several donors are arranged on a rotatable holder in the manner of a revolver, which, after emptying the egg nen donor cyclically twisted so that a filled dispenser is brought into the Wirkbe rich Schieberautomaten.
- the function of the plunger is preferably pneumatic or hydraulic. It is also conceivable to use a spindle drive.
- FIG. 1-3 an embodiment of an inventive Einrich device in different views
- FIG. 4-6 another embodiment of a device, if the same in different views
- a device for the provision of abrasive sheets 8 is formed from each of which one of a releasably attached to a not shown sanding ler a hand-held grinding tool can be fastened.
- a rod of like-like sanding sheets 8 is mounted in a dimensionally stable cartridge 2, which is preferably made of plastic or cardboard or the like before.
- the sanding sheets 8 are provided on one side with an adhesive layer, in particular special a Velcro layer, for attachment to the sanding pad, and on the walls ren side with an abrasive grain, which forms a useful surface.
- an adhesive layer in particular special a Velcro layer
- the superimposed abrasive sheets 8 are stacked so that always abuts an abrasive grain side on a connection side.
- a dispenser 1 which is manufactured as a unit factory before and in the form shown can be brought to the site and used there.
- the lid 3 is frictionally held on the cartridge 2, wherein a nozzle 6 surrounds the cartridge 2, which is slightly smaller in its inner diameter than the outer diameter of the cartridge 2, resulting in a press fit so to speak, so that the lid 3 is held captive. Concentric with the neck 6 extends in the opposite direction in the inner diameter larger collar 5, the te in anotherrolsvarian, which will be described later, is used.
- the inner lateral surface of the cartridge 2 is provided with a peripheral contour 12, which corresponds to the peripheral contour of the abrasive sheets 8.
- a slider 9 is arranged inside the cartridge 2, with which the resting stack of abrasive sheets 8 is moved after removal of a sanding sheet 8 in a removal position.
- the guide openings 7 serve to detect the fill level of the stack of abrasive sheets 8.
- the slide 9 is displaced so far after a removal of a sanding sheet 8 that the uppermost sanding sheet 8 comes into contact with an end face of the cover 3.
- the center hole 10 of the lid 3 is smaller in diameter than the Au - prepare for handling the abrasive sheet 8.
- the outer diameter of the grinding lers is slightly smaller than the clear diameter of Mittello Che 10, so that the sanding pad for connection to the abrasive sheet 8 through the center hole 10 can be performed. Since the abrasive sheet 8 is flexible, it is easily removed from the stack after connection to the sanding pad through the center hole 10, bending the edge.
- FIGS. 4-6 show a dispenser 1 after preparation for use in a slide automatic machine 13.
- the lid 3 is withdrawn from the cartridge 2 and pushed with its Kra gene 5 ahead on the cap-shaped bottom 4, wherein the two center holes 10, 1 1 are approximately congruent.
- a plunger 17 (Fig. 9) of the slide car mate 13 is guided, which engages on the side opposite the sanding sheets 8 on the slide 9 and this advances axially.
- FIGS. 1 and 4 show the dispenser 1 in a side view, respectively
- FIGS. 2 and 5 show a section through the dispenser according to the line AA in FIGS. 1 and 4 and FIGS. 3 and 6 respectively in one perspective view.
- FIG. 7 a perspective plan view
- FIG. 8 in a perspective bottom view and in FIG. 9 in a cross section.
- This automatic slide 13 has a stationary mountable base plate 18 to which a plunger means 15 is fixed, in which the plunger 17 is held axially movable bar, including a compressed air line 16 is connected to the supply of compressed air is.
- the drive of the rotary table 14 is also carried out pneumatically in the example, with a compressed air line 16 is provided for this purpose, which is in operative connection with a ent speaking drive unit.
- the rotary table 14 is equipped with dispensers 1, one of which is shown in FIGS. 4-6. It can be seen that the lid 3 is released from its United closed position and pushed onto the floor 4, wherein the Kra conditions 5 serves as an insertion aid when equipping the rotary table 14.
- the plunger 17 contacts the slider 9 and moves it so far that after removal of the upper abrasive sheet 8, the stack is fed to sanding sheets, to a position in which the next sanding sheet 8 can be removed.
- the level of the abrasive sheets 8 in the dispenser 1 can, as already mentioned, be calculated by a higher-level computer system, for which purpose corresponding sensors are provided on the tappet device 15.
- FIGS. 10-12 show a further embodiment of an apparatus according to the invention.
- the dispenser 1 shown in these figures is in particular designed as a Fland be servable Flandspender whose essential structure corresponds to that described with reference to FIGS 1 to 6 dispenser 1.
- the cartridge 2 shown here serves not only for storing new, unused sanding sheets 8, but also the recording of spent sanding sheets 8, which after use by means of a support plate 20 through the opening 10 in the lid of the device in the cartridge 2 are pressed.
- Adhesion of the respective sanding sheet 8 with its adhesive layer, beispielswei se a velor side, which adheres to a trained as Velcro adhesive surface of the support plate is after insertion of the spent Schleifblat tes 8 in the cartridge 2 by serving as a scraper inner edge of the lid 3, which surrounds the opening 10, stripped out of the cover 3 during retraction of the support plate 20 and thus remains in the cartridge 2.
- the abrasive sheets 8 are formed with an outer contour 19 corresponding to the peripheral contour 12 of the inner surface of the cartridge 2.
- the axially displaceable slide 9 is arranged between the unused and the used sanding sheets 8.
- the slider which is preferably in the form of a foam block, compensates for the forces exerted by the support plate 20 during the insertion of the used abrasive sheets 8 by virtue of its elasticity.
- the slider 9 acts thereby by its elasticity supportive to the se ren stop of the abrasive sheet 8, which is held behind the direction of the opening 10 before standing inner edge of the lid 3.
- the return of the used abrasive sheets 8 causes a constant contact pressure on the sanding sheets 8 within the cartridge 2, as by inserting spent abrasive sheets 8 after use in the cartridge 2 and removal of a new sanding sheet 8 always the moving surface number of sanding sheets 8 in the Cartridge 2 remains.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017130801.6A DE102017130801A1 (de) | 2017-12-20 | 2017-12-20 | Einrichtung zur Bereitstellung von Schleifblättern |
| PCT/EP2018/085973 WO2019122002A1 (de) | 2017-12-20 | 2018-12-19 | Einrichtung zur bereitstellung von schleifblättern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3727751A1 true EP3727751A1 (de) | 2020-10-28 |
Family
ID=64899347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18826340.4A Withdrawn EP3727751A1 (de) | 2017-12-20 | 2018-12-19 | Einrichtung zur bereitstellung von schleifblättern |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3727751A1 (de) |
| DE (1) | DE102017130801A1 (de) |
| WO (1) | WO2019122002A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020122115B3 (de) * | 2020-08-25 | 2022-02-24 | Asis Gmbh Automation Systems & Intelligent Solutions | Vorrichtung und Verfahren zum Austausch einer Schleifscheibe oder Schleifblüte einer robotergestützten Schleifmaschine |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3430856C2 (de) * | 1984-08-22 | 1987-05-14 | Bayerische Motoren Werke AG, 8000 München | Anlage zum automatischen Schleifen von Flächen |
| US5277688A (en) * | 1992-08-03 | 1994-01-11 | Robotics And Automation Corporation | Automated robotic quick change force controlled arbor device |
| US5443358A (en) * | 1993-04-30 | 1995-08-22 | Burton Industries, Inc. | Indexing part loader |
| US6193337B1 (en) * | 1998-06-15 | 2001-02-27 | 3M Innovative Properties Company | Abrasive sheet dispenser |
| DE202009006420U1 (de) * | 2009-05-05 | 2009-09-24 | Rudolph, Klaus | Vorrichtung zum Ausgeben von Plastikdeckeln vollautomatisch |
| KR20110102625A (ko) * | 2010-03-11 | 2011-09-19 | 웅진코웨이주식회사 | 컵 배출기 |
| CN202507181U (zh) * | 2012-06-01 | 2012-10-31 | 富鼎电子科技(嘉善)有限公司 | 换砂纸装置 |
| DE202013101858U1 (de) * | 2013-04-29 | 2013-05-17 | Sps Holding Gmbh | Anlage zum Schleifen von Flächen |
| CN110293475B (zh) * | 2014-02-20 | 2022-04-05 | 菲比瑞卡马基纳莱有限公司 | 用于更换研磨机中的研磨片的设备 |
| US9986851B2 (en) * | 2015-05-06 | 2018-06-05 | Cardomon International Limited | Double ended cup dispenser |
| BR112018075481B1 (pt) * | 2016-06-09 | 2022-02-15 | Yaborã Indústria Aeronáutica S.A. | Sistemas e processos automatizados para preparar superfícies de veículo, tais como fuselagem de aeronave, para pintura |
| DE102016114854A1 (de) * | 2016-08-10 | 2018-02-15 | Shl Holding Ag | Schleifvorrichtung |
-
2017
- 2017-12-20 DE DE102017130801.6A patent/DE102017130801A1/de not_active Ceased
-
2018
- 2018-12-19 WO PCT/EP2018/085973 patent/WO2019122002A1/de not_active Ceased
- 2018-12-19 EP EP18826340.4A patent/EP3727751A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019122002A1 (de) | 2019-06-27 |
| DE102017130801A1 (de) | 2019-06-27 |
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