EP4140644A1 - Dispositif et utilisation permettant de bloquer une lentille - Google Patents

Dispositif et utilisation permettant de bloquer une lentille Download PDF

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Publication number
EP4140644A1
EP4140644A1 EP22170707.8A EP22170707A EP4140644A1 EP 4140644 A1 EP4140644 A1 EP 4140644A1 EP 22170707 A EP22170707 A EP 22170707A EP 4140644 A1 EP4140644 A1 EP 4140644A1
Authority
EP
European Patent Office
Prior art keywords
block
lens
mold
piece
loading
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.)
Pending
Application number
EP22170707.8A
Other languages
German (de)
English (en)
Inventor
Gunter Schneider
Klaus Hofmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider GmbH and Co KG
Original Assignee
Schneider GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schneider GmbH and Co KG filed Critical Schneider GmbH and Co KG
Publication of EP4140644A1 publication Critical patent/EP4140644A1/fr
Pending legal-status Critical Current

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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
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/005—Blocking means, chucks or the like; Alignment devices
    • B24B13/0057—Deblocking of lenses
    • 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
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/005—Blocking means, chucks or the like; Alignment devices
    • B24B13/0055—Positioning of lenses; Marking of lenses
    • 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
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/005—Blocking means, chucks or the like; Alignment devices
    • B24B13/0052—Lens block moulding devices
    • 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
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
    • 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
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
    • B24B9/14—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
    • B24B9/146—Accessories, e.g. lens mounting devices

Definitions

  • the present invention relates to a device for blocking a lens according to the preamble of claim 1 or 16 and a use of a block mold for blocking a lens according to the preamble of claim 13.
  • lenses for processing, lenses, in particular spectacle lenses, are usually blocked, ie fastened or held, on a so-called block piece as a holder by means of a so-called block material.
  • the block piece is used to hold the lens attached to it - i.e. blocked - very precisely and defined for one or more processing(s).
  • the lens is then blocked again, i.e. released from the block piece.
  • blocking and unblocking should be carried out in a simple, efficient and rapid manner.
  • Alloys with a low melting temperature or thermoplastics ie thermoplastic materials, or non-thermoplastic materials, in particular curing adhesives, can be used as the block material.
  • thermoplastics ie thermoplastic materials, or non-thermoplastic materials, in particular curing adhesives
  • block material there are different requirements and procedures when blocking the lens on the block piece using the block material.
  • a different diameter or a different height is required for connecting the lens and block piece by means of the block material, i.e. a different block size .desirable. Accordingly, it is then also necessary to change the shape of the block that determines the size of the block, particularly when blocking with alloys as the block material.
  • the DE 39 30 503 C2 discloses an apparatus for blocking a lens using a metallic block material on a piece of block.
  • the piece of block is held in a rotatable mount.
  • the space between the lens and the piece of block is delimited laterally by a plate-shaped block mold for the block material.
  • the block mold can be tilted by a motor via actuators and supports the lens to be blocked. Replacing the block shape to achieve different block sizes would be very expensive due to the actuators and is not planned.
  • the DE 10 2004 021 696 A1 discloses an apparatus for blocking lenses on a piece of block using a block material in the form of an alloy.
  • a holder known as a blocking mold holds the respective piece of block.
  • a support ring can be removed from a magazine with various support rings by means of a robot arm and can be positioned on a position bearing above the receptacle or block piece.
  • the support ring serves as a support for the lens to be blocked and laterally delimits the space between the lens and the block piece for the block material to be filled, thus forming a casting or block shape.
  • the robot arm is also used to manipulate and position the lenses in various processing units, such as a coating unit for applying a film to the lens and a recognition unit for reading out the lens type or determining the relative rotational position of the lens to the block piece or support ring. Changing the support rings is time-consuming and reduces throughput.
  • the DE 10 2011 011 418A1 discloses a magazine for block pieces, the block pieces being stored in tubular magazine units.
  • the block pieces are individually removed from below and rotated into a desired rotational position, with the rotational position of the block piece being detected by a detection unit.
  • the aligned block piece is then fed to a block station.
  • the present invention is based on the object of specifying a device and use of a block mold for blocking a lens, with a particularly simple change in the block size and/or a simple or cost-effective structure and/or fast blocking with a high throughput being made possible or possible. become.
  • a first aspect of the present invention is that the device or its block station preferably has a block mold (casting mold) with a plurality of block openings for forming blocks of different sizes. In this way, changing from one block opening to another in order to realize a different block size is possible very easily and quickly, and in particular a time-consuming conversion or exchange of the block shape can be avoided.
  • a block mold casting mold
  • the different block sizes differ in particular with regard to diameter, shape (contour) and/or axial height in order to be able to optimally attach the respective lens to the block piece and hold it for subsequent processing, for example depending on the lens diameter and/or the lens thickness variation or curvature.
  • a quick change of the block size allows a high throughput when processing different lenses and a quick adjustment to the respective requirements.
  • the block openings are particularly preferably arranged one behind the other or in a row, so that it is possible to change very quickly from one block opening to the next block opening, in particular by rotating or linearly moving or displacing the block shape. This is also beneficial for a simple implementation, a compact design and a high throughput.
  • a proposed use of a block mold for blocking a lens on a block piece using a block material, in particular an alloy, is characterized in particular by the fact that the block mold has a plurality of block openings which are designed differently and/or are provided with different block inserts to form different block sizes a block opening of the block shape is selected and used for blocking the lens, ie the selected block opening or a block insert assigned to it laterally delimits the space between the lens and the block piece for the block material during blocking.
  • the block shape is preferably at least essentially plate-shaped. This permits simple manufacture and/or optimized cooling, since in particular a large surface area and thus a cooling surface are formed. This is because good cooling is conducive to rapid hardening of the block material and thus to a high throughput.
  • the block mold preferably has at least one coolant channel.
  • the block mold can be cooled very easily and effectively. This in turn is conducive to high throughput when blocking.
  • the preferred combination of the preferably integrated coolant channel with an at least essentially plate-shaped design of the block shape allows particularly effective cooling and simple implementation.
  • the device preferably has a changeover drive for exclusively moving the block mold or for exclusively changing between different block openings of the block mold and thus block sizes. This, in turn, is conducive to a simple and rapid change from one block opening to another in order to implement a different block size and thus also to a high throughput.
  • the device or its block station particularly preferably has a changing device with the changing drive and a guide, the guide being designed in particular as a linear guide and/or the block mold being detachably connected to the guide. This allows a simple construction and/or a quick change of the block shape.
  • the changing device is used exclusively for changing between different block openings of the block mold, so that a change does not slow down the throughput.
  • the device preferably has two blocking stations along or parallel to a linear axis for loading lenses to be blocked, for loading block pieces and/or for unloading blocked lenses. This enables a compact and/or simple structure with a high throughput.
  • the device preferably has a loading device for loading the blocking station(s) with lenses to be blocked and/or an unloading device, which in particular operates independently of the loading device, for unloading the blocking station(s) of blocked lenses and /or a particular independent of the Loading device working loading device for loading the block station (s) with block pieces, in particular wherein at least two of the devices have a linear axis and these particularly preferably run parallel to each other. This in turn is conducive to a simple structure and/or a high throughput.
  • a combination of the fourth and fifth aspect enables a simple structure with a high throughput and optimized handling.
  • the device preferably has a magazine for, in particular, stacked block pieces and a loading device for removing the block pieces one by one, in particular from the magazine, in particular from above.
  • a magazine for, in particular, stacked block pieces
  • a loading device for removing the block pieces one by one, in particular from the magazine, in particular from above.
  • the device 1 shows a schematic section through a proposed device 1 or blocking station 10 for blocking - i.e. temporarily fastening - a lens 2 on a block piece 3.
  • the device 1 is designed in such a way that several lenses 2 are blocked one after the other and/or at least partially overlapping in time e.g. by using several block stations 10 and/or blocking lenses 2 in pairs in a block station 10.
  • the lens 2 is particularly preferably what is known as a spectacle lens, ie a lens for spectacles.
  • the lens 2 is preferably made of plastic, but can optionally also be made of glass or the like.
  • the lens 2 preferably has a diameter of several centimeters, in particular more than 3 centimeters.
  • the lens 2 is blocked on the associated block piece 3 by means of a blocking agent or blocking material 4, that is to say temporarily fastened.
  • the block material 4 is particularly preferably a (metallic) alloy, in particular with a melting point below 80°C. Optionally, however, it can also be another material.
  • a protective layer for example a protective lacquer or a protective film, is arranged or provided on the side or block side of the lens 2 facing the block material 4 or block piece 3 .
  • This serves in particular to protect this flat side or block side of the lens 2, which in particular has already been completely machined or formed and faces the block piece 3.
  • FIG. 2 shows a partial enlargement of 1 .
  • the lens 2 is already blocked, ie connected to the block piece 3 by means of the block material 4 .
  • the device 1 or blocking station 10 has a receptacle 30 for the block piece 3 in order to hold the block piece 3 for blocking—in particular with the desired orientation or tilted position and/or rotational position relative to the lens 2 .
  • the block piece 3 is designed in particular on its side facing away from the lens 2 for clamping with a defined rotational position for processing the associated lens 2 .
  • the block piece 3 is held in a defined position relative to the lens 2 in particular by the receptacle 30 of the device 1 or blocking station 10 .
  • the receptacle 30 holds the block piece 3 on one side (here underside) of the block mold 20 and the lens 2 to be blocked is arranged on the other side (here top) of the block mold 20 so that the block mold 20 with the inner wall of a block opening 21 blocks the block - or intermediate space between lens 2 and block piece 3 at least substantially limited laterally or circumferentially.
  • the device 1 or block station 10 preferably has a block material feed or block material feed 40 or a feed head 41 for feeding block material or block material 4 into the intermediate space or into the block mold 20, as shown in FIG 1 indicated schematically.
  • the feed head 41 can feed the block material 4 to the intermediate or block space between the lens 2 and the block piece 3 in particular via a feed tip 42 .
  • the feed head 41 is preferably provided with a shut-off valve 43 arranged near the outlet, in order to be able to shut off the block material feed 40 immediately if necessary.
  • the feed head 41 can preferably be supplied with the block material 4 via a block medium line or block material line 44 .
  • FIG 3 shows a schematic perspective view of part of the proposed device 1 or the blocking station 10 in a preferred tilted position or inclined block position for blocking or filling in the block material 4 .
  • the device 1 or block station 10 preferably has a carrier 11, in particular in the form of a plate, on which the block mold 20 is or will be arranged.
  • the carrier 11 forms a bearing or base plate for the block mold 20 and/or a holder for the receptacle 30.
  • the carrier 11 has an opening in order to form the block space or to receive the receptacle 30 and/or the block piece 3 or to be able to connect the block piece 3 directly to the lens 2 via the block material 4 .
  • a connection part 19, in particular a ring-shaped one, is preferably arranged in the opening.
  • the block mold 20 preferably has a plurality of block openings 21, in particular two or three block openings 21, to form different block sizes, as shown in FIG 3 , 4 and 5 indicated where 4 and FIG. 5 shows the proposed block shape 20 in a perspective from above and below, respectively.
  • the block mold 20 is preferably at least essentially plate-shaped and/or at least essentially planar on at least one flat side.
  • the block mold 20 is preferably formed in one piece or at least essentially in one piece.
  • the block mold 20 is preferably made of metal, in particular aluminum, or another material with good thermal conductivity with regard to good heat dissipation or consists of it.
  • the block openings 21 are preferably designed as openings.
  • the block openings 21 are preferably circular in top view. However, if necessary, the block openings 21 can also have a different inner contour.
  • FIG. 6 shows the block mold 20 or a block opening 21 in a schematic section.
  • the block openings 21 preferably differ in terms of their diameter (inner diameter) D and/or in terms of their axial height H and/or their inner contour in plan view in order to produce different block sizes.
  • the respective block size or the respective diameter D adjacent to the respective block opening 21 on the block form 20 can be indicated—for example by numbers.
  • the diameter D is preferably assumed to be that diameter of the block opening 21 which is adjacent to the lens 2 or where the block opening 21 or block shape 20 forms its support edge for the lens 2 .
  • the block opening 21 preferably tapers conically starting from the contact side of the lens 2 . This facilitates demoulding, ie removal of the blocked lens 2 together with the block material 4 and the block piece 3 in the representation according to FIG 1 , 2 and 6 up.
  • the lens diameter is larger than the diameter D of the selected block opening 21, so that the lens 2 can rest and be supported on the edge of the block opening 21 for blocking.
  • the block mold 20 or block opening 21 optionally has an in particular (axially) projecting edge (collar) 22, which in particular determines the axial height H of the block mold 20 or block opening 21 and thus the block size in the axial direction and/or in particular a Plant for the in 6 block piece 3, not shown, forms when blocking.
  • an in particular (axially) projecting edge (collar) 22 which in particular determines the axial height H of the block mold 20 or block opening 21 and thus the block size in the axial direction and/or in particular a Plant for the in 6 block piece 3, not shown, forms when blocking.
  • the edge 22 serves in particular to seal the casting chamber downwards or towards the block piece 3 . This will be discussed in more detail later.
  • the block opening 21 or each block opening 21 is provided with the projecting edge 22 on its underside and/or the lens 2 opposite side.
  • a corresponding edge 22 can also be provided on the upper side or on the side facing the lens 2 and, if necessary, form the contact surface or edge for the lens 2 during blocking.
  • one or more block openings 21 can optionally be provided with a block insert 23 as shown in a schematic section of the block mold 20 7 indicated, so that different block sizes when blocking with the respective block opening 21 compared to another block opening 21 also result in particular due to different size, such as axial height H, inner diameter D and/or different inner contour.
  • the block insert 23 protrudes axially, for example upwards or towards the lens 2, as in 7 implied.
  • the block insert 23 preferably forms the support or contact edge for the lens 2 for blocking.
  • the walls of the block openings 21 or of the respective block insert 23 thus form a casting chamber border for the block material 4 during blocking.
  • the block mold 20 preferably has a lateral feed opening 24, in particular in the form of a groove-like or groove-like indentation or recess or in the form of a radial channel, and optionally a lateral or parallel outlet or overflow 25, preferably separately for each block opening 21. as in particular 4 implied.
  • the feed head 41 can be inserted into the feed opening 24, in particular with its correspondingly designed feed tip 42, as shown in FIG 1 / 2 implied. If a block insert 23 is provided, it has a corresponding opening in the extension of the feed opening 24, so that the block material 4 can flow into the block space or into the block mold 20 in the desired manner.
  • the overflow 25 allows excess block material 4 to exit and/or the filling with block material 4 to be checked.
  • the overflow 25 is preferably arranged adjacent to the supply opening 24 of the respective block opening 21 and/or in particular designed as a groove-like or groove-like or trough-like recess or depression or as a radial channel.
  • the walls of the block openings 21 or of the respective block insert 23 thus form a casting chamber border for the block material 4 during blocking.
  • the block mold 20 preferably has a recess 26 on the underside, as shown in FIG Figures 5 to 7 indicated, in particular for the connection part 19, as in 1 / 2 implied. This will be discussed in more detail later.
  • the block mold 20 is preferably provided with at least one coolant connection 27 and/or one - in particular integrated - coolant channel 28, in particular also independently of the realization of one or more block openings 21, as in particular in 4 indicated in order in particular to enable direct cooling or liquid cooling of the block mold 20 and thereby faster and/or more definite blocking.
  • the block mold 20 preferably has two coolant connections 27 for the supply and return of coolant, in particular a liquid coolant, via 3 cooling lines or other fluidic connections, not shown.
  • Coolant channel 28 preferably runs in a U-shape and/or in a loop and/or in the direction of a main extension and/or adjacent to block opening 21 or block openings 21 and/or at least essentially in a straight line in or on block mold 20.
  • the coolant channel 28 is preferably formed by one or more bores or grooves in the block mold 20 or a plate-shaped base body of the block mold 20 and/or covered by a cover 29, as shown in FIG Figures 1 to 3 shown.
  • the cover 29 is preferably accommodated in a depression in the block mold 20, in particular so that a largely smooth upper side is formed, as shown in FIG 1 / 2 implied.
  • FIG 1 / 2 implied.
  • other constructive solutions are also possible.
  • the coolant channel 28 can also only be formed by one or more bores or other openings, which may be closed at the end, so that no (separate) cover 29 is required.
  • the device 1 or block station 10 preferably has a changing device 12 for automated or motorized changing between the block openings 21 or for selecting one of the block openings 21 and thus for selecting a desired block size for blocking, as in 3 shown.
  • the changing device 12 is preferably designed exclusively for moving, in particular shifting and/or rotating, the block mold 20 relative to the carrier 11 or to the receptacle 30 in order to optionally align one of the block openings 21 over the receptacle 30 or coaxially with it, depending on the desired block size or to position.
  • the movement for changing from one block opening 21 to the other preferably takes place essentially or exclusively transversely to the lens or block axis and/or parallel to the block opening plane of the block openings 21 or plate plane E of the block mold 20 and/or the carrier 11.
  • the changing device 12 preferably has a changing drive 13 and/or a guide 14 .
  • the alternating drive 13 is preferably designed as a linear drive or actuating cylinder, in particular a pneumatic or hydraulic cylinder. However, other technical implementations are also possible here.
  • the changing device 12 or the changing drive 13 is preferably provided exclusively for moving the block mold 20 for changing between the block openings 21 .
  • the changing device 12 or the changing drive 13 is preferably arranged next to the guide 14 and/or on the side of the guide 14 facing away from the block mold 20 and/or on the carrier 11 .
  • the guide 14 is preferably designed as a linear guide and/or is preferably arranged on a longitudinal side of the block mold 20 .
  • the guide 14 preferably holds the block mold 20 so that it can be moved on the carrier 11 or in the block station 10.
  • the block mold 20 is preferably detachably or exchangeably connected or connectable, in particular screwed, to the guide 14 or changing device 12 .
  • the block mold 20 is connected to the guide 14 or changing device 12 and/or other components of the block station 10 preferably via a quick-release fastener, a connecting element, a screw or the like, as in 1 and 3 only indicated schematically in order to allow a quick and easy change of the block mold 20, in particular for cleaning purposes or for conversion.
  • the guide 14 provided allows the block mold 20 to be removed from the carrier 11 or connecting part 19 - for example manually can be raised or folded down, for example to allow easy cleaning. This is made possible or facilitated here in particular by the lateral arrangement of the guide 14 and/or the alignment of the linear axis of movement parallel to one side of the block mold 20 .
  • the block mold 20 only rests loosely and/or due to its weight—in particular on the connection part 19—at least when changing from one block opening 21 to another opening 21 .
  • the block mold 20 is movably guided on only one side or in the region of an edge and/or guided or held so that it can move essentially in its plate plane.
  • the direction of movement B or movement plane E preferably runs transversely or perpendicularly to the central axis of the block opening(s) 21 or receptacle 30 and/or at least essentially parallel to the plate plane or main plane of the carrier 11, the block mold 20 and/or the blocking device positioned lens 2. This preferential transverse movement leads to several advantages.
  • the transverse movement allows a very simple and/or quick change from one block opening 21 to the next block opening 21, allowing for a simple and/or compact construction.
  • the transverse movement is advantageous for counteracting contamination, since a kind of self-cleaning effect is achieved.
  • the block shape 20 particularly preferably forms a relatively narrow or defined contact surface or flat seal with the connecting part 19, in particular with its edge 22, with the block shape 20 being outside of the Contact surface or the sealing area is cut free, so that any block material residues that occur or emerge can be picked up and/or pushed away, in particular by the transverse movement, in order to ensure a good seal for the block material 4 between the block mold 20 and the connecting part, even when changing from one block opening 21 to the other 19 to reach.
  • other constructive solutions are also possible.
  • connection part 19 is preferably inserted into the carrier 11 or arranged thereon. However, if required, the connection part 19 can also be formed directly by the carrier 11 or another component.
  • the lens 2 is preferably blocked individually in the blocking station 10. However, blocking in pairs, ie simultaneous blocking of two lenses 2, is also possible, for example.
  • the block mold 20 then preferably has two corresponding block openings 21 . Alternatively, two block molds 20 can also be assigned to a block station 10 .
  • the block mold 20 can also be pivoted or rotated, in particular as a rotatable plate or plate, in order to optionally provide one or two block openings 21 for blocking and by rotating the block mold 20 to close the block opening(s) 21 as required exchange.
  • the block mold 20 is preferably moved automatically or by a motor, or the block opening 21 is changed. However, this can also be done manually as an alternative. In this case, for example, no alternating drive 13 is required.
  • the device 1 or block station 10 or changing device 12 or guide 14 can also be provided with a detent and/or locking device in order to hold the block mold 20 in a positive or non-positive manner against a Secure moving or shifting and/or lifting off or folding up.
  • the device 1 or blocking station 10 preferably has a hold-down device 15, which can be pivoted in particular and which, after the lens 2 has been positioned, holds the lens 2 for blocking, i.e. in particular on the block mold 20 or the edge of the selected block opening 21 or the optionally available block insert 23 , fixed or held in the desired position, as in 1 and 3 indicated as an example.
  • a hold-down device 15 which can be pivoted in particular and which, after the lens 2 has been positioned, holds the lens 2 for blocking, i.e. in particular on the block mold 20 or the edge of the selected block opening 21 or the optionally available block insert 23 , fixed or held in the desired position, as in 1 and 3 indicated as an example.
  • the hold-down device 15 is particularly preferred via a holder drive 16, as in 1 and 3 schematically indicated, or the like can be moved or actuated or swiveled in the desired manner, in particular so that the lens 2 is held in the desired position for blocking with the desired holding force or pretension and/or the block mold 20 is fixed or pressed against the connecting part 19 .
  • the block station 10 can preferably have a tilted position or block position, as in 3 indicated, for blocking - more precisely for filling in the block material 4 - so that the block material 4 supplied from the top side via the feed opening 24 fills the block or space between the lens 2 and the block piece 3 as bubble-free as possible and the air contained therein can escape unhindered, in particular via the overflow 25, so that the intermediate space is filled as completely as possible by the block material 4 before it hardens or solidifies.
  • the loading of the block station 10 with the block piece 3 to be blocked and the lens 2 to be blocked preferably takes place with an at least substantially horizontal orientation (in particular the lens 2 or block mold 20 or the carrier 11 or the block piece 3) in a so-called loading position or in a horizontal position.
  • the blocked lens 2 is preferably also removed in the loading position.
  • the block station 10 or the carrier 11 can preferably be tilted about a pivot axis S and the device 1 or block station 10 preferably has a corresponding pivot device, in particular a pivot bearing 17 and/or a pivot drive 18, on.
  • the pivot axis S preferably runs adjacent to or parallel to a longitudinal edge or longitudinal axis of the carrier 11 or the block mold 20.
  • the pivot bearing 17 preferably holds the carrier 11 essentially in the area of one long side and the pivot drive 18 , such as an actuating cylinder or the like, engages in particular in the area of the other long side of the carrier 11 .
  • the pivot drive 18 such as an actuating cylinder or the like
  • the block station 10 is shown in a substantially horizontal orientation for purposes of illustration. However, the filling with the block material 4 by means of the feed head 41 shown or in some other way preferably takes place in the above-mentioned tilted position, as already explained.
  • the receptacle 30 preferably has a holder 31 for holding the block piece 3 in particular in a defined rotational position.
  • the block piece 3 is preferably provided on its side facing away from the lens 2 or holding side with one or more projections, a recess, in particular a V-shaped groove, an orientation groove and/or other orientation means or the like to allow in a processing machine, not shown, with a defined rotational position for processing the blocked lens 2.
  • the holder 31 is designed accordingly in order to receive the block piece 3 with a defined rotational position or to hold it for blocking.
  • the holder 31 in the example shown has a preferably ring-shaped receiving groove and/or central recess on the end face, so that the block piece 3 in the received state is peripherally separated from the holder 31 or a holding area 39 of the holder 31 (cf. 2 ) Surrounded with a relatively tight fit and / or held in particular with a defined rotational position by axial / radial engagement.
  • the receptacle 30 has in particular a—preferably at least essentially hollow-cylindrical—bearing housing 32 for the rotatable mounting of the holder 31 .
  • the holder 31 and the block piece 3 can be rotated about an axis of rotation C, preferably by means of a rotary drive 33, which is designed in particular as a servo motor and/or via a geared coupling or a gear 34, such as a toothed belt, a drive wheel and/or one or more gears is coupled in such a way that the holder 31 and thus the block piece 3 can be rotated in a defined manner, preferably by up to 360°, and can be positioned in a desired rotational position.
  • a rotary drive 33 which is designed in particular as a servo motor and/or via a geared coupling or a gear 34, such as a toothed belt, a drive wheel and/or one or more gears is coupled in such a way that the holder 31 and thus the block piece 3 can be rotated in a defined manner, preferably by up to 360°, and can be positioned in a desired rotational position.
  • the rotary drive 33 is preferably arranged axially offset to the axis of rotation C or holder 31 and/or coupled to the holder 31 in such a way that the holder 31 can preferably be dismantled without dismantling the rotary drive 33, in particular can be removed axially, for example for cleaning and maintenance purposes.
  • the holder 31 is preferably provided with an axially movable plunger 35, which is assigned to the end receiving the block piece 3, in order to close a central recess in the block piece 3 in a block material-tight manner and/or after blocking, to axially eject or remove the block piece 3 together with of the blocked lens 2 - in the illustration in 1 / 2 by axial Moving up - being able to cause or at least support.
  • the plunger 35 is particularly preferably controlled or moved pneumatically.
  • the receptacle 30 or the holder 31 with the block piece 3 is preferably positioned starting from a non-tilted normal position (in which the central axis or axis of rotation C is perpendicular to the support plane or the support edge of the block mold 20 or corresponding block opening 21 for the lens 2 or .
  • perpendicular to the main or plate plane E of the block mold 20 or the carrier 11 can be tilted into a desired block position, as in 1 indicated in order to achieve a corresponding tilting between the lens 2 and the block piece 3 when blocking--in particular for a later prismatic correction by the lens 2.
  • the receptacle 30 or the bearing housing 32 is therefore preferably mounted in a tiltable manner on the block station 10 or the carrier 11, in particular via the connection part 19 or another component.
  • the connecting part 19 is preferably seated in a corresponding block opening or opening in the carrier 11 and, in the example shown, preferably projects on the side facing the block mold 20, in particular in order to engage in its recess 26 and/or between the connecting part 19 on the one hand and the block mold 20 or its Edge 22 on the other hand to produce a preferably direct contact or preferably flat or ring-shaped seal, so that the block material 4 does not escape undesirably during blocking.
  • the holder 31 or its holding area 39 preferably rests with the peripheral or outer surface on the inside of the connection part 19 in order to seal the block or casting space for the block material 4, in particular also in the tilted state.
  • a spherical cap-like bearing or system or spherical cap guide is formed between the holder 31 or the holding area 39 on the one hand and the connecting part 19 or another component assigned to the carrier 11 on the other hand, as shown in particular in FIG 2 apparent. An undesired escape of block material 4 can thus be avoided.
  • other constructive solutions are also possible.
  • the connecting part 19 is preferably at least essentially ring-shaped and/or protrudes axially on the side facing the bearing housing 32 .
  • connection part 19 with the receptacle 30 or the bearing housing 32 preferably lying on the outside of the connection part 19 additionally or alternatively forms a tilting or spherical bearing, which allows the receptacle 30 to tilt in all directions, starting from the normal position, into the block position, in particular preferably coaxial to the mounting of the holding area 39 or the holder 31 in the connection part 19.
  • the tilting axis of the receptacle 30 or the holder 31 is particularly preferably located at least essentially in the area of the block piece 3, here essentially in the area of the upper or block-side end of the block piece 3.
  • the maximum tilting is preferably at least 4°, in particular approximately 5°, starting from the normal position.
  • the receptacle 30 or the bearing housing 32 is held by one or more axial springs 36 and/or is prestressed against the carrier 11 or the connection part 19 . This enables very simple assembly and disassembly and/or weight compensation.
  • two actuators 37 are preferably provided (in 1 only one actuator 37 is shown on the left-hand side), which are offset by 90° and act on the receptacle 30 or its bearing housing 32 or components connected thereto—transversely or radially to the axis of rotation C.
  • tilting about any desired tilting axis (orientation of the tilting axis running perpendicularly to the axis of rotation C or parallel to the plate plane E of the carrier 11) can be achieved.
  • the actuators 37 preferably work pneumatically.
  • the actuators 37 preferably act transversely to the axis of rotation C and/or via pressure rams on the receptacle 30 or the bearing housing 32 or components connected thereto.
  • the reset is preferably done via return springs 38, as in 1 indicated schematically. This results in a simple construction. However, other constructive solutions are also possible.
  • the receptacle 30 or the bearing housing 32, the rotary drive 33, the springs 36, the actuators 37 and/or the return springs 38 is or are preferably - directly or indirectly - on the block station 10 or on the carrier 11 - in particular on the Block shape 20 facing away from the carrier 11 - arranged or attached.
  • a particularly preferred structure of the proposed device 1 is shown below with reference to the schematic plan view according to FIG 8 explained in more detail.
  • the device 1 has at least one block station 10, particularly preferably two or more block stations 10.
  • the block stations 10 are preferably constructed at least essentially in the same way or identically, as already explained above.
  • Each block station 10 is preferably assigned its own feed head 41 .
  • the feed head 41 preferably has—in particular in addition to the feed tip 42 for the block material 4—a filling level sensor 45 for detecting the filling of the space between the lens 2 and block piece 3 or the block mold 20 with block material 4 .
  • a filling level sensor 45 for detecting the filling of the space between the lens 2 and block piece 3 or the block mold 20 with block material 4 .
  • other constructive solutions are also possible.
  • the feed head 41 is preferably linear from the in 1 / 2 shown feeding position to a withdrawn waiting position (as in 8 shown) and vice versa, the axis or direction of movement preferably being parallel to the inclined main plane in the block position and/or in extension of the feed opening 24 of that block opening 21 which is located above the receptacle 30.
  • the block material feed 40 preferably has an in particular common reservoir 46 for the block material 4 so that the feed heads 41 can be supplied with the block material 4 via corresponding block material lines 44 .
  • the device 1 preferably has at least one cooling device 50 for supplying the block mold 20 or its coolant channel 28 with coolant.
  • the cooling device 50 is connected in particular via coolant lines 51 to the coolant connections 27 or the coolant channel 28 of the respective block mold 20 .
  • the coolant supply or the coolant lines 51 must be designed to be flexible and movably guided in order to enable these movements and at the same time maintain the coolant supply.
  • the proposed device 1 preferably has a conveying device 60 for conveying in lenses 2 to be blocked and/or conveying blocked lenses 2 away.
  • the conveyor device 60 is particularly preferably designed as a conveyor belt or belt conveyor.
  • the lenses 2 to be blocked are preferably supplied on or in transport carriers 70 .
  • the transport carriers 70 are particularly preferably designed as transport boxes and/or each serve to hold two lenses 2.
  • the transport supports 70 are preferably also used to transport blocked lenses 2 away.
  • FIG. 8 shows a transport carrier 70 in an unloading position for removing a lens 2 to be blocked and, in broken lines, in a loading position for loading with a blocked lens 2.
  • transport carriers 70 can also be used for blocked lenses 2 than for the lens 2 to be blocked.
  • the device 1 preferably has a measuring station 80 for the lenses 2 in order to "measure" the lenses 2 preferably individually, ie in particular a rotational position and/or position and/or identifiers, markings or the like, the position of an optically active surface (top or bottom) or the like.
  • the device 1 preferably has a magazine 90 for block pieces 3 .
  • the measuring station 80 and the magazine 90 are preferably on opposite sides of the block station(s) 10 and/or in the conveying direction F of the conveying device 60 (in the illustrated example according to 8 from left to right) staggered or arranged one after the other.
  • the magazine 90 can also be arranged adjacent to or on the same side as the measuring station 80 and/or upstream in the conveying direction F to the measuring station 80 or a loading device 100 .
  • the device 1 preferably has a loading device 100 for conveying lenses 2 to be blocked to the blocking station 10 or the blocking stations 10 .
  • the loading device 100 is designed in such a way that the lenses 2 - preferably individually - from the conveyor device 60 or the transport carrier 70 to the respective block station 10 or first to the optional measuring station 80 and from there to the respective block station 10 or only from the Measuring station 80 are promoted or transported to the respective block station 10.
  • the loading device 100 picks up the lenses 2 from the respective transport carrier 70, conveys them first to the optional measuring station 80 and then to the respective block station 10, preferably optionally to one of the block stations 10.
  • the lenses 2 can also be conveyed in pairs.
  • a pairwise measurement then also takes place in the measuring station 80 and/or a pairwise block in the block station 10.
  • the loading device 100 preferably has a first lens conveyor device 110 to convey a lens 2 to be blocked from the conveyor device 60 or the transport carrier 70 located in the unloading position to the measuring station 80, and/or a second lens conveyor device 120 to convey the lens 2 further the respective block station 10.
  • FIG. 9 shows a particularly preferred structure of the measuring station 80 in a schematic side view.
  • the lens 2 is preferably transferred to the measuring station 80 or placed on the measuring table or measuring carrier 81 of the measuring station 80, as in 9 implied.
  • the measuring station 80 preferably recognizes engravings and/or identifications, markings and/or optical effective areas of the lens 2.
  • the measuring station 80 or its lighting device 82 preferably has a projector, screen or the like, which sends a pattern (stripe or grid pattern) through the lens 2 or projects it onto it, so that the optical effect of the lens 2 as well as markings and Engravings are distorted and accordingly a detection of the optical effect of the lens 2, the engravings and markings and the like.
  • the lighting device 82 illuminates or transilluminates the lens 2 preferably with a stripe or grid pattern—depending on requirements in the visible and/or invisible wavelength range or possibly also with different patterns and/or wavelengths—preferably from one side or from below. However, a reflective measurement or illumination is also possible.
  • the detection device or camera 83 is preferably arranged on the opposite side or above the measuring carrier 81 .
  • the measuring station 80 can preferably use the detection device or camera 83 to detect the type and/or the alignment of the lens 2, in particular by evaluating the camera image. In particular, it can be detected on which side the lens 2 is located and/or in which rotational orientation or position the lens 2 is located. In addition, markings or other characteristics of the lens 2 can also be detected and/or evaluated.
  • the loading device 100 or the first and/or second lens conveying device 110 or 120 can be used to correct the position of the lens 2 in the measuring station 80 as required.
  • the first lens conveying device 110 can pick up and rotate the lens 2 again, if necessary, and set it down again.
  • the second lens conveying device 120 can, for example, grip and center the lens 2 on the circumference.
  • other manipulations are also possible.
  • the first lens conveying device 110 and the second lens conveying device 120 are preferably conveying devices which are separate or work separately from one another. This is conducive to an optimized throughput and/or a simple structure with few movement axes.
  • the two may be constituted by a common means such as a multi-axis robot arm or the like.
  • the loading device 100 or first lens conveyor device 110 preferably has a first lens manipulator 111, in particular with a suction device 112 or another element for receiving and holding the lens 2, as shown in 8 and 9 indicated in order to receive a lens 2 to be blocked and to transport it to the measuring station 80, in particular to deposit it there on the measuring carrier 81.
  • the lens manipulator 111 can preferably be moved or positioned along a (first) linear axis L1 or guide or rail 113, in particular via a carriage 114 guided in a displaceable manner and a corresponding drive.
  • the lens manipulator 111 or the suction device 112 can preferably be moved transversely or perpendicularly to the linear axis L1 and/or vertically, in particular in order to be able to lift and set down the lens 2 . This is done in particular via a suitable drive, such as a lifting cylinder or the like.
  • the lens manipulator 111 or its suction device 112 or other holding element for the lens 2 can be rotated in particular about a vertical axis or the lens axis in order to be able to align the lens 2 in its rotational position.
  • the loading device 100 or the first lens conveyor device 110 or the first lens manipulator 111 or its suction device 112 is used to rotate the lens 2 after a first detection or measurement in the measuring station 80 if the lens 2 is not in the desired rotational position.
  • the lens manipulator 111 takes the lens 2 again as a precaution from the measuring carrier 81 and rotates it into the desired rotational position and then places it back on the measuring carrier 81 .
  • the loading device 100 or second lens conveyor device 120 preferably has a second lens manipulator 121, in particular with a gripper 122 or other element for picking up and holding the lens 2, as shown in 8 and 9 indicated in order to receive a lens 2 to be blocked and, in particular, optionally to transport it to one of the block stations 10 and in particular to deposit it there on the block mold 20.
  • the (second) lens manipulator 121 can preferably be moved or positioned along a (second) linear axis L2 or guide or rail 123, in particular via a carriage 124 guided in a displaceable manner and a corresponding drive.
  • the (second) lens manipulator 121 preferably has a swivel arm 125, which is arranged in particular so that it can swivel about a turning axis W on the carriage 124 or an extension arm attached thereto.
  • the swivel arm 125 carries the gripper 122 of the lens manipulator 121, which is preferably designed as a centering gripper.
  • the centering gripper 122 has two holding jaws, which can be moved relative to one another and which grip a lens 2 on the peripheral side and thereby center it.
  • the loading device 100 or the second lens conveyor device 120 or the (second) lens manipulator 121 is preferably designed in such a way that a lens 2 to be blocked is taken from the measuring station 80 - in particular from the measuring carrier 81 - the lens 2 is turned and/or the (desired) Block station 10 - in particular optionally one of the block stations 10 - can be conveyed.
  • the swivel arm 125 allows the lens 2 to be turned.
  • the lens 2 is usually conveyed in by the conveying device 60 or by means of the transport carrier 70 in such a way that a flat side of the lens 2 that has already been processed or is no longer to be processed mechanically is at the top.
  • the lens 2 is to be blocked with this side—the so-called block side—so that the other side can be (mechanically) processed later after blocking.
  • the turning axis W for turning preferably runs horizontally and/or preferably lies between the center of the lens on the measuring station 80 and the center of the lens on the adjacent block station 10.
  • the swivel arm 125 together with the gripper 122 preferably bridges approximately the distance between the center of the lens on the measuring station 80 and the line on which the center points of the block openings 21 of the block mold(s) 20 lie. This results in a very simple structure. However, other constructive solutions are also possible.
  • the movement along the (second) linear axis L2 then enables the optional positioning of the lens 2 to be blocked on the selected block station 10 or corresponding block mold 20 / block opening 21 of this block station 10.
  • the lens 2 can thus preferably be turned, starting from the position on the measuring station 80, and possibly transferred directly to the opposite block station 10 without linear displacement, in particular placed and/or positioned on the block mold 20.
  • FIG. 9 shows the first lens conveyor device 110 or the first lens manipulator 111 or its suction device 112 in the raised state and the second lens conveyor device 120 or the second lens manipulator 121 or gripper 122 when gripping or positioning the lens 2 on the measuring station 80 or its measuring carrier 81 .
  • the block opening 21 of the block mold 20 is preferably changed (if desired and/or necessary) and a Loading the block station 10 or its receptacle 30 with a block piece 3. This is preferably also done in the horizontal loading position of the block station 10.
  • the block opening 21 is preferably changed automatically or by a motor by means of the changing device 12, as already explained.
  • Device 1 instructs an unloading device 130, which preferably operates independently of loading device 100 and/or first lens conveyor device 110 and/or second lens conveyor device 120, to unload the blocking station(s) 10 after blocking, i.e. to convey away the blocked lens 2 and in particular to transfer it the conveyor device 60 or a transport carrier 70 (in 8 shown in phantom on the right in a loading position for receiving a blocked lens 2).
  • an unloading device 130 which preferably operates independently of loading device 100 and/or first lens conveyor device 110 and/or second lens conveyor device 120, to unload the blocking station(s) 10 after blocking, i.e. to convey away the blocked lens 2 and in particular to transfer it the conveyor device 60 or a transport carrier 70 (in 8 shown in phantom on the right in a loading position for receiving a blocked lens 2).
  • the device 1 preferably has a common loading device 100 or (second) lens conveying device 120 for conveying the lenses 2 to be blocked to the (several) blocking stations 10 .
  • the device 1 preferably also has a common unloading device 130 with a (third) lens manipulator 131 for the (several) block stations 10 .
  • the unloading device 130 or the (third) lens manipulator 131 preferably has a suction device 132 or another element for receiving and holding the blocked lens 2, as in 10 indicated schematically, in order to receive a blocked lens 2 and to transport it from the respective blocking station 10 to the conveyor device 60, in particular to deposit it on the transport carrier 70.
  • the (third) lens manipulator 131 can preferably be moved or positioned along a (third) linear axis L3 or guide or rail 133, in particular via a carriage 134 guided in a displaceable manner and a corresponding drive.
  • the (third) lens manipulator 131 or its suction device 132 or other organ can preferably be moved transversely or perpendicularly to the linear axis L3 and/or vertically, in particular to be able to lift and set down the blocked lens 2 together with the block piece 3 .
  • the third lens manipulator 131 or its suction device 132 or other holding element for the lens 2 can be rotated, in particular about a vertical axis or the lens axis, in order to be able to align the rotational position of the lens 2 as required before it is transferred or placed on the transport carrier 70 is discarded.
  • the first linear axis L1, second linear axis L2 and/or third linear axis L3 preferably runs at least essentially horizontally and/or transversely or perpendicularly to the conveying direction F of the conveying device 60 and/or parallel to one another.
  • the first and/or third guide or rail 113 or 133 preferably extends over the conveyor device 60, in particular in order to enable the transport carrier 70 to be unloaded and loaded in the desired manner.
  • the transport carrier 70 to be unloaded and loaded in the desired manner.
  • other constructive solutions are also possible.
  • the pivot axis S of the block station(s) 10, the direction of movement B of the block mold(s) 20 for changing the opening, the turning axis W of the loading device 100 or the second lens conveyor device 120 or the pivot arm 125 and/or at least one of the linear axes L1, L2, L3 preferably runs or run at least substantially horizontally, parallel to one another and/or transversely or perpendicularly to conveying direction F of conveying device 60.
  • the block stations 10 and/or their block molds 20 or the center points of the block openings 21 of a block mold 20 or of all block molds 20 are particularly preferably arranged in a row or line, which in particular is parallel to the first, second and/or third linear axis L1, L2, L3 and/or transversely or perpendicularly to the conveying direction F of the conveying device 60 or of the transport carrier 70. This is conducive to a simple and/or compact construction.
  • the loading position of the transport carriers 70 is preferably in a straight extension to the block stations 10 or block molds 20 or block openings 21.
  • the block stations 10 are preferably arranged along or parallel to the linear axis L2 or L3 for loading and/or unloading lenses 2 or for loading block pieces 3 .
  • the device 1 preferably has a loading device 140 for loading the block station(s) 10 with block pieces 3, as in 8 and 10 and in the schematic side view according to FIG 11 shown.
  • the loading device 140 is designed in particular in such a way that a block piece 3 is removed from the magazine 90, preferably in a defined or oriented desired rotational position and the respective block station 10 or recording 30 fed, in particular in the holder 31 of the respective recording 30 can be used.
  • the magazine 90 is preferably rotatable, in particular about a vertical axis.
  • the magazine 90 has, in particular, tubular block piece receptacles 91 for receiving stacked block pieces 3, as shown in FIG 11 evident. If required, the various block piece receptacles 91 can be fitted with different block pieces 3 .
  • the block piece receptacles 91 preferably extend vertically and/or are open at the top.
  • a desired piece of block holder 91 By moving or turning the magazine 90, a desired piece of block holder 91 can be moved into a removal position, so that a desired piece of block 3 can be removed.
  • the block piece receptacles 91 are preferably arranged on a carrier or turntable 92 and/or held on a support plate 94 .
  • the block piece receptacles 91 are preferably fastened in an exchangeable or latching manner, in particular attached or held to the magazine 90 or turntable 92 and/or to a support plate 94 by means of holding devices 93 .
  • device 1 or loading device 140 preferably has one or more block conveyor devices, particularly preferably a (first) block conveyor device 150, a (second) block conveyor device 160 and/or a (third) block conveyor device 170.
  • block conveyor devices particularly preferably a (first) block conveyor device 150, a (second) block conveyor device 160 and/or a (third) block conveyor device 170.
  • the first block piece conveyor device 150 preferably has a first block piece manipulator 151, in particular with a suction device 152 or another element for picking up and holding a block piece 3, as in 8 and 11 indicated, in order to receive a block piece 3 to be blocked, in particular from the magazine 90, and to pass it on with a defined rotational position, in particular to transfer it to the second block piece conveyor device 160 or to deposit the block piece 3 thereon.
  • the block piece manipulator 151 can preferably be moved or positioned along a linear axis L4 or guide or rail 153, in particular via a carriage 154 guided in a displaceable manner and a corresponding drive.
  • the block piece manipulator 151 or its suction device 152 or other holding element can preferably be moved transversely or perpendicularly to the linear axis L4 and/or vertically, in particular in order to be able to lift and set down the block piece 3 accordingly.
  • a block piece 3 is removed from the magazine 90 by the loading device 140 or (first) block piece conveyor device 150 or the block piece manipulator 151.
  • the block piece is preferably removed from above, in particular by means of the suction device 152 or another holding element of the block piece manipulator 151.
  • block piece manipulator 151 or its suction device 152 or other holding element for the block piece 3 can be rotated in particular about a vertical axis or the block piece axis in order to be able to align the block piece 3 in its rotational position.
  • device 1 or loading device 140 or block piece conveyor system 150 or the first block piece manipulator 151 is preferably provided with a sensor device 155 which, in particular, optically detects a rotational position of block piece 3, for example using an orientation groove or the like. , can capture.
  • the block piece 3 After removal from the magazine 90, the block piece 3 can be positioned in front of the sensor device 155 in order to rotate the block piece 3 into the desired rotational position.
  • the sensor device 155 is particularly preferably arranged on the carriage 154 .
  • the block piece 3 can be positioned directly in front of or adjacent to the sensor device 155 and turned into the desired rotational position very easily by lifting it.
  • linear movement towards the (second) block piece conveyor device 160 can take place simultaneously during the rotational alignment in order to enable the block piece 3 to be transferred as quickly as possible.
  • the (second) block piece conveyor device 160 is preferably designed as a linear conveyor or conveyor belt 161 and/or for segmenting or separating the block pieces 3 .
  • the block piece 3 which is preferably aligned in its rotational position, is deposited by the first block piece conveyor device 150, preferably on the block piece conveyor device 160 or on the conveyor/conveyor belt 161.
  • the conveyor belt 161 with orientation means, such as cams or longitudinal or transverse ribs 162, as in 11 indicated, provided to ensure the desired rotational orientation of the block pieces 3 on the conveyor belt 161.
  • orientation means such as cams or longitudinal or transverse ribs 162, as in 11 indicated, provided to ensure the desired rotational orientation of the block pieces 3 on the conveyor belt 161.
  • other constructive solutions are also possible here.
  • the (second) block piece conveyor 160 or the conveyor belt 161 then conveys the block pieces 3 one after the other - in particular under the third guide or rail 133 - to a receiving position for the (third) block piece conveyor 170.
  • the conveyor belt 161 is not passed under the third guide or rail 133, but in particular under the first guide or rail 113, if necessary.
  • the loading device 140 or the conveyor belt 161 for the block pieces 3 is preferably arranged between the block station 10 and the conveyor device 60 and/or the conveyor belt 161 preferably runs parallel to the conveying direction F or conveyor device 60.
  • the (second) block piece conveyor device 160 or the conveyor belt 161 conveys block pieces 3 one after the other into a pick-up position for transfer to the (third) block piece conveyor device 170.
  • the pick-up position is preferably between the first guide or rail 113 on the one hand and the third guide or Rail 133 on the other hand and/or between the block station 10 and the conveyor 60.
  • other arrangements are also possible.
  • the block piece 3 can be transported from the first block piece conveyor device 150 or the block piece manipulator 151 to an in 11 indicated (first) collecting device 163 are released, for example by dropping.
  • This collecting device 163 or collecting position is preferably arranged directly in front of the conveyor belt 161 and/or between the magazine 90 and the conveyor belt 161 .
  • other constructive solutions are also possible.
  • a (second) collecting device 164 can be arranged immediately downstream of the conveyor belt 161 in order to be able to pick up block pieces 3 that cannot be used, for example that cannot be picked up, in particular by tipping at the end of the conveyor/conveyor belt 61 .
  • the block pieces 3 properly picked up by the (first) block piece conveyor system 150 are placed on the conveyor belt 161 at such a distance and/or the orientation means or transverse ribs 162 are spaced such that block pieces 3 that can no longer be used any longer, for example incorrectly orientable block pieces 3 or block pieces 3 with other defects are (can) be placed in between on the conveyor belt 161 in order to then no longer position them in the receiving position mentioned for transfer to the block piece conveyor device 170, but by conveying them on to the collecting device 164 at the end of the conveyor belt 160 to be able to give or tilt.
  • This enables a very simple implementation, in which case the (first) collecting device 163 in particular can be omitted.
  • the (third) block piece conveyor system 170 preferably has a block piece manipulator 171, in particular with a suction device 172 or another holding element for picking up and holding the block pieces 3 in order to remove a block piece 3 from the (second) block piece conveyor system 160 or the conveyor belt 161 - in particular from the in the example shown, the recording position on the left 8 - record and the corresponding block station 10 or record 30 to be able to perform and thus to equip the block station 10 with the block piece 3 for the next blocks or to charge.
  • a block piece manipulator 171 in particular with a suction device 172 or another holding element for picking up and holding the block pieces 3 in order to remove a block piece 3 from the (second) block piece conveyor system 160 or the conveyor belt 161 - in particular from the in the example shown, the recording position on the left 8 - record and the corresponding block station 10 or record 30 to be able to perform and thus to equip the block station 10 with the block piece 3 for the next blocks or to charge.
  • Device 1 or loading device 140 and/or (second) block piece conveyor device 160 preferably has a sensor device (not shown) for determining whether a block piece 3 or which block piece 3 is in the pick-up position and/or at or on the respective orientation means for Recording by the log conveyor 170 is located. Accordingly, a decision can be made as to whether the block piece 3 is picked up by the (third) block piece conveyor device 170 and transferred to the block station 10 or instead is delivered to the collecting device 164 by further conveyance or is dumped.
  • the block piece manipulator 171 can also be moved or positioned along a linear axis or guide or rail 173 or by means of a carriage 174, in particular along the third linear axis L3 or guide or rail 133.
  • the block stations 10 are preferably arranged in a row or one behind the other in such a way that the (third) block piece manipulator 171 can be positioned linearly, optionally over one of the block stations 10 or over the respective receptacle 30 .
  • the (second) block piece manipulator 171 is particularly preferably movable or displaceable together with the (third) lens manipulator 131, in particular mechanically rigidly coupled, for example via a connecting part 175, or arranged on the same or common slide 134, as in 10 shown.
  • the block piece manipulator 171 or its suction device 172 or its other holding element can preferably be moved transversely or perpendicularly to the third linear axis L3 and/or vertically, in particular in order to be able to lift and set down the block piece 3 .
  • the loading device 140 is designed in particular for loading the block station(s) 10 with block pieces 3 one by one. However, loading in pairs is also possible in principle.
  • the block pieces 3 are preferably segmented or separated before or for provision in the receiving position for the loading of the block station 10, in particular by means of the second block conveyor device 160 or the conveyor belt 161.
  • the storage of the block pieces 3 in the magazine 90, the removal and orientation of the block pieces 3, in particular in a desired rotational position, and the separating of the block pieces 3 is preferably carried out by means of separate devices, in particular the magazine 90, the first block conveyor device 150 and the second block conveyor device 160 .
  • the lenses 2 to be blocked are conveyed to the block stations 10, in particular alternately, by means of the loading device 100, which is preferably shared.
  • the blocked lenses 2 are preferably transported away from the blocking stations 10 again by the separate and/or common unloading device 130 .
  • the block station 10 or its receptacle 30 is first reloaded or loaded with a block piece 3 .
  • This is preferably done by means of the (third) block conveyor device 170, which is in particular combined with the unloading device 130.
  • the receiving position for loading block station 10 with a new block piece 3 or for the (third) block piece conveyor 170 is particularly preferably located between conveyor system 60 or transport carrier 70 in the loading position on the one hand and the at least one block station 10 on the other.
  • the unloading device 130 or its lens manipulator 131 can then be moved directly to the next block station 10 in order to unload it.
  • the device 1 preferably has a frame (not shown) for the devices and stations mentioned and/or a housing (not shown). at least partial and/or at least substantially complete encasing of said facilities and stations.

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  • Chemical & Material Sciences (AREA)
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  • Inorganic Chemistry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
EP22170707.8A 2021-05-05 2022-04-29 Dispositif et utilisation permettant de bloquer une lentille Pending EP4140644A1 (fr)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3930503C2 (fr) 1989-09-13 1991-10-17 Wilhelm Loh Wetzlar Optikmaschinen Gmbh & Co Kg, 6330 Wetzlar, De
DE102004021696A1 (de) 2004-04-30 2005-11-24 Schneider Gmbh + Co. Kg Aufblockstation
DE102007007161A1 (de) * 2007-02-09 2008-08-14 Satisloh Gmbh Verfahren, Vorrichtung und Material zum Blocken von Werkstücken, insbesondere Brillengläsern, für deren Bearbeitung und/oder Beschichtung
KR20110004840U (ko) * 2009-11-09 2011-05-17 (주) 아주광학 렌즈의 표면 연삭 및 연마 공정을 진공 상태에서 이동 가능한 연마용 진공 지그
DE102011011418A1 (de) 2011-02-16 2012-08-16 Schneider Gmbh & Co. Kg Blockstückmagazin
DE102017001794A1 (de) * 2017-02-24 2018-08-30 Schneider Gmbh & Co. Kg Blocken von Linsen
CN109848795A (zh) * 2019-04-03 2019-06-07 中山北方晶华精密光学有限公司 一种稳定装夹镜片的安装头组件

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3930503C2 (fr) 1989-09-13 1991-10-17 Wilhelm Loh Wetzlar Optikmaschinen Gmbh & Co Kg, 6330 Wetzlar, De
DE102004021696A1 (de) 2004-04-30 2005-11-24 Schneider Gmbh + Co. Kg Aufblockstation
DE102007007161A1 (de) * 2007-02-09 2008-08-14 Satisloh Gmbh Verfahren, Vorrichtung und Material zum Blocken von Werkstücken, insbesondere Brillengläsern, für deren Bearbeitung und/oder Beschichtung
KR20110004840U (ko) * 2009-11-09 2011-05-17 (주) 아주광학 렌즈의 표면 연삭 및 연마 공정을 진공 상태에서 이동 가능한 연마용 진공 지그
DE102011011418A1 (de) 2011-02-16 2012-08-16 Schneider Gmbh & Co. Kg Blockstückmagazin
DE102017001794A1 (de) * 2017-02-24 2018-08-30 Schneider Gmbh & Co. Kg Blocken von Linsen
CN109848795A (zh) * 2019-04-03 2019-06-07 中山北方晶华精密光学有限公司 一种稳定装夹镜片的安装头组件

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