Classifications

• • A—HUMAN NECESSITIES
  • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
  • A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
  • A23N1/00—Machines or apparatus for extracting juice
  • A23N1/003—Machines or apparatus for extracting juice especially for citrus fruits

Definitions

• Juicing the fruit using a reaming head which in the simplest application is also carried out with the usual household devices, either by turning the halved fruit by hand with pressure against a conical reaming head or with the help of a mechanized device with a when the pressure is exerted against the held half of the fruit, the friction head which begins to rotate automatically gives the best results with regard to the yield and the taste of the juice.
• the extremely complex and fault-prone device does not serve for rubbing out fruit halves, but only the skin on the rotating fruit is cut through and then the whole fruit is removed from the previously cut skin with a half-round, rotatable peeling knife and only the pulp residues remaining in the two half-shells are then still rubbed out with the aid of a double-sided reaming head. Since this known device works according to the more concentrated principle of separating the peel and the whole fruit, instead of simply reaming fruit halves and still not being able to process unsorted fruit, it is particularly suitable for processing cheap goods which are most suitable for the most economical fruit juice extraction, unsorted is not suitable.
• the present invention was therefore based on the task of obtaining fruit juice by rubbing out fruit which is not always of uniform size. mechanized using means suitable for simple movement sequences in order to obtain fruit juice into which no components of the peel can get into.
• the device has the features according to claim 1.
• the device has the advantage that, following the halving by a relative movement between the fruit and the knife in accordance with the usual cutting process, the fruit is rubbed out by a rotating reaming head which simultaneously processes both fruit halves, the further advantage being that With the aid of the resiliently supported knife, fruits of different sizes and having different weights can be processed in any order.
• the upright knife with its one end pivotably mounted, with its other end onto which the fruit falls from the storage container between the two clamping jaws, is held by means of a spring, so that in the case of a heavier and larger fruit, the knife is held slightly lower than with a lighter fruit and is therefore supported in a centered manner depending on the weight with respect to the centers of the two clamping jaws.
• the clamping jaws carry out a quarter circular swiveling movement and at the same time an opening movement by axially displacing the swiveling axes in order to bring the two fruit halves in front of the reaming head, which movements are preferred be brought about by simple cam controls.
• This cam control also enables a brief interruption on the way back of the clamping jaws to the starting position, in order to move the clamping jaws on the back with a short axial movement against firmly arranged ejector pins which expel the ripe fruit peels from the clamping jaws through holes in the clamping jaws. in which the not yet grated fruit halves are held by a central thorn.
• Figure 1 is a front view of the device, without a front wall and shown schematically.
• Fig. 2 the device in Be enansicht
• Fig. 3 is a plan view of the device without a reservoir.
• the device has a processing station 1, in which the citrus fruits are processed and the juice is obtained and which is therefore separated as a wet room by a housing 2 from a space 3 adjoining on three sides, in which the drive and control means for the processing station are accommodated.
• a storage container 4 intended for receiving a larger amount of citrus fruits, with an outlet opening 5 located in the bottom area, through which a citrus fruit falls one after the other into the processing station 1.
• the fall line of the fruit is the one end of an upright knife 6, which is attached at this end to a support body 7 widening the knife on both sides, which has a quarter rice-shaped support surface 8 for the top the fruit and further below the center of the fruit each have a support shell 9 on the left and right.
• a pivotable holding arm 9a prevents the fruit from rolling away along the top edge of the knife.
• the support body 7 is suspended at the outer end on a compression spring 10, so that the upright knife, which is pivotally articulated with its other end on the housing 2 of the wet room 1, swivels in the vertical direction. can perform movements.
• the knife 6 suspended on the spring 10 is always set in such a pivoted position that the center of a fruit resting on the knife end and the support body 7 and the support shells 9 is always at approximately the same height, and with a small and light fruit in diameter as well as with a larger and correspondingly heavier fruit, in which the knife 6 swings slightly downwards due to the weight, so that the center of this fruit is at the desired height, namely in height the center of two clamping jaws 11, which are kept to the left and right of the fruit in the ready position 1 and at such a distance from one another that the fruit can fall between the clamping jaws 11 onto the knife end.
• the clamping jaws 11 are each arranged at the end of a pivot lever 12 which is arranged at its other end on a lever pivot axis 13.
• Each clamping jaw 11 has a holding mandrel 14 in the center, which points against one another in the two clamping jaws, and furthermore, on the concave curved inner surface 15 of the clamping jaw, somewhat protruding radially extending and circumferentially evenly distributed projections 16 for holding the Fruit when rubbed out afterwards.
• the two clamping jaws 11 can be moved with the aid of the two levers pivot axes 13 by axially displacing them relative to one another, so that they grip and clamp the fruit located in between on opposite sides, the holding mandrel 14 of the clamping pocket 11 penetrating into the fruit.
• the two clamping jaws 11 holding the fruit can also be pivoted by pressing the two levers pivot axes 13. In the first swivel position, the two clamping jaws 11 are located vertically above the two lever Swiveling axes 13.
• a double-sided friction head 18 is also rotatably arranged on the rear or inner housing wall 2 of the wet room.
• the reaming head 18 lies on the swivel arc 17 of the jaws 11, which have covered a quarter of a circle when the reaming head is reached.
• the clamping jaws move apart so far by axially displacing the associated levers that the two clamping jaws 11, each with a fruit half held therein, are located on both sides and centrally in front of the double-sided reaming head 18.
• the two clamping jaws 11 are then pressed against the rotating reaming head 18 by axially displacing the lever pivot axes 13, so that both fruit halves are rubbed out simultaneously.
• the reaming head 18 has two hubs 21 which are arranged at a distance from one another on a central axis 20 and which each carry radially arranged wing disks 22 with an arcuate outer contour for rubbing out.
• a gear 23 is arranged on the axis 20 between the two hubs 21, which meshes with a further gear 24 which engages through the wall of the housing 2 of the wet room.
• the drive means described in more detail below are located outside the housing 2 enclosing the processing station and wet cell 1.
• the hub 21 for the axis 20 of the reaming head 18 is fastened to a holding arm 25 which is designed to enclose the two gear wheels 23 and 24 and is flanged to the rear wall of the housing 2.
• the housing 2 which is rectangular in plan, furthermore has three ejector pins 26 arranged on a circle on two opposite walls, which adjoin the housing wall carrying the friction head at right angles, which project vertically from the wall and line up of the swivel arc 17 of the two clamping jaws 11.
• the clamping jaws 11 each have three through bores 27, which are designed in a circle around the center of the clamping jaw and corresponding to the ejector pins such that the ejector pins 25 pass through the through bores 27 by moving the clamping jaw in the direction toward the housing wall to eject the peel from the jaw after rubbing out the two halves of the fruit, which in a third pivoting position of the jaws during a brief interruption of the pivoting movement from the second pivoting position of the jaws in front of the reaming head to the first pivoting position or starting position of the jaws above the knife end takes place, in this third pivot position each of the jaws by axial displacement of the associated lever pivot axis 13 is moved in the transverse direction.
• All movements of the two clamping jaws 11 take place through the drive and control means, which are arranged in the space 3 enclosing the wet cell 1 in a U-shaped plan, as can be seen from FIG. 3.
• An electric motor 28 drives a built-on reduction gear 29, through which a belt drive 30 is driven, through which a shaft 33, which is mounted in two pillow blocks 31 and 32, is driven, which carries a gearwheel 34, which via the two already mentioned gearwheels 24 and 23 drives the double-sided reaming head 18 at a speed suitable for reaming.
• the speed is preferably 500 revolutions per minute.
• a further reduction gear 35 connected downstream of the first reduction gear 29 drives over another belt drive 36 on a shaft 37, which is mounted in - two pillow block bearings 38.
• a pillow block 38 is shown and the further movement drive is only shown for the left clamping jaw 11, since the movement drive, not shown, for the right clamping jaw 11 comprises the same parts and has the same mirror image.
• This lever 4T is articulated at the end of a lever arm 42 of a two-armed toggle lever 43, which is pivotably mounted on a vertical axis 44 and whose other lever arm 45 carries at the end an articulated head 46 which forms the connection to the lever pivot axis 13.
• This is mounted in a bearing 47 1 flanged on the housing 2 in order to vary the distance between the two clamping jaws 11 for the various operations.
• This movement of the clamping jaws' 11 in the axial direction is thus controlled by the cam 39 and because, as mentioned above, with the apparatus smaller in diameter as to be processed even larger citrus fruit, the curve has a disk controller adapted to different in the Pivotal positions when gripping a fruit and when rubbing out the fruit with the smallest diameter is held firmly, so that the two clamping jaws 11 of a fruit with a larger diameter may move closer together if the fruit is not to be crushed, which is why in the rigid motion transmission an elastic element in the form of a spring 48 is arranged between the transmission lever 41 and the toggle lever 43, which spring is compressed when processing a citrus fruit with a larger diameter.
• the joint head 46 at the end of the lever pivot axis 13 enables this axis to be rotated at the same time can be so that the jaw 11 can assume the various pivot positions.
• the change in the pivot position is controlled by a further cam 49 arranged on the same shaft 37, which cooperates with a cam roller 50 at the end of a transmission lever 51 which is articulated on a further lever 52 arranged on the lever pivot axis 13 and together with this one Crank forms, by means of which the lever pivot axis is pivoted back and forth between a first and a second pivot position.
• Fig. 3 one of these pivot positions in solid lines and another pivot position is shown in dash-dotted lines.
• the two cams 39 and 49 control all movements of the clamping jaws 11 during the entire course of the movement when halving and rubbing a citrus fruit, i.e. the movement to hold a citrus fruit falling out of the storage container between the clamping jaws, the pivoting movement via the knife 6 to halve the fruit, the movements of the clamping jaws against the friction head 18 and back again, the subsequent pivoting movement and axial movement against the ejector pins 26 and the subsequent swiveling movement back to the starting position.
• the juice When the citrus fruit is rubbed out, the juice reaches the bottom through a sieve tray 55 which closes the wet cell 1 below and into a juice container 56 located underneath and removed.
• the pulp which has been rubbed out remains on the sieve tray 55, which is spaced at regular intervals with the aid of a Sieve bottom 55 moving wiper arm 57 is laterally transported away.
• the wiper arm 57 can be pivoted back and forth parallel to the sieve bottom about a vertical axis of rotation 58 arranged in a corner of the sieve bottom 55. In the position shown in FIG. 3, the wiper arm 57 has the pulp up to an outlet shaft 59 which laterally adjoins the wet room 1 pushed through which shaft the pulp falls vertically down into a container, not shown.
• the wiper arm 57 moves up to the housing wall 2 below the reaming head 18 and is raised during this pivoting movement with the aid of a cam control, not shown, so that the pulp is not taken along during this movement phase and only during the movement in reached in the opposite direction in the shaft 59.
• the trays of the citrus fruits which have been rubbed out and falling onto the sieve bottom are also transported away via this shaft 59.
• This device also includes a control and regulating device, not described in more detail here, which ensures the correct sequence of the individual movements in a processing cycle, for example a pivotable lock 60 in the region of the outlet opening 5 of the storage container 4 only unlocks to another citrus fruit clear for the way down when the jaws 11 are in the starting position in which they can hold a fruit between them.
• the control device which is not further described here, also includes switching elements arranged at various points on the device, which trigger a machine stop, for example, when blocked by empty shells.

Landscapes

• Life Sciences & Earth Sciences (AREA)
• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Food Science & Technology (AREA)
• Polymers & Plastics (AREA)
• Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)

Priority Applications (2)

Applications Claiming Priority (2)

Publications (1)

Family

ID=6420400

Family Applications (1)

Country Status (10)

Families Citing this family (5)

Citations (4)

Family Cites Families (9)

• 1990
  • 1990-12-14 DE DE4040087A patent/DE4040087C1/de not_active Expired - Lifetime
• 1991
  • 1991-12-06 AR AR91321328A patent/AR247475A1/es active
  • 1991-12-09 PT PT99736A patent/PT99736B/pt not_active IP Right Cessation
  • 1991-12-10 DK DK91920737.3T patent/DK0515599T3/da active
  • 1991-12-10 DE DE91920737T patent/DE59101031D1/de not_active Expired - Fee Related
  • 1991-12-10 EP EP91920737A patent/EP0515599B1/de not_active Expired - Lifetime
  • 1991-12-10 ES ES91920737T patent/ES2049115T3/es not_active Expired - Lifetime
  • 1991-12-10 WO PCT/CH1991/000256 patent/WO1992010108A1/de not_active Ceased
  • 1991-12-10 AT AT91920737T patent/ATE101492T1/de not_active IP Right Cessation
  • 1991-12-10 US US07/916,147 patent/US5249515A/en not_active Expired - Lifetime
  • 1991-12-10 AU AU89338/91A patent/AU8933891A/en not_active Abandoned

Patent Citations (4)

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