DE102005042037B3 - Device for cutting up foodstuffs has changeover device with leg spring with first and second legs, both arranged on spring element with two coil springs - Google Patents

Abstract

The device has a slide path on which a material that is to be cut up to carry out a cutting process and at least one cutting blade, whereby a changeover device is provided that can be changed between a neutral position, in which at least the cutting edge of the blade is covered and/or lowered, and a cutting position in which it is not covered or lowered. The changeover device has a leg spring (1) with first and second legs (3,5), both arranged on a spring element (7) with two coil springs (9,11). An independent claim is also included for a cutting module for an inventive device.

Description

The The invention relates to a device for mincing foodstuffs with a slide on which to perform a crushing operation a commodity to be crushed is displaceable, and at least one Cutting knife, wherein a switching device is provided, the between a neutral position, in which at least the cutting edge the cutting blade is covered and / or sunk, and a cutting position, in which the cutting edge of the cutting blade is not obscured and not sunk, switched.

Out US 1 296 091 a device for crushing food is known, in which brings with the aid of a switching cam, a double-edged cutting blade depending on the direction of movement of a rest holder in cutting position. In this device springs are used as biasing elements.

Out DE 40 00 086 A1 For example, a torsion spring with a winding arrangement having extensions that extend from the ends of the winding assembly is known. Springs of this type are widely known as torsion springs or torsion springs and are often used as return springs.

at the use as a return spring between two mutually movably arranged components is usually one leg each of the leg spring on each of the two components arranged so that the spring is loaded when the two components be moved relative to each other. If the external force is lifted and the components are thus left to themselves, pushes the Leg spring the components back to the starting position. Here it is It has been shown that torsion springs are very durable, though they are loaded in the winding sense, leaving the outside the turns are claimed to train. Will the leg spring, however often strained against the sense of turns, it breaks quickly the thigh feather. The known torsion springs are therefore only suitable, a provision in a direction of rotation or in a direction of movement permanently to accomplish.

Out DE 103 24 943 A1 a device for resetting between a rotatable between two positions component is known. The device has a torsion bar which is capable of bringing the component into its center position. The torsion bar is non-rotatably connected to a substantially extending in the radial direction of the same and in series with the same spring element which is capable of bringing the component in its center position. The spring element is designed as a worm spring and has under continuous load also the mentioned disadvantages.

Out DE 25 02 962 A1 a double helical spring is known, which has two interconnected by a central web on train or pressure to be claimed coil springs. Such a spring is also off US 4,923,181 and from DE 696 04 946 T2 known.

It Therefore, the object of the present invention is a device for crushing food with a switching device which can also be used under continuous load.

The Task is by a device for crushing food solved, which is characterized in that the switching device a Leg spring with a first leg and with a second leg which are both arranged on a spring element, the two coil springs includes.

With Help of the use of the invention Leg spring makes it possible the rotatably and / or pivotally mounted components, both in Clockwise and counterclockwise are deflected, permanently reset without spring break in the starting position.

By The use of the leg spring can reduce the number of springs required be reduced overall. Some constructions are made by the Leg spring at all only possible.

In an advantageous embodiment the leg spring is at least one of the coil springs - preferably both - as cylindrical coil spring formed.

Especially can advantageously be used an embodiment in which the central axes the coil springs, around which the turns run, parallel are arranged to each other. Preferably, the center axes of Spaced coil springs from each other. Is particularly advantageous a variant in which the central axes of the coil springs to the around the turns run, both parallel to each other, as well as spaced from each other.

In a particularly advantageous embodiment, the coil springs are facing each other the Windungsaußenseiten side by side arranged.

advantageously, can be provided that the coil springs mirror-symmetrical are arranged to each other. In a particular embodiment the coil springs relative to each other in opposite directions Winding direction. This has the particular advantage that the Leg spring can be arranged such that, depending on the load direction the torsion spring is loaded the appropriate coil spring. hereby is effectively a Fehlbelastung (for example, contrary to Windungssinn) of the coil springs avoided.

In a variant of the leg spring have the longitudinal axes of the coil springs an angle different from 0 degrees to each other.

In a particular embodiment of the leg spring is a connecting element, provided that connects the two coil springs. This connecting element can for example be designed as a wire part. The connecting element can in a special variant itself as spring component, for example be designed as a wire spring or leaf spring.

In a very particularly advantageous embodiment of the leg spring the legs and the spring element are made together in one piece. For example, you can the legs and / or the spring element and / or the connecting element and / or the helical spring made of wire and / or of flat material be bent.

Preferably the connecting element and the coil springs are made together in one piece. In a particularly advantageous manner, the leg spring in a Reset device for a rotatable and / or pivotally mounted component can be used. in this connection it is advantageously possible the reset device such that the rotatably and / or pivotally mounted Component can be reset clockwise and / or counterclockwise is without causing permanent damage to the leg spring. It is particularly advantageous if the rotatable and / or pivotable component at least partially between the legs of the Leg spring is arranged.

Preferably the reset device is such formed in that the coil springs of the leg spring - preferably exclusively - in the winding sense be charged.

The rotatable and / or pivoting component, a pivot lever and / or be a rotary lever. In a particularly advantageous embodiment has the reset device at least one - preferably but two - thorn on, at least partially arranged in one of the coil springs is. That way store the leg spring particularly easy and flexible. In a particularly advantageous embodiment of the reset device according to the invention, are two mandrels provided, each at least partially in each one the coil springs are arranged. A return device of this type is very easy to set up because the leg spring only needs to be plugged on the two pins.

All particularly advantageous the reset device with the leg spring in the device for mincing food - in particular use a grater and / or a security rubbing in such a way that the rotatable and / or pivoting component of the switching lever a Safety device for folding out or folding in a cutting knife is.

The Device for chopping food has a slideway on, on to run a crushing operation a to be shredded Good displaced is. Furthermore, the device for crushing food a cutting blade, wherein a switching device provided is that between a neutral position in the at least the cutting edge the cutting blade is covered and / or sunk and a cutting position, in which the cutting edge of the cutting blade is not obscured and not sunk, switched. The switching device preferably has a leg spring according to the invention and / or a back part device according to the invention on.

The inventive device for crushing food has the advantage that the cutting edge the cutting blade or the cutting edges of the cutting blade preferably only immediately before the actual cutting process - that is, just before that good to be cut reaches the cutting blade - from a safe neutral position can be brought into the cutting position and preferably immediately after the cutting process disappears again into the safe neutral position. If the device is not in use, it can be used without further safety measures stored and stowed. When rooting in a messy kitchen drawer it is almost impossible to injure yourself on the cutting blades of the device. Also during the Use, the risk of injury is greatly minimized, as the cutting edge either in the safe neutral position or - during the actual cutting process - of the property to be cut is at least partially hidden.

In a preferred embodiment is the switching device by the material to be cut and / or actuated by a holder for holding the goods to be separated. For this purpose, the switching device may, for example, lever device (e.g. Shift lever) - the is preferably disposed between a leg spring according to the invention - include, the through the material to be cut and / or by a holder for that too cutting good is then automatically operated.

Preferably the slide has at least one guide for the material to be cut and / or for the holder of the good to be cut, the one to and fro on the slideway allows, however, a lateral slipping of the Good or the holder prevented. Preferably, the holder is made a direction perpendicular to the plane of the slideway coming in the guide latchable. For this purpose, for example, a locking mechanism or a snap mechanism may be provided.

Preferably Switches the switching device from the neutral position in the Cutting position to when the material to be cut and / or the holder the material to be cut a predetermined distance from the cutting blade below. In a variant, it is provided that the switching device switches from the neutral position to the cutting position when the material to be cut and / or the holder of the material to be cut reaches a predetermined position on the slide.

The Switching device preferably switches from the cutting position back to the neutral position, after the actual cutting process has ended. The switching device is preferably formed such that the cutting blade or the cutting edge during the return movement the material to be cut and / or the holder in the neutral position remains. This is a largely smooth and pleasant Back and forth movement allows. A possible Realization may consist in that the switching lever a ratchet function so that's at

burden from one side (trace) snaps and a rotary shaft, the mechanical Coupled with the cutting blade is moved while by a freewheel under load from the other side (return) no power transmission takes place on the rotary shaft.

Preferably Switches the switching device from the cutting position in the Neutral position around when the material to be cut and / or the holder the material to be cut another predetermined distance to Cutting knife exceeds. In a variant, the switching device switches from the cutting position to the neutral position, when the material to be cut and / or the holder of the material to be cut another predetermined position reached on the slide.

In a very particularly preferred embodiment switches the Switching device in dependence from the direction of movement - preferably only in the forward movement, in which a cut is made, but not during the return movement - the one to be cut Good and / or the owner of the property to be cut.

Preferably the at least one cutting blade is movable relative to the slide track is arranged. In this variant, the cutting blade is mechanical controlled to switch between the neutral position and the To achieve cutting position. It also possible, instead of the cutting knife the slide or parts of the slide for this purpose movable to design and to control. Moved in a particular embodiment the switching device for switching between neutral position and cutting position one - preferably formed as part of the slide - movable feed lip.

Preferably the slide is arranged on a base body, wherein in the Neutral position at least the cutting edge of the cutting blade through the main body hidden and / or sunk in this. In this position can the user safely with the fingers over the entire slide without hurting yourself.

In a particularly advantageous embodiment of the device is located the cutting edge of the cutting blade in the neutral position at height the area (for example, plane) in which the slideway lies. Preferably is the cutting edge of the cutting blade in the cutting position outside the area (for example, plane) in which the slideway lies.

to Setting the cutting thickness of the relative distance between the cutting edge and the slideway - related on the cutting position - is adjustable.

Preferably the switching device on a switching lever, at least partially protruding from the slide and / or from the leadership of the slide - and preferably arranged between the legs of a leg spring according to the invention is - for example, so that's over the slide shifted Good and / or the holder the switching lever moved during the move process.

In a preferred embodiment, the switching device to a transmission, which the to switch between neutral and cutting position transmits.

Preferably a spring device is provided which holds the cutting blade in the Neutral position holds. The switching device works in this variant when switching from the neutral position to the cutting position against the spring force at. Switching from the cutting position to the neutral position can preferably - after the mechanical release - through take the spring device.

In an embodiment is the cutting edge of the cutting blade arranged in the cutting position parallel to the slide. These Embodiment is used for example for cutting discs or for separating strips or cubes into one or more Alligator sections.

In In another embodiment, the cutting edge of the cutting blade is in the cutting position at an angle other than 0 degrees - preferably vertical - to Plane of the slide arranged. This embodiment can as Alligator be trained.

The Cutting knife may preferably as a V-knife and / or as a wave meter and / or as a knife bundle and / or be configured as a comb of alligator knives.

In a particular advantageous embodiment, at least one other Cutting knife provided. This can, for example, V-knife and / or be designed as a wave meter and / or as a knife bundle. Preferably is the other cutting knife as an alligator knife - for example Create stripes or cubes - executed. For this is that at least one other cutting knife than - preferably formed vertically standing on the slide knife bundle.

In a special embodiment switches the switching device and the at least one further cutting blade between a neutral position, in which at least the further cutting edge the further cutting blade is covered and / or sunk, and a cutting position in which the further cutting edge of the further cutting blade not hidden and not sunk to.

The However, at least one other cutting blade can also relative to Slideway be immovable.

Preferably this is at least one cutting blade and / or the at least one other cutting blades as part of a replaceable knife module is trained. This has the advantage that the user - depending on Application - between select differently configured knife modules. In addition, must not the entire device will be replaced when a cutting knife is worn out.

In a special variant, the switching device is at least Part of the interchangeable knife module.

In A particularly preferred embodiment is a rotating device for rotating the material to be separated and / or at least part of a Holder of a good to be cut provided. Preferably works the turning device automatically. It can be designed in such a way that the turning device the rotational position depending on the position of good to be separated and / or the holder of the good to be cut adjusted relative to the slide. Preferably, the rotating device rotates a product to be shredded in 90 degree increments around the slideway vertical axis of rotation turns. For example, in the forward movement of a Turn clockwise and reverse against rotation the clockwise - or vice versa - done.

In a particular embodiment is the device for chopping up food as a grater, especially as a cube grater, and / or is designed as a planer. In the cube grater that is to be crushed Good preferably first over a comb led by alligator knives, then rotated by 90 degrees about an axis of rotation perpendicular to the slide, over again a comb of alligator knives - preferably the same - out and finally with a parallel to the slide arranged cutting blade separated. Preferably, the cutting blade is only immediately before the last Phase (cut-off) of the switching device from a neutral position brought into a cutting position.

Preferably is the switching device and / or the return device and / or the leg spring at least partially part of a replaceable Knife module.

In the drawing of the subject invention is shown schematically and will be described with reference to the figures below, wherein the same acting elements are provided with the same reference numerals. there demonstrate:

1 a thigh feeder insertable in a food shredder the in perspective view,

2 the leg spring in side view,

3 the leg spring in the front view,

4 the leg spring from the back,

5 a schematic representation of the operation of the leg spring according to the invention when used as a return spring,

6 a schematic representation of the leg spring as a return spring,

7 an inventive device for mincing food in the neutral position and

8th an inventive device for mincing food in the cutting position.

1 shows a perspective view of a usable in a device for mincing food leg spring 1 , The thigh feather 1 has a first leg 3 and a second leg 5 on, with both legs on a spring element 7 are arranged. The spring element 7 has a first coil spring 9 and a second coil spring 11 on. Between the coil springs 9 . 11 is a. connecting element 13 as a wire part 15 is executed. Intended.

2 shows the in 1 illustrated leg spring in the side view. It is good to see that the leg spring is made in one piece from a wire and the second leg 5 in the second spring element 11 passes.

3 shows the leg spring in a front view. It is good to see that the central axes 17 . 19 the coil springs 9 . 11 around which the windings run, are parallel to each other and spaced from each other. This is also in 4 clearly shown. In 4 is also good to see that the coil springs relative to each other have an opposite direction of winding. Furthermore, the coil springs are arranged mirror-symmetrically to one another. The coil springs 9 . 11 are the Windungsaußen facing each other assigning juxtaposed.

5 shows the torsion spring in the frontal view in a position in which the second leg 5 from a moving component 21 is distracted.

When the force of the moving component 21 on the second leg 5 decreases, this is the spring action, in particular the second coil spring, the movable component 21 back to its initial position, which is shown in dashed lines in this figure, press.

In 6 is analogous to 5 shown that the leg spring 1 the movable component 21 can then push back into the starting position - without the risk of fatigue load - if this is deflected in the opposite direction of movement; depending on the direction of movement of the first leg 3 and the first coil spring 9 or from the second leg 5 and the second coil spring 11 ,

7 shows a device according to the invention 23 for crushing food with a slideway 25 on the for performing a crushing operation to be crushed Good 27 is displaceable and with a cutting knife 29 that has a cutting edge 31 having. The device 23 for comminuting food has a switching device 33 on that between a neutral position in the at least the cutting edge 31 the cutting blade is concealed and a cutting position in which the cutting edge 31 the knife is not covered, switches. In the neutral position is the cutting edge 31 through the main body 35 that the slipway 25 wears, covered. The good to be shredded 27 can by the user with a holder 37 over the slideway 25 be moved back and forth. The holder 37 has a spring-loaded pressure stamp 39 on, the to be shredded good 27 on the slide 25 suppressed. On the holder 37 is a rail 41 arranged in a non-inclined guide groove running along with the holder 37 is displaceable. The switching device 33 has a switching lever 43 on, around a rotation axis 45 is rotatably mounted. The switching lever 45 is - from a viewing direction from above - laterally next to the cutting blade 29 arranged. With regard to the viewing direction of the figure, the cutting blade is located 29 behind the switching lever 43 , Below the cutting blade 29 is a cam 47 arranged, which is also about the axis of rotation 45 is rotatable. The cam 47 is with the switching lever 43 mechanically coupled in such a way that this is the cutting blade 29 with the help of the joint 49 tilted, presses upwards into the cutting position when the switching lever 43 from the rail 41 when moving the holder 37 is moved from left to right. The then achieved interface position is in 8th illustrated. The switching lever 43 is between the first leg 3 and the second leg 5 a leg spring according to the invention 1 arranged. During the actual cutting process, the rail presses 41 the switching lever 43 against the power of the leg spring 1 down and thus over the cam 47 the cutting knife 29 upwards into the cutting position. After the User the holder 37 completely over the cutting blade 29 has shifted, the shift lever 43 automatically released and the sliding blade by the force of the leg spring 1 (through the second leg 5 ) pressed into the starting position. When moving back the holder 37 (according to the drawing from right to left) is the switching lever 43 against the first leg 3 the thigh feather 1 pressed. After complete passage of the rail 41 pushes the first leg 3 the thigh feather 1 the switching lever 43 back to the starting position, so that now a new cutting process can begin.

The The invention has been described in relation to a particular embodiment. It is, of course, that changes and modifications performed can be without departing from the scope of the following claims.

1

Leg spring

3

first leg

5

second leg

7

spring element

9

first coil spring

11

second coil spring

13

connecting element

15

wire part

17

central axis the first coil spring

19

central axes the second coil spring

21

portable component

23

contraption for crushing food

25

slipway

27

to crushing good

29

cutting blade

31

cutting edge

33

switching

35

body

37

holder

39

up punch

41

rail

43

Switching lever

45

axis of rotation

47

cam

49

joint

Claims (34)

Contraption ( 23 ) for comminuting foodstuffs with a slideway, on which a product to be comminuted is (for the purpose of carrying out a comminution process) 27 ) is displaceable, and with at least one cutting blade ( 29 ), wherein a switching device ( 33 ) provided between a neutral position, in which at least the cutting edge of the cutting blade ( 29 ) is concealed and / or recessed, and a cutting position in which the cutting edge ( 31 ) of the cutting blade ( 29 ) is not covered and not recessed, switches, wherein the switching device ( 33 ) a leg spring ( 1 ) with a first leg ( 3 ) and with a second leg ( 5 ), both on a spring element ( 7 ) are arranged, the two coil springs ( 9 . 11 ) includes. Contraption ( 23 ) according to claim 1, characterized in that at least one of the coil springs ( 9 . 11 ) is designed as a cylindrical coil spring. Contraption ( 23 ) according to one of claims 1 or 2, characterized in that both coil springs ( 9 . 11 ) are formed as cylindrical coil springs. Contraption ( 23 ) according to one of claims 1 to 3, characterized in that the central axes of the coil springs ( 9 . 11 ), around which the windings run, run parallel to each other. Contraption ( 23 ) according to one of claims 1 to 4, characterized in that the central axes of the coil springs ( 9 . 11 ) around which the windings pass are spaced apart from each other. Contraption ( 23 ) according to one of claims 1 to 5, characterized in that the coil springs ( 9 . 11 ) are arranged facing each other Windungsaußenseiten side by side. Contraption ( 23 ) according to one of claims 1 to 6, characterized in that the coil springs ( 9 . 11 ) are arranged mirror-symmetrically to each other. Contraption ( 23 ) according to one of claims 1 to 7, characterized in that the longitudinal axes of the coil springs ( 9 . 11 ) have an angle different from zero degrees to each other. Contraption ( 23 ) according to one of claims 1 to 8, characterized in that the coil springs ( 9 . 11 ) relative to each other have an opposite direction of winding. Contraption ( 23 ) according to one of claims 1 to 9, characterized in that a connecting element ( 13 ) the two coil springs ( 9 . 11 ) connects. Contraption ( 23 ) according to one of claims 1 to 10, characterized in that the legs and the spring element ( 7 ) are made in one piece - for example as a wire spring or as a leaf spring or as a plastic spring - in one piece. Contraption ( 23 ) according to one of claims 10 or 11, characterized in that the connecting element ( 13 ) and the coil springs ( 9 . 11 ) are made together in one piece. Contraption ( 23 ) according to one of claims 1 to 12, characterized in that the legs and / or the spring element ( 7 ) and / or the connecting element ( 13 ) and / or the coil springs ( 9 . 11 ) are bent from wire. Contraption ( 23 ) according to one of claims 1 to 13, characterized in that the switching device ( 33 ) a return device for a rotatably and / or pivotally mounted component ( 21 ) and that the leg spring ( 1 ) Is part of the reset device. Contraption ( 23 ) according to claim 14, characterized in that the component ( 21 ) is reset in a clockwise and / or counterclockwise direction. Contraption ( 23 ) according to one of claims 14 or 15, characterized in that the component ( 21 ) at least partially between the legs of the leg spring ( 1 ) is arranged. Contraption ( 23 ) according to one of claims 14 to 16, characterized in that the coil springs - preferably exclusively - are loaded in the winding sense. Contraption ( 23 ) according to one of claims 14 to 17, characterized in that the component ( 21 ) is a pivot lever and / or a rotary lever. Contraption ( 23 ) according to one of claims 14 to 18, characterized in that the restoring device comprises at least one mandrel which is at least partially disposed in one of the coil springs. Contraption ( 23 ) according to one of claims 14 to 19, characterized in that the restoring device has two - preferably mutually parallel - spines, each at least partially in each one of the coil springs ( 9 . 11 ) are arranged. Contraption ( 23 ) according to one of claims 14 to 20, characterized in that the component ( 21 ) a switching lever of the device ( 23 ) for mincing food. Contraption ( 23 ) according to one of claims 1 to 21, characterized in that the switching device ( 33 ) by the material to be cut and / or by a holder ( 37 ) is operable to hold the material to be separated. Contraption ( 23 ) according to one of claims 21 or 22, characterized in that the switching lever ( 43 ) at least partially from the slideway ( 25 ) and / or a guide of the slideway ( 25 ) stands out. Contraption ( 23 ) according to one of claims 21 to 23, characterized in that the switching lever ( 43 ) at least partially between the legs of the leg spring ( 1 ) is arranged. Contraption ( 23 ) according to one of claims 1 to 24, characterized in that the switching device ( 33 ) depending on the direction of movement of the material to be cut and / or the holder ( 37 ) of the material to be cut switches. Contraption ( 23 ) according to one of claims 1 to 25, characterized in that the at least one cutting blade ( 29 ) relative to the slideway ( 25 ) is movably arranged. Contraption ( 23 ) according to one of claims 1 to 26, characterized in that the slideway ( 25 ) on a base body ( 35 ) is arranged and that in the neutral position at least the cutting edge ( 31 ) of the cutting blade ( 29 ) through the main body ( 35 ) is concealed and / or sunk in this. Contraption ( 23 ) according to claim 27, characterized in that the cutting edge ( 31 ) of the cutting blade ( 29 ) in the neutral position in the area (for example, plane) in which the slideway ( 25 ) lies. Contraption ( 23 ) according to one of claims 1 to 28, characterized in that the cutting edge ( 31 ) of the cutting blade ( 29 ) is in the cutting position outside of the surface (for example, plane) in which the slideway ( 25 ) lies. Contraption ( 23 ) according to one of claims 1 to 29, characterized in that the switching device ( 33 ) for switching between neutral position and cutting position one - preferably as part of the slideway ( 25 ) - trained - moving feed lip moves. Contraption ( 23 ) according to one of claims 1 to 30, characterized in that the at least one cutting blade ( 29 ) is formed as part of a replaceable knife module. Contraption ( 23 ) according to one of claims 1 to 31, characterized in that the switching device ( 33 ) and / or the return device and / or the leg spring ( 1 ) is at least partially part of a replaceable knife module. Contraption ( 23 ) according to one of claims 1 to 32, characterized in that the device ( 23 ) are designed for comminuting food as a grater and / or as a planer. Cutting module for a device ( 23 ) for mincing food according to any one of claims 1 to 33.