Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
  • B67D1/00—Apparatus or devices for dispensing beverages on draught
  • B67D1/0001—Apparatus or devices for dispensing beverages on draught by squeezing collapsible or flexible storage containers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
  • B67C9/00—Devices for emptying bottles, not otherwise provided for
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
  • B67D1/00—Apparatus or devices for dispensing beverages on draught
  • B67D1/0003—Apparatus or devices for dispensing beverages on draught the beverage being a single liquid
  • B67D1/0004—Apparatus or devices for dispensing beverages on draught the beverage being a single liquid the beverage being stored in a container, e.g. bottle, cartridge, bag-in-box, bowl
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
  • B67D1/00—Apparatus or devices for dispensing beverages on draught
  • B67D1/08—Details
  • B67D1/0878—Safety, warning or controlling devices
  • B67D1/0882—Devices for controlling the dispensing conditions
  • B67D1/0884—Means for controlling the parameters of the state of the liquid to be dispensed, e.g. temperature, pressure
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
  • B67D1/00—Apparatus or devices for dispensing beverages on draught
  • B67D1/08—Details
  • B67D1/0889—Supports
  • B67D1/0891—Supports for the beverage container
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
  • B67D1/00—Apparatus or devices for dispensing beverages on draught
  • B67D1/08—Details
  • B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
  • B67D1/125—Safety means, e.g. over-pressure valves
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
  • B67D1/00—Apparatus or devices for dispensing beverages on draught
  • B67D1/08—Details
  • B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
  • B67D1/1202—Flow control, e.g. for controlling total amount or mixture ratio of liquids to be dispensed
  • B67D1/1234—Flow control, e.g. for controlling total amount or mixture ratio of liquids to be dispensed to determine the total amount
  • B67D1/1243—Flow control, e.g. for controlling total amount or mixture ratio of liquids to be dispensed to determine the total amount comprising flow or pressure sensors, e.g. for controlling pumps

Definitions

• the present invention relates to an apparatus and a method for emptying containers.
• Various devices and methods for emptying containers are known from the prior art.
• gas is applied to the interior of a container so as to be able to remove the liquid from the container.
• the containers are clamped between two holding devices and is squeezed by moving toward each other, the container so as to be able to remove the liquid from the container can.
• the present invention is therefore based on the object to provide a comparison with the prior art simplified type of pressure measurement or a pressure-based regulation of the drive means for such dispensers.
• This object is achieved by the subject of the independent claims.
• Advantageous embodiments and further developments are the subject of the dependent claims.
• a device for emptying containers has a first holding device, which is suitable for holding a first region of a container to be emptied. Furthermore, the device has a second holding device, which is suitable to hold a second region of the container to be emptied, wherein the second region is spaced from the first region. Furthermore, a movement device is provided, which is suitable for connecting the first holding device to the second holding device. direction to compress the container located between the first holding device and the second holding device. Furthermore, the device has a removal device, which has a flow connection to the interior of the container and / or produces and over which liquid in the container can be removed as a result of compression of the container. Furthermore, the device also has a drive device which drives this movement device and a control device which controls the relative movement of the one holding device relative to the other holding device or the removal of the liquid via the removal device in dependence on an internal pressure within the container.
• control device is designed such that it controls the relative movement of one holding device relative to the other holding device as a function of a drive torque of the drive device, in particular a drive torque acting on the movement device and in particular a drive torque of the drive device acting on at least one component of the movement device ,
• control device has a detection device which detects a drive torque of the drive device acting on the movement device.
• the drive device can be controlled.
• an effect or further force generated by this drive torque it would also be possible for an effect or further force generated by this drive torque to be used to switch or control the drive device.
• the internal pressure in the container is no longer measured directly, but a different size, which, however, is directly related to this internal pressure.
• the said drive torque of this drive rotating device is namely a direct measure of the internal pressure in the container. In other words, a simple possibility is created to determine the pressure in the container very precisely, namely via the torque with which a drive motor or a drive device compresses the container.
• the dispensing system for example, a torque arm can be provided on the drive device.
• the drive device can be screwed Otherwise, the drive device could rotate around the drive axle.
• this detection device does not necessarily have to detect absolute force values, but relative values, for example an increase in pressure or torque to a specific value, may be sufficient.
• the drive device is arranged on a movable carrier and the drive torque is detectable via a movement of this carrier and / or the control device is designed such that it controls the relative movements of the holding devices to each other in dependence on a movement of the carrier.
• a force measuring device can be arranged on this movable carrier. Now, if this carrier moves due to a change in the drive torque, this can be detected via the force measuring device.
• This carrier can thus be a torque-supported, in which, for example, a force sensor can be installed.
• the drive device which is in particular an electric motor, is preferably freely rotatably mounted and the carrier on which the drive device is mounted presses against a force sensor. This measures the necessary force for compressing the container.
• the pressure in the container can be measured and regulated.
• the drive device when a certain torque is exceeded, the drive device can be stopped. When falling below a second (lower) torque (for example, during the pin), the drive device starts again.
• Such force sensors preferably use the elastic deformation of spring elements and can work, for example, with strain gauges, piezoelectrically or with electrical resistors, which change with elastic elongation.
• the carrier it would also be possible for the carrier to which the drive means is located to directly actuate a shifter so that the drive torque is not directly measured but, for example, the motor is turned on or off in response to increased drive torque. It would be possible for the carrier to compress a spring with a defined spring constant when loaded.
• the carrier can press on a simple electrical switch (push button), which interrupts the power supply to the drive device. If the torque decreases again because it is tapped, the switch is released again and the motor turns again.
• a suitable gear is preferably arranged in the drive device, as a result of which the system becomes self-locking. That is, even when the engine is de-energized, the pressure in the container does not disperse the two retainers.
• the movement device has a first drive spindle whose rotational movement causes a movement of a holding device relative to the other holding device.
• This drive spindle can cause a very favorable force reduction.
• the drive device is coupled via a power transmission means with the first drive spindle.
• This power transmission means may, for example, be a toothed belt, on which, on the one hand, the drive device engages and, on the other hand, also the spindle (s) driven by the drive means.
• a circulating chain means or the like could be provided as a power transmission means.
• the detection device detects a force acting on the force transmission means. This also indirectly determines a torque of the drive device or of the motor.
• the movement device has a second drive spindle whose rotational movement causes a movement of the one holding device. causes compared to the other holding device. In this way, the applied forces can be better distributed to the container.
• a rotational movement of the second drive spindle is coupled to a rotational movement of the first drive spindle.
• the said rotational movements are coupled via the power transmission means and are preferably driven together.
• a third drive spindle is also provided, whose rotational movement causes a movement of a holding device relative to the other holding device.
• a total of three drive spindles are provided in this embodiment, which cause the relative movement of the two holding devices relative to each other.
• the first holding device is provided for holding a bottom region of the container and the second holding device for holding a mouth region of the container.
• the holding devices are arranged such that the container can be arranged upright with the mouth pointing upwards between them.
• At least one holding device preferably has a stamp element which has a smaller cross-section than a base body of the container. In this way, the container can be emptied such that a portion of the container is rolled into a second region of the container.
• the removal device has a piercing device for piercing at least one wall of the container or a container closure of the container.
• the removal device is particularly preferably arranged in one of the two holding devices and in particular those holding device which carries the mouth region of the container.
• the device has a switching device which switches the drive device as a function of a drive torque detected by the detection device and / or a torque applied by the drive device.
• the switching device preferably also causes the drive device to be switched on or off in response to an internal pressure within the container.
• This switching device may, for example, also be a regulator which regulates the drive device as a function of the measured drive torque.
• a mechanical switch or a force sensor whose output signal is used to control or switch on and off the drive device.
• the present invention is further directed to a method for emptying containers, wherein a container between a first holding device, which receives a first predetermined area of the container, and a second holding device, which receives a second predetermined area of the container, and the first Holding device and the second holding device are delivered to each other to compress the container arranged between these holding devices.
• a feed movement of the holding devices towards one another is effected by a drive device and controlled in dependence on a drive torque applied to the drive device.
• the internal basis pressure in the container is not used directly as the basis of evaluation or reference for the emptying of the containers, but rather a resulting variable, namely the drive torque of a drive device.
• At least one force occurring in a power transmission line between the drive device and the holding device that is at least indirectly driven by this drive device is measured.
• Fig. 2 is a plan view of a device according to the invention.
• Fig. 3 is an illustration of a device according to the invention in another
• Fig. 4 is an illustration of a device according to the invention in another
• Fig. 5a is a diagram illustrating a relationship between a driving torque and a container pressure
• Fig. 5b is a diagram illustrating measurements of a relationship between a torque and a container pressure.
• FIGS. 1 a to 1 c show three lateral representations of a device 1 according to the invention.
• a container 10 is provided, which is arranged between a first holding device 2 and a second holding device 4.
• the holding device 2 serves to receive a mouth region 10a of the container including a closure 10c of the container and the holding device 4 serves to receive a bottom region 10b (this is hidden).
• the second holding device 4 is moved upward and thus delivered to the first holding device 2.
• liquid can be removed from the container via a removal device 40, which in particular has a withdrawal tube 42.
• Reference numerals 32 and 34 designate two drive spindles, the rotation of which causes a movement of the second holding device 4 upwards.
• a third spindle is also present, which is not recognizable in the figures.
• the reference numeral 8 denotes a drive device, in particular a drive motor, which drives the spindles 32 and 34 here via gears 33 and 35 and a drive belt 24, which serves here as a force transmission means.
• Fig. 1 b shows the device of Fig. 1 a in a further operating state.
• the second holding device 4 is already at half height with respect to the spindles 32 and 34 and thus the container 10 already partially rolled.
• the first holding device 2 has a punch 26 whose cross-section is smaller than a cross-section of the container so that the mouth region can be rolled into the container with the closure 10c. In this way, a very extensive emptying of the container is possible.
• Fig. 2 shows a plan view of a device according to the invention in a first embodiment. It can be seen here again, the container 10 with a container closure 10c. In addition, three drive spindles 32, 34 and 36 can be seen, which are each coupled to gears 33, 35 and 37. These gears are driven by the rotating power transmission means 24, which is designed here as a toothed belt.
• the reference numeral 8 denotes a drive device and the reference numeral 9 a gear, via which a drive gear 18 is driven, which in turn drives the power transmission means 24.
• a torque detection can be provided within the drive device 8, for example, a drive torque can be detected via a rotary encoder or via a current measuring device, which detects a current that is required to drive the drive device 8.
• a control device can control the drive device 8 as a function of this drive torque. In this case, the control can be performed such that the drive torque (and thus also the pressure within the container) are always within predetermined limits.
• the reference numeral 6 refers to the control device in its entirety, which controls the relative movement of a holding device relative to the other holding device. This control device preferably controls the drive device 8.
• the reference numeral 20 designates in its entirety the movement device, which for achieving the relative movement between the first holding device 2 and the second Holding device 4 is used.
• This movement device 20 preferably has the entire drive train from the actual drive device to at least one holding device, ie in particular also the force transmission means and the drive spindles.
• the drive torque of the drive device is preferably determined via the effect of this drive torque on at least one element of the said drive train.
• Fig. 3 shows another embodiment of the present invention.
• the three drive spindles are provided, which cause the emptying of the container or to place the holding devices on each other.
• a force measuring device or a sensor device 62 is provided.
• This may be, for example, an electric force sensor, such as a piezoelectric element or a strain gauge.
• the reference numeral 28 denotes a carrier, by means of which the drive means 8 is pivotally mounted here. With an increase in the drive torque or an increase in the force required to compress the container, this carrier 28 would, as illustrated by the arrow, pivot to the left and load the force measuring device 62 accordingly.
• the reference numeral 66 denotes a control device which regulates the motor or the drive device 8 in response to a signal output by the force measuring device 62.
• the elements described here represent the control device 6 in their entirety.
• Fig. 4 shows a further embodiment of the device according to the invention, in which case a comparatively simple force switch is provided.
• a suspension device 72 is provided which pretensions the carrier 28 in FIG. 4 against the direction of the arrow, that is to the right.
• the carrier 28 With an increase of the drive torque, the carrier 28 will pivot back to the left and can trigger a circuit device 74 in this case and thus shut down the drive device 8, for example.
• the switch 74 can be closed again and the engine is operated further.
• an electrical force sensor which has a measuring range between 0 and 2 kN.
• the lever length of the carrier 28 was selected at 10 mm.
• the three spindles 32, 34 and 36 press the container 10, wherein an inclination of the spindles advantageously between 2 mm and 10 mm, particularly vor- At least between 3 mm and 8 mm and more preferably between 4 mm and 6 mm.
• the drive takes place here, as shown, via the power transmission device or the toothed belt 28 without further translation. In this way, the torque was determined at different pressures within the containers to hold the pressure in the container on the one hand and on the other hand to increase it or to hold against a pressure relief valve during pressing.
• the pressure within the container by means of a torque on the drive spindles 32, 34, 36 and the drive means, determined and / or regulated.
• an electrically measuring force measuring system is provided, whose evaluation and control takes place.
• FIGS. 5a and 5b schematically illustrate the relationships between the measured force and the container pressure.
• a measuring device such as the measuring device 62 (see Fig. 3)
• the force and thus the torque can be determined, which is required to roll the container under pressure and to keep the pressure within the rolled-up container.
• the tensile force (FZ) on the container results as follows:
• FZ (M * 2 * TT): (S * ⁇ ) M denotes the torque, S the spindle pitch and ⁇ the spindle efficiency.
• Fig. 5a shows the relationship between the tank pressure and the torque.
• the left-hand illustration illustrates the conditions for the holding torque and the right-hand depiction 5b the conditions for the force on the container.
• the measuring device 62 for example voltage values
• the force when rolling the container is significantly higher than the holding force or the theoretical force. This is due to the efficiency of the spindles and the force needed to force the air through a pressure relief valve to keep the pressure constant.
• the voltage increase on the force sensor was 145 mV / bar.
• the voltage can be accurately determined with a corresponding structure at a pressure of 2.5 bar to about 20 mV. This corresponds to a pressure change of approx. 140 mbar at this pressure.
• the pressure can be regulated precisely to 0.14 bar.
• this accuracy can be further increased.

Landscapes

• Sealing Of Jars (AREA)
• One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
• Force Measurement Appropriate To Specific Purposes (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=51399671

Family Applications (1)

Country Status (9)

Families Citing this family (9)

Citations (2)

Family Cites Families (12)

• 2013
  • 2013-08-27 DE DE102013109265.9A patent/DE102013109265A1/de not_active Withdrawn
  • 2013-12-03 CN CN201320787593.1U patent/CN203877890U/zh not_active Withdrawn - After Issue
  • 2013-12-03 CN CN201310641503.2A patent/CN104418278B/zh not_active Expired - Fee Related
• 2014
  • 2014-08-27 WO PCT/EP2014/068198 patent/WO2015028525A1/de active Application Filing
  • 2014-08-27 AU AU2014314189A patent/AU2014314189B2/en not_active Ceased
  • 2014-08-27 RU RU2016104425A patent/RU2016104425A/ru not_active Application Discontinuation
  • 2014-08-27 US US14/914,020 patent/US10011471B2/en not_active Expired - Fee Related
  • 2014-08-27 EP EP14755699.7A patent/EP3038972A1/de not_active Withdrawn
  • 2014-08-27 CA CA2921930A patent/CA2921930A1/en not_active Abandoned
• 2016
  • 2016-02-22 ZA ZA2016/01172A patent/ZA201601172B/en unknown

Patent Citations (3)

Non-Patent Citations (1)

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