EP4584190A1 - Vorrichtung und verfahren zum vereinzeln von teilen - Google Patents
Vorrichtung und verfahren zum vereinzeln von teilenInfo
- Publication number
- EP4584190A1 EP4584190A1 EP23765197.1A EP23765197A EP4584190A1 EP 4584190 A1 EP4584190 A1 EP 4584190A1 EP 23765197 A EP23765197 A EP 23765197A EP 4584190 A1 EP4584190 A1 EP 4584190A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- parts
- locking member
- actuator
- transport
- locking
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
- B65G47/26—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles
- B65G47/28—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles during transit by a single conveyor
- B65G47/29—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles during transit by a single conveyor by temporarily stopping movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
- B65G47/26—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles
- B65G47/28—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles during transit by a single conveyor
- B65G47/29—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles during transit by a single conveyor by temporarily stopping movement
- B65G47/295—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles during transit by a single conveyor by temporarily stopping movement by means of at least two stopping elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
- B65G21/20—Means incorporated in, or attached to, framework or housings for guiding load-carriers, traction elements or loads supported on moving surfaces
- B65G21/2027—Suction retaining means
- B65G21/2036—Suction retaining means for retaining the load on the load-carrying surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/88—Separating or stopping elements, e.g. fingers
- B65G47/8807—Separating or stopping elements, e.g. fingers with one stop
- B65G47/8823—Pivoting stop, swinging in or out of the path of the article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/88—Separating or stopping elements, e.g. fingers
- B65G47/8876—Separating or stopping elements, e.g. fingers with at least two stops acting as gates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/88—Separating or stopping elements, e.g. fingers
- B65G47/8876—Separating or stopping elements, e.g. fingers with at least two stops acting as gates
- B65G47/8884—Stops acting asynchronously, e.g. one stop open, next one closed or the opposite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/047—Articles manipulated as bulk
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
- B65G2203/044—Optical
Definitions
- test items are continuously subjected to testing for quality assurance in order to detect properties and/or defects of the test items.
- the test items can be closures of containers, containers or bottles or so-called preforms, which are produced in large quantities and are generally fed to an optical testing device lying next to one another via a storage section using a conveyor.
- Detectable errors can be, for example, dimensional errors, material defects and color errors, whereby the optical inspection is usefully carried out on individual test items.
- a separating device can be provided between the accumulation section and the optical testing device, so that a recording can be made of the isolated test specimens that can be evaluated by a processing device in order to detect defective test specimens.
- Devices for separating parts are already known.
- the use of a star wheel with several fingers which dip into objects that are open at the top is known.
- By setting the By rotating the star wheel relative to the feed speed of a conveyor belt it is possible to create a gap of adjustable size between the objects behind the star wheel, ie to separate the objects.
- pocket wheels arranged on both sides of the transport direction with pockets arranged along the circumference are known, which can be brought into engagement with the test objects.
- the pocket wheels are rotated synchronously in opposite directions, with the peripheral speed being lower relative to the speed of the conveying means, so that the test objects that can be picked up can be individually transported further.
- CH 704 843 Another principle for separating, conveying and buffering adjacent parts is known from CH 704 843.
- objects are separated by means of a plurality of rocker-like pivoting locking members arranged in a row along a conveyor path.
- the objects conveyed by means of a frictional connection cause the locking elements to rock, i.e. the locking elements are moved passively and therefore without a drive.
- the locking element When an object leaves it, it deflects the locking element in such a way that a subsequent object is stopped. If the previous object has left the effective range of the blocking element, the blocking element carries out a countermovement so that the stop is canceled.
- the device for separating can therefore also be combined with an inspection of the parts. Based on an adjustable and possibly controllable separation of the parts using the separation device, an optical and/or electrical test for detecting defective parts can be carried out easily and safely in the periphery of this device. However, errors in conveyance can also be detected and resolved and/or the number of isolated parts can be determined using the Separating device can be detected. A method for separating parts is also described.
- the locking arrangement comprises rocker-like locking members arranged on both sides of the transport path, i.e. a first locking member and an oppositely arranged second locking member, which can be actuated synchronously by means of one or more actuators.
- the first locking member and the second locking member act like pliers, which in the first position are more or less closed to an advancing part, so that the part pushing or advancing between the locking members is held back.
- This position of the locking members is referred to below as the first position or locking position and, according to one embodiment, can be actively switched and in particular released by the actuator.
- the advancing part In a holding position defined as the second position, the advancing part is in the effective areas of the locking members.
- the duration of these positions can be defined and adjusted using the control unit via the actuator circuit. If the locking members are pivoted into a third position, i.e. a release position, through the interaction with the actuator, the part located in the effective areas is released. The locking members assume the same position in the third position as in the first position.
- Active execution of the pivoting movement by the actuator(s) allows the pivoting movement to be switched independently of the prevailing pressure of the accumulated parts. Accordingly, a homogeneous separation of the parts to be conveyed is possible, which also tolerates gaps and/or disturbances in the accumulation section.
- disruptions to the flow of parts can occur, especially upstream of the separating device, for example due to parts that do not conform to the specification. This can be detectable, for example, using sensors.
- Active control of the pivoting movement of the locking element by the switchable actuator allows possible blockages to be solved.
- a jam in the device or in the inlet area of the device can be cleared by actively pivoting the at least one locking member into an open position or the second position until the jam has cleared.
- the electromagnet can be supplied with alternating voltage, rectified alternating voltage or with pulses generated from direct voltage and thus exert a periodically changing force on the medium.
- the at least one rocker-like locking member is pivoted accordingly.
- the locking member can be moved by the switchable electromagnet that can be arranged laterally, with the at least one rocker-like and pivotable locking member being pivoted into the first or third position or into the second position. When the electromagnet is switched off or de-energized, the locking member pivots in the opposite direction.
- the actuator can also be designed as a mechanical actuator.
- This can include a movable plunger, which can be moved in the direction of the locking member.
- one end of the locking member can rest on the displaceable plunger and can be moved with it in such a way that it can be adjusted into the first or third position and the second position.
- the actuator can be designed to cause the pivot axis of the at least one locking member of the locking arrangement to pivot via an activated rotation.
- a conceivable variant for such an actuator is an electric motor.
- the actuator can be controlled and brought into intermediate positions and/or end positions by a controller and a control method with adaptive functions in a closed control loop or an open control path.
- a controllable circuit of the actuator for example the electromagnet, not only the position of the rocker-like locking element can be actively determined, but also via the clock of the circuit Separation can be clocked and/or the distance between separated parts can be adjusted.
- the locking element can advantageously strike the actuator in a damped manner.
- a magnetic field can be set such that the movement of the locking member in the direction of the actuator is braked.
- the actuator can be switched to hold the locking member in the first position, the locking position, for an adjustable holding period, with the transport of the parts through the device being stopped. Furthermore, the actuator can be switchable to hold the locking member in the second position, the holding position, for an adjustable holding period, with a part received in the effective range of the locking member being held in place.
- the number of pivoting movements actively caused by the actuator can be recorded using a sensor. This makes it possible to easily record the number of parts that pass through the device for separating parts based on the number of switching operations of the actuator. Furthermore, it proves to be advantageous that counting the parts passing through the separating device allows transport boxes etc. to be filled precisely, for example the flow of parts can be diverted or fed to a buffer device when a certain number of parts has been reached.
- the transport device which conveys parts to, through and out of the separating device, comprises at least one transport means designed as a belt conveyor.
- the belt conveyor can have a conveyor belt, round belt or other rotating means of transport that are suitable for transmitting driving forces to the parts to be conveyed by means of frictional forces.
- the belt conveyor is preferably designed as a vacuum belt conveyor.
- a vacuum belt conveyor increases the contact pressure of the parts on the surface of the transport means or conveyor belt and stabilizes the position of the parts to be conveyed. The slip between the surface of the conveyor belt and the parts to be conveyed can thus be increased, which is advantageous for the design of the transport device. It is conceivable that only a section of the transport path, in particular the area corresponding to the effective range of the locking member, is designed as a vacuum conveyor. Alternatively or additionally, compressed air delivery can also be provided at least in the inlet area of the transport device, for example in the accumulation section.
- the transport means should be designed accordingly for friction-reduced transport, at least in the area of the accumulation section.
- vacuum conveying or coating the transport level is suitable.
- lateral boundaries running in the transport direction can be arranged parallel to one another above the transport path in such a way that the parts are preferably guided on opposite sides of the lateral surface of the parts. This makes it possible to avoid individual parts deviating from the single-row arrangement due to the prevailing dynamic pressure.
- the arrangement, the shape or the dimension of the at least one rocker-like locking member can be perpendicular to the transport direction the shape or length of the parts can be adjusted.
- By adapting the arrangement and/or shape of the locking member it is possible to easily adapt the separating device to different parts. In this way, the flexibility of the separating device for parts with different dimensions can be further improved.
- Tall parts have an elongated shape along their axis, so that they protrude at a certain height above the surface of the means of transport.
- An adjustment or a correspondingly higher positioning or an arrangement above the transport device of the at least one locking member also allows secure separation for this tall part shape through a correspondingly enlarged contact area.
- the actuator can be switched in such a way that at least one of the parts is at a standstill during a definable holding period.
- This state can be used to close any gaps that may be detected in the flow of parts.
- This generated and adjustable standstill during an adjustable holding period can also be used to carry out an optical inspection and/or an electrical inspection of the parts for defects using one or more testing devices.
- the holding period that can be set using the actuator can be adapted to the requirements of the test method used, or the test can be timed with the isolation or pivoting movement of the locking element.
- the test can be selected from a variety of test methods, In particular, it is an optical test method and/or a high-voltage test.
- the optical inspection of the parts can preferably be based on a photograph of the part, which is taken using an image recording device.
- the recording can then be evaluated by a processing device in such a way that defective parts are detected.
- the performance of a closure or a container can be checked through a comprehensive optical inspection, for example the integrity of a guarantee band, a closure thread and/or a sealing element can be checked.
- the conveyed part may be subjected to an electrical test to detect holes and/or cracks.
- a high-voltage test is suitable for this.
- the high-voltage test can be carried out by applying a pulse-shaped voltage from a voltage source.
- a correspondingly designed testing device comprises an electrode arrangement with an upper electrode arranged above the transport plane and a lower electrode arranged below the transport plane, between which a discharge gap is formed. An applied test voltage is greater than or equal to the breakdown voltage between the electrodes in air, but smaller than the breakdown voltage through a faultless part between the electrodes.
- a transport means designed as a conveyor belt has holes or openings which are arranged at a certain distance from one another in the transport direction.
- a vacuum belt conveyor has such holes. These holes or openings are designed and arranged in such a way that during the high-voltage test, the discharge path between the upper electrode and the lower electrode runs through one of the holes or openings and therefore not through a potential insulator, for example the conveyor belt.
- identified defects for example microholes and/or microcracks detected during a high-voltage test, can be recorded in statistics and combined with the results of other test methods.
- Defective parts can be assigned to their injection molding cavity in the tool and targeted correction is possible at an early stage.
- the present invention also relates to a method for separating parts, for example rotationally symmetrical closures, containers and/or preforms, which can advantageously be carried out using the separating device according to the invention.
- the method includes transporting parts along a transport path by means of a transport device, whereby the parts can be arranged in a single row and lying next to one another along a storage path in front of the device.
- the method includes pivoting a rocker-like locking member into a first position by means of an actuator, which locking member extends with a length along the transport direction and defines an effective range for the parts, with a part being prevented from entering the effective range, pivoting into a second Position in which the entering part can be received into the effective area, and pivoting of the rocker-like locking member into a third position, which corresponds to the first position, the path for the part being cleared in the transport direction. This leaves the effective range of the locking member at a distance from the previous part.
- Figure 1 is a schematic perspective view of a device according to the invention for separating parts
- the transport means 12 can have belt conveyors, vacuum belt conveyors or the like in order to convey the parts 2 in the transport direction 11 along the transport path 16. Details of the transport means 12 such as the support structure, drive unit and/or deflection unit for a conveyor belt and possibly a sliding plate are not shown for the sake of clarity.
- a negative pressure or a vacuum can preferably be applied, which acts on the parts 2 via slots or openings 18 in the transport means 12.
- the openings 18 also prove to be advantageous with regard to an electrical test, since, for example, an insulator conveyor belt is eliminated during a high-voltage test.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Special Conveying (AREA)
- Feeding Of Articles To Conveyors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH001041/2022A CH720019A2 (de) | 2022-09-08 | 2022-09-08 | Vorrichtung und Verfahren zum Vereinzeln von Teilen. |
| PCT/EP2023/073934 WO2024052210A1 (de) | 2022-09-08 | 2023-08-31 | Vorrichtung und verfahren zum vereinzeln von teilen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4584190A1 true EP4584190A1 (de) | 2025-07-16 |
Family
ID=87933896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23765197.1A Pending EP4584190A1 (de) | 2022-09-08 | 2023-08-31 | Vorrichtung und verfahren zum vereinzeln von teilen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20260077960A1 (de) |
| EP (1) | EP4584190A1 (de) |
| CN (1) | CN119855773A (de) |
| CH (1) | CH720019A2 (de) |
| WO (1) | WO2024052210A1 (de) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57189923A (en) * | 1981-05-14 | 1982-11-22 | Nissan Motor Co Ltd | Parts delivery apparatus |
| JP2603601Y2 (ja) * | 1993-08-18 | 2000-03-15 | 株式会社フジシール | ワークの停止装置 |
| CH704843A1 (de) | 2011-04-18 | 2012-10-31 | Soudronic Ag | Lineare Fördereinheit für Objekte sowie Verfahren zur Separierung von Objekten mit einer solchen. |
| DE102013014473B4 (de) * | 2013-08-29 | 2021-04-15 | INTRAVIS Gesellschaft für Lieferungen und Leistungen von bildgebenden und bildverarbeitenden Anlagen und Verfahren mbH | Prüfvorrichtung für Gefäße |
| CN111268403B (zh) * | 2020-04-03 | 2024-03-01 | 上海微松工业自动化有限公司 | 一种物料精确定位的分料装置及其分料方法 |
| CN214298006U (zh) * | 2020-12-31 | 2021-09-28 | 福优特(洛阳)智能装备有限公司 | 一种圆锥圆柱深沟球轴承内圈上料防反机构 |
-
2022
- 2022-09-08 CH CH001041/2022A patent/CH720019A2/de unknown
-
2023
- 2023-08-31 EP EP23765197.1A patent/EP4584190A1/de active Pending
- 2023-08-31 CN CN202380064595.4A patent/CN119855773A/zh active Pending
- 2023-08-31 WO PCT/EP2023/073934 patent/WO2024052210A1/de not_active Ceased
- 2023-08-31 US US19/109,464 patent/US20260077960A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH720019A2 (de) | 2024-03-15 |
| CN119855773A (zh) | 2025-04-18 |
| WO2024052210A1 (de) | 2024-03-14 |
| US20260077960A1 (en) | 2026-03-19 |
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