EP3941644A1 - Système de mise en mouvement d'une buse d'application d'un produit - Google Patents
Système de mise en mouvement d'une buse d'application d'un produitInfo
- Publication number
- EP3941644A1 EP3941644A1 EP20711610.4A EP20711610A EP3941644A1 EP 3941644 A1 EP3941644 A1 EP 3941644A1 EP 20711610 A EP20711610 A EP 20711610A EP 3941644 A1 EP3941644 A1 EP 3941644A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- electromagnets
- permanent magnets
- permanent magnet
- oriented
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/14—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with oscillating elements; with intermittent operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
Definitions
- TITLE System for setting in motion a product application nozzle
- the present invention relates to a system for setting a product application nozzle in motion.
- Air-based processes lack flexibility and stability, and mechanically offset nozzle systems using an electric motor have the drawbacks of high price, guide wear, and electric motor size.
- the invention intends to remedy by proposing a new system for setting a product application nozzle in motion, reducing the complexity, the price, the size and the wear of the parts of the system. .
- the invention relates to a system for setting in motion a nozzle for applying a product, comprising a flexible duct terminated by a nozzle.
- This system is characterized in that it further comprises a magnetic device including a plurality of permanent magnets attached to the nozzle and a plurality of electromagnets placed at a distance around the permanent magnets of the nozzle, this magnetic device generating oscillations of the nozzle eccentrically with respect to a central axis of the system.
- magnetic operation removes friction and wear between moving parts and increases the life of the system.
- absence of an electric motor reduces the cost and size of the system.
- Such a setting system can incorporate one or more of the following characteristics, taken in any technically acceptable combination: -
- Each of the electromagnets comprises an air gap and an electrically supplied coil, and the air gap has a part extending radially opposite the permanent magnets of the nozzle.
- the air gap has a damper located opposite the nozzle.
- the electromagnets are fed in such a way that they all repel the permanent magnets or all attract the permanent magnets.
- the magnetic device comprises at least two permanent magnets distributed over a periphery of the nozzle and having the same polarity oriented towards an outer side, and at least two electromagnets arranged around the permanent magnets of the nozzle, and the electromagnets are electrically supplied out of phase so as to generate oscillations of the nozzle.
- the magnetic device comprises three permanent magnets oriented at angles of 120 ° with respect to each other and three electromagnets oriented at angles of 120 ° with respect to each other.
- the electromagnets are electrically supplied with a phase shift of 2TT / 3 radians.
- the system includes an air blowing device controlled so as to vary a product deposit diameter.
- Each of the electromagnets is constructed so that the magnetic field lines that it generates pass through the permanent magnet located opposite and are oriented so as to oppose the magnetic field of the permanent magnet, and each electromagnet comprises an air gap having a central part located radially in front of the permanent magnet, and two lateral parts extending respectively above and below the permanent magnet, and a coil surrounding the central part or one of the side parts.
- Each electromagnet also comprises at least two permanent magnets fixed on the lateral parts and located opposite, along a central axis of the nozzle, the permanent magnet fixed to the nozzle, to oppose the magnetic field generated by the permanent magnet fixed to the nozzle even in the absence of power supply to the electromagnets.
- Figure 1 is a perspective view of a movement system according to the invention
- Figure 2 is a cross section of the system of Figure 1;
- FIG 3 is a bottom view of the system of Figure 1;
- Figure 4 is a schematic partial cross section of the system of Figure 1;
- FIG 5 is a side view of the system of Figure 1 in operation
- Figure 6 is a view similar to Figure 5, of a system further comprising an air blower device;
- Figure 7 is a partial schematic cross section of a system according to a second embodiment of the invention.
- Figures 1 to 6 show a system 2 for setting in motion a nozzle 4 for applying a product.
- System 2 is intended to be integrated into a machine for applying a viscous product, such as, among others, a mastic, an adhesive or a grease, in particular in the fields of sheet assembly, in the application of sealant cords.
- a viscous product such as, among others, a mastic, an adhesive or a grease, in particular in the fields of sheet assembly, in the application of sealant cords.
- viscous is meant a product whose viscosity is for example between 5000 and 1 million centipoise.
- Such viscous products must be set in motion, for example by rotation, at the outlet of the nozzle 4, in order to obtain homogeneous and precise beads of product.
- System 2 comprising a flexible duct 6 terminated by the nozzle 4.
- System 2 comprises an orifice 8 for entering the product to the flexible duct 6.
- the flexible duct 6 and the orifice 8 define a central axis X of the system 2.
- the system 2 comprises a magnetic device 10 including a plurality of permanent magnets fixed to the nozzle 4 and a plurality of electromagnets placed at a distance around the permanent magnets of the nozzle 4, this magnetic device 10 generating oscillations of the nozzle. 4 eccentrically with respect to the central axis X of the system 2.
- a plurality is meant that the magnetic device 10 comprises at least two permanent magnets, and at least two electromagnets, that is, that is to say at least two permanent magnet / electromagnet pairs.
- the magnetic device 10 comprises three permanent magnets 12 distributed over a periphery of the nozzle 4 and each having the same polarity oriented towards an outer side, and three electromagnets 14 arranged around the permanent magnets 12 of the nozzle. 4.
- the electromagnets 14 are supplied electrically out of phase so as to generate oscillations of the nozzle 4 forming a circular oscillation along the arrow F1 around the central axis X.
- the magnets 12 each have a negative (-) polarity oriented to the inner side, i.e. towards the central axis X, and a positive (+) polarity oriented to the inner side. outside, that is to say opposite the central axis X.
- this configuration can be reversed.
- This configuration can also be transposed along the central axis X.
- the permanent magnets 12 distributed over the periphery of the nozzle 4 have a vertically oriented polarity and the electromagnets 14 create an opposite vertical polarity.
- Each of the electromagnets 14 includes an air gap 140, or fixed magnetic part, which will also be called an iron core, and an electrically powered coil 142.
- the air gap 140 has a part 140a extending radially opposite the permanent magnets 12 of the nozzle 4.
- the parts 140a are located at a radial distance E from the permanent magnets 12, in a deactivated configuration of the system 2 in which the flexible duct 6 and the nozzle 4 are aligned with the central axis X.
- the system 2 is activated, that is to say when the electromagnets 14 are electrically supplied, the flexible duct 6 and the nozzle 4 are no longer aligned. with the central axis X, and the distance E varies according to the oscillations of the nozzle 4.
- the permanent magnets 12 can together form a circular peripheral contour, centered on the central axis X in the deactivated configuration of the system 2.
- the parts 140a of the air gaps 140 can also each have an internal face of circular shape concentric with the central axis X.
- the electromagnets 14 are supplied electrically so that either all of them repel the permanent magnets 12, or all of them attract them, the aim being to generate a displacement of the permanent magnets 12 such that the nozzle is offset from the central axis X.
- the direction of the current in the coils 142 is chosen with respect to the polarities of the permanent magnets 12 which face them so as to obtain repulsion or attraction.
- the coils 142 are electrically supplied by means of an electric current source not shown.
- the electromagnets 14 are supplied with electric current with a phase shift of 2TT / 3 radians.
- the electrical phase shift varies as a function of the number of permanent magnet / electromagnet pairs of the magnetic device 10.
- the electromagnets 14 are electrically supplied at a determined frequency which determines the oscillation speed of the nozzle 4.
- This frequency can be, for example, between 200Hz and 20KHz.
- This oscillation frequency range must be greater than the natural frequency of the mobile part formed by the nozzle 4 and the permanent magnets 12 in order to minimize the electromagnetic forces to be provided.
- the magnetic force to be supplied by an electromagnet 14 can be between 15 N and 30 N, for a nozzle 4 whose mass is between 5 g and 10 g and which oscillates over an interval of +/- 250 pm about an axis of equilibrium at a frequency between 100 Hz and 200 Hz.
- the three permanent magnets 12 are oriented at angles of 120 ° to each other, and the three electromagnets 14 are oriented at angles of 120 ° to each other.
- the system 2 can comprise more than three pairs of permanent magnets 12 / electromagnets 14, their angular orientation with respect to one another being adapted according to their number.
- the angular orientation of magnets 12 in degrees is equal to 360 divided by the number of magnets.
- the air gap 140 may have a damper 140b located radially opposite the nozzle 4.
- This damper 140b aims to prevent too great a radial displacement of the nozzle 4 causing a collision with the nozzle. part 140a of the air gap 140.
- This damper 140b can be, for example, made of an elastomeric material.
- the circular shaped oscillations described by the nozzle 4 can be characterized by a diameter D in FIG. 5.
- the diameter D is defined as the diameter of a base of a cone 16 of product deposited by the nozzle 4, and of which the diameter. center is located on the central X axis.
- the system 2 can comprise an air blowing device 18, this device 18 being controlled so as to vary the diameter of the deposit of the bead generated by the oscillation of the nozzle 4.
- this device 18 can be formed by one or more air blowing nozzles supplied by a source not shown for supplying compressed air, and producing air jets F2 oriented for example in a direction parallel to the axis central X of the system 2 around the nozzle 4, so as to tighten the oscillations of the nozzle 4 around the central axis X, and consequently tighten the cone 16.
- the cone 16 has in this case a base diameter D ' , smaller than diameter D.
- This diameter D4 can be controlled by varying the operating parameters of the blowing device 18, for example, the pressure and / or the inclination with respect to the central axis X.
- Figure 7 shows a movement system according to a second embodiment of the invention.
- the elements common to the first embodiment bear the same references and operate in the same way.
- the nozzle 4 is mounted on a non-magnetic nozzle holder 40, or tube, centered on the axis X4 of the nozzle 4.
- This nozzle holder 40 like the flexible duct 6, can be produced. in a thermoplastic material, for example containing fibrous reinforcements, to resist the pressure of application of the product while being endowed with good flexibility.
- On one side of this nozzle holder 40 is fixed one of the permanent magnets 12.
- Each electromagnet 14 is constructed so that the field lines which it generates pass through the permanent magnet 12 located opposite on the nozzle 4 or the nozzle holder 40, and are oriented so as to s' oppose the magnetic field of the permanent magnet 12 located opposite. This increases the magnetic force obtained.
- the electromagnet 14 located opposite the permanent magnet 12 may for example have a horseshoe structure.
- the air gap 140, or fixed magnetic part, or iron core has a central part 140c located radially opposite the permanent magnet 12, and surrounded by the coil 142.
- the air gap 140 extends into two lateral parts 140d s 'extending on either side of the central part 140c respectively above and below the permanent magnet 12.
- the coil 142 can surround one of the side parts 140d instead of the central part 140c to improve the radial compactness of the system 2.
- the electromagnet 14 can also include two permanent magnets 144 fixed to the side parts 140d and located opposite, along the central axis X4, the permanent magnet 12.
- the electromagnet 14 generates field lines L which are oriented downward along the X4 axis passing through the permanent magnets 144 and oriented upward along the X4 axis passing through the permanent magnets 12.
- the permanent magnets 144 generate a magnetic field s' opposing the magnetic field generated by the permanent magnet 12 fixed to the nozzle 4 even in the absence of power supply to the electromagnets 14. This makes it possible to stabilize the nozzle 4 on the central axis X even when the electromagnets 14 are not supplied electrically.
- each electromagnet 14 may include more than two permanent magnets 144.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Reciprocating Pumps (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1902884A FR3093934B1 (fr) | 2019-03-20 | 2019-03-20 | Système de mise en mouvement d’une buse d’application d’un produit |
| PCT/EP2020/057820 WO2020188096A1 (fr) | 2019-03-20 | 2020-03-20 | Système de mise en mouvement d'une buse d'application d'un produit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3941644A1 true EP3941644A1 (fr) | 2022-01-26 |
| EP3941644B1 EP3941644B1 (fr) | 2024-09-11 |
Family
ID=67810720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20711610.4A Active EP3941644B1 (fr) | 2019-03-20 | 2020-03-20 | Système de mise en mouvement d'une buse d'application d'un produit |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20220168760A1 (fr) |
| EP (1) | EP3941644B1 (fr) |
| JP (1) | JP2022525908A (fr) |
| KR (1) | KR20210137475A (fr) |
| CN (1) | CN113518669A (fr) |
| ES (1) | ES2992328T3 (fr) |
| FR (1) | FR3093934B1 (fr) |
| WO (1) | WO2020188096A1 (fr) |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4306523A1 (de) * | 1993-03-03 | 1994-09-08 | Kabelmetal Electro Gmbh | Elektromagnetisches Schwingsystem |
| JP4063605B2 (ja) * | 2002-07-17 | 2008-03-19 | 東京エレクトロン株式会社 | 塗布処理装置 |
| JP4357989B2 (ja) * | 2004-02-27 | 2009-11-04 | 有限会社ガリュー | 流体噴射ノズルおよびこれを用いた流体噴射装置 |
| US7647883B2 (en) * | 2004-04-16 | 2010-01-19 | Panasonic Corporation | Fluid injection method and apparatus and display panel |
| US20060049276A1 (en) * | 2004-08-17 | 2006-03-09 | Ivy Eugene W | Fire fighting nozzle for projecting fog cloud |
| US7111796B2 (en) * | 2004-09-29 | 2006-09-26 | Olson Donald O | Sprinkler apparatus and related methods |
| DE102004059218A1 (de) * | 2004-12-09 | 2006-06-14 | Hennecke Gmbh | Verfahren zur Herstellung von Folien oder Compound-Formteilen |
| DE102004062063A1 (de) * | 2004-12-23 | 2006-07-13 | Liman Gmbh & Co. Kg | Vorrichtung zur Ausgabe viskoser Materialien |
| KR20140121888A (ko) * | 2005-12-29 | 2014-10-16 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 코팅 공정을 위한 물질의 분무화 방법 |
| WO2010001392A1 (fr) * | 2008-06-30 | 2010-01-07 | Naandan Jain Irrigation C.S. Ltd. | Arroseur |
| JP4722225B2 (ja) * | 2008-09-12 | 2011-07-13 | 稔 田中 | 振動モータ |
| CN102355956A (zh) * | 2009-01-26 | 2012-02-15 | 3M创新有限公司 | 液体喷枪、喷枪平台和喷头组件 |
| JP4880804B2 (ja) * | 2010-02-16 | 2012-02-22 | パナソニック株式会社 | 同期電動機駆動システム |
| KR20130060925A (ko) * | 2011-11-30 | 2013-06-10 | 주식회사 탑 엔지니어링 | 도포장치 |
| CN104174549B (zh) * | 2013-05-20 | 2017-08-22 | 日本电产增成株式会社 | 液剂吐出装置 |
| DE202015105290U1 (de) * | 2015-10-06 | 2017-01-11 | Nordson Corporation | Reinigungsstation für Nadeldüsen |
| CN105364306B (zh) * | 2015-12-10 | 2017-06-13 | 重庆镭宝激光科技有限公司 | 一种激光焊接机器人 |
| WO2017109818A1 (fr) * | 2015-12-22 | 2017-06-29 | Sony Mobile Communications Inc. | Ensembles vibreurs et dispositifs électroniques les incorporant |
| DE102017203140B4 (de) * | 2017-02-27 | 2025-11-13 | Festo Se & Co. Kg | Magnetlagervorrichtung |
| CN107097143A (zh) * | 2017-04-21 | 2017-08-29 | 大连浪卓表面设备制造有限公司 | 一种双磁振动光饰机及双磁振动光饰方法 |
| CN206716252U (zh) * | 2017-05-10 | 2017-12-08 | 马鞍山马钢华阳设备诊断工程有限公司 | 一种旋转雾化器 |
-
2019
- 2019-03-20 FR FR1902884A patent/FR3093934B1/fr active Active
-
2020
- 2020-03-20 US US17/439,764 patent/US20220168760A1/en not_active Abandoned
- 2020-03-20 ES ES20711610T patent/ES2992328T3/es active Active
- 2020-03-20 WO PCT/EP2020/057820 patent/WO2020188096A1/fr not_active Ceased
- 2020-03-20 JP JP2021556312A patent/JP2022525908A/ja active Pending
- 2020-03-20 KR KR1020217030298A patent/KR20210137475A/ko not_active Ceased
- 2020-03-20 CN CN202080017875.6A patent/CN113518669A/zh active Pending
- 2020-03-20 EP EP20711610.4A patent/EP3941644B1/fr active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR20210137475A (ko) | 2021-11-17 |
| WO2020188096A1 (fr) | 2020-09-24 |
| FR3093934B1 (fr) | 2022-05-06 |
| JP2022525908A (ja) | 2022-05-20 |
| US20220168760A1 (en) | 2022-06-02 |
| ES2992328T3 (es) | 2024-12-11 |
| FR3093934A1 (fr) | 2020-09-25 |
| EP3941644B1 (fr) | 2024-09-11 |
| CN113518669A (zh) | 2021-10-19 |
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