EP0192617A2 - Continuous-cycle painting booth, inclusive of the drying step - Google Patents
Continuous-cycle painting booth, inclusive of the drying step Download PDFInfo
- Publication number
- EP0192617A2 EP0192617A2 EP86830039A EP86830039A EP0192617A2 EP 0192617 A2 EP0192617 A2 EP 0192617A2 EP 86830039 A EP86830039 A EP 86830039A EP 86830039 A EP86830039 A EP 86830039A EP 0192617 A2 EP0192617 A2 EP 0192617A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- chain
- painting
- idler rollers
- painting booth
- station
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
- B05B13/0235—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the movement of the objects being a combination of rotation and linear displacement
Definitions
- the present invention relates to a continuous-cycle painting booth inclusive of the drying step, suitable to mass- products or single articles made of wood or other materials which need to be spray painted.
- the painting booths of known type which have the same object as the booth in reference are provided with a product transport device extending either in a horizontal plane on the floor or the ceiling or in a vertical plane on a wall.
- a product transport device extending either in a horizontal plane on the floor or the ceiling or in a vertical plane on a wall.
- the object of the present invention is to remarkably reduce the overall spaces necessary to the installation of a booth without however reducing the total production capacity of the equipment, being eventually possible the installation of several painting stations along the path followed by the product to be painted without remarkably increasing the overall bulkiness.
- a further object of the invention is to make the painting station much simplier, reducing the number of nozzles to the minimum while ensuring a perfect evenness of the paint coating.
- a continuous cycle painting booth characterized in that it comprises: a product transport device consisting of an endless flexible chain extending along parallel trajectories, in turn lying on a plurality of parallel floors, said chain being composed of a number of links provided with idler rollers pivoted outwardly of the links through a pin acting as a support for the product to be painted; means adapted to impart said chain a uniform rectilinear movement; at least a spray painting station located on the path of said chain in which a powered belt is provided which is adapted to impart the number of idler rollers a rotatory movement about their own axes during the displacement of the chain.
- the booth according to the present invention also has the advantage that, with respect to known booths, it allows to save about 90% of the surface that may be trampled.
- a further advantage resides in that the booth can be assembled on a structure made of metal section members completely fitted together already in the workshop and therefore transportable in one block, unlike the known art booths which, being very bulky, are not transportable in one block and need to be assembled in situ.
- the painting booth inclusive of the drying step substantially consists of a metal support structure 1 supporting a transport device for the products to be painted, globally identified at 4.
- the transport device 4 extends continuously according to horizontal storage levels that are mounted parallelly one above the other on the metal structure 1.
- the transport device substantially comprises a chain completed with idler rollers or disks made of nylon 3; the lower rollers perform the function of sliding shoes and are shaped so as to reduce the sliding friction on chain-holding guides 6, consisting of a metal channel whereas the upper idler rollers 3, coaxial with the lower ones, support respective pins 2 having the function of carrying the pieces to be painted 7.
- a loading area 11 for the workpieces 7 is seen which is provided with an automatized or manual pneumatic system not shown, in which the workpieces 7 are fitted on the support pins 2 of the transport chain 4.
- the chain through a system consisting of steel idler wheels 5, reaches a painting station 13 and at the outlet of said station it extends to a first upper storage and drying level 15 and, through an idler wheel 9 also performing the function of taking up the chain, enters the first storage level shown in Fig. 5.
- the chain following its trajectory, travels over many parallel right lines and goes on through a series of idler wheels 5, as far as it ascends to the higher storage floor 15, but this time the ascent takes place on the side opposite the preceding one, that is on the side of the machine, as seen in Fig. 5.
- the transport chain 4 again- travelling over many parallel right lines, forms a new store, till it comes to one of the driving wheels 8 from which it starts the ascent to the upper storage level 15" passing through the respective idler and takeup wheel 9.
- the painting stations may be more than one and located at different points, in order to carry out, for example, first an undercoating and then a finish painting. Should the workpieces, at the end of the drying time, need a further processing, they could pass again over the same painting station for the application of a further paint coat, without the manual intervention of an operator.
- the movement of the transport chain 4 is transmitted through the driving wheels 8 pivoted on, and made integral to each other, by a shaft 19 connected to a starter and geared motor unit 18 which directly transmits the motion to the ascent and indirectly, through the chain 10 provided with a takeup 50, transmits the motion to the drive shaft 20 on which the idler wheels 9 for the descent are pivoted.
- the transport chain 4 passes through a fixed chain-guide 25 holding it in line without allowing it to contact the nylon rollers 3 on which the pins 2 are integrally mounted, on said pins 2 being in turn fitted the products to be painted 7.
- a rotating movement is imparted to the nylon rollers 3 through a powered belt 26 made of rubberized canvas, which is kept in contact with the rollers 3 by a belt-pressing device 27.
- the belt 26 imparts the nylon rollers 3 a rotatory movement about their own axis and, as a result, a like movement to the pins 2 and to the workpiece 7 to be painted.
- the direction and speed of movement of the rotation belt 26 which movement takes place through nylon driving and idler pulleys 28, can be varied so as to allow the best exposure of the workpiece 7 to the painting nozzles 30.
- the painting operation is governed by a pneumatic device 29 which, by means of an intermittence rod 32 detects the presence of the pins 2 and operates the nozzles 30 in automatic spray guns 30 controlled by a pneumatic system; said nozzles 30, parallelly and intermittently, send paint jets to the workpieces 7.
- the nozzles 30 of the automatic spray guns controlled by a pneumatic system can be connected, like a common gun, to a reservoir under pressure or to a pump.
- the nozzles 30 remain in a fixed position over the whole working cycle, since the exposure of the workpieces is adjustable and ensured by the above described exposure system.
- the pneumatic device 29 and the rod 32 it is possible to adjust the moment and duration of the painting jet by merely moving the rod 32 away from or closer to the transport chain 4.
- the painting according to the production requirements, can be made continuous if the pulses of the pneumatic control 29 are eliminated.
- the painting station is provided with a conveyor 31 equipped with an appropriate exhauster adapted to suck the painting fumes and to convey them to the outside through vent stacks made of galvanized sheet iron, not shown.
- a sloping wall 33 which has the function of protecting the chain from the jets of the nozzles 30.
- the chain extends along a path comprising parallel trajectories lying in turn on a plurality of honzontal parallel levels or floors; it is however clear that the plurality of parallel levels might also be disposed in a vertical direction without departing from the spirit and scope of the invention, as defined in the appended claims.
Abstract
Description
- The present invention relates to a continuous-cycle painting booth inclusive of the drying step, suitable to mass- products or single articles made of wood or other materials which need to be spray painted.
- The painting booths of known type which have the same object as the booth in reference are provided with a product transport device extending either in a horizontal plane on the floor or the ceiling or in a vertical plane on a wall. Along the path followed by said transport device provision is made for one or more painting stations, each of them comprising one nozzle or more adapted to spray the paint onto the product according to different angular inclinations in order to evenly coat said product with paint.
- It is known that after the painting operation the product must remain fitted on the transport device over a certain time sufficient to ensure a perfect dryness to the paint before being removed from a painting booth inclusive of the drying step. With booths of the known type extending in a horizontal or vertical plane, very important overall spaces are necessary to enable the product to follow a path such that a perfect dryness may be ensure without interrupting the working cycle.
- This important drawback becomes still more negative if we consider that usually the painting of each product comprises three steps such as, for example, a first tinting step followed by the application of an undercoat and finally the application of finish paint; all applications following the first one can take place only when the first coating is completely dry. It is therefore obvious that important overall spaces or separate painting booths are necessary for each application, which not only increases the overall dimensions of the painting equipment but also the costs for operating the same.
- The object of the present invention is to remarkably reduce the overall spaces necessary to the installation of a booth without however reducing the total production capacity of the equipment, being eventually possible the installation of several painting stations along the path followed by the product to be painted without remarkably increasing the overall bulkiness.
- A further object of the invention is to make the painting station much simplier, reducing the number of nozzles to the minimum while ensuring a perfect evenness of the paint coating.
- The foregoing and still further objects are achieved by a continuous cycle painting booth according to the present invention, characterized in that it comprises: a product transport device consisting of an endless flexible chain extending along parallel trajectories, in turn lying on a plurality of parallel floors, said chain being composed of a number of links provided with idler rollers pivoted outwardly of the links through a pin acting as a support for the product to be painted; means adapted to impart said chain a uniform rectilinear movement; at least a spray painting station located on the path of said chain in which a powered belt is provided which is adapted to impart the number of idler rollers a rotatory movement about their own axes during the displacement of the chain.
- The booth according to the present invention also has the advantage that, with respect to known booths, it allows to save about 90% of the surface that may be trampled.
- A further advantage resides in that the booth can be assembled on a structure made of metal section members completely fitted together already in the workshop and therefore transportable in one block, unlike the known art booths which, being very bulky, are not transportable in one block and need to be assembled in situ.
- Other features and advantages of the invention will become more apparent from the following description of a preferred embodiment given hereinafter by way of nonlimiting example, with reference to the accompanying drawings, in which:
- - Fig. 1 is a plan view of a detail of the flexible endless chain:
- - Fig. 2 is an elevation, cross-sectional view of the chain seen in Fig. 1 taken along the line I-I in said figure;
- - Fig. 3 is a side sectional view of the same chain taken along the line 11-11 in Fig. 2;
- - Fig. 4 is a diagrammatic plan view of the booth, in which the path followed by the chain on the first floor is shown;
- - Fig. 5 is a plan view of the booth, reference being particularly made to the path of the chain on a floor parallel to that seen in Fig 4
- - Fig. 6 is a plan view of the booth, reference being particularly made to the path of the chain on a floor parallel and next to the one followed in Fig. 5;
- - Fig. 7 is a plan view of the booth, reference being particularly made to the path of the chain on a floor parallel and next to the one followed in Fig. 6;
- - Fig. 8 is a diagrammatic elevation view of the booth;
- - Fig. 9 is a diagrammatic elevation view of the booth seen from the side opposite that shown in Fig. 8;
- - Fig. 10 is a diagrammatic plan view of the painting station;
- - Fig. 11 is an elevation view of the painting station seen in Fig. 10.
- Referring to Figs. 4, 5, 6, 7, 8 and 9, the painting booth inclusive of the drying step substantially consists of a
metal support structure 1 supporting a transport device for the products to be painted, globally identified at 4. Thetransport device 4 extends continuously according to horizontal storage levels that are mounted parallelly one above the other on themetal structure 1. - As best seen in Figs. 1, 2 and 3, the transport device substantially comprises a chain completed with idler rollers or disks made of
nylon 3; the lower rollers perform the function of sliding shoes and are shaped so as to reduce the sliding friction on chain-holding guides 6, consisting of a metal channel whereas theupper idler rollers 3, coaxial with the lower ones, supportrespective pins 2 having the function of carrying the pieces to be painted 7. - Referring to Fig. 4, a
loading area 11 for theworkpieces 7 is seen which is provided with an automatized or manual pneumatic system not shown, in which theworkpieces 7 are fitted on thesupport pins 2 of thetransport chain 4. The chain, through a system consisting ofsteel idler wheels 5, reaches apainting station 13 and at the outlet of said station it extends to a first upper storage and dryinglevel 15 and, through anidler wheel 9 also performing the function of taking up the chain, enters the first storage level shown in Fig. 5. The chain, following its trajectory, travels over many parallel right lines and goes on through a series ofidler wheels 5, as far as it ascends to thehigher storage floor 15, but this time the ascent takes place on the side opposite the preceding one, that is on the side of the machine, as seen in Fig. 5. On reaching the last storage floor 14, as shown in Fig. 6, thetransport chain 4, again- travelling over many parallel right lines, forms a new store, till it comes to one of thedriving wheels 8 from which it starts the ascent to theupper storage level 15" passing through the respective idler and takeupwheel 9. - By continuing alternatively in the same way, it is possible to create as many drying floors as the production needs require, so that a very high storage capacity can be achieved.
- If we multiply the number and eventually the planimetric sizes of the storage floors, we can achieve any storage capacity in a relatively reduced space, all that being directly related to the time necessary to each product to dry. Anyway it is clear that, the storage capacities being equal, the greater the number of the storage levels or floors is, the smaller is the equipment surface taken up by the booth.
- When the last level or floor is reached, see Fig. 7, the
transport chain 4, after forming a store in the same manner as for the lower levels or floors, and immediately after passing the drivingoutlet wheel 8, begins thedescent 17 up to the first painting level. - All the descents take place on the identical side of the machine, in this case on the side opposite that on which the painting is carried out, passing, from level to level, alternatively from the
driving wheel 8 to the opposite idler and takeupwheel 9, as far as the first level shown in Fig. 4 is reached; on this level thechain 4 forms a further store and afterwards arrives at the unloading area identified at 12 and subsequently, through two idler wheels, returns to theloading area 11 in order to repeat the described path. - The painting stations may be more than one and located at different points, in order to carry out, for example, first an undercoating and then a finish painting. Should the workpieces, at the end of the drying time, need a further processing, they could pass again over the same painting station for the application of a further paint coat, without the manual intervention of an operator. The movement of the
transport chain 4 is transmitted through thedriving wheels 8 pivoted on, and made integral to each other, by ashaft 19 connected to a starter and gearedmotor unit 18 which directly transmits the motion to the ascent and indirectly, through thechain 10 provided with atakeup 50, transmits the motion to thedrive shaft 20 on which theidler wheels 9 for the descent are pivoted. - Referring to Figs. 10 and 11, in the
painting station 13 thetransport chain 4 passes through a fixed chain-guide 25 holding it in line without allowing it to contact thenylon rollers 3 on which thepins 2 are integrally mounted, on saidpins 2 being in turn fitted the products to be painted 7. A rotating movement is imparted to thenylon rollers 3 through a poweredbelt 26 made of rubberized canvas, which is kept in contact with therollers 3 by a belt-pressingdevice 27. Thebelt 26 imparts the nylon rollers 3 a rotatory movement about their own axis and, as a result, a like movement to thepins 2 and to theworkpiece 7 to be painted. The direction and speed of movement of therotation belt 26 which movement takes place through nylon driving andidler pulleys 28, can be varied so as to allow the best exposure of theworkpiece 7 to thepainting nozzles 30. - The painting operation is governed by a
pneumatic device 29 which, by means of anintermittence rod 32 detects the presence of thepins 2 and operates thenozzles 30 inautomatic spray guns 30 controlled by a pneumatic system; saidnozzles 30, parallelly and intermittently, send paint jets to theworkpieces 7. Thenozzles 30 of the automatic spray guns controlled by a pneumatic system can be connected, like a common gun, to a reservoir under pressure or to a pump. - Once they are positioned before starting the operation, depending upon the type and shape of the
workpiece 7 to be painted, thenozzles 30 remain in a fixed position over the whole working cycle, since the exposure of the workpieces is adjustable and ensured by the above described exposure system. - Through the
pneumatic device 29 and therod 32 it is possible to adjust the moment and duration of the painting jet by merely moving therod 32 away from or closer to thetransport chain 4. The painting, according to the production requirements, can be made continuous if the pulses of thepneumatic control 29 are eliminated. - The painting station is provided with a
conveyor 31 equipped with an appropriate exhauster adapted to suck the painting fumes and to convey them to the outside through vent stacks made of galvanized sheet iron, not shown. In the painting area provision is also made for a slopingwall 33 which has the function of protecting the chain from the jets of thenozzles 30. - In the embodiment shown the chain extends along a path comprising parallel trajectories lying in turn on a plurality of honzontal parallel levels or floors; it is however clear that the plurality of parallel levels might also be disposed in a vertical direction without departing from the spirit and scope of the invention, as defined in the appended claims.
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT86830039T ATE45892T1 (en) | 1985-02-18 | 1986-02-17 | CONTINUOUS SPRAY BOOTH WITH DRYING STATION. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT44004/85A IT1221173B (en) | 1985-02-18 | 1985-02-18 | AUTOMATIC SYSTEM FOR DRYING AND STORAGE WITH CONTINUOUS CYCLE OF REQUIRED ELEMENTS SPRAY PAINTING |
IT4400485 | 1985-02-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0192617A2 true EP0192617A2 (en) | 1986-08-27 |
EP0192617A3 EP0192617A3 (en) | 1986-11-20 |
EP0192617B1 EP0192617B1 (en) | 1989-08-30 |
Family
ID=11255414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86830039A Expired EP0192617B1 (en) | 1985-02-18 | 1986-02-17 | Continuous-cycle painting booth, inclusive of the drying step |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0192617B1 (en) |
AT (1) | ATE45892T1 (en) |
DE (1) | DE3665268D1 (en) |
IT (1) | IT1221173B (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6350491B1 (en) * | 2000-04-24 | 2002-02-26 | Adac Plasitis, Inc | Painting apparatus and method |
WO2003072265A1 (en) * | 2002-02-28 | 2003-09-04 | S.I.P.A. Societa' Industrializzazione Progettazione Automazione S.P.A. | A device and method for coating containers |
CN104549846A (en) * | 2015-01-31 | 2015-04-29 | 江苏恒泽安装工程股份有限公司 | Combined type paint spraying stand for rear axles of vehicles |
CN108636655A (en) * | 2018-07-13 | 2018-10-12 | 重庆辉海科技有限公司 | Accessory spray-painting plant |
CN109332070A (en) * | 2018-11-26 | 2019-02-15 | 吴宜霖 | A kind of paint-spraying production line and processing technology |
CN109454072A (en) * | 2018-12-26 | 2019-03-12 | 上海瑞姿包装材料股份有限公司 | A kind of tooling for bottle body processing |
CN109482384A (en) * | 2018-09-26 | 2019-03-19 | 常州君合表面涂覆工程有限公司 | The automatic spray apparatus of axis or automobile engine spray bar |
CN109482385A (en) * | 2018-09-26 | 2019-03-19 | 常州君合表面涂覆工程有限公司 | The automatic painting method of axis or automobile engine spray bar |
CN114734753A (en) * | 2022-03-24 | 2022-07-12 | 哈尔滨学院 | Painting drying equipment for art design |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2547884A (en) * | 1944-07-20 | 1951-04-03 | Jens A Paasche | Spray coating apparatus |
GB917625A (en) * | 1960-07-23 | 1963-02-06 | Svend Nordby Knudsen | Endless conveyor |
FR2070040A1 (en) * | 1969-12-31 | 1971-09-10 | Flament Jacques | |
US4098932A (en) * | 1975-05-22 | 1978-07-04 | Indian Head Inc. | Ultra high speed bottle coating process |
DE3010884A1 (en) * | 1980-03-21 | 1981-10-15 | Klaus 4503 Dissen Ischebeck | STORAGE FACILITIES |
-
1985
- 1985-02-18 IT IT44004/85A patent/IT1221173B/en active
-
1986
- 1986-02-17 DE DE8686830039T patent/DE3665268D1/en not_active Expired
- 1986-02-17 AT AT86830039T patent/ATE45892T1/en not_active IP Right Cessation
- 1986-02-17 EP EP86830039A patent/EP0192617B1/en not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2547884A (en) * | 1944-07-20 | 1951-04-03 | Jens A Paasche | Spray coating apparatus |
GB917625A (en) * | 1960-07-23 | 1963-02-06 | Svend Nordby Knudsen | Endless conveyor |
FR2070040A1 (en) * | 1969-12-31 | 1971-09-10 | Flament Jacques | |
US4098932A (en) * | 1975-05-22 | 1978-07-04 | Indian Head Inc. | Ultra high speed bottle coating process |
DE3010884A1 (en) * | 1980-03-21 | 1981-10-15 | Klaus 4503 Dissen Ischebeck | STORAGE FACILITIES |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6350491B1 (en) * | 2000-04-24 | 2002-02-26 | Adac Plasitis, Inc | Painting apparatus and method |
WO2003072265A1 (en) * | 2002-02-28 | 2003-09-04 | S.I.P.A. Societa' Industrializzazione Progettazione Automazione S.P.A. | A device and method for coating containers |
CN104549846A (en) * | 2015-01-31 | 2015-04-29 | 江苏恒泽安装工程股份有限公司 | Combined type paint spraying stand for rear axles of vehicles |
CN108636655A (en) * | 2018-07-13 | 2018-10-12 | 重庆辉海科技有限公司 | Accessory spray-painting plant |
CN109482384A (en) * | 2018-09-26 | 2019-03-19 | 常州君合表面涂覆工程有限公司 | The automatic spray apparatus of axis or automobile engine spray bar |
CN109482385A (en) * | 2018-09-26 | 2019-03-19 | 常州君合表面涂覆工程有限公司 | The automatic painting method of axis or automobile engine spray bar |
CN109482384B (en) * | 2018-09-26 | 2020-07-14 | 常州君合表面涂覆工程有限公司 | Automatic spraying device for oil spraying pipe of shaft or automobile engine |
CN109482385B (en) * | 2018-09-26 | 2020-07-24 | 常州君合表面涂覆工程有限公司 | Automatic spraying method for oil spraying pipe of shaft or automobile engine |
CN109332070A (en) * | 2018-11-26 | 2019-02-15 | 吴宜霖 | A kind of paint-spraying production line and processing technology |
CN109454072A (en) * | 2018-12-26 | 2019-03-12 | 上海瑞姿包装材料股份有限公司 | A kind of tooling for bottle body processing |
CN114734753A (en) * | 2022-03-24 | 2022-07-12 | 哈尔滨学院 | Painting drying equipment for art design |
CN114734753B (en) * | 2022-03-24 | 2024-01-02 | 哈尔滨学院 | Art design is with drying equipment that colors |
Also Published As
Publication number | Publication date |
---|---|
IT1221173B (en) | 1990-06-21 |
IT8544004A0 (en) | 1985-02-18 |
ATE45892T1 (en) | 1989-09-15 |
DE3665268D1 (en) | 1989-10-05 |
EP0192617B1 (en) | 1989-08-30 |
EP0192617A3 (en) | 1986-11-20 |
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