US3810422A - Screen printing machine for articles with curved non-circular cross-sectional - Google Patents

Screen printing machine for articles with curved non-circular cross-sectional Download PDF

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Publication number
US3810422A
US3810422A US00138676A US13867671A US3810422A US 3810422 A US3810422 A US 3810422A US 00138676 A US00138676 A US 00138676A US 13867671 A US13867671 A US 13867671A US 3810422 A US3810422 A US 3810422A
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article
printing
holding
screen
control lever
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US00138676A
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W Kammann
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/08—Machines
    • B41F15/0886—Machines for printing on conical or frusto-conical surfaces

Definitions

  • a screen printing .machine includes holding members for holding articles to be printed and for transporting the articles to a printing station.
  • the holding members are adapted to execute pivotal movement about an axis to transport the article to the printing station.
  • the article is transported to the holding device by a conveyor mechanism, which conveyor mechanism is also adapted to receive the articles after they have been printed and released by the holding members.
  • the present invention relates to a screen printing machine having an oval printing device, the holding device of which is arranged below the printing. station which consists of a screen and a doctor.
  • the holding device holds the articles to be printed and comprises two holding members. Preferably, these holding members are arranged opposite to each other with an article'receiving space therebetween.
  • One of said members may be provided with a recess to receive the base of said articles, whilst if the articles have an open neck, for example, as have bottles, the second holding member may have a countersupport provided thereon which is adapted to engage in the neck of the article.
  • the holding members are adapted to execute a pivotal movement about an axis extending in the longitudinal direction of thearticle to roll said article dependent on the movement of the screen during the printing process.
  • a screen printingmachine having a holding device for holding the articles to be printed, a printing station consisting of a screen and doctor, said holding device being located below said printing station and having two holding members, disposed opposedly to each other with space therebetween and capable of holding the ends of said article to be printed, said holding members being adapted to execute pivotal movement about an axis extending in the longitudinal direction of the article dependent upon the movement of the screen to roll the article during the printing process, wherein the holding device is arranged so that the synchronised holding members are on both sides of the path of movement and above theplane of movement of an intermittent conveyor device whichis stationary in the article receiving anddelivery area, the holding members being provided on parts pivotable upwardly out'of the plane of movement of the article opposite to the direction of movement of the conveyor and returnable to the plane of movement of said conveyor, the conveyor having an article receiving recess for transferring the article to the holding members and for taking the article from the holding members after the printing process is complete, said recess being disposed in the
  • the holding device hassynchronised holding members which are arranged on both sides of and above the plane of movement of an intermittent conveyor, such as chains having drives, said conveyor stopping in the region for receiving and delivering the articles.
  • Said holding members provided on parts pivotable upwardly out of the .plane of movement of the article against the direction of movement of the conveyor into the printing plane and returnable into the 'plane of movement of the conveyor.
  • a recess being provided in the conveyor for transferring the articles to the holding members and for receiving the articles from the holding members after printing is completed, the recess being disposed in the direction of movement of the conveyor behind the printing station.
  • a member supporting a holding member is connected by means of a rack drive I to the screen and at least one of the holding members is journalled to pivot and is connected to a control lever co-operating with a mounting rail so as to turn the holding member into the article transfer and article receiving position.
  • the article holding member more particularly, said holding member having a recess to receive'the base of the article, is controllable in its axial turning movement and is journalled to rotate by its shaft with a rolling gear wheel which meshes with a rack drive for the screen.
  • a control lever Secured to this rotary shaft is a control lever supported by a guide roller on a mounting rail effecting the axial receiving turning movement and moving the'holding members into the delivery and transfer position upon the completion of printing.
  • This control lever is rotatably mounted to turn about the shaft of the holding members.
  • the mounting rail for controlling the recess extends along a'control member adjustable in height and clearance from the pivotal axis of the holding device, so that by setting this control member and by the axial setting of the control lever, articles having different sizes of oval cross sections can be brought into a perfect position for take-over and delivery.
  • At least one holding member more particularly, the holding member having a counter support to receive the neck of the article is adjustable in height by means of a bearing rib (with a radial clearance from the pivotal axis of the holding device) on a toothed segment so that articles having different conical surfaces and radii can be erected on the screen and printed in this screen printing machine.
  • a bearing rib with a radial clearance from the pivotal axis of the holding device
  • the two holding members are designed to be movable relative to each other with a certain axial stroke and for receiving articles of different length at least one of the two holding members can be changed with regard to its axial clearance from the other holding member.
  • the holding members can be adjusted in height relative to thescreen or to the conveyor so that the oval printing device is adjustable for articles having different radii or curvature or rolling surface.
  • the entire oval printing device may be removed as a unit from the screen printing machine and replaced by a different device for printing cylindrical or flat articles.
  • the screen printing machine of the present invention is provided with a stopping time device for the movement of the screen and the intermittent conveyor; the stopping time of the conveyor is utilised for printing the particular article.
  • the conveyor stops the article to be printed always at the same point and delivers it to the holding device.
  • the holding members swivel the article opposite to the previous direction of movement through the conveyor on a pitch circular path into the beginning of the printing position and roll it for printing over the printing machine, said holding members then pivoting in the direction of the movement of the conveyor on the same pitch circular path.
  • the holding members are axially turned by a control device, driven by the movement of the screen, and at the same time the printed article is swung away from the screen and brought to the delivery and/or receiving position which corresponds to the take-over position.
  • Each article is placed in a perfect take-over or'delivery position by the axial turning of the holding member.
  • the stand-still time for movement of the screen which now ensues the depositing of the printed article and the feeding of the next article to be printed to the receiving position and its receiving by the printing mechanism takes place.
  • the screen printing machine is simply designed and due to the construction of theoval printing device, perfect printing is made possible.
  • This screen printing machine has a rational mode of operationv and great use, since this machine, constructed to be completely automatic, may be used not only for oval, but also for other articles of different cross sectional forms without it' being necessary to interchange feed members or to change operating strokes and driving members.
  • FIG. 1 shows a perspective view of a screen printing machine having an oval printing device and a conveyor associated therewith;
  • FIG. 2 shows a side view of the machine of FIG. ,1;
  • FIG. 3 shows a front view of a holding device of an oval printing device for the machine of FIG. 1, the printing device receiving an end of an article to be printed and being in the centre printing position;
  • FIG. 4 shows a front view of the oval printing device and conveyor in the receiving and delivery position
  • FIG. 5 shows a front view of the oval printing device with holding member, moving into the printing position
  • FIG. 6 shows a front view of the oval printing device with holding member, located at the beginning of the printing position.
  • the screen printing machine shown in FIG. 1 has a printing station comprising a stencil l9 and a doctor 190. It is particularly used for printing articles 10 of oval cross-section, for example, bottles.
  • An oval printing device is provided below said printing station and has a holding device 12 provided with two opposing holding members 13, 14 holding the ends of an article, for example the base and the neck of the article respectively.
  • One of the holding members is preferably formed as a recess to receive the base article and the other as a centering pin.
  • At least one of these troughlike or mandrel-like holding members 13, 14, preferably the recess 13 for receiving the base of the article, is journalled to rotate axially in the holding device 12 and controllable for receiving and delivering the article 10 which is to be printed or is already printed, into the same axially turned position.
  • the holding device 12 is associated with an intermittent conveyor mechanism, such as circulating chains 15 with drives 16 which stop in the region for receiving and delivering the article, so that the articles 10 are always stopped by the conveyor mechanism 15, 16 at a pre-determined position in the movement of the conveyor mechanism 15, 16.
  • conveyor mechanism 15, 16 moves from left to right in the illustration of FIG. 1.
  • the conveyor'mechanism 15, 16 being stopped at a pre-determined position behind the printing station.
  • the drives 16 form a recess to receive the article 10 to be printed. This recess may be formed either by two drives 16 in spaced serial relationship or by one drive 16 provided with a corresponding recess in the top surface thereof.
  • the holding member 13, which is controllable in its axial rotation, is mounted on'a shaft 17 which is rotated by a rolling gear wheel 20.
  • the gear wheel 20 meshes with a rack 18, the rack serving as a driving means for the holding device 12 and associated with the reciprocating printing screen 19.
  • a control lever 22 is rigidly connected to the shaft 17 and co-operates with a mounting rail 2].
  • the lever 22 acts to turn the holding member 13 into the receiving and delivery position.
  • the lever 22 supports at its free end remote from the shaft 17 a guide roller 23 for controlling the recess of said holding member.
  • the control lever 22 may be secured to the shaft 17 by clip-like member 24 or the like so as to be axially displaceable and fixable in the desired position so that the holding member 13 may be brought by means of the mounting rail 21, to the desired position for printing relative to the radius and an angular receiving and delivery position, thereby ensuring perfect acceptance and/or depositing of the article.
  • a stop 25 is held under tension in contact with a pivotal axis 11 by a tension member, such as a draw spring or torsion spring 25b.
  • the stop 25 is mounted on the control lever 22 and, partially encloses the axis 11 in a recess 25a.
  • the stop 25 is held on the axis 11 during the printing process until the beginning of the operation of the control lever 22 so that the holding member 13 is disposed on the printing radius and moves thereon about the pivotal axis 11.
  • the mounting rail 21 extends along a control member 26 which is adjustable in level and in its spacing relative to the axis 11 of the holding device.
  • the two relatively opposed holding members 13, 14 are synchronously driven (during the printing process) in pivotal movements to roll the article 10 over the stencil 19.
  • a block 27, 28 to mount each supporting member 13, 14 is detachably secured to the screen printing machine.
  • the pivotal axis 11 is mounted in the block 27 with its longitudinal axis at an angle, preferably at a right angle, to the direction of movement of the con veyor and extends through two detachably interconnected toothed segments 20, 29.
  • One toothed segment 20 forms the rolling gearwheel and the other toothed segment 29'forms a transmission gearwheel.
  • These two toothed segments 20, 29 are detachably connected together by, for example, screws, and are of different size pitch circle with their toothed areas opposed to each other, that is, turned through 180 relative to each other.
  • the toothed segment 29 meshes with a gearwheel 31 rigidly provided on a shaft 30 which is journalled to rotate in the block 27.
  • the gearwheel 31 transmits the pivotal movement of the toothed segments 20, 29 caused by the rack 18 to the shaft 31).
  • the shaft 30 is also provided with a gearwheel 32 with which a toothed segment 33 indirectly engaging the holding member 14 engages. Thus, drive is transmitted to the holding member 14.
  • the segment 33 is adjustable radially relative to the pivotal axis 11.
  • the bar 34 therefore executes, by means of the toothed segment 33, pivotal movement about axis 11 which corresponds to the movement of the toothed segment 20.
  • the holding 'member 13 is provided with a recess which corresponds in size and shape with the base of the article to be printed, while the holding member 14 is preferably formed to a point so as to engage in the open neck of the article 10.
  • the two opposed holding members 13, 14 are axially displaceable relative to each other and have a space ther'ebetween to receive the articles 10.
  • the two holding members 13, 14 are displaced relative to each other by a certain amount to retain the article 10 and, upon delivery, the two holding members 13, 14 move in opposite axial direction so that the article 10 can be delivered.
  • This axial lifting movement of the two holding members 13, 14 may be controlled in various ways, for example, pneumatically,
  • At least one bearing block 27 or 28, preferably the bearing block 28 carrying the holding member 14, can be adjusted to alter the clearance thereof with respect to the other bearing block 27.
  • the relative spacing of the blocks 27, 28 may be adjusted by displacement thereof at right angles relative to the direction of movement of the conveyor and then fixed at the spacing so determined.
  • the bearing blocks 27, 28 are displaceable, for example, along guides 35.
  • displacement of the two bearing blocks 27, 28 in the direction of movement of the conveyor is possible and is necessary to accommodate different radii.
  • the bearing blocks 27, 28 are displaceably supported by guides 36 arranged on the guide 35, so that the bearing blocks 27,
  • the guides 35 and 36 form a compound guide 35/36.
  • the bearing block 28 is adjustable to height, for example, by means of a slot and clamping screw con nection (shown in FIGS. 1 and 2).
  • both bearing blocks 27, 28 are themselves adjustable in height and the holding member 14 makes fine adjustment possible by means of its bearing bar 34. This feature ensures accurate positioning of the article to be printed.
  • both bearing blocks 27, 28 may consist of a housing which is vertically displaceable in a guide located between two support walls and securable at the desired level by means of clamping screws engaging through slots (see FIGS. 1 and 2). The slots are arranged in the stationary or displaceable part.
  • the control member 26 is adjustably secured to the bearing block 27 by means of screws 38 or the like engaging through slots 37 extending at an angle to each other, preferably, an acute angle.
  • the printing screen 19 is detachably secured to a slide 39 reciprocated in known manner.
  • the articles 10 to be printed are brought to the area below the screen 19 by means of the conveyor mechanism which is intermittently operated.
  • the receiving and delivery area of an oval printing device is located at the place where the article 10 moved by the conveyor 15/16 stops below the screen 19 (see'FIG. 4). This stoppage is in the direction of movement of the chains 15 behind the pivotal axis 11 of the oval printing device.
  • the holding member 13 receives the base of the article, pivoted by the rack 18 about the axis 11 and turned by the control lever 22 into a cross-sectional position and the correspondingly pivoted holding member 14 receives the article 10 from the chain 15.
  • the screen 19 now moves in the other direction and effects by means of the rack 18 a pivotal movement of the toothed segment 20 about the axis 11 (see FIG. 5).
  • the holding member 13 having turned into a receiving position located in the printing radius by means of the control lever 22 supported on the mounting rail 21.
  • control lever stop 25 In this course of movement the control lever stop 25 is held against the axis 11 by the draw spring 25b and the holding member 13 is guided over the printing radius so that, without its own axial rotation, the member 13 describes a pivotal movement about the axis 11.
  • the spring 25 retains the lever 25 during printing against the abutment formed by axis 11 so that accidentiai movement of the bottle base receiving space is prevented.
  • the body to be printed cannot be moved apart from its rolling engagement movement required for the printing operation and, therefore, smudging of the printing image is virtually impossible.
  • the holding member 13 When the screen 19 reaches the end position of its movement, the holding member 13 is returned to a de livery position corresponding to the receiving position, and it is then able to transfer the printed article 10 to the same drives 16 of the conveyor 15, which drives have hitherto been stationary.
  • the conveyor l/l6 then moves on by a certain amount and moves the next following article on the conveyor to the receiving and delivery position.
  • the articles 10 to be printed are always delivered by the conveyor 15/16 at the same point in the oval printing device and received again thereby; this position lies in the direction of movement of the conveyor l5, l6 behind the pivotal axis ll on one side of the oval printing device.
  • the stopping time of the conveyor l5, 16 is selected so that it corresponds to the time in which the article l0 can be pivoted by the oval printing device into the initial position of the printing process, be printed by rolling over the screen 19 with opposed pivoting of the oval printing device and then returned again to the starting position.
  • the rolling gear 20 and the recess 13 correspond in their shape and size to the particular oval shape and the particular printing radius, that is, the curvature of the surface of the article to be'printed. To print various oval shapes it is only necessary to replace the rolling gear 20 with the recess 13.
  • the entire oval printing device may be easily and rapidly removed from the screen printing machine, and other devices may also be provided on the machine for cylindrical or flat articles.
  • control means such as control means, levers or stops running in cam plates mayalso be provided.
  • the holding members 13 and 14 are synchronised in their pivotal movement by the gears 29, 33 shaft and pinions 31, 32.
  • a printing station including a printing screen and a doctor blade disposed over said printing screen, an intermittent conveyor located below said printing station and adapted to move in a predetermined direction and including intermittently-moved chains including article-transporting members located thereon and having receiving recesses for receiving an article to be printed and for moving said article in said predetermined direction,
  • a holding device for said article located between said intermittent conveyor and said printing station, said holding device having two oppositely arranged holding members disposed above said intermittent conveyor, variably spaced relative to one another, each of said holding members adapted to releasably retain an end of said article,
  • said holding device further including means for moving said article in a predetermined path from a receiving position to a delivery position, said moving means adapted to move said article in a generally curved path and into a printing plane in a direction opposite to the direction of said conveyor, wherein said printing station-prints on said article,
  • said means for moving said article including a first gear adapted to mesh with a racked bar connected to said printing stencil, a rotary shaft connected to said first gear and mounted on one of said holding members, and a control lever and a stop rail connected to said rotary shaft, said control lever and said stop rail constructed such that when said control lever stops against said stop rail said rotary shaft continues to rotate and said holding members are moved for moving said article, said control lever further including means for spring loading and retaining said control lever and including a stop adapted to cooperate with an abutment wherein said stop is lifted off said abutment when said control lever strikes said stop rail.
  • each holding member is located on an upper gear segment forming a gear wheel, which in thecircle of contact is similar to the curvature of the article to be printed, and on a second lower toothed segment rotatably mounted on a pedestal bearing forming a transfer gear wheel and detachably secured in the lower toothed segment, the upper gear segments with their tooth regions being located opposite one another and the two lower tooth segments synchronously coupled by means ofa gear wheel meshing therewith and rigidly connected to these gear wheels.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Printed Wiring (AREA)
  • Screen Printers (AREA)
  • Discharge By Other Means (AREA)
US00138676A 1970-04-30 1971-04-29 Screen printing machine for articles with curved non-circular cross-sectional Expired - Lifetime US3810422A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT398070A AT324358B (de) 1970-04-30 1970-04-30 Siebdruckma schine

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US3810422A true US3810422A (en) 1974-05-14

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US00138676A Expired - Lifetime US3810422A (en) 1970-04-30 1971-04-29 Screen printing machine for articles with curved non-circular cross-sectional

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US (1) US3810422A (fr)
AT (1) AT324358B (fr)
BE (1) BE766172A (fr)
BR (1) BR7102609D0 (fr)
DE (1) DE2118643A1 (fr)
FR (1) FR2090693A5 (fr)
GB (1) GB1341238A (fr)
NL (1) NL7105876A (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122768A (en) * 1977-04-19 1978-10-31 Dubuit Of America, Inc. Screen printing press attachment for printing objects of revolution
US4254706A (en) * 1979-03-22 1981-03-10 American Screen Printing Equipment Company Accessory for printing oval objects
US4323033A (en) * 1980-09-15 1982-04-06 Vyzkumny Ustav Zivocisne Vyroby Uhrineves Mobile arrangement for a group stabling and handling of farm animals
US4848227A (en) * 1981-04-16 1989-07-18 S.P.A. O.M.S.O. -- Officina Macchine Per Stampa Su Oggetti Device for the silk-screen printing of cylindrical objects having an elliptical cross-section
US4958559A (en) * 1988-10-04 1990-09-25 American Screen Printing Company Cylinder press drive assembly
US5339732A (en) * 1991-05-03 1994-08-23 M.O.S.S.-S.R.L. Machine for silk-screen printing decoration of the outer sides of containers in general
US5343804A (en) * 1993-04-05 1994-09-06 Karlyn William M Apparatus and method for the silk-screen printing of multiple curved peripheral surfaces of an article defined by multiple curved peripheral surfaces
ES2123350A1 (es) * 1994-05-25 1999-01-01 Ind Maquinaria Serigrafia Y Gr Perfeccionamientos introducidos en las maquinas de impresion serigrafica de productos unitarios rigidos y semirigidos.
US9713920B2 (en) * 2012-08-31 2017-07-25 Kammann Spezialmaschinen Und Steuerungstechnik Gmbh Method and apparatus for decorating objects by means of screen printing
CN110525019A (zh) * 2019-09-05 2019-12-03 罗婉青 一种油桶标签丝印设备
US11717728B1 (en) * 2022-02-28 2023-08-08 Acushnet Company Golf ball having markings spaced from a centerline plane

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1078521B (it) * 1976-04-01 1985-05-08 Omso Spa Perfezionamenti alla macchina per la stampa serigrafica di superfici cilindriche a sezione ellittica
GB2265335A (en) * 1992-03-20 1993-09-29 Liao Min San Article handling and screen printing machine
DE10156041B4 (de) * 2001-11-15 2015-12-17 Zf Friedrichshafen Ag Hydrodynamische Kopplungseinrichtung
EP1998598A1 (fr) * 2007-06-01 2008-12-03 Sgl Carbon Ag Procédé destiné à la graphitisation de carbones

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2971629A (en) * 1956-03-26 1961-02-14 Injection Molding Company Silk screen printing apparatus improvement
US3159100A (en) * 1963-02-08 1964-12-01 Monsanto Co Method and apparatus for forming indicia on articles
US3250212A (en) * 1963-05-02 1966-05-10 Uschmann Gerhard Machine for the automatic printing of hollow plastic articles or the like

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2971629A (en) * 1956-03-26 1961-02-14 Injection Molding Company Silk screen printing apparatus improvement
US3159100A (en) * 1963-02-08 1964-12-01 Monsanto Co Method and apparatus for forming indicia on articles
US3250212A (en) * 1963-05-02 1966-05-10 Uschmann Gerhard Machine for the automatic printing of hollow plastic articles or the like

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122768A (en) * 1977-04-19 1978-10-31 Dubuit Of America, Inc. Screen printing press attachment for printing objects of revolution
US4254706A (en) * 1979-03-22 1981-03-10 American Screen Printing Equipment Company Accessory for printing oval objects
US4323033A (en) * 1980-09-15 1982-04-06 Vyzkumny Ustav Zivocisne Vyroby Uhrineves Mobile arrangement for a group stabling and handling of farm animals
US4848227A (en) * 1981-04-16 1989-07-18 S.P.A. O.M.S.O. -- Officina Macchine Per Stampa Su Oggetti Device for the silk-screen printing of cylindrical objects having an elliptical cross-section
US4958559A (en) * 1988-10-04 1990-09-25 American Screen Printing Company Cylinder press drive assembly
EP0516968B1 (fr) * 1991-05-03 1995-06-28 M.O.S.S. - S.r.l. Machine à imprimer sérigraphique pour la décoration de la surface extérieure de récipients en général
US5339732A (en) * 1991-05-03 1994-08-23 M.O.S.S.-S.R.L. Machine for silk-screen printing decoration of the outer sides of containers in general
US5343804A (en) * 1993-04-05 1994-09-06 Karlyn William M Apparatus and method for the silk-screen printing of multiple curved peripheral surfaces of an article defined by multiple curved peripheral surfaces
US5419213A (en) * 1993-04-05 1995-05-30 Karlyn; William M. Apparatus and method for the silk-screen printing of multiple curved peripheral surfaces of an article defined by multiple curved peripheral surfaces
ES2123350A1 (es) * 1994-05-25 1999-01-01 Ind Maquinaria Serigrafia Y Gr Perfeccionamientos introducidos en las maquinas de impresion serigrafica de productos unitarios rigidos y semirigidos.
US9713920B2 (en) * 2012-08-31 2017-07-25 Kammann Spezialmaschinen Und Steuerungstechnik Gmbh Method and apparatus for decorating objects by means of screen printing
CN110525019A (zh) * 2019-09-05 2019-12-03 罗婉青 一种油桶标签丝印设备
US11717728B1 (en) * 2022-02-28 2023-08-08 Acushnet Company Golf ball having markings spaced from a centerline plane
US20230271064A1 (en) * 2022-02-28 2023-08-31 Acushnet Company Golf ball having markings spaced from a centerline plane

Also Published As

Publication number Publication date
DE2118643A1 (de) 1971-12-09
GB1341238A (en) 1973-12-19
NL7105876A (fr) 1971-11-02
BE766172A (fr) 1971-09-16
AT324358B (de) 1975-08-25
BR7102609D0 (pt) 1973-05-15
FR2090693A5 (fr) 1972-01-14

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