CN109455001B - Method for improving synchronous double-sided inkjet double-sided alignment precision and device for implementing method - Google Patents

Method for improving synchronous double-sided inkjet double-sided alignment precision and device for implementing method Download PDF

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Publication number
CN109455001B
CN109455001B CN201710795065.3A CN201710795065A CN109455001B CN 109455001 B CN109455001 B CN 109455001B CN 201710795065 A CN201710795065 A CN 201710795065A CN 109455001 B CN109455001 B CN 109455001B
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spray painting
roller
cloth
medium
synchronous
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CN109455001A (en
Inventor
梁健
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Shenyang Sky Air Ship Digital Printing Equipment Co ltd
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Shenyang Sky Air Ship Digital Printing Equipment Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/60Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing on both faces of the printing material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4078Printing on textile
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06BTREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/04Carriers or supports for textile materials to be treated
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P7/00Dyeing or printing processes combined with mechanical treatment

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

The invention belongs to the field of synchronous double-sided spray painting, in particular to a method for improving the double-sided alignment precision of synchronous double-sided spray painting and a device for implementing the method, wherein a spray painting medium runs between a cloth laying roller and a cloth collecting roller, the front side and the back side of the spray painting medium are respectively sprayed and painted through a front side spray painting unit and a back side spray painting unit, and the surface is changed between the front side spray painting and the back side spray painting; and between the front side spray painting and the back side spray painting, the tightness adjustment is carried out on the spray painting medium, so that the correction of the double-sided alignment precision is realized, and the double-sided alignment precision is improved. According to the invention, between front side spray painting and back side spray painting, the tightness adjustment is carried out on different parts of the spray painting medium through the cloth guide device, so that the purpose of correcting double-sided alignment precision is achieved, and the double-sided spray painting alignment precision is improved.

Description

Method for improving synchronous double-sided inkjet double-sided alignment precision and device for implementing method
Technical Field
The invention belongs to the field of synchronous double-sided spray painting, and particularly relates to a method for improving double-sided alignment precision of synchronous double-sided spray painting and a device for implementing the method.
Background
At present, the minimum error of the front and back alignment precision of a synchronous double-sided spray drawing system on the market is about 0.5mm, and the error of the spray drawing precision is obvious when a picture is watched in a short distance; in the industry, the error value is relatively large, and the requirement of customers on precision cannot be met.
Disclosure of Invention
In order to meet the precision requirement of synchronous double-sided spray painting and reduce double-sided alignment errors, the invention aims to provide a method for improving the precision of synchronous double-sided spray painting double-sided alignment and a device for implementing the method.
The aim of the invention is realized by the following technical scheme:
the method for improving the double-sided alignment precision of the synchronous double-sided spray painting comprises the following steps:
The front side and the back side of the spray painting medium are respectively sprayed and painted through a front side spray painting unit and a back side spray painting unit, and the surface of the spray painting medium is changed between the front side spray painting and the back side spray painting; between the front side spray painting and the back side spray painting, the double-sided alignment precision is corrected by performing tightness adjustment on the spray painting medium, and the double-sided alignment precision is improved;
Wherein: a cloth guide device is arranged above or below the spray painting medium between the front spray painting and the back spray painting, the spray painting medium is subjected to tightness adjustment by the cloth guide device, and the double-sided alignment precision is improved by correcting the local tightness of the spray painting medium;
The device for improving the synchronous double-sided inkjet double-sided alignment precision comprises a cloth releasing roller, a front inkjet unit, a front inkjet track beam, an inkjet roller A, an inkjet roller B, a back inkjet unit, a back inkjet track beam, a cloth collecting roller and a cloth guiding device, wherein the front inkjet unit and the back inkjet unit are respectively arranged on the front inkjet track beam and the back inkjet track beam, the inkjet roller A and the inkjet roller B are respectively arranged below or at the side of the front inkjet unit and the back inkjet unit, the inkjet roller A and the inkjet roller B synchronously rotate reversely, and inkjet media are respectively wound on the inkjet roller A and the inkjet roller B and drive cloth to move through the active synchronous rotation of the inkjet roller A and the inkjet roller B; the spray painting medium is put by a cloth putting roller, the front side and the back side of the spray painting medium are respectively sprayed on a spray painting roller A and a spray painting roller B, the spray painting medium realizes surface changing between the spray painting roller A and the spray painting roller B, and the spray painting medium after double-sided spray painting is collected by the cloth collecting roller; a cloth guide device for adjusting tightness of the spray painting medium is arranged above or below the spray painting medium between the spray painting roller A and the spray painting roller B;
Wherein: the spray painting roller A and the spray painting roller B are driving rollers and are respectively connected with independent power sources, and the independent power sources are used for driving the synchronous reverse rotation; any one of the spray painting roller A and the spray painting roller B is a driving roller and is connected with a power source, the power source drives the spray painting roller A and the spray painting roller B to rotate, the other spray painting roller A and the spray painting roller B are connected with the driving roller through a transmission mechanism, and synchronous and reverse rotation of the spray painting roller A and the spray painting roller B is realized through transmission of the transmission mechanism; or the other one is driven by the driving roller to synchronously and reversely rotate through friction force between the driving roller and the spray painting medium; the spray painting surfaces of the spray painting medium on the spray painting roller A and the spray painting roller B are cambered surfaces;
the device for improving the synchronous double-sided inkjet double-sided alignment precision comprises a cloth releasing roller, a front inkjet unit, a front inkjet track beam, a front inkjet platform, a rotating roller A, a rotating roller B, a back inkjet unit, a back inkjet track beam, a back inkjet platform, a cloth collecting roller and a cloth guiding device, wherein the front inkjet unit and the back inkjet unit are respectively arranged on the front inkjet track beam and the back inkjet track beam, the front inkjet platform and the back inkjet platform are respectively arranged below the front inkjet unit and the back inkjet unit, the rotating roller A and the rotating roller B synchronously and reversely rotate, inkjet media are respectively wound on the rotating roller A and the rotating roller B, and the active synchronous rotation of the rotating roller A and the rotating roller B drives cloth to move; the spray painting medium is laid by a cloth laying roller, front spray painting is carried out between a front spray painting unit and a front spray painting platform, back spray painting is carried out between a back spray painting unit and a back spray painting platform, a surface is replaced between the front spray painting and the back spray painting, and the spray painting medium after double-sided spray painting is collected by the cloth collecting roller; a cloth guide device for adjusting tightness of the spray painting medium is arranged above or below the spray painting medium between the front spray painting platform and the back spray painting platform;
Wherein: the rotating roller A and the rotating roller B are driving rollers and are respectively connected with independent power sources, and the synchronous reverse rotation is driven by the respective power sources; one of the rotating roller A and the rotating roller B is a driving roller, the other is a driven roller, the driven roller is connected with the driving roller through a transmission mechanism, and synchronous and reverse rotation of the driving roller and the driven roller is realized by the transmission of the transmission mechanism; or the driven roller is driven by the driving roller to synchronously and reversely rotate through friction force between the driven roller and the spray painting medium; the spray painting surfaces of the spray painting medium on the front spray painting platform and the back spray painting platform are planes;
The transmission mechanism comprises a synchronous pulley A, a synchronous belt A, a gear A, a synchronous pulley B, a gear B, a synchronous pulley C, a synchronous belt B and a synchronous pulley D, wherein the synchronous pulley A is coaxially linked with the spray drawing roller A or the driving roller and is connected with the synchronous pulley B through the synchronous belt A, the gear A is coaxially linked with the synchronous pulley B, the synchronous pulley D is coaxially linked with the spray drawing roller B or the driven roller and is connected with the synchronous pulley C through the synchronous belt B, and the gear B is coaxially linked with the synchronous pulley C and is meshed with the gear A for transmission;
The cloth guiding device comprises a cloth guiding plate and a plurality of tightness adjusting components arranged on the cloth guiding plate, each tightness adjusting component comprises a section bar, a tension spring, a pull ring and an adjusting screw, the section bar is arranged on the cloth guiding plate, one end of the tension spring is connected to the section bar, the other end of the tension spring is connected with the pull ring arranged on the cloth guiding plate, the adjusting screw is in threaded connection with the section bar, the cloth guiding plate is jacked up by screwing the adjusting screw, and therefore local tightness adjustment of spray painting media on the cloth guiding plate is achieved, and the adjusted cloth guiding plate is reset through the tension spring;
The cloth guiding device comprises a cloth guiding plate, a bottom plate and a plurality of air cylinders, wherein the bottom plate is arranged on the cloth guiding plate, a plurality of air cylinders located between the cloth guiding plate and the bottom plate are uniformly distributed on the bottom plate, the cloth guiding plate is pushed by the pistons of the air cylinders, and then the local tightness adjustment of the spray painting medium on the cloth guiding plate is realized.
The invention has the advantages and positive effects that:
According to the invention, between front side spray painting and back side spray painting, the tightness adjustment is carried out on different parts of the spray painting medium through the cloth guide device, so that the purpose of correcting double-sided alignment precision is achieved, and the double-sided spray painting alignment precision is improved.
Drawings
FIG. 1 is a schematic view of a first embodiment of the apparatus of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of the apparatus of the present invention;
FIG. 3 is a schematic view of a third embodiment of the device of the present invention
FIG. 4 is a schematic view of a fourth embodiment of the apparatus of the present invention;
FIG. 5 is a schematic view of a fifth embodiment of the apparatus of the present invention;
FIG. 6 is a schematic view of a sixth embodiment of the apparatus of the present invention;
FIG. 7 is a schematic view of a seventh embodiment of the apparatus of the present invention;
FIG. 8 is a schematic view of an embodiment eight of the apparatus of the present invention;
FIG. 9 is a schematic view of a construction of a ninth embodiment of the apparatus of the present invention;
FIG. 10 is a schematic view of a tenth embodiment of the apparatus of the present invention;
FIG. 11 is a schematic structural view of the cloth guide apparatus of the present invention;
FIG. 12 is a schematic view of another structure of the cloth guide apparatus of the present invention;
Wherein: 1 is a cloth collecting and releasing roller A,2 is a front spray painting track beam, 3 is a front spray painting trolley, 4 is a front spray painting device, 5 is a spray painting roller A,6 is a cloth guiding roller, 7 is a back spray painting device, 8 is a spray painting roller B,9 is a back spray painting trolley, 10 is a back spray painting track beam, 11 is a cloth collecting and releasing roller B,12 is a spray painting medium, 13 is a synchronous pulley A,14 is a synchronous belt A,15 is a synchronous pulley B,16 is a gear A,17 is a gear B,18 is a synchronous pulley C,19 is a synchronous belt B,20 is a synchronous pulley D,21 is a cloth guiding device, 2101 is an adjusting screw, 2102 is a cloth guiding plate, 2103 is a tension spring, 2104 is a section bar, 2105 is a pull ring, 2106 is a cylinder, 2107 is a bottom plate, 22 is a front spray painting unit, 23 is a driving roller, 24 is a driven roller, 25 is a back spray painting unit, 26 is a front spray painting platform, and 27 is a back spray painting platform.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
Example 1
The device for improving the alignment precision of the synchronous double-sided inkjet printing comprises a cloth releasing roller, a front-sided inkjet printing unit, a front-sided inkjet printing track beam 2, an inkjet printing roller A5, an inkjet printing roller B8, a back-sided inkjet printing unit, a back-sided inkjet printing track beam 10, a cloth collecting roller and a cloth guiding device 21, as shown in fig. 1, the cloth releasing roller is a cloth collecting roller A1, the cloth collecting roller is a cloth collecting roller B11, and the cloth collecting rollers are respectively positioned at two sides of the inkjet printing roller A5 and the inkjet printing roller B8; according to actual working requirements, the cloth collecting and releasing roller A1 and the cloth collecting and releasing roller B11 can be exchanged, the cloth collecting and releasing roller B11 is used as a cloth collecting roller, and the cloth collecting and releasing roller A1 is used as a cloth collecting roller. The front painting track beam 2 and the back painting track beam 10 are respectively fixed on the frame, the two track beams are parallel to each other, and the front painting unit and the back painting unit are respectively arranged on the front painting track beam 2 and the back painting track beam 10 in a manner of being capable of moving back and forth along the width direction of the painting medium 12. The front side spray painting unit and the back side spray painting unit are both in the prior art, and the front side spray painting unit comprises a front side spray painting trolley 3 capable of moving back and forth on a front side spray painting track beam 2 and a front side spray painting spray nozzle 4 fixed on the front side spray painting trolley 3; the back painting unit comprises a back painting trolley 9 capable of reciprocating on a back painting track beam 10 and a back painting spray head 7 fixed on the back painting trolley 9. Or the front side painting units and the back side painting units are respectively arranged on the front side painting track beam 2 and the back side painting track beam 10 in parallel, the front spray painting nozzle 4 and the back spray painting nozzle 7 are all fixed during spray painting.
A spray roller A5 is arranged below or beside the front spray nozzle 4 (below the front spray nozzle 4 in the embodiment), a spray roller B8 is arranged below or beside the back spray nozzle 7 (below the back spray nozzle 7 in the embodiment), and a cloth guide roller 6 is arranged between the cloth collecting and releasing roller B11 and the spray roller A5; the spray painting roller A5, the spray painting roller B8, the cloth guide roller 6, the cloth collecting and releasing roller A1 and the cloth collecting and releasing roller B11 can be respectively rotatably arranged on the frame.
The spray painting roller A5 and the spray painting roller B8 synchronously and reversely rotate, the spray painting medium 12 is respectively wound on the spray painting roller A5 and the spray painting roller B8, and the spray painting roller A5 and the spray painting roller B8 actively and synchronously rotate to drive the cloth to move. The spray painting roller A5 in this embodiment is a driving roller, and is connected to an independent power source (which may be a driving motor mounted on a frame), and is driven by the power source to rotate synchronously and reversely. The spray roller B8 is a driven roller, and is driven by a driving roller (spray roller A5) to synchronously rotate reversely through friction force with the spray medium 12. Preferably, the diameter of the spray roller A5 is the same as that of the spray roller B8; the spray painting medium 12 winds on one side of the spray painting roller A5 and the spray painting roller B8 facing outwards, and spray painting surfaces of the spray painting medium 12 on the spray painting roller A5 and the spray painting roller B8 are cambered surfaces.
A cloth guide 21 for adjusting tightness of the spray painting medium 12 is arranged below the spray painting medium 12 between the spray painting roller A5 and the spray painting roller B8, and the cloth guide 21 can be arranged on a frame. As shown in fig. 11, the cloth guide device 21 includes a cloth guide plate 2102 and a plurality of tightness adjustment assemblies mounted on the lower surface of the cloth guide plate 2102, each tightness adjustment assembly includes a section bar 2104, a tension spring 2103, a pull ring 2105 and an adjustment screw 2101, the end surface of the section bar 2104 is in an L shape, one side is welded on the lower surface of the cloth guide plate 2102, and the end of the other side is provided with a hole; one end of the tension spring 2103 is connected with the opening of the other edge of the L-shaped section 2104, and the other end is connected with a pull ring 2105 welded on the lower surface of the cloth guide plate 2102. The adjusting screw 2101 is in threaded connection with the other edge of the L-shaped section 2104, and the adjusting screw 2101 is screwed to lift the part of the cloth guide plate 2102, so that the up-and-down lifting of different parts of the spray painting medium 12 on the cloth guide plate 2102 is realized, the tightness is adjusted, and the purpose of correcting the double-sided alignment precision is achieved; the adjusted cloth guide 2102 is reset by the tension spring 2103.
As shown in fig. 12, in another structural form of the cloth guide device 21, the cloth guide device comprises a cloth guide plate 2102, a bottom plate 2107 and a plurality of air cylinders 2106, wherein the bottom plate 2107 is installed below the cloth guide plate 2102, a plurality of air cylinders 2106 located between the cloth guide plate 2102 and the bottom plate 2107 are uniformly distributed on the bottom plate 2107, the air cylinders 2106 can be arranged in a matrix, the cloth guide plate 2102 is pushed by the piston of each air cylinder 2106, and then the purpose of up-down lifting and down lifting of different parts of the spray painting medium 12 on the cloth guide plate 2102 and further adjusting tightness are achieved, so that the purpose of correcting double-sided alignment accuracy is achieved.
The method for improving the double-sided alignment precision of the synchronous double-sided inkjet printing in the embodiment comprises the following steps:
The spray painting medium 12 is discharged by a cloth collecting and discharging roller A1, and a spray painting roller A5 serving as a driving roller is driven by an independent power source and rotates synchronously and reversely with a spray painting roller B8; the spray painting medium 12 is respectively wound on the spray painting roller A5 and the spray painting roller B8, the spray painting roller A5 actively rotates to drive the spray painting medium 12 to run, and the spray painting medium 12 drives the spray painting roller B8 to rotate in a driven manner through friction force. On the spray-painting roller A5, the front surface of the spray-painting medium 12 is sprayed and painted by the front surface spray-painting nozzle 4; on the spray-painting roller B8, the back of the spray-painting medium 12 is sprayed and painted by a back spray-painting nozzle 7; the surface of the spray painting medium 12 is changed between the spray painting roller A5 and the spray painting roller B8, and the spray painting medium 12 after double-sided spray painting is collected by the collecting and releasing cloth roller B11. The double-sided synchronous spray painting process of the spray painting medium 12 is realized.
Between front painting and back painting, the corresponding part of the cloth guide plate 2102 is jacked up by screwing the adjusting screws 2101 at different parts or lifting the pistons of the cylinders 2106 at different parts, so that the deformation adjustment (the deformation amount is not more than 1 cm) of the corresponding part of the painting medium 12 is realized, the influence of machine manufacturing errors, the manufacturing errors of the painting medium 12 or the double-sided alignment precision caused by corrosion of the painting medium 12 after one painting is made up, and the double-sided alignment precision is improved.
Example two
As shown in fig. 2, the present embodiment is different from the first embodiment in that: the spray roller B8 in this embodiment is a driving roller, the spray roller A5 is a driven roller, and the driving roller (spray roller B8) drives the synchronous reverse rotation through the friction with the spray medium 12. The other is the same as in the first embodiment.
Example III
As shown in fig. 3, the present embodiment is different from the first embodiment in that: in this embodiment, the spray roller A5 and the spray roller B8 are driving rollers, and are respectively connected to independent power sources, and are driven by the power sources to rotate synchronously and reversely. The other is the same as in the first embodiment.
Example IV
As shown in fig. 4, the present embodiment is different from the first embodiment in that: only one driving roller is adopted, namely, the spray painting roller A5 or the spray painting roller B8; in the embodiment, the spray painting roller A5 is used as a driving roller and is connected with a power source arranged on a frame, and the power source directly drives the spray painting roller A to rotate. The other spray drawing roller B8 is connected with the spray drawing roller A5 serving as a driving roller through a transmission mechanism to realize synchronous and reverse rotation.
The transmission mechanism of the embodiment comprises a synchronous pulley A13, a synchronous belt A14, a gear A16, a synchronous pulley B15, a gear B17, a synchronous pulley C18, a synchronous belt B19 and a synchronous pulley D20, wherein the synchronous pulley A13 is coaxially interlocked with a spray drawing roller A5 serving as a driving roller and is connected with the synchronous pulley B15 rotatably arranged on a rack through the synchronous belt A14, and the gear A16 is coaxially interlocked with the synchronous pulley B15; the synchronous belt wheel D20 is coaxially interlocked with the spray drawing roller B8 which is not connected with a power source, and is connected with the synchronous belt wheel C18 rotatably arranged on the frame through the synchronous belt B19, and the gear B17 is coaxially interlocked with the synchronous belt wheel C18 and is meshed with the gear A16 for transmission, so that reversing is realized. Thus, the inkjet roller A5 and the inkjet roller B8 are synchronously rotated in the reverse direction.
The method for improving the double-sided alignment precision of the synchronous double-sided inkjet printing in the embodiment comprises the following steps:
The spray painting medium 12 is spread by a cloth winding and unwinding roller A1, a spray painting roller A5 serving as a driving roller is driven by a power source, and a spray painting roller B8 and the spray painting roller A5 synchronously and reversely rotate through a transmission mechanism; the spray painting medium 12 is wound on the spray painting roller A5 and the spray painting roller B8 respectively, and the spray painting medium 12, the spray painting roller A5 and the spray painting roller B8 drive cloth to move through the active rotation of the spray painting roller A5 and the spray painting roller B8. On the spray-painting roller A5, the front surface of the spray-painting medium 12 is sprayed and painted by the front surface spray-painting nozzle 4; on the spray-painting roller B8, the back of the spray-painting medium 12 is sprayed and painted by a back spray-painting nozzle 7; the surface of the spray painting medium 12 is changed between the spray painting roller A5 and the spray painting roller B8, and the spray painting medium 12 after double-sided spray painting is collected by the collecting and releasing cloth roller B11. The double-sided synchronous spray painting process of the spray painting medium 12 is realized.
Between front painting and back painting, the corresponding part of the cloth guide plate 2102 is jacked up by screwing the adjusting screws 2101 at different parts or lifting the pistons of the cylinders 2106 at different parts, so that the deformation adjustment (the deformation amount is not more than 1 cm) of the corresponding part of the painting medium 12 is realized, the influence of machine manufacturing errors, the manufacturing errors of the painting medium 12 or the double-sided alignment precision caused by corrosion of the painting medium 12 after one painting is made up, and the double-sided alignment precision is improved.
Example five
The device for improving the alignment precision of the synchronous double-sided inkjet printing of the embodiment comprises a cloth collecting roller, a front-sided inkjet printing unit 22, a front-sided inkjet printing track beam 2, a front-sided inkjet printing platform 26, a rotating roller A, a rotating roller B, a back-sided inkjet printing unit, a back-sided inkjet printing track beam 10, a back-sided inkjet printing platform 27, a cloth collecting roller and a cloth guiding device 21, as shown in fig. 5, the cloth collecting roller is a cloth collecting roller A1, the cloth collecting roller is a cloth collecting roller B11, the cloth collecting roller A1 and the cloth collecting roller B11 are arranged up and down, and according to actual working needs, the cloth collecting roller A1 and the cloth collecting roller B11 can be exchanged, and the cloth collecting roller A1 can be used as the cloth collecting roller.
The front painting track beam 2 and the back painting track beam 10 are respectively fixed on a frame, the two track beams are parallel to each other, and the front painting unit 22 and the back painting unit 25 are respectively mounted on the front painting track beam 2 and the back painting track beam 10 in a manner of being capable of reciprocating along the width direction of the painting medium 12. The front side painting unit 22 and the back side painting unit 25 are both in the prior art, and the front side painting unit 22 comprises a front side painting trolley capable of moving back and forth on the front side painting track beam 2 and a front side painting spray head fixed on the front side painting trolley; the back painting unit 25 includes a back painting carriage reciprocally movable on the back painting rail beam 10 and a back painting nozzle fixed on the back painting carriage. Or the front side painting unit 22 and the back side painting unit 25 are respectively arranged on the front side painting track beam 2 and the back side painting track beam 10 in parallel, the front side spray painting nozzle and the back side spray painting nozzle are fixed during spray painting.
A front painting platform 26 and a back painting platform 27 which are installed on the frame are respectively arranged below the front painting unit 22 and the back painting unit 25, the painting medium 12 is respectively distributed between the front painting unit 22 and the front painting platform 26 and between the back painting unit 25 and the back painting platform 27, and the painting surfaces of the painting medium 12 on the front painting platform 26 and the back painting platform 27 are planes.
A rotating roller A and a rotating roller B are respectively arranged under the front side spray painting unit 22 and the back side spray painting unit 25, and a cloth guide roller 6 is arranged between the cloth collecting and releasing roller A1 and the front side spray painting platform 26; the rotating roller A, the rotating roller B, the cloth guide roller 6, the cloth collecting and releasing roller A1 and the cloth collecting and releasing roller B11 can be respectively and rotatably arranged on the frame.
The rotating roller A and the rotating roller B synchronously rotate reversely, the spray painting medium 12 is respectively wound on the rotating roller A and the rotating roller B, and the cloth is driven by the active synchronous rotation of the rotating roller A and the rotating roller B. The rotating roller a in this embodiment is a driving roller 23, and is connected to an independent power source (which may be a driving motor mounted on a frame), and is driven to rotate synchronously and reversely by the power source. The rotating roller B is a driven roller 24, and is driven by the driving roller 23 to synchronously rotate reversely by friction with the inkjet medium 12. Preferably, the diameter of the driving roller 23 is the same as that of the driven roller 24; the inkjet medium 12 is wound around the outward side of the driving roller 23 and the driven roller 24.
Below the painting medium 12 between the front painting platform 26 and the back painting platform 27, a cloth guiding device 21 for adjusting tightness of the painting medium 12 is arranged, and the cloth guiding device 21 can be installed on a rack. As shown in fig. 11, the cloth guide device 21 includes a cloth guide plate 2102 and a plurality of tightness adjustment assemblies mounted on the lower surface of the cloth guide plate 2102, each tightness adjustment assembly includes a section bar 2104, a tension spring 2103, a pull ring 2105 and an adjustment screw 2101, the end surface of the section bar 2104 is in an L shape, one side is welded on the lower surface of the cloth guide plate 2102, and the end of the other side is provided with a hole; one end of the tension spring 2103 is connected with the opening of the other edge of the L-shaped section 2104, and the other end is connected with a pull ring 2105 welded on the lower surface of the cloth guide plate 2102. The adjusting screw 2101 is in threaded connection with the other edge of the L-shaped section 2104, and the adjusting screw 2101 is screwed to lift the part of the cloth guide plate 2102, so that the up-and-down lifting of different parts of the spray painting medium 12 on the cloth guide plate 2102 is realized, the tightness is adjusted, and the purpose of correcting the double-sided alignment precision is achieved; the adjusted cloth guide 2102 is reset by the tension spring 2103.
As shown in fig. 12, in another structural form of the cloth guide device 21, the cloth guide device comprises a cloth guide plate 2102, a bottom plate 2107 and a plurality of air cylinders 2106, wherein the bottom plate 2107 is installed below the cloth guide plate 2102, a plurality of air cylinders 2106 located between the cloth guide plate 2102 and the bottom plate 2107 are uniformly distributed on the bottom plate 2107, the air cylinders 2106 can be arranged in a matrix, the cloth guide plate 2102 is pushed by the piston of each air cylinder 2106, and then the purpose of up-down lifting and down lifting of different parts of the spray painting medium 12 on the cloth guide plate 2102 and further adjusting tightness are achieved, so that the purpose of correcting double-sided alignment accuracy is achieved.
The method for improving the double-sided alignment precision of the synchronous double-sided inkjet printing in the embodiment comprises the following steps:
The spray painting medium 12 is discharged by a cloth collecting and discharging roller A1, a driving roller 23 is driven by an independent power source and synchronously and reversely rotates with a driven roller 24; the spray painting medium 12 is respectively wound on a driving roller 23 and a driven roller 24, the driving roller 23 actively rotates to drive the spray painting medium 12 to run, and the spray painting medium 12 drives the driven roller 24 to rotate driven by friction force. On the front side spray painting platform 26, the front side spray painting unit 22 sprays and paints the front side of the spray painting medium 12; on the back surface painting platform 27, the back surface of the painting medium 12 is painted by the back surface painting unit 25; the spray painting medium 12 has a surface changing between front spray painting and back spray painting, and the spray painting medium 12 after double-sided spray painting is collected by a collecting and releasing cloth roller B11. The double-sided synchronous spray painting process of the spray painting medium 12 is realized.
Between front painting and back painting, the corresponding part of the cloth guide plate 2102 is jacked up by screwing the adjusting screws 2101 at different parts or lifting the pistons of the cylinders 2106 at different parts, so that the deformation adjustment (the deformation amount is not more than 1 cm) of the corresponding part of the painting medium 12 is realized, the influence of machine manufacturing errors, the manufacturing errors of the painting medium 12 or the double-sided alignment precision caused by corrosion of the painting medium 12 after one painting is made up, and the double-sided alignment precision is improved.
Example six
As shown in fig. 6, the present embodiment differs from the fifth embodiment in that: the rotating roller B of the present embodiment is a driving roller 23, the rotating roller a is a driven roller 24, and the driving roller 23 (rotating roller B) is driven to synchronously rotate reversely by friction with the inkjet medium 12. The other components are the same as those of the fifth embodiment.
Example seven
As shown in fig. 7, the present embodiment differs from the fifth embodiment in that: in this embodiment, the rotating roller a and the rotating roller B are both driving rollers 23, and are respectively connected to independent power sources, and are driven by the power sources to synchronously and reversely rotate. The other components are the same as those of the fifth embodiment.
Example eight
As shown in fig. 8, the present embodiment differs from the fifth embodiment in that: only one driving roller is provided, and the driving roller is either a rotating roller A or a rotating roller B; in the embodiment, the rotating roller A is provided as a driving roller 23, and is connected with a power source arranged on a frame and directly driven to rotate by the power source. The other rotating roller B is used as a driven roller 24 and is connected with the driving roller 23 through a transmission mechanism to realize synchronous and reverse rotation.
The transmission mechanism of the embodiment comprises a synchronous pulley A13, a synchronous belt A14, a gear A16, a synchronous pulley B15, a gear B17, a synchronous pulley C18, a synchronous belt B19 and a synchronous pulley D20, wherein the synchronous pulley A13 is coaxially linked with a driving roller 23 and is connected with the synchronous pulley B15 rotatably arranged on a frame through the synchronous belt A14, and the gear A16 is coaxially linked with the synchronous pulley B15; the synchronous pulley D20 is coaxially interlocked with the driven roller 24 and is connected with the synchronous pulley C18 rotatably arranged on the frame through the synchronous belt B19, and the gear B17 is coaxially interlocked with the synchronous pulley C18 and is meshed with the gear A16 for transmission, so that reversing is realized. Thus, the driving roller 23 and the driven roller 24 are synchronously rotated in the reverse direction.
The method for improving the double-sided alignment precision of the synchronous double-sided inkjet printing in the embodiment comprises the following steps:
The spray painting medium 12 is put by a cloth winding and unwinding roller A1, a driving roller 23 is driven by a power source, and a driven roller 24 and the driving roller 23 synchronously and reversely rotate through a transmission mechanism; the spray painting medium 12 is wound on the driving roller 23 and the driven roller 24 respectively, and the spray painting medium 12, the driving roller 23 and the driven roller 24 drive the cloth through the driving rotation of the driving roller 23 and the driven roller 24. On the front side spray painting platform 26, the front side spray painting unit 22 sprays and paints the front side of the spray painting medium 12; on the back surface painting platform 27, the back surface of the painting medium 12 is painted by the back surface painting unit 25; the surface of the spray painting medium 12 is changed between the front spray painting platform 26 and the back spray painting platform 27, and the spray painting medium 12 after double-sided spray painting is collected by the collecting and releasing cloth roller B11. The double-sided synchronous spray painting process of the spray painting medium 12 is realized.
Between front painting and back painting, the corresponding part of the cloth guide plate 2102 is jacked up by screwing the adjusting screws 2101 at different parts or lifting the pistons of the cylinders 2106 at different parts, so that the deformation adjustment (the deformation amount is not more than 1 cm) of the corresponding part of the painting medium 12 is realized, the influence of machine manufacturing errors, the manufacturing errors of the painting medium 12 or the double-sided alignment precision caused by corrosion of the painting medium 12 after one painting is made up, and the double-sided alignment precision is improved.
Example nine
As shown in fig. 9, this embodiment differs from the first embodiment in that: the cloth guide device 21 of this embodiment is disposed above the spray painting medium 12 between the spray painting roller A5 and the spray painting roller B8, that is, a plurality of tightness adjustment components in the cloth guide device 21 are mounted on the upper surface of the cloth guide plate 2102, one side of a section bar 2104 in the tightness adjustment components is welded on the upper surface of the cloth guide plate 2102, and the other end of the tension spring 2103 is connected with a pull ring 2105 welded on the upper surface of the cloth guide plate 2102. When the cloth guide 21 is another structural form shown in fig. 12, the base plate 2107 is installed above the cloth guide plate 2102. The other is the same as in the first embodiment. In addition, as described in the ninth embodiment, the cloth guide 21 of the second to fourth embodiments may be disposed above the inkjet medium 12 between the inkjet roller A5 and the inkjet roller B8.
Examples ten
As shown in fig. 10, the present embodiment differs from the fifth embodiment in that: the cloth guide device 21 of this embodiment is disposed above the painting medium 12 between the front painting platform 26 and the back painting platform 27, that is, a plurality of tightness adjustment assemblies in the cloth guide device 21 are mounted on the upper surface of the cloth guide plate 2102, one edge of a section bar 2104 in the tightness adjustment assemblies is welded on the upper surface of the cloth guide plate 2102, and the other end of a tension spring 2103 is connected with a pull ring 2105 welded on the upper surface of the cloth guide plate 2102. When the cloth guide 21 is another structural form shown in fig. 12, the base plate 2107 is installed above the cloth guide plate 2102. The other components are the same as those of the fifth embodiment. In addition, the cloth guide 21 in the sixth to eighth embodiments may be disposed above the inkjet medium 12 between the inkjet roller A5 and the inkjet roller B8 as described in the tenth embodiment.

Claims (12)

1. Device for improving synchronous double-sided inkjet double-sided alignment precision, which is characterized in that: the automatic cloth feeding device comprises a cloth feeding roller, a front spraying unit, a front spraying track beam (2), a spraying roller A (5), a spraying roller B (8), a back spraying unit, a back spraying track beam (10), a cloth collecting roller and a cloth guiding device (21), wherein the front spraying unit and the back spraying unit are respectively arranged on the front spraying track beam (2) and the back spraying track beam (10), the spraying roller A (5) and the spraying roller B (8) are respectively arranged below or at the side of the front spraying unit and the back spraying unit, the spraying roller A (5) and the spraying roller B (8) synchronously and reversely rotate, and a spraying medium (12) is respectively wound on the spraying roller A (5) and the spraying roller B (8) and drives cloth to move through the active synchronous rotation of the spraying roller A (5) and the spraying roller B (8); the spray painting medium (12) is laid by a cloth laying roller, the front side and the back side of the spray painting medium (12) are respectively sprayed on the spray painting roller A (5) and the spray painting roller B (8), the spray painting medium (12) realizes surface replacement between the spray painting roller A (5) and the spray painting roller B (8), and the spray painting medium (12) subjected to double-sided spray painting is collected by the cloth collecting roller; a cloth guide device (21) for adjusting tightness of the spray painting medium (12) is arranged above or below the spray painting medium (12) between the spray painting roller A (5) and the spray painting roller B (8);
The cloth guiding device (21) comprises a cloth guiding plate (2102) and a plurality of tightness adjusting assemblies arranged on the cloth guiding plate (2102), each tightness adjusting assembly comprises a section bar (2104), a tension spring (2103), a pull ring (2105) and an adjusting screw (2101), the section bar (2104) is arranged on the cloth guiding plate (2102), one end of the tension spring (2103) is connected to the section bar (2104), the other end of the tension spring (2103) is connected with the pull ring (2105) arranged on the cloth guiding plate (2102), the adjusting screw (2101) is connected with the section bar (2104) in a threaded mode, the cloth guiding plate (2102) is jacked by screwing the adjusting screw (2101), and then the adjusted local tightness adjustment of the spray painting medium (12) on the cloth guiding plate (2102) is achieved, and the cloth guiding plate (2102) is reset through the tension spring (2103); or alternatively
The cloth guide device (21) comprises a cloth guide plate (2102), a bottom plate (2107) and a plurality of air cylinders (2106), wherein the bottom plate (2107) is arranged on the cloth guide plate (2102), a plurality of air cylinders (2106) located between the cloth guide plate (2102) and the bottom plate (2107) are uniformly distributed on the bottom plate (2107), the cloth guide plate (2102) is pushed by the pistons of the air cylinders (2106), and then local tightness adjustment of a spray painting medium (12) on the cloth guide plate (2102) is achieved.
2. The device for improving the alignment precision of the synchronous double-sided inkjet printing according to claim 1, wherein the device is characterized in that: the spray painting roller A (5) and the spray painting roller B (8) are driving rollers and are respectively connected with independent power sources, and the independent power sources are used for driving the synchronous reverse rotation.
3. The device for improving the alignment precision of the synchronous double-sided inkjet printing according to claim 1, wherein the device is characterized in that: any one of the spray painting roller A (5) and the spray painting roller B (8) is a driving roller and is connected with a power source, the power source drives the spray painting roller A (5) and the spray painting roller B (8) to rotate, the other spray painting roller A (5) and the spray painting roller B (8) are connected with the driving roller through a transmission mechanism, and synchronous and reverse rotation of the spray painting roller A and the spray painting roller B (8) is realized through the transmission of the transmission mechanism; or the other is driven by the driving roller to synchronously and reversely rotate through friction force between the other driving roller and the spray painting medium (12).
4. The device for improving the alignment precision of the synchronous double-sided inkjet printing according to claim 3, wherein: the transmission mechanism comprises a synchronous pulley A (13), a synchronous belt A (14), a gear A (16), a synchronous pulley B (15), a gear B (17), a synchronous pulley C (18), a synchronous belt B (19) and a synchronous pulley D (20), wherein the synchronous pulley A (13) is coaxially interlocked with the spray drawing roller A (5) and is connected with the synchronous pulley B (15) through the synchronous belt A (14), the gear A (16) is coaxially interlocked with the synchronous pulley B (15), the synchronous pulley D (20) is coaxially interlocked with the spray drawing roller B (8) and is connected with the synchronous pulley C (18) through the synchronous belt B (19), and the gear B (17) is coaxially interlocked with the synchronous pulley C (18) and is meshed with the gear A (16) for transmission.
5. The device for improving the alignment precision of the synchronous double-sided inkjet printing according to claim 1, wherein the device is characterized in that: the spray painting surfaces of the spray painting medium (12) on the spray painting roller A (5) and the spray painting roller B (8) are cambered surfaces.
6. Device for improving synchronous double-sided inkjet double-sided alignment precision, which is characterized in that: the automatic cloth feeding device comprises a cloth feeding roller, a front spray painting unit, a front spray painting track beam (2), a front spray painting platform (26), a rotating roller A, a rotating roller B, a back spray painting unit, a back spray painting track beam (10), a back spray painting platform (27), a cloth collecting roller and a cloth guiding device (21), wherein the front spray painting unit and the back spray painting unit are respectively arranged on the front spray painting track beam (2) and the back spray painting track beam (10), the front spray painting platform (26) and the back spray painting platform (27) are respectively arranged below the front spray painting unit and the back spray painting unit, the rotating roller A and the rotating roller B synchronously and reversely rotate, and a spray painting medium (12) is respectively wound on the rotating roller A and the rotating roller B and drives cloth feeding through active and synchronous rotation of the rotating roller A and the rotating roller B; the spray painting medium (12) is laid by a cloth laying roller, front spray painting is carried out between a front spray painting unit (22) and a front spray painting platform (26), back spray painting is carried out between a back spray painting unit (25) and a back spray painting platform (27), a surface is replaced between the front spray painting and the back spray painting, and the spray painting medium (12) after double-sided spray painting is collected by the cloth collecting roller; a cloth guide device (21) for adjusting tightness of the spray painting medium (12) is arranged above or below the spray painting medium (12) between the front spray painting platform (26) and the back spray painting platform (27);
The cloth guiding device (21) comprises a cloth guiding plate (2102) and a plurality of tightness adjusting assemblies arranged on the cloth guiding plate (2102), each tightness adjusting assembly comprises a section bar (2104), a tension spring (2103), a pull ring (2105) and an adjusting screw (2101), the section bar (2104) is arranged on the cloth guiding plate (2102), one end of the tension spring (2103) is connected to the section bar (2104), the other end of the tension spring (2103) is connected with the pull ring (2105) arranged on the cloth guiding plate (2102), the adjusting screw (2101) is connected with the section bar (2104) in a threaded mode, the cloth guiding plate (2102) is jacked by screwing the adjusting screw (2101), and then the adjusted local tightness adjustment of the spray painting medium (12) on the cloth guiding plate (2102) is achieved, and the cloth guiding plate (2102) is reset through the tension spring (2103); or alternatively
The cloth guide device (21) comprises a cloth guide plate (2102), a bottom plate (2107) and a plurality of air cylinders (2106), wherein the bottom plate (2107) is arranged on the cloth guide plate (2102), a plurality of air cylinders (2106) located between the cloth guide plate (2102) and the bottom plate (2107) are uniformly distributed on the bottom plate (2107), the cloth guide plate (2102) is pushed by the pistons of the air cylinders (2106), and then local tightness adjustment of a spray painting medium (12) on the cloth guide plate (2102) is achieved.
7. The device for improving the alignment precision of the synchronous double-sided inkjet printing according to claim 6, wherein the device is characterized in that: the rotating roller A and the rotating roller B are driving rollers (23) and are respectively connected with independent power sources, and the driving rollers are driven by the power sources to synchronously and reversely rotate.
8. The device for improving the alignment precision of the synchronous double-sided inkjet printing according to claim 6, wherein the device is characterized in that: one of the rotating roller A and the rotating roller B is a driving roller (23), the other is a driven roller (24), the driven roller (24) is connected with the driving roller through a transmission mechanism, and synchronous reverse rotation of the driving roller (23) and the driven roller (24) is realized by the transmission of the transmission mechanism; or the driven roller (24) is driven by the driving roller (23) to synchronously and reversely rotate through friction force between the driven roller and the spray painting medium (12).
9. The device for improving the alignment precision of the synchronous double-sided inkjet printing of claim 8, wherein the device is characterized in that: the transmission mechanism comprises a synchronous pulley A (13), a synchronous belt A (14), a gear A (16), a synchronous pulley B (15), a gear B (17), a synchronous pulley C (18), a synchronous belt B (19) and a synchronous pulley D (20), wherein the synchronous pulley A (13) is coaxially interlocked with the driving roller (23) and is connected with the synchronous pulley B (15) through the synchronous belt A (14), the gear A (16) is coaxially interlocked with the synchronous pulley B (15), the synchronous pulley D (20) is coaxially interlocked with the driven roller (24) and is connected with the synchronous pulley C (18) through the synchronous belt B (19), and the gear B (17) is coaxially interlocked with the synchronous pulley C (18) and is meshed with the gear A (16) for transmission.
10. The device for improving the alignment precision of the synchronous double-sided inkjet printing according to claim 6, wherein the device is characterized in that: the spray painting surfaces of the spray painting medium (12) on the front spray painting platform (26) and the back spray painting platform (27) are planes.
11. A method for improving the accuracy of double-sided alignment of a synchronous double-sided inkjet printing device according to claim 1 or 6, wherein: the spray painting medium (12) is used for running cloth between the cloth releasing roller and the cloth collecting roller, the front and the back of the spray painting medium (12) are respectively sprayed and painted through the front spray painting unit and the back spray painting unit, and the surface is changed between the front spray painting and the back spray painting; and between the front side spray painting and the back side spray painting, the tightness adjustment is carried out on the spray painting medium (12), so that the correction of the double-sided alignment precision is realized, and the double-sided alignment precision is improved.
12. The method according to claim 11, wherein: a cloth guide device (21) is arranged above or below the spray painting medium (12) between the front spray painting and the back spray painting, the spray painting medium (12) is subjected to tightness adjustment by the cloth guide device (21), and the double-sided alignment precision is improved by correcting the local tightness of the spray painting medium (12).
CN201710795065.3A 2017-09-06 2017-09-06 Method for improving synchronous double-sided inkjet double-sided alignment precision and device for implementing method Active CN109455001B (en)

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