JPH10202829A - Textile printing equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make the whole of textile printing equipment compact so that it be suited to small-lot production by a method wherein printing units equipped with screens are disposed like stacked stages vertically, the necessary printing unit is moved to a working position and printing is made on cloth to be printed. SOLUTION: Cloth to be printed is laid on a table 5 and cut in a prescribed length. While a printing unit 2 in the upper stage is moved from a storage position to a working position, subsequently, the table 5 is raised from a lowered position to a position corresponding to the printing unit 2 and a screen 12 is brought into close contact with the cloth to be printed. A squeegee being moved in the lateral direction in this state, printing paste is exuded onto the cloth and printing is made therewith. While the printing unit 2 in the upper stage is moved to the storage position in a state of being separated from the cloth, subsequently, the printing unit 2 in the middle stage is moved to a working position and the table 5 is raised so that the cloth be printed by the printing unit 2 in the middle stage. This unit is moved in the same way as the printing unit 2 in the upper stage and then printing is made on the cloth by the printing unit 2 in the lower stage.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a small-sized printing apparatus in which at least a plurality of printing units provided with a printing screen are vertically arranged in a stack.

[0002]

2. Description of the Related Art In a conventional printing apparatus, as shown in FIG. 10, a plurality of printing units 100 each having a screen and a squeegee are arranged in series on the same plane at regular intervals to form a long cloth. The printing cloth 101 is sequentially pitch-fed below the printing unit 100 while the position of the printing cloth 101 is adjusted in the width direction by the centering device 102, and the printing cloth 101 is sequentially subjected to printing processing. Is configured to be transported to the drying device 103 and subjected to a drying process.

[0003]

However, in such a printing apparatus, the entire printing apparatus becomes as large as, for example, 30 m in the feeding direction of the cloth to be printed, and cannot be installed in a small-scale dyeing factory. was there. In addition, this type of printing equipment can perform printing and drying automatically and at high speed.However, if the number of printings is small, the setting work such as screen replacement becomes complicated, and the operating rate drops significantly. Therefore, it is not suitable for printing a small lot of, for example, 2000 sheets or less, and such a small lot is actually produced manually at a small-scale dyeing factory. An object of the present invention is to provide a small-sized printing apparatus suitable for small-lot production.

[0004]

The printing apparatus according to claim 1 is provided with at least a screen for printing,
A plurality of printing units arranged vertically in a storage position in a stacking manner; a sliding means for independently driving the plurality of printing units in the storage position and a use position on the front side thereof in the front-rear direction; And a table that can be laid in a state in which the cloth to be printed having a unit length is spread, and the printing unit and the table that have been moved to the use position are relatively moved in the vertical direction to approach and separate from each other. The screen of the printing unit is provided with elevating means for bringing the screen into close contact with the cloth to be printed on the table. That is, in this printing apparatus, the printing unit is moved to the use position, and the printing unit and the table moved to the use position are relatively moved up and down by the elevating means to approach each other, and the screen of the printing unit is subjected to printing. With the squeegee in close contact with the cloth, the printed cloth set on the table is printed by exuding the dye paste onto the printing cloth, and then the printing unit and the table are relatively separated from each other, and the printing unit is stored in its original state. Evacuate to a position. In this way, the desired printing unit is sequentially moved to the use position, and the necessary printing is sequentially performed on the cloth to be printed.

Here, it is preferable that the printing unit includes a squeegee and a driving means for slidingly driving the squeegee. In this case, printing can be performed automatically by moving the squeegee while the screen is in close contact with the cloth to be printed. Further, as set forth in claim 3, a drying device for drying the cloth to be printed is provided,
It is preferable to provide a conveying means for carrying the cloth to be printed from the table into the drying device. In other words, the fabric to be printed is
Since a large space is required for drying after printing, by providing a drying device, it is possible to reduce the drying space and quickly dry the cloth to be printed. It is also conceivable to arrange the drying device by effectively utilizing the dead space below the storage position by providing the drying device below the storage position.

The elevating means raises and lowers the table so that the screen of the printing unit at the use position is in close contact with the cloth to be printed. It is conceivable that the printing unit moved up and down is moved up and down, and the cloth to be printed is brought into close contact with the screen of the printing unit. When the table is moved up and down as described in claim 5, the table can be moved up and down while the printing unit is being moved to the use position or the storage position, and the printing unit and the table can be moved efficiently. Becomes possible. When the printing unit is moved up and down as described in claim 6, the table itself does not move up and down, so that the printing operation performed on the table can be easily confirmed.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIGS. 1 and 2,
The printing apparatus 1 includes a printing unit 2 provided in a stack shape at predetermined intervals in the rear part of the printing apparatus 1 and a plurality of printing units 2 in use positions shown by virtual lines in FIG. A slide means 3 which is independently slidably driven in the front-rear direction with respect to the storage position, a table 5 which is disposed below the use position and which can be laid in a state where the cloth to be printed 4 having a unit length is spread,
Elevating means 6 for elevating the table 5, a drying device 7 disposed below the printing unit 2, a conveying means 8 for carrying the cloth 4 to be printed into the drying device 7, and a table 5.
A supply means 9 for laying the cloth to be printed 4 thereon is provided. Although three printing units 2 are stacked in the illustrated example,
A plurality of printing units other than three may be stacked, and printing may be performed using a desired printing unit 2 among the plurality of printing units 2 stacked.

The printing unit 2 has a printing frame 11 having a screen 12 stretched at the lower end inside the frame 10 in a detachable manner, and a screen 12 inside the frame 10.
This is a general configuration in which a pair of squeegees 13 that slide upward are provided at fixed intervals on the left and right, and the pair of squeegees 13 are driven to slide left and right by driving means. In the printing unit 2, the dye paste is supplied between the left and right squeegees 13 and the screen 1
By sliding the pair of squeegees 13 in the left-right direction with the cloth to be printed 4 adhered to the lower surface of the screen 2, the dye paste is applied substantially uniformly to the upper surface of the screen 12, and
The printing cloth 4 is printed through the printing cloth 4 by exposing the dye paste to the printing cloth 4. As the driving means, a means configured to slide the squeegee 13 by an electric motor via a toothed belt, a ball screw, a wire, a chain, or the like can be employed.

The slide means 3 will be described. A multistage slide guide 15 is provided on both right and left sides of the machine frame of the printing apparatus 1 to support the left and right sides of the plurality of printing units 2, respectively. A driving unit (not shown) including a toothed belt, a ball screw, a wire, a chain, and the like and an electric motor for driving the belt and the like is provided. The printing unit 2 expands and contracts the slide guide 15 by the driving unit. The slide drive is independently performed at the use position and the storage position. As described above, the printing unit 2 is moved between the use position and the storage position by using the multi-stage slide guide 15, so that the configuration of the device at the use position is simplified, and the printing frame 11 at the use position is simplified.
Replacement work and maintenance of the textile printing apparatus 1 can be performed smoothly. However, instead of the slide guide 15, a simple guide rail may be provided from the rear end of the storage position to the front end of the use position to increase the positional accuracy of the textile printing unit 2 at the use position.

Arms 16 extending rearward are provided on both left and right sides of the table 5.
6 is guided vertically by a pair of front and rear guide rods 17, and is raised and lowered by an electric motor via a screw shaft 18 provided between the guide rods 17.
The entire table 5 is configured to move up and down. However, it is also possible to raise and lower the table 5 by means of a lifting and lowering means configured as a power transmission means using a rack pinion, a chain, a wire or the like. It is also possible to omit the arm 16 and arrange the lifting means 6 on both sides of the table 5.

The conveying means 8 will be described. A pair of left and right brackets 21 are provided on the upper surface of the right part of the housing 20 of the drying device 7. A movable arm 24 having gripping means 23 for gripping left and right side edges of the cloth 4 to be printed is provided below the slide guide 22, and a movable arm 24 is provided at the front end of the slide guide 15. Arm raising / lowering means 25 including an air cylinder, an electromagnetic solenoid, and the like for raising / lowering the 24 is provided. It is conceivable to use a gripping means 23 having an openable / closable nail for picking and gripping a side edge of the cloth 4 to be printed. However, the cloth 4 to be printed adheres tightly to the upper surface of the table 5 with the dye paste, and it is difficult to grip the side edges of the cloth 4 to be printed with nails. In other words, the configuration is such that the portion gripped by the nail does not adhere to the table 5, or the side edge of the printing cloth 4 adhered to the table 5 is pushed up with a pin or the like that can come and go on the upper surface of the table 5, The side edge of the cloth 4 to be printed may be forcibly separated from the table 5 by a pin or the like.

In order to adjust the position of the gripping means 23 according to the length of the cloth to be printed 4, the left bracket 21 is fixed to the housing 20, and the right bracket 21 is movable in the left and right directions via the guide rail 26. And the right bracket 21 is moved in the left-right direction to adjust the distance between the left and right gripping means 23. As a means for driving the right bracket 21 in the left-right direction, as shown in the figure, an extendable rod 27 screwed in series is used, and the left end of the rod 27 is fixed to the left bracket 21. The right end is connected to an electric motor 28 provided on the right bracket 21, and the rod 2 is connected to the electric motor 28.
By rotating the rod 7, the rod 27 may be expanded and contracted to move the right bracket 21 in the left-right direction, or the right bracket 21 may be directly moved via a rack pinion or a screw shaft. Good. The right bracket 21 may be fixedly provided, the left bracket 21 may be configured to be movable left and right, the distance between the left and right gripping means 23 may be adjusted, or both brackets 21 may be moved in the left and right directions, respectively. The distance between the gripping means 23 may be adjusted. Further, a cutter for cutting the cloth to be printed 4 laid on the table 5 to a unit length may be provided near the right gripping means 23.

An opening 30 is formed in the upper part of the front surface of the housing 20 of the drying device 7 for taking in the cloth 4 to be printed into the housing 20.
Is carried into the housing 20 through the opening 30 while being gripped by. Reference numeral 31 denotes a cover plate for opening and closing the opening 30. The cover plate is configured to be pushed and opened at the rear end of the movable arm 24, and is closed except when the printing cloth 4 is loaded into the housing 20. Have been. In the housing 20, a plurality of the printing cloths 4 carried in are expanded and held substantially in parallel at regular intervals up and down, and each time a new printing cloth 4 is carried in, the printing cloths 4 expanded and held are sequentially lowered. To the side,
The dye paste is dried in a state where it is developed. Then, the lowermost dried fabric 4 to be printed is sequentially stocked under the lowermost fabric. However, since the configuration of the drying device 7 is not directly related to the present invention, a detailed description thereof is omitted.

The cloth feeding means 9 will be described. As shown in FIG. 2, the cloth to be printed 4 is set on the right side of the printing apparatus 1 in a folded state, and is centered via a plurality of rollers to the table 5 side. It is guided and its tip is held by holding means 32 provided at the right end of the upper surface of the table 5. Then, it is extended and laid on the table 5 by laying means (not shown) running above the table 5. However, the transporting means 8 and the dispensing means 9 may have a configuration other than the illustrated example.

Next, the operation of the printing apparatus 1 will be described. First, the cloth to be printed 4 is laid on the table 5 and cut to a predetermined unit length. Next, as shown in FIG. 3, the upper printing unit 2 is moved from the storage position shown by a virtual line to a use position shown by a solid line, and the table 5 is moved from a lowered position shown by a virtual line to a use position shown by a solid line. The screen 12 is brought into close contact with the cloth 4 to be printed by moving up to a position corresponding to the upper printing unit 2. Then, in this state, the squeegee 13 is moved in the left-right direction to exude the dye paste on the cloth to be printed 4, and the cloth to be printed 4 is printed. Next, as shown in FIG. 4, the table 5 is moved to a position shown by a solid line corresponding to the middle printing unit 2, and the printing cloth 4 is separated from the screen 12 of the upper printing unit 2. As shown in FIG. 5, the upper printing unit 2 is moved to the storage position, the middle printing unit 2 is moved to the use position, the table 5 is raised, and the cloth 4 to be printed is screened on the middle printing unit 2. 12, the squeegee 13 is moved in the left-right direction in the same manner as described above, so that the dye paste is exuded on the printing cloth 4, and the printing cloth 4 is printed. In this way, the lower printing unit 2 is moved to the use position similarly to the upper or middle printing unit 2, and the screen 12 is brought into close contact with the cloth 4 to be printed.
However, the order in which the textile printing units 2 are moved to the use position can be set arbitrarily.

Next, as shown in FIG. 6, the table 5 is moved to the lowering position in order to carry the printing cloth 4 into the drying device 7, and then the left and right movable arms 24 of the conveying means 8 are moved to the use position. The movable arm 24 is moved downward by the arm elevating means 25, and the left and right edges of the cloth 4 to be printed on the table 5 are gripped by the gripping means 23. next,
As shown by the solid line in FIG. 7, the movable arm 24 is raised to the position shown by the solid line and the cloth 4 to be printed is separated from the table 5, and the movable arm 24 is
Is retracted, and the cloth to be printed 4 is carried into the drying device 7 together with the movable arm 24, and the cloth to be printed 4 is delivered to the drying device 7. In this way, after the printing cloth 4 is carried into the drying device 7, the movable arm 24 is returned to the original position between the slide guide 15 of the lower printing unit 2 and the housing 20 of the drying device 7. On the other hand, the cloth to be printed 4 is dried while being developed and held in the drying device 7.
Then, the above-described operation is repeatedly performed to sequentially print the plurality of cloths 4 to be printed.

As described above, in the printing apparatus 1, since the plurality of printing units 2 are arranged in a stack, the entire printing apparatus 1 can be configured to be significantly compact. Further, since the drying device 7 is installed by effectively utilizing the dead space below the textile printing unit 2, there is no need to separately provide an installation space for the drying device 7. Furthermore, since the cloth 4 to be printed is supplied to the printing apparatus 1 from the side, the printing apparatus 1
It does not interfere with the operation of.

Next, another embodiment in which the structure of the textile printing apparatus 1 is partially changed will be described. The same members as those of the above-described embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted. In a printing apparatus 35 shown in FIG. 8, a drying apparatus 7 and three printing units 2 are arranged vertically, and a table 5 is provided.
A is fixedly installed, and the printing unit 2 is moved up and down so that the screen 12 is brought into close contact with the printing cloth 4 laid on the table 5A. As lifting means for raising and lowering the printing unit 2, lifting plates 37 driven up and down via a screw shaft 36 are provided on both left and right sides of the printing unit 2, and the three printing units 2 are connected via a slide guide 15. The three printing units 2 are simultaneously moved up and down by rotating the screw shaft 36. That is, by lowering the three printing units 2 in a state where the desired printing unit 2 is moved to the use position, the screen 12 of the desired printing unit 2 is brought into close contact with the cloth 4 to be printed. The squeegee 13 is slid to print the cloth 4 to be printed.

The transporting means 8A fixes the movable arm 24 provided with the gripping means 23 to the front ends thereof under the left and right slide guides 22, respectively.
Is moved up and down by a screw shaft 38. With the movable arm 24 advanced by the left and right slide guides 22, the slide guide 22 is lowered,
The side edge of the cloth to be printed 4 laid on the table 5A is gripped by the gripping means 23. In this state, the slide guide 22 is raised, and then the movable arm 24 is retracted so that the drying device 7
The fabric 4 to be printed is carried into the inside.

The printing apparatus 40 shown in FIG.
The printing unit 2A is composed of only the printing frame 11 and is set on the left and right slide guides 15, and the use position and the storage position are set via the slide guides 15. At the same time. Table 5B
Is constituted by a fixed table which cannot be moved up and down. At the lower center of the table 5, a lifting rod 41 for lifting the plate frame 11 and a lifting means 42 having a squeeze shaft 43 are provided. Then, the desired plate frame 11 is moved to the use position by the slide guide 15 with the lift rod 41 raised, and the lift rod 4 is moved from the slide guide 15 to the use position.
The screen 12 of the plate frame 11 is brought into close contact with the printing cloth 4 laid on the table 5 by transferring the printing frame 11 to the printing frame 1 and the printing screen 4 is printed by a squeegee in this state. Will do. In this way, the cloth to be printed 4 sequentially printed by using the plurality of screens 12 is carried into the drying device 7 by the transporting means 8 and dried. still,
It is also possible to omit the drying device 7 and the transporting means 8 and 8A in the printing devices 1, 35 and 40, and to dry the printed fabric 4 naturally.

[0021]

According to the printing apparatus of the present invention, at least the printing units provided with the screen are vertically arranged in a stack, and the necessary printing units are moved to the use position to print the cloth to be printed. This makes it possible to make the entire printing apparatus compact. In addition, the screen of the printing unit can be automatically brought into close contact with the cloth to be printed on the table by the sliding means and the elevating means.

Further, if the printing unit is provided with a squeegee and a driving means for slidingly driving the squeegee, the squeegee is moved while the screen is in close contact with the cloth to be printed, and the dye paste is exuded on the cloth to be printed set on the table. Then, printing can be performed automatically. Furthermore, if a drying device for drying the cloth to be printed is provided and a transport means for carrying the cloth to be printed from the table into the drying apparatus is provided, the drying cloth can be dried quickly while reducing the drying space. Becomes possible. In addition, by providing a drying device below the storage position, the drying device can be disposed by effectively utilizing the dead space below the storage position, and the drying device can be installed while preventing the printing device from becoming large. It becomes possible.

When the table of the printing unit at the use position is brought into close contact with the cloth to be printed by raising and lowering the table by the lifting means, the table is raised and lowered while the printing unit is being moved back and forth, and the printing unit and The table can be moved efficiently, and the processing capacity of the printing apparatus can be improved. Also, the printing unit moved to the use position by the lifting means is raised and lowered,
When the screen of the printing unit is brought into close contact with the cloth to be printed, it is easy to confirm the printing operation.

[Brief description of the drawings]

FIG. 1 is a side view of a textile printing apparatus according to the present invention.

FIG. 2 is a front view of the printing apparatus.

FIG. 3 is a diagram illustrating the operation of the printing apparatus.

FIG. 4 is a diagram illustrating the operation of the printing apparatus.

FIG. 5 is a diagram illustrating the operation of the printing apparatus.

FIG. 6 is a diagram illustrating the operation of the printing apparatus.

FIG. 7 is a diagram illustrating the operation of the printing apparatus.

FIG. 8 is a side view of a printing apparatus having another configuration.

FIG. 9 is a side view of a printing apparatus having another configuration.

FIG. 10 is a front view of a conventional textile printing apparatus.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 printing apparatus 2 printing unit 3 slide means 4 cloth to be printed 5 table 6 elevating means 7 drying apparatus 8 transport means 9 feeding means 10 frame-shaped frame 11 plate frame 12 screen 13 squeegee 15 slide guide 16 arm 17 guide rod 18 screw shaft Reference Signs List 20 housing 21 bracket 22 slide guide 23 gripping means 24 movable arm 25 arm elevating means 26 guide rail 27 rod 28 electric motor 30 opening 31 lid plate 32 clamping means 35 printing device 36 screw shaft 37 elevating plate 5A table 8A transporting device 40 printing device 41 lifting rod 42 lifting means 43 screw shaft 2B printing unit 5B table

Claims (6)

[Claims] 1. At least a screen for printing is provided,
A plurality of printing units arranged vertically in a storage position in a stacking manner; a sliding means for slidingly driving the plurality of printing units independently in the storage position and a use position on the front side thereof in the front-rear direction; The table, which is placed below and can be laid with the fabric to be printed of unit length spread, and the printing unit and the table that have been moved to the use position are vertically moved relatively to each other to move closer to and away from each other. Lifting means for bringing the screen of the printing unit into close contact with the cloth to be printed on the table. 2. The printing apparatus according to claim 1, wherein the printing unit includes a squeegee and a driving unit that slides the squeegee. 3. The printing apparatus according to claim 1, further comprising a drying device for drying the cloth to be printed, and conveying means for carrying the cloth to be printed from the table into the drying apparatus. 4. The printing apparatus according to claim 3, wherein the drying device is provided below the storage position. 5. The table is raised and lowered by a lifting means,
The printing apparatus according to any one of claims 1 to 4, wherein the screen of the printing unit at the use position is brought into close contact with the cloth to be printed. 6. The printing apparatus according to claim 1, wherein the printing unit moved to the use position is moved up and down by lifting means to bring the screen of the printing unit into close contact with the cloth to be printed.