JP2016055432A - Rotary screen device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rotary screen device that facilitates an adjustment for position alignment when holding an end part of a supporting body.SOLUTION: The rotary screen device comprises a squeegee attaching/detaching device 110 in which a base end side of a holder 124, which can hold an end part 115a of a supporting body 115 to cantilever support the supporting body 115, is supported so that the holder can be turned around a horizontal shaft, a holding groove 124a holding the end part 115a of the supporting body 115 is formed on a tip side, a notch port 124b, which allows the end part 115a of the supporting body 115 to be removed and inserted from/into the holding groove 124a by approaching and separating movement toward a radial direction of the supporting body 115, is formed in the holding groove 124a, where a pressing screw 125, which presses the end part 115a of the supporting body 115 against an inner surface of the holding groove 124a of the holder 124, is provided in the holder 124.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a rotary screen device.

  2. Description of the Related Art Conventionally, a rotary screen printing machine using a rotary screen device is known as a high-speed printing device for printing materials of a wide range of materials such as cloth and paper. The rotary screen printer has a printing method in which ink is pushed out from a through-hole formed in a cylindrical plate surface (hereinafter referred to as “rotary screen”) by a squeegee and transferred to a substrate.

  In general, in a rotary screen printing machine, a squeegee made of aluminum having a total length of 2 to 3 m and a weight of 13 to 20 kg including a support is often used. In addition, the squeegee is mounted in the rotary screen by fixing both ends of the squeegee to the squeegee installation portion.

  When mounting the squeegee inside the rotary screen, first, two workers (for example, worker A and worker B) are arranged at both ends of the rotary screen in the axial direction. Next, after worker A grips the end of the squeegee, it is inserted into the rotary screen. Furthermore, after the worker B on the other side holds the other squeegee end portion that has been inserted into the rotary screen, it is fixed to the squeegee installation portion provided on the other side. Finally, the operator A fixes the other end of the squeegee to the other squeegee installation part, thereby completing the squeegee mounting. In addition, when removing a squeegee from the inside of a rotary screen, it has achieved by performing the above-mentioned operation | work in a reverse procedure.

  In such a squeegee mounting / removal operation, the two workers must continue to take a working posture while supporting the weight of the squeegee. There is a possibility of letting you. For this reason, various rotary squeegee attachment / detachment means are conventionally provided in rotary screen printing machines.

  For example, in Patent Document 1 below, a pair of plate-shaped holding tools and air cylinders that can hold the ends of the support so as to cantilever support the support that supports the squeegee, the holding tool, and the A vertical rail and a moving table for holding the air cylinder so as to be movable in the vertical direction, and the clamping tool and the air cylinder can be moved in the horizontal direction over a distance longer than the horizontal length of the support. A rotary screen printing machine having a squeegee attaching / detaching device having a horizontal rail and a moving member to be held is described.

  In the squeegee attaching / detaching device for a rotary screen printing machine described in Patent Document 1, the moving member is moved in the horizontal direction along the horizontal rail, and the moving table is moved in the vertical direction along the vertical rail. By moving, the center position between the pair of holding tools is made to coincide with the axial center position on the end side of the support, and then the end of the support is held by operating the air cylinder. The support member and the squeegee are pulled out from the rotary screen by moving the moving member in the horizontal direction along the horizontal rail after being held by the tool, and the moving table is moved downward along the vertical rail. By moving to, the support body and the squeegee can be placed on a carriage.

JP 2010-194988 A JP 11-188852 A JP 2000-127351 A

  However, in the squeegee attaching / detaching device of the rotary screen printing machine described in the above-mentioned Patent Document 1, the center between the pair of clamping tools is formed by moving the movable table in the vertical direction along the vertical rail. Since the air cylinder is operated after the position is made to coincide with the axial center position on the end side of the support body, the end portion of the support body is held by the clamping tool. It took time and effort to adjust the alignment when holding the edge.

  In view of the above, an object of the present invention is to provide a rotary screen device that can easily perform alignment adjustment in holding an end portion of a support.

  In order to solve the above-mentioned problems, a rotary screen device according to the present invention includes a rotary screen having a through hole, ink supply means for supplying ink into the rotary screen, and a rotary screen device disposed in the rotary screen. The ink supplied by the ink supply means is pushed into the through-hole of the rotary screen and the excess ink is scraped off, a support that supports the squeegee, and the through-hole of the rotary screen. A rotary screen apparatus having an impression cylinder for transferring the ink onto the substrate to be printed, a holding means capable of holding the end of the support so as to support the support in a cantilever manner; A vertical movement means for holding the holding means so as to be movable in a direction, and the holding means for a vertical axis A squeegee having a turning means for holding the holding means so that the holding means can be moved in a horizontal direction over a distance longer than a horizontal length of the support. A holding groove for holding the end of the support and holding the end of the support so that the holding means of the squeegee attaching / detaching means can be rotated around a horizontal axis. A holder formed in the holding groove with a notch that allows the end of the support to be inserted into and removed from the holding groove by moving toward and away from the radial direction of the support, and the holder And pressing means for pressing the peripheral surface of the end of the support to the inner surface of the holding groove of the holder.

  Further, in the rotary screen device according to the present invention, in the above-described rotary screen device, a locking projection that protrudes to the inside of the notch opening of the holder is formed at the notch opening on the tip side of the holder. It is characterized by.

  The rotary screen device according to the present invention is characterized in that in the above-described rotary screen device, the rotary screen device includes opening / closing means provided on the holder for opening and closing the notch opening of the holder.

  In the rotary screen device according to the present invention, the holder is turned by the turning means while the base end side of the holder is turned to adjust the position of the front end side of the holder, and the notch opening is formed with respect to the radial direction of the support body. After the end of the support is inserted into the holding groove from the peripheral surface by approaching, the end of the support is pressed against the inner surface of the holding groove of the holder by pressing means. Can be fixedly held in the holding groove of the holder, so that the alignment adjustment can be easily performed when holding the end of the support with the holder.

It is a schematic block diagram of the principal part of the printing part of 1st embodiment at the time of applying the rotary screen apparatus which concerns on this invention to a rotary screen printing machine. It is a schematic block diagram of the squeegee attachment / detachment apparatus of 1st embodiment. It is the figure seen from the arrow line III direction of FIG. It is an extraction enlarged view of the arrow IV part of FIG. It is an extraction enlarged view of the arrow line V section of FIG. It is action | operation explanatory drawing of the squeegee attachment / detachment apparatus of FIG. FIG. 7 is an operation explanatory diagram following FIG. 6. FIG. 9 is an operation explanatory diagram following FIG. 8.

  Embodiments of a rotary screen device according to the present invention will be described below with reference to the drawings. However, the present invention is not limited to the following embodiments described with reference to the drawings.

<Main embodiment>
A main embodiment when the rotary screen device according to the present invention is applied to a rotary screen printer will be described with reference to FIGS.

  The rotary screen printing machine includes a printing unit 100 that is a rotary screen device as shown in FIG. 1, and also includes a paper feeding unit and a paper discharge unit (not shown). The paper feed unit includes a paper feed unit and a stacking unit. The paper feeding means supplies the printing material 1 from the stacking means to the printing unit 100. The stacking means stacks the sheet-like substrate 1. The substrate 1 placed on the stacking unit is fed one by one by the supply unit and then conveyed to the printing unit 100.

  The printing unit 100 includes a main body frame 100A, an impression cylinder 101, a rotary screen 102, a rotating body (not shown), an ink supply nozzle 103, a squeegee 104, a support body 105, a mounting body 106, a fixture 107, and the like as basic configurations. I have. As shown in FIG. 2, the impression cylinder 101 is rotatably supported by the main body frame 100A, and is driven to rotate clockwise in FIG. 1 during printing. The rotary screen 102 is disposed so as to face the impression cylinder 101 through the substrate 1 and is rotatably supported by the main body frame 100A (not shown). It is designed to rotate around.

  The impression cylinder 101 can transfer the image line portion 3 such as a pattern on the printing material 1 by applying a printing pressure to the printing material 1. The rotary screen 102 has a hollow cylindrical shape with a through hole (not shown) through which the ink 2 is passed, and is supported rotatably by connecting the end of the cylinder to the rotating body. By arranging the nozzle 103, the squeegee 104, and the support body 105 in the hollow interior, the image line portion 3 such as a pattern can be formed on the substrate 1 to be printed.

  One or more of the ink supply nozzles 103 are installed downward in the rotary screen 102 by the support 105 (preferably, a plurality of ink supply nozzles 103 are arranged along the axial direction of the rotary screen 102), and a pump or the like (not shown) is used. Are connected to an ink tank (not shown), and the ink 2 sucked up from the ink tank can be discharged into the rotary screen 102 and supplied. In the present embodiment, the ink supply nozzle 103, the pump, the ink tank, and the like constitute ink supply means.

  The squeegee 104 is made of rubber or metal and has a cross-sectional shape of a rectangle, a square, or a sword shape corresponding to the shape of the substrate 1 so that the tip abuts against the inner peripheral surface of the rotary screen 102. By being fixedly installed upward (or downward) by the support 105, the ink 2 is pushed into the through-hole of the rotary screen 102 and the excess ink 2 adhering to the inner peripheral surface of the rotary screen 102 is scraped off. Can be taken.

  The support 105 is made of a material capable of supporting the load of the ink supply nozzle 103 and the squeegee 104, and the end portions 105a and 105b support the squeegee 104 when the squeegee 104 is attached to and detached from the rotary screen 102. Therefore, the length in the longitudinal direction is longer than the length in the longitudinal direction of the squeegee 104 and the length in the axial direction of the rotary screen 102.

  As shown in FIG. 2, the attachment body 106 is fixedly supported on the main body frame 100 </ b> A and is made of a material capable of supporting the load of the ink supply nozzle 103, the squeegee 104, and the support body 105, and the support body 105. The ink supply nozzle 103 and the squeegee 104 are fixedly held in the rotary screen 102 via the support 105 by being installed at least two so as to support the end portions 105a and 105b. It has become.

  The fixture 107 is made of a material capable of supporting the load of the ink supply nozzle 103, the squeegee 104, and the support 105, and the end portions 105a and 105b on both sides of the support 105 and the mounting body 106 are respectively connected. The support body 105 is fixed to the attachment body 106 by providing at least two or more in order to be fixable.

  The fixing tool 107 is, for example, a screw that is screwed into the end portions 105 a and 105 b of the support body 105 and fastens the end portions 105 a and 105 b and the attachment body 106, or the support body 105. It is preferable to have a structure that can be easily attached and detached, such as a fitting member that fixes the end portions 105a and 105b to the mounting body 106 by being fitted to the end portions 105a and 105b.

  The printing unit 100 that is the rotary screen device according to the present embodiment further includes a squeegee attaching / detaching device 110 that is a squeegee attaching / detaching unit having the following structure.

  As shown in FIG. 2, a fixed rail 111 longer than the axial length of the rotary screen 102 extends along the axial direction of the rotary screen 102 above the attachment position of the support body 105 of the main body frame 100 </ b> A. So that the longitudinal direction is directed. An intermediate rail 112 having a length that is approximately half the length of the fixed rail 111 in the longitudinal direction is attached to the fixed rail 111 so as to be slidable along the longitudinal direction of the fixed rail 111. A movable rail 113 having a slightly longer length than the intermediate rail 112 is attached to the intermediate rail 112 so as to be slidable along the longitudinal direction of the intermediate rail 112.

  That is, when the intermediate rail 112 and the movable rail 113 are slid with respect to the fixed rail 111 in a direction to approach the rotary screen 102, the intermediate rail 112 and the movable rail 113 are overlapped with the fixed rail 111. (See FIG. 6), when the slide is moved away from the rotary screen 102, the intermediate rail 112 is pulled out from the fixed rail 111 and the movable rail 113 is further extended from the intermediate rail 112. The length of the rails 112 and 113 in the longitudinal direction can be made longer than the length of the support 105 in the axial direction and the length of the squeegee 104 in the longitudinal direction. (See FIG. 2).

  As shown in FIGS. 2 and 3, the upper end side of a support block 114 having a shaft portion 114 a with the axial direction directed in the vertical direction on the lower end side is connected and fixed to the lower surface on the tip side of the movable rail 113. A support bracket 115 is rotatably supported by the shaft portion 114a of the support block 114. The support bracket 115 is connected and fixed to the upper end side of the vertical rail 116 whose longitudinal direction is directed in the vertical direction. A caster 117 is rotatably provided at the lower end of the vertical rail 116.

  That is, the vertical rail 116 is movably supported on the floor surface F via the casters 117 and can move along the axial direction of the rotary screen 102 as the rails 112 and 113 slide. At the same time, the support block 114 can be turned around the axis 114a, that is, around the vertical axis.

  Brackets 118 project from the upper and lower sides of the front surface of the vertical rail 116, respectively. Between these brackets 118, screw shafts 119 are disposed. The screw shafts 119 are rotatably supported by the brackets 119 at their end portions, and the upper end side is above the bracket 119. Protruding to A moving base 120 is screwed onto the screw shaft 119. A support table 121 is provided in front of the moving table 120. On the front surface of the support table 121, one end in the longitudinal direction of a support plate 122 having a substantially rectangular shape with the longitudinal direction directed along the horizontal direction is fixedly supported.

  As shown in FIGS. 4 and 5, a support shaft 123 that protrudes in the horizontal direction perpendicular to the longitudinal direction of the support plate 122 is projected from the other longitudinal end of the support plate 122. The support shaft 123 rotatably supports the proximal end side (left side in FIG. 4) of the holder 124 in which the holding groove 124a is formed on the distal end side (right side in FIG. 4).

  The holding groove 124a of the holder 124 has a notch 124b on a surface (left surface in FIG. 5) opposite to the surface (right surface in FIG. 5) facing the support plate 122. In addition, the cross-sectional shape in the vertical direction is substantially U-shaped (see FIG. 5), and has a communication port 124c that communicates with the outside on the distal end surface side (right end surface side in FIG. 4).

  The holding groove 124a of the holder 124 has a vertical cross-sectional size larger than a radial cross-sectional size of the shaft end of the support 105, and a front end side (in FIG. On the upper side of the notch 124b on the right side, a locking projection 124d with its tip directed downward is projected so as to protrude inward of the notch 124b.

  A holding screw 125 having an axial direction directed in the vertical direction is screwed to the lower portion near the tip of the holder 124 so that the tip (upper side in FIGS. 4 and 5) protrudes into the holding groove 124a. . An engagement member 125a that engages with an engagement groove 105aa formed at a predetermined position of the end portion 105a of the support 105 is provided at the tip of the holding screw 125 (upper side in FIGS. 4 and 5). Yes.

  An axial direction in the same direction as the axial direction of the support shaft 123 is placed on the upper side of the holder 124 near the tip (right side in FIG. 4) of the surface on the cutout opening 124b side (left side surface in FIG. 5). A support pin 126 is provided so as to project. A base end side (upper side in FIGS. 4 and 5) of a stop plate 127 that bridges between the upper side and the lower side of the notch 124 b is rotatably supported and supported by the support pin 126.

  An axial direction in the same direction as the axial direction of the support shaft 123 is on the lower side near the tip (right side in FIG. 4) of the surface of the holder 124 on the side of the notch 124b (left side in FIG. 5). A set screw 128 facing is screwed. An insertion groove 127a into which the set screw 128 is detachably inserted is formed near the tip of the stop plate 127 (lower side in FIGS. 4 and 5).

  In other words, by tightening the set screw 128 by rotating the set plate 127 around the support pin 126 so that the insertion groove 127a of the set plate 127 is inserted into the set screw 128, the notch The notch 124b can be closed by fixing and holding the stop plate 127 so as to bridge between the upper side and the lower side of the opening 124b, and the set screw 128 is loosened to release the set screw 128 from the set screw 128. Since the stopper plate 127 is rotated around the support pin 126 so as to remove the insertion groove 127a of the plate 127, the notch 124b can be completely opened. is there.

  In FIG. 4, reference numerals 129 a and 129 b denote regulation pins that define the rotation range of the holder 124 around the support shaft 123, and 130 denotes a support base that supports the support body 105.

  As shown in FIGS. 2 and 3, a motor 131 having a drive shaft 131 a directed in the vertical direction is attached to the upper side of the back surface of the vertical rail 116. A sprocket 132 is coaxially attached to the drive shaft 131a of the motor 131. A sprocket 133 is coaxially provided on the upper end side of the screw shaft 119. Between the sprockets 132 and 133, an annular chain 134 is passed through a hole 116a formed in the vertical rail 116.

  That is, when the drive shaft 131 a is rotated by operating the motor 131, the screw shaft 119 is rotated through the sprockets 132 and 133 and the chain 134, and the movable table 120 is guided to the vertical rail 116. While moving up and down (up and down movement), the holder 124 and the like can be moved up and down (up and down movement) via the support table 121 and the support plate 122.

  In FIG. 8, reference numeral 10 denotes a work table, which is positioned in the vicinity of the vertical rail 116 when the intermediate rail 112 is pulled out from the fixed rail 111 and the movable rail 113 is further pulled out from the intermediate rail 112. And is oriented so that its longitudinal direction is directed in a horizontal direction perpendicular to the axial direction of the rotary screen 102.

  In this embodiment, the vertical rail 116, the bracket 118, the screw shaft 119, the moving base 120, the motor 131, the sprockets 132 and 133, the chain 134, and the like constitute vertical moving means. The support block 114, the support bracket 115, the caster 117, etc. constitute a turning means, and the fixed rail 111, the intermediate rail 112, the movable rail 113, etc. constitute a horizontal movement means, and the holding screw 125 And the like, and the opening and closing means is constituted by the support pin 126, the stop plate 127, the set screw 128, etc., the support table 121, the support plate 122, the support shaft 123, the holder 124, the The holding means is constituted by the pressing means and the opening / closing means. There.

  In the rotary screen printing machine according to the present embodiment having the printing unit 100 having such a squeegee attaching / detaching device 110, the substrate 1 is fed one by one from the paper feeding unit and conveyed to the printing unit 100. (In the direction of the arrow in FIG. 1). Then, the ink 2 is supplied into the rotary screen 102 from the ink supply nozzle 103 and moves in the direction in which the squeegee 104 is located with the rotation of the rotary screen 102 while being in contact with the rotary screen 102. While being pushed into the through-hole of the rotary screen 102, the surplus portion is scraped off. The pressed ink 2 is transferred to the substrate 1 as the impression cylinder 101 and the rotary screen 102 rotate to form the image line portion 3. The substrate 1 on which the image line unit 3 is formed is discharged from the paper discharge unit.

  The case where the squeegee 104 is taken out from the rotary screen 102 by using the squeegee attaching / detaching device 110 after maintenance of such screen printing will be described next.

  First, the vertical rail 116 is moved so that the intermediate rail 112 and the movable rail 113 are stacked and stored on the fixed rail 111, and the vertical rail 116 is moved in the vicinity of the end 105 a of the support 105. Centering on the shaft portion 114a of the support block 114 via the support bracket 115 so that the front surface of the vertical rail 116 faces the end portion 105a of the support body 105 while being positioned at a specified position. The vertical rail 116 is swung around a vertical axis, and the motor is arranged such that the holding groove 124a of the holder 124 is positioned at a specified position that is the same height as the end portion 105a of the support 105. 131 is operated to rotate the screw shaft 119 to move the moving table 120 and the support table 121 through. The supporting plate 122 vertically moving Te.

  Then, the set screw 128 is loosened so as to open the notch 124b of the holder 124, and the support pin 126 is centered so as to remove the insertion groove 127a of the set plate 127 from the set screw 128. The stop plate 127 is rotated, and then the shaft portion 114a of the support block 114 is centered through the support bracket 115 so that the longitudinal direction of the support plate 122 is aligned with the axial direction of the support 105. When the vertical rail 116 is swung around the vertical axis, the holder 124 also swivels and the notch 124b of the holder 124 is formed on the peripheral surface of the end 105a of the support 105. It approaches from the radial direction of the said edge part 105a of the said support body 105 so that it may oppose.

  Then, the holder 124 is swung around the support shaft 123 so that the locking projection 124d of the holder 124 does not come into contact with the peripheral surface of the end portion 105a of the support 105, and the tip of the holder 124 is swung. By moving the end portion 105a upward, the end portion 105a of the support body 105 is placed on the support base 130, and the radial direction of the support body 105 is inserted into the holding groove 124a from the notch 124b of the holder 124. Then, the stop plate 127 is rotated around the support pin 126 so that the insertion groove 127a of the stop plate 127 is inserted into the set screw 128, and the set screw 128 is tightened. The stopper plate 127 is fixed and held so as to bridge between the upper side and the lower side of the notch 124b, and the notch 124b is closed. Rutotomoni, tighten the cap screw 125 to engage the engaging member 125a of the pressing screw 125 in the engagement groove 105aa of the support 105 (see FIG. 6).

  As a result, the shaft 105a of the support 105 is not only pressed against the inner surface of the holding groove 124a of the holder 124 but also against the inner surface of the locking protrusion 124d. As a result, the holder 124 is fixedly held in the holding groove 124 a and is prevented from falling off from the notch 124 b by the stop plate 127 and is supported by the support stand 130.

  Then, by removing the fixture 107 from the support 105 and releasing the support 105 from the mounting body 106, the support 105 is cantilevered by the holder 124, and then the tip of the squeegee 104. After the motor 131 is operated so as to be separated from the inner peripheral surface of the rotary screen 102 and the height of the support 105 is slightly lowered, the intermediate rail 112 and the movable rail 113 are moved from the fixed rail 111 to the intermediate rail 112. When the vertical rail 116 is slid and moved away from the rotary screen 102 so as to be pulled out, the support 105 moves over a distance longer than the length in the horizontal direction, and the axial direction of the rotary screen 102 Fully extracted from the inside of the rotary screen 102 Since the above squeegee 104 is completely withdrawn without damaging the inner circumferential surface of the rotary screen 102 from the interior of the rotary screen 102 (see FIG. 7).

  When the squeegee 104 and the support body 105 are extracted from the inside of the rotary screen 102 in this way, the support bracket 115 is oriented so that the front surface of the vertical rail 116 faces the end portion 105a of the support body 105. The squeegee 104 and the support body 105 are positioned above the work table 10 by turning the vertical rail 116 around the vertical axis around the shaft portion 114a of the support block 114 via After the turning movement, the motor 131 is operated so that the squeegee 104 and the support body 105 are placed on the work table 10, and the screw shaft 119 is rotated to move the moving table 120 and the support. The support plate 122 is lowered through the table 121 (see FIG. 8).

  When the squeegee 104 and the support body 105 are placed on the work table 10 in this way, the set screw 128 is loosened so that the notch 124b of the holder 124 is opened, and the set screw 128 is removed. The stop plate 127 is rotated around the support pin 126 so as to remove the insertion groove 127a of the stop plate 127, and the engaging member 125a of the presser screw 125 is engaged with the engagement of the support body 105. The cap screw 125 is loosened so as to be detached from the mating groove 105aa.

  Subsequently, the holder 124 is swung around the support shaft 123 so that the locking protrusion 124d of the holder 124 is separated from the peripheral surface of the end portion 105a of the support body 105. While moving the front end side upward, the front surface of the vertical rail 116 is directed to face the end portion 105a of the support body 105, that is, the notch 124b of the holder 124 is moved toward the end of the support body 105. By rotating the vertical rail 116 around the vertical axis around the shaft portion 114a of the support block 114 via the support bracket 115 so as to be separated from the end portion 105a in the radial direction of the support body 105. Then, the holder 124 is pivoted so that the end portion 105 a of the support 105 is moved to the holding groove 12 of the holder 124. Withdrawn through the notch mouth 124b from within a, disengaging from the holder 124.

  Then, by performing a procedure reverse to the procedure described above, a new squeegee 104 and support 105 that have undergone maintenance and inspection can be attached to the inside of the rotary screen 102.

  In other words, in the squeegee attaching / detaching apparatus 110 according to the present embodiment, the holder 124 is swung around the support shaft 123 while turning the vertical rail 116, so that the inside of the holding groove 124 a of the holder 124. Further, the end portion 105a of the support 105 can be inserted and held from the radial direction through the notch 124b.

  Therefore, in the present embodiment, the holding groove 124a of the holder 124 can be easily aligned with the end portion 105a of the support body 105, and the end portion 105a of the support body 105 can be aligned with the holder 124. Can be easily held.

  Therefore, according to the present embodiment, when holding the end portion 105a of the support body 105, the alignment of the holder 124 can be easily adjusted, and the end portion 105a of the support body 105 can be easily adjusted. Can be held.

  Further, since the locking projection 124d is provided in the notch 124b of the holder 124, the end portion 105a of the support 105 can be securely fixed and held in the holding groove 124a of the holder 124. .

  In addition, since the stop plate 127 is provided in the notch 124b of the holder 124, the end 105a of the support 105 in the holding groove 124a of the holder 124 is prevented from dropping from the notch 124b. Can be prevented.

<Other embodiments>
In the above-described embodiment, the case where the present invention is applied to a rotary screen printing machine has been described. However, the present invention is not limited to this, and is described in, for example, Patent Documents 2 and 3 as other embodiments. In addition to the ink supply device, a squeegee that pushes ink into the through hole of the rotary screen and scrapes off excess ink is disposed in the rotary screen, and the squeegee is supported by a support. If there is, the rotary screen device according to the present invention can be applied in the same manner as in the above-described embodiment.

  Since the rotary screen device according to the present invention can easily adjust the alignment when holding the end of the support with the holder, for example, when applied to a rotary screen printer, It can be used beneficially.

F Floor 1 Substrate 2 Ink 3 Image section 10 Worktable 100 Printing section 100A Main body frame 101 Pressure drum 102 Rotary screen 103 Ink supply nozzle 104 Squeegee 105 Support body 105a, 105b End portion 105aa Engaging groove 106 Attachment body 107 Fixation Tool 110 Squeegee attaching / detaching device 111 Fixed rail 112 Intermediate rail 113 Movable rail 114 Support block 114a Shaft 115 Support bracket 116 Vertical rail 116a Hole 117 Caster 118 Bracket 119 Screw shaft 120 Moving table 121 Support table 122 Support plate 123 Support shaft 124 Holder 124a Holding groove 124b Notch port 124c Communication port 124d Locking projection 125 Holding screw 125a Engaging member 126 Support pin 127 Stop plate 127a Insertion 128 setscrew 129a, 129b defines the pin 130 bearing blocks 131 motor 131a driving shaft 132 sprocket 134 the chain 135a drive shaft

Claims (3)

A rotary screen with a through hole;
Ink supply means for supplying ink into the rotary screen;
A squeegee that pushes the ink disposed in the rotary screen and supplied by the ink supply means into the through-hole of the rotary screen and scrapes off excess ink;
A support for supporting the squeegee;
A rotary screen device comprising: an impression cylinder for transferring ink pushed into the through-hole of the rotary screen onto a printing material;
Holding means capable of holding an end of the support so that the support is cantilevered;
Vertical movement means for holding the holding means so as to be movable in the vertical direction;
Turning means for holding the holding means so as to be turnable around a vertical axis;
Squeegee attaching / detaching means having horizontal movement means for holding the holding means so as to be movable in a horizontal direction over a distance longer than the horizontal length of the support,
The holding means of the squeegee attaching / detaching means;
A holding groove that supports the base end side and holds the end portion of the support body is formed on the front end side so that the base end side can be rotated around a horizontal axis, and the approach groove moves toward and away from the radial direction of the support body. A holder formed in the holding groove with a notch that allows the end of the support to be inserted into and removed from the holding groove;
A rotary screen device comprising: a pressing means provided on the holder and pressing a peripheral surface of an end of the support against an inner surface of the holding groove of the holder. The rotary screen device according to claim 1,
The rotary screen device is characterized in that a locking projection that protrudes to the inside of the notch opening of the holder is formed in the notch opening on the tip end side of the holder. The rotary screen device according to claim 1 or 2,
A rotary screen device comprising an opening / closing means provided on the holder for opening / closing the notch of the holder.

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