WO2006104191A1 - 印刷機 - Google Patents
印刷機 Download PDFInfo
- Publication number
- WO2006104191A1 WO2006104191A1 PCT/JP2006/306434 JP2006306434W WO2006104191A1 WO 2006104191 A1 WO2006104191 A1 WO 2006104191A1 JP 2006306434 W JP2006306434 W JP 2006306434W WO 2006104191 A1 WO2006104191 A1 WO 2006104191A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ink
- ink fountain
- fountain
- container
- roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/08—Ducts, containers, supply or metering devices with ink ejecting means, e.g. pumps, nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/022—Ink level control devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering devices
Definitions
- the present invention relates to a printing press.
- an ink fountain roller is disposed in the vicinity of an ink fountain member that constitutes an ink fountain, and ink that has appeared on the outer peripheral surface of the ink fountain ink fountain roller is moved by an ink transfer roller to an ink kneading roller. This ink is further supplied to the printing surface of the printing portion via a plurality of ink kneading rollers.
- the ink fountain member has a plate shape, and the ink in the ink fountain passes through the ink passage between the ink fountain member and the ink fountain roller and comes out on the outer peripheral surface of the ink fountain roller.
- the type of ink to be used may change depending on the content of printing.
- the ink in the ink fountain is used for the next printing.
- the work of changing the setup to replace what is used is performed.
- This setup change operation includes collecting old ink in the ink fountain and cleaning the ink fountain member and each roller.
- the ink transfer roller and the ink kneading roller are automatically cleaned by so-called inker cleaning.
- the ink fountain roller and ink fountain material are difficult to automate the cleaning.
- manual cleaning was performed.
- the ink fountain roller is stopped rotating and remains in the ink fountain and is manually removed to obtain ink for the ink fountain roller and ink fountain member.
- the part that was touching was washed by hand. For this reason, collecting and cleaning old ink is cumbersome, and it is necessary to manually clean the ink fountain member and the ink fountain roller, so it takes time to change the setup and before the next printing starts. It took a long time.
- the size (width) of the ink passage may be changed depending on the content of printing.
- the size of the ink passage was adjusted by changing the position and angle of the ink fountain member, but this adjustment was also troublesome.
- Patent Document 1 the inventor of the present invention has proposed a printing machine described in Patent Document 1.
- This printing machine includes an ink fountain member having an ink fountain forming surface, an ink fountain roller that ejects ink to the outer peripheral surface through an ink passage between the ink fountain member, and an outer surface of the ink fountain roller.
- Sheet moving device and the upper force of the sheet by a permanent magnet.
- a pair of weir plates that are attracted to the ink fountain forming surface and adsorbed to the outer peripheral surface of the ink fountain roller to form the side wall of the ink fountain, and the ink fountain roller The ink collection tank, located near the bottom of the ink collection tank, the ink removal blade provided in the ink collection tank, and the ink collection blade pressed against the outer peripheral surface of the ink source roller And a blade position switching device for switching the Ru standby position away from the position and the ink fountain roller Ri. Further, the ink fountain member is rotated by an ink fountain member rotating device and is positioned at a plurality of work positions.
- a plurality of ink fountain forming surfaces are formed in the direction of rotation of the ink fountain member so that the ink path forming portion at the leading end is close to the ink base roller and forms the ink fountain.
- the distance to the ink passage forming portion is different from each other.
- Patent Document 1 Japanese Patent No. 3194174
- the weir plate Since the weir plate is firmly adsorbed to the ink fountain forming surface and the outer peripheral surface of the ink base roller by the permanent magnet, it is difficult to automatically replace it. Barrage using electromagnets If the ink is adsorbed on the ink forming surface and the outer peripheral surface of the ink base roller, the weir plate can be easily and automatically replaced by stopping energization of the electromagnet. However, in that case, it is necessary to always energize the electromagnet during printing, and if the electromagnet heat generation and its adverse effect are serious, a problem arises, so a permanent magnet must be used.
- the object of the present invention is to solve the above-mentioned problems, and to automate the replenishment of different types of ink container power and ink fountain, further automate the setup change work, and simplify the setup change work. It is to provide a printing machine that can reduce the operating time.
- an ink fountain member having an ink fountain forming surface for forming an ink fountain, an ink fountain roller for ejecting ink to an outer peripheral surface through an ink passage between the ink fountain member, and an ink fountain
- a plurality of rollers that supply ink printed on the outer peripheral surface of the roller to the printing portion, a plurality of ink containers that store different types of ink and are stored in a predetermined container storage unit, and hold a desired ink container.
- an ink replenishing device for replenishing ink in the ink fountain.
- the ink supply device automatically supplies ink from different types of ink containers to the ink fountain, thus automating the setup change work and simplifying the setup work. Work time can be shortened.
- the printing machine according to claim 2 is the printing machine according to claim 1, wherein the ink replenishing device includes a level sensor for detecting the level of ink in the ink fountain, and the level of ink in the ink fountain during a printing operation. Ink is applied to the part of the ink fountain where the ink level is lower than the specified value. It is characterized by being replenished.
- the level of ink in the ink fountain is kept substantially constant during printing. For this reason, it is possible to reduce the ink level in the ink fountain by lowering the ink level in the ink fountain where it is not necessary to place a large amount of ink in the ink fountain. it can . For this reason, it is possible to prevent the ink in the ink fountain from deteriorating and adversely affecting print quality. In addition, the amount of ink that is wasted at the time of setup change can be reduced, and the time taken for collecting remaining ink can be shortened.
- the printing machine according to claim 3 is the printer according to claim 1, wherein the ink container has a bellows shape that can be compressed in the vertical direction, and a cut that is normally closed is formed in the bottom wall of the ink container, When the bottom of the ink container is held and the top is pushed downward, the notch is opened by the pressure, and the ink in the ink container drops so that it drops downward through the open notch. It is characterized by this.
- the ink can be supplied into the ink fountain simply by moving the ink container above the ink fountain and pushing the upper part of the ink fountain. Therefore, it is possible to easily automate the replenishment of ink from the ink container to the ink fountain.
- the ink replenishing device can hold and release the movable body that can move above the ink fountain in a direction parallel to the ink base roller and the portion including the bottom of the ink container.
- the desired ink container can be held and moved by the container holding member, and the desired ink container can be moved above the ink fountain and the upper part of the ink container can be simply pushed by the pressing member.
- the desired ink can be supplied into the ink fountain. Therefore, it is possible to easily automate the replenishment of ink to different ink container strength ink fountains.
- the printing machine according to claim 5 is the printer according to claim 4, wherein the moving body is provided with a level sensor for detecting the level of ink in the ink fountain, and the moving body is placed on the ink fountain during the printing operation.
- the ink is moved in a direction parallel to the ink base roller to detect the ink level in the ink fountain and to replenish the ink fountain with the ink level lower than the predetermined value. It is characterized by that.
- the ink level in the ink fountain is kept substantially constant during printing. For this reason, it is possible to reduce the ink level in the ink fountain by lowering the ink level in the ink fountain where it is not necessary to place a large amount of ink in the ink fountain. it can . For this reason, it is possible to prevent the ink in the ink fountain from deteriorating and adversely affecting print quality. In addition, the amount of ink that is wasted at the time of setup change can be reduced, and the time taken for collecting remaining ink can be shortened.
- the printing machine of claim 2 as described above, during printing, the level of ink in the ink fountain is kept substantially constant, and the amount of ink placed in the ink fountain is reduced. As a result, the ink in the ink fountain can be prevented from deteriorating and adversely affecting the print quality, and the amount of ink that is wasted when changing the setup can be reduced. It is possible to shorten the time required for collecting ink.
- the supply of ink from the ink container to the ink fountain can be automated.
- the replenishment of ink from different ink containers to the ink fountain can be automated.
- the level of ink in the ink fountain is kept substantially constant during printing, and the amount of ink placed in the ink fountain is reduced.
- the ink in the ink fountain can be prevented from deteriorating and adversely affecting the print quality, and the amount of ink that is wasted when changing the setup can be reduced.
- the time it takes to collect ink can be shortened.
- FIG. 1 is a schematic side view of a main part of an ink supply device of a printing press.
- FIG. 2 is a plan view of FIG. 3]
- FIG. 3 is a c 4]
- FIG 4 is a cutaway plan view of a portion of a portion of the ductor split split roller unit is a cross-sectional view of FIG.
- FIG. 5 is an enlarged view of a part of FIG.
- FIG. 6 is a longitudinal sectional view showing a portion of the ink container and the ink supply device. 7] FIG. 7 is a bottom view of FIG.
- FIG. 8 is a side view showing portions of the ink container and the ink supply device.
- FIG. 9 is an enlarged longitudinal sectional view showing the bottom of the ink container.
- FIG. 10 is an enlarged cross-sectional view of the dam plate mounting table.
- FIG. 11 is a side view showing the operation of the weir plate changing device.
- FIG. 12 is a drawing corresponding to FIG. 5 showing a modification of the ink fountain member.
- FIG. 13 is a drawing corresponding to FIG. 5 and showing another modified example of the ink fountain member.
- FIG. 1 is a left side view schematically showing a part of an ink supply device of a printing press
- FIG. 2 is a plan view of the same.
- the right side of FIGS. 1 and 2 is the front
- the left side is the rear
- the left and right when viewed from the front are the left and right.
- FIGs. 1 and 2 the first ink of the plurality of ink kneading rollers behind the ink fountain roller (3) adjacent to the rear end of the ink fountain member (2) forming the ink fountain (1).
- a kneading roller (4) is arranged, and an ink transfer dividing roller unit (5) is arranged between the original roller (3) and the kneading roller (4).
- the axes of the original roller (3) and the kneading roller (4) are parallel to each other and extend in the left-right direction.
- the original roller (3) and the kneading roller (4) are rotatably supported on the frame (7) of the printing press, and are rotated in the direction of the arrow in FIG. 1 at a predetermined rotational speed by a driving device (not shown).
- the rotation speed of the former roller (3) is about 1Z10 that of the kneading roller (4).
- FIG. 3 is a partially cutaway plan view of the split roller unit (5), with the lower side of the figure being the front and the upper side being the rear.
- FIG. 4 is an enlarged cross-sectional view of a part of FIG. 2 as viewed from the left side.
- the left and right ends of the linear support member (6) parallel to the rollers (3) and (4) are fixed to the frame (7), and a plurality of movable members (8) are provided around the support member (6). It is attached.
- the support member (6) has a prismatic shape having a slightly larger front-rear width than the vertical width.
- the movable member (8) has a short cylindrical shape, and the movable member (8) is formed with a relatively large square hole (9) penetrating in the axial direction.
- a plurality of movable members (8) are arranged in the axial direction between a pair of end cylindrical fixing members (10) fixed to the frame (7) so as to face each other and penetrated through the support member (6).
- the support member (6) is passed through the holes (9) of these movable members (8).
- the vertical width of the hole (9) of the movable member (8) is such that the upper and lower surfaces of the hole (9) are substantially equal to the vertical width of the support member (6) and are in sliding contact with the upper and lower surfaces of the support member (6).
- Holes (9) The movable member (8) whose front-rear width is slightly larger than the front-rear width of the support member (6) has a front end position where the rear surface of the hole (9) is in contact with the rear surface of the support member (6) with respect to the support member (6).
- the front surface of the hole (9) can move back and forth between the rear end position in contact with the front surface of the support member (6).
- a square groove (11) extending over the entire length of the movable member (8) is formed on the upper surface of the hole (9) of the movable member (8) in sliding contact with the support member (6).
- each movable member (8) is positioned in the axial direction with respect to the support member (6), and between the movable members (8) and between the fixed members (10) at both ends. Has a slight gap in the axial direction. Therefore, each movable member (8) can move individually in the front-rear direction with respect to the support member (6).
- An inner ring of a ball bearing (12) that is a rolling bearing is fixed to the outer periphery of each movable member (8).
- a metal sleeve (14) is fixed to the outer periphery of the outer ring of each ball bearing (12), and a rubber thick cylindrical ink transfer roller (15) is fixed to the outer periphery of the sleeve (14).
- a short cylindrical dustproof member (16) is fitted between the outer peripheries of adjacent movable members (6).
- the dust-proof member (16) is made of an appropriate rubber-like elastic material such as natural rubber, synthetic rubber, or synthetic resin, and has flange portions (16a) that slightly protrude inward at both ends thereof. . These flange portions (16a) are fitted into an annular groove (17) formed on the outer peripheral surface of the portion near the left and right ends of the movable member (8), whereby the dustproof member (16) is moved to the movable member (8 ).
- a similar dustproof member (16) is fitted between the outer peripheries of the movable member (8) at both the left and right ends and the fixed member (10) adjacent thereto.
- a roller position switching device (19) for switching the position of the ink transfer roller (15) is provided on the support member (6) side between each movable member (8) and the support member (6) as follows. Is provided.
- a cylinder portion (20) is formed by forming a hole extending slightly rearward from the front surface in the portion of the support member (6) corresponding to the axially central portion of the movable member (8), and from the rear surface.
- a spring receiving hole (21) extending slightly forward is formed.
- the center of the cylinder part (20) and the center of the spring accommodating hole (21) are on one straight line in the front-rear direction near the center of the movable member (8) in the vertical direction.
- a short cylindrical piston (22) is inserted into the cylinder part (20) through a 0 ring (23) so as to be slidable back and forth.
- a ball (24) as an urging member is slidably inserted into the spring accommodating hole (21), and a compression coil spring (25) for urging the ball is urged backward. It has been entered.
- a recess (26X27) is formed on the front surface of the hole (9) of the movable member (8) facing the center of the piston (22) and the rear surface of the hole (9) facing the center of the ball (24), respectively. Is formed.
- the cross-sectional shape of each recess (26X27) in the cross section orthogonal to the axis of the movable member (8) is uniform, and forms an arc shape centered on a straight line parallel to the axis.
- a tapered tapered protrusion (22a) is formed at the center of the end face of the piston (22) facing the recess (26), and the protrusion (22a) is fitted into the recess (26).
- the length of the part excluding the protrusion (22a) of the piston (22) is slightly shorter than the length of the cylinder part (20), even when the piston (22) is most retracted into the cylinder part (20).
- the majority of the protrusion (22a) protrudes from the front surface of the support member (6).
- a part of the outer periphery of the ball (24) is fitted in the recess (27).
- the ball (24) is always pressed against the rear surface of the hole (9) of the movable member (8) by the elastic force of the spring (25), and the ball (24)
- the partial force recess (27) on the outer periphery of the outer periphery is pressed against the front and rear edges of the recess (27).
- the front surface of the support member (6) or the piston (22) is brought into pressure contact with the front surface of the hole (9) of the movable member (8), and the piston (22) Most of the protrusion (22a) is fitted in the recess (26). In this way, most of the protrusion (22a) of the piston (22) and a part of the force of the ball (24) are always stuck in the recesses (26) and (27).
- the movable member (8) is positioned in the axial direction.
- the support member (6) is formed with an air supply hole (28) extending in the axial direction from the left end and closed near the right end, and the left end opening end of the hole (28) is compressed through an appropriate pipe. Connected to air source (29).
- a switching valve (solenoid valve) (30) is mounted on the upper surface of the support member (6) facing the groove (11) of the movable member (8), and the two ports of this valve (30) are supported.
- the air supply hole (28) and the cylinder part (20) are communicated with each other through communication holes (31) and (32) formed in the member (6). Further, the electric wire (33) of the valve (30) is drawn out through the groove (11) and connected to the control device (34).
- valve (20) When the valve (20) is energized (on), the cylinder part (20) passes through the valve (30) through the air supply hole (28 ) And the cylinder part (20) is communicated with the atmosphere via the valve (30) when the energization is stopped (OFF state). Then, by individually switching the energization state of the valve (30) of each switching device (19) by the control device (34), the position in the front-rear direction of each ink transfer roller (15) is individually switched.
- a position switching detection sensor (102) made of a magnetic sensor is fixed to the bottom surface of the support member (6) in sliding contact with the bottom wall of the hole (9) of the movable member (8).
- Hole in the movable member (8) (
- a permanent magnet (103) is fixed on the bottom wall of 9).
- the lower surface of the sensor (102) is located slightly inward (upper side) with a force that is flush with the lower surface of the support member (6).
- the upper surface of the permanent magnet (103) is located slightly inward (lower) than the force that is flush with the bottom wall surface of the hole (9) of the movable member (8).
- the sensor (102) is opposed to the center part in the front-rear direction of the permanent magnet (103), and the movable member (8) is switched to the front end position.
- the sensor (102) is detached backward from the permanent magnet (103). Therefore, the output of the sensor (102) varies depending on the position of the movable member (8), and the position of the movable member (8), that is, the ink transfer roller (15), is determined by the output of the sensor (102). Recognize.
- the ink transferred from the ink fountain (1) to the outer peripheral surface of the original roller (3) is transferred to the ink transfer roller while the ink transfer port roller (15) is switched to the front end position.
- the ink transferred to each ink transfer roller (15) is cut to the rear end position by the ink transfer roller (15). While being replaced, it is transferred to the kneading roller (4).
- the ink transferred to the kneading roller (4) is supplied to the printing surface through a plurality of ink kneading rollers.
- the amount of ink supplied to the printing surface depends on the position in the width direction by controlling the time during which the controller (34) is switched to the front end position and the rear end position for each ink transfer roller (15). It is adjusted.
- the output of the sensor (102) detects whether or not the ink transfer roller (15) has been switched correctly. If the ink transfer roller (15) is not switched correctly, an alarm is issued. It is done.
- FIG. 5 is an enlarged view of a part of FIG. 1, and FIGS. 6 to 10 are diagrams showing in detail each part of the ink supply device.
- the ink fountain member (2) has, for example, a triangular prism shape having a regular triangular cross section, and cylindrical support shaft portions (35) provided at both left and right ends thereof are rotatably supported by the frame (7).
- the frame (7) is provided with an ink fountain member rotating device (36) equipped with an electric motor, and the rotating device (36) rotates the ink fountain member (2) every 120 degrees. It is positioned at the three work positions and is fixed at each work position.
- the three side surfaces around the ink fountain member (2) are the ink fountain forming surfaces (37a), (37b) and (37c), and the ink fountain forming surfaces (37a) to (37c) are rotated counterclockwise.
- the ridge line at the end of the direction is the ink passage forming portion (38a) (38b) (38c) corresponding to the ink fountain forming surface (37a) to (37c).
- the ink fountain forming surface is generically designated by reference numeral (37), and when it is necessary to distinguish, the first ink fountain forming surface (37a), the second ink fountain forming surface (37b), 3 Called ink fountain forming surface (37c).
- the ink passage forming portions are also collectively referred to by reference numeral (38), and when it is necessary to distinguish them, the first ink passage forming portion (38a), the second ink passage forming portion (38b), the third ink passage forming portion are sequentially arranged in the counterclockwise direction. This is called the ink path forming part (38c).
- the ink path forming part (38c) On the end face of the ink fountain member (2), numbers “1” to “3” representing the numbers corresponding to each ink passage forming portion (38) are marked.
- a sheet moving device (40) for feeding and scooping the belt-like sheet (39) is provided.
- the sheet moving device (40) includes a feeding shaft (41), a take-up shaft (42), and a shaft driving device (43) that drives these shafts (41) (42).
- the shaft drive device (43) includes an electric motor (44) that drives the feeding shaft (41), and a power transmission mechanism (45) that transmits the rotation of the motor (44) to the scraping shaft (42).
- the feed shaft (41) rotates at a constant speed smaller than the scraping shaft (42).
- the power transmission mechanism (45) is provided with a sliding mechanism (47) that provides frictional resistance and allows sliding.
- the power transmission mechanism (45) is a gear train
- the sliding mechanism (47) is a second gear that meshes with a gear on the motor (44) side and a gear on the scraping shaft (42) side. The gears are combined with each other so as to rotate while sliding against each other with a predetermined frictional resistance.
- the cylindrical scraping member (50) is detachably fixed to the scraping shaft (42).
- a scraping cylinder made of plastics or the like is fitted on the outer periphery of the scraping member (50) so as not to rotate with each other.
- the sheet (39) is fed from the sheet roll (49), and the ink fountain member is moved in the length direction thereof. It moves along (2) and is scraped off by the scraping member (50).
- the relationship between the rotation speed of the feeding shaft (41) and the scraping shaft (42) is determined as described above, and a sliding mechanism (47) is provided between the motor (44) and the scraping shaft (42).
- the sheet (39) is always moved under tension. For this reason, when the motor (44) is stopped, it comes into close contact with the partial force ink fountain forming surface (37) of the sheet (39) covering the ink fountain forming surface (37).
- Each ink fountain forming surface (37) of the ink fountain member (2) forms an ink fountain (1) when the ink fountain member (2) is positioned at the corresponding working position.
- the ink fountain forming surface (37) An ink fountain (1) is formed by the covering sheet (39) and the outer peripheral surface of the original roller (3).
- the ink passage forming portion (38) corresponding to the ink fountain forming surface (37) comes close to the outer peripheral surface of the original roller (3) through the sheet (39) and is in close contact with the ink passage forming portion (38).
- An ink path (52) is formed between the portion of the sheet (39) and the outer peripheral surface of the original roller (3).
- the size of the ink path (52) is determined by the distance between the rotation center axis of the original roller (3) and the rotation axis of the ink fountain member (2), the diameter of the original roller (3), and the ink fountain member. It is determined by the distance from the rotation center axis of (2) to the ink passage formation part (38). In this example, the distance from the rotation center axis of the ink fountain member (2) to the ink passage forming portion (38) is changed for the three ink passage forming portions (38). For this reason, the size of the ink passage varies depending on the work position.
- a pair of left and right weir plates (53) forming the side wall of the ink fountain (1) are detachably fixed.
- the weir plate (53) has a substantially triangular shape, and the outer periphery of the flat ink fountain adsorbing surface (53a) and the original roller (3) that are in close contact with the ink fountain forming surface (37) at the part corresponding to the two sides of the triangle.
- a concave partial cylindrical surface-like ink priming roller adsorbing surface (53b) that is in close contact with the surface is formed.
- a permanent magnet (54) for adsorption is fixed in a retractable manner.
- a weir plate adsorbing part (55) made of a magnetic material at two locations near the left and right ends, and the parts other than the adsorbing part (55) are non-magnetic. Made of material.
- the width of the adsorbing part (55) is almost equal to the width of the weir plate (53).
- Each ink fountain forming surface (37) of the ink fountain member (2) may be entirely made of a magnetic material, or only the portion corresponding to the suction portion (55) of the original roller (3) is a magnetic material. The remaining portion may be made of a nonmagnetic material.
- the original roller adsorption surface (53b) is in close contact with the adsorption portion (55) of the original roller (3) and is adsorbed by magnetic force
- the ink fountain adsorption surface (53a) Is in close contact with the ink fountain-forming surface (37) through the sheet (39) and is attracted to the ink fountain by magnetic force, thereby being fixed to these and forming the side wall of the ink fountain. Since the weir plate (53) is only attracted to the original roller (3) by magnetic force, it does not hinder the rotation of the original roller (3).
- An ink recovery tank (56) is arranged in front of the lower part of the original roller (3).
- An ink wiping blade (57) that protrudes obliquely upward and rearward from the upper end of the rear wall of the tank (56) is fixed to the rear part of the tank (56).
- the lateral width of the tank (56) and blade (57) is the lateral length of the original roller (3). Greater than.
- a horizontal plate-like support base (59) that is long in the front-rear direction is provided on the upper right side of the frame (7), and a new weir plate (53) before use is placed on the upper surface of the support base (59).
- Each base (60X61) is provided with a convex part cylindrical surface-shaped first receiving part (62) that receives the ink fountain roller suction surface (53b) of the weir plate (53) and a lower part of the first receiving part (62).
- a second receiving portion (63) is provided that protrudes and receives the ink fountain suction surface (53b) side portion of the ink fountain suction surface (53a) of the weir plate (53).
- a rod-like magnetic member (64) is fixed in a retractable manner on the upper part of the first receiving part (62).
- a container storage section (66) for storing a plurality of ink containers (65) is provided at the rear of the frame (7).
- the ink container (65) includes a container body (67) made of flexible plastics.
- the container main body (67) has a circular horizontal cross section and a bellows shape that can be compressed in the vertical direction.
- the upper wall and the lower wall of the bellows-like portion of the container body (67) form a horizontal disk shape.
- a circular hole (68) is formed in the lower wall of the container body (67), and a cylindrical part (69) protruding downward from the peripheral edge of the hole (68) is formed in the body.
- a male screw is formed on the outer periphery of the cylindrical portion (69), and a short cylindrical bottom lid (70) is screwed into the portion from below and fixed.
- a circular hole (71) is formed in the bottom wall of the bottom lid (70).
- a thin disc-shaped bottom plate (72) made of plastics having a large elastic modulus is fitted into the bottom lid (70), and the outer peripheral edge of the bottom plate (72) is connected to the bottom wall of the bottom lid (70).
- the container body (67) is clamped between the lower end surface of the cylindrical portion (69).
- the portion of the bottom plate (72) facing the hole (71) of the bottom lid (70) constitutes the bottom wall of the container (65).
- the thickness of the bottom plate (72) becomes thinner toward the center side, and a cut (73) is formed in the bottom plate (72). In this example, six cuts (73) extending radially from the center of the bottom plate (72) are formed.
- each container (65) contains different types of ink.
- the notch (73) is closed, and this partial force does not cause the ink to come out.
- the pressure causes the notch (73) to open, and the ink in the container (65) is removed. , Falls down through the open cut (73).
- the container storage section (66) includes a support member (75) extending horizontally in the left-right direction.
- the right end portion of the support member (75) is supported by the rear end portion of the support base (59) via an elevating device (76) using an air cylinder.
- On the support member (75), a plurality of container holding devices (77) are provided in parallel in the left-right direction.
- Each container holding device (77) includes a bottom receiving part (78) that receives the bottom of the container (65) from below, and a substantially semicircular intermediate that holds the intermediate part of the container (65) from the rear side. Part holding part (79).
- a guide rail (80) extending horizontally in the front-rear direction is provided on the right side of the dam plate mounting table (60X61) on the upper surface of the support table (59), and the first movable body (81 ) Is guided by the guide rail (80).
- a roller (82) provided at the lower left portion of the moving body (81) is placed on the upper surface of the left portion of the frame (7).
- the moving body (81) is moved in the front-rear direction by a driving device using a ball screw or the like.
- a guide rail (83) extending horizontally in the left-right direction is provided on the upper rear surface of the first moving body (81), and the second moving body (84) is guided by the guide rail (83). .
- the moving body (84) is moved in the left-right direction by a driving device using a ball screw or the like.
- the main part of the weir plate changing device (85) and the ink supply device (86) are provided in the second moving body (84).
- the weir plate exchanging device (85) is configured as follows.
- a cover (110) that also serves as a weir plate regulating member is provided.
- the left and right ends of the cover (110) are fixed to the frame (7) and cover the entire upper part of the original roller (3).
- a horizontal plate-like third moving body (88) is supported on the rear surface of the second moving body (84) via an elevating device (87) using an air cylinder, and the moving body (88 ), Turning using air pressure
- a closing device (89) is provided.
- a pair of freely openable and closable weir plate holding members (91) are provided at the lower end portion of the vertical swivel shaft (90) protruding downward from the swivel opening / closing device (89).
- the holding member (91) is moved in the front-rear direction and the left-right direction by movement of the first and second moving bodies (81X84), and is moved up and down by raising and lowering the third moving body (88).
- the holding member (91) is turned about the vertical axis by turning the turning shaft (90) by the turning-opening / closing device (89), and is opened / closed by the turning / opening / closing device (89).
- the ink replenishing device (86) is configured as follows.
- a guide rail (92) extending horizontally in the left-right direction is provided on the rear surface of the second moving body (84), and a pair of left and right container holding members (93) are guided by the guide rail (92). Yes.
- the two holding members (93) are symmetrical with each other.
- the holding member (93) includes a bottom holding portion (94) that sandwiches the bottom lid (70) portion of the container (65) from both the left and right sides and supports the outer peripheral portion of the bottom surface of the bottom lid (70) from below, and the container ( An intermediate portion holding portion (95) for holding the intermediate portion of 65) with both left and right side forces interposed therebetween is provided.
- the holding member (93) is moved left and right symmetrically by a drive device using an air cylinder to open and close.
- the vertical elevating rod (97) is supported by the bracket (96) projecting upward from the upper part of the second moving body (84) and horizontally extending above the holding member (93). It is raised and lowered by a lifting device (98).
- a horizontal disk-shaped pressing member (99) is fixed to the lower end of the lifting rod (97) protruding downward from the bracket (96).
- the level sensor (1) detects the ink level in the ink fountain (1) at the tip of the bracket (100) fixed to the bottom of the bottom holding part (94) of one holding member (93). 101).
- the level sensor (101) for example, an ultrasonic sensor is used.
- the notch (73) of the container (65) is obtained when the pressing member (99) does not push the upper part of the container (65) downward. This part is closed and the ink does not come out.
- the pressure causes the notch (73) to open and the ink falls downward.
- the ink falls on the outer peripheral surface of the original roller (3) slightly above the ink passage (52).
- the ink dropped on the outer peripheral surface of the original roller (3) moves to the ink passage (52) by the rotation of the original roller (3), and accumulates in the ink fountain (1).
- the level sensor (101) detects the ink level in the ink fountain (1), and the ink level becomes lower than the predetermined value. Refill the ink fountain (1) with ink. As a result, the ink level in the ink fountain (1) can be kept substantially constant.
- the dam plate (53) was not attached to the original roller (3) and the ink fountain forming surface (37), and a new dam plate was placed on the first dam plate mounting table (60). There are two or more (53).
- the ink supply device (86) does not hold the container (65), and the container (65) is held by the container holding device (77).
- the intermediate portion of the sheet (39) that has been fed from the sheet roll (49) and wound around the scooping member (50) is a portion of the ink fountain member (2) that is positioned at a predetermined working position. It is in close contact with the ink fountain forming surface (37).
- the ink fountain member (2) is positioned at the first working position, and the sheet (39) is in close contact with the first ink fountain forming surface (37a).
- the dam plate holding device (91) of the dam plate changing device (85) holds one dam plate (53) on the first mounting table (60). Is adsorbed to one weir plate adsorption part (55) of the original roller (3) and the ink fountain forming surface (37a) corresponding to this, and then another damp plate (53) is similarly attached to the original roller (53 It is adsorbed to the other weir plate adsorbing part (55) of 3) and the ink fountain forming surface (37a) corresponding thereto.
- the ink replenishing device (86) moves to the front of the desired container holding device (77) of the container storage section (66), then moves to the rear, and from the container holding device (77). Hold the ink container (65).
- the ink replenishing device (86) moves rearward toward the container holding device (77)
- the pair of container holding members (93) are opened, and the pressing member (99) is raised to the upper end position.
- the support member (75) of the container storage section (66) that is, the container holding device (77) is raised to the upper end position.
- the ink supply device (86) stops at a position where the container (65) enters between the pair of container holding members (93), and the container holding member (93) closes.
- Figure 8 (b) shows such a state. From this state, the container holding device (77) is lowered to the lower end position, whereby the container (65) is held by the container holding member (93) as shown in FIG. 8 (a).
- the ink supply device (86) moves away from the container holding device (77) and moves above the ink fountain (1). And only the former roller (3) Rotate the ink supply roller (15) to the rear end position and move the ink supply device (86) back and forth back and forth to supply ink to the ink fountain (1) to a certain level. To do. At this time, the ink level in the ink fountain (1) is lowered so that a small amount of ink is collected only in a small part near the ink passage (52).
- the kneading roller (4) and other rollers are also rotated to control the switching of the position of the ink transfer roller (15). Ink is supplied to the printing surface and printing is performed.
- ink is supplied into the ink fountain (1) while moving the ink supply device (86) to the left and right, thereby maintaining the ink level in the ink fountain (1) almost constant.
- a small amount of ink should be collected only in a small part near the ink passage (52).
- an alarm is issued and the operation is stopped.
- the setup change operation is performed as follows, for example.
- the ink replenishing device (86) moves to the front of the original container holding device (77) of the container storage section (66) and then moves to the rear, and the container holding device. Return the ink container (65) to (77).
- the ink supply device (86) stops at a position where the held container (65) is located directly above the bottom receiving portion (78) of the original container holding device (77).
- Figure 8 (a) shows such a situation.
- the container holding device (77) is stopped at the lower end position.
- the ink supply device (86) is stopped, the container holding device (77) is raised to the upper end position.
- the container (65) is lifted by the bottom receiving portion (78) of the container holding device (77), so that the pair of ink holding members (93) is opened and the ink holding member (93) is opened.
- the replenishing device (86) moves forward and leaves the container holding device (77).
- the ink fountain forming surface adsorption part (53a) of the dam plate (53) is disengaged from the ink fountain forming surface (37a), and the dam plate (53) It rotates counterclockwise with the original roller (3) while adsorbed to the original roller (3), but immediately hits the cover (110) and is stopped. Further, when the ink fountain member (2) further rotates, the barrier plate (53) rotates around the contact portion with the cover (110), and the ink original roller adsorbing portion (53b) becomes the original roller. Outer surface of (3) The ink fountain member (2) stops with the weir plate (53) resting on and resting on both the ink fountain member (2) and the original roller (3).
- the dam plate holding member (91) of the dam plate changer (85) holds the dam plate (53) in the opposite direction, and the ink fountain member (2) and the original roller ( After removing from 3) and moving to the second mounting table (61), similarly remove the other weir plate (53) and transfer to the second mounting table (61).
- the ink transferred to the ink transfer roller (15) is transferred to the kneading roller (4) and other rollers by the rotation of the kneading roller (4), and these rollers (15) (4) Less ink remains on the outer surface.
- the ink transfer roller (15), the kneading roller (4) and other rollers are automatically cleaned as before.
- the cleaning liquid for automatic cleaning is transferred from the kneading roller (4) side to the original roller (4). It is possible to move to 3) and clean the outer surface of the original roller (3) automatically.
- the sheet moving device (40) removes the predetermined length from the sheet roll (49).
- the sheet (39) is fed out and scraped off to the scraping member (50).
- the ink fountain member (2) is positioned at the working position for the next printing and stopped.
- the partial force of the used sheet (39) that is in close contact with the ink fountain forming surface (37a) and has old ink adhered during printing can be removed from the S ink fountain forming surface (37). To the position of the new sheet (39) before use.
- FIG. 12 shows a modified example of the ink fountain member.
- the ink fountain member (104) has, for example, a quadrangular prism shape with a square cross section, is positioned at four work positions at 90 degrees, and is fixed at each work position.
- the four sides around the ink fountain member (104) are the ink fountain forming surfaces (105a) (105b) (105c) (105d), and each ink forming surface (105a) to (105d) is counterclockwise.
- the ridge line at the end of the ink becomes the ink passage forming portions (106a) (106b) (106c) (106d) corresponding to the ink forming surfaces (105a) to (105d).
- FIG. 13 shows another modification of the ink fountain member.
- the ink fountain member (107) has, for example, a triangular prism shape with a right-angled cross section, and is positioned and fixed only at one working position.
- the rear surface of the ink fountain member (107) is the ink fountain forming surface (108), and the ridge line force at the rear end (lower end) of the ink fountain forming surface (108) It has become.
- the ink fountain member (107) is rotated counterclockwise from the working position, and is returned to the working position after the barrier plate (53) is removed as described above. It has become like that.
- the overall configuration of the ink supply device and the configuration of each unit of the printing press are not limited to those of the above-described embodiment, and can be changed as appropriate.
- the present invention is suitable for use in a printing press.
- the printing press according to the present invention it is possible to automate the replenishment of ink from different types of ink containers to the ink fountain, further automate the setup change work, thereby simplifying the setup change work and shortening the work time. Is possible.
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
Description
Claims
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200680010536.5A CN101151154B (zh) | 2005-03-29 | 2006-03-29 | 印刷机 |
| ES06730382T ES2391650T3 (es) | 2005-03-29 | 2006-03-29 | Máquina de impresión |
| AU2006229373A AU2006229373B2 (en) | 2005-03-29 | 2006-03-29 | Printing machine |
| EP06730382A EP1864802B1 (en) | 2005-03-29 | 2006-03-29 | Printing machine |
| DK06730382.6T DK1864802T3 (da) | 2005-03-29 | 2006-03-29 | Printapparat |
| US11/887,364 US8955437B2 (en) | 2005-03-29 | 2006-03-29 | Printing machine |
| CA2603110A CA2603110C (en) | 2005-03-29 | 2006-03-29 | Printing machine |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005-095346 | 2005-03-29 | ||
| JP2005095346A JP4395639B2 (ja) | 2005-03-29 | 2005-03-29 | 印刷機 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006104191A1 true WO2006104191A1 (ja) | 2006-10-05 |
Family
ID=37053445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2006/306434 Ceased WO2006104191A1 (ja) | 2005-03-29 | 2006-03-29 | 印刷機 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US8955437B2 (ja) |
| EP (1) | EP1864802B1 (ja) |
| JP (1) | JP4395639B2 (ja) |
| CN (1) | CN101151154B (ja) |
| AU (1) | AU2006229373B2 (ja) |
| CA (1) | CA2603110C (ja) |
| DK (1) | DK1864802T3 (ja) |
| ES (1) | ES2391650T3 (ja) |
| WO (1) | WO2006104191A1 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3823211B1 (ja) * | 2005-03-29 | 2006-09-20 | アイマー・プランニング株式会社 | 印刷機 |
| US9597706B2 (en) | 2013-03-15 | 2017-03-21 | Rooftop Research, Llc | Container and substance dispensing system |
| US20200001596A1 (en) * | 2017-06-01 | 2020-01-02 | I.Mer Co., Ltd. | Device for Cleaning Ink Reservoir, Printing Machine, and Method for Cleaning Ink Reservoir |
Citations (7)
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| JPS52144002U (ja) * | 1976-04-27 | 1977-11-01 | ||
| JPH02233253A (ja) | 1989-03-07 | 1990-09-14 | Graphic Aatsu Syst:Kk | 印刷インキ用袋、印刷機械におけるインキ供給方法及びその装置 |
| JPH0544845U (ja) * | 1991-11-13 | 1993-06-15 | 花王株式会社 | 容 器 |
| JPH09193356A (ja) * | 1996-01-11 | 1997-07-29 | Heidelberger Druckmas Ag | 印刷機のインキ装置におけるインキ出しローラ付きインキつぼ |
| DE19908841A1 (de) | 1998-03-31 | 1999-10-07 | Heidelberger Druckmasch Ag | Vorrichtung zum automatischen Wechseln von Farbkatuschen an einer Offsetdruckmaschine |
| WO2000010810A1 (en) | 1998-08-18 | 2000-03-02 | Walter Stobb Associates, Inc. | Method and apparatus for dispensing ink to a printing press |
| US20020152907A1 (en) | 1996-09-30 | 2002-10-24 | Accel Graphic Systems, Inc. | Method and apparatus for maintaining ink level in ink fountain of printing press |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3199451A (en) * | 1963-08-02 | 1965-08-10 | Koppers Co Inc | Ink distribution device |
| JPS5845995B2 (ja) | 1976-05-27 | 1983-10-13 | 日商岩井株式会社 | 人造粘結炭の製造法 |
| US4314658A (en) * | 1980-01-30 | 1982-02-09 | Laauwe Robert H | Viscous product dispensing squeeze bottle having a self-venting automatic shut-off valve |
| JPH03194174A (ja) | 1989-12-21 | 1991-08-23 | Toyota Autom Loom Works Ltd | レシプロ型圧縮機の吸入弁機構 |
| JPH0544845A (ja) | 1991-08-08 | 1993-02-23 | Nippon Riikuresu Kogyo Kk | 金属ガスケツト |
| US5333761A (en) * | 1992-03-16 | 1994-08-02 | Ballard Medical Products | Collapsible bottle |
| CN1049388C (zh) * | 1993-07-20 | 2000-02-16 | 艾玛计划有限公司 | 印刷机的油墨供给装置 |
| JP3194174B2 (ja) | 1993-09-10 | 2001-07-30 | アイマー・プランニング株式会社 | 印刷機のインキ供給装置 |
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| TW330907B (en) * | 1996-09-09 | 1998-05-01 | Riso Kagaku Corp | The ink container and ink supplied device for packing ink container |
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| ITMI20022364A1 (it) * | 2002-11-07 | 2004-05-08 | Tgc Srl | Dispositivo per alimentare inchiostro preconfezionato al calamaio di |
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-
2006
- 2006-03-29 EP EP06730382A patent/EP1864802B1/en not_active Expired - Lifetime
- 2006-03-29 CA CA2603110A patent/CA2603110C/en not_active Expired - Fee Related
- 2006-03-29 AU AU2006229373A patent/AU2006229373B2/en not_active Ceased
- 2006-03-29 DK DK06730382.6T patent/DK1864802T3/da active
- 2006-03-29 US US11/887,364 patent/US8955437B2/en not_active Expired - Fee Related
- 2006-03-29 ES ES06730382T patent/ES2391650T3/es not_active Expired - Lifetime
- 2006-03-29 CN CN200680010536.5A patent/CN101151154B/zh not_active Expired - Fee Related
- 2006-03-29 WO PCT/JP2006/306434 patent/WO2006104191A1/ja not_active Ceased
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| JPS52144002U (ja) * | 1976-04-27 | 1977-11-01 | ||
| JPH02233253A (ja) | 1989-03-07 | 1990-09-14 | Graphic Aatsu Syst:Kk | 印刷インキ用袋、印刷機械におけるインキ供給方法及びその装置 |
| JPH0544845U (ja) * | 1991-11-13 | 1993-06-15 | 花王株式会社 | 容 器 |
| JPH09193356A (ja) * | 1996-01-11 | 1997-07-29 | Heidelberger Druckmas Ag | 印刷機のインキ装置におけるインキ出しローラ付きインキつぼ |
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Also Published As
| Publication number | Publication date |
|---|---|
| DK1864802T3 (da) | 2012-09-24 |
| JP4395639B2 (ja) | 2010-01-13 |
| AU2006229373A1 (en) | 2006-10-05 |
| EP1864802B1 (en) | 2012-08-29 |
| AU2006229373B2 (en) | 2011-08-25 |
| CA2603110C (en) | 2014-01-07 |
| EP1864802A4 (en) | 2011-01-19 |
| EP1864802A1 (en) | 2007-12-12 |
| US8955437B2 (en) | 2015-02-17 |
| JP2006272752A (ja) | 2006-10-12 |
| ES2391650T3 (es) | 2012-11-28 |
| US20090320703A1 (en) | 2009-12-31 |
| CN101151154B (zh) | 2010-05-19 |
| CA2603110A1 (en) | 2006-10-05 |
| CN101151154A (zh) | 2008-03-26 |
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