Horizontal pushing type sleeve flexographic printing mechanism

Abstract

The utility model relates to a flexographic printing machine, in particular to a horizontal pushing type sleeve flexographic printing mechanism which comprises two side wall plates, the two side wall plates are respectively provided with an installation assembly in a longitudinal sliding mode, locking devices are arranged between the wall plates and the installation assemblies, and each installation assembly comprises a plate roller installation plate and an inking system installation plate. The printing roller mounting plate is provided with a printing roller mounting piece for mounting a printing roller, the inking system mounting plate is provided with an anilox roller mounting piece for mounting an anilox roller, the inking system mounting plate is longitudinally arranged in a sliding mode relative to the printing roller mounting plate, the printing roller mounting piece and the anilox roller mounting piece each comprise a movable seat and a guide rail, the movable seats are arranged on the guide rails in a sliding mode, and the guide rails are arranged in a swinging mode. The guide rail has an installation state and a receding state, the guide rail swings to be switched between the installation state and the receding state, the anilox roller and the plate roller are adjusted in place through longitudinal sliding, the contact pressure of the anilox roller and the plate roller is adjusted, the inking amount of a resin plate is controlled, the locking device is fixed, and the plate jumping problem is effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a flexographic printing machine, in particular to a flat push type sleeve flexographic printing mechanism. BACKGROUND

[0002] In the flexographic printing machine, a resin plate engraved by a flexible material is generally pasted on a plate roller, and a plate gap is formed after the resin plate is pasted. When printing by using a commonly used hanger type plate mounting and petal type plate mounting, a plate jump phenomenon occurs when the plate roller rotates through the plate gap during high-speed printing. The larger the plate gap, the more serious the plate jump, resulting in various problems of the printed pattern. SUMMARY

[0003] In view of the technical problems in the background art, the utility model aims to provide a flat push type sleeve flexographic printing mechanism, a longitudinal sliding adjustment mounting assembly, and a locking device for fixing, effectively solving the plate jump problem.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: the flat push type sleeve flexographic printing mechanism comprises two side wallboards, wherein mounting assemblies are longitudinally slidably arranged on the two side wallboards, locking devices are arranged between the wallboards and the mounting assemblies, the mounting assemblies comprise plate roller mounting plates and ink supply system mounting plates, the plate roller mounting plates are provided with plate roller mounting members for mounting plate rollers, the ink supply system mounting plates are provided with anilox roller mounting members for mounting anilox rollers, the ink supply system mounting plates are longitudinally slidably arranged relative to the plate roller mounting plates, the plate roller mounting members and the anilox roller mounting members each comprise a movable seat and a guide rail, the movable seat is slidably arranged on the guide rail, the guide rail is swingably arranged, the guide rail has a mounting state and an avoiding state, and the guide rail swings between the mounting state and the avoiding state.

[0005] In this scheme, the anilox roller and the plate roller are longitudinally slidably adjusted to be in place, the contact pressure of the anilox roller and the plate roller is adjusted, the ink supply amount of the resin plate is controlled, the locking device is fixed, the plate jump problem is effectively solved, the movable seat is separated from the sleeve core, the guide rail swings to drive the movable seat to move away to one side, and the sleeve core is conveniently disassembled and assembled.

[0006] Preferably, the two guide rails are arranged on the same side wallboard, and the guide rails swing in opposite directions into the avoiding state.

[0007] In this scheme, the guide rails are arranged on the same side wallboard, which is convenient to install, and the opposite swinging avoids mutual interference.

[0008] Preferably, the plate roller mounting members and the anilox roller mounting members further comprise positioning seats, the movable seats extend locking blocks, the positioning seats are provided with positioning grooves corresponding to the locking blocks, and the positioning grooves extend in the transverse direction.

[0009] In this design, the positioning groove allows the locking block to enter and longitudinally limit the movement of the movable seat.

[0010] Preferably, the locking block is disposed below the movable seat, the positioning seat includes an adjusting block and a pad, the adjusting block is laterally adjustable on the pad, the lower surface of the adjusting block is in contact with the upper surface of the pad and is inclined laterally, and the positioning groove is disposed on the adjusting block.

[0011] In this design, there is a gap between the movable seat and the guide rail. The adjusting block is adjusted laterally so that it rises and falls along the inclined surface of the pad. The movable seat is raised by the cooperation of the positioning groove and the locking block, ensuring the concentricity of the two ends of the sleeve core and eliminating machining and assembly errors.

[0012] Preferably, the locking block and the positioning groove are inverted T-shaped, the locking block is connected to a handle, and the locking block is threadedly connected to the movable seat.

[0013] In this scheme, rotating the handle causes the locking block to rise and fall, thereby unlocking and locking.

[0014] Preferably, the inking system mounting plate is longitudinally slidably disposed on the printing roller mounting plate. The printing roller mounting plate is connected to a longitudinal lead screw adjusting seat. The longitudinal lead screw adjusting seat is provided with a first adjusting motor and a second adjusting motor. The first adjusting motor is driven by an upper lead screw, which is connected to an upper lead screw nut. The upper lead screw nut is connected to the inking system mounting plate. The second adjusting motor is driven by a lower lead screw, which is connected to a lower lead screw nut. The lower lead screw nut is connected to the wall panel.

[0015] In this scheme, longitudinal adjustment is carried out based on the printing roller mounting plate, which is a reasonable design.

[0016] Preferably, the wall panel is provided with a first slide rail on its side, the printing roller mounting plate is connected to a first slider, the first slider is slidably disposed on the first slide rail, the printing roller mounting plate is provided with a second slide rail on its side, and the inking system mounting plate is connected to a second slider, the second slider is slidably disposed on the second slide rail.

[0017] In this design, the slide rail and slider work together to guide the longitudinal adjustment.

[0018] Preferably, the locking device comprises a first pull rod, a second pull rod, a first pressing plate and a second pressing plate, the first pull rod is in transmission connection with a first hydraulic locking cylinder, the first hydraulic locking cylinder is arranged on the wallboard, the plate roller mounting plate is provided with a lower through groove for the first pull rod and the second pull rod to pass through, the second pull rod is in transmission connection with a second hydraulic locking cylinder, the second hydraulic locking cylinder is arranged on the wallboard, the inking system mounting plate is provided with an upper through groove for the second pull rod to pass through, the first pressing plate is in transmission connection with the first pull rod, the first pressing plate is arranged in the upper through groove, the second pressing plate is in transmission connection with the second pull rod, and the second pressing plate is arranged above the inking system mounting plate.

[0019] In this scheme, the hydraulic locking cylinder drives the pull rod to drive the pressing plate to press down, and locking is completed.

[0020] Preferably, the plate roller mounting member and the anilox roller mounting member each comprise a fixed seat and a movable seat, the fixed seat and the movable seat are arranged on the wallboard on two sides respectively, the movable seat is provided with a locking cylinder and a guide sleeve, a top head sliding sleeve for installing a sleeve core is horizontally slidably arranged in the guide sleeve, the guide sleeve and the top head sliding sleeve jointly form a locking air chamber, and an output shaft of the locking cylinder extends into the locking air chamber; the fixed seat of the plate roller mounting member is provided with a mounting sliding sleeve and a sleeve printing motor, the mounting sliding sleeve is horizontally movably arranged, one end of the mounting sliding sleeve is provided with a driving motor, and the other end of the mounting sliding sleeve is provided with an opening for the sleeve core to pass through; and the sleeve printing motor drives the mounting sliding sleeve to move horizontally.

[0021] In this scheme, the sleeve printing motor drives the mounting sliding sleeve to drive the plate roller to move horizontally, the top head sliding sleeve aligns the center of the sleeve core, the locking cylinder acts to compress the locking air chamber to complete locking, and the radial runout and the horizontal runout of the sleeve core are eliminated.

[0022] The beneficial effects of the utility model are that the longitudinal sliding adjusts the anilox roller and the plate roller to be in place, adjusts the contact pressure of the anilox roller and the plate roller, controls the inking amount of the resin plate, the locking device is fixed, effectively solves the plate jumping problem, the sliding movable seat is separated from the sleeve core, the guide rail swings to drive the movable seat to open to one side, and the sleeve core is convenient to disassemble and assemble. BRIEF DESCRIPTION OF DRAWINGS

[0023] The relevant details and working principles of the embodiments of the utility model are described below in combination with the drawings.

[0024] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0025] Figure 2 It is a side view of the utility model.

[0026] Figure 3The utility model discloses a sectional view of the plate roller mounting piece.

[0027] Figure 4 The utility model discloses a three-dimensional structure schematic diagram of the movable seat

[0028] In the drawing: 1, wallboard, 2, mounting assembly, 3, locking device, 4, plate roller mounting plate, 5, plate roller mounting piece, 6, ink system mounting plate, 7, anilox roller mounting piece, 8, movable seat, 9, guide rail, 10, positioning seat, 11, locking block, 12, positioning groove, 13, adjusting block, 14, pad block, 15, handle, 16, longitudinal screw rod adjusting seat, 17, first adjusting motor, 18, second adjusting motor, 19, lower screw rod, 20, first sliding rail, 21, first sliding block, 22, second sliding rail, 23, second sliding block, 24, first hydraulic locking cylinder, 25, second hydraulic locking cylinder, 26, fixed seat, 27, locking cylinder, 28, guide sleeve, 29, top head sliding sleeve, 30, locking air cavity, 31, mounting sliding sleeve, 32, register motor, 33, drive motor, 34, upper screw rod. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and all other embodiments obtained by the person skilled in the art without creative labor based on the embodiments in the utility model belong to the protection scope of the utility model.

[0030] In the description of the present application, it is understood that the orientation or position relationship indicated by the terms "upper", "lower" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0031] In the description of the present application, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0032] Referring to the drawings Figures 1-4The push type sleeve flexographic printing mechanism in the embodiment of the present embodiment comprises two side wall plates 1, wherein mounting assemblies 2 are longitudinally slidably arranged on the two side wall plates 1, locking devices 3 are arranged between the wall plates 1 and the mounting assemblies 2, the mounting assemblies 2 comprise plate roller mounting plates 4 and ink supply system mounting plates 6, the plate roller mounting plates 4 are provided with plate roller mounting members 5 for mounting plate rollers, the ink supply system mounting plates 6 are provided with anilox roller mounting members 7 for mounting anilox rollers, the ink supply system mounting plates 6 are longitudinally slidably arranged on the plate roller mounting plates 4, the plate roller mounting plates 4 are connected with longitudinal screw rod adjusting seats 16, the longitudinal screw rod adjusting seats 16 are provided with first adjusting motors 17 and second adjusting motors 18, the first adjusting motors 17 are drivingly connected with upper screw rods 34, the upper screw rods 34 are connected with upper screw nuts, the upper screw nuts are connected with the ink supply system mounting plates 6, the second adjusting motors 18 are drivingly connected with lower screw rods 19, the lower screw rods 19 are connected with lower screw nuts, and the lower screw nuts are connected with the wall plates 1.

[0033] The plate roller mounting members 5 and the anilox roller mounting members 7 each comprise fixed seats 26, movable seats 8, positioning seats 10 and guide rails 9, the fixed seats 26 and the movable seats 8 are arranged on the two side wall plates 1 respectively, the movable seats 8 are slidably arranged on the guide rails 9, the guide rails 9 are swingably arranged, the guide rails 9 have mounting states and avoiding states, the guide rails 9 swing between the mounting states and the avoiding states, and the two guide rails 9 are arranged on the same side wall plate 1 and swing in opposite directions into the avoiding states.

[0034] The locking blocks 11 are arranged below the movable seats 8, the positioning seats 10 are provided with positioning grooves 12 corresponding to the locking blocks 11, the positioning grooves 12 extend in the transverse direction, the positioning seats 10 comprise adjusting blocks 13 and pad blocks 14, the adjusting blocks 13 are transversely movably arranged on the pad blocks 14, the lower surfaces of the adjusting blocks 13 are in abutment with the upper surfaces of the pad blocks 14 and are arranged in transverse inclination, the positioning grooves 12 are arranged on the adjusting blocks 13, the locking blocks 11 and the positioning grooves 12 are in inverted T shape, the locking blocks 11 are connected with handles 15, and the locking blocks 11 are threadedly connected with the movable seats 8.

[0035] The movable seat 8 is provided with a locking cylinder 27 and a guide sleeve 28, the guide sleeve 28 is provided with a top head sliding sleeve 29 for installing the sleeve core in transverse sliding manner, the guide sleeve 28 and the top head sliding sleeve 29 jointly form a locking air cavity 30, the guide sleeve 28 is provided with the locking cylinder 27 at the other end, the output shaft of the locking cylinder 27 extends into the locking air cavity 30, the fixed seat 26 of the plate roller mounting member 5 is provided with a mounting sliding sleeve 31 and a sleeve printing motor 32, the mounting sliding sleeve 31 is provided in transverse moving manner, one end of the mounting sliding sleeve 31 is provided with a driving motor 33, the other end of the mounting sliding sleeve 31 is provided with an opening for the sleeve core to pass through, the sleeve printing motor 32 drives the mounting sliding sleeve 31 to move transversely.

[0036] In the embodiment, when the plate is installed, the two guide rails 9 swing in opposite directions into the avoiding state, after the sleeve core is installed into the mounting sliding sleeve 31 in place, the guide rail 9 swings back to the installation state, the movable seat 8 is pushed along the guide rail 9, the locking block 11 enters the positioning groove 12, after the movable seat 8 is pushed into place, the handle 15 is rotated to fine-tune the locking block 11, the upper surface of the locking block 11 abuts against the positioning groove 12 to complete the positioning.

[0037] When the concentricity of the sleeve core is adjusted, the transverse fine-tuning adjusting block 13 changes the height of the movable seat 8 to ensure the concentricity of the movable seat 8 and the fixed seat 26.

[0038] When the longitudinal position is adjusted, the first adjusting motor 17 and the second adjusting motor 18 respectively adjust the longitudinal position of the plate roller mounting plate 4 relative to the wall plate 1 and the longitudinal position of the inking system mounting plate 6 relative to the plate roller mounting plate 4 through the screw nut cooperation to control the inking amount.

[0039] When the plate roller is transversely sleeve printed, the sleeve printing motor 32 drives the mounting sliding sleeve 31 to move transversely through the screw nut, the top head sliding sleeve 29 finds the center of the sleeve core, after the sleeve printing is in place, the locking cylinder 27 acts, the output shaft deeply enters the locking air cavity 30, the air pressure increases to complete the locking.

[0040] The one end of the guide rail 9 is connected with a rotating bearing; the driving motor 33 is in transmission connection with the sleeve core through a shaft coupling; the adjusting block 13 is in threaded connection with a limiting screw, the cushion block 14 is in threaded connection with a positioning screw, the limiting screw passes through the through hole in the cushion block 14 and is in threaded connection with the adjusting block 13 to limit the adjusting block 13 from the through hole, the positioning screw abuts against the adjusting block 13 to limit the adjusting block 13 from the through hole, the two cooperate to realize the positioning of the adjusting block 13, the adjusting can be realized by changing the threaded connection depth; the positioning groove 12 is jointly formed by the adjusting block 13 and the cushion block 14, a positioning block can be arranged in the positioning groove 12; the guide rail 9 can be provided with a swing positioning block, so that the guide rail 9 swings to the installation state; the fixed seat 26 is also provided with a sleeve core puller driven by a cylinder; the top head sliding sleeve 29 is provided with a top head, the top head is freely rotatable, and the top head is provided with a limiting hole corresponding to the outer contour of the sleeve core.

[0041] Referring to the drawingsFigures 1-3 The wallboard 1 is provided with a first sliding rail 20 on the side, the plate roller mounting plate 4 is connected with a first sliding block 21, the first sliding block 21 is slidingly arranged on the first sliding rail 20, the plate roller mounting plate 4 is provided with a second sliding rail 22 on the side, the inking system mounting plate 6 is connected with a second sliding block 23, and the second sliding block 23 is slidingly arranged on the second sliding rail 22.

[0042] The locking device 3 comprises a first pull rod, a second pull rod, a first pressing plate and a second pressing plate, the first pull rod is drivingly connected with a first hydraulic locking cylinder 24, the first hydraulic locking cylinder 24 is arranged on the wallboard 1, the plate roller mounting plate 4 is provided with a lower through groove for the first pull rod and the second pull rod to pass through, the second pull rod is drivingly connected with a second hydraulic locking cylinder 25, the second hydraulic locking cylinder 25 is arranged on the wallboard 1, the inking system mounting plate 6 is provided with an upper through groove for the second pull rod to pass through, the first pressing plate is drivingly connected with the first pull rod, and the first pressing plate is arranged in the upper through groove; the second pressing plate is drivingly connected with the second pull rod, and the second pressing plate is arranged above the inking system mounting plate 6.

[0043] In the embodiment, the sliding rails and the sliding blocks are arranged on the side and do not affect the arrangement of the pull rods, the hydraulic locking cylinders drive the pressing plates to be pressed down through the pull rods, and the second pull rod can also be drivingly connected with a supporting plate; the supporting plate and the second pressing plate cooperate to clamp the inking system mounting plate 6, and the locking effect is better.

[0044] In other alternative embodiments, I-shaped locking blocks 11 can also be arranged between the wallboard 1 and the plate roller mounting plate 4 and between the plate roller mounting plate 4 and the inking system mounting plate 6, the I-shaped locking blocks 11 form hydraulic cavities with the wallboard 1 and the plate roller mounting plate 4 respectively, and the I-shaped locking blocks 11 are adjusted to adjust the hydraulic tightness to complete unlocking and locking.

[0045] The above is the preferred embodiment of the utility model, and it should be pointed out that the protection scope of the utility model is not limited to this. For those skilled in the art, on the premise of not departing from the technical range disclosed by the utility model, a plurality of improvements and refinements or equivalent replacements can also be made under the premise of the same utility model concept, and it is also regarded as the protection scope of the utility model.

Claims

1. Flat push-through sleeve pad printing mechanism, comprising two side wall panels (1), characterized in that: Two sides of the wallboard (1) are longitudinally slidably provided with mounting assemblies (2), the wallboard (1) and the mounting assembly (2) are provided with locking devices (3), the mounting assembly (2) comprises plate roller mounting plate (4) is provided with plate roller mounting piece (5) for plate roller installation; the ink system mounting plate (6) is provided with the screen roller mounting piece (7) for the screen roller installation, the ink system mounting plate (6) is longitudinally slidably arranged on the plate roller mounting plate (4), the plate roller mounting piece (5) and the screen roller mounting piece (7) all include movable seat (8) and guide rail (9), the movable seat (8) is slidably arranged on the guide rail (9), the guide rail (9) is swingably arranged, the guide rail (9) has installation state and avoiding state, the guide rail (9) swings between the installation state and the avoiding state.

2. The push-through sleeve pad printing mechanism of claim 1, wherein: Two guide rails (9) are arranged on the same side of the wallboard (1), the guide rails (9) swing into the avoiding state in opposite directions.

3. The push-through sleeve pad printing mechanism of claim 1, wherein: The plate roller mounting piece (5) and the screen roller mounting piece (7) further comprise a positioning seat (10), the movable seat (8) extends a locking block (11), the positioning seat (10) is provided with a positioning groove (12) corresponding to the locking block (11), and the positioning groove (12) extends in the transverse direction.

4. The push-through sleeve pad printing mechanism of claim 3, wherein: The locking block (11) is arranged below the movable seat (8), the positioning seat (10) comprises an adjusting block (13) and a pad block (14), the adjusting block (13) is movably arranged on the pad block (14) in the transverse direction, the lower surface of the adjusting block (13) is attached to the upper surface of the pad block (14) and is arranged in the transverse direction, and the positioning groove (12) is arranged on the adjusting block (13).

5. The push-through sleeve pad printing mechanism of claim 4, wherein: The locking block (11) and the positioning groove (12) are in inverted T shape, the locking block (11) is connected with a handle (15), and the locking block (11) is threadedly connected with the movable seat (8).

6. The push-through sleeve pad printing mechanism of claim 1, wherein: The ink system mounting plate (6) is longitudinally slidably arranged on the plate roller mounting plate (4), the plate roller mounting plate (4) is connected with a longitudinal screw rod adjusting seat (16), and the longitudinal screw rod adjusting seat (16) is provided with a first adjusting motor (17) is drivingly connected with an upper screw rod (34), the upper screw rod (34) is connected with an upper screw nut, and the upper screw nut is connected with the ink system mounting plate (6); a second adjusting motor (18) is drivingly connected with a lower screw rod (19), the lower screw rod (19) is connected with a lower screw nut, and the lower screw nut is connected with the wallboard (1).

7. The flat push type sleeve flexographic printing mechanism according to claim 6, characterized in that: the wallboard (1) is provided with a first sliding rail (20) on the side surface, the plate roller mounting plate (4) is connected with a first sliding block (21), and the first sliding block (21) is slidably arranged on the first sliding rail (20); the plate roller mounting plate (4) is provided with a second sliding rail (22) on the side surface, the ink system mounting plate (6) is connected with a second sliding block (23), and the second sliding block (23) is slidably arranged on the second sliding rail (22).

8. The push-through sleeve pad printing mechanism of claim 1, wherein: the locking device (3) comprises The first pull rod is drivingly connected with a first hydraulic locking cylinder (24), the first hydraulic locking cylinder (24) is arranged on the wallboard (1), the plate roller mounting plate (4) is provided with a lower through slot for the first pull rod and the second pull rod to pass through; The second pull rod is drivingly connected with a second hydraulic locking cylinder (25), the second hydraulic locking cylinder (25) is arranged on the wallboard (1), the ink supply system mounting plate (6) is provided with an upper through slot for the second pull rod to pass through; The first pressing plate is drivingly connected with the first pull rod, and the first pressing plate is arranged in the upper through slot; The second pressing plate is drivingly connected with the second pull rod, and the second pressing plate is arranged above the ink supply system mounting plate (6).

9. The flat push sleeve flexographic printing mechanism according to claim 1, wherein: The plate roller mounting member (5) and the anilox roller mounting member (7) each include a fixed seat (26), and the fixed seat (26) and the movable seat (8) are arranged on the wallboard (1) on both sides, respectively; The movable seat (8) is provided with a locking cylinder (27) and a guide sleeve (28), the guide sleeve (28) is provided with a top head sliding sleeve (29) for sleeve core installation which is arranged to slide transversely in the guide sleeve (28), the guide sleeve (28) and the top head sliding sleeve (29) jointly form a locking air chamber (30), and the output shaft of the locking cylinder (27) extends into the locking air chamber (30); The fixed seat (26) of the plate roller mounting member (5) is provided with a mounting sliding sleeve (31) and a sleeve printing motor (32), the mounting sliding sleeve (31) is arranged to move transversely, one end of the mounting sliding sleeve (31) is provided with a driving motor (33), the other end of the mounting sliding sleeve (31) is provided with an opening for the sleeve core to pass through, and the sleeve printing motor (32) drives the mounting sliding sleeve (31) to move transversely.

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