Gravure printing machine with printing roller convenient to replace

Abstract

The utility model relates to the technical field of printing equipment, in particular to a photogravure press with a printing roller convenient to replace, which comprises a bottom plate, the top of the bottom plate is fixedly connected with the bottom of a frame body, the inner wall of the frame body is rotatably connected with the outer wall of a guide roller, a guide plate is arranged on the frame body, and the lower surface of the frame body is fixedly connected with the top of a movable frame. The inner wall of the movable frame is rotationally connected with the outer wall of the coining cylinder, the top of the bottom plate is fixedly connected with the bottom of the supporting assembly, the inner wall of the supporting assembly is rotationally connected with the outer wall of the plate cylinder, and the inner wall of the plate cylinder is movably connected with the outer wall of the driving assembly in a clamped mode. The outer wall of the driving assembly is in sliding connection with the inner wall of the supporting assembly. According to the improved gravure printing machine with the printing roller convenient to replace, by arranging the movable frame, the supporting assembly, the plate cylinder and the driving assembly, the problems that a traditional gravure printing machine is inconvenient to replace and inaccurate in positioning are solved, and the gravure printing machine is suitable for printing work needing to replace the printing roller frequently.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing equipment technical field, concretely is a convenient change printing roller's gravure press. BACKGROUND

[0002] The gravure press is a kind of equipment using the pre-designed patterned gravure to print, and the figure part of the printing plate is concave, and the blank part is in the same plane with the outer circle of printing plate cylinder, and in the gravure printing process, the printing plate cylinder is the key component, and its replacement frequency is higher.

[0003] But the existing traditional gravure press printing plate cylinder fixing mode is more complex, and the printing plate cylinder dismounting process is tedious, which greatly increases the replacement time of printing plate cylinder, and the replaced printing plate cylinder needs to be repositioned, thereby affecting the printing accuracy and printing efficiency. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of gravure press of convenient change printing roller, to solve the complex problem of traditional gravure press fixing mode in the above background art, the printing plate cylinder is disassembled and assembled with tediousness.For realizing the above-mentioned purpose, the utility model provides the following technical scheme: a kind of gravure press of convenient change printing roller, including bottom plate, the top of the bottom plate is fixedly connected with the bottom of frame body, the inner wall of the frame body is rotatably connected with the outer wall of guide roller, the guide plate is arranged on the frame body, the top of movable frame is fixedly connected with the lower surface of frame body, the inner wall of movable frame is rotatably connected with the outer wall of printing pressure cylinder;

[0005] The top of the bottom plate is fixedly connected with the bottom of support assembly, the inner wall of support assembly is rotatably connected with the outer wall of printing plate cylinder, the inner wall of printing plate cylinder is movably connected with the outer wall of drive assembly, the outer wall of drive assembly is slidably connected with the inner wall of support assembly;

[0006] The inner wall of support assembly is rotatably connected with the outer wall of ink roller, the outer wall of support assembly is fixedly connected with the outer wall of ink box, the bottom of scraper is fixedly connected with the top of ink box;

[0007] The movable frame includes rotating head, rotating shaft rod is arranged on the rotating head, the inner wall of connecting arm is rotatably connected with the outer wall of rotating shaft rod;

[0008] The support assembly includes support rod, the top of support rod is fixedly connected with the bottom of lower rotating sleeve, the lower rotating sleeve is rotatably connected with upper rotating sleeve by shaft, one side of upper rotating sleeve is provided with movable buckle, and the movable buckle is movably connected with lower rotating sleeve;

[0009] The plate cylinder comprises a plate roller, an inner wall of the plate roller is fixedly connected with an outer wall of a roller shaft, and the outer wall of the roller shaft is rotationally connected with an inner wall of a rotating bearing;

[0010] The driving assembly comprises a moving chassis, a limiting buckle is arranged on the side of the moving chassis, the top of the moving chassis is fixedly connected with the bottom of a fixed ring, the inner wall of the fixed ring is rotationally connected with the outer wall of a clamping protrusion, the clamping protrusion is provided with a driven gear, the outer wall of the driven gear is meshedly connected with the inner wall of a transmission track, the inner wall of the transmission track is meshedly connected with the outer wall of a driving gear, and the driving gear is installed on the output end of a servo motor.

[0011] Further preferably, the frame body is symmetrically provided with an axle hole at a position corresponding to the guide roller.

[0012] Further preferably, the guide roller is symmetrically arranged on the left and right sides of the frame body with the center line of the frame body as the symmetric axis.

[0013] Further preferably, the guide plate is symmetrically arranged at the bottom of the guide roller with the center line of the frame body as the symmetric axis.

[0014] Further preferably, one side of the rotating head is provided with a limiting baffle, the upper end of the connecting arm is provided with a reserved hole, the diameter of the reserved hole of the upper end of the connecting arm is consistent with the diameter of the rotating shaft rod, and the connecting arm is provided with an axle hole at a position corresponding to the printing cylinder.

[0015] Further preferably, the supporting assembly further comprises a moving platform, the moving platform is arranged on the side of the supporting rod, the supporting rod is symmetrically provided with an axle hole at a position corresponding to the ink roller, the inside of the lower rotating sleeve and the upper rotating sleeve is provided with an axle slot, the lower rotating sleeve is provided with a clamping slot on the side close to the movable buckle, and the inside of the moving platform is provided with a sliding slot.

[0016] Further preferably, one end of the roller shaft is provided with a clamping socket, the rotating bearings are symmetrically arranged at the two ends of the roller shaft, and the outer wall size of the rotating bearings is consistent with the inner wall size of the axle slots in the lower rotating sleeve and the upper rotating sleeve.

[0017] Further preferably, the bottom of the moving chassis is provided with a sliding block, the outer wall size of the sliding block at the bottom of the moving chassis is consistent with the inner wall size of the sliding slot in the moving platform, and the fixed ring is installed between the clamping protrusion and the driven gear.

[0018] Compared with the prior art, the present application has the following beneficial effects:

[0019] The utility model discloses a first lift connecting arm, and connecting arm drives to lift the printing and pressing cylinder, then lift the limiting buckle of mobile chassis side, at this moment can slide the mobile chassis along the sliding slot in the moving platform, and the mobile chassis drives the clamping lobe to move through the fixed ring, and the clamping lobe is pulled out from the clamping recess, realizes convenient disassembly of the roll shaft, then the movable buckle is pried from the card slot, and the upper rotating sleeve is lifted, at this moment can lift the roll shaft together with the plate cylinder and change, realizes the effect that plate cylinder is conveniently disassembled, greatly reduces the replacement time of hard plate cylinder, improves the replacement efficiency.

[0020] The utility model discloses a first lift connecting arm, and connecting arm drives to lift the printing and pressing cylinder, then lift the limiting buckle of mobile chassis side, at this moment can slide the mobile chassis along the sliding slot in the moving platform, and the mobile chassis drives the clamping lobe to move through the fixed ring, and the clamping lobe is pulled out from the clamping recess, realizes convenient disassembly of the roll shaft, then the movable buckle is pried from the card slot, and the upper rotating sleeve is lifted, at this moment can lift the roll shaft together with the plate cylinder and change, realizes the effect that plate cylinder is conveniently disassembled, greatly reduces the replacement time of hard plate cylinder, improves the replacement efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is whole structure schematic diagram of the utility model;

[0022] Figure 2 It is movable frame sectional structure schematic diagram of the utility model;

[0023] Figure 3 It is support subassembly structure schematic diagram of the utility model;

[0024] Figure 4 It is plate cylinder structure schematic diagram of the utility model;

[0025] Figure 5 It is drive subassembly explosion structure schematic diagram of the utility model.

[0026] In the drawing: 1, bottom plate;2, frame body;3, guide roller;4, guide plate;5, movable frame;501, rotating head;502, rotating shaft;503, connecting arm;6, printing and pressing cylinder;7, support subassembly;701, support rod;702, lower rotating sleeve;703, upper rotating sleeve;704, movable buckle;705, moving platform;8, plate cylinder;801, plate cylinder;802, roll shaft;803, rotating bearing;9, drive subassembly;901, mobile chassis;902, limiting buckle;903, fixed ring;904, clamping lobe;905, driven gear;906, transmission track;907, driving gear;908, servo motor;10, ink roller;11, ink box;12, doctor blade. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of the present application.

[0028] Please refer to Figures 1 to 5 The present application provides a technical scheme: a gravure printing machine with a printing roller convenient to replace, comprising a bottom plate 1, the top of the bottom plate 1 is fixedly connected with the bottom of a frame body 2, the inner wall of the frame body 2 is rotatably connected with the outer wall of a guide roller 3, a guide plate 4 is arranged on the frame body 2, the lower surface of the frame body 2 is fixedly connected with the top of a movable frame 5, the inner wall of the movable frame 5 is rotatably connected with the outer wall of a printing cylinder 6;

[0029] The top of the bottom plate 1 is fixedly connected with the bottom of a supporting assembly 7, the inner wall of the supporting assembly 7 is rotatably connected with the outer wall of a plate cylinder 8, the inner wall of the plate cylinder 8 is movably connected with the outer wall of a driving assembly 9, and the outer wall of the driving assembly 9 is slidably connected with the inner wall of the supporting assembly 7;

[0030] The inner wall of the supporting assembly 7 is rotatably connected with the outer wall of an ink roller 10, the outer wall of the supporting assembly 7 is fixedly connected with the outer wall of an ink box 11, and the top of the ink box 11 is fixedly connected with the bottom of a scraper 12;

[0031] The movable frame 5 comprises a rotating head 501, the rotating head 501 is provided with a rotating shaft rod 502, and the outer wall of the rotating shaft rod 502 is rotatably connected with the inner wall of a connecting arm 503;

[0032] The supporting assembly 7 comprises a supporting rod 701, the top of the supporting rod 701 is fixedly connected with the bottom of a lower rotating sleeve 702, the lower rotating sleeve 702 is rotatably connected with an upper rotating sleeve 703 through a shaft rod, one side of the upper rotating sleeve 703 is provided with a movable clasp 704, and the movable clasp 704 is movably connected with the lower rotating sleeve 702;

[0033] The plate cylinder 8 comprises a plate roller 801, the inner wall of the plate roller 801 is fixedly connected with the outer wall of a roller shaft 802, and the outer wall of the roller shaft 802 is rotatably connected with the inner wall of a rotating bearing 803;

[0034] The driving assembly 9 comprises a moving chassis 901, the side of the moving chassis 901 is provided with a limiting buckle 902, the top of the moving chassis 901 is fixedly connected with the bottom of a fixed ring 903, the inner wall of the fixed ring 903 is rotationally connected with the outer wall of a clamping protrusion 904, the clamping protrusion 904 is provided with a driven gear 905, the outer wall of the driven gear 905 is meshingly connected with the inner wall of a transmission track 906, the inner wall of the transmission track 906 is meshingly connected with the outer wall of a driving gear 907, and the driving gear 907 is installed at the output end of a servo motor 908.

[0035] In the embodiment, as shown in Figure 1 , the frame body 2 is symmetrically provided with an axle hole at the position corresponding to the guide roller 3, and the guide roller 3 can be lifted up.

[0036] In the embodiment, as shown in Figure 1 , the guide roller 3 is symmetrically arranged on the left and right sides of the frame body 2 with the center line of the frame body 2 as the symmetric axis.

[0037] In the embodiment, as shown in Figure 1 , the guide plate 4 is symmetrically arranged at the bottom of the guide roller 3 with the center line of the frame body 2 as the symmetric axis.

[0038] In the embodiment, as shown in Figure 1 and Figure 2 , one side of the rotating head 501 is provided with a limiting baffle, the upper end of the connecting arm 503 is provided with a reserved hole, the diameter of the reserved hole at the upper end of the connecting arm 503 is consistent with the diameter of the rotating shaft 502, the connecting arm 503 is provided with an axle hole at the position corresponding to the impression cylinder 6, and the guide roller 3 and the impression cylinder 6 rotate in the connecting arm 503.

[0039] In the embodiment, as shown in Figure 1 and Figure 3 , the supporting assembly 7 further comprises a moving platform 705, the moving platform 705 is arranged on the side of the supporting rod 701, the supporting rod 701 is symmetrically provided with an axle hole at the position corresponding to the ink roller 10, the inside of the lower rotating sleeve 702 and the upper rotating sleeve 703 is provided with an axle slot, the lower rotating sleeve 702 is provided with a clamping slot at the side close to the movable buckle 704, and the inside of the moving platform 705 is provided with a sliding slot, so that the moving chassis 901 can slide on the moving platform 705.

[0040] In the embodiment, as shown in Figure 1 , Figure 3 and Figure 4 , one end of the roller shaft 802 is provided with a clamping socket, rotating bearings 803 are symmetrically arranged at the two ends of the roller shaft 802, and the outer wall size of the rotating bearings 803 is consistent with the inner wall size of the axle slots in the lower rotating sleeve 702 and the upper rotating sleeve 703, so that the rotating bearings 803 can be closely fitted in the axle slots.

[0041] In this embodiment, as shown in Figure 1 and Figure 5 The bottom of the moving chassis 901 is provided with a sliding block, and the outer wall size of the sliding block is consistent with the inner wall size of the sliding groove inside the moving platform 705.

[0042] The use method and advantages of the present application are as follows:

[0043] As shown in Figures 1 to 5 First, rotate the connecting arm 503 in the rotating head 501 through the rotating shaft 502, lift the connecting arm 503, and then drive the printing cylinder 6 to lift up. Then lift the limiting buckle 902 on the side of the moving chassis 901, at this time the moving chassis 901 can slide on the moving platform 705 along the sliding groove direction, and the connecting arm 503 drives the printing cylinder 8 to separate. Then lift the movable buckle 704 on the side of the upper rotating sleeve 703, at this time the upper rotating sleeve 703 can be lifted and the roller shaft 802 is lifted out together with the printing roller 801, realizing the convenient disassembly and replacement of the printing cylinder 8. Then put the replaced printing roller 801 together with the roller shaft 802 and the rotating bearing 803 back, put the rotating bearing 803 into the shaft groove of the lower rotating sleeve 702, cover the upper rotating sleeve 703, and tightly engage the rotating bearing 803 with the shaft groove in the lower rotating sleeve 702, reducing the adjustment steps after replacing the printing cylinder 8, and further improving the printing efficiency and printing precision.

[0044] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A gravure printing machine with easy change of printing cylinders, comprising a base plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected with the bottom of the frame body (2), the inner wall of the frame body (2) is rotatably connected with the outer wall of the guide roller (3), the frame body (2) is provided with a guide plate (4), the lower surface of the frame body (2) is fixedly connected with the top of the movable frame (5), and the inner wall of the movable frame (5) is rotatably connected with the outer wall of the printing cylinder (6). The inner wall of the support assembly (7) is rotatably connected with the outer wall of the ink roller (10), the outer wall of the support assembly (7) is fixedly connected with the outer wall of the ink box (11), and the top of the ink box (11) is fixedly connected with the bottom of the scraper (12). The movable frame (5) comprises a rotating head (501), a rotating shaft rod (502) is arranged on the rotating head (501), and the outer wall of the rotating shaft rod (502) is rotatably connected with the inner wall of the connecting arm (503). The support assembly (7) comprises a support rod (701), the top of the support rod (701) is fixedly connected with the bottom of the lower rotating sleeve (702), the lower rotating sleeve (702) is rotatably connected with the upper rotating sleeve (703) through a shaft rod, one side of the upper rotating sleeve (703) is provided with a movable buckle (704), and the movable buckle (704) is movably clamped with the lower rotating sleeve (702). The printing cylinder (8) comprises a printing roller (801), the inner wall of the printing roller (801) is fixedly connected with the outer wall of the roller shaft (802), and the outer wall of the roller shaft (802) is rotatably connected with the inner wall of the rotating bearing (803). The driving assembly (9) comprises a moving base plate (901), the side of the moving base plate (901) is provided with a limiting buckle (902), the top of the moving base plate (901) is fixedly connected with the bottom of the fixed ring (903), the inner wall of the fixed ring (903) is rotatably connected with the outer wall of the clamping protrusion (904), the clamping protrusion (904) is provided with a driven gear (905), the outer wall of the driven gear (905) is meshedly connected with the inner wall of the transmission track (906), the inner wall of the transmission track (906) is meshedly connected with the outer wall of the driving gear (907), and the driving gear (907) is installed at the output end of the servo motor (908). The frame body (2) is symmetrically provided with an axle hole at a position corresponding to the guide roller (3).

2. A gravure printing press with easy change of printing rollers according to claim 1, characterized in that: The guide roller (3) is symmetrically arranged on the left and right sides of the frame body (2) with the center line of the frame body (2) as the symmetric axis.

3. The gravure printing press with easy replacement of printing rolls according to claim 1, characterized in that: The guide plate (4) is symmetrically arranged at the bottom of the guide roller (3) with the center line of the frame body (2) as the symmetric axis.

4. The gravure printing press with easy replacement of printing rolls according to claim 1, characterized in that: ​ 5. The gravure printing press with easy change of printing rolls according to claim 1, characterized in that: The rotation head (501) is provided with a limiting baffle on one side, the upper end of the connecting arm (503) is provided with a reserved hole, the diameter of the reserved hole of the upper end of the connecting arm (503) is consistent with the diameter of the rotation shaft (502), and the connecting arm (503) is provided with an axle hole at a position corresponding to the printing cylinder (6).

6. A gravure printing press with easy change of printing rolls according to claim 1, characterized in that: The support assembly (7) further comprises a moving platform (705), the moving platform (705) is arranged on the side of the support rod (701), the support rod (701) is provided with an axle hole at a position corresponding to the ink roller (10), the inside of the lower rotation sleeve (702) and the upper rotation sleeve (703) is provided with an axle slot, the lower rotation sleeve (702) is provided with a clamping slot on the side close to the movable buckle (704), and the inside of the moving platform (705) is provided with a sliding slot.

7. The gravure printing press of claim 1, wherein: One end of the roller shaft (802) is provided with a clamping socket, the rotation bearing (803) is symmetrically arranged at the two ends of the roller shaft (802), and the outer wall size of the rotation bearing (803) is consistent with the inner wall size of the axle slot in the lower rotation sleeve (702) and the upper rotation sleeve (703).

8. The gravure printing press of claim 1, wherein: The bottom of the moving chassis (901) is provided with a sliding block, the outer wall size of the sliding block at the bottom of the moving chassis (901) is consistent with the inner wall size of the sliding slot in the moving platform (705), and the fixed ring (903) is installed between the clamping convex block (904) and the driven gear (905).

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