CN219214460U

CN219214460U - Coupling transmission ink delivery device

Info

Publication number: CN219214460U
Application number: CN202223188172.5U
Authority: CN
Inventors: 曹成志; 张圣荣
Original assignee: Jiangyin Jiaming Printing And Packaging Machinery Co ltd
Current assignee: Jiangyin Jiaming Printing And Packaging Machinery Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-06-20
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to a coupling transmission ink delivery device, which comprises an ink delivery roller (7), wherein a gear arranged at the left end of the ink delivery roller (7) is in transmission connection with a motor (13) through a transmission mechanism (8), the transmission mechanism (8) comprises a left shaft sleeve (81) rotatably arranged on a left side wall plate (1) through a bearing, and a transmission shaft (82) is rotatably arranged inside the left shaft sleeve (81) through a bearing; the left end of the transmission shaft (82) is in transmission connection with the motor (13) through an elastic coupling (84), and a first sprocket (85) is arranged at the right end of the transmission shaft; the first chain wheel (85) is positioned in the connecting seat (83) and is in transmission connection with a transition chain wheel (86) arranged on the left rotary arm (5) through a chain; the transition chain wheel (86) drives a gear coaxial with the transition chain wheel to drive the left end gear of the ink delivery roller (7) to rotate. The utility model has the advantages of simple structure, high transmission efficiency, low cost and simple and convenient maintenance.

Description

Coupling transmission ink delivery device

Technical Field

The utility model relates to a coupling transmission ink delivery device, and belongs to the technical field of printing machines.

Background

The printing process of the intaglio printing press is a process of transferring ink onto a base layer through rotation of a plate roller, when the plate roller is used for conducting high-speed rotation printing, the plate roller can generate a foaming phenomenon when the plate roller is used for dipping the ink from an ink tank, and a printing product after printing is subjected to printing omission phenomenon, so that the ink is transferred to the plate roller through an actively rotating ink transfer roller when the rotation speed of the plate roller is high. The ink delivery roller in the ink delivery device of the intaglio printing press in the prior art is generally of a swing arm structure, and the ink delivery roller is driven by a motor to rotate by a complex transmission mechanism comprising a chain, a chain wheel, a gear and the like. The existing transmission mechanism of the ink delivery roller mainly comprises three main types of chain sprocket transmission, gear transmission and chain sprocket gear combination transmission; because chain sprocket transmission efficiency is not as high as gear transmission, but gear transmission needs more gear combinations, and the structure is complicated with high costs, need dismantle main shaft most structures when maintaining the maintenance, cause to maintain inconvenient. Therefore, there is a need in the market for an ink delivery device that combines transmission efficiency with cost, and that has a simplified structure and is more convenient to maintain.

Disclosure of Invention

The utility model aims to overcome the defects and provide the coupling transmission ink delivery device which is simple in structure, high in transmission efficiency, low in cost and simple and convenient to maintain.

The purpose of the utility model is realized in the following way:

the coupler transmission ink delivery device comprises a main shaft rotatably arranged on a right wallboard, wherein an air cylinder swing arm is fixedly arranged at the right end part of the main shaft positioned at the outer side of the right wallboard, and the free end of the air cylinder swing arm is hinged with the wallboard through an air cylinder; a left rotary arm and a right rotary arm are arranged on a main shaft positioned on the inner sides of the two side wallboards, an ink delivery roller is rotatably arranged between the left rotary arm and the right rotary arm far away from the main shaft end, and a gear arranged at the left end of the ink delivery roller is in transmission connection with a motor arranged on the left side wallboard through a transmission mechanism;

the transmission mechanism comprises a left shaft sleeve rotatably mounted on the left wallboard through a bearing, and a transmission shaft rotatably mounted in the left shaft sleeve through a bearing; the right end of the left shaft sleeve is fixedly provided with a connecting seat, the left end of the main shaft is bolted with the connecting seat, the left end of the left shaft sleeve is fixedly provided with a cylinder swing arm, and the free end of the cylinder swing arm is hinged with the wallboard through a cylinder; the left end of the transmission shaft is in transmission connection with the motor through an elastic coupling, and the right end of the transmission shaft is provided with a first sprocket; the first chain wheel is positioned in the connecting seat and is in transmission connection with a transition chain wheel arranged on the left rotary arm through a chain; the transition chain wheel drives a gear coaxial with the transition chain wheel to drive the left end gear of the ink delivery roller to rotate, so that the ink delivery roller is driven to rotate.

Further, the right rotary arm is rotatably sleeved on the main shaft, and a gap adjusting mechanism is further arranged on the main shaft close to the right rotary arm; the gap adjusting mechanism comprises an adjusting seat which is tightly attached to the right rotary arm and fixedly arranged on the main shaft, an adjusting bracket is fixedly arranged at the end part of the adjusting seat, an adjusting screw is rotatably arranged on the adjusting bracket, a position nut is sleeved on the adjusting screw, and an adjusting hand wheel is fixedly arranged at the end part of the adjusting screw.

Further, the wall boards on the two sides are also provided with fine tuning mechanisms, and the fine tuning mechanisms comprise fine tuning screws which are rotatably arranged on the wall boards, guide rod seats fixedly arranged on the wall boards, guide rods which are limited to rotate in the guide rod seats and are slidably arranged; one end of the guide rod is provided with an internal thread and is sleeved on the fine adjustment screw rod in a rotating way; and one end of the fine tuning screw is provided with a fine tuning hand wheel.

Further, two ends of the ink delivery roller are rotatably arranged between the left rotary arm and the right rotary arm through bearings, and ink blocking rings are arranged on the ink delivery roller at the inner sides of the left rotary arm and the right rotary arm.

Further, a right shaft sleeve is arranged on the right side wallboard, and the main shaft is rotatably arranged in the right shaft sleeve through a composite bearing.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model combines the elastic coupling transmission with the chain sprocket and the gear transmission, greatly simplifies the transmission structure, reduces the cost and simultaneously facilitates the maintenance on the premise of ensuring the transmission efficiency;

according to the utility model, the left end of the main shaft is rotatably arranged on the left wallboard through the connecting seat and the left shaft sleeve, and when the parts are maintained and replaced, all the parts of the transmission mechanism can be easily disassembled only by disconnecting the main shaft from the connecting seat, so that the maintenance operation is simple and convenient.

Drawings

Fig. 1 is a schematic structural view of a coupling driving ink delivery device according to the present utility model.

Fig. 2 is a schematic diagram of a transmission mechanism of a coupling transmission ink delivery device according to the present utility model.

Fig. 3 is a schematic installation view of a gap adjusting mechanism of a coupling transmission ink delivery device according to the present utility model.

Fig. 4 is a side view of a fine adjustment mechanism of a coupler drive ink delivery device of the present utility model.

Wherein:

wallboard 1, main shaft 2, cylinder swing arm 3, clearance adjustment mechanism 4, left revolving arm 5, right revolving arm 6, transfer roller 7, drive mechanism 8, fine tuning 9, cylinder 10, right axle sleeve 11, keep off black ring 12, motor 13;

the adjusting seat 41, the adjusting bracket 42, the adjusting screw 43, the position nut 44, the adjusting hand wheel 45, the left shaft sleeve 81, the transmission shaft 82, the connecting seat 83, the elastic coupling 84, the first sprocket 85, the transition sprocket 86, the fine adjusting screw 91, the guide rod seat 92, the guide rod 93 and the fine adjusting hand wheel 94.

Detailed Description

Referring to fig. 1-4, the utility model relates to a coupling transmission ink transfer device, which comprises a right shaft sleeve 11 arranged on a right wallboard 1, and a main shaft 2 rotatably arranged in the right shaft sleeve 11 through a composite bearing; the right end part of the main shaft 2 positioned at the outer side of the right side wall plate 1 is fixedly provided with an air cylinder swing arm 3, and the free end of the air cylinder swing arm 3 is hinged with the wall plate 1 through an air cylinder 10; a left rotary arm 5 and a right rotary arm 6 are arranged on the main shaft 2 positioned on the inner side of the two side wallboards 1, an ink delivery roller 7 is rotatably arranged between the ends of the left rotary arm 5 and the right rotary arm 6 far away from the main shaft 2, an ink blocking ring 12 for blocking ink from invading into a bearing is also arranged on the ink delivery roller 7 on the inner side of the left rotary arm 5 and the right rotary arm 6, and a gear arranged at the left end of the ink delivery roller 7 is in transmission connection with a motor 13 arranged on the left side wallboard 1 through a transmission mechanism 8; the cylinder 10 pushes the cylinder swing arm 3 to drive the main shaft 2 to rotate, and the left rotary arm 5 and the right rotary arm 6 drive the ink delivery 7 to deflect until the ink delivery 7 contacts with the plate roller;

the transmission mechanism 8 comprises a left shaft sleeve 81 rotatably mounted on the left wallboard 1 through a bearing, and a transmission shaft 82 rotatably mounted inside the left shaft sleeve 81 through a bearing; the right end of the left shaft sleeve 81 is fixedly provided with a connecting seat 83, the left end of the main shaft 2 is bolted with the connecting seat 83, the left end of the left shaft sleeve 81 is fixedly provided with an air cylinder swing arm 3, and the free end of the air cylinder swing arm 3 is hinged with the wallboard 1 through an air cylinder 10; the left end of the transmission shaft 82 is in transmission connection with the motor 13 through an elastic coupling 84, and a first chain wheel 85 is arranged at the right end; the first chain wheel 85 is positioned in the connecting seat 83 and is in transmission connection with a transition chain wheel 86 arranged on the left rotary arm 5 through a chain; the transition chain wheel 86 drives a gear coaxial with the transition chain wheel to drive the left end gear of the ink delivery roller 7 to rotate, so that the ink delivery roller 7 is driven to rotate; the efficiency of the coupling transmission is higher than that of the pure chain transmission, and the structure of the chain transmission is much simpler than that of the pure gear set transmission, so that the transmission mechanism 8 combining the coupling, the chain sprocket and the gear transmission is adopted, the transmission efficiency is considered, the transmission structure is greatly simplified, and the manufacturing and assembly difficulty and the cost are reduced; when in maintenance and disassembly, the transmission mechanism 8 and other main components can be easily disassembled only by loosening bolts between the left end of the main shaft 2 and the connecting seat 83, and the maintenance and replacement of the components are simple and convenient;

in order to adjust the contact distance between the ink transfer roller 7 and the plate roller, the embodiment is also provided with a fine adjustment mechanism 9 on the two side wallboards 1, wherein the fine adjustment mechanism 9 comprises a fine adjustment screw 91 rotatably arranged on the wallboard 1, a guide rod seat 92 fixedly arranged on the wallboard 1, and a guide rod 93 which is limited to rotate in the guide rod seat 92 and is slidably arranged; one end of the guide rod 93 is provided with an internal thread and is sleeved on the fine adjustment screw 91 in a rotating way; a fine adjustment hand wheel 94 is arranged at one end of the fine adjustment screw 91; after the cylinder 10 controls the ink delivery roller 7 to contact with the plate roller, the fine adjustment hand wheel 94 is rotated to drive the fine adjustment screw 91 to rotate, the guide rod 93 is pushed to translate in the guide rod seat 92, and the guide rod 93 further pushes or loosens the cylinder swing arm 3 so as to tightly or loosely contact the ink delivery roller 7 with the plate roller;

in order to ensure the parallelism of the ink transfer roller 7 and the plate roller, a right rotary arm 6 of the embodiment is rotationally sleeved on the main shaft 2, and a gap adjusting mechanism 4 is further arranged on the main shaft 2 close to the right rotary arm 6; the gap adjusting mechanism 4 comprises an adjusting seat 41 which is tightly attached to the right rotary arm 6 and fixedly arranged on the main shaft 2, an adjusting bracket 42 is fixedly arranged at the end part of the adjusting seat 41, an adjusting screw 43 is rotatably arranged on the adjusting bracket 42, a position nut 44 is rotatably arranged on the adjusting screw 43 in a sleeved mode, and an adjusting hand wheel 45 is fixedly arranged at the end part of the adjusting screw; when the contact of the two ends of the ink delivery roller 7 and the plate roller is inconsistent, firstly loosening the position nut 44, if the contact of the right end of the ink delivery roller 7 and the plate roller is too tight, rotating the adjusting hand wheel 45 anticlockwise to enable the adjusting screw 43 to withdraw from the adjusting seat 41 for a certain distance, correspondingly, enabling the right rotary arm 6 to still lean against the adjusting screw 43 and keep away from the plate roller by means of self weight along with the withdrawal of the adjusting screw 43, so as to realize the contact loosening of the ink delivery roller 7 and the plate roller; conversely, if the right end of the ink delivery roller 7 is excessively loose in contact with the plate roller, the adjusting hand wheel 45 is rotated clockwise to push the adjusting screw 43, so that the right rotary arm 6 is pushed to approach the plate roller, and the ink delivery roller 7 is more tightly contacted with the plate roller; after the adjustment, the position nut 44 is screwed to lock the position of the adjusting screw 43.

In addition: it should be noted that the above embodiment is only one of the optimization schemes of this patent, and any modification or improvement made by those skilled in the art according to the above concepts is within the scope of this patent.

Claims

1. The utility model provides a shaft coupling transmission ink delivery device, contains main shaft (2) that rotate and set up on right side wall board (1), and cylinder swing arm (3) is fixed to main shaft (2) right-hand member portion that is located right side wall board (1) outside, and the free end of cylinder swing arm (3) is articulated with wallboard (1) through cylinder (10); on main shaft (2) that are located both sides wallboard (1) inboard, install left revolving arm (5) and right revolving arm (6), rotate between main shaft (2) end is kept away from to left revolving arm (5) and right revolving arm (6) and install transfer roller (7), the gear of transfer roller (7) left end installation passes through drive mechanism (8) and is connected its characterized in that with motor (13) transmission that set up on left side wallboard (1):

the transmission mechanism (8) comprises a left shaft sleeve (81) rotatably mounted on the left side wall plate (1) through a bearing, and a transmission shaft (82) is rotatably mounted inside the left shaft sleeve (81) through a bearing; the right end of the left shaft sleeve (81) is fixedly provided with a connecting seat (83), the left end of the main shaft (2) is bolted with the connecting seat (83), the left end of the left shaft sleeve (81) is fixedly provided with an air cylinder swing arm (3), and the free end of the air cylinder swing arm (3) is hinged with the wallboard (1) through an air cylinder (10); the left end of the transmission shaft (82) is in transmission connection with the motor (13) through an elastic coupling (84), and a first sprocket (85) is arranged at the right end of the transmission shaft; the first chain wheel (85) is positioned in the connecting seat (83) and is in transmission connection with a transition chain wheel (86) arranged on the left rotary arm (5) through a chain; the transition chain wheel (86) drives a gear coaxial with the transition chain wheel to drive the left end gear of the ink delivery roller (7) to rotate, so that the ink delivery roller (7) is driven to rotate.

2. The coupler drive ink delivery device of claim 1, wherein: the right rotary arm (6) is rotatably sleeved on the main shaft (2), and a gap adjusting mechanism (4) is further arranged on the main shaft (2) close to the right rotary arm (6); the gap adjusting mechanism (4) comprises an adjusting seat (41) which is tightly attached to the right rotary arm (6) and fixedly arranged on the main shaft (2), an adjusting bracket (42) is fixedly arranged at the end part of the adjusting seat (41), an adjusting screw (43) is rotatably arranged on the adjusting bracket (42), a position nut (44) is sleeved on the adjusting screw (43), and an adjusting hand wheel (45) is fixedly arranged at the end part of the adjusting screw.

3. The coupler drive ink delivery device of claim 1, wherein: the wall boards (1) on two sides are also provided with a fine adjustment mechanism (9), wherein the fine adjustment mechanism (9) comprises a fine adjustment screw rod (91) rotatably arranged on the wall boards (1), a guide rod seat (92) fixedly arranged on the wall boards (1), and a guide rod (93) which is limited to rotate in the guide rod seat (92) and is slidably arranged; one end of the guide rod (93) is provided with an internal thread and is sleeved on the fine adjustment screw rod (91) in a rotating way; and one end of the fine tuning screw rod (91) is provided with a fine tuning hand wheel (94).

4. The coupler drive ink delivery device of claim 1, wherein: the two ends of the ink delivery roller (7) are rotatably arranged between the left rotary arm (5) and the right rotary arm (6) through bearings, and the ink blocking rings (12) are arranged on the ink delivery roller (7) at the inner sides of the left rotary arm (5) and the right rotary arm (6).

5. The coupler drive ink delivery device of claim 1, wherein: the right side wall plate (1) is provided with a right shaft sleeve (11), and the main shaft (2) is rotatably arranged in the right shaft sleeve (11) through a composite bearing.