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CN-224210749-U - Letterpress printing mechanism of trademark rotary press capable of automatically inking

CN224210749UCN 224210749 UCN224210749 UCN 224210749UCN-224210749-U

Abstract

The utility model relates to a letterpress printing mechanism of a trademark rotary printing machine capable of automatically inking, which relates to the technical field of rotary printing machine equipment, wherein an inking unit is fixedly arranged on a frame, inking rollers are rotatably arranged on the inking unit through bearings, an inking roller is arranged on the side of the inking unit, the inking rollers are rotatably arranged on the frame through bearings, two ink guide hoppers are vertically arranged and fixedly arranged on the wall of the inking unit, which faces the inking rollers, a main inking roller is movably arranged in one of the ink guide hoppers, two supporting shafts are symmetrically arranged on the frame in front and back directions, two main supporting arms are respectively rotatably arranged on two end shafts of the main inking roller through bearings, the other ends of the main supporting arms are rotatably arranged on the supporting shafts through bearings, and the main inking roller is alternately pushed to contact with the inking rollers through a driving structure with adjustable gears, so that continuous inking of the inking structure is realized, and the problem of ink supply is effectively solved.

Inventors

  • Li Lukui
  • SUN LIANG
  • LU CHUNLIN

Assignees

  • 昆山富山印刷有限公司

Dates

Publication Date
20260508
Application Date
20250821

Claims (6)

  1. 1. A letterpress printing mechanism of a trademark rotary press capable of automatically inking comprises a frame (1), an inking unit (2), inking rollers (3) and inking rollers (4), wherein the inking unit (2) is fixedly arranged on the frame (1), the inking rollers (3) are rotatably arranged on the inking unit (2) through bearings, the inking rollers (4) are arranged on the sides of the inking unit (2), the inking rollers (4) are rotatably arranged on the frame (1) through bearings, the letterpress printing mechanism is characterized by further comprising two ink guide hoppers (5), two ink guide hoppers (5) are vertically arranged and are fixedly arranged on the wall, facing to one side of the inking rollers (4), of the inking unit (2), of a main transfer roller (6), the main transfer roller (6) is movably arranged in one of the ink guide hoppers (5), support shafts (7) are symmetrically arranged on the frame (1) in front and back, two main support arms (8) are rotatably arranged on the frame (1) through bearings, one end of each of the main support arms (8) is rotatably arranged on one main support shaft (9) through a stepping shaft, the other end of each main support shaft (8) is rotatably arranged on the main support shaft (9), and the stepping motor rod (9) is matched with the main supporting arm (8).
  2. 2. The letterpress printing mechanism of the trademark rotary printing machine capable of automatically inking according to claim 1, wherein the auxiliary ink transfer roller (10) is arranged on the side of the main ink transfer roller (6), the auxiliary ink transfer roller (10) is movably arranged in the other ink guide duct (5), the auxiliary support arms (11) are arranged on the periphery of two ends of the auxiliary ink transfer roller (10) in a rotating mode through bearings, the other ends of the auxiliary support arms (11) are arranged on the support shaft (7) in a rotating mode through bearings, and the auxiliary support arms (11) are arranged on the side of the main support arms (8).
  3. 3. The letterpress printing mechanism of the automatic inking trademark rotary press according to claim 2, wherein two groups of reset elastic sheets (12) are arranged on the side wall of the support shaft (7) on the frame (1), one reset elastic sheet (12) of one group is abutted on the main support arm (8), and the other reset elastic sheet (12) of the other group is abutted on the auxiliary support arm (11).
  4. 4. The letterpress printing mechanism of the trademark rotary press capable of automatically inking according to claim 3, wherein the output shaft of the stepping electric rod (9) is fixedly provided with a mounting frame (13), the front end and the rear end of the mounting frame (13) are respectively and rotatably connected with a crankshaft (14), the front crankshaft (14) and the rear crankshaft (14) are respectively arranged at the sides of the front supporting shaft (7) and the rear supporting shaft (7), the handle end of the crankshaft (14) is fixedly provided with a transmission arm (15), and the transmission arm (15) is fixedly provided with a transmission pin (16).
  5. 5. The letterpress printing mechanism of the trademark rotary printing machine capable of automatically inking, according to claim 4, is characterized in that a spline sleeve (17) is arranged on the mounting frame (13) in a rotating mode through a bearing, a spline shaft (18) is integrally formed on the shaft end of the crankshaft (14), the spline shaft (18) is movably inserted into the spline sleeve (17), a spring (20) is sleeved on the spline shaft (18), one end of the spring (20) is fixedly arranged on the spline sleeve (17), the other end of the spring (20) is fixedly arranged on the crankshaft (14), a driving motor (19) is fixedly arranged on the mounting frame (13), and an output shaft of the driving motor (19) is in transmission connection with the spline sleeve (17) through a spur gear set.
  6. 6. The letterpress printing mechanism of the automatic inking trademark rotary printing machine according to claim 5, wherein the positioning pins (21) are fixedly arranged on the handle end of the crankshaft (14), the positioning holes (22) are symmetrically formed in the two sides of the spline housing (17) on the mounting frame (13), and the positioning pins (21) are matched with one of the positioning holes (22) in a group.

Description

Letterpress printing mechanism of trademark rotary press capable of automatically inking Technical Field The utility model relates to the technical field of rotary printing machine equipment, in particular to a letterpress printing mechanism of a trademark rotary printing machine, which can automatically ink. Background The rotary printing machine is characterized in that the rotary printing machine is used for printing a large quantity of packages and propaganda albums through the characteristics of high efficiency, rapidness and high precision, the rotary printing machine is used for printing products with low profit rate and large quantity of printing product industries due to the mature structure subjected to time inspection, one of core components of the rotary printing machine is an ink supply unit, the ink in the ink fountain is uniformly transferred to the relief roller contacted with the printing carrier through the matching of the plurality of groups of rollers, the ink distributing rollers and the ink distributing rollers, but only a single group of ink transfer rollers are usually arranged in the unit structure, the ink is transferred between the ink fountain and the ink distributing rollers, and the ink is easily broken due to the contact of the intermittent ink transfer rollers and the ink supply rollers, so that the problem of ink interruption occurs easily when the running time of equipment is not accurately regulated, and the structure of the part is improved and optimized. Disclosure of utility model The utility model aims at overcoming the defects and shortcomings of the prior art, and provides a letterpress printing mechanism of a trademark rotary press capable of automatically inking, which is characterized in that a double ink transfer roller structure is arranged, and two groups of ink transfer rollers are alternately pushed by a driving structure with adjustable gears to realize contact with an ink supply roller, so that continuous ink supply of an inking structure is realized, and the problem of ink breaking is effectively solved. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The ink supply device comprises a frame, an ink applying unit, ink applying rollers, an ink supply roller, two ink guide hoppers, a main ink transfer roller, a support shaft and main support arms, wherein the ink applying unit is fixedly arranged on the frame, the ink applying rollers are rotatably arranged on the ink applying unit through bearings, the ink supply roller is arranged on the side of the ink applying unit through bearings, the ink guide hoppers are arranged on the wall of the ink applying unit, which faces the ink supply roller, the ink guide hoppers are vertically arranged and fixedly arranged on one side of the ink applying unit, the main ink transfer roller is movably arranged in one of the ink guide hoppers, the support shaft is arranged on the frame in a front-back symmetrical mode, the two main support arms are respectively rotatably arranged on two end shafts of the main ink transfer roller through bearings, the other ends of the main support arms are rotatably arranged on the support shaft through bearings, and the step electric rod is fixedly arranged on the frame and is matched with the main support arms. Preferably, the side of the main ink transfer roller is provided with an auxiliary ink transfer roller, the auxiliary ink transfer roller is movably arranged in the other ink guide duct, the two end circumferences of the auxiliary ink transfer roller are provided with auxiliary supporting arms in a rotating mode through bearings, the other ends of the auxiliary supporting arms are arranged on the supporting shafts in a rotating mode through bearings, and the auxiliary supporting arms are arranged on the side of the main supporting arms. Preferably, two reset elastic sheets are arranged on the wall, which is positioned at the side of the supporting shaft, of the frame, wherein one reset elastic sheet of one set is propped against the main supporting arm, and the other reset elastic sheet of the other set is propped against the auxiliary supporting arm. Preferably, the output shaft of step electric pole on fixedly be provided with the mounting bracket, all connect soon on the front and back both ends of mounting bracket and be provided with the bent axle, and two front and back bent axles set up respectively in the side of two back-up shafts, fixedly on the handle end of bent axle be provided with the transmission arm, fixedly on the transmission arm be provided with the driving pin. Preferably, the mounting frame on be equipped with the spline housing soon through the bearing, integrated into one piece is provided with the integral type on the axle head of bent axle and is provided with the integral type, the integral type activity is inserted and is established in the spline housing, the cover is equipped with the spring on the i