Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects in the prior art, and the invention aims to provide the inking device applied to the printing machine, which can stir the ink stored in the ink storage tank, can stir the ink at different depths in the ink storage tank, improves the stirring effect of the ink, and can quickly adjust the inking amount of a printing stock by using the arranged ink scraping component.
The invention is realized by the following technical scheme:
an inking device applied to a printing machine comprises an impression cylinder and a printing plate cylinder, wherein the impression cylinder is positioned above the printing plate cylinder, the inking device also comprises an air pump, a motor and an ink storage tank, the ink storage tank comprises a lower tank body with a circular structure and an upper tank body with a rectangular structure, the upper tank body is positioned above the lower tank body, a stirring assembly is arranged on the inner bottom of the lower tank body, the stirring assembly comprises a stirring shaft, a first telescopic pipe, a plurality of second telescopic pipes, a movable block and a plurality of stirring plates, the stirring shaft is rotationally connected with the inner bottom of the lower tank body, the motor can drive the stirring shaft to rotate in the lower tank body, the first telescopic pipe is sleeved on the stirring shaft, one end of the first telescopic pipe is hermetically connected with the lower tank body, the movable block is provided with a connecting hole, slide blocks are arranged on two sides of the inner wall, the other end of the first telescopic pipe is hermetically connected with the movable block, the second telescopic pipes are uniformly distributed on the outer side of the movable block, one end of each second telescopic pipe is hermetically connected with the movable block, and the other end of each second telescopic pipe is hermetically connected with the stirring plate; the scraping assembly is arranged on one side of the upper tank body and comprises a fixed plate, a first scraping plate and a plurality of second scraping plates, the fixed plate horizontally penetrates into the upper tank body, the end face of the fixed plate is flush with the inner wall of the upper tank body, the end face of the fixed plate in the direction of the upper tank body is also provided with first square holes matched with the first scraping plates, the first scraping plates are positioned in the first square holes, the first scraping plates are also provided with second square holes with the same number as the second scraping plates, and the second scraping plates are positioned in the second square holes; the output of air pump is equipped with first trachea, a plurality of second trachea, third trachea and fourth trachea, third trachea fourth trachea all inserts to the (mixing) shaft in, third trachea and first flexible pipe intercommunication, fourth trachea and the flexible pipe intercommunication of second, first trachea and the first hole intercommunication of placing, the second trachea and each second place the hole intercommunication.
Aiming at the problems that when the prior printing machine is used for inking a printing stock, the ink roller on the ink tank rotates in the ink tank to supply and transmit the ink, however, due to gravity, the ink in the ink pool has different degrees of uniformity, and the lower ink is usually thicker than the upper ink, therefore, the whole distribution of the printing ink in the ink pool is not very uniform, and the printing quality is influenced, so the stirring component is arranged in the lower pool body in the technical scheme, when the ink stored in the lower tank body needs to be stirred, the motor is used for driving the stirring shaft to rotate around the axis of the motor in the lower tank body, the stirring shaft can drive the movable block positioned on the stirring shaft to rotate along with the movable block under the action of the upper sliding block of the movable block in the rotating process, thereby driving each second telescopic pipe on the movable block to rotate together, and stirring the printing ink in the lower tank body by utilizing the arranged second telescopic pipes; meanwhile, the stirring component in the technical scheme is also provided with a first telescopic pipe which adopts a corrugated pipe and has telescopic characteristic, when in use, high-pressure gas is introduced into a third air pipe by using an air pump, the high-pressure gas enters the first telescopic pipe through the third gas, and because both ends of the first telescopic pipe are sealed structures, the first telescopic pipe is stretched, the movable block is pushed to move upwards on the stirring shaft, so that each second telescopic pipe integrally moves upwards, the second telescopic pipe is moved to the middle layer or the upper layer of the printing ink, and the printing ink at the middle layer and the upper layer in the lower tank body is stirred, the printing ink at the lower layer in the lower tank body can be stirred by the technical scheme, meanwhile, the height of the movable block is adjusted by using the first telescopic pipe, the full stirring of the printing ink at different positions in the lower tank body is realized, namely, the thick printing ink at the lower layer of the lower tank body is stirred preferentially, make lower floor's printing ink misce bene, the whole towards printing ink middle level direction removal of second bellows that recycles first bellows and drive second stirring state, at the in-process that removes, printing ink after will being located the lower floor and mixing drives to middle level portion, make medial printing ink continue to mix with printing ink after the lower floor mixes, later the movable block continues to drive the second bellows and moves to the upper strata of printing ink, printing ink after mixing with the middle level is brought into the upper strata, fully stir the printing ink on upper strata, thus, utilize the second bellows that is moving, not only can fully carry out the intensive mixing to the printing ink of the different degree of depth in the cell body down, and simultaneously, first bellows drives the in-process that the movable block removed, the second bellows that is in the rotation state can promote the printing ink of lower floor up, improve the stirring dynamics between each layer printing ink.
Because the printing ink has certain viscosity, a part of the printing ink is easy to be adsorbed on the inner wall and the inner bottom of the lower tank body, the printing ink in the lower tank body is stirred and mixed, and the printing ink attached to the inner wall and the inner bottom of the lower tank body is not easy to be mixed with other printing ink, therefore, a stirring plate is arranged on each second corrugated pipe, on one hand, the arranged stirring plate can increase the contact area with the printing ink, so that the stirring force on the printing ink is improved, on the other hand, high-pressure gas is introduced into a fourth air pipe by using a gas pump, the high-pressure gas enters the second telescopic pipe through the fourth air pipe, the second telescopic pipe is forced to stretch along the horizontal direction, the length of the second telescopic pipe is changed, in the process that the second telescopic pipe moves towards the inner wall direction of the lower tank body, because the bottom of the stirring plate arranged in the initial state is contacted with the inner bottom of the lower tank, can force the stirring board to scrape the printing ink of attaching to on the bottom in the cell body down, reach the not hard up effect of printing ink in the bottom in the cell body down to the printing ink of this department can effectively be with other printing ink intensive mixing, specific working process is: when the stirring shaft is driven by the motor to rotate in the lower tank body, high-pressure gas is input into the fourth air pipe by the air pump, enters the second corrugated pipe and is forced to move along the inner wall direction of the lower tank body, and the second telescopic pipe rotates around the stirring shaft all the time, so that the arranged stirring plate can scrape off ink attached to the inner bottom one by one along the radial direction of the lower tank body in the process that the second telescopic pipe moves towards the inner wall of the lower tank body, and the ink can be sufficiently mixed with other ink; treat the second bellows and remove when the maximum displacement volume, when the side of the stirring board that sets up promptly contacts with the inner wall of cell body down, the stirring board is along with the flexible pipe pivoted in-process of second, strike off the printing ink that attaches to cell body inner wall down, thereby realized the clearance to the printing ink that attaches to cell body inner wall down, simultaneously, when utilizing the air pump to let in gas in to first flexible pipe, force the flexible pipe of second to move up, the stirring board can be in proper order to cell body inner wall down by supreme clearance in proper order.
Meanwhile, when ink on a printing plate cylinder is scraped by the ink scraping device in the prior art, the ink amount of different positions on the same printing plate cylinder cannot be adjusted, so that the ink scraping assembly is further arranged on the upper pool body, when the ink amount on the printing plate cylinder needs to be adjusted, high-pressure gas is introduced into the second air pipe by using the air pump, the high-pressure gas in the second air pipe enters the first square hole of the fixing plate, the first hanging plate is pushed to move towards the printing plate cylinder under the action of air pressure, the distance between the first scraping plate and the printing plate cylinder is adjusted, and the ink amount of a printing stock is controlled; when different amounts of ink are required to be applied to the printing stock in the same horizontal direction, the first scraper blade is internally provided with a plurality of second scraper blades which are distributed in the first scraper blade in the horizontal direction, and high-pressure gas with different volumes is introduced into different first air pipes by using an air pump, so that the extension length of each second scraper blade from the first scraper blade is controlled, the distance between each second scraper blade and the printing plate cylinder is adjusted, and the ink amount of the printing plate cylinder in different positions in the same horizontal direction is adjusted; the technical proposal sets the scraper blade into a structure which can be telescopic along the horizontal direction, on one hand, the distance between the scraper blade and the plate cylinder is convenient to adjust, and the purpose of controlling the inking amount is achieved, on the other hand, the telescopic structure is adopted to be convenient to clean the ink attached on the surface of the scraper blade, when the ink is used up, if the second scraper is used for adjusting the inking amount, during the process of retracting the second scraper to the first scraper, the end face of the first scraper can act on the ink attached to the surface of the second scraper, and the ink on the surface of the second scraper is scraped into the lower tank body, because the end face of the fixed plate is flush with the inner wall of the upper tank body, when the first scraper blade is retracted into the fixed plate, the inner wall of the upper pool body can be used for continuously cleaning the ink attached to the surface of the first scraper blade, so that the ink on the surface of the scraper blade can be quickly cleaned.
Further, the output end of the motor extends into the lower tank body, the output shaft of the motor is provided with a first transmission gear, and the stirring shaft is further provided with a second transmission gear meshed with the first transmission gear.
The first transmission tooth that sets up is used for driving the second transmission tooth and then rotates to guarantee that the motor during operation can drive the (mixing) shaft at cell body internal rotation down.
Further, the top of (mixing) shaft still is equipped with the limiting plate, still be equipped with the second elastic component on the (mixing) shaft, the second elastic component overlaps on the (mixing) shaft to the second elastic component is located between limiting plate and the movable block.
Because printing ink is thick form, when will letting in to the intraductal gas of first expansion and contraction when discharging out, can resume to initial condition in order to guarantee the bellows and stimulate the movable block downwards, so set up the second elastic component, the elasticity that utilizes the second elastic component to produce can promote the movable block and remove down fast to can accelerate the intraductal gas of first expansion and contraction to discharge fast.
Further, still be equipped with a plurality of first elastic component between movable block and the stirring board, first elastic component one end is connected with the stirring board, and the other end is connected with the movable block.
In a similar way, the effect of the first elastic piece can ensure that the second telescopic pipe can be quickly restored to the initial state when the gas in the second telescopic pipe is exhausted.
Further, still be equipped with the bracing piece that quantity and the flexible pipe quantity of second are the same on the lateral wall of movable block, bracing piece one end is connected with the movable block, and the other end runs through flexible pipe, the stirring board of second in proper order, the bracing piece is kept away from and still is equipped with the connection ball on the end of movable block, the stirring board still is equipped with the standing groove that matches with the connection ball towards on the lateral wall of connecting the ball direction.
The second telescopic pipe is a corrugated pipe and is relatively soft, so that the second telescopic pipe can move in the horizontal direction when moving in viscous ink, namely the second telescopic pipe can move along a straight line, a support rod is arranged in the second telescopic pipe, and the second telescopic pipe in the support rod is used for supporting and ensuring that the second telescopic pipe moves along the support rod; the connecting ball that sets up is used for reducing the area of contact between bracing piece terminal surface and the lower cell body inner wall, guarantees that the flexible pipe of second is at the pivoted in-process, can reduce the frictional resistance between cell body inner wall and the bracing piece down, when moving towards lower cell body inner wall direction in order to guarantee the stirring board simultaneously, the stirring board can be effectively in the same place with the inner wall laminating of lower cell body, so still set up the standing groove on the lateral wall of stirring board, guarantee that the connecting ball can be located the standing groove.
Furthermore, a storage cavity is further arranged in the movable block, and the storage cavity is respectively communicated with the fourth air pipe and each second telescopic pipe.
The storage chamber that sets up is used for guaranteeing that the high-pressure gas in the fourth gas can enter into respectively to each second expansion pipe through storing the chamber in for only need a fourth trachea alright ventilate with to the expansion pipe of a plurality of second, practice thrift the cost.
Furthermore, a third square hole is formed in the tail end, facing the upper tank body direction, of the first scraper, a plurality of partition plates are arranged in the third square hole, a second square hole is formed by two adjacent partition plates, and the length of each partition plate is smaller than that of the third square hole; the second scraper blade comprises a first connecting plate and a second connecting plate, the width of the first connecting plate is smaller than that of the second connecting plate, one side of the first connecting plate is flush with one side of the second connecting plate, and the first connecting plate is located in the second square hole.
When different printing inks in the same horizontal direction of the plate cylinder need to be adjusted, the second scraping plates positioned in the first scraping plates sequentially extend out, when the printing inks in the same horizontal direction of the plate cylinder need to be kept, the second scraping plates are positioned in the first scraping plates, but in order to avoid gaps between every two adjacent second scraping plates and keep the ink quantity on the plate cylinder uniform, the second scraping plates adopt a structure consisting of a first connecting plate and a second connecting plate, wherein the first connecting plate is positioned in a second square hole and used for sealing the second square hole, high-pressure gas entering the second square hole through a first gas pipe can smoothly push the first connecting plate to move, the arranged second connecting plate is positioned in a third square hole, and the second connecting plates of every two adjacent second scraping plates are mutually attached together without gaps, so when the end faces of every second scraping plate are kept level, and a gap is not reserved between every two adjacent second connecting plates, so that the ink quantity of the plate cylinder in the same horizontal direction can be kept consistent.
Furthermore, a plurality of third elastic pieces are arranged in the first square hole of the fixing plate, and the third elastic pieces are positioned between the first scraper blade and the inner bottom of the first square hole; and a fourth elastic part is arranged in each second square hole and is positioned between the inner bottom of each second square hole and the first connecting plate.
When the gas that will let in first square hole and the second square hole is discharged, in order to guarantee that first scraper blade and second scraper blade can retract back, third elastic component and fourth elastic component that the event set up.
Furthermore, switches are arranged on the first air pipe, the second air pipes, the third air pipe and the fourth air pipe.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the invention, the arranged air pump is used for conveying high-pressure air into the first telescopic pipe, the high-pressure air enters the first telescopic pipe to force the first telescopic pipe to stretch in the vertical direction and push the movable block to move on the stirring shaft, so that the positions of the second telescopic pipes in the lower tank body are adjusted, on one hand, the stirring of ink at different depths can be met, the mixing effect of the ink is improved, on the other hand, the second telescopic pipes in a rotating state can drive the thick ink at the lower layer upwards to be fully mixed with the thick ink at the upper layer, and the mixing force of the ink is further improved;
2. when the stirring assembly stirs the printing ink in the lower tank body, high-pressure gas is introduced into the second telescopic pipe by the air pump, the second telescopic pipe is forced to stretch along the horizontal direction, and then the stirring plate is driven to move towards the inner wall of the lower tank body on the inner bottom of the lower tank body, the printing ink attached to the inner bottom of the lower tank body is scraped, meanwhile, when the stirring plate moves to be attached to the inner wall of the lower tank body, the first telescopic pipe is utilized to drive the movable block to move upwards, the stirring plate is forced to move upwards attached to the inner wall of the lower tank body, and the printing ink attached to the inner wall of the lower tank body is scraped, so that the mixing effect of the printing ink is further improved;
3. the high-pressure air is introduced into the first square hole of the fixing plate by the air pump, the first scraping plate positioned in the first square hole is forced to move towards the direction of the printing plate cylinder, the distance between the first scraping plate and the printing plate cylinder is adjusted, so that the ink feeding amount of the printing plate cylinder is controlled, meanwhile, when different inks in the same horizontal direction of the printing plate cylinder need to be adjusted, the air pump is used for conveying the high-pressure air into the second air pipe, the high-pressure air enters the second square hole of the first scraping plate, and the second scraping plates in the first scraping plate are pushed to extend out by different lengths, so that different distances between the second scraping plates and the printing plate cylinder are adjusted, and different ink feeding amounts on the printing plate cylinder are met.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a stirring assembly of the present invention;
FIG. 3 is an enlarged schematic view of part A of the present invention;
FIG. 4 is a schematic cross-sectional view of a movable block of the present invention;
FIG. 5 is a schematic view of the structure of the stirring shaft of the present invention;
FIG. 6 is a schematic view of a connecting structure of the ink scraping assembly and the upper tank body;
FIG. 7 is a schematic view of the construction of the ink scraping assembly of the present invention;
FIG. 8 is a schematic view of the first squeegee blade of the invention;
FIG. 9 is a schematic view of the second squeegee according to the invention.
Reference numbers and corresponding part names in the drawings:
1-an air pump, 2-a first air pipe, 3-a lower tank body, 4-a stirring assembly, 5-a second air pipe, 6-a scraping assembly, 7-an impression cylinder, 8-a printing plate cylinder, 9-a printing stock, 10-an upper tank body, 11-a third air pipe, 12-a fourth air pipe, 13-a first telescopic pipe, 14-a stirring shaft, 15-a first elastic member, 16-a stirring plate, 17-a connecting ball, 18-a second telescopic pipe, 19-a placing groove, 20-a supporting rod, 21-a movable block, 22-a storage cavity, 23-a second elastic member, 24-a limiting plate, 25-a connecting hole, 26-a sliding block, 27-a sliding groove, 28-a first driving tooth, 29-an output shaft, 30-a motor and 31-a second driving tooth, 32-fixing plate, 33-second scraper, 34-first scraper, 35-first connecting plate, 36-switch, 37-third elastic element, 38-fourth elastic element, 39-second square hole, 40-second connecting plate, 41-third square hole and 42-partition plate.