阅读说明：本技术 一种自动吸附送纸装置及印刷系统 (Automatic adsorb adsorption paper feeding device and printing system ) 是由 田野 汤文健 于 2020-12-30 设计创作，主要内容包括：本发明公开了一种自动吸附送纸装置及印刷系统,包括吸附辊,其可转动的设置在竖直支架上,所述吸附辊四周等距环绕设置有多组吸附罐,所述吸附软管一端与中央真空吸管连通,另一端连通吸附孔；驱动环,其固定设置在吸附辊内部,且与吸附辊同心设置；吸附气道,其内置于吸附罐上,并形成进气口和出气口,所述吸附气道进气口与吸附孔出气口间歇对应；以及吸嘴,其由柔性材质构成,且固定设置在吸附罐下部。本发明通过设置具有转动功能的吸附辊,且在吸附辊四周等距设置吸嘴,交替递进式作业,实现了送纸工作的无缝衔接,在较大范围内实现了生产效率的大幅度提高和生产成本的大幅度降低,同时也有效地提高了产品的合格率。(The invention discloses an automatic adsorption paper feeding device and a printing system, which comprise an adsorption roller, wherein the adsorption roller is rotatably arranged on a vertical support, a plurality of groups of adsorption tanks are arranged around the adsorption roller at equal intervals, one end of an adsorption hose is communicated with a central vacuum suction pipe, and the other end of the adsorption hose is communicated with an adsorption hole; a driving ring fixedly arranged inside the adsorption roller and concentrically arranged with the adsorption roller; the adsorption air passage is arranged on the adsorption tank and forms an air inlet and an air outlet, and the air inlet of the adsorption air passage intermittently corresponds to the air outlet of the adsorption hole; and a suction nozzle which is made of flexible material and is fixedly arranged at the lower part of the adsorption tank. According to the invention, through arranging the adsorption roller with the rotation function and arranging the suction nozzles at equal intervals around the adsorption roller, the seamless connection of paper feeding work is realized, the production efficiency is greatly improved and the production cost is greatly reduced in a larger range, and meanwhile, the qualification rate of products is effectively improved.)

1. The utility model provides an automatic adsorb adsorption paper feeding device which characterized in that: comprises that

The paper feeding device comprises a support (2), a supporting plate (5) used for bearing a paper plate (30) is movably sleeved on the support (2), a lead screw (3) used for driving the supporting plate (5) to move intermittently is further arranged on the support (2), one end of the lead screw (3) is connected with a lifting motor (4) used for driving the lead screw to rotate, and the other end of the lead screw is in threaded connection with the supporting plate (5);

the adsorption device comprises an adsorption roller (10) which is rotatably arranged on a vertical support (7), wherein the vertical support (7) is in adjustable connection with a horizontal support (6), a plurality of groups of adsorption tanks (11) are equidistantly arranged around the adsorption roller (10), an adsorption block (12) is movably arranged in each adsorption tank (11), an adsorption hole (13) is formed in each adsorption block (12), the upper end of each adsorption tank (11) is fixedly connected with a connecting rod (14), the other end of each connecting rod (14) is movably connected with a central vacuum suction pipe (17), a first spring (15) is arranged between each adsorption tank (11) and each adsorption block (12), and each first spring (15) is sleeved on each connecting rod (14);

the adsorption hose (16) is arranged in the connecting rod (14), one end of the adsorption hose (16) is communicated with the central vacuum suction pipe (17), and the other end of the adsorption hose is communicated with the adsorption hole (13);

the driving ring (18) is fixedly arranged inside the adsorption roller (10) and is arranged concentrically with the adsorption roller (10), a driving bulge (19) for driving the adsorption block (12) and the connecting rod (14) to move is arranged on the driving ring (18), and the inner wall of the driving ring (18) is abutted to a driving wheel (20) arranged on the connecting rod (14);

the adsorption air channel (21) is arranged on the adsorption tank (11) and forms an air inlet and an air outlet, and the air inlet of the adsorption air channel (21) intermittently corresponds to the air outlet of the adsorption hole (13); and

and the suction nozzle (22) is made of flexible materials and is fixedly arranged at the lower part of the adsorption tank (11), and a second spring (23) is arranged in the suction nozzle (22).

2. The automatic adsorption paper feeding device of claim 1, wherein: the horizontal support (6) is movably provided with an adjusting pin (8), and the vertical support (7) is provided with a plurality of groups of adjusting holes (9) which are different in height and are matched with the adjusting pin (8).

3. The automatic adsorption paper feeding device of claim 1, wherein: the adsorption tank is characterized in that a balance air pipe (24) is arranged on the inner wall of the adsorption tank (11), and a sealing ball (25) is movably arranged in the balance air pipe (24).

4. The automatic adsorption paper feeding device of claim 1, wherein: a conveying roller (26) for conveying the paper boards (30) is arranged on the left side of the adsorption roller (10).

5. The automatic adsorption paper feeding device of claim 1, wherein: and silent damping cotton is arranged on the driving ring (18) and the driving wheel (20).

6. A printing system, characterized by: an automatic adsorption paper feeding device comprising any one of claims 1 to 5.

Technical Field

The invention relates to the technical field of corrugated paper printing equipment, in particular to an automatic adsorption paper feeding device and a printing system.

Background

In the offset printing corrugated packaging industry, when the problem that the fully-automatic die cutting machine cannot smoothly feed and feed paper due to bending of corrugated boards occurs, the semi-automatic die cutting machine is generally adopted to die cut the bent and bent corrugated boards, because the semi-automatic die cutting machine feeds paper manually and is not limited by the bent and bent paper boards, the semi-automatic die cutting machine is a device which is commonly used in the offset printing corrugated packaging industry. However, because the semiautomatic die cutting machine needs manual paper feeding, 1-2 paper feeding manipulators must be equipped for each shift to complete the production task of the shift, because the saturated working frequency of the semiautomatic die cutting machine is high and can reach more than 3500 sheets/hour, and when the semiautomatic die cutting machine normally works, if the paper feeding frequency reaches 2500 sheets/hour, the paper feeding manipulators are busy, people usually feel tired when coming under one sheet of paper, so the production efficiency of the die cutting machine can only reach below 70% due to the limitation of the manual paper feeding frequency; meanwhile, in the manual paper feeding process, due to inconsistent paper feeding force, the in-place forward pressing of the paper board cannot be balanced all the time, the damage of the front gauge paper of the paper board is easily caused, the quality accident is caused, the qualification rate of products with higher die cutting precision requirement is lower, and the production cost of the semi-automatic die cutting machine is greatly increased due to the reasons.

Disclosure of Invention

The invention aims to provide an automatic adsorption paper feeding device and a printing system, which are used for solving the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

an automatic adsorption paper feeding device comprises

The support is fixedly arranged on the base, a support plate used for bearing a paperboard is movably sleeved on the support, a screw rod used for driving the support plate to move intermittently is further arranged on the support, one end of the screw rod is connected with a lifting motor used for driving the screw rod to rotate, and the other end of the screw rod is in threaded connection with the support plate;

the adsorption device comprises an adsorption roller, a horizontal support, a vertical support, a connecting rod, a first spring and a second spring, wherein the adsorption roller is rotatably arranged on the vertical support, the vertical support is adjustably connected with the horizontal support, a plurality of groups of adsorption tanks are arranged around the adsorption roller at equal intervals, adsorption blocks are movably arranged in the adsorption tanks, adsorption holes are formed in the adsorption blocks, the upper ends of the adsorption tanks are fixedly connected with the connecting rod, the other ends of the connecting rod are movably connected with a central vacuum suction pipe, and the first spring is sleeved on the connecting rod;

the adsorption hose is arranged in the connecting rod, one end of the adsorption hose is communicated with the central vacuum suction pipe, and the other end of the adsorption hose is communicated with the adsorption hole;

the driving ring is fixedly arranged in the adsorption roller and is concentric with the adsorption roller, a driving bulge for driving the adsorption block and the connecting rod to move is arranged on the driving ring, and the inner wall of the driving ring is abutted to a driving wheel arranged on the connecting rod;

the adsorption air passage is arranged on the adsorption tank and forms an air inlet and an air outlet, and the air inlet of the adsorption air passage intermittently corresponds to the air outlet of the adsorption hole; and

the suction nozzle is made of flexible materials and is fixedly arranged at the lower part of the adsorption tank, and a second spring is arranged in the suction nozzle.

Preferably, the horizontal support is movably provided with an adjusting pin, and the vertical support is provided with a plurality of groups of adjusting holes which are different in height and are matched with the adjusting pin.

Preferably, the inner wall of the adsorption tank is provided with a balance air pipe, and a sealing ball is movably arranged in the balance air pipe.

Preferably, a conveying roller for conveying the paper boards is arranged on the left side of the adsorption roller.

Preferably, the driving ring and the driving wheel are provided with mute shock absorption cotton.

A printing system comprises the automatic adsorption paper feeding device.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the adsorption roller with the rotation function is arranged, the suction nozzles are equidistantly arranged around the adsorption roller, when the suction nozzles rotate to be aligned with the lower paperboard, the suction blocks are driven to move upwards under the action of the driving protrusions and the driving wheels, the suction holes are just corresponding to the suction air passages, so that the suction nozzles generate negative pressure, the lower paperboard is upwards adsorbed, when the driving wheels are far away from the driving protrusions, the suction holes are staggered with the suction air passages, the negative pressure in the suction nozzles disappears, the lower paperboard is transmitted into the conveying rollers, and the reciprocating and progressive operation is performed alternately, so that the seamless connection of paper feeding work is realized, the production efficiency is greatly improved and the production cost is greatly reduced in a larger range, and the product qualification rate is effectively improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the adsorption roller of the present invention;

FIG. 3 is an enlarged view of the structure of area A in FIG. 2;

fig. 4 is an enlarged schematic view of the structure of region B in fig. 3.

In the figure: the automatic suction device comprises a base 1, a support 2, a screw rod 3, a lifting motor 4, a support plate 5, a horizontal support 6, a vertical support 7, an adjusting pin 8, an adjusting hole 9, an absorbing roller 10, an absorbing tank 11, an absorbing block 12, an absorbing hole 13, a connecting rod 14, a first spring 15, an absorbing hose 16, a central vacuum suction pipe 17, a driving ring 18, a driving bulge 19, a driving wheel 20, an absorbing air passage 21, a suction nozzle 22, a second spring 23, a balance air pipe 24, a sealing ball 25, a conveying roller 26 and a paper board 30.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

an automatic adsorption paper feeding device comprises

The device comprises a base 1, a support 2, a support plate 5, a lead screw 3, a lifting motor 4 and a screw rod, wherein the support 2 is vertically and fixedly arranged on the base 1, the support plate 5 used for bearing a paper board 30 is movably sleeved on the support 2, the paper board 30 to be conveyed is neatly stacked on the support plate 5, the lead screw 3 used for driving the support plate 5 to intermittently move upwards is also movably arranged on the support 2, one end of the lead screw 3 is connected with the lifting motor 4 used for driving the lead screw to rotate, the lifting motor 4 is fixedly arranged at the upper end of; the lead screw 3 is driven to rotate through the stepping rotation of the lifting motor 4, and the support plate 5 is finally driven to move upwards in an intermittent manner, so that the device has the advantages that the distance of the upward movement of the support plate 5 is fixed and adjustable every time, the distance between the uppermost paperboard 30 and the suction nozzle 22 at the upper part is ensured to be fixed, the adsorption quality and efficiency are ensured, the phenomenon that the paperboards 30 are sucked or slide down in a leakage way is avoided, meanwhile, for the paperboards 30 with different thicknesses, the rotating angle of the lifting motor 4 can be adjusted, the height of the paperboard 30 which rises every time is further adjusted, the device can adapt to the paperboards 30 with different thicknesses, and the adaptability of the device is improved;

the adsorption roller 10 is rotatably arranged on the vertical support 7, the adsorption roller 10 is of a hollow cylindrical structure, the other end of the adsorption roller 10 is connected with a power device, and the power device drives the adsorption roller 10 to rotate continuously; the vertical support 7 is connected with the horizontal support 6 in an adjustable mode, the horizontal support 6 is movably provided with an adjusting pin 8, a plurality of groups of adjusting holes 9 which are different in height and matched with the adjusting pin 8 are formed in the vertical support 7, the adjusting holes 9 and the adjusting pin 8 which are different in height are locked with each other by adjusting the adjusting pin 8, and therefore the height of the whole adsorption roller 10 is adjusted;

a plurality of groups of adsorption tanks 11 are arranged around the adsorption roller 10 at equal intervals, in the technical scheme of the embodiment, the adsorption tanks 11 are arranged into three groups, and the specific number of the adsorption tanks can be set according to the actual production efficiency; an adsorption block 12 is movably arranged in the adsorption tank 11, an adsorption hole 13 is formed in the adsorption block 12, the upper end of the adsorption tank 11 is fixedly connected with a connecting rod 14, the other end of the connecting rod 14 is movably connected with a central vacuum suction pipe 17, one end of the central vacuum suction pipe 17 is connected with a negative pressure device through a rotary joint, the connecting rod 14, the central vacuum suction pipe 17 and the adsorption roller 10 keep synchronous rotation, a first spring 15 is arranged between the adsorption tank 11 and the adsorption block 12, and the first spring 15 is sleeved on the connecting rod 14;

an adsorption hose 16 arranged in the connecting rod 14, wherein one end of the adsorption hose 16 is communicated with the central vacuum suction pipe 17, the other end of the adsorption hose 16 is communicated with the adsorption hole 13, and negative pressure generated by a negative pressure device intermittently generates negative pressure in the inner cavity of the adsorption tank 11 through the adsorption hose 16, so that the suction nozzle 22 at the lower part has intermittent adsorption;

the driving ring 18 is fixedly arranged inside the adsorption roller 10 and is arranged concentrically with the adsorption roller 10, the driving ring 18 is arranged statically and does not rotate synchronously with the adsorption roller 10, a driving bulge 19 for driving the adsorption block 12 and the connecting rod 14 to move upwards is arranged at the position of the driving ring 18 corresponding to the lower paperboard 30, the inner wall of the driving ring 18 is abutted against a driving wheel 20 arranged on the connecting rod 14, and the driving ring 18 and the driving wheel 20 are provided with mute shock-absorbing cotton which can reduce the noise of the driving wheel 20 in the process of contacting with the driving ring 18 and can reduce the abrasion of the driving wheel 20 and the driving ring 18;

the adsorption air channel 21 is arranged on the inner wall of the adsorption tank 11 and forms an air inlet and an air outlet, and the air inlet of the adsorption air channel 21 intermittently corresponds to the air outlet of the adsorption hole 13;

a suction nozzle 22 made of a flexible material and fixedly provided at a lower portion of the canister 11; with the continuous rotation of the adsorption roller 10, the connecting rod 14 keeps rotating synchronously with the adsorption roller, in the rotation process, under the action of the first spring 15, the driving wheel 20 is always in close contact with the inner wall of the driving ring 18, when the driving wheel 20 is in contact with the driving protrusion 19 at the lower part of the driving ring 18, the adsorption block 12 and the connecting rod 14 are driven to move upwards, at the moment, the air outlet of the adsorption hole 13 is just communicated with the air inlet of the adsorption air channel 21, the negative pressure generated by the negative pressure device finally enables the suction nozzle 22 at the lower part to generate negative pressure adsorption through the adsorption hose 16, the adsorption block 12 and the adsorption air channel 21, the paper board 30 at the lower part is adsorbed, with the continuous rotation of the adsorption roller 10, when the driving wheel 20 is far away from the driving protrusion 19, under the action of the first spring 15, the adsorption block 12 and the connecting rod 14 move downwards, the air inlet of the adsorption hole 13 and the, the air outlet of the adsorption hole 13 is blocked, the adsorption pressure disappears, the paper board 30 at the lower part is transferred into the transfer roller 26, and the reciprocating and alternate progressive operation realizes the seamless connection of paper feeding work, greatly improves the production efficiency and greatly reduces the production cost in a larger range, and simultaneously effectively improves the qualification rate of products;

when the driving wheel 20 is far away from the driving protrusion 19, although the adsorption pressure disappears, a certain negative pressure exists in the suction nozzle 22 and the inner cavity of the adsorption tank 11, so that the inner wall of the adsorption tank 11 is provided with the balance air pipe 24, the seal ball 25 is movably arranged in the balance air pipe 24, when the suction nozzle 22 is in an adsorption state, the seal ball 25 moves leftwards to further block the left air outlet hole, at the moment, the inner cavities of the suction nozzle 22 and the adsorption tank 11 and the outside are in a closed state, the suction effect is generated in the suction nozzle 22, and when the negative pressure suction disappears, the seal ball 25 is far away from the left air outlet hole under the action of the inclination of the inner wall of the balance air pipe 24, so that the inner cavities of the suction nozzle 22 and the adsorption tank 11 and the outside are in a communicated state; meanwhile, in order to better facilitate the falling of the adsorbed paper board 30, a second spring 23 is arranged in the suction nozzle 22, when negative pressure occurs, the second spring 23 is compressed, and when the negative pressure suction force disappears, the second spring 23 recovers to the original length, so that the paper board 30 can more conveniently fall under the action of the elastic force of the second spring 23;

the left side of the adsorption roller 10 is provided with a conveying roller 26 for conveying the paper boards 30, the paper boards 30 at the lower part are adsorbed and conveyed leftwards through the adsorption effect of the suction nozzle 22, and then enter the conveying roller 26, so that reciprocating and alternate progressive operation are performed, and the seamless connection of paper feeding work is realized.

A printing system comprises the automatic adsorption paper feeding device.

An automatic adsorption paper feeding device specifically comprises the following working steps:

the paper boards 30 to be conveyed are placed on the supporting plate 5 in order, the lifting motor 4 is started, and the supporting plate 5 is driven to move upwards intermittently;

starting a power device and a negative pressure device, enabling the adsorption roller 10 to rotate continuously, enabling the adsorption block 12 and the connecting rod 14 to move upwards when the driving wheel 20 corresponds to the driving protrusion 19 at the lower part, enabling the adsorption hole 13 to be communicated with an air inlet of the adsorption air channel 21, enabling the suction nozzle 22 to adsorb the paper board 30 at the lower part, enabling the adsorption block 12 and the connecting rod 14 to move downwards when the driving wheel 20 is far away from the driving protrusion 19 at the lower part, enabling the adsorption hole 13 to be staggered with the air inlet of the adsorption air channel 21, enabling the adsorption pressure in the suction nozzle 22 to disappear, and enabling the paper board 30 to fall into;

the sheet 30 is fed into the printing unit in a transport roll 26.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.