阅读说明：本技术 一种利用负压的印刷机输纸部分的压力调节装置 (Pressure adjusting device of paper conveying part of printing machine by using negative pressure ) 是由 刘华炉 龚长兰 于 2020-12-23 设计创作，主要内容包括：本发明涉及印刷机技术领域,且公开了一种利用负压的印刷机输纸部分的压力调节装置,包括壳体,所述壳体的内壁活动连接有转盘,所述壳体的内壁的且靠近转盘的左侧固定连接有正极板,所述壳体的内壁且靠近转盘的右侧固定连接有负极板,所述转盘的内壁固定连接有电介质板,所述转盘的内壁弹性连接有限位块,所述壳体的内壁且靠近转盘的外侧开设有限位槽。该利用负压的印刷机输纸部分的压力调节装置,通过转盘带动电介质板的转动,该变正极板与负极板的相对面积,调节避免停止印刷机的工作,省时省力,降低产线的生产成本,提高印刷机输送纸张的效率,提高产量,避免手动调节划伤工作人员,提高安全系数。(The invention relates to the technical field of printing machines, and discloses a pressure adjusting device of a paper conveying part of a printing machine by utilizing negative pressure. This utilize pressure regulating device of defeated paper part of printing machine of negative pressure drives the rotation of dielectric plate through the carousel, should become the relative area of positive plate and negative plate, adjusts the work of avoiding stopping the printing machine, and labour saving and time saving reduces the manufacturing cost who produces the line, improves the efficiency that the printing machine carried the paper, and increase of production volume avoids manual regulation fish tail staff, improves factor of safety.)

1. A pressure adjusting device of a paper feeding part of a printing press using negative pressure, comprising a housing (1), characterized in that: the inner wall of the shell (1) is movably connected with a rotary table (4), the left side, close to the rotary table (4), of the inner wall of the shell (1) is fixedly connected with a positive plate (2), the right side, close to the rotary table (4), of the inner wall of the shell (1) is fixedly connected with a negative plate (3), the inner wall of the rotary table (4) is fixedly connected with a dielectric plate (5), the inner wall of the rotary table (4) is elastically connected with a limiting block (6), the outer side, close to the rotary table (4), of the inner wall of the shell (1) is provided with a limiting groove (7), the inner side, close to the limiting groove (7), of the inner wall of the shell (1) is fixedly connected with an electric contact ring (8), and the outer side of the;

the inner wall of casing (1) and the bottom fixedly connected with piezo-resistor (10) that is close to carousel (4), the inner wall of casing (1) is seted up fluted (15), the inner wall swing joint of recess (15) has piston (11), round hole (12) have been seted up to the inner wall of piston (11), the bottom fixedly connected with connecting rod (13) of piston (11), the inner wall fixedly connected with closed wire (14) of recess (15), the inner wall of casing (1) and the bottom fixedly connected with electro-magnet (16) that is close to piezo-resistor (10), the inner wall of casing (1) and the bottom elastic connection who is close to electro-magnet (16) have slider (18), the inner wall fixedly connected with magnetic sheet (17) of slider (18).

2. The pressure adjusting apparatus of a paper feeding part of a printing press using negative pressure as claimed in claim 1, wherein: the positive plate (2) and the negative plate (3) are the same in shape and size, and the height of the dielectric plate (5) is smaller than that of the positive plate (2).

3. The pressure adjusting apparatus of a paper feeding part of a printing press using negative pressure as claimed in claim 1, wherein: the structure of carousel (4) is the cylinder structure, the material of carousel (4) is stainless steel material.

4. The pressure adjusting apparatus of a paper feeding part of a printing press using negative pressure as claimed in claim 1, wherein: the quantity of stopper (6) is two, the even distribution of spacing groove (7) is at the inner wall of casing (1), the size of stopper (6) suits with the size of spacing groove (7).

5. The pressure adjusting apparatus of a paper feeding part of a printing press using negative pressure as claimed in claim 1, wherein: the structure of electric contact (9) is the spheroid structure, the quantity of electric contact (9) is two, electric contact ring (8) evenly distributed is at the inner wall of casing (1), closed wire (14) and electric contact (9) electric connection.

6. The pressure adjusting apparatus of a paper feeding part of a printing press using negative pressure as claimed in claim 1, wherein: the inner side of the groove (15) is filled with an electrorheological fluid, and the main components of the electrorheological fluid are gypsum, lime, carbon powder and olive oil.

7. The pressure adjusting apparatus of a paper feeding part of a printing press using negative pressure as claimed in claim 1, wherein: the magnetism of the opposite surfaces of the electromagnet (16) and the magnetic plate (17) is the same, and the piezoresistor (10) is electrically connected with the electromagnet (16).

8. The pressure adjusting apparatus of a paper feeding part of a printing press using negative pressure as claimed in claim 1, wherein: the structure of slider (18) is the cylinder structure, the follow material of slider (18) is the rubber material, the bottom fixedly connected with sucking disc of slider (18).

Technical Field

The invention relates to the technical field of printing machines, in particular to a pressure adjusting device of a paper conveying part of a printing machine by utilizing negative pressure.

Background

The printing machine is to make the characters and images to be printed into the printing plate, install on the printing machine, then transfer to the paper or other stock directly or indirectly, the variety of the printing machine is many, for the negative pressure type printing machine, the pressure of the existing negative pressure type printing machine in the paper conveying part is inconvenient to adjust, usually need to shut down the printing machine, prevent to adjust through staff's manual pressure, degree of automation is low.

The partial majority of current negative pressure formula printing machine carrying the paper is by staff manual regulation, consequently need stop the work of printing machine during the regulation, wastes time and energy, increases the manufacturing cost who produces the line, can reduce the printing machine and carry the efficiency of paper, leads to the reduction of output, and manual regulation can fish tail staff simultaneously, and factor of safety reduces.

Therefore, we have proposed a pressure adjusting device of a paper feeding portion of a printing press using negative pressure to solve the above problems.

Disclosure of Invention

Technical scheme (I)

In order to realize the purposes of avoiding stopping the printing machine during adjustment, saving time and labor, reducing the production cost of a production line, improving the paper conveying efficiency of the printing machine, improving the yield, avoiding scratching workers during manual adjustment and improving the safety factor, the invention provides the following technical scheme: a pressure adjusting device of a paper conveying part of a printing machine utilizing negative pressure comprises a shell, wherein a rotary disc is movably connected to the inner wall of the shell, a positive plate is fixedly connected to the left side, close to the rotary disc, of the inner wall of the shell, a negative plate is fixedly connected to the right side, close to the rotary disc, of the inner wall of the shell, a dielectric plate is fixedly connected to the inner wall of the rotary disc, a limiting block is elastically connected to the inner wall of the rotary disc, a limiting groove is formed in the outer side, close to the rotary disc, of the inner wall of the shell, an electric contact ring is fixedly connected to the inner side, close to the limiting groove, of the inner;

the inner wall of casing and the bottom fixedly connected with piezo-resistor that is close to the carousel, the inner wall of casing is seted up flutedly, the inner wall swing joint of recess has the piston, the round hole has been seted up to the inner wall of piston, the bottom fixedly connected with connecting rod of piston, the inner wall fixedly connected with closed wire of recess, the inner wall of casing and the bottom fixedly connected with electro-magnet that is close to piezo-resistor, the inner wall of casing and the bottom elastic connection who is close to the electro-magnet have a slider, the inner wall fixedly connected with magnetic sheet of slider.

Preferably, the positive plate and the negative plate have the same shape and size, the dielectric plate has a height smaller than that of the positive plate, and the positive plate and the negative plate provide a voltage.

Preferably, the structure of carousel is the cylinder structure, the material of carousel is stainless steel material, and the carousel has played the pivoted effect.

Preferably, the quantity of stopper is two, the even distribution of spacing groove is at the inner wall of casing, the size of stopper suits with the size of spacing groove, and the stopper has played spacing effect.

Preferably, the structure of the electric contact is a sphere structure, the number of the electric contacts is two, the electric contact rings are uniformly distributed on the inner wall of the shell, the closed lead is electrically connected with the electric contact, and the electric contact rings play a role in connecting a circuit.

Preferably, the inner side of the groove is filled with an electrorheological fluid, the main components of the electrorheological fluid are gypsum, lime, carbon powder and olive oil, and the groove plays a role of containing liquid.

Preferably, the electromagnets and the magnetic plate have the same magnetism on the opposite surfaces, the piezoresistors are electrically connected with the electromagnets, and the electromagnets and the magnetic plate have mutual repulsion effect.

Preferably, the structure of slider is the cylinder structure, the follow material of slider is the rubber material, the bottom fixedly connected with sucking disc of slider, the slider has played the effect of activity.

(II) advantageous effects

Compared with the prior art, the invention provides a pressure regulating device of a paper conveying part of a printing machine by utilizing negative pressure, which has the following beneficial effects:

1. this utilize pressure regulating device of defeated paper part of printing machine of negative pressure drives the rotation of dielectric plate through the carousel, should become the relative area of positive plate and negative plate, adjusts the work of avoiding stopping the printing machine, and labour saving and time saving reduces the manufacturing cost who produces the line, improves the efficiency that the printing machine carried the paper, and increase of production volume avoids manual regulation fish tail staff, improves factor of safety.

2. This utilize negative pressure's printing machine paper feed part's pressure adjusting device through electric contact and electric contact ring's electric connection and separation, has realized that the electrorheological body becomes solid state from liquid, has solid state to become liquid once more, has realized the cyclic utilization of material, based on piezo-resistor's characteristic, has realized the rationalization of the energy and has used, energy-concerving and environment-protective.

Drawings

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

FIG. 2 is an enlarged partial view of portion A of FIG. 1;

FIG. 3 is a schematic view of the housing structure of the present invention;

FIG. 4 is an enlarged partial view of the portion B in FIG. 3 according to the present invention.

In the figure: 1. a housing; 2. a positive plate; 3. a negative plate; 4. a turntable; 5. a dielectric plate; 6. a limiting block; 7. a limiting groove; 8. an electrical contact ring; 9. an electrical contact; 10. a voltage dependent resistor; 11. a piston; 12. A circular hole; 13. a connecting rod; 14. closing the wire; 15. a groove; 16. an electromagnet; 17. a magnetic plate; 18. A slide block.

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, a pressure adjusting device for a paper feeding portion of a printing machine using negative pressure, comprising a housing 1, a rotating disc 4 movably connected to an inner wall of the housing 1, the rotating disc 4 being of a cylindrical structure, the rotating disc 4 being made of stainless steel, the rotating disc 4 serving as a rotation function, a positive plate 2 fixedly connected to a left side of the inner wall of the housing 1 and close to the rotating disc 4, the positive plate 2 and the negative plate 3 having the same shape and size, a dielectric plate 5 having a height smaller than that of the positive plate 2, the positive plate 2 and the negative plate 3 serving as a voltage supply function, a negative plate 3 fixedly connected to a right side of the inner wall of the housing 1 and close to the rotating disc 4, a dielectric plate 5 fixedly connected to an inner wall of the rotating disc 4, a stopper 6 elastically connected to the inner wall of the rotating disc 4, two stoppers 6, and stopper grooves 7 uniformly distributed on, the size of the limiting block 6 is matched with that of the limiting groove 7, the limiting block 6 plays a limiting role, the limiting groove 7 is formed in the inner wall of the shell 1 and on the outer side close to the rotary table 4, the electric contact ring 8 is fixedly connected to the inner wall of the shell 1 and on the inner side close to the limiting groove 7, the electric contact 9 is movably connected to the outer side of the rotary table 4, the electric contact 9 is of a spherical structure, the number of the electric contacts 9 is two, the electric contact rings 8 are uniformly distributed on the inner wall of the shell 1, the closed lead 14 is electrically connected with the electric contact 9, and the electric contact 9 and the electric contact ring 8 play a role in connecting a circuit;

the inner wall of the shell 1 and the bottom close to the rotating disc 4 are fixedly connected with a piezoresistor 10, the inner wall of the shell 1 is provided with a groove 15, the inner side of the groove 15 is filled with an electrorheological body, the main components of the electrorheological body are gypsum, lime, carbon powder and olive oil, the groove 15 plays a role in containing liquid, the inner wall of the groove 15 is movably connected with a piston 11, the inner wall of the piston 11 is provided with a round hole 12, the bottom of the piston 11 is fixedly connected with a connecting rod 13, the inner wall of the groove 15 is fixedly connected with a closed lead 14, the inner wall of the shell 1 and the bottom close to the piezoresistor 10 are fixedly connected with an electromagnet 16, the opposite surfaces of the electromagnet 16 and a magnetic plate 17 are the same in magnetism, the piezoresistor 10 is electrically connected with the electromagnet 16, the electromagnet 16 and the magnetic plate 17 play a mutual repulsion role, the inner wall of the shell, the slider 18 is made of rubber, the bottom of the slider 18 is fixedly connected with a sucker, the slider 18 plays a role in movement, and the inner wall of the slider 18 is fixedly connected with a magnetic plate 17.

The working principle is as follows: when the pressure regulating device is used, the initial state of the pressure regulating device is as shown in fig. 1, the rotating disc 4 is rotated to drive the dielectric plate 5 to rotate, at the moment, the limiting block 6 can be extruded by the outer shell 1 to shrink, and the limiting block 6 is matched with the size of the limiting groove 7, so that the limiting block 6 can be clamped with the next limiting groove 7, when the dielectric plate 5 rotates, the relative area of the positive plate 2 and the negative plate 3 begins to increase, when the voltage in a circuit is greater than the minimum working voltage of the piezoresistor 10, the piezoresistor 10 starts to work, and at the moment, the electromagnet 16 electrically connected with the piezoresistor 10 has magnetism;

because the opposite surfaces of the electromagnet 16 and the magnetic plate 17 have the same magnetism, the electromagnet 16 repels the magnetic plate 17, so that the magnetic plate 17 drives the sliding block 18 to move downwards;

when the required pressure is adjusted, the limiting block 6 is clamped with the limiting groove 7, the electric contact 9 is electrically connected with the electric contact ring 8, current passes through the closed lead 14 electrically connected with the electric contact 9, and the current body on the inner side of the groove 15 is changed from liquid state to solid state, so that the connecting rod 13 is limited, and the sliding block 18 is fixed;

when the device is used again, the rotating disc 4 is rotated to separate the electric contact 9 from the electric contact ring 8, no electricity passes through the closed lead 14 at the moment, and the electric current in the groove 15 can be converted into liquid from solid and converted through the round hole 12 on the inner side of the piston 11;

above-mentioned process is as shown in fig. 3, has realized that the regulation avoids the work of stopping the printing machine, and labour saving and time saving reduces the manufacturing cost who produces the line, improves the printing machine and carries the efficiency of paper, increases output, avoids manual regulation fish tail staff, improves factor of safety.

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.