TWM648237U - Vacuum filtration system and printing equipment having the same - Google Patents

Abstract

This invention provides a vacuum filtration system and printing equipment with the vacuum filtration system. Printing equipment includes feeder devices and vacuum filtration systems. The vacuum filtration system includes at least two vacuum filters, and the feeder device includes a paper feeding platform, a rising suction nozzle area, and a suction paper feeding wheel. The filtration channels of at least two vacuum filters are respectively connected to the rising suction nozzle area and the suction paper feed wheel to filter dust on the paper to be processed. Therefore, this invention can effectively filter the powder on the printed products and prevent the vacuum pipeline and vacuum pump from clogging, thereby improving printing efficiency and quality.

Description

Vacuum filtration system and printing equipment with vacuum filtration system

The invention provides a filter and printing equipment, particularly a vacuum filtration system for printing equipment, and printing equipment with a vacuum filtration system.

It is known that during the lithographic printing process, a large amount of powder is sprayed on the printed product, such as flour, corn flour, plant starch, etc., mainly to prevent dirt from sticking to the back of the printed product during the printing process. Therefore, powder spraying is usually granular. It is small and slippery, and most of them hope to spray evenly on the printed product, thereby improving printing quality and efficiency.

In the printing process, after printing is completed, the printed product must be sent to the visual inspection system of the large-sheet inspection machine through the feeder device for inspection. However, due to the aforementioned printing process, a large amount of powder will be sprayed. If it is directly sent into the machine through the feeder device, The large-sheet inspection machine will cause the vacuum pipeline and vacuum pump filter to be clogged, resulting in low efficiency and low vacuum degree, which will affect the paper feeding of the feeder device, causing the visual inspection system to often interpret distortion when the printed products are sent to the large-sheet inspection machine.

Therefore, this invention further proposes a vacuum filtration system and a printing equipment with a vacuum filtration system to solve the problems caused by the conventional technology.

In view of the above problems, the main purpose of this creation is to provide a vacuum filtration system and printing equipment with a vacuum filtration system, which can be used in post-printing visual inspection equipment to effectively filter powder on printed products and prevent vacuum pipelines and vacuum pumps from clogging, thereby improving printing efficiency and quality.

To achieve the above purpose, the present invention provides a vacuum filtration system including at least two vacuum filters. At least two vacuum filters respectively include an upper cover, a filter element, a baffle, a deflector and a holding cup. The upper cover is arranged on the holding cup, and a filter channel and a discharge channel are respectively provided on both sides of the upper cover. One end of the filter channel is used to Connected to the dust end, the filter element is housed in the holding cup and has opposite open ends and closed ends. The open end is connected to the other end of the filter channel. There is a deflector on the outside of the open end to separate the upper cover and the holding cup. , the closed end is provided with a baffle, which is used to prevent dust from leaking. One end of the discharge channel is connected to the guide plate, and the other end is used to connect to external devices.

Among them, a vacuum driving device is externally installed, and the vacuum driving device is connected to the discharge channel.

The flow rate of the vacuum filter is approximately 360 liters/minute (L/min), and the filtration accuracy is approximately 10 microns (μm).

According to the above purpose, the present invention further provides a printing equipment with a vacuum filtration system, including a feeder device and the vacuum filtration system as mentioned above. The feeder device includes a paper feeding platform, a rising suction nozzle area and a suction paper feeding wheel. The paper feeding platform is used to place the paper to be processed. The rising suction nozzle area is located above the paper feeding platform. The rising suction nozzle area contains a plurality of suction nozzles for sucking up the paper to be processed. The suction paper feed wheel is located above the paper feeding platform and on one side of the rising suction nozzle area. The suction paper feed wheel rotates and rolls in the sucked paper to be processed. in vacuum filtration system In the vacuum filter, the filtration channels of at least two vacuum filters are respectively connected to the rising suction nozzle area and the suction paper feed wheel to filter dust on the paper to be processed.

Among them, the paper feeding platform has a paper head area and a paper tail area opposite to each other, the suction paper feeding wheel is close to the paper head area, and the rising suction nozzle area is close to the paper tail area.

Among them, the suction paper feed wheel has a cylindrical structure, and the outer surface of the suction paper feed wheel has a concave and convex pattern, which rotates according to the paper feeding sequence and comes into contact with the paper to be processed.

Among them, a plurality of suction nozzles move up and down along the vertical direction to suck up the paper to be processed.

The printing equipment also includes suction vacuum control valves and vacuum driving devices. The suction vacuum control valve has a plurality of connection parts, and the plurality of connection parts are respectively connected to the discharge channels of at least two vacuum filters. The vacuum driving device is connected to the suction vacuum control valve, and the start of the vacuum driving device is controlled through the suction vacuum control valve.

Among them, the vacuum driving device is a vacuum generator or a rotary vacuum pump.

Among them, the flow rate of the vacuum filter is about 360 liters/minute (L/min), and the filtration accuracy value is about 10 microns (μm).

According to the above, the vacuum filtration system of this invention and the printing equipment with the vacuum filtration system can effectively filter dust and extend the life of the vacuum pump connected at the back end, shorten the disassembly and cleaning time of the vacuum control valve, and improve the efficiency of the printing equipment. Operation efficiency, as well as the matching of printing equipment detection and paper timing, also have the effect of improving the air quality of the working environment.

1:Printing equipment

A: Vacuum filtration system

10,20: Vacuum filter

11,21: Upper cover

12,22: filter element

12A, 22A: open end

12B, 22B: closed end

14,24: Container cup

10A, 20A: filter channel

10B, 20B: Discharge channel

16,26:Baffle

18,28: deflector

B: Feeder device

30: Paper feeding platform

40: Rising nozzle area

42:Suction nozzle

50: Suction paper feed roller

52: Concave and convex texture

60: Suction vacuum control valve

62:Connection part

70: Vacuum drive device

80,80’:dust

81,82: Dust end

83:External device

90,90’: Paper to be processed

D0: Paper feeding direction

R1: Paper head area

R2: Paper tail area

Figure 1 is a schematic diagram of an embodiment of a vacuum filtration system; Figure 2A is a schematic three-dimensional view of one embodiment of the vacuum filter 10; Figure 2B is a schematic cross-sectional view of one embodiment of the vacuum filter 10; Figure 2C is a schematic cross-sectional view of one embodiment of the vacuum filter 20; Figure 3 is a schematic cross-section of the present invention FIG. 4 is a schematic diagram of an embodiment of the printing device of the present invention; FIG. 5 is a partial side view of an embodiment of the printing device of the present invention.

The embodiments of this invention will be further explained below with the help of relevant figures. Wherever possible, the same reference numbers are used in the drawings and description to refer to the same or similar components. In the drawings, shapes and thicknesses may be exaggerated for simplicity and ease of notation. It will be understood that components not specifically shown in the drawings or described in the specification are in a form known to those of ordinary skill in the art. Those with ordinary knowledge in the art can make various changes and modifications based on the contents of this creation.

Please refer to Figure 1, Figure 2A to Figure 2C. The vacuum filtration system A of the present invention includes a vacuum filter 10 and a vacuum filter 20. The vacuum filter 10 includes an upper cover 11 , a filter element 12 , a holding cup 14 , a baffle 16 and a deflector 18 . The upper cover 11 is provided on the holding cup 14, and a filter channel 10A and a discharge channel 10B are respectively provided on both sides of the upper cover 11. One end of the filter channel 10A is used to connect the dust end 81. The filter element 12 is accommodated in the holding cup 14, and the filter element 12 has an opposite open end 12A and a closed end 12B. The open end 12A is connected to the other end of the filter channel 10A, and the deflector 18 is provided outside the open end 12A. Separate the upper cover 11 and the storage cup 14. The baffle 16 is provided at the closed end 12B, and the baffle 16 is used to prevent dust from leaking out. One end of the discharge channel 10B is connected to the guide plate 18 , and the other end is used to connect to the external device 83 .

The vacuum filter 20 is located around the vacuum filter 10 , and the vacuum filter 20 includes an upper cover 21 , a filter element 22 , a holding cup 24 , a baffle 26 and a deflector 28 . The vacuum filter 20 has the same structure as the vacuum filter 10. The difference between the two is that the filter channel 20A of the upper cover 21 is connected to the dust end 82, and the discharge channel 20B is connected to the external device 83.

The filter channel 10A inhales the dust from the dust end 81 and then passes through the filter element 12. The dust is blocked in the containing cup 14 through the baffle 16. The filtered gas is directed to the discharge channel 10B through the guide plate 18, so that the dust end 81 The dust stays in the holding cup 14 to complete the filtration of the dust end 81 .

The filter channel 20A inhales the dust from the dust end 82 and then passes through the filter element 22. The dust is blocked in the accommodating cup 24 through the baffle 26. The filtered gas is directed to the discharge channel 20B through the guide plate 28, so that the dust end 82 The dust stays in the holding cup 24 to complete the filtration of the dust end 82 .

The external device 83 may be a vacuum driving device, and the vacuum driving device connects the discharge channel 10B and the discharge channel 20B. The vacuum driving device can be a high-flow vacuum generator or a vacuum pump. By filtering and removing the inhaled dust through the vacuum filter 10 and the vacuum filter 20 respectively, it can effectively prevent the inhaled dust from causing the high-flow vacuum generator or vacuum pump to cause damage. Fault.

In the best case, the flow rate of the vacuum filter 10 or the vacuum filter 20 is about 360 liters/minute (L/min), and the filtration accuracy is about 10 microns (μm), thereby achieving effective filtration to prevent the aforementioned The external device 83 has malfunctioned.

Please refer to Figures 3 to 5 in continuation of the above. The printing equipment 1 of this invention includes a feeder device B and a vacuum filtration system A as mentioned above. The feeder device B includes a paper feeding platform 30 , a rising suction nozzle area 40 and a suction paper feeding wheel 50 . The paper feeding platform 30 is used to place the paper 90 to be processed. The rising suction nozzle area 40 is located above the paper feeding platform 30 . The rising suction nozzle area 40 includes a plurality of suction nozzles 42 for sucking up the paper 90 to be processed. The suction paper feed wheel 50 is located above the paper feeding platform 30 and on one side of the rising suction nozzle area 40 . The suction paper feed wheel 50 rotates and rolls in the sucked paper 90 to be processed. In the vacuum filtration system A, the filtration channel 10A of the vacuum filter 10 is connected to the plurality of suction nozzles 42 of the rising suction nozzle area 40, and the filtration channel 20A of the vacuum filter 20 is connected to the suction paper feed wheel 50 for filtering the paper to be processed. Dust on 90.

The paper feeding platform 30 has an opposite paper head area R1 and a paper tail area R2. The suction paper feeding wheel 50 is close to the paper head area R1, and the rising suction nozzle area 40 is close to the paper tail area R2.

The suction paper feed wheel 50 has a cylindrical structure. The outer surface of the suction paper feed wheel 50 has a concave and convex pattern 52 and rotates according to the paper feeding sequence and contacts the paper 90 to be processed. The plurality of suction nozzles 42 move up and down in the vertical direction to suck up the paper 90 to be processed.

Among them, the paper to be processed placed on the paper feeding platform 30 can be directly placed in a stack (plural sheets). The paper to be processed usually has directionality. The paper head of the paper to be processed is located in the paper head area R1, and the tail of the paper to be processed is located in the paper head area R1. End of paper area R2.

The plurality of suction nozzles 42 move to suck up the uppermost sheet of paper 90 to be processed, and then the sucked paper 90 is rolled in by the suction paper feed wheel 50. The paper feeding direction D0 of the paper 90 to be processed is determined by The paper tail area R2 moves toward the paper head area R1, while the remaining multiple stacked papers 90' to be processed are still placed on the paper feeding platform 30. Since the suction nozzle 42 and the suction paper feed wheel 50 are in operation, After long-term adsorption and paper feeding, the adsorbed powder is quite large. The vacuum filter 10 and the vacuum filter 20 can effectively filter the dust on the paper 90 to be processed.

The printing apparatus 1 also includes a suction vacuum control valve 60 and a vacuum driving device 70 . The suction vacuum control valve 60 has a plurality of connection parts 62, and the plurality of connection parts 62 respectively connect the discharge passage 10B and the discharge passage 20B. The vacuum driving device 70 is connected to the suction vacuum control valve 60 , and the vacuum driving device 70 is controlled to start through the suction vacuum control valve 60 .

The vacuum driving device 70 may be a vacuum generator or a rotary vacuum pump.

To sum up, the printing equipment 1 of this invention can be a large-sheet inspection machine or a post-printing visual inspection equipment, including a visual inspection system. The vacuum filtration system A filters the powder on the large-sheet printed matter, and then completes the filtration based on the detection results. Classification of large printouts can effectively improve product quality.

The above are only examples to illustrate the preferred implementation of this invention, and are not intended to limit the scope of implementation. All simple substitutions and equivalent changes made based on the patent scope of this invention and the content of the patent specification are all patents of this invention. Application scope.

1:Printing equipment

A: Vacuum filtration system

10,20: Vacuum filter

B: Feeder device

40: Rising nozzle area

42:Suction nozzle

50: Suction paper feed roller

60: Suction vacuum control valve

70: Vacuum drive device

Claims (12)

A vacuum filtration system includes at least two vacuum filters. Each vacuum filter includes: a holding cup; an upper cover, which is provided on the holding cup, and a filter channel and a discharge are respectively provided on both sides of the upper cover. channel; a filter element, which is accommodated in the container cup and has an opposite open end and a closed end; a guide plate, which is located outside the open end to separate the upper cover and the container cup; A baffle is provided at the closed end, and the baffle is used to prevent dust from leaking; wherein, one end of the filter channel of each vacuum filter is used to connect a different dust end, and each vacuum filter The open end of each vacuum filter is connected to the other end of the filter channel, one end of the discharge channel of each vacuum filter is connected to the respective baffle, and the other end of the discharge channel of each vacuum filter is connected to the guide plate. To connect to the same external device. The vacuum filtration system of claim 1, wherein the external device is a vacuum driving device, and the vacuum driving device is connected to the discharge channel. The vacuum filtration system of claim 1, wherein the flow rate of the vacuum filter is approximately 360 liters per minute (L/min). The vacuum filtration system as claimed in claim 1, wherein the filtration accuracy of the vacuum filter is approximately 10 microns (μm). A printing equipment with a vacuum filtration system, including: a feeder device, including: a paper feeding platform for placing a paper to be processed; A rising suction nozzle area is located above the paper feeding platform. The rising suction nozzle area includes a plurality of suction nozzles for sucking up the paper to be processed; and a suction paper feeding wheel is located above the paper feeding platform and is located on On one side of the rising suction nozzle area, the suction paper feed wheel rotates and rolls in the sucked paper to be processed; and in the vacuum filtration system as described in claim 1, the filtration of the at least two vacuum filters Channels are respectively connected to the rising suction nozzle area and the suction paper feeding wheel for filtering dust on the paper to be processed. The printing equipment with a vacuum filtration system as described in claim 5, wherein the paper feeding platform has a paper head area and a paper tail area opposite to each other, the suction paper feeding wheel is close to the paper head area, and the rising suction nozzle area near the end of the paper. The printing equipment with a vacuum filtration system as described in claim 5, wherein the suction paper feed wheel has a cylindrical structure, and the outer surface of the suction paper feed wheel has a concave and convex pattern, which rotates according to a paper feeding sequence and interacts with the paper feed wheel. Contact with the paper to be processed. The printing equipment with a vacuum filtration system as claimed in claim 5, wherein the plurality of suction nozzles move up and down along the vertical direction to suck up the paper to be processed. The printing equipment with a vacuum filtration system as described in claim 5, further comprising: a suction vacuum control valve having a plurality of connection parts, the plurality of connection parts being respectively connected to the discharge channels of the at least two vacuum filters; and A vacuum driving device is connected to the suction vacuum control valve and controls the startup of the vacuum driving device through the suction vacuum control valve. The printing equipment with a vacuum filtration system as claimed in claim 9, wherein the vacuum driving device is a vacuum generator or a rotary vacuum pump. The printing equipment with a vacuum filtration system as claimed in claim 5, wherein the flow rate of the vacuum filter is approximately 360 liters per minute (L/min). The printing equipment with a vacuum filtration system as claimed in claim 5, wherein the filtration accuracy of the vacuum filter is approximately 10 microns (μm).