Printing machine ink roller cleaning system and wastewater treatment method

Abstract

The invention relates to a printing machine ink roller cleaning system which comprises an ink roller, a cleaning device, a waste water treatment device, a waste water collecting box, a pipeline assembly and a control assembly. The cleaning system comprises a wastewater treatment mode and a wastewater collection mode, the wastewater treatment mode is configured as follows: the first control valve and the third control valve are opened, the second control valve is closed, and wastewater collected by the collection assembly flows back to the clear water tank after being treated by the wastewater treatment device through the first pipeline; the wastewater collection mode is configured as follows: the first control valve and the third control valve are closed, the second control valve is opened, and the wastewater collected by the collection assembly flows to the wastewater collection tank through the second pipeline. Two treatment modes are provided, a user can select clear water treated by the wastewater treatment device to flow back to the clear water tank so as to achieve the purposes of water resource saving, low carbon and environmental protection, and also can select to directly flow the wastewater into the wastewater collection tank to be collected, so that the wastewater treatment efficiency is improved. A user can conveniently and directly convey the wastewater collection tank to a wastewater treatment plant for treatment.

Description

Technical Field

[0001] The present invention relates to the technical field of printing presses, and in particular to an ink roller cleaning system for a printing press and a wastewater treatment method. Background Art

[0002] Printing is a process of using various printing plates or other methods to transfer the text and image information on the original or carrier to the surface of paper or other printing substrates in batches through ink or colorant to reproduce it. When printing products are changed, sometimes the ink used in the printing press also needs to be changed. At this time, after adding new ink to the ink fountain, it is necessary to first clean the water and ink rollers of the printing press to remove the residual ink of the previous color, and then print. During the maintenance of the printing press, in order to improve the service life of the water and ink rollers and ensure that the ink rollers can normally transfer the dampening solution and ink, it is also necessary to regularly clean and maintain the water and ink rollers.

[0003] In the prior art, a water and ink roller cleaning device for a printing press is disclosed in a patent document with the publication number of CN211764247U, which includes an outer box body, a cleaning device, a hot air and heat exchange system, a lighting system, a wastewater treatment system, a solvent spraying device, and a control system fixed inside the outer box body. The wastewater treatment system is fixed in the middle of the bottom of the outer box body, the cleaning device is fixed above the wastewater treatment system, and the hot air and heat exchange system, the lighting system and the control system are arranged side by side above the solvent spraying device. The inside of the control system is a PLC controller, and the PLC controller is electrically connected to each system. The wastewater treatment system set in this technical solution realizes the recycling of the treated water. However, the wastewater treatment effect is not good during wastewater treatment, and only a wastewater treatment mode is provided, and a diversified sewage treatment scheme cannot be provided. Summary of the Invention

[0004] The first object of the present invention is to provide an ink roller cleaning system for a printing press, which aims to solve the technical problems of poor wastewater treatment effect and single treatment mode in the existing ink roller cleaning system for a printing press.

[0005] To solve the above technical problems, an ink roller cleaning system for a printing press is provided, including:

[0006] Ink roller;

[0007] A cleaning device, including a clean water tank, a cleaning agent tank, a spray head assembly and a collection assembly. The spray head assembly and the collection assembly are respectively arranged on opposite sides of the ink roller, and both the clean water tank and the cleaning agent tank are communicated with the spray head assembly;

[0008] A wastewater treatment device, and the collection assembly is communicated with the wastewater treatment device;

[0009] A wastewater collection tank, which is respectively communicated with the wastewater treatment device and the collection assembly;

[0010] A pipeline assembly, which includes a first pipeline, a second pipeline and a third pipeline. The first pipeline is connected between the collection assembly and the wastewater treatment device. The second pipeline is connected between the first pipeline and the wastewater collection tank. The third pipeline is connected between the wastewater treatment device and the clean water tank;

[0011] A control assembly, including a controller, a first control valve, a second control valve and a third control valve which are respectively electrically connected to the controller. The first control valve is arranged on the first pipeline. The second control valve is arranged on the second pipeline. The third control valve is arranged on the third pipeline. The first control valve is located between the second pipeline and the wastewater treatment device;

[0012] The cleaning system includes a wastewater treatment mode and a wastewater collection mode. The wastewater treatment mode is configured as follows: the first control valve and the third control valve are opened, the second control valve is closed, and the wastewater collected by the collection assembly passes through the first pipeline, is treated by the wastewater treatment device, and then flows back to the clean water tank; the wastewater collection mode is configured as follows: the first control valve and the third control valve are closed, the second control valve is opened, and the wastewater collected by the collection assembly flows through the second pipeline to the wastewater collection tank.

[0013] Further, the wastewater treatment device includes a wastewater treatment tank, a stirring assembly, an extension pipeline, a filtering assembly and a medicine tank. The wastewater treatment tank includes a receiving pool, a conveying pool, a filtering pool, a sedimentation pool and a storage pool which are sequentially communicated. The stirring assembly is at least partially arranged in the receiving pool. The extension pipeline is arranged in the conveying pool. The filtering assembly is arranged in the filtering pool. The sedimentation pool is communicated with the clean water tank. The medicine tank is communicated with the receiving pool.

[0014] Further, the stirring assembly includes a first driving motor and a stirring member, and the first driving motor is connected to the stirring member.

[0015] Further, the filtering assembly includes a filter layer, an activated carbon layer and an iron-carbon filler layer which are sequentially stacked along the flow direction.

[0016] Further, the collection assembly includes a collection member, a screw rod and a second driving motor. The collection member includes a collection groove. The collection member abuts against the ink roller. The screw rod is arranged in the collection groove and is connected to the second driving motor.

[0017] Further, the collecting member includes a collecting portion and an abutting portion extending from the collecting portion. A silica gel sleeve is provided at one end of the abutting portion away from the collecting portion, and the abutting portion is inclined with respect to the ink roller.

[0018] Further, the nozzle assembly includes a driving member and a nozzle member. The driving member is connected to the nozzle member, and the driving member drives the nozzle member to approach or move away from the ink roller.

[0019] Further, the nozzle member includes a water storage portion and a plurality of brush portions. The water storage portion is connected to the brush portions. The water storage portion includes a cavity, a water inlet and a water outlet communicating with the cavity. The water outlet is provided between adjacent two brush portions.

[0020] Further, the pipeline assembly further includes a fourth pipeline, a fifth pipeline, a sixth pipeline and a seventh pipeline. The water storage tank and the nozzle assembly are communicated through the fourth pipeline. The fifth pipeline is connected between the cleaning agent tank and the fourth pipeline. The sixth pipeline is connected between the wastewater treatment device and the wastewater collection tank. The seventh control valve is provided on the seventh pipeline. The control assembly further includes a fourth control valve, a fifth control valve, a sixth control valve and a seventh control valve. The fourth control valve is provided on the fourth pipeline and located between the water storage tank and the fifth pipeline. The fifth control valve is provided on the fifth pipeline. The sixth control valve is provided on the sixth pipeline. The seventh control valve is provided on the seventh pipeline.

[0021] The second object of the present invention is to provide a wastewater treatment method for a printing press ink roller cleaning system, using the above-mentioned printing press ink roller cleaning system. The method includes:

[0022] S1: Driving the nozzle assembly to approach the ink roller so that the nozzle assembly abuts against the ink roller;

[0023] S2: Controlling the fourth control valve and the fifth control valve to open, and the nozzle assembly sprays the cleaning liquid;

[0024] S3: Controlling the second driving motor to drive the screw rod to rotate;

[0025] S4: In the wastewater treatment mode, controlling the first control valve and the third control valve to open, the second control valve to close, and the wastewater collected by the collecting assembly to flow through the first pipeline and be treated by the wastewater treatment device and then flow back to the water storage tank; In the wastewater collection mode, the first control valve and the third control valve are closed, the second control valve is open, and the wastewater collected by the collecting assembly flows through the second pipeline to the wastewater collection tank;

[0026] Among them, in the wastewater treatment mode, the wastewater enters the receiving tank and a flocculant is added. The first driving motor is controlled to drive the stirring member to rotate. The wastewater mixed with the flocculant is transported to the filtration tank through the extension pipeline, enters the sedimentation tank after being treated by the filtration assembly, and after standing, the clear water enters the clear water tank and the sewage enters the storage tank.

[0027] Implementing the embodiments of the present invention will have the following beneficial effects:

[0028] In one embodiment, for the printing press ink roller cleaning system of the present application, due to the wastewater treatment device and the wastewater collection tank, two treatment modes of wastewater treatment mode and wastewater collection mode can be provided. In the wastewater treatment mode, the cleaning liquid sprayed by the nozzle assembly becomes wastewater after cleaning the ink roller, and is transported to the wastewater treatment device through the collection assembly for treatment. After treatment, the clear water is recycled back to the clear water tank, and the remaining wastewater flows into the wastewater collection tank; in the wastewater collection mode, the generated wastewater directly flows into the wastewater collection tank. In this way, the wastewater collection tank can be directly transported to the wastewater treatment plant for treatment, without the need to manually collect and transport it to the wastewater treatment plant for treatment in the traditional way, which is beneficial to reducing labor costs.

[0029] In another embodiment, for the wastewater treatment device of the present application, the wastewater and the flocculant are first mixed in the receiving tank, and the stirring assembly is used to fully mix them. Then, the waste liquid flow time is extended through the winding extension pipeline, and the waste liquid and the flocculant are further fully mixed in the extension pipeline. After being filtered by the filtration assembly, it enters the sedimentation tank and stands for a period of time, so that the wastewater treatment effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0031] Figure 1 It is a schematic structural diagram of the printing press ink roller cleaning system according to the embodiment of the present invention;

[0032] Figure 2 It is the front view of the printing press ink roller cleaning system according to the embodiment of the present invention;

[0033] Figure 3 is Figure 2 the sectional view along line A-A in

[0034] Figure 4 It is a partial schematic structural diagram of the cleaning device according to the embodiment of the present invention;

[0035] Figure 5 Structural schematic diagram of the collection component according to an embodiment of the present invention;

[0036] Figure 6 Control schematic diagram of the ink roller cleaning system of the printing press according to an embodiment of the present invention;

[0037] Figure 7 Flowchart of the wastewater treatment method of the ink roller cleaning system of the printing press according to an embodiment of the present invention.

[0038] Wherein: 100, ink roller cleaning system of the printing press; 110, ink roller; 120, cleaning device; 121, clean water tank; 122, cleaning agent tank; 123, spray head assembly; 1231, driving component; 1232, spray head component; 1232A, water storage part; 1232B, brush part; 1232C, water outlet; 124, collection component; 1241, collection piece; 1241A, collection tank; 1241B, collection part; 1241C, abutting part; 1242, screw rod; 1243, second driving motor; 130, wastewater treatment device; 131, wastewater treatment tank; 1311, accommodation pool; 1312, conveying pool; 1313, filtration pool; 1314, sedimentation pool; 1315, storage pool; 132, stirring component; 1321, first driving motor; 1322, stirring piece; 133, extension pipeline; 134, filtration component; 1341, filtration layer; 1342, activated carbon layer; 1343, iron-carbon filler layer; 135, chemical agent tank; 140, wastewater collection tank; 150, pipeline component; 151, first pipeline; 152, second pipeline; 153, third pipeline; 154, fourth pipeline; 155, fifth pipeline; 156, sixth pipeline; 157, seventh pipeline; 160, control component; 161, controller; 162, first control valve; 163, second control valve; 164, third control valve; 165, fourth control valve; 166, fifth control valve; 167, sixth control valve; 168, seventh control valve; 170, power pump. Detailed implementation manners

[0039] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure content of the present invention more thorough and comprehensive.

[0040] It should be noted that when an element is referred to as "fixed to" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0041] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this invention belongs. The terms used in the description of the present invention herein are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0042] Please refer to Figures 1-6, an embodiment of the present invention provides a cleaning system for an ink roller 110 of a printing press, including an ink roller 110, a cleaning device 120, a wastewater treatment device 130, a wastewater collection tank 140, a pipeline assembly 150, and a control assembly 160. The cleaning device 120 includes a fresh water tank 121, a cleaning agent tank 122, a spray head assembly 123, and a collection assembly 124. The spray head assembly 123 and the collection assembly 124 are respectively arranged on opposite sides of the ink roller 110. The fresh water tank 121 and the cleaning agent tank 122 are both communicated with the spray head assembly 123. The collection assembly 124 is communicated with the wastewater treatment device 130; the wastewater collection tank 140 is respectively communicated with the wastewater treatment device 130 and the collection assembly 124. The pipeline assembly 150 includes a first pipeline 151, a second pipeline 152, and a third pipeline 153. The first pipeline 151 is connected between the collection assembly 124 and the wastewater treatment device 130. The second pipeline 152 is connected between the first pipeline 151 and the wastewater collection tank 140. The third pipeline 153 is connected between the wastewater treatment device 130 and the fresh water tank 121. The control assembly 160 includes a controller 161, a first control valve 162, a second control valve 163, and a third control valve 164 that are respectively electrically connected to the controller 161. The first control valve 162 is arranged on the first pipeline 151. The second control valve 163 is arranged on the second pipeline 152. The third control valve 164 is arranged on the third pipeline 153. The first control valve 162 is located between the second pipeline 152 and the wastewater treatment device 130. The cleaning system includes a wastewater treatment mode and a wastewater collection mode. The wastewater treatment mode is configured as follows: the first control valve 162 and the third control valve 164 are opened, the second control valve 163 is closed, and the wastewater collected by the collection assembly 124 is treated by the wastewater treatment device 130 through the first pipeline 151 and then flows back to the fresh water tank 121; the wastewater collection mode is configured as follows: the first control valve 162 and the third control valve 164 are closed, the second control valve 163 is opened, and the wastewater collected by the collection assembly 124 flows through the second pipeline 152 to the wastewater collection tank 140. Exemplarily, the function of the control valve is to control the on-off of the pipeline. The main inventive point of the present application is to provide two treatment modes. Users can choose to use the fresh water treated by the wastewater treatment device 130 to flow back to the fresh water tank 121 to achieve the purpose of saving water resources, being low-carbon and environmentally friendly. They can also choose to directly flow the wastewater into the wastewater collection tank 140 for collection, which is convenient for users to directly transport the wastewater collection tank 140 to the wastewater treatment plant, helps reduce labor costs, and users can choose according to their own needs. The device of the present application is relatively flexible in treating wastewater. A power pump 170 is also arranged on the third pipeline 153 to facilitate providing power to transport the treated fresh water to the fresh water tank 121.In addition, it should be noted that the wastewater treatment device 130 and the wastewater collection tank 140 of the present application are external. Based on the original printing press, the wastewater treatment device 130 and the wastewater collection tank 140 are added externally. The collection member 1241 in the collection assembly 124 is provided in the existing printing press, and the collection assembly 124 of the present application only adds a screw rod 1242 and a second drive motor 1243 to minimize the modification of the printing press. Since the internal structure of the existing printing press is complex and the remaining space is small, the principle in the design of the cleaning system of the present application is to minimize the impact on the original structure of the printing press.

[0043] Please refer to Figure 1 、 Figure 3 and Figure 6 In this embodiment, for the cleaning system of the printing press ink roller 110 of the present application, due to the wastewater treatment device 130 and the wastewater collection tank 140, two treatment modes, namely the wastewater treatment mode and the wastewater collection mode, can be provided. In the wastewater treatment mode, the cleaning liquid sprayed by the nozzle assembly 123 becomes wastewater after cleaning the ink roller 110, and is transported to the wastewater treatment device 130 through the collection assembly 124 for treatment. After treatment, the clean water is recycled to the clean water tank 121, and the remaining wastewater flows into the wastewater collection tank 140. In the wastewater collection mode, the generated wastewater directly flows into the wastewater collection tank 140, so that the wastewater collection tank 140 can be directly transported to the wastewater treatment plant for treatment, instead of being manually collected and transported to the wastewater treatment plant in the traditional way, which helps to reduce labor costs.

[0044] Please refer to Figure 1 and Figure 3 In a possible implementation manner, the wastewater treatment device 130 includes a wastewater treatment tank 131, a stirring assembly 132, an extension pipeline 133, a filtering assembly 134, and a chemical agent tank 135. The wastewater treatment tank 131 includes a receiving pool 1311, a conveying pool 1312, a filtering pool 1313, a sedimentation pool 1314, and a storage pool 1315 that are connected in sequence. The stirring assembly 132 is at least partially disposed in the receiving pool 1311, the extension pipeline 133 is disposed in the conveying pool 1312, the filtering assembly 134 is disposed in the filtering pool 1313, the sedimentation pool 1314 is communicated with the clean water tank 121, and the chemical agent tank 135 is communicated with the receiving pool 1311. In this embodiment, for the wastewater treatment device 130 of the present application, the wastewater and the flocculant are first mixed in the receiving pool 1311 and thoroughly mixed using the stirring assembly 132. Then, the waste liquid flow time is extended through the winding extension pipeline 133, and the waste liquid and the flocculant are further thoroughly mixed in the extension pipeline 133. After being filtered by the filtering assembly 134, the waste liquid enters the sedimentation pool 1314 and stands for a period of time, so that the wastewater treatment effect is better.

[0045] Please refer to Figure 1 andFigure 3 In a possible implementation, the stirring assembly 132 includes a first driving motor 1321 and a stirring member 1322, and the first driving motor 1321 is connected to the stirring member 1322. Exemplarily, the first driving motor 1321 drives the stirring member 1322 to rotate, so that the wastewater and the flocculant are fully mixed, improving the flocculation effect of the flocculant. The flocculant mainly has positively (negatively) charged groups that approach some particles or granules with negatively (positively) charged and difficult-to-separate in water, reducing their electric potential, making them in an unstable state, and using their polymerization properties to concentrate these particles and separate them by physical or chemical methods.

[0046] Please refer to Figure 1 and Figure 3 In a possible implementation, the filtering assembly 134 includes a filter layer 1341, an activated carbon layer 1342, and an iron-carbon filler layer 1343 that are sequentially stacked along the flow direction. Exemplarily, the filter layer 1341 in the filter tank 1313 can filter larger suspended solids and particles in the sewage, the activated carbon layer 1342 can deodorize the sewage, and the iron-carbon filler layer 1343 can decolorize the sewage.

[0047] Please refer to Figure 1 and Figure 5 In a possible implementation, the collection assembly 124 includes a collection member 1241, a screw rod 1242, and a second driving motor 1243. The collection member 1241 includes a collection tank 1241A. The collection member 1241 abuts against the ink roller 110. The screw rod 1242 is disposed in the collection tank 1241A and is connected to the second driving motor 1243. Exemplarily, the second driving motor 1243 drives the screw rod 1242 to rotate. The wastewater contains ink, and the ink is likely to adhere to the collection member 1241. Therefore, in this application, the screw rod 1242 is provided to scrape off the ink adhering to the collection member 1241. It can be understood that the screw rod 1242 abuts against the inner wall of the collection tank 1241A.

[0048] Please refer to Figure 1 and Figure 5 In a possible implementation, the collection member 1241 includes a collection portion 1241B and a contact portion 1241C extending from the collection portion 1241B. A silica gel sleeve is provided at one end of the contact portion 1241C facing away from the collection portion 1241B. The contact portion 1241C is inclined with respect to the ink roller 110. Exemplarily, the contact portion 1241C is equivalent to a scraper, and the contact portion 1241C scrapes off the ink adhering to the ink roller 110.

[0049] Please refer to Figure 1 and Figure 4, in a possible implementation, the nozzle assembly 123 includes a driving component 1231 and a nozzle component 1232. The driving component 1231 is connected to the nozzle component 1232, and the driving component 1231 drives the nozzle component 1232 to approach or move away from the ink roller 110. Exemplarily, the nozzle component 1232 is both a nozzle and a brush, and can spray cleaning liquid while cleaning with the brush. The cleaning liquid is a mixed liquid of clean water and a cleaning agent. During cleaning, it contacts the brush through the rotation of the ink roller 110.

[0050] Please refer to Figure 1 and Figure 4 , in a possible implementation, the nozzle component 1232 includes a water storage part 1232A and a plurality of brush parts 1232B. The water storage part 1232A is connected to the brush parts 1232B. The water storage part 1232A includes a cavity (not shown in the figure), a water inlet (not shown in the figure) communicating with the cavity, and a water outlet 1232C. A water outlet 1232C is provided between adjacent two brush parts 1232B. Exemplarily, the cleaning liquid sprayed from the water outlet 1232C can clean the ink roller 110, and the cleaning liquid enters the water storage part 1232A from the water inlet.

[0051] Please refer to Figure 1 and Figure 4 , in a possible implementation, the pipeline assembly 150 further includes a fourth pipeline 154, a fifth pipeline 155, a sixth pipeline 156, and a seventh pipeline 157. The clean water tank 121 and the nozzle assembly 123 are communicated through the fourth pipeline 154. The fifth pipeline 155 is connected between the cleaning agent tank 122 and the fourth pipeline 154. The sixth pipeline 156 is connected between the wastewater treatment device 130 and the wastewater collection tank 140. The seventh pipeline 157 is connected between the wastewater collection tank 140 and the clean water tank 121. The control assembly 160 further includes a fourth control valve 165, a fifth control valve 166, a sixth control valve 167, and a seventh control valve 168. The fourth control valve 165 is provided on the fourth pipeline 154 and is located between the clean water tank 121 and the fifth pipeline 155. The fifth control valve 166 is provided on the fifth pipeline 155. The sixth control valve 167 is provided on the sixth pipeline 156. The seventh control valve 168 is provided on the seventh pipeline 157. Exemplarily, the control valve is used to control the on-off of the pipeline. The controller 161 is electrically connected to the fourth control valve 165, the fifth control valve 166, the sixth control valve 167, and the seventh control valve 168 respectively.

[0052] Please refer to Figure 7 , the second object of the present invention is to provide a wastewater treatment method for the ink roller 110 cleaning system of a printing press. Using the above-mentioned ink roller 110 cleaning system of a printing press, the method includes:

[0053] S1: Drive the nozzle assembly 123 close to the ink roller 110 so that the nozzle assembly 123 abuts against the ink roller 110;

[0054] S2: Control the fourth control valve 165 and the fifth control valve 166 to open, and the nozzle assembly 123 sprays cleaning liquid;

[0055] S3: Control the second drive motor 1243 to drive the screw rod 1242 to rotate;

[0056] S4: In the wastewater treatment mode, control the first control valve 162 and the third control valve 164 to open, and the second control valve 163 to close. The wastewater collected by the collection assembly 124 flows back to the clean water tank 121 after being treated by the wastewater treatment device 130 through the first pipeline 151. In the wastewater collection mode, the first control valve 162 and the third control valve 164 are closed, and the second control valve 163 is open. The wastewater collected by the collection assembly 124 flows to the wastewater collection tank 140 through the second pipeline 152.

[0057] Among them, in the wastewater treatment mode, the wastewater enters the receiving pool 1311 and a flocculant is added. Control the first drive motor 1321 to drive the stirring member 1322 to rotate. The wastewater mixed with the flocculant is transported to the filtration pool 1313 through the extension pipeline 133. After being treated by the filtration assembly 134, it enters the sedimentation tank 1314. After standing, the clean water enters the clean water tank 121, and the sewage enters the storage pool 1315. For the wastewater treatment device 130 of the present application, the wastewater and the flocculant are first mixed in the receiving pool 1311 and fully mixed by the stirring assembly 132. Then, the flowing time of the waste liquid is extended through the winding extension pipeline 133, and the waste liquid and the flocculant are further fully mixed in the extension pipeline 133. After being filtered by the filtration assembly 134, it enters the sedimentation tank 1314 and stands for a period of time, so that the wastewater treatment effect is better. It can be understood that the controller 161 is electrically connected to the first drive motor 1321, the second drive motor 1243, and the drive component 1231 respectively.

[0058] The above embodiments only represent several implementation manners of the present invention. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention patent shall be subject to the appended claims.

Claims

1. A printing press ink roller cleaning system, characterized in that: include: Ink roller; A cleaning device, comprising a clean water tank, a cleaning agent tank, a nozzle assembly and a collecting assembly, wherein the nozzle assembly and the collecting assembly are respectively arranged on opposite sides of the ink roller, and the clean water tank and the cleaning agent tank are both connected to the nozzle assembly; a wastewater treatment device, the collection assembly being in communication with the wastewater treatment device; A wastewater collection box, the wastewater collection box is connected to the wastewater treatment device and the collection assembly respectively; A pipeline assembly, the pipeline assembly comprising a first pipeline, a second pipeline and a third pipeline, the first pipeline being connected between the collection assembly and the wastewater treatment device, the second pipeline being connected between the first pipeline and the wastewater collection tank, and the third pipeline being connected between the wastewater treatment device and the clean water tank; A control assembly, comprising a controller, and a first control valve, a second control valve and a third control valve electrically connected to the controller, respectively, wherein the first control valve is arranged on the first pipeline, the second control valve is arranged on the second pipeline, the third control valve is arranged on the third pipeline, and the first control valve is located between the second pipeline and the wastewater treatment device; The cleaning system includes a wastewater treatment mode and a wastewater collection mode, wherein the wastewater treatment mode is configured as follows: the first control valve and the third control valve are opened, the second control valve is closed, and the wastewater collected by the collection assembly flows through the first pipeline, is processed by the wastewater treatment device, and then flows back to the clean water tank; The wastewater collection mode is configured as follows: the first control valve and the third control valve are closed, the second control valve is opened, and the wastewater collected by the collection assembly flows to the wastewater collection tank through the second pipeline.

2. The printing press ink roller cleaning system according to claim 1, characterized in that: The wastewater treatment device includes a wastewater treatment tank, a stirring component, an extension pipeline, a filter component and a medicine box. The wastewater treatment tank includes a holding tank, a conveying tank, a filter tank, a sedimentation tank and a storage tank which are connected in sequence. The stirring component is at least partially arranged in the holding tank, the extension pipeline is arranged in the conveying tank, the filter component is arranged in the filter tank, the sedimentation tank is connected to the clean water tank, and the medicine box is connected to the holding tank.

3. The printing press ink roller cleaning system according to claim 2, characterized in that: The stirring assembly includes a first driving motor and a stirring member, and the first driving motor is connected to the stirring member.

4. The printing press ink roller cleaning system according to claim 2, characterized in that: The filter assembly comprises a filter layer, an activated carbon layer and an iron-carbon filler layer which are sequentially stacked along a flow direction.

5. The printing press ink roller cleaning system according to claim 1, characterized in that: The collecting assembly includes a collecting member, a spiral rod and a second driving motor. The collecting member includes a collecting groove. The collecting member abuts against the ink roller. The spiral rod is arranged in the collecting groove and connected to the second driving motor.

6. The printing press ink roller cleaning system according to claim 5, characterized in that: The collecting member comprises a collecting portion and an abutting portion extending from the collecting portion, a silicone sleeve is arranged at one end of the abutting portion away from the collecting portion, and the abutting portion is arranged obliquely relative to the ink roller.

7. The printing press ink roller cleaning system according to claim 1, characterized in that: The nozzle assembly comprises a driving component and a nozzle component, wherein the driving component is connected to the nozzle component, and the driving component drives the nozzle component to approach or move away from the ink roller.

8. The printing press ink roller cleaning system according to claim 7, characterized in that: The nozzle component includes a water storage part and a plurality of brush parts. The water storage part is connected to the brush part. The water storage part includes a cavity, a water inlet and a water outlet connected to the cavity. The water outlet is arranged between two adjacent brush parts.

9. The printing press ink roller cleaning system according to claim 1, characterized in that: The pipeline assembly also includes a fourth pipeline, a fifth pipeline, a sixth pipeline and a seventh pipeline. The clean water tank and the nozzle assembly are connected through the fourth pipeline. The fifth pipeline is connected between the cleaning agent tank and the fourth pipeline. The sixth pipeline is connected between the wastewater treatment device and the wastewater collection tank. The seventh pipeline is connected between the wastewater collection tank and the clean water tank. The control assembly also includes a fourth control valve, a fifth control valve, a sixth control valve and a seventh control valve. The fourth control valve is arranged on the fourth pipeline and is located between the clean water tank and the fifth pipeline. The fifth control valve is arranged on the fifth pipeline. The sixth control valve is arranged on the sixth pipeline. The seventh control valve is arranged on the seventh pipeline.

10. A method for treating wastewater from a printing press ink roller cleaning system, characterized in that: Using the printing press ink roller cleaning system as described in any one of claims 1 to 9, the method comprises: S1: driving the nozzle assembly to approach the ink roller so that the nozzle assembly abuts against the ink roller; S2: Control the fourth control valve and the fifth control valve to open, and the nozzle assembly sprays the cleaning liquid; S3: Control the second driving motor to drive the screw rod to rotate; S4: In the wastewater treatment mode, the first control valve and the third control valve are controlled to be opened, and the second control valve is controlled to be closed, so that the wastewater collected by the collection component flows through the first pipeline and is processed by the wastewater treatment device and then flows back to the clean water tank; in the wastewater collection mode, the first control valve and the third control valve are controlled to be closed, and the second control valve is controlled to be opened, so that the wastewater collected by the collection component flows through the second pipeline to the wastewater collection tank; In the wastewater treatment mode, wastewater enters the holding tank and flocculant is added, and the first drive motor is controlled to drive the agitator. The mixing element rotates, and the wastewater mixed with the flocculant is transported to the filter tank through the extended pipeline, and then enters the sedimentation tank after being processed by the filter component. After standing, the clean water enters the clean water tank and the sewage enters the storage tank.

Images