Pulp recycling device of paper pasting machine
By designing a combined filtration system of splitter plate and filter plate on the paper paste machine, the problems of slurry waste and pollution are solved, and the rapid filtration and reuse of slurry water are achieved, and the production efficiency and cardboard quality are improved.
Patent Information
- Application Number
- CN202422451559.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-10-10
AI Technical Summary
During the working process of existing paper paste machines, slurry water is seriously wasted, and the reuse of unfiltered slurry water will lead to nozzle blockage and cardboard contamination, affecting production costs and quality.
A slurry water recycling device of paper paste is designed, including a recycling tank, a splitter plate and a filter plate. It is filtered through a combination of the splitter plate and a filter plate to extend the flow distance of the slurry water, separate the slurry water from impurities, and control the water pump to pump the slurry water to the nozzle using a water level sensor to achieve rapid filtration and reuse.
It realizes rapid filtration and reuse of slurry water, prevents blockage, improves slurry water recycling efficiency and cardboard manufacturing quality, and reduces production costs and environmental pollution.
Smart Images

Figure CN223147880U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of carton processing, and particularly relates to a device for recycling pulp water of a paper pasting machine. Background Art
[0002] A paper pasting machine is a machine that applies glue to paper or cardboard sheets and folds them. According to the degree of automation, it can be divided into a fully automatic paper pasting machine and a semi-automatic paper pasting machine. The feeding, gluing, folding, and discharging of the fully automatic paper pasting machine are all fully automated operations. The semi-automatic paper pasting machine can only achieve the gluing and conveying of cardboard sheets, and the feeding, folding, and pressing after folding are all completed by workers. During the working process of the existing paper pasting machine, part of the pulp water sprayed onto the cardboard is used for cardboard processing, and part of it flows from the tabletop of the paper pasting machine to the ground, which not only causes waste of pulp water, leading to an increase in production costs, but also pollutes the production environment.
[0003] The Chinese utility model with the authorization announcement number CN 214646254 U discloses a device for recycling and circulating pulp water of a paper pasting machine, including a paper pasting machine. A bracket is arranged on the paper pasting machine, and a pulp water spraying machine is installed on the bracket. The upper surface of the paper pasting machine is provided with a tabletop of the paper pasting machine, and the pulp water spraying machine is opposite to the tabletop of the paper pasting machine. A pulp water collection tank is arranged at the bottom of the paper pasting machine. A buoyancy ball is arranged in the pulp water collection tank. A pressure control transmission device is arranged at the top of the pulp water collection tank. A transmission rod is arranged between the buoyancy ball and the pressure control transmission device. A pulp water pump is arranged outside the pulp water collection tank. A transmission pipe is arranged on the pulp water pump, and the other end of the transmission pipe is connected to the pulp water spraying machine. A signal line is arranged between the pulp water pump and the pressure control transmission device.
[0004] However, the existing technology has the following problems: There are waste paper scraps and dust on the paper pasting machine, which fall into the collection tank together with the pulp water. The reuse of the pulp water without filtration treatment will not only cause blockage of the nozzles of the spraying machine, but also the tiny dust will fall onto the cardboard, resulting in pollution of the cardboard and unqualified quality. Summary of the Utility Model
[0005] The purpose of the utility model is to provide a device for recycling pulp water of a paper pasting machine, which has the effects of rapid filtration, preventing blockage, improving the recycling efficiency of pulp water, and the quality of cardboard manufacturing.
[0006] The above technical object of the utility model is achieved by the following technical solutions: A pulp water recycling device for a paper pasting machine, which includes a bracket. Above the bracket, there is a paper pasting machine, and below it, there is a recovery tank. On the inner side wall of the recovery tank, there is a water level sensor, and at the bottom, there is a water outlet. Above the water level sensor, there is a filtering component. The filtering component includes a diversion plate. On both sides of the bottom of the diversion plate, there are filter plates. There are grooves on both sides of the recovery tank. The filter plates are inclined and the tails are restricted in the grooves. At the connection between the recovery tank and the tails of the filter plates, there is a slag outlet, and at the slag outlet, there is a sealing plate. The water outlet is connected to a water pump. On the bracket, there are multiple pulp water spray nozzles. The water pump and the pulp water spray nozzles are connected through a water inlet pipe.
[0007] By adopting the above technical solutions, the excess pulp water flows from the paper pasting machine table into the recovery tank. First, part of it flows onto the diversion plate and then from the diversion plate to the filter plates at both ends, and part directly falls onto the filter plates, dividing the pulp water into two parts for filtration, extending the flow distance of part of the pulp water, and avoiding the slowdown of the filtration speed caused by all the pulp water falling onto the filter plates at once. When the pulp water flows from top to bottom on the filter plates, it is filtered. After being filtered, the pulp water flows into the recovery tank and is collected. When it accumulates to the position of the water level sensor, the water pump starts, and the collected pulp water is pumped through the water inlet pipe at the water outlet and sprayed onto the cardboard through the pulp water spray nozzles, realizing the filtration and reuse of the pulp water. And the impurities remain on the upper surface of the filter plate. When a certain amount accumulates, the sealing plate is opened, and the impurities are cleared out from the slag outlet, which is convenient for cleaning.
[0008] The further setting of the utility model is that the diversion plate is hinged to the filter plates, and the two filter plates are connected by a spring.
[0009] By adopting the above technical solutions, when it is necessary to take out the filter plates for cleaning or replacement, just lift the upper part of the diversion plate and squeeze the two filter plates to make the two filter plates approach each other, then the diversion plate and the filter plates can be disassembled from the filter tank together for cleaning, and the filter plates are convenient to clean.
[0010] The further setting of the utility model is that a placement groove is fixedly provided on the outer wall of the recovery tank, and a brush is placed in the placement groove, and the brush is used to clean the filter plates.
[0011] The further setting of the utility model is that a plurality of water filtering holes are opened at the bottom of the placement groove.
[0012] By adopting the above technical solutions, when cleaning the impurities on the surface of the filter plates, use the brush to sweep the filter residues to the slag outlet and sweep them out. After cleaning, place the brush in the placement groove for storage. A plurality of water filtering holes are opened at the bottom of the placement groove, which can filter the water on the surface of the brush to keep it dry and play a role in protecting the brush.
[0013] The further setting of the utility model is that the pulp water spray nozzles are arranged facing the paper pasting machine table.
[0014] By adopting the above technical solution, it is ensured that the filtered pulp water is accurately sprayed onto the cardboard on the paper pasting machine through the pulp water nozzle, avoiding waste.
[0015] A further setting of the present utility model is: it further includes a control system, and the water pump and the water level sensor are both connected to the control system.
[0016] By adopting the above technical solution, when the pulp water in the recovery tank accumulates to the position of the water level sensor, the control system controls the opening of the water pump after receiving the signal from the water level sensor; when the pulp water in the recovery tank is lower than the position of the water level sensor, the control system controls the closing of the water pump after receiving the signal from the water level sensor.
[0017] A further setting of the present utility model is: a sealing gasket is provided at the abutting position between the sealing plate and the slag outlet.
[0018] By adopting the above technical solution, the setting of the sealing gasket ensures the sealing performance of the recovery tank and prevents the leakage of pulp water.
[0019] A further setting of the present utility model is: a handle is provided on the outer wall of the sealing plate.
[0020] By adopting the above technical solution, the setting of the handle facilitates the opening and closing of the sealing plate.
[0021] A further setting of the present utility model is: a lifting handle is provided on the top of the shunt plate.
[0022] By adopting the above technical solution, the setting of the lifting handle facilitates lifting the shunt plate and the filter plate together upward for disassembly.
[0023] A further setting of the present utility model is: the included angle between the filter plate and the shunt plate is 120°.
[0024] The beneficial effects of the present utility model are: a filtering component is provided. When the excess pulp water flows from the paper pasting machine table into the recovery tank, first part of it flows onto the shunt plate and then from the shunt plate to the filter plates at both ends, and part directly falls onto the filter plates. The pulp water is divided into two parts for filtering, extending the flow distance of part of the pulp water and avoiding the slowdown of the filtering speed caused by all the pulp water falling onto the filter plates at one time, enabling rapid filtering and preventing blockage; when the pulp water flows downward on the filter plates, it is filtered and then flows into the recovery tank to be collected. When it accumulates to the position of the water level sensor, the water pump starts, and the collected pulp water is pumped through the water inlet pipe at the water outlet and then sprayed onto the cardboard through the pulp water nozzle, realizing the filtering and recycling of the pulp water, improving the recycling efficiency of the pulp water and the manufacturing quality of the cardboard. The impurities remain on the upper surface of the filter plate. When they accumulate to a certain amount, the sealing plate is opened, and the impurities are cleared out from the slag outlet, which is convenient for cleaning. Description of the Drawings
[0025] To more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.
[0026] Figure 1 It is a schematic diagram of the overall structure of the present utility model.
[0027] Figure 2 It is a schematic diagram of the overall structure of the present utility model from another angle.
[0028] Figure 3 It is a schematic diagram of the filtering component of the present utility model.
[0029] In the figure, 1 is a bracket; 2 is a recovery tank; 21 is a groove; 3 is a water level sensor; 4 is a water outlet; 5 is a filtering component; 51 is a flow dividing plate; 52 is a filter plate; 6 is a slag outlet; 7 is a sealing plate; 8 is a water pump; 9 is a pulp water spray head; 10 is a water inlet pipe; 11 is a spring; 12 is a placement groove; 121 is a water filtering hole; 13 is a brush; 14 is a control system; 15 is a handle; 16 is a lifting handle. Specific embodiments
[0030] The following will clearly and completely describe the technical solutions of the present utility model in combination with specific embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.
[0031] Embodiment, a pulp water recycling device for a paper pasting machine, as Figures 1-3 shown, including a bracket 1 with a paper pasting machine (not shown in the figure) above and a recovery tank 2 below. Among them, the inner side wall of the recovery tank 2 is provided with a water level sensor 3, the bottom is provided with a water outlet 4, both side walls are provided with grooves 21, a water pump 8 is provided at the water outlet 4, the outlet of the water pump 8 is connected to a pulp water spray head 9 through a water inlet pipe 10, a plurality of pulp water spray heads 9 are provided and are all arranged towards the table surface of the paper pasting machine. The filtering component 5 including a flow dividing plate 51 and two filter plates 52 is arranged above the water level sensor 3. Among them, the filter plates 52 are respectively hinged to both sides of the bottom of the flow dividing plate 51, and the angle between the two filter plates 52 is 120 degrees and they are connected by a spring 11. The tail end of the filter plate 52 is restricted in the groove 21. A slag outlet 6 is opened at the connection between the recovery tank 2 and the tail end of the filter plate 52, and a sealing plate 7 is provided at the slag outlet 6. A sealing gasket is provided at the contact between the sealing plate 7 and the slag outlet 6. A placement groove 12 fixed on the outer wall of the recovery tank 2 and containing a brush 13, and a control system 14 connecting the water pump 8 and the water level sensor 3.
[0032] Its working principle is as follows: The pulp water is sprayed onto the cardboard, and the excess pulp water flows into the recovery tank 2 from the surface of the paper pasting machine table. A part of it flows onto the diversion plate 51 and then flows to the filter plates 52 at both ends through the diversion plate 51, and the other part directly falls onto the filter plates 52. The pulp water can be divided into two parts for filtration, extending the flow distance of part of the pulp water, avoiding the slowdown of the filtration speed caused by all the pulp water falling onto the filter plate at one time, enabling rapid filtration and preventing the filter plates 52 from being blocked; when the pulp water flows downward on the filter plates 52, it is filtered, and after being filtered, the pulp water flows into the recovery tank 2 and is collected; when it accumulates to the position of the water level sensor, the water pump 8 is started, and the collected pulp water is pumped through the water inlet pipe 10 at the water outlet 4 and then sprayed onto the cardboard through the pulp water spray head 9, realizing the filtration and recycling of the pulp water, improving the recycling efficiency of the pulp water and the manufacturing quality of the cardboard. The impurities remain on the upper surface of the filter plate. When a certain amount accumulates, the sealing plate 7 is opened, and the impurities are cleaned out from the slag outlet 6 by using the brush 13, which is convenient for cleaning.
[0033] Specifically, a handle 15 is provided on the outer wall of the sealing plate 7, which is convenient for opening and closing the sealing plate 7.
[0034] Specifically, a handle 16 is provided at the top of the diversion plate 51, which is convenient for lifting out the diversion plate 51 to clean the filter plates 52.
Claims
1. A pulp water recycling device for a paper pasting machine, characterized in that: It includes a bracket (1), above which there is a paper pasting machine and below which there is a recovery tank (2). On the inner side wall of the recovery tank (2), there is a water level sensor (3), and at the bottom, there is a water outlet (4). Above the water level sensor (3), there is a filtering component (5). The filtering component (5) includes a flow dividing plate (51), and on both sides of the bottom of the flow dividing plate (51), there are filter plates (52). On both sides of the recovery tank (2), there are grooves (21). The filter plates (52) are inclined and the tails are restricted in the grooves (21). At the connection between the recovery tank (2) and the tails of the filter plates (52), there is a slag outlet (6). At the slag outlet (6), there is a sealing plate (7). The water outlet (4) is connected to a water pump (8). On the bracket (1), there are multiple slurry water spray nozzles (9). The water pump (8) and the slurry water spray nozzles (9) are connected through a water inlet pipe (10).
2. The pulp water recycling device of a paper pasting machine according to claim 1, wherein: The flow dividing plate (51) is hinged to the filter plates (52), and the two filter plates (52) are connected by a spring (11).
3. The pulp water recycling device of a paper pasting machine according to claim 1, characterized in that: On the outer wall of the recovery tank (2), there is a placement groove (12) which contains a brush (13) for cleaning the filter plates (52).
4. A pulp water recycling device for a paper pasting machine according to claim 1, characterized in that: The slurry water spray nozzles (9) are arranged facing the table surface of the paper pasting machine.
5. The pulp water recycling device of a paper pasting machine according to claim 1, wherein: It also includes a control system (14). The water pump (8) and the water level sensor (3) are both connected to the control system (14).
6. The pulp water recycling device of a paper pasting machine according to claim 1, characterized in that: At the contact between the sealing plate (7) and the slag outlet (6), there is a sealing gasket.
7. The pulp water recycling device of a paper pasting machine according to claim 1, wherein: On the outer wall of the sealing plate (7), there is a handle (15).
8. The pulp water recycling device of a paper pasting machine according to claim 1, characterized in that: On the top of the flow dividing plate (51), there is a lifting handle (16).
9. The pulp water recycling device of a paper pasting machine according to claim 1, characterized in that: The included angle between the filter plate (52) and the flow dividing plate (51) is 120°.
10. The pulp water recycling device for a paper pasting machine according to claim 3, characterized in that: At the bottom of the placement groove (12), there are multiple water filtering holes (121).