Paper humidifying mechanism

Abstract

The utility model relates to the technical field of paper towel production, in particular to a paper humidifying mechanism which comprises a rack, a spraying pipe is installed on the rack, conveyed paper passes through the upper portion of the spraying pipe, the length direction of the spraying pipe is perpendicular to the conveying direction of the paper, a liquid adding hole is formed in the side wall of the spraying pipe, and the liquid adding hole is communicated with the spraying pipe. The liquid adding holes are formed in the length direction of the spraying pipe, located in the upper portion of the spraying pipe and communicated with the interior of the spraying pipe, and liquid in the spraying pipe is sprayed to paper through the liquid adding holes. The paper towel humidifying device has the effect of relatively uniform humidifying in the paper towel production process.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of paper towel production, in particular to a paper moistening mechanism. BACKGROUND

[0002] In the paper towel production process, the paper towel can be moistened so as to have liquid on the paper towel, the liquid can have a disinfecting or cleaning effect, and skin care components can also be added to the liquid. After the paper towel is moistened, the use range of the paper towel can be increased. In the process of moistening the paper towel, a moistening mechanism needs to be used. The moistening mechanism sprays liquid on the surface of the paper towel during the transmission of the paper towel.

[0003] A wet tissue production non-woven fabric moistening device is disclosed in a patent document with the application number 2023219230565. The device includes a shell, a cloth guiding assembly, a liquid storage tank, and a spraying mechanism. The cloth guiding assembly is used to guide the wet tissue non-woven fabric. The spraying mechanism is installed on the shell and is used to spray liquid onto the wet tissue non-woven fabric. The liquid storage tank is fixed to the right end of the shell. The spraying mechanism includes a delivery pump, a connecting pipe, multiple groups of distribution pipes, and two groups of communication pipes. The delivery pump is fixed to the bottom of the rear end of the liquid storage tank. The output end of the delivery pump is connected to the connecting pipe. The connecting pipe is fixed to the rear end of the shell through a first fixing block. The other end of the connecting pipe is connected to the rear distribution pipe. The bottom end of the multiple groups of distribution pipes is provided with multiple groups of spraying heads. The adjacent two groups of distribution pipes are connected through the communication pipe. During use, the liquid in the multiple distribution pipes is delivered through the communication pipe and then sprayed out through the multiple groups of spraying heads on the distribution pipes, so that the liquid sprayed out by the spraying heads reaches the conveyed non-woven fabric.

[0004] However, in the above structure, the moistening process of the non-woven fabric by the multiple groups of spraying heads causes the sprayed liquid to form a circular area, thereby causing overlapping or incomplete moistening of the moistened area, resulting in uneven moistening. Content of the utility model

[0005] In order to moisten more evenly during the production of paper towels, the application provides a paper moistening mechanism.

[0006] The application provides a paper moistening mechanism, which adopts the following technical scheme:

[0007] A paper moistening mechanism includes a rack. A spraying pipe is installed on the rack. The paper passes above the spraying pipe. The length direction of the spraying pipe is perpendicular to the conveying direction of the paper. A liquid inlet hole is formed in the side wall of the spraying pipe. The liquid inlet hole is arranged in multiple along the length direction of the spraying pipe and is located at the upper part of the spraying pipe. The liquid inlet hole is in communication with the spraying pipe. The liquid in the spraying pipe is sprayed onto the paper through the liquid inlet hole.

[0008] By adopting the technical scheme, liquid for humidifying paper is introduced into the spray pipe, liquid holes are formed on the side wall of the spray pipe, the liquid holes are communicated with the inside of the spray pipe, liquid can be sprayed from the liquid holes and sprayed towards the paper, and when the paper passes, the liquid sprayed from the liquid holes can be uniformly sprayed on the surface of the paper.

[0009] Preferably, lifting assemblies are arranged at the two ends of the spray pipe, the lifting assemblies comprise vertically driven driving members, the driving members are fixed on the rack, and the two ends of the spray pipe are fixedly connected to the output end portions of the driving members, and the driving members are used to drive the vertical movement of the spray pipe.

[0010] By adopting the technical scheme, the two ends of the spray pipe are provided with vertically driven driving members, the vertically driven driving members can drive the spray pipe in the vertical direction, when it is necessary to humidify the paper, the driving members can move the spray pipe to a position close to the paper, and when the paper transmission stops, the driving members can move the spray pipe downward, so that the liquid sprayed by the spray pipe does not reach the paper, and over-humidification of the paper is avoided.

[0011] Preferably, the liquid holes are circular holes, the diameter of the liquid holes is 0.5-1.2 mm, and the distance between adjacent two liquid holes is 1.5-3 mm.

[0012] By adopting the technical scheme, the diameter of the liquid holes is 0.5-1.2 mm, and the distance between adjacent two liquid holes is 1.5-3 mm, so that the amount of liquid sprayed is appropriate, and the spray pipe can be filled with liquid, so that the liquid sprayed by the spray pipe is stable.

[0013] Preferably, an inner rod is arranged in the inside of the spray pipe, a plurality of sealing rings are arranged at intervals in the length direction of the inner rod, ring grooves are formed in the peripheral wall of the sealing rings, sealing rings for sealing are arranged in the ring grooves, a sealing cavity is formed between adjacent two sealing rings, connecting heads are fixedly arranged on the side wall of the spray pipe, and one connecting head corresponds to one sealing cavity.

[0014] By adopting the technical scheme, the inside of the spray pipe is provided with an inner rod, a plurality of sealing rings are arranged at intervals on the inner rod, a sealing cavity is formed between adjacent two sealing rings, the length direction of the spray pipe is divided, and then each connecting head corresponds to one sealing cavity, so that the connecting head individually introduces liquid into the sealing cavity, and the unevenness of the spraying amount caused by pressure changes along the length direction of the spray pipe is reduced.

[0015] Preferably, a flow control assembly is connected to the connecting head, the flow control assembly comprises a manually adjustable valve, the manually adjustable valve is communicated with the connecting head, and the liquid flow in the corresponding sealing cavity is adjusted through the manually adjustable valve.

[0016] By adopting the technical scheme, the flow control assembly is connected to the connecting head, and the flow control assembly comprises a manual regulating valve, when the staff observes the situation of the paper towel after being humidified, determines whether the paper towel humidification of the area corresponding to each sealed cavity is appropriate, and then adjusts the liquid flow in the sealed cavity through the corresponding manual regulating valve, so that the balanced state is achieved.

[0017] Preferably, a flow meter pipe is connected to the manual regulating valve, the flow meter pipe is vertically arranged, the lower end of the flow meter pipe is connected to the manual regulating valve, and the upper end of the flow meter pipe is communicated with the connecting head.

[0018] By adopting the technical scheme, the flow meter pipe is connected to the manual regulating valve, the index in the flow meter pipe can be observed during the adjustment of the manual regulating valve, the manual regulating valve is conveniently adjusted, and the current flow can also be observed.

[0019] Preferably, the end of the spraying pipe is provided with a flange plate, an adapter frame is connected to the flange plate, the adapter frame is used for detachable connection with the flange plate, and the inner rod is fixed to the adapter frame.

[0020] By adopting the technical scheme, the end of the spraying pipe is provided with the flange plate, the adapter frame is detachably connected to the spraying pipe through the flange plate, when the spraying pipe needs to be cleaned due to long-time use, the adapter frame is detached from the flange plate, then the inner rod is extracted from the spraying pipe, and the spraying pipe can be cleaned.

[0021] Preferably, the inner rod is provided with two inner rods, and the two inner rods are respectively inserted into the spraying pipe from two ends of the spraying pipe.

[0022] By adopting the technical scheme, the inner rod is provided with two inner rods, when the spraying pipe needs to be cleaned, the inner rod can be extracted from the two ends of the spraying pipe, the length of the inner rod is reduced, and the inner rod is convenient to take out.

[0023] Preferably, a liquid receiving groove is arranged below the spraying pipe, the upper part of the liquid receiving groove is open, and a liquid discharge port is arranged in the bottom of the liquid receiving groove.

[0024] By adopting the technical scheme, the liquid receiving groove is arranged below the spraying pipe, and the upper part of the liquid receiving groove is open, when the spraying pipe sprays more liquid to the paper or the liquid not contacting the paper falls down, the liquid can be collected into the liquid receiving groove from the opening of the upper part of the liquid receiving groove. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a use state schematic diagram of the embodiment of the application;

[0026] Figure 2 is a structure schematic diagram of the spraying pipe in the embodiment of the application;

[0027] Figure 3is a schematic view of the position of the inner rod in the embodiment of the present application;

[0028] Figure 4 is Figure 3 is a partial enlarged schematic view of part A in the embodiment of the present application.

[0029] Reference signs: 1, spray pipe; 11, connecting head; 12, liquid adding hole; 13, flange plate; 2, flow control assembly; 21, manual regulating valve; 22, flowmeter pipe; 3, liquid receiving groove; 31, liquid discharge port; 4, traction roller; 5, cutter roller; 6, lifting assembly; 61, driving member; 62, mounting seat; 7, inner rod; 71, sealing ring; 72, ring groove; 73, sealing ring; 74, sealing cavity; 8, adapter frame; 9, rack. DETAILED DESCRIPTION

[0030] The following will be described in detail in combination with the accompanying Figures 1-4 The present application will be further described in detail.

[0031] The embodiment of the present application discloses a paper humidifying mechanism, which is arranged on a transmission path of paper towel, and refers to Figure 1 , comprising a spray pipe 1 and a flow control assembly 2, the flow control assembly 2 is used for being connected to the spray pipe 1, liquid used for humidification is subjected to flow control through the flow control assembly 2, and then enters the spray pipe 1. A liquid receiving groove 3 is arranged below the spray pipe 1, an upper portion of the liquid receiving groove 3 is open, so that liquid remaining after the spray pipe 1 humidifies the paper towel falls into the liquid receiving groove 3 for recycling, a liquid discharge port 31 can be arranged at the bottom of the liquid receiving groove 3, the liquid discharge port 31 is used for discharging the liquid collected in the liquid receiving groove 3, and a connecting pipe can be mounted on the liquid discharge port 31. A traction roller 4 and a cutter roller 5 are further arranged on the transmission path of the paper towel, the traction roller 4, the spray pipe 1 and the cutter roller 5 are arranged in sequence along the transmission path of the paper towel, the traction roller 4 is used for traction of the paper towel, and the cutter roller 5 is used for cutting the conveyed paper towel to form a breakpoint and keep conveying.

[0032] Reference Figure 2 , the spray pipe 1 is arranged perpendicularly to the conveying direction of the paper towel, lifting assemblies 6 are arranged at both ends of the spray pipe 1, the lifting assemblies 6 are connected to the rack 9, a plurality of connecting heads 11 are uniformly arranged in sequence along the length direction of the spray pipe 1 at the middle portion of the spray pipe 1, one connecting head 11 corresponds to one flow control assembly 2, so that the flow control assembly 2 controls the flow at each connecting head 11 respectively.

[0033] The side wall of the spray pipe 1 is provided with a liquid adding hole 12. The liquid adding hole 12 is a circular hole, the diameter of the liquid adding hole is 0.5-1.2 mm, and the distance between two adjacent liquid adding holes is 1.5-3 mm. The distance between two adjacent liquid adding holes is small, so that the strength of the spray pipe 1 is improved, and the spray pipe 1 is not easily broken due to the large liquid adding hole 12. At the same time, the distance between two adjacent liquid adding holes is small, so that a large area is left between the two adjacent liquid adding holes, and liquid cannot be sprayed.

[0034] The lifting assembly 6 includes a driving member 61 and a mounting seat 62. The driving member 61 is a hydraulic cylinder or an air cylinder. The driving member 61 is vertically arranged to drive the spray pipe 1 to move in the vertical direction. The mounting seat 62 is fixed to the output end of the driving member 61 by bolts. One mounting seat 62 is arranged at each end of the spray pipe 1. The mounting seat 62 is connected to the driving member 61. Only one liquid adding hole 12 is arranged on the spray pipe 1 along the peripheral wall of the spray pipe 1. The liquid adding hole 12 is located above the spray pipe 1. When the paper passes above the spray pipe 1 during the paper conveying process, the liquid sprayed from the liquid adding hole 12 hits the paper from bottom to top. The paper is arranged tangentially to the side wall of the spray pipe 1. Therefore, the distance between the liquid sprayed from the liquid adding hole 12 and the paper is reduced, the splashing is reduced, and the pressure requirement of the liquid is reduced. When the paper conveying stops, the driving member 61 drives the mounting seat 62 to move downward. The liquid sprayed from the spray pipe 1 directly falls into the liquid receiving groove 3, and does not spray on the paper. Therefore, the problem of excessive liquid addition caused by the paper stoppage is avoided.

[0035] Reference Figure 3 And Figure 4 An inner rod 7 is arranged in the spray pipe 1. The inner rod 7 is located in the center of the spray pipe 1. A plurality of sealing rings 71 are arranged at intervals along the length direction of the inner rod 7. A ring groove 72 is arranged on the peripheral wall of the sealing ring 71. A sealing ring 73 is arranged in the ring groove 72. The sealing ring 73 is used to seal between the sealing ring 71 and the inner wall of the spray pipe 1. The positions between two adjacent sealing rings 71 form a sealing cavity 74. The number of sealing cavities 74 arranged along the length direction of the spray pipe 1 is equal to the number of the connecting heads 11. Each connecting head 11 is located in the middle position of the sealing cavity 74. Each connecting head 11 is in communication with each sealing cavity 74. Each liquid adding hole 12 corresponding to each sealing cavity 74 can be used to humidify the corresponding paper width. When the humidification degree of the corresponding paper is not appropriate, the flow control assembly 2 can be used for adjustment. Figure 1 The flow control assembly 2 includes a manual regulating valve 21 and a flow meter pipe 22. The flow meter pipe 22 is vertically arranged. The upper end of the flow meter pipe 22 is connected to the connecting head 11 through a pipeline. The lower end of the flow meter pipe 22 is connected to the manual regulating valve 21. The manual regulating valve 21 is used to regulate the flow. The size of the regulation can be observed through the flow meter pipe 22.

[0036] Reference Figure 3 In the end of the spray pipe 1 is provided with a flange 13, the mounting seat 62 is provided with an adapter 8, one end of the adapter 8 is fixed on the mounting seat 62, the other end is fixedly connected with the inner rod 7, the end of the adapter 8 provided with the inner rod 7 is also provided with a flange 13, the adapter 8 and the spray pipe 1 are fixedly connected through the two flanges 13, and the end of the spray pipe 1 is sealed. Since impurities may be left in the spray pipe 1 after long-term use and need to be cleaned, the position connected by the flange 13 is disassembled, the bolt at the connection between the mounting seat 62 and the driving part 61 is disassembled, so that the inner rod 7 can be pulled out along the length direction of the spray pipe 1, and after being pulled out, the inside of the spray pipe 1 can be cleaned. The two ends of the spray pipe 1 are respectively inserted into the inner rod 7, and the ends of the two inner rods 7 away from the mounting seat 62 are respectively inserted into the middle of the spray pipe 1, so that the two inner rods 7 can be pulled out from the two ends of the spray pipe 1, and the inner rod 7 is convenient to take out from the spray pipe 1.

[0037] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A paper moistening mechanism comprising a frame (9), characterized in that: The rack (9) is provided with a spraying pipe (1), the paper is conveyed above the spraying pipe (1), the length direction of the spraying pipe (1) is perpendicular to the conveying direction of the paper, a liquid inlet hole (12) is formed in the side wall of the spraying pipe (1), a plurality of liquid inlet holes (12) are arranged along the length direction of the spraying pipe (1), and the liquid inlet holes (12) are located at the upper part of the spraying pipe (1), the liquid inlet hole (12) is communicated with the spraying pipe (1), and the liquid in the spraying pipe (1) is sprayed on the paper through the liquid inlet hole (12).

2. The paper moistening mechanism according to claim 1, characterized in that: The lifting assembly (6) is arranged at the two ends of the spraying pipe (1), the lifting assembly (6) comprises a vertical driving driving piece (61), the driving piece (61) is fixed on the rack (9), and the two ends of the spraying pipe (1) are fixedly connected to the output end of the driving piece (61); the driving piece (61) is used for driving the vertical movement of the spraying pipe (1).

3. The paper moistening mechanism according to claim 1, wherein: The liquid inlet hole (12) is a circular hole, the diameter of the liquid inlet hole (12) is 0.5-1.2mm, and the distance between adjacent two liquid inlet holes (12) is 1.5-3mm.

4. The paper moistening mechanism according to claim 1, wherein: The inside of the spraying pipe (1) is provided with an inner rod (7), a plurality of sealing rings (71) are arranged at intervals in the length direction of the inner rod (7), a ring groove (72) is formed in the peripheral wall of the sealing ring (71), a sealing ring (73) for sealing is arranged in the ring groove (72), a sealing cavity (74) is formed between adjacent two sealing rings (71), and a connecting head (11) is fixedly arranged on the side wall of the spraying pipe (1). One connecting head (11) is arranged corresponding to one sealing cavity (74).

5. The paper moistening mechanism according to claim 4, wherein: The connecting head (11) is connected with a flow control assembly (2), the flow control assembly (2) comprises a manual regulating valve (21), the manual regulating valve (21) is communicated with the connecting head (11), and the liquid flow in the corresponding sealing cavity (74) is adjusted through the manual regulating valve (21).

6. A paper moistening mechanism according to claim 5, wherein: The manual regulating valve (21) is connected with a flowmeter pipe (22), the flowmeter pipe (22) is vertically arranged, the lower end of the flowmeter pipe (22) is connected with the manual regulating valve (21), and the upper end of the flowmeter pipe (22) is communicated with the connecting head (11).

7. The paper moistening mechanism according to claim 4, wherein: The end of the spraying pipe (1) is provided with a flange plate (13), the flange plate (13) is connected with an adapter frame (8), the adapter frame (8) is used for being detachably connected with the flange plate (13), and the inner rod (7) is fixed on the adapter frame (8).

8. The paper moistening mechanism according to claim 7, characterized in that: The inner rod (7) is provided with two inner rods (7), and the two inner rods (7) are respectively inserted into the spraying pipe (1) from the two ends of the spraying pipe (1).

9. The paper moistening mechanism according to claim 1, wherein: The lower part of the spraying pipe (1) is provided with a liquid receiving groove (3), the upper part of the liquid receiving groove (3) is open, and a liquid discharge port (31) is formed in the bottom of the liquid receiving groove (3).

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