CN219706298U

CN219706298U - Humidifying device of paper rod manufacturing machine

Info

Publication number: CN219706298U
Application number: CN202322253272.XU
Authority: CN
Inventors: 周小军; 饶淑琴; 李春明; 刘永辉; 刘海忠
Original assignee: Shantou Jiahong Paper Products Co ltd
Current assignee: Shantou Jiahong Paper Products Co ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2023-09-19
Anticipated expiration: 2033-08-22

Abstract

The utility model discloses a humidifying device of a paper rod manufacturing machine, which comprises a frame, a first transmission belt, a second transmission belt, a first driving mechanism for driving the first transmission belt to circularly drive and a second driving mechanism for driving the second transmission belt to circularly drive, wherein the first driving mechanism and the second driving mechanism are arranged on the frame, the first transmission belt and the second transmission belt are arranged up and down and are crossed, and a gap is reserved between the first transmission belt and the second transmission belt; the humidifying device comprises a water tank, a water guide pipe and a switch valve capable of controlling the water flow of the water guide pipe, the water tank is arranged on the frame and above the first transmission belt, a water inlet of the water guide pipe is connected with the bottom of the water tank, and a water outlet of the water guide pipe is arranged above the first transmission belt and faces the upper belt surface of the first transmission belt; the switch valve is arranged on the water guide pipe. The humidifying device of the paper rod manufacturing machine can indirectly moisten the surface of the paper cylinder, enhances the adhesiveness of the surface of the paper cylinder, and is convenient for the side edge of the paper tape to be continuously wound and attached on the paper cylinder.

Description

Humidifying device of paper rod manufacturing machine

Technical Field

The utility model relates to an auxiliary mechanism for forming paper sticks, in particular to a humidifying device of a paper stick manufacturing machine.

Background

At present, most of lollipop bodies and solid fragrant bodies adopt plastic bars or wooden bars, but in order to prevent a great deal of pollution to the environment, some manufacturers adopt degradable and recyclable paper bars to replace the plastic bars or the wooden bars.

The paper rod can be manufactured by a paper rod manufacturing machine by winding and rubbing paper tapes into a paper cylinder, and then rolling the paper cylinder into a solid paper rod. For example, the utility model patent with the authorized bulletin number of CN102514238B and the authorized bulletin day of 2013, month 06 and 05 discloses a paper rod manufacturing machine which comprises a frame, a paper tape unreeling mechanism, a paper roll device, a gluing device, a power mechanism, a paper roll cutting device, a paper roll section conveying device and a paper rod forming device; the paper tape unreeling mechanism, the paper roll device, the paper roll section cutting device, the paper roll section conveying device and the paper rod forming device are sequentially arranged on the frame, and the paper roll device, the paper roll section cutting device, the paper roll section conveying device, the paper rod forming device and the gluing device are in transmission connection with the power mechanism; the paper roll device comprises a paper feeding platform, a rolling mechanism, a shaping roller, a guide roller and a compaction traction mechanism which are arranged on the frame; the winding mechanism, the shaping roller, the guide roller and the compaction traction mechanism are sequentially arranged, the shaping roller is vertically arranged on the paper feeding platform, and the guide roller is vertically arranged on the frame; the winding mechanism comprises a winding block and a lateral thrust roller, the winding block is adsorbed on the surface of the paper feeding platform, and the lateral thrust roller is vertically arranged on the paper feeding platform and is positioned between the winding block and the shaping roller; the compaction traction mechanism comprises a first driving belt, a second driving belt, a first driving mechanism for driving the first driving belt to circularly drive and a second driving mechanism for driving the second driving belt to circularly drive, wherein the first driving belt and the second driving belt are arranged one above the other and are crossed, a gap is reserved between the first driving belt and the second driving belt, and the first driving mechanism and the second driving mechanism are arranged on the frame and are in transmission connection with the power mechanism; the gluing device is arranged on the frame and is positioned between the shaping roller and the lateral thrust roller.

The working process of the paper rod manufacturing machine is as follows: firstly, a paper roll is arranged on a paper roll placing mechanism, a small section of the front part of a paper tape is rubbed into a paper roll by hands, then the paper tape sequentially passes through a lateral thrust roller, a shaping roller and a guide roller, one end of the rubbed paper roll is fed into a gap between a first driving belt and a second driving belt, and two opposite surfaces of the first driving belt and the second driving belt clamp the paper roll; then placing a winding block at the corresponding position of the paper tape, namely pressing the paper tape on the surface of the paper feeding platform by the winding block; then starting the power mechanism, enabling the first driving mechanism and the second driving mechanism to work, enabling two opposite surfaces of the first driving belt and the second driving belt to drive forwards, enabling the upper side and the lower side of the paper cylinder to be respectively subjected to first friction force and second friction force of the first driving belt and the second driving belt, enabling the first friction force to be decomposed into a first forward component and a first lateral component, enabling the second friction force to be decomposed into a second forward component and a second lateral component, enabling the first lateral component and the second lateral component to be opposite in direction, enabling the first friction force and the second friction force to act on the upper side and the lower side of the paper cylinder respectively, enabling the paper cylinder to be rubbed tightly, enabling the first forward component and the second forward component to be identical in direction, and pulling the paper cylinder to advance one above the other; the paper tape at the rear is pulled to be conveyed forwards by the paper cylinder, so that the paper tape unreeling mechanism passively releases the paper tape; along with the forward conveying of the paper tape, at the winding block, the rear part of the paper tape is wide, the front part of the paper tape is narrow due to the cooperation of the winding block and the lateral thrust roller, the lateral thrust roller applies lateral thrust to the rolled paper tape, so that the paper tape is wound to the other side in the forward conveying process, the glue coating device coats glue on the upper surface of the paper tape, the paper tape is formally wound into a paper tube at the shaping roller, and then the paper tube is straightened by the guide roller and is sent into a gap between the first transmission belt and the second transmission belt to be twisted and pulled forwards, thereby realizing the automatic continuous conveying of the paper tape, and the paper tape is wound into the paper tube in a spiral winding mode; after being coiled and rubbed into a paper tube, the paper tube is cut into paper tube sections by a paper tube cutting device, and then the paper tube sections are sent into a paper rod forming device by a paper tube section conveying device to be finally formed, and the paper tube sections are rolled into solid paper rods with the constant diameter and polished surfaces. However, in the actual rubbing process of the paper tube, the surface of the paper tube is dry and has low viscosity, so that the opposite surface of the first transmission belt is difficult to continuously wind and attach the side edge of the paper tape on the paper tube, the surface of the paper tube is easy to generate wrinkles, and the smoothness of the surface of the paper tube cannot be ensured.

Disclosure of Invention

The utility model aims to solve the problem of providing a humidifying device of a paper rod manufacturing machine, which can indirectly wet the surface of a paper cylinder, enhance the adhesiveness of the surface of the paper cylinder and facilitate the continuous winding and attaching of the side edges of paper tapes on the paper cylinder.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the humidifying device of the paper rod manufacturing machine comprises a frame, a first driving belt, a second driving belt, a first driving mechanism for driving the first driving belt to circularly drive and a second driving mechanism for driving the second driving belt to circularly drive, wherein the first driving mechanism and the second driving mechanism are arranged on the frame, the first driving belt and the second driving belt are arranged one above the other and are crossed, and a gap is reserved between the first driving belt and the second driving belt; the method is characterized in that: the humidifying device comprises a water tank, a water guide pipe and a switch valve capable of controlling the water guide pipe to flow, the water tank is arranged on the frame and is positioned above the first driving belt, a water inlet of the water guide pipe is connected with the bottom of the water tank, and a water outlet of the water guide pipe is positioned above the first driving belt and faces the upper belt surface of the first driving belt; the switch valve is arranged on the water guide pipe.

When the device works, a proper amount of clear water is added into the water tank, the switching valve on the water guide pipe is moderately opened, so that the clear water in the water tank flows from top to bottom along the water guide pipe, the clear water is dripped on the upper belt surface of the first transmission belt through the water outlet of the water guide pipe, one end of the paper drum which is rubbed into the paper drum is fed into a gap between the first transmission belt and the second transmission belt, and the lower belt surface of the first transmission belt and the upper belt surface of the second transmission belt clamp the paper drum; then, drive first actuating mechanism and second actuating mechanism work, make the lower area face of first conveyer belt and the upper area face of second conveyer belt all forward transmission, in the transmission process of first conveyer belt, moist first conveyer belt upper area face can become the lower area face of first conveyer belt by the transmission, make the moisture of first conveyer belt lower area face fully contact with the surface of fiber container in the transmission process, wet the surface of fiber container, strengthen the viscidity on fiber container surface, under the transmission of the upper area face of first conveyer belt lower area face and second conveyer belt, make the side edge of paper tape can continue winding laminating on moist fiber container surface, prevent that the surface of fiber container from producing the fold, guarantee the surface smoothness of fiber container.

In the preferred scheme, humidification device still includes supplementary cloth, and the outer end of supplementary cloth is fixed in the frame to supplementary cloth is followed the upper band face direction of delivery of upper band face of first drive belt tiling is on the upper band face of first drive belt, the delivery port of aqueduct is in the top of supplementary cloth. Firstly, the clear water at the water outlet of the water guide pipe is dropped on the auxiliary cloth strip, so that the auxiliary cloth strip is fully wetted, and then the auxiliary cloth strip indirectly humidifies the upper belt surface of the first transmission belt, so that the humidifying area on the upper belt surface of the first transmission belt is relatively uniform.

In the preferred scheme, the humidifying device further comprises a positioning block and a moving mechanism capable of moving the water outlet position of the water guide pipe, the moving mechanism is arranged on the frame and is positioned above the first transmission belt, the power output direction of the moving mechanism is in a horizontal direction, the positioning block is arranged at the power output end of the moving mechanism, at least one positioning hole which runs up and down is arranged on the positioning block, the water guide pipe penetrates through the positioning hole, and the water outlet of the water guide pipe is positioned below the positioning hole. When the first driving mechanism and the second driving mechanism stop working, the moving mechanism drives the positioning block to move to the outer side above the first driving belt, and then drives the water outlet of the water guide pipe on the positioning block to deviate from the upper side of the first driving belt, so that clear water in the water outlet of the water guide pipe cannot drop on the upper belt surface of the first driving belt, and the phenomenon that water drops on the upper belt surface of the first driving belt are deposited too much to influence the next paper rolling drum is prevented. When the paper tube is to be rolled next time, the moving mechanism is driven to drive the positioning block to move above the first driving belt, so that the water outlet of the water guide pipe is positioned above the first driving belt again.

In a further preferable scheme, the moving mechanism is an air cylinder, the air cylinder is mounted on the frame, and the positioning block is mounted on the tail end of a piston rod of the air cylinder. The piston rod of the air cylinder drives the positioning block to extend out of the upper side of the first driving belt, and then the water outlet of the water guide pipe on the positioning block is driven to deviate from the upper side of the first driving belt. Of course, the moving mechanism can also be a motor, a gear, a rack and a slide rail

In a still further preferred scheme, the humidifying device further comprises a drainage tube, the drainage tube is arranged on the frame and is positioned at one side of the tail end of the piston rod of the air cylinder, the water inlet of the drainage tube is positioned below the water outlet of the water guide tube and is correspondingly matched with the water outlet of the water guide tube, the water outlet of the drainage tube is positioned on the outer side above the first driving belt, and the drainage tube gradually inclines downwards from the water inlet to the water outlet. When the piston rod of the air cylinder drives the positioning block to extend to the outer side above the first driving belt, the water outlet of the water guide pipe moves to the position above the water inlet of the drainage tube, so that clean water at the water outlet of the water guide pipe drops into the water inlet of the drainage tube, and the clean water flows out from the water outlet of the drainage tube through drainage of the drainage tube.

In still further preferable scheme, the upper side edge of the water inlet of the drainage tube is provided with a U-shaped notch. The U-shaped notch is formed in the upper side edge of the water inlet of the drainage tube, so that the opening of the water inlet of the drainage tube is larger, the water outlet of the water guide tube is aligned with the water inlet of the drainage tube more easily, and clean water at the water outlet of the water guide tube can conveniently drop into the water inlet of the drainage tube.

In a preferred scheme, the switch valve comprises a Murphy's dropper and a flow regulator, the water guide pipe comprises a first water pipe and a second water pipe, the water inlet of the first water pipe is connected with the bottom of the water tank, the water outlet of the first water pipe is connected with the water inlet of the Murphy's dropper, the water outlet of the Murphy's dropper is connected with the water inlet of the second water pipe, and the water outlet of the second water pipe faces the upper belt surface of the first transmission belt; the flow regulator is mounted on the second water pipe. The switching valve is arranged to be of a structure of a Murphy's dropper and a flow regulator which are matched, so that the dripping speed of clear water at the water outlet of the water guide pipe can be regulated by simulating the adjustable liquid flow rate during transfusion.

In a further preferred scheme, the flow regulator comprises a shell and a regulating wheel, wherein a chute is arranged in the shell, a central shaft of the regulating wheel is positioned in the chute and can roll along the chute, a strip-shaped inner cavity for accommodating the second water pipe is arranged between the regulating wheel and the bottom surface of the shell, through holes communicated with the strip-shaped inner cavity are respectively arranged at two ends of the shell, the second water pipe sequentially passes through one through hole, the strip-shaped inner cavity and the other through hole, a groove is arranged on the bottom surface of the regulating wheel shell, and the depth of the groove is gradually reduced along the flowing direction of water. The water outlet speed of the second water pipe is regulated through the cooperation of the regulating wheel and the groove in the shell, so that the water quantity of the clean water falling on the upper belt surface of the first transmission belt is controlled.

In the preferred scheme, be equipped with the braced frame in the frame, the braced frame is in the top of first drive belt, the middle part fretwork of braced frame, the water tank sets up on the braced frame.

Compared with the prior art, the utility model has the following advantages:

the humidifying device of the paper rod manufacturing machine can enable moisture on the lower belt surface of the first transmission belt to be fully contacted with the surface of the paper cylinder in the transmission process, moisten the surface of the paper cylinder, strengthen the adhesiveness of the surface of the paper cylinder, enable the side edge of the paper tape to be continuously wound and attached on the surface of the moistened paper cylinder under the transmission of the lower belt surface of the first transmission belt and the upper belt surface of the second transmission belt, prevent the surface of the paper cylinder from generating wrinkles, and ensure the surface of the paper cylinder to be smooth.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a flow regulator in an embodiment of the utility model.

Detailed Description

The utility model is described in detail below with reference to the drawings and the specific embodiments.

As shown in fig. 1-2, the humidifying device of the paper rod manufacturing machine in this embodiment includes a frame 1, a first driving belt 2, a second driving belt 3, a first driving mechanism 4 for driving the first driving belt 2 to circularly drive, and a second driving mechanism 5 for driving the second driving belt 3 to circularly drive, where the first driving mechanism 4 and the second driving mechanism 5 are both disposed on the frame 1, the first driving belt 2 and the second driving belt 3 are disposed one above the other and cross each other, and a gap is provided between the first driving belt 2 and the second driving belt 3; the humidifying device 6 comprises a water tank 61, a water guide pipe 62 and a switch valve 63 capable of controlling water flowing from the water guide pipe 62, the water tank 61 is arranged on the frame 1 and is positioned above the first driving belt 2, a water inlet of the water guide pipe 62 is connected with the bottom of the water tank 61, and a water outlet 621 of the water guide pipe 62 is positioned above the first driving belt 2 and faces the upper belt surface 21 of the first driving belt 2; the on-off valve 63 is mounted on the water guide pipe 62.

When the device works, a proper amount of clean water is added into the water tank 61, the on-off valve 63 on the water guide pipe 62 is moderately opened, so that the clean water in the water tank 61 flows from top to bottom along the water guide pipe 62, the clean water is dripped on the upper belt surface 21 of the first transmission belt 2 through the water outlet 621 of the water guide pipe 62, one end of the paper tube which is rubbed into the paper tube is sent into a gap between the first transmission belt 2 and the second transmission belt 3, and the lower belt surface of the first transmission belt 2 and the upper belt surface of the second transmission belt 3 clamp the paper tube; then, the first driving mechanism 4 and the second driving mechanism 5 are driven to work, so that the lower belt surface of the first driving belt 2 and the upper belt surface of the second driving belt 3 are driven forwards, in the driving process of the first driving belt 2, the upper belt surface of the wet first driving belt 2 can be changed into the lower belt surface of the first driving belt 2 by driving, so that the moisture of the lower belt surface of the first driving belt 2 is fully contacted with the surface of the paper cylinder in the driving process, the surface of the paper cylinder is wetted, the adhesiveness of the surface of the paper cylinder is enhanced, and the side edges of the paper tape can be continuously wound and attached on the surface of the wet paper cylinder under the driving of the lower belt surface of the first driving belt 2 and the upper belt surface of the second driving belt 3, so that the surface of the paper cylinder is prevented from being wrinkled, and the surface of the paper cylinder is ensured to be smooth.

The humidifying device 6 further comprises an auxiliary cloth strip 64, the outer end of the auxiliary cloth strip 64 is fixed on the frame 1, the auxiliary cloth strip 64 is horizontally paved on the upper belt surface 21 of the first driving belt 2 along the conveying direction of the upper belt surface 21 of the first driving belt 2, and the water outlet 621 of the water guide pipe 62 is positioned above the auxiliary cloth strip 64. The clean water at the water outlet of the water guide pipe 62 is firstly dropped on the auxiliary cloth strip 64, so that the auxiliary cloth strip 64 is fully wetted, and then the auxiliary cloth strip 64 indirectly humidifies the upper belt surface 21 of the first driving belt 2, so that the humidifying area of the upper belt surface of the first driving belt 2 is relatively uniform.

The humidifying device 6 further comprises a positioning block 65 and a moving mechanism 66 capable of moving the position of the water outlet 621 of the water guide pipe 62, the moving mechanism 66 is mounted on the frame 1 and is located above the first driving belt 2, the power output direction of the moving mechanism 66 is in a horizontal direction, the positioning block 65 is mounted on the power output end of the moving mechanism 66, at least one positioning hole 651 which runs up and down is arranged on the positioning block 65, the water guide pipe 62 penetrates through the positioning hole 651, and the water outlet 621 of the water guide pipe 62 is located below the positioning hole 651. When the first driving mechanism 4 and the second driving mechanism 5 stop working, the moving mechanism 66 drives the positioning block 65 to move to the upper outer side of the first driving belt 2, and then drives the water outlet 621 of the water guide pipe 62 on the positioning block 65 to deviate from the upper side of the first driving belt 2, so that the clean water in the water outlet of the water guide pipe 62 can not drop on the upper belt surface 21 of the first driving belt 2, and the phenomenon that the next paper rolling drum is affected due to excessive water drop siltation on the upper belt surface of the first driving belt 2 is prevented. When the paper roll is to be rolled next time, the moving mechanism 66 is driven to drive the positioning block 65 to move above the first driving belt 2, so that the water outlet 621 of the water guide pipe 62 is positioned above the first driving belt 2 again.

The moving mechanism 66 is a cylinder, the cylinder is mounted on the frame 1, and the positioning block 65 is mounted on the end of a piston rod of the cylinder. The piston rod of the air cylinder drives the positioning block 65 to extend out of the upper side of the first driving belt 2, and then drives the water outlet 621 of the water guide pipe 62 on the positioning block 65 to deviate from the upper side of the first driving belt 2.

The humidifying device 6 further comprises a drainage tube 67, the drainage tube 67 is arranged on the frame 1 and is positioned on one side of the tail end of a piston rod of the air cylinder, a water inlet of the drainage tube 67 is positioned below a water outlet of the water guide tube 62 and is correspondingly matched with the water outlet of the water guide tube 62, a water outlet of the drainage tube 67 is positioned on the outer side above the first driving belt 2, and the drainage tube 67 gradually inclines downwards from the water inlet to the water outlet. When the piston rod of the air cylinder drives the positioning block 65 to extend to the upper outer side of the first driving belt 2, the water outlet of the water guide pipe 62 is moved to the upper side of the water inlet of the drainage pipe 67, so that clean water at the water outlet of the water guide pipe 62 drops into the water inlet of the drainage pipe 67, and the clean water flows out of the water outlet of the drainage pipe 67 through the drainage of the drainage pipe 67.

A U-shaped notch 671 is arranged at the upper side edge of the water inlet of the drainage tube 67. The U-shaped notch 671 is arranged at the upper side edge of the water inlet of the drainage tube 67, so that the opening of the water inlet of the drainage tube 67 is larger, the water outlet of the water guide tube 62 is more easily aligned with the water inlet of the drainage tube 67, and clean water at the water outlet of the water guide tube 62 conveniently drops into the water inlet of the drainage tube 67.

The switch valve 63 comprises a mafice dropper 631 and a flow regulator 632, the water guide pipe 62 comprises a first water pipe 622 and a second water pipe 623, a water inlet of the first water pipe 622 is connected with the bottom of the water tank 61, a water outlet of the first water pipe 622 is connected with a water inlet of the mafice dropper 631, a water outlet of the mafice dropper 631 is connected with a water inlet of the second water pipe 623, and a water outlet of the second water pipe 623 faces the upper belt surface 21 of the first transmission belt 2; the flow regulator 632 is installed on the second water pipe 623. The switch valve 63 is arranged to be a structure of combining the Murphy's dropper 631 and the flow regulator 632, so as to simulate the adjustable flow rate of liquid during transfusion and adjust the dripping speed of clear water at the water outlet of the water guide pipe 62.

The flow regulator 632 comprises a shell 6321 and a regulating wheel 6322, wherein a sliding groove 6323 is formed in the shell 6321, a center shaft of the regulating wheel 6322 is positioned in the sliding groove 6323 and can roll along the sliding groove 6323, a strip-shaped inner cavity 6324 for accommodating the second water pipe 623 is formed between the regulating wheel 6322 and the bottom surface of the shell 6321, through holes 6325 communicated with the strip-shaped inner cavity 6324 are respectively formed in two ends of the shell 6321, the second water pipe 623 sequentially passes through one through hole 6325, the strip-shaped inner cavity 6324 and the other through hole 6325, a groove 6326 is formed in the bottom surface of the shell 6321 of the regulating wheel 6322, and the depth of the groove 6326 is gradually reduced along the flowing direction of water. The water outlet speed of the second water pipe 623 is regulated by the cooperation of the regulating wheel 6322 and the groove 6326 in the housing 6321, so as to control the water quantity of the clean water falling on the upper belt surface 21 of the first belt 2.

Be equipped with braced frame 11 on frame 1, braced frame 11 is located the top of first drive belt 2, the middle part fretwork of braced frame 11, water tank 61 sets up on braced frame 11.

In addition, it should be noted that, in the specific embodiments described in the present specification, names of various parts and the like may be different, and all equivalent or simple changes of the structures, features and principles described in the conception of the present utility model are included in the protection scope of the present utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. The humidifying device of the paper rod manufacturing machine comprises a frame, a first transmission belt, a second transmission belt, a first driving mechanism for driving the first transmission belt to circularly drive and a second driving mechanism for driving the second transmission belt to circularly drive, wherein the first driving mechanism and the second driving mechanism are arranged on the frame, the first transmission belt and the second transmission belt are arranged one above the other and are crossed, and a gap is reserved between the first transmission belt and the second transmission belt; the method is characterized in that: the humidifying device comprises a water tank, a water guide pipe and a switch valve capable of controlling the water guide pipe to flow, the water tank is arranged on the frame and is positioned above the first driving belt, a water inlet of the water guide pipe is connected with the bottom of the water tank, and a water outlet of the water guide pipe is positioned above the first driving belt and faces the upper belt surface of the first driving belt; the switch valve is arranged on the water guide pipe.

2. A humidifying device of a paper rod making machine as defined in claim 1, wherein: the humidifying device further comprises an auxiliary cloth strip, the outer end of the auxiliary cloth strip is fixed on the frame, the auxiliary cloth strip is tiled on the upper belt surface of the first driving belt along the upper belt surface conveying direction of the first driving belt, and the water outlet of the water guide pipe is positioned above the auxiliary cloth strip.

3. A humidifying device of a paper rod making machine as defined in claim 1 or 2, wherein: the humidifying device further comprises a positioning block and a moving mechanism capable of moving the water outlet position of the water guide pipe, the moving mechanism is installed on the frame and located above the first transmission belt, the power output direction of the moving mechanism is in the horizontal direction, the positioning block is installed on the power output end of the moving mechanism, at least one positioning hole which runs up and down is formed in the positioning block, the water guide pipe penetrates through the positioning hole, and the water outlet of the water guide pipe is located below the positioning hole.

4. A humidifying device of a paper rod making machine as defined in claim 3, wherein: the moving mechanism is an air cylinder, the air cylinder is arranged on the frame, and the positioning block is arranged at the tail end of a piston rod of the air cylinder.

5. A humidifying device of a paper rod making machine as defined in claim 4, wherein: the humidifying device further comprises a drainage tube, the drainage tube is arranged on the frame and is positioned on one side of the tail end of the piston rod of the air cylinder, the water inlet of the drainage tube is positioned below the water outlet of the water guide tube and is correspondingly matched with the water outlet of the water guide tube, the water outlet of the drainage tube is positioned on the outer side of the upper part of the first driving belt, and the drainage tube gradually inclines downwards from the water inlet to the water outlet.

6. A humidifying device of a paper rod making machine as defined in claim 5, wherein: the U-shaped notch is arranged at the edge of the upper side edge of the water inlet of the drainage tube.

7. A humidifying device of a paper rod making machine as defined in claim 1, wherein: the switching valve comprises a Murphy's dropper and a flow regulator, the water guide pipe comprises a first water pipe and a second water pipe, the water inlet of the first water pipe is connected with the bottom of the water tank, the water outlet of the first water pipe is connected with the water inlet of the Murphy's dropper, the water outlet of the Murphy's dropper is connected with the water inlet of the second water pipe, and the water outlet of the second water pipe faces the upper belt surface of the first transmission belt; the flow regulator is mounted on the second water pipe.

8. A humidifying device of a paper rod making machine as defined in claim 7, wherein: the flow regulator comprises a shell and a regulating wheel, wherein a sliding groove is formed in the shell, a center shaft of the regulating wheel is positioned in the sliding groove and can roll along the sliding groove, a strip-shaped inner cavity for accommodating the second water pipe is formed between the regulating wheel and the bottom surface of the shell, through holes communicated with the strip-shaped inner cavity are respectively formed in two ends of the shell, the second water pipe sequentially penetrates through the through hole, the strip-shaped inner cavity and the other through hole, a groove is formed in the bottom surface of the regulating wheel shell, and the depth of the groove gradually becomes smaller along the flowing direction of water.

9. A humidifying device of a paper rod making machine as defined in claim 1, wherein: the water tank is arranged on the support frame.