Humidifying device for paper bag processing

Abstract

The utility model discloses a humidifying device for paper bag processing. The humidifying device comprises an open water tank, a water supply roller, a rotating shaft, a plurality of water coating wheels and a power device, the open water tank is used for containing water; the water supply roller is partially immersed in water of the open water tank; the power device drives the rotating shaft and the water supply roller to oppositely rotate; the multiple water coating wheels are installed on the rotating shaft, and the outer circumferential faces of the water coating wheels abut against the outer circumferential face of the water supply roller intermittently. Water is taken from the open water tank by arranging the water supply roller, the water is dipped on the water supply roller by arranging the water coating wheels, and the water is coated on the part, needing to be folded, of paper by the water coating wheels, so that the paper is humidified, and the problem that the paper is damaged during processing can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of paper bag machines, in particular to a humidifying device used for paper bag processing. Background Art

[0002] As a highly automated equipment, paper bag machine is widely used in the field of paper bag production. It can realize multiple processes such as edge correction, breaking point, folding, pulling and sealing of paper on the paper tube, and finally output the finished paper bags in stacks. During the production process of paper bag machine, paper is transported at high speed and the above processes are completed quickly. However, due to drying, the paper becomes brittle, so it is easy to be damaged during the processing. Utility Model Content

[0003] The utility model provides a humidifying device for paper bag processing, so as to solve the technical problem that paper is easily damaged due to drying during the processing.

[0004] In order to achieve the above purpose, the technical solution of the utility model is:

[0005] A humidifying device for paper bag processing comprises: an open water tank, a water supply roller, a rotating shaft, a plurality of water coating wheels and a power device; the open water tank is used to contain water; the water supply roller is partially immersed in the water of the open water tank; the axis of the rotating shaft and the water supply roller are parallel to each other, and the power device drives the rotating shaft and the water supply roller to rotate in opposite directions; the plurality of water coating wheels are mounted on the rotating shaft, and the outer peripheral surfaces of the water coating wheels intermittently abut against the outer peripheral surfaces of the water supply rollers.

[0006] Furthermore, the water coating wheel includes a water coating roller, a pressure cover and a first locking assembly. The water coating roller is provided with a first arc-shaped notch, the pressure cover is provided with a second arc-shaped notch, the first locking assembly connects and locks the water coating roller and the pressure cover, and the water coating roller and the pressure cover clamp the rotating shaft.

[0007] Furthermore, a positioning plane is provided on the rotating shaft, and a positioning block is fixed on the side of the water coating roller, and the positioning block abuts against the positioning plane.

[0008] Furthermore, it also includes a bracket, and the rotating shaft is rotatably connected to the bracket; the water supply roller includes a central axis, and the central axis is rotatably connected to the bracket.

[0009] Furthermore, it also includes a mounting plate, the end of the central axis passes through the bracket and is rotatably connected to the mounting plate, and the central axis is rotatably connected to the bracket.

[0010] Furthermore, a fixing block is fixed on the mounting plate, and the open water tank is detachably fixed on the fixing block.

[0011] Furthermore, an adjusting bolt is provided on the bracket, and the adjusting bolt is used to adjust the center distance between the rotating shaft and the paper feed roller; the axis of the adjusting bolt is arranged along the rotation direction of the water supply roller, and the adjusting bolt abuts the paper feed roller after passing through the bracket; a spring is provided between the bracket and the fixed block, and the adjusting bolt and the paper feed roller are kept in abutment through the torque applied to the bracket by the spring.

[0012] Furthermore, the power device includes a transmission mechanism and an external power source, and the transmission mechanism includes: an input gear, a driving gear and a driven gear; the driving gear is arranged on the rotating shaft, and the driven gear is arranged on the central shaft, and the driving gear and the driven gear are externally meshed; the end of the rotating shaft passes through the bracket and the mounting plate in sequence and then the input gear is installed, and the input gear is connected to the external power source.

[0013] Furthermore, the transmission mechanism also includes a gear cover, which covers the driving gear and the driven gear.

[0014] Furthermore, a drainage device is installed at the bottom of the open water tank.

[0015] Beneficial effects:

[0016] The present application discloses a humidifying device for paper bag processing, which takes water from an open water tank by arranging a water supply roller, and also takes water by arranging a plurality of water coating wheels on the water supply roller. The plurality of water coating wheels coat water on the parts of the paper that need to be folded, thereby humidifying the paper and solving the problem of paper damage during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 This is a structural schematic diagram of a humidifying device for paper bag processing disclosed in the utility model;

[0019] Figure 2 This is a left view of a humidifying device for paper bag processing disclosed in the utility model;

[0020] Figure 3 for Figure 2 AA section view in;

[0021] Figure 4 for Figure 3 BB section view in.

[0022] 1. Open water tank; 2. Water supply roller; 21. Center axis; 3. Rotating shaft; 4. Water coating wheel; 41. Water coating roller; 42. Pressure cover; 43. Positioning block; 5. Bracket; 6. Mounting plate; 7. Fixing block; 81. Adjusting bolt; 82. Spring; 91. Input gear; 92. Driving gear; 93. Driven gear; 94. Gear cover; 10. Drainage device. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] A humidifying device for paper bag processing, combined with Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, it includes: an open water tank 1, a water supply roller 2, a rotating shaft 3, a plurality of water coating wheels 4 and a power device; the open water tank 1 is used to contain water; the water supply roller 2 is partially immersed in the water of the open water tank 1; the axis of the rotating shaft 3 and the water supply roller 2 are parallel to each other, and the power device drives the rotating shaft 3 and the water supply roller 2 to rotate in opposite directions; a plurality of water coating wheels 4 are installed on the rotating shaft 3, and the outer peripheral surface of the water coating wheel 4 intermittently abuts against the outer peripheral surface of the water supply roller 2.

[0025] The power device drives the water supply roller 2 to rotate, and the outer peripheral surface of the water supply roller 2 continuously absorbs water from the open water tank 1. The power device drives the rotating shaft 3 to rotate in the opposite direction to the water supply roller 2, and multiple water coating wheels 4 rotate synchronously with the rotating shaft 3. The outer peripheral surface of the water coating wheel 4 intermittently abuts against the outer peripheral surface of the water supply roller 2, and the water coating wheel 4 dips the water on the water supply roller 2. The water coating wheel 4 continues to rotate so that the outer peripheral surface of the water coating wheel 4 contacts the paper, and the water coating wheel 4 applies the dipped water to the part of the paper that needs to be folded, so as to humidify the paper and prevent the paper from becoming brittle due to drying, thereby solving the problem that the paper is easily damaged during processing.

[0026] Preferably, the water coating wheel 4 includes a water coating roller 41, a pressure cover 42 and a first locking assembly, the water coating roller 41 is provided with a first arc-shaped notch, the pressure cover 42 is provided with a second arc-shaped notch, the rotating shaft 3 is inserted into the first arc-shaped notch and the second arc-shaped notch, and the first locking assembly connects and locks the water coating roller 41 and the pressure cover 42. In this embodiment, the first locking assembly uses two first screws, and the two first screws fix the pressure cover 42 and the water coating roller 41. After tightening the first screws, the water coating roller 41 and the pressure cover 42 clamp the rotating shaft 3, so that the water coating wheel 4 is installed on the rotating shaft 3.

[0027] Specifically, the water coating roller 41 includes an arc-shaped outer peripheral surface, the arc shape of the arc-shaped outer peripheral surface is a minor arc, and the pressure cover 42 is an arc-shaped and has a radius smaller than the radius of the arc-shaped outer peripheral surface; when the rotating shaft 3 rotates one circle, the arc-shaped outer peripheral surface contacts the outer peripheral surface of the water supply roller 2 once, and the arc-shaped outer peripheral surface dips into the water on the outer peripheral surface of the water supply roller 2. The water is transferred to the water coating roller 41 through the water supply roller 2, so that the amount of water on the arc-shaped outer peripheral surface of the water coating roller 41 is appropriate and evenly distributed, so as to avoid the water on the arc-shaped outer peripheral surface being applied to the paper and causing excessive humidity in a local position of the paper.

[0028] Preferably, a positioning plane is provided on the rotating shaft 3, and a positioning block 43 is fixed on the side of the water coating roller 41, and the positioning block 43 abuts the positioning plane to achieve positioning of the water coating roller 41, which is convenient for installation and debugging. In this embodiment, a positioning plane is milled on the cylindrical surface of the rotating shaft 3, and the positioning block 43 is fixed to the water coating roller 41 by two second screws, and the plane on the positioning block 43 abuts the positioning plane.

[0029] Preferably, it further includes a bracket 5 , and the rotating shaft 3 is rotatably connected to the bracket 5 ; the water supply roller 2 includes a central shaft 21 , and the central shaft 21 is rotatably connected to the bracket 5 , and the bracket 5 supports and connects the rotating shaft 3 and the central shaft 21 .

[0030] Specifically, the bracket 5 includes a first bracket and a second bracket, one end of the rotating shaft 3 is rotatably connected to the first bracket, and the other end passes through the second bracket, and the rotating shaft 3 is rotatably connected to the second bracket. A plurality of water coating wheels 4 are located between the first bracket and the second bracket and are arranged at equal intervals.

[0031] Preferably, it further comprises a mounting plate 6, the end of the central shaft 21 passes through the bracket 5 and is rotatably connected to the mounting plate 6, and the central shaft 21 is rotatably connected to the bracket 5. The mounting plate 6 is connected to the main body of the paper bag machine, the mounting plate 6 supports the central shaft 21, and the central shaft 21 supports the rotating shaft 3 through the bracket 5; and the bracket 5 can swing around the central shaft 21, and the position of the rotating shaft 3 can be adjusted.

[0032] Specifically, the mounting plate 6 includes a first mounting plate and a second mounting plate, the first bracket and the second bracket are located between the first mounting plate and the second mounting plate, the first bracket is close to the first mounting plate, and the second bracket is close to the second mounting plate. One end of the central axis 21 passes through the first bracket and is rotatably connected to the first mounting plate, and the other end passes through the second bracket and is rotatably connected to the second mounting plate.

[0033] Preferably, a fixing block 7 is fixed on the mounting plate 6, and the open water tank 1 is detachably fixed on the fixing block 7, so that the installation of the open water tank 1 is realized and it is convenient to remove and clean it.

[0034] Specifically, a first threaded hole is provided on the end surface of one end of the fixed block 7, and a second threaded hole is provided on the top of the fixed block 7, and the second threaded hole is away from the first threaded hole. There are two fixed blocks 7, and the two fixed blocks 7 are horizontally arranged and respectively abut the first mounting plate and the second mounting plate. Horizontal ear plates are welded and fixed to the bottom of both sides of the open water tank 1, and the ear plates are provided with a first through hole. The first through holes on the two ear plates are respectively aligned with the second threaded holes on the two fixed blocks 7, and the ear plates and the fixed blocks 7 are fixed by hand screws, so that the two fixed blocks 7 hold up the open water tank 1. A second through hole is provided on the first mounting plate, and the third screw passes through the second through hole and is screwed into the first threaded hole of one of the fixed blocks 7 to fix the fixed block 7. A third through hole is provided on the second mounting plate, and the fourth screw passes through the third through hole and is screwed into the first threaded hole of another fixed block 7 to fix the fixed block 7.

[0035] Preferably, an adjusting bolt 81 is provided on the bracket 5, and the adjusting bolt 81 is used to adjust the center distance between the rotating shaft 3 and the paper feed roller to adapt to paper of different thicknesses; the axis of the adjusting bolt 81 is arranged along the rotation direction of the water supply roller 2, and the adjusting bolt 81 abuts against the paper feed roller after passing through the bracket 5; a spring 82 is provided between the bracket 5 and the fixed block 7, and the adjusting bolt 81 and the paper feed roller are kept in abutment through the torque applied by the spring 82 to the bracket 5.

[0036] Specifically, a third threaded hole is provided at the top of each of the first bracket and the second bracket, the axis of the third threaded hole is tangent to the rotation direction of the water supply roller 2, and the adjustment bolt 81 is screwed into and passes through the third threaded hole. A first fixing pin is fixed at the bottom of each of the first bracket and the second bracket, and the first fixing pin is fixed by a threaded connection. A second fixing pin is fixed on the fixing block 7, and the second fixing pin is fixed by a threaded connection. The spring 82 is a tension spring, and the two ends of the tension spring are respectively hung on the first fixing pin and the second fixing pin. The adjustment of the first bracket is taken as an example for explanation.

[0037] When the center distance between the rotating shaft 3 and the paper feed roller needs to be increased:

[0038] The adjusting bolt 81 is pressed against the paper feed roller, and the adjusting bolt 81 is turned to increase the length of the adjusting bolt 81 between the paper feed roller and the first bracket, and the first bracket moves along the axis of the adjusting bolt 81 through the spiral transmission; at this time, the spring 82 is stretched, and the torque generated by the spring 82 makes the adjusting bolt 81 always press against the paper feed roller; the torque provided by the adjusting bolt 81 overcomes the torque generated by the spring 82 to make the first bracket rotate around the central axis 21, so that the first bracket swings away from the paper feed roller, thereby increasing the center distance between the rotating shaft 3 and the paper feed roller.

[0039] When the center distance between the rotating shaft 3 and the paper feed roller needs to be reduced:

[0040] Tightening the adjusting bolt 81 reduces the length of the adjusting bolt 81 between the paper feed roller and the first bracket, and the first bracket moves along the axis of the adjusting bolt 81 through spiral transmission; at this time, the deformation of the spring 82 is reduced, and the torque generated by the spring 82 makes the adjusting bolt 81 always abut against the paper feed roller; the torque generated by the spring 82 and the torque generated by the spring 82 work together to make the first bracket rotate around the central axis 21, so that the first bracket swings closer to the paper feed roller, thereby reducing the center distance between the rotating shaft 3 and the paper feed roller.

[0041] Preferably, the power device includes a transmission mechanism and an external power source, and the transmission mechanism includes: an input gear 91, a driving gear 92 and a driven gear 93; the driving gear 92 is arranged on the rotating shaft 3, and the driven gear 93 is arranged on the central shaft 21, and the driving gear 92 and the driven gear 93 are externally meshed; the end of the rotating shaft 3 passes through the bracket 5 and the mounting plate 6 in sequence and then the input gear 91 is installed, and the input gear 91 is connected to the external power source. The external power source drives the rotating shaft 3 to rotate through the input gear 91, and the rotating shaft 3 transmits power to the central shaft 21 through the driving gear 92 and the driven gear 93, so that the rotating shaft 3 and the central shaft 21 rotate in opposite directions. The rotating shaft 3 drives the water coating wheel 4 to rotate, and the water coating wheel 4 dips water on the water supply roller 2 and then rotates to the side of the paper feeding roller. The arc-shaped outer peripheral surface of the water coating wheel 4 contacts the paper on the paper feeding roller, and water is coated on the part of the paper that needs to be folded.

[0042] Specifically, the driving gear 92 and the driven gear 93 are located on the side of the second bracket away from the second mounting plate. The end of the rotating shaft 3 passing through the second bracket passes through the second mounting plate and then installs the input gear 91. The second mounting plate is provided with a clearance notch for the rotating shaft 3 to pass through.

[0043] Preferably, the transmission mechanism further includes a gear cover 94 , which covers the driving gear 92 and the driven gear 93 to protect the driving gear 92 and the driven gear 93 and prevent the paper from being rolled in between the driving gear 92 and the driven gear 93 after deviating.

[0044] Preferably, a drainage device 10 is installed at the bottom of the open water tank 1, and the drainage device 10 includes a drainage pipe connected to the bottom of the open water tank 1 and a manual ball valve for opening and closing the drainage pipe. The drainage device 10 is used for the open water tank 1 to drain water.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A humidifying device for paper bag processing, characterized in that: include: An open water tank (1), a water supply roller (2), a rotating shaft (3), a plurality of water coating wheels (4) and a power device; The open water tank (1) is used to hold water; The water supply roller (2) is partially immersed in the water of the open water tank (1); The axis of the rotating shaft (3) and the axis of the water supply roller (2) are parallel to each other, and the power device drives the rotating shaft (3) and the water supply roller (2) to rotate in opposite directions; The plurality of water coating wheels (4) are mounted on the rotating shaft (3), and the outer peripheral surface of the water coating wheel (4) is intermittently in contact with the outer peripheral surface of the water supply roller (2).

2. A humidifying device for paper bag processing according to claim 1, characterized in that: The water coating wheel (4) comprises a water coating roller (41), a pressure cover (42) and a first locking assembly, wherein the water coating roller (41) is provided with a first arc-shaped notch, and the pressure cover (42) is provided with a second arc-shaped notch, and the first locking assembly connects and locks the water coating roller (41) and the pressure cover (42), and the water coating roller (41) and the pressure cover (42) clamp the rotating shaft (3).

3. A humidifying device for paper bag processing according to claim 2, characterized in that: A positioning plane is provided on the rotating shaft (3), a positioning block (43) is fixed on the side of the water coating roller (41), and the positioning block (43) abuts against the positioning plane.

4. A humidifying device for paper bag processing according to claim 1, characterized in that: It also comprises a bracket (5), the rotating shaft (3) being rotatably connected to the bracket (5); the water supply roller (2) comprises a central shaft (21), and the central shaft (21) is rotatably connected to the bracket (5).

5. A humidifying device for paper bag processing according to claim 4, characterized in that: It also comprises a mounting plate (6), the end of the central axis (21) passes through the bracket (5) and is rotatably connected to the mounting plate (6), and the central axis (21) is rotatably connected to the bracket (5).

6. A humidifying device for paper bag processing according to claim 5, characterized in that: A fixing block (7) is fixedly provided on the mounting plate (6), and the open water tank (1) is detachably fixed on the fixing block (7).

7. A humidifying device for paper bag processing according to claim 6, characterized in that: The bracket (5) is provided with an adjusting bolt (81), and the adjusting bolt (81) is used to adjust the center distance between the rotating shaft (3) and the paper feed roller; the axis of the adjusting bolt (81) is arranged along the rotation direction of the water supply roller (2), and the adjusting bolt (81) abuts against the paper feed roller after passing through the bracket (5); a spring (82) is provided between the bracket (5) and the fixing block (7), and the adjusting bolt (81) and the paper feed roller are kept in abutment with each other through the torque of the spring (82) acting on the bracket (5).

8. A humidifying device for paper bag processing according to claim 5, characterized in that: The power device comprises a transmission mechanism and an external power source, wherein the transmission mechanism comprises: an input gear (91), a driving gear (92) and a driven gear (93); the driving gear (92) is arranged on the rotating shaft (3), the driven gear (93) is arranged on the central shaft (21), and the driving gear (92) and the driven gear (93) are externally meshed; the end of the rotating shaft (3) passes through the bracket (5) and the mounting plate (6) in sequence and then the input gear (91) is installed, and the input gear (91) is connected to the external power source.

9. A humidifying device for paper bag processing according to claim 8, characterized in that: The transmission mechanism further comprises a gear cover (94), wherein the gear cover (94) covers the driving gear (92) and the driven gear (93).

10. A humidifying device for paper bag processing according to claim 1, characterized in that: A drainage device (10) is installed at the bottom of the open water tank (1).

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