JP3541308B2 - Shower cleaning equipment - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
TECHNICAL FIELD The present invention relates to a shower cleaning device for a belt-shaped cleaning body used as a tool for a papermaking machine or the like.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, papermaking machines have used band-like tools such as wires in a wet part, blankets in a press part, canvases in a dry part, and paper materials, wood pitch, A shower cleaning device for cleaning and removing dirt such as additives is provided.
[0003]
In a conventional shower cleaning apparatus, a shower head that traverses in the direction in which the cleaning body travels is provided with a plurality of cleaning fluid ejection nozzles, and high-pressure cleaning fluid sprayed from each nozzle is sprayed on the cleaning body.
[0004]
[Problems to be solved by the invention]
However, the prior art has the following problems.
{Circle around (1)} The cleaning fluid jet nozzle of the shower head needs to be arranged at a distance of 50 to 100 mm from the surface of the cleaning body so as not to be scratched by contact with the cleaning body. Further, the high-pressure cleaning fluid ejected from the nozzle of the shower head exerts a large pressure on the cleaning body, and thereby the nozzle and the cleaning body are further separated from each other. Therefore, the nozzle and the cleaning body cannot be brought as close as possible, and there is a difficulty in improving the cleaning ability.
[0005]
(2) As described in (1) above, since the nozzle and the cleaning body cannot be brought as close as possible to each other, a high pressure is required as a jet fluid pressure necessary to secure a constant cleaning performance, and this is the cleaning fluid (air). , Water, steam, etc.), and also promotes nozzle wear.
[0006]
An object of the present invention is to improve the cleaning ability of a shower cleaning device by bringing a nozzle and a cleaning body close to each other.
[0007]
[Means for Solving the Problems]
The present invention according to claim 1 is a shower cleaning device for cleaning a belt-shaped cleaning body, wherein the cleaning body is rotated in a running direction of the cleaning body in a wound state, and a large number of shower windows are respectively provided along the rotation direction. A hollow rotating roll formed by forming a cleaning fluid jet nozzle disposed inside each shower window of the rotating roll within a range of a wrapping angle of the cleaning body around the rotating roll. And a sliding device that reciprocates the rotating roll and the cleaning fluid supply device integrally in the roll axis direction of the rotating roll.
[0008]
The present invention according to claim 2 is the invention according to claim 1, further comprising a plurality of shower windows along the roll rotation direction at each of a plurality of positions where the rotating roll is at a constant pitch in the roll axis direction. A nozzle group comprising a plurality of cleaning fluid jet nozzles, wherein the cleaning fluid supply device is provided at a predetermined pitch corresponding to each shower window of the rotary roll in the roll axis direction of the rotary roll. Are arranged in tandem along the longitudinal direction of each shower window.
[0009]
According to a third aspect of the present invention, in the second aspect of the present invention, further, each of the window groups formed at each position in the roll axis direction of the rotary roll has a shower window constituting the window group. A large-diameter hole for nozzle replacement is formed in a part of at least one shower window in the longitudinal direction.
[0010]
[Action]
According to the first aspect of the invention, there are the following operations (1) to (7).
{Circle around (1)} By arranging the injection nozzle of the cleaning fluid supply device in the rotating roll around which the cleaning body is wound, the nozzle can be disposed close to the cleaning body (up to near the thickness of the roll cell), and the cleaning performance can be improved.
[0011]
{Circle around (2)} As described in {circle around (1)}, since the nozzle and the cleaning body can be brought as close as possible, the pressure of the jet fluid required to secure a constant cleaning performance can be reduced. As a result, the cleaning fluid (air, water) , Steam, etc.), and the wear of the nozzle is also reduced, so that the life of the apparatus can be improved.
[0012]
(3) Since the cleaning fluid is sprayed and supplied to the cleaning body at a portion where the cleaning body is wound around a rotating roll and turned, the cleaning fluid has a strong cleaning power with a centrifugal force added to the spray pressure. And the dirt attached to the cleaning body is provided with the cleaning effect of the cleaning fluid under the action of the centrifugal force, whereby the cleaning ability can be improved.
[0013]
(4) The cleaning fluid is sprayed and supplied to the cleaning body at a portion where the cleaning body is wound around the rotating roll and turned. On the outer surface of the cleaning body with respect to the rotating roll, the cleaning body is wound around the roll. As a result, the eyes of the cleaning body are widened, and as a result, dirt clogged in the eyes of the cleaning body is easily blown out and removed by the jet pressure of the cleaning fluid and the centrifugal force, thereby also improving the cleaning ability. Can be improved.
[0014]
(5) The cleaning fluid is sprayed and supplied to the cleaning body at a portion where the cleaning body is wound around the rotating roll and turned. The inner surface of the cleaning body (in contact with) the rotating roll is in contact with the roll surface of the rotating roll. There is a certain gap between them through a fluid film (air film, water film, etc.). For this reason, dirt adhering to the inner surface of the washing body with respect to the rotating roll is promoted to float on the inner surface of the washing body due to the presence of the gap, and thus the washing body is wound around the rotating roll. At the exit side of the corner, the roll is discharged outward in the tangential direction of the roll rotation, which can also improve the cleaning ability.
[0015]
(6) When the rotating roll is caused to rotate along with the cleaning body without being forcibly driven, the rotating roll obtains the clearance of (5) above with the cleaning body and slips against the high speed running of the cleaning body. Take you around. Therefore, the rotating roll is rotated at a moderately low speed, thereby protecting a fragile body provided with a large number of shower windows, thereby ensuring a certain level of fatigue strength.
[0016]
{Circle around (7)} Since the spray nozzle is arranged in the rotating roll, there is no danger of directly contacting and scratching the cleaning body, and the durability of the cleaning body can also be improved.
[0017]
According to the invention of claim 2, there is the following operation (8).
(8) The shower window group of the rotating roll and the nozzle group of the cleaning fluid supply device are arranged at a constant pitch in the roll axis direction. Therefore, the entire area in the width direction of the cleaning body can be cleaned by reciprocating the rotating roll and the cleaning fluid supply apparatus over a range exceeding a certain pitch by the sliding device.
[0018]
According to the invention of claim 3, there is the following operation (9).
(9) Since the large-diameter hole for nozzle replacement is formed in at least one shower window of the shower window group of the rotating roll, the nozzle tip or the like of the cleaning fluid supply device can be easily replaced from this hole.
[0019]
BEST MODE FOR CARRYING OUT THE INVENTION
1 is a sectional view showing a shower cleaning device, FIG. 2 is a side view of FIG. 1, FIG. 3 is a sectional view taken along line III-III of FIG. 1, FIG. 4 is an enlarged view of a main part of FIG. It is a schematic diagram which shows the modification of a washing apparatus.
[0020]
The shower cleaning device 10 is provided in each of a wet part, a press part, and a dry part of a papermaking line, and cleans paper materials, wood pitch, additives, and other stains attached to the belt-shaped cleaning body 1 such as a wire, a blanket, and a canvas. And remove.
[0021]
As shown in FIG. 1, the shower cleaning device 10 includes a hollow rotary roll 21, a cleaning fluid supply device 31, and a sliding device 41.
[0022]
The rotating roll 21 has a left and right hollow support shaft 26 rotatably supported by a bearing 23 of a bearing box 22 which is supported by a left and right slide table 42 of a sliding device 41 which will be described later. In the state where the cleaning body 1 is wound around in an endless manner, the cleaning body 1 rotates in the traveling direction, and a large number of shower windows 24 are formed along the rotation direction (roll circumferential direction). At this time, a window group 25 including a plurality (for example, five) shower windows 24 along the roll rotation direction is formed at each of a number of positions on the rotation roll 21 at a constant pitch P in the roll axis direction. I have. The rotating roll 21 has a large-diameter nozzle replacement hole 24 </ b> A at one longitudinal end of at least one of the shower windows 24 constituting the window group 25. Has formed.
[0023]
The rotating roll 21 is provided with a draining ring 27 at a portion of the support shaft 26 located inside the bearing box 22, and lubricating oil on the bearing box 22 side scatters on the rotating roll 21 on the side of the winding roll of the cleaning body 1. To prevent
[0024]
Although the rotating roll 21 may be forcibly driven, in the present embodiment, the rotating roll 21 receives the traveling movement force of the cleaning body 1 and rotates around with a certain slip with respect to the cleaning body 1 as described later.
[0025]
The cleaning fluid supply device 31 has a fixed roll 32, and the fixed roll 32 is connected to the left and right sliding devices 41 via left and right hollow support shafts 33 so as to interpose a fixed gap inside the rotary roll 21. It is fixedly supported by a support table 34 supported by a slide table 42. On the fixed roll 32 of the cleaning fluid supply device 31, the cleaning fluid jet nozzle 35 is arranged close to the inner surface of each shower window 24 of the rotary roll 21 within the range of the winding angle of the cleaning body 1 around the rotary roll 21. (FIGS. 3 and 4). In FIG. 4, reference numeral 101 denotes a nozzle body fixed to the fixed roll 32, and reference numeral 102 denotes a nozzle tip that is attached to and detached from the nozzle body 101. At this time, the cleaning fluid supply device 31 is provided with a plurality of (for example, two air pumps) at a constant pitch P corresponding to each shower window 24 (window group 25) of the rotating roll 21 in the roll axis direction of the rotating roll 21. A nozzle group 36 including a nozzle 35A and three cleaning nozzles 35 for water nozzles is arranged in tandem along the longitudinal direction of each shower window 24 (window group 25).
[0026]
The cleaning fluid supply device 31 inserts the cleaning fluid supply pipe 37 (air supply pipe 37A, water supply pipe 37B) so as to extend from the openings of the left and right hollow support shafts 33 to the inside of the fixed roll 32 (FIGS. 1, FIG. 1). 2) A cleaning fluid supply head 38 (air supply head 38A, water supply head 38B) composed of a square tube or the like is connected to these supply pipes 37, and the above-described injection nozzle 35 is provided at each position in the longitudinal direction of the cleaning fluid supply head 38. (Air nozzle 35A is connected to air supply head 38A, and water nozzle 35B is connected to water supply head 38B) (FIGS. 1 and 3). Each supply head 38 is extended from one of the right and left ends of the fixed roll 32 to the center of the fixed roll 32, and the cross-sectional area of each supply head 38 is increased from one of the left and right ends of the fixed roll 32 to the fixed roll 32. 32, and the cross-sectional area of each supply head 38 is gradually reduced from one of the right and left ends of the fixed roll 32 toward the center of the fixed roll 32. The fluid ejection pressures from the ejection nozzles 35 connected to the respective positions are equalized in the longitudinal direction.
[0027]
The sliding device 41 mounts the above-described left and right slide tables 42 on guide rails 44 provided on the pedestal 43 and extending in the axial direction of the rotary roll 21, and as described above, the rotary rolls 21 are mounted on the slide table 42. And the cleaning fluid supply device 31. The sliding device 41 screwes a feed screw 46 driven by a motor 45 supported on the gantry 43 to the left and right slide pedestals 42, and rotates the rotating roll 21 and the cleaning fluid supply device 31 by forward and reverse rotation of the motor 45. The roll 21 reciprocates integrally in the direction of the roll axis in a range exceeding the pitch P between the window group 25 and the nozzle group 36 described above.
[0028]
Therefore, the shower cleaning device 10 performs the cleaning operation as follows.
(1) The cleaning body 1 is wound around the rotating roll 21 to run, and at the same time, the rotating roll 21 is rotated around the running movement of the cleaning body 1. At this time, the highly soiled surface of the cleaning body 1 may be wound around the rotating roll 21 as an inner surface in contact with the rotating roll 21, or this surface of the cleaning body 1 may be wound as an outer surface not in contact with the rotating roll 21. May be wound around.
[0029]
(2) The air connected to the air supply head 38A by the cleaning fluid supply device 31 while the rotating roll 21 and the cleaning fluid supply device 31 are reciprocated integrally in the roll axis direction of the rotary roll 21 by the sliding device 41. The air jetted from the nozzle 35A is jetted onto the cleaning body 1 from the shower window 24 of the rotating roll 21 that has been rotated to a position corresponding to the nozzle group 36 to which the nozzle 35A belongs. At the same time, water jetted from the water nozzle 35B connected to the water supply head 38B is jetted onto the cleaning body 1 from the shower window 24 of the rotary roll 21 that has been rotated to a position corresponding to the nozzle group 36 to which the nozzle 35B belongs. . As a result, the cleaning body 1 is sprayed with air and water, which are cleaning fluids, to blow off and remove the dirt.
[0030]
In the shower cleaning device 10, the cleaning fluid supply device 31 includes two types of supply heads 38 (38A, 38B), and rotates two types of air and water from the air nozzle 35A and the water nozzle 35B, respectively. The two types of fluids, air and steam, are simultaneously jetted from the shower window 24 of the rotary roll 21 by using the nozzles 35A and 35B as the air nozzle and the steam nozzle simultaneously. Alternatively, two types of fluids, water and air, may be simultaneously jetted from the shower window 24 of the rotary roll 21 by using the nozzles for water and the nozzles for steam.
[0031]
Further, the cleaning fluid supply device 31 is provided with three or more sets of cleaning fluid supply heads 38 and cleaning fluid injection nozzles 35, and three or more types of fluids (air, water, steam, etc.) are supplied from the shower window 24 of the rotating roll 21. Injection may be performed simultaneously.
[0032]
In the cleaning fluid supply device 31, which of air, water, steam, or the like is used as the cleaning fluid, or which combination is used, is selected according to the type of deposit on the cleaning body 1.
[0033]
Therefore, according to the present embodiment, the following operations are provided.
{Circle around (1)} By disposing the injection nozzle 35 of the cleaning fluid supply device 31 in the rotating roll 21 around which the cleaning body 1 is wound, the nozzle 35 can be disposed close to the cleaning body 1 (to near the thickness of the roll cell). The cleaning ability can be improved.
[0034]
{Circle around (2)} As described in {circle around (1)}, since the nozzle 35 and the cleaning body 1 can be brought as close as possible, the pressure of the jet fluid required to secure a constant cleaning performance can be reduced, and as a result, the cleaning fluid (air , Water, steam, etc.), and the wear of the nozzle 35 is also reduced, so that the life of the apparatus can be improved.
[0035]
(3) Since the cleaning fluid is sprayed and supplied to the cleaning body 1 at a portion where the cleaning body 1 is wound around the rotating roll 21 and turned, the cleaning fluid has a strong cleaning power with centrifugal force added to the spray pressure. Is supplied to the cleaning body 1 with the cleaning fluid, and the dirt adhering to the cleaning body 1 is also provided with the cleaning action of the cleaning fluid under the action of the centrifugal force, thereby also improving the cleaning ability. it can.
[0036]
{Circle around (4)} The cleaning fluid is sprayed and supplied to the cleaning body 1 at a portion where the cleaning body 1 is wound around the rotating roll 21 and turned. Due to the effect of the winding angle on the roll, the eyes of the cleaning body 1 are expanded, and as a result, dirt clogged in the eyes of the cleaning body 1 is blown out and removed by the jet pressure of the cleaning fluid and centrifugal force. The cleaning ability can be improved easily.
[0037]
(5) The cleaning fluid is sprayed and supplied to the cleaning body 1 at a portion where the cleaning body 1 is wound around the rotating roll 21 and turned. The inner surface of the cleaning body 1 (in contact with) the rotating roll 21 is a rotating roll. There is a certain gap between the roll surface 21 and a fluid film (air film, water film, etc.). For this reason, dirt adhering to the inner surface of the cleaning body 1 with respect to the rotating roll 21 is promoted to float on the inner surface of the cleaning body 1 due to the presence of the gap, and as a result, the cleaning body 1 is separated from the rotating roll 21. At the exit side of the wrapping angle, the discharge is discharged outward in the tangential direction of the roll rotation, thereby also improving the cleaning ability.
[0038]
{Circle around (6)} When the rotating roll 21 is caused to rotate along with the cleaning body 1 without being forcibly driven, the rotating roll 21 obtains the above-mentioned gap between the cleaning body 1 and the cleaning body 1 so that the cleaning body 1 can travel at high speed. I slip around and take it around. Accordingly, the rotating roll 21 is rotated at a moderately low speed, and the fragile structure caused by the provision of the large number of shower windows 24 is protected thereby, so that a certain fatigue strength can be secured.
[0039]
{Circle around (7)} Since the spray nozzle 35 is disposed in the rotary roll 21, there is no possibility that the spray nozzle 35 will be directly in contact with the cleaning body 1 and will be scratched, so that the durability of the cleaning body 1 can be improved.
[0040]
(8) The shower window group 25 of the rotating roll 21 and the nozzle group 36 of the cleaning fluid supply device 31 are arranged at a constant pitch in the roll axis direction. Therefore, the entire area of the cleaning body 1 in the width direction can be cleaned by reciprocating the rotating roll 21 and the cleaning fluid supply apparatus 31 over a range exceeding the predetermined pitch by the sliding device 41.
[0041]
(9) Since at least one shower window 24 of the shower window group 25 of the rotating roll 21 is formed with a large-diameter hole 24A for nozzle replacement, the nozzle tip 102 and the like of the cleaning fluid supply device 31 can be easily replaced from this hole 24A. it can.
[0042]
In the embodiment of the present invention, as shown in FIG. 5, two sets of shower cleaning devices 10 (10A, 10B) are juxtaposed, and the cleaning body 1 is attached to the shower cleaning devices 10A, 10B in an S-shape. By being wound, (a) the surface of the cleaning body 1 that is very dirty is wound around the rotating roll 21 of the shower cleaning device 10A so that the surface of the cleaning body 1 is cleaned with the rotating surface of the rotating roll 21. In the (gap), the surface of the cleaning body 1 is made to emerge on the surface of the cleaning body 1 by, for example, steam (the operation of (5) described above). Then, the dirt floating in the above (a) is blown off from the back surface of the cleaning body 1 by a jet fluid (air, water, steam, etc.) penetrating the surface of the cleaning body 1, and as a result, the dirt on the cleaning body 1 is more reliably removed. Shall be washed It may be.
[0043]
As described above, the embodiments of the present invention have been described in detail with reference to the drawings. However, the specific configuration of the present invention is not limited to the embodiments, and there may be a design change or the like without departing from the gist of the present invention. This is also included in the present invention.
[0044]
【The invention's effect】
As described above, according to the present invention, in the shower cleaning device, the nozzle and the cleaning body can be brought close to each other, and the cleaning performance can be improved.
[Brief description of the drawings]
FIG. 1 is a sectional view showing a shower cleaning device.
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a sectional view taken along line III-III in FIG. 1;
FIG. 4 is an enlarged view of a main part of FIG. 3;
FIG. 5 is a schematic view showing a modified example of the shower cleaning device.
[Explanation of symbols]
Reference Signs List 1 cleaning body 10 shower cleaning device 21 rotating roll 24 shower window 24A large-diameter hole 25 for nozzle replacement window group 31 cleaning fluid supply device 35 cleaning fluid injection nozzle 36 nozzle group 41 sliding device

Claims (3)

In a shower cleaning device for cleaning a belt-shaped cleaning body,
In a state where the cleaning body is wound around, a hollow rotating roll that rotates in the traveling direction of the cleaning body and has a plurality of shower windows formed along the rotation direction,
A cleaning fluid supply device that is provided inside the rotating roll and has a cleaning fluid ejection nozzle arranged inside each shower window of the rotating roll within a range of a winding angle of the cleaning body around the rotating roll;
A shower cleaning device comprising: a rotating roll; and a sliding device that reciprocates the cleaning fluid supply device integrally in the roll axis direction of the rotating roll. At each of a plurality of positions where the rotating roll is at a constant pitch in the roll axis direction, a window group including a plurality of shower windows is formed along the roll rotating direction,
The cleaning fluid supply device forms a nozzle group including a plurality of cleaning fluid ejection nozzles along a longitudinal direction of each shower window at a constant pitch corresponding to each shower window of the rotary roll in the roll axis direction of the rotary roll. The shower cleaning device according to claim 1, which is arranged in tandem. In each of the window groups formed at each position in the roll axis direction of the rotating roll, a large-diameter hole for nozzle replacement is provided in a part of at least one shower window of the shower windows constituting the window group in the longitudinal direction. The shower cleaning device according to claim 2 formed.

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