Trimming water needle liquid control device

Abstract

A trimming water needle liquid control device relates to the technical field of paper machine appliances and comprises a filter cavity shell, a cylindrical filter screen is coaxially and rotatably arranged in the filter cavity shell, a liquid distribution pipe positioned in the cylindrical filter screen is fixedly connected in the filter cavity shell, and a plurality of liquid distribution holes are uniformly distributed in the peripheral wall, positioned in the cylindrical filter screen, of the liquid distribution pipe. And the cylindrical filter screen is rotationally arranged by taking the axis as a rotating center. The edge cutting water needle solves the problems that in the using process of an edge cutting water needle in the prior art, when the water needle liquid is filtered by a filtering device, the filtering device needs to be dismounted and maintained regularly, so that the edge cutting efficiency in the papermaking process is reduced; the problems that when an existing filtering structure for edge cutting is used, impurities adhere to a filtering assembly, the penetrating efficiency of liquid is affected, and then the edge cutting efficiency of a water needle is reduced are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper machine utensil technical field, concretely relates to the edge cutting water needle liquid control device. BACKGROUND

[0002] The edge cutting water needle nozzle needs to be used on the gap former paper machine to cut the paper edge, and the water needle nozzle is affected by foreign matter and blockage during the paper edge cutting process, which causes low edge cutting accuracy, and the nozzle is blocked by foreign matter accumulation and residue during the paper edge cutting process, which is not conducive to accurate cutting of the paper edge.

[0003] The prior art discloses a patent with a publication number CN206173737U, which comprises a flat vacuum box, a support, a support disc, a nozzle support, a nozzle rotating joint, a nozzle, a first filter, a threaded pipe, a petal-shaped nozzle, a spring, a nozzle outer pipe, an adjusting valve, a second filter, a high-pressure connector, a high-pressure hose, a pressure gauge and a material, one side of the nozzle support is connected with the nozzle rotating joint, the upper end of the nozzle is provided with the first filter, and the lower end of the first filter is provided with the threaded pipe, the inside of the nozzle is provided with two petal-shaped nozzles, the side of the petal-shaped nozzle is provided with a plurality of springs, the lower end of the adjusting valve is connected with the second filter, and the beneficial effects are: the first filter is installed to facilitate the removal of large particle impurities, the petal-shaped nozzle and the spring are installed in the nozzle to facilitate manual cleaning of the blockage in the petal-shaped nozzle, the paper edge cutting accuracy is improved, and the adjusting valve is installed to facilitate the control of water pressure and flexible edge cutting.

[0004] The existing device gradually exposes the shortcomings of the technology with use, mainly in the following aspects:

[0005] First, the existing edge cutting water needle needs to be periodically disassembled and maintained during use, which reduces the edge cutting efficiency in the papermaking process.

[0006] Second, the existing filter structure for edge cutting is used, and the impurities adhere to the filter assembly, which affects the penetration efficiency of the liquid and reduces the edge cutting efficiency of the water needle.

[0007] From the above, it is obvious that the prior art has inconvenience and defects in actual use, so it is necessary to improve. UTILITY MODEL CONTENTS

[0008] In view of the defects in the prior art, the utility model provides a cut edge water needle liquid control device to solve the problems that in the prior art, the filter device needs to be regularly disassembled and maintained when filtering the water needle liquid in the use process of the traditional cut edge water needle, which reduces the cut edge efficiency in the papermaking process, and the existing filter structure for cut edge affects the penetration efficiency of the liquid when in use because impurities adhere to the filter assembly, thereby reducing the cut edge efficiency of the water needle.

[0009] To achieve the above object, the utility model provides the following technical scheme:

[0010] The cut edge water needle liquid control device, including filter cavity shell, the filter cavity shell is provided with cylindrical filter screen in coaxial rotation, the filter cavity shell is fixed with liquid distribution pipe in the cylindrical filter screen,

[0011] The cylindrical filter screen is rotationally arranged with its axis as the rotation center, the side wall of the liquid distribution pipe is vertically fixed with a scraper, the side wall of the scraper is in frictional contact with the inner wall of the cylindrical filter screen,

[0012] The area between the inner wall of the filter cavity shell and the outer wall of the cylindrical filter screen is fixed with a reverse cleaning pipe along the vertical direction, and a plurality of liquid injection holes towards the cylindrical filter screen are formed on the side wall of the reverse cleaning pipe along the axial direction.

[0013] As an optimized scheme, the upper port of the liquid distribution pipe extends to the outside through the filter cavity shell and is fixed with a liquid inlet tee joint valve.

[0014] As an optimized scheme, the upper end of the reverse cleaning pipe extends to the outside of the filter cavity shell and is connected with the liquid inlet tee joint valve through a connecting elbow.

[0015] As an optimized scheme, a cleaning cylinder communicating with the inner cavity of the cylindrical filter screen is fixed at the bottom of the filter cavity shell, the upper end of the cleaning cylinder is fixed with a collection disc, the outer diameter of the collection disc matches the inner diameter of the cylindrical filter screen, and a collection groove communicating with the cleaning cylinder is formed on the upper surface of the collection disc.

[0016] As an optimized scheme, the collection groove is gradually tapered from top to bottom.

[0017] As an optimized scheme, the inner bottom surface and the inner top surface of the filter cavity shell are respectively rotationally installed with support discs, annular insertion grooves are formed on the opposite end surfaces of the two support discs, and the two ends of the cylindrical filter screen are correspondingly inserted and fixed in the two annular insertion grooves.

[0018] As an optimized scheme, the bottom surface of the filtering cavity shell is rotatably provided with a rotating drum sleeved on the cleaning cylinder, the support disc below is provided with an avoiding hole, and the upper end of the rotating drum is fixedly connected in the avoiding hole.

[0019] As an optimized scheme, the outer wall of the rotating drum is fixedly connected with a gear ring, the outer bottom surface of the filtering cavity shell is fixedly connected with a driving machine, and the output end of the driving machine is engaged with the gear ring through a gear.

[0020] As an optimized scheme, the lower end of the cleaning cylinder extends below the rotating drum and is threadedly connected with a plug.

[0021] As an optimized scheme, the outer bottom surface of the filtering cavity shell is fixedly connected with a support, and the support is fixedly connected with the outer wall of the cleaning cylinder.

[0022] As an optimized scheme, the lower end of the reverse cleaning pipe is sealed.

[0023] As an optimized scheme, the lower end of the liquid distribution pipe is sealed.

[0024] As an optimized scheme, the outer wall of the filtering cavity shell is fixedly connected with a liquid discharge cylinder communicating the region between the outer wall of the cylindrical filter screen and the inner wall of the filtering cavity shell.

[0025] Compared with the prior art, the utility model has the advantages that:

[0026] The liquid for water needle edge cutting enters into the liquid distribution pipe through the three-way valve, can be uniformly sprayed through the liquid distribution hole, and passes through the cylindrical filter screen to filter impurities in the liquid. The impurities in the liquid are blocked in the cylindrical filter screen, impurity filtering is realized, and the influence of liquid impurities on the water needle nozzle is reduced.

[0027] With use, when too much impurities are attached to the inner wall surface of the cylindrical filter screen and affect liquid penetration, the cylindrical filter screen is rotated through the driving machine, the impurities attached to the surface of the cylindrical filter screen can be scraped off through the scraper, and the penetration efficiency of the liquid is ensured.

[0028] When impurities are accumulated in the mesh holes of the cylindrical filter screen during long-term use, when the cylindrical filter screen needs to be maintained, the three-way valve is connected to a clean water source, the three-way valve is rotated, liquid is supplied into the reverse cleaning pipe, the filter screen is sprayed from the outside to the inside through the liquid injection hole, the impurities in the mesh holes are blown into the cylindrical filter screen, and reverse cleaning is realized.

[0029] The cleaned impurities are deposited into the cleaning cylinder through the collecting groove under the action of gravity, and the impurities in the interior are discharged through the opened plug in the later period, which is convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0030] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0031] Figure 1 This is a schematic diagram of the structure of this utility model.

[0032] In the diagram: 1-Filter chamber shell; 2-Cylindrical filter screen; 3-Liquid distribution pipe; 4-Distribution hole; 5-Scraper; 6-Reverse cleaning pipe; 7-Spray hole; 8-Collection tray; 9-Cleaning cylinder; 10-Collection tank; 11-Plug; 12-Rotating cylinder; 13-Support plate; 14-Drive motor; 15-Bracket; 16-Three-way valve; 17-Connecting elbow; 18-Liquid discharge cylinder. Detailed Implementation

[0033] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0034] like Figure 1 As shown, the edge-cutting water injection control device includes a filter chamber shell 1, a cylindrical filter screen 2 coaxially rotatable inside the filter chamber shell 1, and a liquid distribution pipe 3 fixedly connected inside the filter chamber shell 1 and located within the cylindrical filter screen 2. The liquid distribution pipe 3 has a plurality of distributing holes 4 evenly distributed on its peripheral wall inside the cylindrical filter screen 2.

[0035] The cylindrical filter screen 2 is rotatably mounted with its axis as the center of rotation. A scraper 5 is vertically fixed to the side wall of the liquid distribution pipe 3, and the side wall of the scraper 5 is in frictional contact with the inner wall of the cylindrical filter screen 2.

[0036] A reverse cleaning pipe 6 is fixed vertically in the area between the inner wall of the filter chamber shell 1 and the outer wall of the cylindrical filter screen 2. Several spray holes 7 facing the cylindrical filter screen 2 are arranged in parallel along the axial direction on the side wall of the reverse cleaning pipe 6.

[0037] The upper port of the liquid distribution pipe 3 extends through the filter chamber shell 1 to the outside and is fixedly connected to the liquid inlet three-way valve 16.

[0038] The upper end of the reverse cleaning pipe 6 extends to the outside of the filter chamber shell 1 and is connected to the liquid inlet three-way valve 16 via the connecting elbow 17.

[0039] The bottom of the filtering cavity shell 1 is fixedly provided with a cleaning cylinder 9 communicating with the inner cavity of the cylindrical filter screen 2, and the upper end of the cleaning cylinder 9 is fixedly connected with a collecting disc 8, the outer diameter of the collecting disc 8 matches the inner diameter of the cylindrical filter screen 2, and the upper surface of the collecting disc 8 is provided with a collecting groove 10 communicating with the cleaning cylinder 9.

[0040] The collecting groove 10 is gradually tapered from top to bottom.

[0041] The inner bottom surface and the inner top surface of the filtering cavity shell 1 are respectively rotatably provided with support discs 13, the opposite end surfaces of the two support discs 13 are provided with annular insertion grooves, and the two ends of the cylindrical filter screen 2 are correspondingly inserted and fixed in the two annular insertion grooves.

[0042] The bottom surface of the filtering cavity shell 1 is rotatably provided with a rotating cylinder 12 sleeved on the cleaning cylinder 9, the lower support disc 13 is provided with an avoiding hole, and the upper end of the rotating cylinder 12 is fixedly connected in the avoiding hole.

[0043] The outer wall of the rotating cylinder 12 is fixedly connected with a gear ring, the outer bottom surface of the filtering cavity shell 1 is fixedly connected with a driving machine 14, and the output end of the driving machine 14 is engaged with the gear ring through a gear.

[0044] The lower end of the cleaning cylinder 9 extends to the lower side of the rotating cylinder 12 and is threadedly connected with a plug 11.

[0045] The outer bottom surface of the filtering cavity shell 1 is fixedly connected with a support 15, and the support 15 is fixedly connected with the outer wall of the cleaning cylinder 9.

[0046] The lower end of the reverse cleaning pipe 6 is sealed.

[0047] The lower end of the liquid distribution pipe 3 is sealed.

[0048] The outer wall of the filtering cavity shell 1 is fixedly connected with a liquid discharge cylinder 18 communicating with the region between the outer wall of the cylindrical filter screen 2 and the inner wall of the filtering cavity shell 1.

[0049] The working principle of the device is as follows:

[0050] The liquid for water needle edge cutting enters the liquid distribution pipe 3 through the three-way valve 16, can be uniformly sprayed through the liquid distribution hole 4, and can pass through the cylindrical filter screen 2 to filter the impurities in the liquid, so that the impurities in the liquid are blocked in the inner part of the cylindrical filter screen 2, the impurities are filtered, and the influence of the impurities in the liquid on the blockage of the water needle nozzle is reduced.

[0051] With use, when the impurities adhered to the inner wall surface of the cylindrical filter screen 2 are too much to affect the penetration of the liquid, the cylindrical filter screen 2 is rotated by the driving machine 14, so that the impurities adhered to the surface of the cylindrical filter screen 2 are scraped off by the scraper 5, and the penetration efficiency of the liquid is ensured.

[0052] When the impurities also accumulate inside the mesh of the cylindrical filter screen 2 along with long-term use, when the cylindrical filter screen 2 needs to be maintained, the three-way valve 16 is connected to a clean water source, the three-way valve 16 is rotated, liquid is supplied into the reverse cleaning pipe 6, the filter screen is blown from the outside to the inside by the liquid injection hole 7, the impurities inside the mesh are blown into the cylindrical filter screen 2, and reverse cleaning is realized;

[0053] The cleaned impurities are deposited into the cleaning cylinder 9 by the collecting groove 10 under the action of gravity, and the impurities inside are discharged by opening the plug 11 in the later period, which is convenient and fast.

[0054] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and 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 present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. A trim water needle control device, characterized by: Including filter cavity shell (1), the cylindrical filter screen (2) is rotationally arranged coaxially in the filter cavity shell (1), the liquid distribution pipe (3) is fixedly connected in the cylindrical filter screen (2) in the filter cavity shell (1), the liquid distribution pipe (3) is uniformly distributed with a plurality of liquid distribution holes (4) on the circumferential wall in the cylindrical filter screen (2), The cylindrical filter screen (2) is rotationally arranged with its axis as the rotation center, the side wall of the liquid distribution pipe (3) is vertically fixedly connected with a scraper (5), the side wall of the scraper (5) is in frictional contact with the inner wall of the cylindrical filter screen (2), The area between the inner wall of the filter cavity shell (1) and the outer wall of the cylindrical filter screen (2) is fixedly connected with a reverse cleaning pipe (6) along the vertical direction, a plurality of liquid injection holes (7) are arranged on the side wall of the reverse cleaning pipe (6) along the axial direction and are parallel to each other and are directed to the cylindrical filter screen (2).

2. The trim water jet control apparatus of claim 1, wherein: The upper end of the liquid distribution pipe (3) extends to the outside through the filter cavity shell (1) and is fixedly connected with a liquid inlet three-way valve (16).

3. The trim water jet control apparatus of claim 2, wherein: The upper end of the reverse cleaning pipe (6) extends to the outside of the filter cavity shell (1) and is connected with the liquid inlet three-way valve (16) through a connecting elbow (17).

4. The trim water jet control apparatus of claim 3, wherein: The bottom of the filter cavity shell (1) is fixedly provided with a cleaning cylinder (9) communicating with the inner cavity of the cylindrical filter screen (2), the upper end of the cleaning cylinder (9) is fixedly connected with a collecting disc (8), the outer diameter of the collecting disc (8) matches the inner diameter of the cylindrical filter screen (2), and the upper surface of the collecting disc (8) is provided with a collecting groove (10) communicating with the cleaning cylinder (9).

5. The trim water jet control apparatus of claim 4, wherein: The inner bottom surface and the inner top surface of the filter cavity shell (1) are rotationally provided with support discs (13), respectively, annular insertion grooves are arranged on the opposite end surfaces of the two support discs (13), and the two ends of the cylindrical filter screen (2) are correspondingly inserted and fixed in the two annular insertion grooves.

6. The trim water jet control apparatus of claim 5, wherein: The bottom surface of the filter cavity shell (1) is rotationally provided with a rotating cylinder (12) sleeved on the cleaning cylinder (9), the lower support disc (13) is provided with an avoiding hole, and the upper end of the rotating cylinder (12) is fixedly connected in the avoiding hole.

7. The trim water jet control apparatus of claim 6, wherein: The outer wall of the rotating cylinder (12) is fixedly connected with a gear ring, the outer bottom surface of the filter cavity shell (1) is fixedly connected with a driving machine (14), and the output end of the driving machine (14) is engaged with the gear ring through a gear.

8. The trim water jet control apparatus of claim 7, wherein: The lower end of the cleaning cylinder (9) extends to the lower side of the rotating cylinder (12) and is threadedly connected with a plug (11).

9. The trim water jet control apparatus of claim 8, wherein: The outer bottom surface of the filter cavity shell (1) is fixedly connected with a support (15), and the support (15) is fixedly connected with the outer wall of the cleaning cylinder (9).

10. The trim water jet control apparatus of claim 9, wherein: The outer wall of the filter cavity shell (1) is fixedly connected with a liquid discharge cylinder (18) communicating with the area between the outer wall of the cylindrical filter screen (2) and the inner wall of the filter cavity shell (1).

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