Paper web shake removing and broken paper reducing device

Abstract

The utility model relates to a paper web shake removing and broken paper reducing device, which belongs to the technical field of paper web production and comprises a workbench and support plates fixedly connected to the front and back of the top of the workbench, and an adsorption positioning mechanism capable of performing anti-deviation positioning on a paper web is arranged between the two support plates. The adsorption positioning mechanism comprises an air extracting pump fixedly installed on the front face of the top of the workbench, and the output end of the air extracting pump is fixedly connected with a connecting pipe. According to the paper web shake removing and broken paper reducing device, air in the conveying cylinder can be pumped out by arranging an air pump, a connecting pipe, a flow divider and a conveying pipe, meanwhile, the surface of the conveying cylinder has a certain suction force by arranging small air pumping holes, and therefore when a paper web moves on the surface of the conveying cylinder, the paper web can be adsorbed and positioned; and meanwhile, the surface of the paper web cannot be damaged, the stability of the paper web is improved, and the shaking frequency of the paper web can also be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper web production technical field, concretely is a paper web de-shaking and paper breaking device. BACKGROUND

[0002] In paper machines or some printing processes, paper is produced in the form of a continuous strip, which is also called a paper web. In this case, the width of the paper web is fixed, while the length is cut according to production requirements. Paper web de-shaking and paper breaking is an important technical challenge in the papermaking, printing and packaging industries, which involves how to ensure the stability of the paper web during high-speed operation to reduce shaking and paper breaking, thereby improving production efficiency and product quality.

[0003] The reasons for paper web shaking and paper breaking are various, which may include mechanical factors, airflow factors, paper quality factors and human operation factors, etc. For example, the wear, imbalance or improper adjustment of mechanical parts may cause the paper web to shake during operation; the airflow vortex in the cutting machine cavity may also impact the paper web, causing its swing amplitude to increase; the quality problems of the paper itself, such as sticking, holes, cracks, etc., may also increase the risk of paper breaking; in addition, improper or negligent human operation may also cause the paper web to shake and break.

[0004] In the process of paper web production, the paper web needs to be positioned to avoid shaking and breaking, and the positioning method of the paper web is usually tension adjustment at present. Although pure tension adjustment can make the paper web in a tight state, it may still have front and rear offset conditions, which cannot meet the production requirements, so a paper web de-shaking and paper breaking device is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In view of the defects of the prior art, the utility model provides a paper web de-shaking and paper breaking device, which has the advantages of facilitating paper web offset, and solves the problem that the positioning method of the paper web is usually tension adjustment at present, and pure tension adjustment can make the paper web in a tight state, but it may still have front and rear offset conditions, which cannot meet the production requirements.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a paper web de-shaking and paper breaking device, comprising a workbench and support plates fixedly connected to the top front and back of the workbench, an adsorption positioning mechanism capable of preventing the paper web from offsetting and positioning is arranged between the two support plates;

[0007] The adsorbing positioning mechanism comprises a suction pump fixedly installed on the front face of the top of the workbench, a connecting pipe fixedly connected to the output end of the suction pump, a flow divider fixedly connected to the end of the connecting pipe away from the suction pump, two conveying cylinders rotationally connected between the two supporting plates, a conveying pipe fixedly connected between the flow divider and each of the two conveying cylinders, and a suction hole formed in the outer surface of each of the two conveying cylinders and communicating with the inside thereof.

[0008] Further, the flow divider is fixedly installed on the front face of the front supporting plate, the two conveying cylinders are on the same horizontal line, and the back face of the back supporting plate is fixedly installed with a driving device capable of driving the two conveying cylinders simultaneously.

[0009] Further, the two conveying cylinders are hollow cylinders, and hollow bearings adapted to the two conveying cylinders are fixedly installed on the opposite sides of the two supporting plates, and the conveying pipe penetrates through the hollow bearings.

[0010] Further, slidingly connected to the opposite sides of the two supporting plates are mounting blocks, and a tensioning cylinder is rotationally connected between the two mounting blocks, and the back face of the back supporting plate is provided with an adjusting mechanism capable of adjusting the tensioning cylinder.

[0011] Further, the adjusting mechanism comprises two fixed plates fixedly connected to the back face of the back supporting plate, an adjusting screw rotationally connected between the two fixed plates, a driving motor fixedly installed on the top of the top fixed plate and capable of driving the adjusting screw, a threaded sleeve threadedly connected to the outside of the adjusting screw, and a connecting block fixedly connected between the threaded sleeve and the back mounting block.

[0012] Further, the front face of the front mounting block is fixedly connected with a sliding block extending into the inside of the front supporting plate, and the inside of the front supporting plate is provided with a sliding groove adapted to the sliding block.

[0013] Further, the front face and the back face of the top of the workbench are fixedly connected with first mounting plates, and the sides of the two first mounting plates away from each other are fixedly connected with electric push rods extending into the inside thereof, and the output ends of the two electric push rods are fixedly connected with positioning blocks.

[0014] Further, the top of the workbench is fixedly connected with two second mounting plates, and a paper web cylinder is arranged between the two second mounting plates, and the front face and the back face of the paper web cylinder are fixedly connected with positioning rods extending to the outside of the two second mounting plates.

[0015] Compared with the prior art, the paper web de-shaking and paper breaking device has the following beneficial effects:

[0016] 1. The paper web dithering and breaking device, by setting the air pump and the connecting pipe, then setting the flow divider and the conveying pipe, can extract the air inside the conveying cylinder, and at the same time, by setting the air extraction hole, the conveying cylinder surface has a certain suction force, so that the paper web can be adsorbed and positioned when moving on the conveying cylinder surface, avoiding the front and rear deviation of the paper web, and without damaging the surface of the paper web, improving the stability of the paper web, and reducing the frequency of paper web dithering.

[0017] 2. The paper web dithering and breaking device, by setting the electric push rod to drive the positioning block to move, the distance between the two positioning blocks can be adjusted according to the width of the paper web, and at the same time, due to the special shape of the positioning block, the paper web can be limited to avoid deviation, solving the problem that the current limiting method for the paper web is usually tension adjustment, and simply adjusting the tension can make the paper web in a tight state, but it may also occur in front of and behind the deviation, which cannot meet the production requirements. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a sectional view of the utility model structure;

[0019] Fig. 2 It is a structure schematic view of the utility model adsorption positioning mechanism;

[0020] Fig. 3 It is a structure schematic view of the utility model adjusting mechanism;

[0021] Fig. 4 It is a structure side view of the utility model positioning block;

[0022] Fig. 5 It is a structure perspective view of the utility model.

[0023] In the drawing: 1 workbench, 2 support plate, 3 air pump, 4 connecting pipe, 5 flow divider, 6 conveying cylinder, 7 conveying pipe, 8 air extraction hole, 9 mounting block, 10 tensioning cylinder, 11 fixed plate, 12 drive motor, 13 adjusting screw, 14 threaded sleeve, 15 connecting block, 16 first mounting plate, 17 electric push rod, 18 positioning block, 19 second mounting plate, 20 paper web cylinder. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] Embodiment one:

[0026] Please refer to Figs. 1 to 3 The paper web de-shaking and breaking device in the embodiment comprises a workbench 1, support plates 2 fixedly connected to the front and back of the top of the workbench 1, an adsorption positioning mechanism capable of preventing the paper web from deviating and positioning between the two support plates 2, an air suction pump 3 fixedly installed on the front of the top of the workbench 1, a connecting pipe 4 fixedly connected to the output end of the air suction pump 3, a flow divider 5 fixedly connected to the end of the connecting pipe 4 away from the air suction pump 3, two conveying cylinders 6 rotationally connected between the two support plates 2, conveying pipes 7 fixedly connected between the flow divider 5 and the two conveying cylinders 6 respectively, and air suction holes 8 formed in the outer surfaces of the two conveying cylinders 6 and communicating with the interiors of the two conveying cylinders 6.

[0027] The flow divider 5 is fixedly installed on the front of the front support plate 2, the two conveying cylinders 6 are on the same horizontal line, and the back of the back support plate 2 is fixedly installed with a driving device capable of driving the two conveying cylinders 6 simultaneously.

[0028] It should be noted that the two conveying cylinders 6 are hollow cylinders, and hollow bearings matched with the two conveying cylinders 6 are fixedly installed on the opposite sides of the two support plates 2, and the conveying pipes 7 penetrate the hollow bearings, so that the conveying pipes 7 are not affected when the conveying cylinders 6 rotate.

[0029] In the embodiment, mounting blocks 9 are slidingly connected to the opposite sides of the two support plates 2, a tension cylinder 10 is rotationally connected between the two mounting blocks 9, the back of the back support plate 2 is provided with an adjusting mechanism capable of adjusting the tension cylinder 10, the adjusting mechanism comprises two fixed plates 11 fixedly connected to the back of the back support plate 2, an adjusting lead screw 13 rotationally connected between the two fixed plates 11, a driving motor 12 fixedly installed on the top of the top fixed plate 11 and capable of driving the adjusting lead screw 13, a threaded sleeve 14 threadedly connected to the outside of the adjusting lead screw 13, and a connecting block 15 fixedly connected between the threaded sleeve 14 and the back mounting block 9.

[0030] The front of the front mounting block 9 is fixedly connected with a sliding block extending into the interior of the front support plate 2, the interior of the front support plate 2 is provided with a sliding groove matched with the sliding block, the interior of the back support plate 2 is provided with a movable groove matched with the connecting block 15, and the tension cylinder 10 and the two conveying cylinders 6 are in isosceles triangle distribution.

[0031] In the embodiment, the top of the workbench 1 is fixedly connected with two second mounting plates 19, a paper web cylinder 20 is arranged between the two second mounting plates 19, and positioning rods extending to the outside of the two second mounting plates 19 are fixedly connected to the front and back of the paper web cylinder 20.

[0032] Embodiment two:

[0033] Please refer to Figs. 1 to 5On the basis of the first embodiment, the first mounting plate 16 is fixedly connected to the top front and back of the workbench 1, and the two first mounting plates 16 are fixedly connected with the electric push rod 17 extending to the inside of the first mounting plate 16 on the side away from each other, and the output end of the two electric push rods 17 is fixedly connected with the positioning block 18.

[0034] In the embodiment, the shape of the positioning block 18 is a square.

[0035] By using the above technical scheme, the two positioning blocks 18 can be moved by the electric push rod 17, and the distance between the two positioning blocks 18 can be adjusted according to the width of the paper web, and the paper web can be positioned due to the special shape of the positioning block 18, so that the paper web is prevented from being deviated.

[0036] The working principle of the above embodiment is as follows:

[0037] Firstly, the paper web cylinder 20 loaded with the paper web is placed between the two second mounting plates 19, at this time, the air suction pump 3 is started, the paper web is adsorbed from the conveying cylinder 6 by the worker, then the electric push rod 17 is started to move the positioning block 18, so that the two positioning blocks 18 position the paper web, at this time, the driving motor 12 is started to adjust the height of the tensioning cylinder 10, so that the tensioning cylinder 10 tightens the paper web.

[0038] The electrical elements appearing in the text are electrically connected with the main control unit and the power supply, the main control unit can be a conventional known device such as a computer, and the existing disclosed power connection technology also belongs to the public knowledge in the field, which will not be described herein.

[0039] It should be noted that in this text, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or device including the element.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A paper web dewatering and breaking device, comprising a worktable (1) and support plates (2) fixedly connected to the front and back of the top of the worktable (1), characterized in that: Suction positioning mechanisms capable of preventing paper web deviation are arranged between the two support plates (2); The suction positioning mechanisms comprise an air suction pump (3) fixedly installed on the front top surface of the workbench (1), an outlet pipe (4) fixedly connected to the output end of the air suction pump (3), a flow divider (5) fixedly connected to the end of the outlet pipe (4) away from the air suction pump (3), two conveying cylinders (6) rotatably connected between the two support plates (2), and a conveying pipe (7) fixedly connected between the flow divider (5) and each of the two conveying cylinders (6). The outer surfaces of the two conveying cylinders (6) are provided with air suction holes (8) in communication with the interiors of the two conveying cylinders (6).

2. A sheet dewatering and breaking apparatus as claimed in claim 1 wherein: The flow divider (5) is fixedly installed on the front surface of the front support plate (2), and the two conveying cylinders (6) are located on the same horizontal line. The back surface of the back support plate (2) is fixedly installed with a driving device capable of driving the two conveying cylinders (6) simultaneously.

3. A sheet dewatering and breaking apparatus as claimed in claim 1 wherein: The two conveying cylinders (6) are hollow cylinders, and the opposite sides of the two support plates (2) are fixedly installed with hollow bearings matched with the two conveying cylinders (6). The conveying pipe (7) penetrates the hollow bearings.

4. A sheet dewatering and breaking apparatus as claimed in claim 1 wherein: The opposite sides of the two support plates (2) are slidably connected with mounting blocks (9), and the two mounting blocks (9) are rotatably connected with a tension cylinder (10). The back surface of the back support plate (2) is provided with an adjusting mechanism capable of adjusting the tension cylinder (10).

5. A sheet dewatering and breaking apparatus as claimed in claim 4 wherein: The adjusting mechanism comprises two fixed plates (11) fixedly connected to the back surface of the back support plate (2), a adjusting screw (13) rotatably connected between the two fixed plates (11), a driving motor (12) fixedly installed on the top of the top fixed plate (11) and capable of driving the adjusting screw (13), a threaded sleeve (14) threadedly connected to the outer surface of the adjusting screw (13), and a connecting block (15) fixedly connected between the threaded sleeve (14) and the back mounting block (9).

6. A sheet dewatering and breaking apparatus as claimed in claim 4 wherein: The front surface of the front mounting block (9) is fixedly connected with a sliding block extending into the interior of the front support plate (2), and the interior of the front support plate (2) is provided with a sliding groove matched with the sliding block.

7. A sheet dewatering and breaking apparatus as claimed in claim 1 wherein: The top front surface and the top back surface of the workbench (1) are fixedly connected with first mounting plates (16), and the sides of the two first mounting plates (16) away from each other are fixedly connected with electric push rods (17) extending into the interiors of the two first mounting plates (16). The output ends of the two electric push rods (17) are fixedly connected with positioning blocks (18).

8. A sheet dewatering and breaking apparatus as claimed in claim 1 wherein: The top of the workbench (1) is fixedly connected with two second mounting plates (19), and a paper web cylinder (20) is arranged between the two second mounting plates (19). The front surface and the back surface of the paper web cylinder (20) are fixedly connected with positioning rods extending to the exteriors of the two second mounting plates (19).

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