Paper machine net part deviation detection device

Abstract

The utility model belongs to the technical field of papermaking machinery, and relates to a paper machine net part deviation detection device which comprises a shell, a stroke sensor is arranged in the shell and connected with a swing rod, the bottom of the swing rod penetrates through the shell and is connected with a contact piece, a pneumatic tire is arranged at the position where the swing rod penetrates through the shell, and a gas connector is arranged on the shell. The shell is provided with an output port matched with the stroke sensor, and the bottom of the shell is provided with a movable sliding rail. The position change of paper in the processing process can be detected in time, the phenomenon that the paper deviates in the conveying process is prevented, meanwhile, the detection element is sealed, dry air is introduced into the detection element for filling, and therefore water vapor is prevented from entering the device, and the quality of the paper is improved. And the service life and the detection precision of the detection element are ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of papermaking machinery and relates to a paper machine wire deviation detection device. Background Art

[0002] The wire section of a papermaking machine is a crucial component in paper processing and conveying. During this process, it's prone to misalignment, leading to subsequent quality defects in the paper. A Chinese utility model patent, published under the publication number CN206955336U, describes a wire section misalignment sensing device for a papermaking machine. The device includes a mounting base, a proximity switch, and a swinging member spaced apart on the mounting base. The swinging member is equipped with a sensor plate. The swinging member can rotate toward the proximity switch, causing the sensor plate to trigger the proximity switch and generate a sensing signal.

[0003] The existing technology has the following technical defects:

[0004] The above technical solution has the function of detecting deviation, but in actual application, the wire part of the papermaking machine is very likely to generate water vapor, and the above device has an open structure, so water is very likely to enter the sensor, causing damage to the measuring element. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a device for detecting wire deviation of a paper machine.

[0006] The paper machine mesh deviation detection device described in the utility model includes a shell, a stroke sensor is provided in the shell, the stroke sensor is connected to a swing rod, the bottom of the swing rod passes through the shell and is connected to a contact piece, an air tire is provided at the position where the swing rod passes through the shell, a gas connection port is provided on the shell, an output port compatible with the stroke sensor is provided on the shell, and a movable slide rail is provided at the bottom of the shell.

[0007] Working process or working principle:

[0008] During operation, the slide rail is installed on the frame of the paper machine and is adjusted to a suitable position for fixing so that the contact piece is in contact with the paper. When the paper deviates, the contact piece is squeezed, thereby driving the swing arm to swing, driving the travel rod of the travel switch to move, thereby transmitting the signal through the output port to realize the deviation reminder. During operation, dry gas is introduced through the gas connection port to fill the interior, thereby preventing water vapor from entering and affecting the detection elements. The connection between the swing arm and the travel rod of the travel sensor adopts an active link, such as a hinge, rope, or a movable ring, to avoid motion interference.

[0009] A bracket is fixedly connected to the shell, an adjusting rod is slidably connected to the bracket, the end of the adjusting rod is hinged to the swing rod, the adjusting rod is fixedly connected to the stroke sensor through a connecting column, and the other end of the adjusting rod is provided with an adjusting component that passes through the shell.

[0010] A guide seat adapted to the travel sensor is provided inside the shell. When the adjusting rod moves, the travel sensor can move synchronously without swinging or shaking.

[0011] The adjusting assembly includes a threaded rod threadedly connected to the shell, a rotating sleeve is provided on one end of the threaded rod located inside the shell, and a rotating plate is provided on the other end of the adjusting rod for rotationally connected to the rotating sleeve. The adjusting rod does not rotate, but only realizes the rotation of the rotating sleeve on the rotating plate. An adjusting nut is provided at one end of the threaded rod located outside the shell, and movement on the shell is achieved by rotating the threaded rod. The cooperation of the rotating sleeve and the rotating plate can realize the rotation of the threaded rod without rotating the adjusting rod, thereby realizing the position movement of the adjusting rod in the shell and fine-tuning of the contact piece.

[0012] An extension rod is connected between the swing rod and the contact piece.

[0013] The contact piece is provided with a fixing plate, which is connected with fixing bolts. The contact piece can be adjusted to a suitable working position on the extension rod through the fixing plate and the fixing bolts.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The utility model can timely detect the position change of paper during the processing, prevent the paper from deviating during the transportation process, and at the same time seal the detection element and fill it with dry air to prevent water vapor from entering the device, thereby ensuring the service life of the detection element and the detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural diagram of an embodiment of the utility model.

[0017] Figure 2 This is a schematic diagram of the internal structure of an embodiment of the utility model.

[0018] Figure 3 This is a schematic structural diagram of an adjusting rod in one embodiment of the present invention.

[0019] Figure 4 This is a schematic diagram of the working state of an embodiment of the utility model.

[0020] In the figure: 1. Shell; 2. Contact piece; 3. Paper; 4. Output port; 5. Threaded rod; 6. Adjusting nut; 7. Moving slide rail; 8. Gas connection port; 9. Fixing bolt; 10. Fixing plate; 11. Extension rod; 12. Pneumatic tire; 13. Guide seat; 14. Travel sensor; 15. Connecting column; 16. Swing rod; 17. Bracket; 18. Adjusting rod; 19. Turning plate; 20. Turning sleeve. DETAILED DESCRIPTION

[0021] Example 1

[0022] like Figures 1 to 4 As shown, the paper machine wire deviation detection device described in the present invention includes a shell 1, a stroke sensor 14 is provided in the shell 1, the stroke sensor 14 is connected to a swing rod 16, the bottom of the swing rod 16 passes through the shell 1 and is connected to a contact piece 2, an air tire 12 is provided at the position where the swing rod 16 passes through the shell 1, a gas connection port 8 is provided on the shell 1, an output port 4 adapted to the stroke sensor 14 is provided on the shell 1, and a movable slide rail 7 is provided at the bottom of the shell 1; a bracket 17 is fixedly connected to the shell 1, an adjusting rod 18 is slidably connected to the bracket 17, the end of the adjusting rod 18 is hinged to the swing rod 16, the adjusting rod 18 is fixedly connected to the stroke sensor 14 through a connecting column 15, and the other end of the adjusting rod 18 is provided with an adjusting component passing through the shell 1; a guide seat 13 adapted to the stroke sensor 14 is provided inside the shell 1, and when the adjusting rod 18 moves, the stroke sensor The device 14 moves synchronously without swinging or shaking; the adjusting assembly includes a threaded rod 5 threadedly connected to the shell 1, and a rotating sleeve 20 is provided on one end of the threaded rod 5 located inside the shell 1. The other end of the adjusting rod 18 is provided with a rotating plate 19 rotatably connected to the rotating sleeve 20. The end of the threaded rod 5 located outside the shell 1 is provided with an adjusting nut 6. The movement on the shell 1 is achieved by rotating the threaded rod 5. The cooperation of the rotating sleeve 20 and the rotating plate 19 can realize the rotation of the threaded rod 5 while the adjusting rod 18 does not rotate, thereby realizing the position movement of the adjusting rod 18 in the shell 1 and achieving fine-tuning of the contact piece 2; an extension rod 11 is connected between the swing rod 16 and the contact piece 2; a fixing plate 10 is provided on the contact piece 2, and a fixing bolt 9 is connected to the fixing plate 10. The contact piece 2 can be adjusted to a suitable working position on the extension rod 11 through the fixing plate 10 and the fixing bolt 9.

[0023] Working process or working principle:

[0024] During operation, the slide rail 7 is installed on the frame of the paper machine and adjusted to a suitable position for fixing. The contact piece 2 can be adjusted to a suitable working position on the extension rod 11 through the fixing plate 10 and the fixing bolt 9, and then adjusted through the threaded rod 5 to make the contact piece 2 just in contact with the paper 3. When the paper 3 deviates, the contact piece 2 is squeezed, thereby driving the swing rod 16 to swing, driving the travel rod of the travel switch to move, thereby transmitting the signal through the output port 4 to realize the deviation reminder, and when working, dry gas is introduced through the gas connection port 8 to fill the interior, thereby preventing water vapor from entering and affecting the detection element. The connection between the swing rod 16 and the travel rod of the travel sensor 14 adopts an active link, such as a hinge, rope, or a movable ring, to avoid motion interference.

[0025] The utility model can timely detect the position change of paper during the processing, prevent the paper from deviating during the transportation process, and at the same time seal the detection element and fill it with dry air to prevent water vapor from entering the device, thereby ensuring the service life of the detection element and the detection accuracy.

[0026] The description of the direction and relative position relationship of the structure in the present invention, such as the description of front, back, left, right, up and down, does not constitute a limitation of the present invention and is only for the convenience of description.

Claims

1. A paper machine wire deviation detection device, characterized by: The invention comprises a housing (1), a stroke sensor (14) is provided in the housing (1), the stroke sensor (14) is connected to a swing rod (16), the bottom of the swing rod (16) passes through the housing (1) and is connected to a contact piece (2), a pneumatic tire (12) is provided at the position where the swing rod (16) passes through the housing (1), a gas connection port (8) is provided on the housing (1), an output port (4) adapted to the stroke sensor (14) is provided on the housing (1), and a movable slide rail (7) is provided at the bottom of the housing (1).

2. The paper machine wire deviation detection device according to claim 1, characterized in that: A bracket (17) is fixedly connected to the housing (1), an adjusting rod (18) is slidably connected to the bracket (17), an end of the adjusting rod (18) is hinged to the swing rod (16), the adjusting rod (18) is fixedly connected to the stroke sensor (14) through a connecting column (15), and the other end of the adjusting rod (18) is provided with an adjusting component that penetrates the housing (1).

3. The paper machine wire deviation detection device according to claim 2, characterized in that: A guide seat (13) adapted to a travel sensor (14) is provided inside the housing (1).

4. The paper machine wire deviation detection device according to claim 3, characterized in that: The adjustment assembly comprises a threaded rod (5) threadedly connected to the housing (1); a rotating sleeve (20) is provided on one end of the threaded rod (5) located inside the housing (1); a rotating plate (19) rotatably connected to the rotating sleeve (20) is provided on the other end of the adjustment rod (18); and an adjusting nut (6) is provided on one end of the threaded rod (5) located outside the housing (1).

5. The paper machine wire deviation detection device according to any one of claims 1 to 4, characterized in that: An extension rod (11) is connected between the swing rod (16) and the contact piece (2).

6. The paper machine wire deviation detection device according to claim 5, characterized in that: A fixing plate (10) is provided on the contact piece (2), and a fixing bolt (9) is connected to the fixing plate (10).

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