A paper thickness detection device and method for production of worksheets

Abstract

This invention relates to the field of reverse-side cooling water pipe technology and discloses a paper thickness detection device for production of worksheets, comprising: a paper thickness detection instrument, an output shaft on the paper thickness detection instrument, a mounting base connected to the bottom of the output shaft, and a thickness sensor connected to the bottom of the mounting base. Through the cooperation of the paper thickness detection instrument, the output shaft, the mounting base, the thickness sensor, and the receiver, the thickness of the paper to be measured can be accurately detected, ensuring the controllability of thickness parameters during the production of worksheets; an integrated paper scrap cleaning component, utilizing the linkage structure of components such as a motor and lead screw, can clean paper scraps and dust from the bottom of the thickness sensor before and after detection, preventing impurities from affecting detection accuracy; the paper scrap cleaning component is connected to the mounting base via a mounting plate, has a compact structure and does not occupy a large amount of extra space, and achieves multi-track movement of the moving plate through the cooperation of the track groove and the moving rod, taking into account both cleaning and avoidance detection functions.

Description

Technical Field

[0001] This invention relates to the field of reverse side cooling water pipe technology, specifically to a paper thickness detection device and method for production paper. Background Technology

[0002] In the production of exercise paper, paper thickness is one of the key parameters affecting product quality, directly impacting the writing experience, printability, and durability. Therefore, specialized testing equipment is needed to accurately control paper thickness. Currently, most existing paper thickness testing equipment adopts a core structure of "sensor + receiver." The sensor contacts the paper surface, and the receiver collects and analyzes the thickness signal, which can basically meet basic testing needs. However, it still has many shortcomings in actual production applications.

[0003] The production process of worksheets generates a large amount of paper scraps, dust, and other impurities, which easily adhere to the detection surface of the sensors. Existing detection equipment generally lacks a dedicated cleaning mechanism. Long-term adhesion of impurities can lead to a decrease in sensor detection accuracy, resulting in thickness measurement deviations, and consequently affecting the stability of worksheet production quality. Although some equipment is equipped with simple cleaning components, they are mostly independently set up, requiring additional production space and cannot be coordinated with the detection action, resulting in problems such as delayed cleaning timing and interference with the detection process. Summary of the Invention

[0004] The purpose of this invention is to provide a paper thickness detection device and method for production paper, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a paper thickness detection device for production of worksheets, comprising: A paper thickness measuring instrument is provided, wherein the paper thickness measuring instrument is provided with an output shaft, the bottom of the output shaft is connected to a mounting base, the bottom of the mounting base is connected to a thickness sensor, and a receiver is provided on the top of the paper thickness measuring instrument, located directly below the thickness sensor. A paper scrap cleaning assembly includes a mounting plate. The mounting plate is installed on the rear side of the mounting base. A track groove is formed on the mounting plate. A moving rod is movably sleeved in the inner cavity of the track groove. The moving rod is rotatably connected to a support frame. A mounting groove is formed at the bottom of the mounting plate. A motor is installed on one side of the inner cavity of the mounting groove. A lead screw is connected to the output end of the motor. A movable block is threaded to the outer side of the lead screw. A telescopic rod is installed at the bottom of the movable block. The bottom of the telescopic rod is installed on a support frame. A connecting rod is installed at the bottom of the support frame. A movable plate located below the thickness sensor is installed at one end of the connecting rod. A cleaning sponge is installed on the top of the movable plate.

[0006] As a further improvement of the present invention, the track groove is inclined upward and then extends horizontally on the side away from the mounting seat, and the support frame is U-shaped overall.

[0007] As a further improvement of the present invention, the outer side of the movable block is slidably connected to the inner cavity of the mounting groove, and the middle part of the movable block is provided with a threaded groove adapted to the lead screw.

[0008] As a further improvement of the present invention, the top of the cleaning sponge and the bottom of the thickness sensor are on the same horizontal plane, and the connecting rod is L-shaped in general.

[0009] As a further improvement of the present invention, a protective assembly is provided on the top of the movable plate. The protective assembly includes a mounting box. The mounting box is installed on the top of the movable plate. A first air cylinder and a second air cylinder are installed at the bottom of the inner cavity of the mounting box. A contact plate is installed on the top of both the first and second air cylinders. A second air bladder and a first air bladder are sleeved on the top of the paper thickness detection instrument. The bottom of the second air cylinder is connected to the second air bladder via a first connecting pipe. The bottom of the first air cylinder is connected to the first air bladder via a second connecting pipe. A piston is movably sleeved in the inner cavity of both the second and first air cylinders. A piston rod is installed on the top of the piston, which is movably sleeved on the top of the second air cylinder. A spring is movably sleeved on the outer side of the piston rod. The two ends of the spring are respectively installed on the top of the piston and the bottom of the inner cavity of the second air cylinder. A contact head is installed on the top of the piston rod.

[0010] As a further improvement of the present invention, the top of the contact head is rounded, and the contact head extends from the top of the second air cylinder in the free state.

[0011] As a further improvement of the present invention, there are two of each of the second and first air cylinders, and two of each of the first and second air bags. The two second air cylinders and the two first air cylinders are symmetrically distributed in front, back, left, and right. The first air bag is located on one side of the first air cylinder, and the second air bag is located on one side of the second air cylinder. The two second air cylinders are respectively connected to the second air bag on the opposite side by a first connecting pipe.

[0012] As a further improvement of the present invention, the diameter of the circular trajectory formed by the first air cylinder and the second air cylinder is smaller than the diameter of the circular trajectory formed by the first air bag and the second air bag.

[0013] The testing methods for paper thickness testing equipment used in worksheet production include the following: The paper to be tested is placed above the receiver. The paper thickness detection instrument drives the output shaft to move the mounting base and thickness sensor downward, so that the thickness sensor comes into contact with the paper and the thickness of the paper is detected. As the thickness sensor moves downward, the drive motor starts and rotates the lead screw. Because the lead screw is threadedly connected to the moving block, the moving block moves along the inner cavity of the mounting groove and towards the motor, thereby moving the telescopic rod, support frame, connecting rod, moving plate, and moving the moving rod along the inner cavity of the track groove. As the moving plate moves, the mounting box and contact head on the moving plate are moved away from the bottom of the thickness sensor. The first thing to separate from the thickness sensor is the contact head on the second air cylinder near the connecting rod. Using the spring force inside the second air cylinder, the piston is driven to move upward, and the second air bladder on the side away from the connecting rod is evacuated, making the second air bladder smaller so that the thickness sensor can be separated from it through the second air bladder. Subsequently, as the moving plate moves, it causes the cleaning sponge on the moving plate to move at the bottom of the thickness sensor, cleaning the dust at the bottom of the thickness sensor. When the moving rod moves to the upward tilt position of the track groove, the moving block continues to move with the lead screw. At this time, the moving rod and the support frame move upward according to the shape characteristics of the track groove, thereby driving the support frame, connecting rod and moving plate to move upward. After the bottom of the moving plate is higher than the bottom of the thickness sensor, the motor stops running, which facilitates the contact between the thickness sensor and the paper. After the paper thickness detection is completed, the output shaft drives the thickness sensor to move upward, and at the same time, the motor is started in reverse, which drives the lead screw to rotate in the opposite direction. Using the same principle, the moving plate moves downward first and then horizontally, causing the cleaning sponge on the moving plate to contact the bottom of the thickness sensor to wipe away paper scraps. After wiping away the paper scraps, the bottom of the thickness sensor squeezes the top of the contact head, causing gas exchange between the second air cylinder and the second air bladder, and between the first air cylinder and the first air bladder. This causes the first air bladder and the second air bladder to expand and enlarge, protecting the thickness sensor.

[0014] Beneficial effects: By combining the paper thickness detection instrument, output shaft, mounting base, thickness sensor and receiver, the thickness of the paper to be tested can be accurately detected, ensuring the controllability of thickness parameters during the production of work paper; the integrated paper scrap cleaning component, using the linkage structure of components such as motor and lead screw, can clean paper scraps and dust from the bottom of the thickness sensor before and after detection, avoiding the adhesion of impurities that affect the detection accuracy; The paper scrap cleaning component is connected to the mounting base via a mounting plate. It has a compact structure and does not occupy a lot of extra space. With the cooperation of the track groove and the moving rod, the moving plate can move along multiple tracks, taking into account both cleaning and obstacle avoidance detection functions, thus improving the overall practicality and detection reliability of the equipment. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall structure of the paper thickness detection equipment and method for producing worksheets according to the present invention. Figure 2 This is a schematic diagram of the thickness sensor structure of the paper thickness detection equipment and method for paper production of the present invention; Figure 3 This is a schematic diagram of the paper scrap cleaning component of the paper thickness detection equipment and method for paper production of the present invention. Figure 4 This is a schematic diagram of the mounting groove structure of the paper thickness detection equipment and method for production paper of the present invention; Figure 5 This is a schematic diagram of the internal structure of the mounting box of the paper thickness detection equipment and method for paper production of the present invention; Figure 6 This is a schematic cross-sectional view of the bottom of the mounting box of the paper thickness detection equipment and method for paper production of the present invention. Figure 7 This is a schematic cross-sectional view of the second air cylinder of the paper thickness detection device and method for paper production of the present invention.

[0017] In the picture: 1. Paper thickness measuring instrument; 2. Output shaft; 3. Mounting base; 4. Thickness sensor; 5. Receiver; 6. Paper scrap cleaning assembly; 7. Cleaning sponge; 8. Protective components; 601. Mounting plate; 602. Track groove; 603. Moving rod; 604. Moving plate; 605. Support frame; 606. Mounting groove; 607. Motor; 608. Lead screw; 609. Moving block; 610. Telescopic rod; 611. Connecting rod; 801. Mounting box; 802. Contact plate; 803. First air cylinder; 804. Second air cylinder; 805. First air bag; 806. First connecting pipe; 807. Second air bag; 808. Piston; 809. Piston rod; 810. Spring; 811. Contact head; 812. Second connecting pipe. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] Please see Figures 1-7 This invention provides a paper thickness detection device for production of worksheets, comprising: Paper thickness measuring instrument 1, paper thickness measuring instrument 1 is provided with an output shaft 2, the bottom of the output shaft 2 is connected to a mounting base 3, the bottom of the mounting base 3 is connected to a thickness sensor 4, and the top of the paper thickness measuring instrument 1 is provided with a receiver 5 located directly below the thickness sensor 4. Paper scrap cleaning component 6 includes a mounting plate 601. The mounting plate 601 is installed on the rear side of the mounting base 3. The mounting plate 601 has a track groove 602. A moving rod 603 is movably sleeved in the inner cavity of the track groove 602. The moving rod 603 is rotatably connected to a support frame 605. The bottom of the mounting plate 601 has a mounting groove 606. A motor 607 is installed on one side of the inner cavity of the mounting groove 606. The output end of the motor 607 is connected to a lead screw 608. A movable block 609 is threadedly connected to the outer side of the lead screw 608. A telescopic rod 610 is installed at the bottom of the movable block 609. The bottom of the telescopic rod 610 is installed on the support frame 605. A connecting rod 611 is installed at the bottom of the support frame 605. A movable plate 604 located below the thickness sensor 4 is installed at one end of the connecting rod 611. A cleaning sponge 7 is installed on the top of the movable plate 604.

[0020] By combining the paper thickness measuring instrument 1, output shaft 2, mounting base 3, thickness sensor 4, and receiver 5, the thickness of the paper to be measured can be accurately detected, ensuring the controllability of thickness parameters during the production of the paper. The integrated paper scrap cleaning component 6, using the linkage structure of components such as motor 607 and lead screw 608, can clean paper scraps and dust from the bottom of the thickness sensor 4 before and after detection, avoiding the adhesion of impurities that affect the detection accuracy. The paper scrap cleaning component 6 is connected to the mounting base 3 through the mounting plate 601, which is compact and does not occupy a lot of extra space. With the cooperation of the track groove 602 and the moving rod 603, the moving plate 604 can move in multiple trajectories, taking into account both cleaning and avoidance detection functions, improving the overall practicality and detection reliability of the equipment.

[0021] The track groove 602 extends horizontally after tilting upwards on the side away from the mounting base 3, and the support frame 605 is U-shaped overall.

[0022] The track groove 602, with its "upward tilt and horizontal extension" design, combined with the U-shaped support frame 605, guides the moving rod 603 to smoothly lift and move the related components horizontally. This ensures that the cleaning sponge 7 adheres to the thickness sensor 4 during cleaning and smoothly avoids interference with the paper or receiver 5 during detection. The U-shaped support frame 605 enhances the stability of the connection between the components, distributes the force, reduces movement and shaking, and ensures the accuracy of cleaning and detection actions.

[0023] The outer side of the movable block 609 is slidably connected to the inner cavity of the mounting groove 606, and the middle part of the movable block 609 is provided with a threaded groove that is compatible with the lead screw 608.

[0024] The movable block 609 is slidably connected to the mounting groove 606 and is provided with a matching threaded groove, forming a precise "lead screw 608-moving block 609" transmission structure, which can stably convert the rotational motion of the motor 607 into linear motion, avoiding the displacement or jamming of the movable block 609; this transmission structure is highly efficient and accurately positioned, ensuring that subsequent components such as the telescopic rod 610 and the support frame 605 move according to the preset trajectory and speed, ensuring that the cleaning range and avoidance timing of the cleaning sponge 7 are precisely controllable, and improving the stability of equipment operation.

[0025] The top of the cleaning sponge 7 and the bottom of the thickness sensor 4 are on the same horizontal plane, and the connecting rod 611 is L-shaped.

[0026] The top of the cleaning sponge 7 is flush with the bottom of the thickness sensor 4, which ensures full fit during cleaning, improves the cleaning effect, and avoids residual impurities affecting the detection accuracy. The L-shaped connecting rod 611 can flexibly adapt to the installation position and effectively transmit force in a limited space. It is easy to adjust the posture of the moving plate 604, ensuring that the cleaning sponge 7 is always aligned with the bottom of the thickness sensor 4, thus optimizing the rationality of the structural layout.

[0027] The top of the movable plate 604 is provided with a protective component 8, which includes a mounting box 801. The mounting box 801 is installed on the top of the movable plate 604. A first air cylinder 803 and a second air cylinder 804 are installed at the bottom of the inner cavity of the mounting box 801. A contact plate 802 is installed on the top of both the first air cylinder 803 and the second air cylinder 804. A second air bladder 807 and a first air bladder 805 are sleeved on the top of the paper thickness measuring instrument 1. The bottom of the second air cylinder 804 is connected to the second air bladder 807 via a first connecting pipe 806. The bottom of the first air cylinder 803 is connected to the first air bag 805 via the second connecting pipe 812. The inner cavities of the second air cylinder 804 and the first air cylinder 803 are movably fitted with pistons 808. The top of the piston 808 is fitted with a piston rod 809 that is movably fitted on the top of the second air cylinder 804. The outer side of the piston rod 809 is fitted with a spring 810. The two ends of the spring 810 are respectively installed on the top of the piston 808 and the bottom of the inner cavity of the second air cylinder 804. The top of the piston rod 809 is fitted with a contact head 811.

[0028] A protective component 8 is added. Through the linkage design of the first air cylinder 803, the second air cylinder 804, the first air bag 805, and the second air bag 807, a protective function can be achieved when the thickness sensor 4 is not in the detection state, avoiding damage to the thickness sensor 4 from collisions during transportation or when it is not in use. When the thickness sensor 4 presses the contact head 811, the piston rod 809, the piston 808, and the spring 810 cooperate to realize gas conversion, causing the first air bag 805 and the second air bag 807 to expand and wrap around the thickness sensor 4. The spring 810 can realize the elastic reset of the contact head 811, ensuring the reversibility of gas conversion. The spring 810 can buffer the pressing force, avoiding hard contact between the thickness sensor 4 and the contact head 811, which would cause component wear and extend the service life of the equipment. The top of the contact head 811 is rounded, and the contact head 811 extends from the top of the second air cylinder 804 when the spring 810 is in a free state.

[0029] The rounded corner design at the top of the contact head 811 can avoid stress concentration when the thickness sensor 4 is squeezed, reduce wear on the bottom detection surface of the thickness sensor 4, ensure the flatness of the detection surface, and maintain detection accuracy. When the spring 810 is in a free state, the contact head 811 extends from the top of the second air cylinder 804, which can ensure that the first air bladder 805 and the second air bladder 807 retract when not in the detection state, without affecting the normal detection action of the thickness sensor 4. At the same time, it provides a prerequisite for the accurate contact between the thickness sensor 4 and the contact head 811 after detection, and ensures the reliable triggering of the protective component 8.

[0030] There are two of each of the second air cylinder 804 and the first air cylinder 803, and two of each of the first airbags 805 and the second airbags 807. The two second air cylinders 804 and the two first air cylinders 803 are symmetrically distributed in front, back, left, and right. The first airbag 805 is located on one side of the first air cylinder 803, and the second airbag 807 is located on one side of the second air cylinder 804. The two second air cylinders 804 are respectively connected to the opposite second airbag 807 by the first connecting pipe 806.

[0031] The two first air cylinders 803, the two second air cylinders 804, the two first air bags 805, and the two second air bags 807 are all symmetrically distributed, which can achieve all-round protection of the thickness sensor 4 and avoid blind spots. The design of the two second air cylinders 804 being connected to the opposite second air bag 807 through the first connecting pipe 806 can make the second air bag 807 be subjected to uniform force when it expands, thus improving the protection stability. The symmetrical structure can balance the weight of the moving plate 604, reduce the tilt of movement, and ensure that the cleaning action of the cleaning sponge 7 and the protection action of the protective component 8 are synchronized and accurate, further improving the stability of equipment operation.

[0032] The diameter of the circular trajectory formed by the first air cylinder 803 and the second air cylinder 804 is smaller than the diameter of the circular trajectory formed by the first airbag 805 and the second airbag 807.

[0033] The diameter of the circular track formed by the first air cylinder 803 and the second air cylinder 804 is smaller than the diameter of the circular track formed by the first airbag 805 and the second airbag 807. This ensures that the first airbag 805 and the second airbag 807 completely cover the air cylinder area after inflation, thus achieving full coverage protection for the thickness sensor 4.

[0034] The testing methods for paper thickness testing equipment used in worksheet production include the following: The paper to be tested is placed above the receiver 5. The paper thickness detection instrument 1 drives the output shaft 2 to move the mounting base 3 and the thickness sensor 4 downward, so that the thickness sensor 4 comes into contact with the paper and the thickness of the paper is detected. While the thickness sensor 4 is moving downwards, the drive motor 607 starts and drives the lead screw 608 to rotate. Since the lead screw 608 is threadedly connected to the moving block 609, the moving block 609 is moved along the inner cavity of the mounting groove 606 and towards the motor 607. This causes the telescopic rod 610, support frame 605, connecting rod 611, and moving plate 604 to move, and also causes the moving rod 603 to move along the inner cavity of the track groove 602. As the moving plate 604 moves, the mounting box 801 and contact head 811 on the moving plate 604 are moved away from the bottom of the thickness sensor 4. The first thing to separate from the thickness sensor 4 is the contact head 811 on the second air cylinder 804 near the connecting rod 611. Using the elastic force of the spring 810 in the second air cylinder 804, the piston 808 is driven to move upward, and the second air bag 807 on the side away from the connecting rod 611 is evacuated, so that the second air bag 807 becomes smaller, so that the thickness sensor 4 can be separated from it through the second air bag 807. Subsequently, as the moving plate 604 moves, the cleaning sponge 7 on the moving plate 604 moves to the bottom of the thickness sensor 4 to clean the dust on the bottom of the thickness sensor 4. When the moving rod 603 moves to the upward tilting position of the track groove 602, the moving block 609 continues to move with the lead screw 608. At this time, the moving rod 603 and the support frame 605 move upward according to the shape characteristics of the track groove 602, thereby driving the support frame 605, the connecting rod 611 and the moving plate 604 to move upward. After the bottom of the moving plate 604 is higher than the bottom of the thickness sensor 4, the operation of the motor 607 stops, which facilitates the contact between the thickness sensor 4 and the paper. After the paper thickness detection is completed, the output shaft 2 drives the thickness sensor 4 to move upward, and at the same time, the reverse motor 607 is started, which drives the lead screw 608 to rotate in the opposite direction. Based on the same principle, the moving plate 604 moves downward first and then horizontally, causing the cleaning sponge 7 on the moving plate 604 to contact the bottom of the thickness sensor 4 to wipe away paper scraps. After wiping away the paper scraps, the bottom of the thickness sensor 4 squeezes the top of the contact head 811, causing gas conversion between the second air cylinder 804 and the second air bag 807, and between the first air cylinder 803 and the first air bag 805. This causes the first air bag 805 and the second air bag 807 to expand and enlarge, protecting the thickness sensor 4.

[0035] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A paper thickness detection device for production of worksheets, characterized in that, include: Paper thickness measuring instrument (1), the paper thickness measuring instrument (1) is provided with an output shaft (2), the bottom of the output shaft (2) is connected to a mounting base (3), the bottom of the mounting base (3) is connected to a thickness sensor (4), and the top of the paper thickness measuring instrument (1) is provided with a receiver (5) located directly below the thickness sensor (4). Paper scrap cleaning assembly (6), the paper scrap cleaning assembly (6) includes a mounting plate (601), the mounting plate (601) is installed on the rear side of the mounting base (3), the mounting plate (601) is provided with a track groove (602), the inner cavity of the track groove (602) is movably sleeved with a moving rod (603), the moving rod (603) is rotatably connected to a support frame (605), the bottom of the mounting plate (601) is provided with a mounting groove (606), a motor (607) is installed on one side of the inner cavity of the mounting groove (606), and the output end of the motor (607) is connected to a lead screw (608); The lead screw (608) is threaded to a moving block (609). A telescopic rod (610) is installed at the bottom of the moving block (609). The bottom of the telescopic rod (610) is installed on a support frame (605). A connecting rod (611) is installed at the bottom of the support frame (605). A moving plate (604) located below the thickness sensor (4) is installed at one end of the connecting rod (611). A cleaning sponge (7) is installed on the top of the moving plate (604).

2. The paper thickness detection equipment for production paper according to claim 1, characterized in that, The track groove (602) extends horizontally after tilting upwards on the side away from the mounting base (3), and the support frame (605) is U-shaped in general.

3. The paper thickness detection equipment for production paper according to claim 1, characterized in that, The outer side of the movable block (609) is slidably connected to the inner cavity of the mounting groove (606), and the middle part of the movable block (609) is provided with a threaded groove that is compatible with the lead screw (608).

4. The paper thickness detection equipment for production paper according to claim 1, characterized in that, The top of the cleaning sponge (7) is on the same horizontal plane as the bottom of the thickness sensor (4), and the connecting rod (611) is L-shaped.

5. The paper thickness detection equipment for production paper according to claim 1, characterized in that, The top of the movable plate (604) is provided with a protective component (8), which includes a mounting box (801). The mounting box (801) is installed on the top of the movable plate (604). A first air cylinder (803) and a second air cylinder (804) are installed at the bottom of the inner cavity of the mounting box (801). A contact plate (802) is installed on the top of both the first air cylinder (803) and the second air cylinder (804). A second air bladder (807) and a first air bladder (805) are sleeved on the top of the paper thickness measuring instrument (1). The bottom of the second air cylinder (804) is connected to the second air bladder (807) via a first connecting pipe (806). The bottom of the first air cylinder (803) is connected to the first air bag (805) via the second connecting pipe (812). The inner cavities of the second air cylinder (804) and the first air cylinder (803) are movably fitted with pistons (808). The top of the piston (808) is fitted with a piston rod (809) which is movably fitted on the top of the second air cylinder (804). The outer side of the piston rod (809) is fitted with a spring (810). The two ends of the spring (810) are respectively installed on the top of the piston (808) and the bottom of the inner cavity of the second air cylinder (804). The top of the piston rod (809) is fitted with a contact head (811).

6. The paper thickness detection equipment for production paper according to claim 5, characterized in that, The top of the contact head (811) is rounded, and the spring (810) extends from the top of the contact head (811) from the top of the second air cylinder (804) in the free state.

7. The paper thickness detection equipment for production paper according to claim 5, characterized in that, There are two of each of the second air cylinder (804) and the first air cylinder (803), and two of each of the first airbag (805) and the second airbag (807). The two second air cylinders (804) and the two first air cylinders (803) are symmetrically distributed in front, behind and to the left and right. The first airbag (805) is located on one side of the first air cylinder (803), and the second airbag (807) is located on one side of the second air cylinder (804). The two second air cylinders (804) are respectively connected to the opposite second airbag (807) by the first connecting pipe (806).

8. The paper thickness detection equipment for production paper according to claim 7, characterized in that, The diameter of the circular trajectory formed by the first air cylinder (803) and the second air cylinder (804) is smaller than the diameter of the circular trajectory formed by the first air bag (805) and the second air bag (807).

9. The detection method of the paper thickness detection equipment for production paper according to any one of claims 1-8, characterized in that, The testing methods include the following: Place the paper to be tested above the receiver (5), and drive the output shaft (2) through the paper thickness detection instrument (1) to move the mounting base (3) and thickness sensor (4) downward, so that the thickness sensor (4) contacts the paper and detects the thickness of the paper. While the thickness sensor (4) is moving downwards, the paper scrap cleaning assembly (6) is driven to move the cleaning sponge (7) to clean the dust at the bottom of the thickness sensor (4). After the paper thickness detection is completed, the paper scrap cleaning component (6) is reverse-driven, causing the moving plate (604) to move downward first and then horizontally, causing the cleaning sponge (7) on the moving plate (604) to contact the bottom of the thickness sensor (4) to wipe away the paper scraps. After wiping away the paper scraps, the thickness sensor (4) is protected by the protective component (8).

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