Napkin machine with visual correction system

By using a visual correction system in the napkin machine to collect the sampling distance between the edge of the napkin roll and the visual mark ring of the correction roller in real time, the problem of low correction accuracy in the existing technology is solved, and the feeding correction quality of the napkin machine is improved. Processing accuracy.

CN222373973UActive Publication Date: 2025-01-21DONG HUI PAPER PROD CO LTD
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Patent Information

Application Number
CN202421448255.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-01-21
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

The calibration accuracy of existing napkin machines is low, resulting in a deviation in the embossing and printing quality of the finished napkin products.

Method used

Using a visual correction system, the first correction camera and the second correction camera collect the sampling distance between the edge of the napkin roll and the visual mark ring of the correction roller in real time, achieving higher sampling precision and correction accuracy.

Benefits of technology

It improves the feeding correction quality and processing accuracy of the napkin machine, enhances the stability and reliability of the equipment, and reduces the friction between the roller surface and the napkin roll during the correction process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222373973U_ABST
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Abstract

The utility model discloses a napkin machine with a visual correction system, which is characterized in that a first correction roller is arranged on one side, close to an input port, inside a correction chamber, a second correction roller is arranged on one side, close to an output port, inside the correction chamber, and two ends of the first correction roller and two ends of the second correction roller are respectively connected with a correction driving device. Visual identification rings are arranged at the side parts of the first correction roller and the second correction roller, a first correction camera and a second correction camera are respectively arranged at the top of the correction cavity, and the first correction camera is positioned above the visual identification ring of the first correction roller; the second correction camera is located above the visual identification ring of the second correction roller, and the first correction camera and the second correction camera are in signal connection with the control device. Each correction driving device is electrically connected with the control device. Compared with the prior art, the napkin roll of the napkin machine is input and corrected through real-time image sampling, and the processing precision and quality of the napkin machine are further improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of napkin machines, in particular to a napkin machine with a visual correction system. Background Art

[0002] The automatic embossing and folding napkin machine is used to process the raw paper coils into napkins with clear patterns, neatness and beauty through embossing, folding, electronic counting and cutting. The whole process is completed by this machine at one time. Due to its high degree of automation, good processing quality and high production efficiency, it is an ideal production equipment for paper product factories and urban and rural families to build factories and get rich with small investment and quick results. In addition, the embossing can produce various clear and beautiful patterns according to the needs of users.

[0003] The raw paper roll needs to be calibrated before entering the embossing process to ensure the accuracy of the subsequent embossing and printing processing positions. At present, the calibration structure in the napkin paper mostly uses the infrared sensing unit as the calibration sampling workpiece, which has low accuracy and can easily lead to embossing and printing quality deviations in the finished napkin paper. Therefore, it is necessary to improve it. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a napkin paper machine with a visual correction system, so as to improve the feeding correction quality of the napkin paper machine and improve the processing quality and precision of the equipment.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a napkin machine with a visual correction system, comprising a control device, a dust-free correction shell, a correction chamber is arranged inside the dust-free correction shell, an input port is arranged on one side of the dust-free correction shell, and an output port is arranged on the other side, a first correction roller is arranged on the side of the correction chamber close to the input port, and a second correction roller is arranged on the side of the correction chamber close to the output port, correction drive devices are connected to both ends of the first correction roller and the second correction roller respectively, visual identification rings are arranged on the sides of the first correction roller and the second correction roller, and a first correction camera and a second correction camera are arranged on the top of the correction chamber respectively, the first correction camera is located above the visual identification ring of the first correction roller, and is used to collect the sampling distance a between the edge of the napkin roll and the visual identification ring of the first correction roller; the second correction camera is located above the visual identification ring of the second correction roller, and is used to collect the sampling distance b between the edge of the napkin roll and the visual identification ring of the second correction roller, the first correction camera and the second correction camera are respectively connected to the control device by signal; and each correction drive device is electrically connected to the control device respectively.

[0006] In a further technical solution, a visual identification ring is respectively provided on both sides of the first correction roller and the second correction roller; the number of the first correction camera and the second correction camera is respectively two, and they are respectively arranged in coordination with the corresponding visual identification ring sampling to achieve sampling distances a1 and a2 obtained by sampling from both sides of the first correction roller, and sampling distances b1 and b2 obtained by sampling from both sides of the second correction roller.

[0007] In a further technical solution, the sampling distance a1 and the sampling distance a2 meet the condition that the absolute value of the difference between a1 and a2 is less than or equal to 0.5 mm; similarly, the sampling distance b1 and the sampling distance b2 meet the condition that the absolute value of the difference between b1 and b2 is less than or equal to 0.5 mm.

[0008] In a further technical solution, a roller bracket is provided at the bottom of the correction chamber, and the first correction roller and the second correction roller are movably assembled on both sides of the roller bracket respectively; a rotating linkage gear is coaxially arranged at both ends of the first correction roller and the second correction roller respectively; a roller surface linkage rack is provided on the upper part of the roller bracket, and the roller surface linkage rack is respectively meshed and connected with the corresponding rotating linkage gear to realize the rotational coordination of the roller surfaces of the first correction roller and the second correction roller when the correction and adjustment are carried out.

[0009] In a further technical solution, the correction drive device includes a correction drive cylinder, a correction slider and a sliding connecting frame, the sliding connecting frame is assembled on the top edge of the roller bracket; the correction sliders are respectively slidably installed on both sides of the sliding connecting frame, and the two ends of the first correction roller and the second correction roller are respectively hingedly connected to the corresponding correction sliders; each correction drive cylinder is respectively fixedly installed on the roller bracket, the correction drive cylinder has a drive shaft, the end of the drive shaft is hinged to the corresponding correction slider, and each correction drive cylinder is respectively electrically connected to the control device.

[0010] In a further technical solution, the roller bracket is also rotatably mounted with a first correction guide roller and a second correction guide roller, the first correction guide roller and the second correction guide roller are respectively located in the middle and lower parts of the roller bracket, the first correction guide roller is arranged on a side close to the first correction roller, and the second correction guide roller is arranged on a side close to the second correction roller.

[0011] In a further technical solution, the inner wall of the correction chamber is coated with a black anti-reflective coating structure.

[0012] In a further technical solution, a spotlight unit is provided at the bottom of the first correction camera and the second correction camera, and the illumination angle thereof is set vertically downward.

[0013] In a further technical solution, two groups of camera following mechanisms are provided on the top of the correction chamber, and the two groups of camera following mechanisms are respectively located above the first correction roller and the second correction roller. The camera following mechanism includes a camera following guide rail and a following drive device. The camera following guide rail is arranged along the width direction of the dust-free correction housing. The first correction camera and the second correction camera are respectively slidably assembled on the corresponding camera following guide rails and connected to the corresponding following drive device.

[0014] After adopting the above structure, the advantages of the utility model compared with the prior art are: the utility model provides a napkin machine with a visual correction system, which replaces the existing infrared sensing sampling with real-time image visual sampling, has higher sampling accuracy, can more quickly and accurately calibrate the conveying of napkin rolls, and further improve the accuracy and quality of embossing and printing processing of the napkin machine; the correction mechanism composed of the first correction roller and the second correction roller can perform secondary correction on the correction input and output of the napkin, and can further improve the stability and reliability of the correction; the correction roller surface rotation drive structure composed of gears and racks can reduce the friction between the roller surface and the napkin roll during the correction process, and further improve the quality and stability of the correction of the napkin machine; the camera following structure can adjust the position of the first correction camera and the second correction camera in real time during the correction process, reduce the data error caused by the sampling angle, and can further improve the correction accuracy of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0016] Figure 1 It is a schematic diagram of the structure of the utility model from a top view angle.

[0017] Figure 2 It is a structural schematic diagram of the test angle of the utility model. DETAILED DESCRIPTION

[0018] The following are only preferred embodiments of the present invention, and do not limit the protection scope of the present invention.

[0019] like Figure 1 and Figure 2As shown, a napkin machine with a visual correction system includes a control device and a dust-free correction shell. A correction chamber is provided inside the dust-free correction shell. An input port is provided on one side of the dust-free correction shell and an output port is provided on the other side. A first correction roller 1 is provided on one side of the correction chamber near the input port, and a second correction roller 2 is provided on one side of the correction chamber near the output port. Correction drive devices are connected to both ends of the first correction roller 1 and the second correction roller 2, respectively. Visual identification rings 001 are provided on the sides of the first correction roller 1 and the second correction roller 2, and first correction cameras 4 are provided on the tops of the correction chambers. 1 and a second correction camera 42, the first correction camera 41 is located above the visual identification ring 001 of the first correction roller 1, and is used to collect the sampling distance a between the edge of the napkin roll 9 and the visual identification ring 001 of the first correction roller 1; the second correction camera 42 is located above the visual identification ring 001 of the second correction roller 2, and is used to collect the sampling distance b between the edge of the napkin roll 9 and the visual identification ring 001 of the second correction roller 2, the first correction camera 41 and the second correction camera 42 are respectively connected to the control device by signal; each correction drive device is electrically connected to the control device.

[0020] In order to solve the problem of calibration accuracy of the existing napkin paper machine, the inventor proposed a technical solution of replacing the existing infrared sensing sampling with real-time image visual sampling. This technical solution has higher sampling accuracy and can more quickly and accurately calibrate the conveying of the napkin paper roll 9, further improving the accuracy and quality of the embossing and printing processing of the napkin paper machine.

[0021] Specifically, a visual identification ring 001 is provided on both sides of the first correction roller 1 and the second correction roller 2; the number of the first correction camera 41 and the second correction camera 42 is two, respectively, and they are respectively arranged in coordination with the corresponding visual identification ring 001 for sampling, so as to obtain the sampling distance a1 and the sampling distance a2 by sampling from both sides of the first correction roller 1, and obtain the sampling distance b1 and the sampling distance b2 by sampling from both sides of the second correction roller 2. The sampling distance a1 and the sampling distance a2 meet the condition that the absolute value of the difference between a1 and a2 is less than or equal to 0.5 mm; similarly, the sampling distance b1 and the sampling distance b2 meet the condition that the absolute value of the difference between b1 and b2 is less than or equal to 0.5 mm.

[0022] In actual operation, when the napkin roll 9 wound on the first correction roller 1 is offset and the difference between a1 and a2 is greater than 0.5 mm, the two ends of the correction roller are driven and adjusted in the front-to-back direction through the corresponding correction drive device; similarly, the correction principle of the second correction roller 2 is the same.

[0023] The correction mechanism composed of the first correction roller 1 and the second correction roller 2 can perform secondary correction on the correction input and output of the napkin, and can further improve the stability and reliability of the correction.

[0024] Specifically, a roller bracket 3 is provided at the bottom of the correction chamber, and the first correction roller 1 and the second correction roller 2 are movably mounted on both sides of the roller bracket 3; a rotating linkage gear 13 is coaxially arranged at both ends of the first correction roller 1 and the second correction roller 2; a roller surface linkage rack 301 is provided at the upper part of the roller bracket 3, and the roller surface linkage rack 301 is meshed and connected with the corresponding rotating linkage gear 13, so that the roller surface of the first correction roller 1 and the second correction roller 2 can rotate and cooperate when the correction adjustment is performed. The correction roller surface rotation drive structure composed of gears and racks can reduce the friction between the roller surface and the napkin roll during the correction process, and further improve the correction quality and stability of the napkin machine.

[0025] Specifically, the correction drive device includes a correction drive cylinder 11, a correction slider 12 and a sliding connection frame 30, the sliding connection frame 30 is assembled on the top edge of the roller bracket 3; the correction slider 12 is slidably installed on both sides of the sliding connection frame 30, and the two ends of the first correction roller 1 and the second correction roller 2 are respectively hingedly connected to the corresponding correction slider 12; each correction drive cylinder 11 is respectively fixedly installed on the roller bracket 3, and the correction drive cylinder 11 has a drive shaft, the end of the drive shaft is hinged to the corresponding correction slider 12, and each correction drive cylinder 11 is respectively electrically connected to the control device.

[0026] Specifically, the roller bracket 3 is also rotatably mounted with a first correction guide roller 31 and a second correction guide roller 32, which are respectively located in the middle and lower parts of the roller bracket 3, the first correction guide roller 31 is arranged on a side close to the first correction roller 1, and the second correction guide roller 32 is arranged on a side close to the second correction roller 2.

[0027] Specifically, the inner wall of the correction chamber is coated with a black anti-reflective coating structure. A spotlight unit is provided at the bottom of the first correction camera 41 and the second correction camera 42, and its illumination angle is set vertically downward. Two sets of camera following mechanisms are provided on the top of the correction chamber, and the two sets of camera following mechanisms are respectively located above the first correction roller 1 and the second correction roller 2. The camera following mechanism includes a camera following rail and a following drive device. The camera following rail is arranged along the width direction of the dust-free correction housing. The first correction camera 41 and the second correction camera 42 are respectively slidably assembled on the corresponding camera following rail and connected to the corresponding following drive device. With the camera following structure, the first correction camera 41 and the second correction camera 42 can be adjusted in real time during the correction process, thereby reducing the data error caused by the shooting sampling angle, and can further improve the correction accuracy of the equipment.

[0028] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A napkin machine with a visual correction system, comprising a control device, a dust-free correction housing, a correction chamber provided inside the dust-free correction housing, an input port provided on one side of the dust-free correction housing, and an output port provided on the other side, characterized in that: A first correction roller (1) is provided on one side of the correction chamber near the input port, and a second correction roller (2) is provided on one side of the correction chamber near the output port. Both ends of the first correction roller (1) and the second correction roller (2) are respectively connected to correction drive devices. The sides of the first correction roller (1) and the second correction roller (2) are provided with visual identification rings (001). A first calibration camera (41) and a second calibration camera (42) are respectively arranged on the top of the calibration chamber; the first calibration camera (41) is located above the visual identification ring (001) of the first calibration roller (1) and is used to collect a sampling distance a between the edge of the napkin roll (9) and the visual identification ring (001) of the first calibration roller (1); the second calibration camera (42) is located above the visual identification ring (001) of the second calibration roller (2) and is used to collect a sampling distance b between the edge of the napkin roll (9) and the visual identification ring (001) of the second calibration roller (2); The first correction camera (41) and the second correction camera (42) are respectively connected to the control device by signals; and each correction driving device is respectively electrically connected to the control device.

2. The napkin machine with a visual correction system according to claim 1, characterized in that: A visual identification ring (001) is provided on both sides of the first correction roller (1) and the second correction roller (2); the number of the first correction camera (41) and the second correction camera (42) is respectively two, and they are respectively arranged in coordination with the corresponding visual identification ring (001) for sampling, so as to obtain a sampling distance a1 and a sampling distance a2 by sampling from both sides of the first correction roller (1), and obtain a sampling distance b1 and a sampling distance b2 by sampling from both sides of the second correction roller (2).

3. The napkin machine with a visual correction system according to claim 2, characterized in that: The sampling distance a1 and the sampling distance a2 meet the condition that the absolute value of the difference between a1 and a2 is less than or equal to 0.5 mm; similarly, the sampling distance b1 and the sampling distance b2 meet the condition that the absolute value of the difference between b1 and b2 is less than or equal to 0.5 mm.

4. The napkin machine with a visual correction system according to claim 1, characterized in that: A roller bracket (3) is provided at the bottom of the correction chamber, and the first correction roller (1) and the second correction roller (2) are movably mounted on both sides of the roller bracket (3); a rotating linkage gear (13) is coaxially arranged at both ends of the first correction roller (1) and the second correction roller (2); a roller surface linkage rack (301) is provided at the top of the roller bracket (3), and the roller surface linkage rack (301) is meshedly connected with the corresponding rotating linkage gear (13) to realize that when the first correction roller (1) and the second correction roller (2) are corrected and adjusted, their roller surfaces are rotated together.

5. The napkin machine with a visual correction system according to claim 4, characterized in that: The correction drive device comprises a correction drive cylinder (11), a correction slider (12) and a sliding connection frame (30), wherein the sliding connection frame (30) is mounted on the top edge of the roller bracket (3); the correction slider (12) is slidably mounted on both sides of the sliding connection frame (30), and both ends of the first correction roller (1) and the second correction roller (2) are respectively hingedly connected to the corresponding correction slider (12); each correction drive cylinder (11) is respectively fixedly mounted on the roller bracket (3), the correction drive cylinder (11) has a drive shaft, the end of the drive shaft is hingedly connected to the corresponding correction slider (12), and each correction drive cylinder (11) is respectively electrically connected to the control device.

6. The napkin machine with a visual correction system according to claim 5, characterized in that: The roller bracket (3) is also rotatably mounted with a first correction guide roller (31) and a second correction guide roller (32); the first correction guide roller (31) and the second correction guide roller (32) are respectively located at the middle and lower part of the roller bracket (3); the first correction guide roller (31) is arranged on a side close to the first correction roller (1), and the second correction guide roller (32) is arranged on a side close to the second correction roller (2).

7. The napkin machine with a visual correction system according to claim 1, characterized in that: The inner wall of the correction chamber is coated with a black anti-reflective coating structure.

8. The napkin machine with a visual correction system according to claim 7, characterized in that: Spotlight units are provided at the bottom of the first calibration camera (41) and the second calibration camera (42), and the illumination angles thereof are arranged vertically downward.

9. The napkin machine with a visual correction system according to claim 8, characterized in that: Two groups of camera following mechanisms are provided on the top of the correction chamber, and the two groups of camera following mechanisms are respectively located above the first correction roller (1) and the second correction roller (2). The camera following mechanisms include a camera following guide rail and a following driving device. The camera following guide rail is arranged along the width direction of the dust-free correction housing. The first correction camera (41) and the second correction camera (42) are respectively slidably assembled on the corresponding camera following guide rails and connected to the corresponding following driving devices.