Reverse paper detection structure for printing
By using a vision camera or color sensor to detect the paper orientation during the printing process, and automatically correcting the paper using an electric push rod and vacuum suction cup, the problem of reversed paper placement is solved, improving production yield and efficiency.
Patent Information
- Application Number
- CN202520491290.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-20
AI Technical Summary
In the current printing process, the paper may be placed backwards, causing subsequent processes to be unable to proceed normally, thus affecting the processing yield and efficiency.
Design a reverse paper detection structure for printing, which uses a vision camera or color sensor to detect the paper orientation and automatically corrects the paper orientation through an electric push rod and a vacuum suction cup to ensure correct paper feeding.
It effectively prevents paper from being placed backwards into subsequent production processes, improves production yield, ensures product quality, and automatically corrects the paper orientation, thereby increasing production efficiency.
Smart Images
Figure CN223720453U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to printing technical field, concretely is a reverse paper detection structure for printing. BACKGROUND
[0002] The existing product generally is provided with outer packing box, and the outer packing of most products usually adopts paper substance to make, and the printing good packing paper needs to be transported to gold stamping, die cutting, folding and the like in the production process.
[0003] Because paper usually needs manual feeding to carry out subsequent process after printing, the front and rear ends of paper can be put reversely in the conveying process, which can cause subsequent die cutting, folding and the like to be unable to normally proceed, so it is necessary to detect whether the transported packing paper is put reversely, and the paper put reversely flows into subsequent production process, which affects product processing yield and processing efficiency, therefore a reverse paper detection structure for printing is provided. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of the prior art, the utility model provides a reverse paper detection structure for printing to solve the problems mentioned in the background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a reverse paper detection structure for printing, including the conveying belt, the top outer surface of both end edges of the conveying belt is fixedly connected with the vertical board, the vertical board between two is fixedly connected with the cross arm, the outer surface of the cross arm is provided with C-shaped seat, the outer surface of the C-shaped seat is fixedly connected with the first side plate, the outer surface of the first side plate is rotatably connected with the first rotating plate, the bottom outer surface of the first rotating plate is fixedly installed with the first electric push rod, the output end of the first electric push rod is fixedly installed with the detection device.
[0006] Further, the side away from the first side plate of the C-shaped seat is fixedly connected with the second side plate, the outer surface of the second side plate is rotatably connected with the second rotating plate, the bottom outer surface of the second rotating plate is fixedly installed with the second electric push rod, the output end of the second electric push rod is fixedly connected with the L-shaped plate, the top downward outer surface of the L-shaped plate is rotatably connected with the rotating shaft, the outer surface of the rotating shaft is installed with vacuum chuck.
[0007] Further, the outer surface of the L-shaped plate is fixedly installed with the third electric push rod, the outer surface of the rotating shaft is fixedly sleeved with gear, the output end of the third electric push rod is fixedly connected with the rack, the rack and the outer surface of the gear are movably engaged.
[0008] Further, the outer surface of the crossbar and the outer surface of the C-shaped seat are provided with positioning holes, the positioning holes in the outer surface of the crossbar are linearly arranged, and the corresponding positioning holes in the outer surface of the C-shaped seat and the crossbar are movably provided with a bolt.
[0009] Further, the detection device is one of a visual camera and a color sensor.
[0010] Further, a first rotating shaft is arranged between the first side plate and the first rotating plate, a second rotating shaft is arranged between the second side plate and the second rotating plate, and the outer surfaces of the first rotating shaft and the second rotating shaft are threadedly connected with abutting discs.
[0011] Compared with the prior art, the present application has the following beneficial effects:
[0012] 1. The reverse paper detection structure for printing is fixed on the crossbar through the C-shaped seat, the position of the first rotating plate on the first side plate is rotated, the detection device is corresponded with the paper, the paper is detected, whether the paper is reversed is judged, the reversed paper is effectively prevented from flowing into the subsequent production process, the production processing yield is improved, and the product production quality is effectively ensured.
[0013] 2. When the paper in the reverse direction exists, the controller receives the signal, the conveying belt stops working after conveying a distance, the second electric push rod, the third electric push rod and the vacuum suction disc work, the second electric push rod drives the vacuum suction disc to move downward, the vacuum suction disc adsorbs the paper, the third electric push rod works, the third electric push rod drives the rack to move, the rack drives the gear to move, the rotating shaft rotates, the paper rotates by 180 degrees, and the paper is placed in the correct direction. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a front view structural schematic diagram of the utility model;
[0015] Figure 2 It is a rear view structural schematic diagram of the utility model;
[0016] Figure 3 It is a C-shaped seat and related structure schematic diagram of the utility model;
[0017] Figure 4 It is a front view structural schematic diagram of the utility model Figure 3 It is an enlarged structure schematic diagram of A in the utility model.
[0018] As shown in the figure: 1, conveying belt; 2, vertical plate; 3, cross bar; 4, C-shaped seat; 5, first side plate; 6, first rotating plate; 7, first electric push rod; 8, detection device; 9, second side plate; 10, second rotating plate; 11, second electric push rod; 12, L-shaped plate; 13, third electric push rod; 14, rotating shaft; 15, vacuum chuck; 16, gear; 17, rack; 18, positioning hole; 19, bolt. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0020] Embodiment 1
[0021] Please refer to Figures 1-4 The present application provides a technical scheme: a reverse paper detection structure for printing, comprising a conveying belt 1, the top outer surface of the two end edges of the conveying belt 1 is fixedly connected with a vertical plate 2, the two vertical plates 2 are fixedly connected with a cross bar 3, the outer surface of the cross bar 3 is provided with a C-shaped seat 4, the outer surface of the C-shaped seat 4 is fixedly connected with a first side plate 5, the outer surface of the first side plate 5 is rotatably connected with a first rotating plate 6, the bottom outer surface of the first rotating plate 6 is fixedly installed with a first electric push rod 7, the output end of the first electric push rod 7 is fixedly installed with a detection device 8, specifically, the position of the first rotating plate 6 on the first side plate 5 is rotated, so that the detection device 8 can rotate within a certain range, so that it corresponds to the paper, so that the visual camera can correspond to the corresponding paper, when the paper is transmitted, there will be a short pause gap in the transmission process, so as to send the paper one by one, the detection is carried out during the pause process, at this time, the visual camera shoots the image of the fixed position of the printed paper, then the image is analyzed, the two preset positions are compared, if the comparison is consistent, the paper direction is correct, if the comparison is inconsistent, the paper direction is reversed.
[0022] In the embodiment, the second side plate 9 is fixedly connected to the side of the C-shaped seat 4 away from the first side plate 5, the outer surface of the second side plate 9 is rotatably connected with a second rotating plate 10, the bottom outer surface of the second rotating plate 10 is fixedly installed with a second electric push rod 11, the output end of the second electric push rod 11 is fixedly connected with an L-shaped plate 12, the top downward outer surface of the L-shaped plate 12 is rotatably connected with a rotating shaft 14, the outer surface of the rotating shaft 14 is installed with a vacuum chuck 15, specifically, the second rotating plate 10 rotates on the second side plate 9, so that the vacuum chuck 15 moves within a certain radius, so that the vacuum chuck 15 corresponds to the paper, the second electric push rod 11 drives the vacuum chuck 15 to move downward, so that the vacuum chuck 15 adsorbs the paper.
[0023] In the embodiment, the outer surface of the L-shaped plate 12 is fixedly installed with a third electric push rod 13, the outer surface of the rotating shaft 14 is fixedly sleeved with a gear 16, the output end of the third electric push rod 13 is fixedly connected with a rack 17, the outer surface of the rack 17 is movably engaged with the gear 16, specifically, the third electric push rod 13 works, the third electric push rod 13 drives the rack 17 to move, the rack 17 drives the gear 16 to move, so that the rotating shaft 14 rotates, so that the paper rotates 180 degrees (by controlling the stroke L of the third electric push rod 13, the stroke distance is L = π × d / 2, wherein d is the diameter of the gear 16), and the paper is aligned.
[0024] In the embodiment, the outer surface of the cross rod 3 and the outer surface of the C-shaped seat 4 are both provided with positioning holes 18, the positioning holes 18 on the outer surface of the cross rod 3 are linearly arranged, the outer surface of the C-shaped seat 4 is movably inserted with a bolt 19 in the corresponding positioning hole 18 on the cross rod 3, specifically, the positioning holes 18 on the C-shaped seat 4 correspond to the positioning holes 18 on the cross rod 3, and the bolt 19 is inserted into the corresponding positioning hole 18, and the C-shaped seat 4 is installed.
[0025] In the embodiment, the detection device 8 is one of a visual camera and a color sensor, specifically, when the detection device 8 is a visual camera, the visual camera shoots the image of the fixed position of the printed paper, then the image is analyzed, the two positions are compared, if the comparison is consistent, the paper direction is correct, if the comparison is inconsistent, the paper direction is reversed, when the detection device is a color sensor, the color sensor can correspond to the pattern printed on one side of the paper, the pattern printed on the paper is fixed, a fixed position on one side of the paper is taken as a detection position, the position corresponds to a specific color, and the color on the symmetric position on the other side is different, if the color sensor recognizes the corresponding color, it indicates that the paper direction is correct, otherwise, the direction is reversed.
[0026] In the embodiment, the first rotating shaft is arranged between the first side plate 5 and the first rotating plate 6, the second rotating shaft is arranged between the second side plate 9 and the second rotating plate 10, and the outer surfaces of the first rotating shaft and the second rotating shaft are threadedly connected with the abutting disc; specifically, the first side plate 5 and the first rotating plate 6 and the second side plate 9 and the second rotating plate 10 need a certain force to rotate by rotating the abutting disc.
[0027] Working principle: when the utility model is used, the paper after printing is conveyed from the conveying belt 1, the C-shaped seat 4 is installed, the positioning hole 18 on the C-shaped seat 4 is corresponded with the positioning hole 18 on the horizontal rod 3 at this time, and the bolt 19 is inserted into the corresponding positioning hole 18, the C-shaped seat 4 is installed, when the detection device 8 adopts a visual camera, the position of the first rotating plate 6 on the first side plate 5 is rotated, so that the detection device 8 can rotate within a certain range, so that it corresponds to the paper, so that the visual camera can correspond to the corresponding paper, when the paper is transmitted, there is a short pause gap in the transmission process, so that the paper is sent one by one, the detection is carried out during the pause process, the image of the fixed position of the printed paper is photographed by the visual camera at this time, then the image is analyzed, and the two preset positions are compared, if the comparison is consistent, the paper direction is correct, and if the comparison is inconsistent, the paper direction is reversed.
[0028] If the detection device 8 adopts a color sensor, the position of the first rotating plate 6 on the first side plate 5 is rotated, so that the color sensor can correspond to the pattern printed on one side of the paper, the printed pattern on the paper is fixed, and a fixed position on one side of the paper is taken as a detection position, the position corresponds to a specific color, and the color on the symmetrical position on the other side is different, the color sensor recognizes the corresponding color, and then the paper direction is correct, otherwise the paper direction is reversed.
[0029] When there is a paper with a reversed direction, the controller receives a signal, the conveying belt 1 stops working after conveying a distance, so that the second electric push rod 11, the third electric push rod 13 and the vacuum suction disc 15 work, the second electric push rod 11 drives the vacuum suction disc 15 to move downward, so that the vacuum suction disc 15 adsorbs the paper, the third electric push rod 13 works, the third electric push rod 13 drives the rack 17 to move, the rack 17 drives the gear 16 to move, so that the rotating shaft 14 rotates, so that the paper rotates by 180 degrees (by controlling the stroke L of the third electric push rod 13, the stroke distance is L = π × d / 2, wherein d is the diameter of the gear 16), and the paper is placed in place.
[0030] The controller is a prior art structure, and the control circuit can be realized by simple programming of those skilled in the art, which belongs to the prior art and is commonly known in the art, and only the use is described, without modification, so the control mode and circuit connection are not described in detail.
[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A reverse paper detection structure for printing, comprising a conveyor belt (1), characterized in that: The outer top surface of both end edges of the conveying belt (1) is fixedly connected with a vertical plate (2), two vertical plates (2) are fixedly connected with a horizontal rod (3), the outer surface of the horizontal rod (3) is provided with a C-shaped seat (4), the outer surface of the C-shaped seat (4) is fixedly connected with a first side plate (5), the outer surface of the first side plate (5) is rotatably connected with a first rotating plate (6), the bottom outer surface of the first rotating plate (6) is fixedly installed with a first electric push rod (7), and the output end of the first electric push rod (7) is fixedly installed with a detection device (8).
2. A reverse paper detection structure for printing according to claim 1, characterized in that: The side of the C-shaped seat (4) away from the first side plate (5) is fixedly connected with a second side plate (9), the outer surface of the second side plate (9) is rotatably connected with a second rotating plate (10), the bottom outer surface of the second rotating plate (10) is fixedly installed with a second electric push rod (11), the output end of the second electric push rod (11) is fixedly connected with an L-shaped plate (12), the top downward outer surface of the L-shaped plate (12) is rotatably connected with a rotating shaft (14), and the outer surface of the rotating shaft (14) is installed with a vacuum chuck (15).
3. A reverse paper detection structure for printing according to claim 2, characterized in that: The outer surface of the L-shaped plate (12) is fixedly installed with a third electric push rod (13), the outer surface of the rotating shaft (14) is fixedly sleeved with a gear (16), the output end of the third electric push rod (13) is fixedly connected with a gear rack (17), and the outer surface of the gear rack (17) is movably engaged with the gear (16).
4. The reverse paper detection structure for printing according to claim 1, wherein: The outer surface of the horizontal rod (3) and the outer surface of the C-shaped seat (4) are both provided with positioning holes (18), the positioning holes (18) on the outer surface of the horizontal rod (3) are linearly arranged, and the outer surface of the C-shaped seat (4) is movably inserted with a bolt (19) in the corresponding positioning hole (18) on the horizontal rod (3).
5. The reverse paper detection structure for printing according to claim 1, wherein: The detection device (8) is one of a visual camera and a color sensor.
6. The reverse paper detection structure for printing according to claim 2, wherein: A first rotating shaft is arranged between the first side plate (5) and the first rotating plate (6), a second rotating shaft is arranged between the second side plate (9) and the second rotating plate (10), and the outer surfaces of the first rotating shaft and the second rotating shaft are both threadedly connected with an abutting disc.