Label printing quality detection equipment and detection method thereof

Abstract

The invention discloses label printing quality detection equipment and a detection method thereof, and belongs to the technical field of label printing, the label printing quality detection equipment comprises a detection rack, mounting plates are fixedly mounted on the front side and the rear side of the lower surface of the side face of the detection rack, and mounting bolts are mounted on the mounting plates in a threaded mode; the four fixed support plates are fixedly mounted on the upper surface of the detection rack, and every two of the four fixed support plates form a group; the detection rack is used in cooperation with the conveying roller and the pressing roller, the detection rack is installed between a discharging port of label printing equipment and a feeding port of winding equipment, the conveying roller and the pressing roller achieve pressing and conveying of labels, the pressing roller can move up and down to be adjusted, and the detection rack is suitable for pressing the labels of different thickness specifications. And the visual detector on the first assembly frame is used for quality detection, manual detection is not needed, missing detection is avoided, the detection operation precision is improved, and the air cylinder and the tapping rod on the second assembly frame are used in a matched mode, so that defective labels can be tapped and marked, and follow-up treatment is facilitated.

Description

Technical Field

[0001] The invention belongs to the technical field of label printing, and in particular relates to a quality detection device for label printing and a detection method thereof. Background Art

[0002] Most of the labels in the printing industry are printed materials used to identify the relevant instructions of their products, and most of them have adhesive on the back. However, some are printed without adhesive, which can also be called labels. Labels with adhesive are commonly known as self-adhesive labels. The label issue after the instrument is calibrated is a label uniformly stipulated by the state or by the province. The label can clearly indicate the details of the instrument after calibration.

[0003] After the label is printed, quality inspection is required to check whether there is any missing printing, reprinting, etc. The existing quality inspection equipment requires staff to manually operate the visual detector to perform the inspection. The handheld operation has poor stability and low operation efficiency, and is prone to missed inspections. Therefore, we propose a quality inspection device for label printing and a detection method thereof. Summary of the invention

[0004] The purpose of the present invention is to provide a quality inspection device for label printing and a method thereof, so as to solve the problem that the existing quality inspection equipment proposed in the above background technology requires staff to manually operate a visual detector to perform inspection operations during inspection, the handheld operation has poor stability, low operating efficiency, and is prone to missed inspections.

[0005] To achieve the above object, the present invention provides the following technical solution: a quality inspection device for label printing, comprising a detection frame, a mounting plate is fixedly mounted on both the front and rear sides of the lower surface of the side of the detection frame, and mounting bolts are threadedly mounted on the mounting plate; Four fixed support plates are fixedly mounted on the upper surface of the detection frame, the four fixed support plates are grouped in pairs, and a transmission roller is rotatably mounted between two fixed support plates in a group; A load-bearing platform, fixedly mounted on the upper surface of the detection frame, the load-bearing platform being located between the front and rear sets of fixed support plates; Two support frames are fixedly mounted on two sets of fixed support plates, a mounting seat is movably arranged inside the support frame, a pressure roller is rotatably mounted inside the mounting seat, and the pressure roller is located just above the transmission roller at the same side position; Two anti-deflection plates are movably arranged on the upper surface of the bearing platform; An assembly frame 1 is movably arranged on the upper surface of the bearing platform, and a strip hole is opened on the assembly frame 1, and a sliding plate is slidably installed in the strip hole, and a visual detector is fixedly installed on the lower surface of the sliding plate; The second assembly frame is fixedly mounted on the upper surface of the bearing platform, a cylinder is fixedly mounted on the second assembly frame, a perforated rod is fixedly mounted on the end of the piston rod of the cylinder, and a blanking port is opened at a position on the upper surface of the bearing platform directly facing the perforated rod; The material receiving box is movably arranged inside the supporting platform, and the material receiving box is located directly below the material dropping opening.

[0006] The above scheme is adopted, by setting up a detection frame to cooperate with the transmission roller and the pressure roller, the detection frame is installed between the discharge port of the label printing device and the feed port of the winding device, the transmission roller and the pressure roller realize the compression and transmission of the label, and the pressure roller can be adjusted up and down, which is suitable for the compression of labels of different thickness specifications, and the visual detector on the assembly frame one is used for quality inspection, without manual participation in the inspection, avoiding missed inspections, and improving the accuracy of the inspection operation, and in conjunction with the cylinder and the hole-opening rod on the assembly frame two, it is possible to mark the holes of the problematic labels, which is convenient for subsequent processing, and by setting an anti-deflection plate, using the motor two to cooperate with the circular The use of the disk allows the sliding frames on both sides to drive the two anti-deflection plates to move relative to each other through the connecting plate, thereby achieving position limiting and anti-deflection of the label, thereby ensuring that there will be no offset or misalignment during label transmission, and further ensuring the detection accuracy. By setting an assembly frame 1 for use with a locking rod, the assembly frame 1 can move horizontally back and forth on the load-bearing frame and be locked by the locking rod, and the visual detector is movably arranged on the assembly frame 1 through a sliding plate, and can be adjusted horizontally left and right, and is locked by a fixed tooth plate and a movable tooth plate, so that the visual detector can be adjusted horizontally back and forth and left and right according to the needs of the label printing position.

[0007] In the above solution, it should be noted that the motor 1, the motor 2, the visual detector and the cylinder are all electrically connected to the external power supply.

[0008] As a preferred embodiment, two fixed blocks are fixedly installed on the upper surface of the support frame, wherein a motor 1 is fixedly installed on the side of one of the fixed blocks, a bidirectional screw is rotatably installed between the two fixed blocks, the output shaft of the motor 1 is fixedly connected to the bidirectional screw, threaded plates are threadedly installed on the outer surfaces of the two sections of the threads of the bidirectional screw, both ends of the threaded plates are hingedly installed with hinged arms, the other end of the hinged arm is hingedly connected to the mounting seat, a number of guide rods are fixedly installed between the two fixed blocks, a guide block is fixedly installed on the surface of the threaded plate, and the guide block is slidably installed on the outer surface of the guide rod.

[0009] By adopting the above scheme, a fixed block is used in conjunction with motor 1 and a bidirectional screw. When motor 1 is working, it drives the bidirectional screw to rotate, thereby driving the threaded plate to move, and utilizing the hinged action of the articulated arm to drive the mounting seat to move up and down, thereby realizing the up and down movement of the pressure roller. Labels of different thickness specifications can be pressed to ensure the smooth transmission of the labels. The guide block and guide rod can cooperate to support and guide the threaded plate, so that the threaded plate can move more smoothly under the rotation of the bidirectional screw and is less likely to tilt and shake.

[0010] As a preferred embodiment, slideways are provided on the left and right sides of the support frame, and guide bars are fixedly installed on the inner walls of the slideways. Both ends of the mounting seat extend to the interior of the slideways at the same side, and guide grooves are provided on both ends of the mounting seat. The guide bars and guide grooves are used in conjunction with each other.

[0011] By adopting the above scheme, when the mounting seat moves up and down, the mounting seat will slide on the surface of the guide bar through the guide groove, and the guide groove and the guide bar cooperate to achieve the movement support effect of the mounting seat, improve the movement stability, and thus ensure the smooth up and down movement of the pressure roller.

[0012] As a preferred embodiment, a second motor is fixedly mounted on the inner wall of the support frame, a disc is fixedly mounted on the end of the output shaft of the second motor, two rollers are rotatably mounted on the upper surface of the disc, the two rollers are arranged opposite to each other and eccentrically on the surface of the disc, a sliding frame is provided on the outer surface of the roller, connecting plates are fixedly mounted on both ends of the sliding frame, the connecting plates are fixedly connected to the anti-deflection plates at the same side, and a channel for the movement of the connecting plates is opened on the surface of the support frame.

[0013] By adopting the above scheme, motor 2 is used to drive the disc to rotate, the disc drives the roller to rotate, the roller rolls in the sliding frame, and then drives the two sliding frames to be relatively close, thereby driving the connecting plate to drive the anti-deflection plate to move, and then the two anti-deflection plates are used to achieve the transmission anti-deflection effect of the label, thereby ensuring good detection accuracy.

[0014] As a preferred embodiment, limit rings are fixedly installed on the outer surfaces of both ends of the roller, and the two limit rings are respectively fitted on the upper and lower surfaces of the sliding frame at the same side position; a mounting block is fixedly installed on the inner wall of the support frame, and an arc-shaped slider is fixedly installed on the side of the mounting block; an annular groove is provided on the outer surface of the disc, and the arc-shaped slider is slidably installed on the inner wall of the annular groove; support rods are slidably installed on both ends of the sliding frame, and assembly blocks are fixedly installed on both ends of the support rods, and the assembly blocks are fixedly installed on the inner wall of the support frame.

[0015] By adopting the above scheme, the limit ring is attached to the surface of the sliding frame to avoid misalignment when the sliding frame and the roller are used in combination, so as to ensure stable movement of the structure. The mounting block and the arc-shaped slider are used in combination to ensure stable rotation of the disc and avoid shaking. The assembly block and the support rod are used in combination to support and guide the movement of the sliding frame and avoid shaking of the sliding frame.

[0016] As a preferred embodiment, a plurality of limit plates are fixedly installed on the inner wall of the assembly frame one, a sliding bar is fixedly installed on the surface of the limit plate, a sliding groove for the sliding bar to slide is provided on the surface of the supporting platform, a locking rod is slidably installed on the side of the assembly frame one, a pull plate is fixedly installed on one end of the locking rod, a spring 2 is fixedly installed between the pull plate and the assembly frame one, and a plurality of lock grooves for the locking rod to be inserted are provided on the side of the supporting platform.

[0017] By adopting the above scheme, the limit plate and the sliding bar are used in conjunction with the sliding groove to ensure that the assembly frame 1 can move stably and avoid shaking of the assembly frame 1. The locking rod and the spring 2 are used in conjunction with each other. When the locking rod is disengaged from the locking groove, the assembly frame 1 is unlocked. At this time, the spring 2 is deformed, and the assembly frame 1 can slide to adjust the position. After the position is adjusted, the elastic force of the spring 2 is used to drive the locking rod to return to the locking groove, thereby realizing the position adjustment and locking of the assembly frame 1.

[0018] As a preferred embodiment, a plurality of limit rods are fixedly installed on the inner wall of the strip hole on the assembly frame, the sliding plate is slidably installed on the outer surface of the limit rod, the upper surface of the sliding plate is fixedly installed with a guide frame, the upper surface of the assembly frame is fixedly installed with a fixed tooth plate, a connecting slide rod is slidably installed on the guide frame, an operating plate and a movable tooth plate are respectively fixedly installed on both ends of the connecting slide rod, the movable tooth plate and the fixed tooth plate are used in combination, and a spring is fixedly installed between the guide frame and the movable tooth plate.

[0019] By adopting the above scheme, the movement of the sliding plate can be guided by the setting of the limit rod, so that the sliding plate has better stability during movement and will not be separated from the assembly frame. The fixed tooth plate and the movable tooth plate are used in conjunction with the spring, and the connecting slide rod plays a supporting effect for the up and down movement of the movable tooth plate. When the movable tooth plate is separated from the fixed tooth plate, the spring is deformed, and at this time the sliding plate is unlocked and can be slid horizontally left and right for adjustment, thereby achieving the horizontal left and right adjustment of the position of the visual detector, and after the adjustment, the elastic force of the spring is used to drive the movable tooth plate to reset and engage with the fixed tooth plate to achieve the position adjustment and locking of the visual detector.

[0020] As a preferred embodiment, a trapezoidal insertion strip is fixedly installed on the lower surface of the material receiving box, a trapezoidal slot for inserting the trapezoidal insertion strip is provided on the inner wall of the supporting frame, a clamping plate is rotatably installed on the side of the material receiving box, a clamping slot is provided on the clamping plate, a clamping rod is fixedly installed on the inner wall of the supporting frame, and the clamping rod and the clamping slot are used in combination.

[0021] By adopting the above solution, the trapezoidal inserting strip is inserted into the trapezoidal slot to realize the insertion of the material receiving box, and shaking can be avoided. The position of the material receiving box is locked by the cooperation of the clamping plate and the clamping rod.

[0022] A method for detecting a quality detection device for label printing, comprising the following steps: S1. Use the mounting plate and mounting bolts to install the detection frame between the discharge port of the label printing device and the feed port of the label winding device; S2, start motor 1, which drives the bidirectional screw to rotate. When the bidirectional screw rotates, it drives the two threaded plates to move relative to each other, and then drives the mounting seat to drive the pressure roller to move up and down through the hinged action of the articulated arm. After the pressure roller is adjusted to just press the label paper on the surface of the transmission roller, stop motor 1; S3, start the second motor, the second motor drives the disc to rotate, the rotation of the disc uses the roller and the sliding frame to drive the two sliding frames to move relatively close, and then drives the two anti-deflection plates to move relative to each other through the connecting plate, and the anti-deflection plates move to fit the side of the label paper and then stop the second motor; S4, pull the pull plate, the pull plate drives the lock rod to move, the lock rod disengages from the lock slot and the spring 2 is deformed, at this time, the assembly rack 1 is unlocked and can move horizontally forward and backward on the load-bearing platform, after moving to a suitable position, release the pull plate, use the elastic force of the spring 2 to drive the lock rod to reset and insert it into the lock slot at this position, and complete the position adjustment of the assembly rack 1 and lock it; S5. Pull the operating panel, the operating panel drives the connecting slide bar to move, the connecting slide bar drives the movable tooth plate to move, the movable tooth plate is separated from the fixed tooth plate and the spring 1 is deformed, at this time the sliding panel is unlocked and can drive the visual detector to move horizontally left and right, after moving to the appropriate position, release the operating panel, use the elastic force of the spring 1 to drive the movable tooth plate to move downward and reset and mesh with the fixed tooth plate, and complete the left and right adjustment of the position of the visual detector; S6. After the label is printed, it is transferred to the reeling device through the transmission roller for reeling. At the same time, the visual detector performs quality inspection on the printed label. If a problematic label is detected, the cylinder will be started through the external controller. The cylinder drives the hole-opening rod to move downward, and the problematic label is marked with a hole. The debris generated by the hole-opening falls into the receiving box. S7. After the operation is completed, the card plate is rotated to disengage the card plate from the card rod. At this time, the aggregate box is unlocked and can be slid out to clean the debris.

[0023] Compared with the prior art, the present invention has the following beneficial effects: The label printing quality inspection device and the inspection method thereof are used by setting an inspection frame in conjunction with a transmission roller and a pressure roller. The inspection frame is installed between the discharge port of the label printing device and the feed port of the winding device. The transmission roller and the pressure roller realize the compression and transmission of the label, and the pressure roller can be adjusted up and down, which is suitable for the compression of labels with different thickness specifications. The visual detector on the assembly frame one is used for quality inspection, and no manual participation in the inspection is required, so that missed inspections are avoided and the accuracy of the inspection operation is improved. In conjunction with the cylinder and the hole-opening rod on the assembly frame two, the problematic labels can be marked with holes, which is convenient for subsequent processing. The label printing quality inspection device and the inspection method thereof are provided with an anti-deflection plate, and a second motor is used in conjunction with a disc, so that the sliding frames on both sides can drive the two anti-deflection plates to move relative to each other through a connecting plate, thereby achieving position limiting and anti-deflection of the label, thereby ensuring that no offset or misalignment occurs during label transmission, and further ensuring the inspection accuracy; The label printing quality inspection device and the inspection method thereof are provided by setting an assembly frame for use with a locking rod. The assembly frame can move horizontally back and forth on a load-bearing platform and be locked by the locking rod. The visual detector is movably arranged on the assembly frame through a sliding plate and can be adjusted horizontally left and right, and is locked by a fixed tooth plate and a movable tooth plate, so that the visual detector can be adjusted horizontally front and back and left and right according to the label printing position requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a structural schematic diagram of the fixed support plate and the bearing stand of the present invention; Figure 3 It is a structural schematic diagram of the support frame of the present invention; Figure 4 It is a structural schematic diagram of the load-bearing stand of the present invention; Figure 5 The structural schematic diagram of the cross section of the load-bearing platform of the present invention is Figure 6 The structural diagram of the motor 2 and the disc of the present invention is shown in FIG. Figure 7 Schematic diagram of the structure of the disc of the present invention Figure 8 The structural diagram of the assembly frame of the present invention is Fig. 9 It is a structural schematic diagram of the sliding plate of the present invention; Fig.10 It is a structural schematic diagram of the locking rod of the present invention; Fig.11 It is a structural schematic diagram of the material receiving box of the present invention; Fig.12 It is a structural schematic diagram of the clamping plate and the clamping rod of the present invention.

[0025] In the figure: 1, detection frame; 2, mounting plate; 3, mounting bolts; 4, fixed support plate; 5, bearing stand; 6, transmission roller; 7, support frame; 8, fixed block; 9, motor 1; 10, bidirectional screw; 11, threaded plate; 12, articulated arm; 13, mounting seat; 14, pressure roller; 15, guide block; 16, guide rod; 17, guide bar; 18, motor 2; 19, disc; 20, roller; 21, sliding frame; 22, connecting plate; 23, anti-deflection plate; 24, mounting block; 25, arc slider; 26, limit Position ring; 27, assembly block; 28, support rod; 29, assembly frame one; 30, assembly frame two; 31, limit plate; 32, sliding bar; 33, sliding plate; 34, visual detector; 35, limit rod; 36, fixed tooth plate; 37, guide frame; 38, connecting slide rod; 39, operating panel; 40, movable tooth plate; 41, spring one; 42, locking rod; 43, pull plate; 44, spring two; 45, cylinder; 46, opening rod; 47, material receiving box; 48, trapezoidal insert; 49, clamping plate; 50, clamping rod. DETAILED DESCRIPTION

[0026] See also Figure 1-12 The present invention provides a quality inspection device for label printing, comprising an inspection frame 1, a mounting plate 2 is fixedly mounted on both the front and rear sides of the lower surface of the side of the inspection frame 1, and a mounting bolt 3 is threadedly mounted on the mounting plate 2; Four fixed support plates 4 are fixedly mounted on the upper surface of the detection frame 1, and the four fixed support plates 4 are grouped in pairs, and a transmission roller 6 is rotatably mounted between two fixed support plates 4 in a group; The load-bearing frame 5 is fixedly mounted on the upper surface of the detection frame 1, and the load-bearing frame 5 is located between the front and rear sets of fixed support plates 4; Two support frames 7 are fixedly mounted on two sets of fixed support plates 4. A mounting seat 13 is movably arranged inside the support frame 7. A pressure roller 14 is rotatably mounted inside the mounting seat 13. The pressure roller 14 is located just above the transmission roller 6 at the same side position. Two anti-deflection plates 23, movably arranged on the upper surface of the carrying platform 5; An assembly frame 29 is movably arranged on the upper surface of the bearing platform 5. A strip hole is opened on the assembly frame 29, and a sliding plate 33 is slidably installed in the strip hole. A visual detector 34 is fixedly installed on the lower surface of the sliding plate 33; The second assembly frame is fixedly mounted on the upper surface of the bearing platform 5. A cylinder 45 is fixedly mounted on the second assembly frame. A perforated rod 46 is fixedly mounted on the end of the piston rod of the cylinder 45. A blanking port is provided at a position on the upper surface of the bearing platform 5 facing the perforated rod 46. The material receiving box 47 is movably arranged inside the supporting platform 5, and the material receiving box 47 is located just below the material dropping opening.

[0027] By setting up a detection frame 1 to cooperate with the transmission roller 6 and the pressure roller 14, the detection frame 1 is installed between the discharge port of the label printing device and the feed port of the winding device, the transmission roller 6 and the pressure roller 14 realize the compression and transmission of the label, and the pressure roller 14 can be adjusted up and down, which is suitable for the compression of labels of different thickness specifications, and the visual detector 34 on the assembly frame 1 29 is used for quality inspection, without manual participation in the inspection, avoiding missed inspections, and improving the accuracy of the inspection operation, and in conjunction with the cylinder 45 and the hole-opening rod 46 on the assembly frame 2, the problematic labels can be marked with holes, which is convenient for subsequent processing, and the anti-deflection plate 23 is set, and the motor 2 18 is used in conjunction with the disc 19, so that The sliding frames 21 on both sides can drive the two anti-deflection plates 23 to move relative to each other through the connecting plate 22, thereby realizing the limit and anti-deflection of the label, thereby ensuring that there will be no offset or misalignment during the label transmission process, and further ensuring the detection accuracy. By setting an assembly frame 29 for use with a locking rod 42, the assembly frame 29 can move horizontally back and forth on the supporting platform 5 and be locked by the locking rod 42, and the visual detector 34 is movably set on the assembly frame 29 through the sliding plate 33, and can be adjusted horizontally left and right, and is locked by the fixed tooth plate 36 and the movable tooth plate 40, so that the visual detector 34 can be adjusted horizontally back and forth and left and right according to the requirements of the label printing position.

[0028] Two fixed blocks 8 are fixedly installed on the upper surface of the support frame 7, a motor 9 is fixedly installed on the side of one of the fixed blocks 8, a bidirectional screw 10 is rotatably installed between the two fixed blocks 8, the output shaft of the motor 9 is fixedly connected to the bidirectional screw 10, threaded plates 11 are threadedly installed on the outer surfaces of the two sections of the threads of the bidirectional screw 10, both ends of the threaded plate 11 are hingedly installed with articulated arms 12, the other end of the articulated arm 12 is hingedly connected to the mounting seat 13, a number of guide rods 16 are fixedly installed between the two fixed blocks 8, a guide block 15 is fixedly installed on the surface of the threaded plate 11, and the guide block 15 is slidably installed on the guide The outer surface of the rod 16 is used with a fixed block 8 in conjunction with a motor 9 and a bidirectional screw 10. When the motor 9 is working, the bidirectional screw 10 is driven to rotate, thereby driving the threaded plate 11 to move, and utilizing the hinged action of the articulated arm 12 to drive the mounting seat 13 to move up and down, thereby realizing the up and down movement of the pressure roller 14, which can realize the compression of labels of different thickness specifications and ensure the smooth transmission of the labels. The guide block 15 and the guide rod 16 can cooperate to support and guide the threaded plate 11, so that the threaded plate 11 can move more smoothly under the rotation of the bidirectional screw 10, and is not prone to tilting and shaking.

[0029] Slideways are provided on the left and right sides of the support frame 7, and guide bars 17 are fixedly installed on the inner walls of the slideways. Both ends of the mounting seat 13 extend to the inside of the slideways at the same side positions. Both ends of the mounting seat 13 are provided with guide grooves, and the guide bars 17 and the guide grooves are used in conjunction with each other. When the mounting seat 13 moves up and down, the mounting seat 13 will slide on the surface of the guide bars 17 through the guide grooves. The guide grooves and the guide bars 17 cooperate to achieve a movement support effect on the mounting seat 13, improve the movement stability, and thus ensure the smooth up and down movement of the pressure roller 14.

[0030] A motor 2 18 is fixedly installed on the inner wall of the support platform 5, and a disc 19 is fixedly installed on the end of the output shaft of the motor 2 18. Two rollers 20 are rotatably installed on the upper surface of the disc 19. The two rollers 20 are arranged relatively to each other and eccentrically on the surface of the disc 19. A sliding frame 21 is provided on the outer surface of the roller 20. Connecting plates 22 are fixedly installed at both ends of the sliding frame 21. The connecting plates 22 are fixedly connected to the anti-deflection plates 23 at the same side. A channel for the movement of the connecting plates 22 is opened on the surface of the support platform 5. The motor 2 18 is used to drive the disc 19 to rotate, and the disc 19 drives the rollers 20 to rotate. The rollers 20 roll in the sliding frame 21, and then the two sliding frames 21 are driven to be relatively close, thereby driving the connecting plate 22 to drive the anti-deflection plate 23 to move, and then the two anti-deflection plates 23 are used to achieve the transmission anti-deflection effect of the label, thereby ensuring good detection accuracy.

[0031] Limiting rings 26 are fixedly installed on the outer surfaces of both ends of the roller 20, and the two limiting rings 26 are respectively fitted to the upper and lower surfaces of the sliding frame 21 at the same side position. A mounting block 24 is fixedly installed on the inner wall of the bearing platform 5, and an arc-shaped slider 25 is fixedly installed on the side of the mounting block 24. An annular groove is provided on the outer surface of the disk 19, and the arc-shaped slider 25 is slidably installed on the inner wall of the annular groove. Support rods 28 are slidably installed on both ends of the sliding frame 21, and assembly blocks 27 are fixedly installed on both ends of the support rod 28. The assembly block 27 is fixedly installed on the inner wall of the bearing platform 5. The limiting rings 26 are fitted on the surface of the sliding frame 21 to avoid the misalignment of the sliding frame 21 and the roller 20 when used together to ensure the stable movement of the structure. The mounting block 24 and the arc-shaped slider 25 are used together to ensure the stable rotation of the disk 19 and avoid shaking. The assembly block 27 and the support rod 28 are used together to support and guide the movement of the sliding frame 21 to avoid shaking of the sliding frame 21.

[0032] The inner wall of the assembly frame 29 is fixedly installed with a plurality of limit plates 31, and a sliding bar 32 is fixedly installed on the surface of the limit plate 31. A sliding groove for the sliding bar 32 to slide is provided on the surface of the supporting platform 5. A locking rod 42 is slidably installed on the side of the assembly frame 29, and a pull plate 43 is fixedly installed at one end of the locking rod 42. A spring 2 44 is fixedly installed between the pull plate and the assembly frame 29. A plurality of locking grooves for the locking rod 42 to be inserted are provided on the side of the supporting platform 5. The limit plates 31 and the sliding bar 32 are used in conjunction with the sliding groove to ensure that the assembly frame 29 can move stably and avoid shaking of the assembly frame 29. The locking rod 42 and the spring 2 44 are used in conjunction with each other. When the locking rod 42 is out of the locking groove, the assembly frame 29 is unlocked. At this time, the spring 2 44 is deformed, and the assembly frame 29 can slide to adjust the position. After the position is adjusted, the elastic force of the spring 2 44 is used to drive the locking rod 42 to reset and insert it into the locking groove, so as to achieve position adjustment and locking of the assembly frame 29.

[0033] A plurality of limit rods 35 are fixedly installed on the inner wall of the strip hole on the assembly frame 29, and the sliding plate 33 is slidably installed on the outer surface of the limit rod 35. A guide frame 37 is fixedly installed on the upper surface of the sliding plate 33. A fixed tooth plate 36 is fixedly installed on the upper surface of the assembly frame 29, and a connecting slide rod 38 is slidably installed on the guide frame 37. An operating plate 39 and a movable tooth plate 40 are fixedly installed at both ends of the connecting slide rod 38. The movable tooth plate 40 and the fixed tooth plate 36 are used in conjunction with each other. A spring 41 is fixedly installed between the guide frame 37 and the movable tooth plate 40. The movement process of the sliding plate 33 can be guided by the setting of the limit rod 35. , so that the sliding plate 33 has better stability during movement and will not separate from the assembly frame 29. The fixed tooth plate 36 and the movable tooth plate 40 are used in conjunction with the spring 41, and the connecting slide rod 38 plays a supporting effect for the up and down movement of the movable tooth plate 40. When the movable tooth plate 40 is separated from the fixed tooth plate 36, the spring 41 is deformed, and at this time the sliding plate 33 is unlocked and can be slid horizontally to the left and right for adjustment, thereby achieving the horizontal left and right adjustment of the position of the visual detector 34, and after the adjustment, the elastic force of the spring 41 is used to drive the movable tooth plate 40 to reset and engage with the fixed tooth plate 36 to achieve the position adjustment and locking of the visual detector 34.

[0034] A trapezoidal insert 48 is fixedly installed on the lower surface of the material receiving box 47, and a trapezoidal slot for the trapezoidal insert 48 to be inserted is provided on the inner wall of the supporting platform 5. A clamping plate 49 is rotatably installed on the side of the material receiving box 47, and a clamping slot is provided on the clamping plate 49. A clamping rod 50 is fixedly installed on the inner wall of the supporting platform 5. The clamping rod 50 and the clamping slot are used in conjunction with each other. The trapezoidal insert 48 is inserted into the trapezoidal slot to realize the insertion of the material receiving box 47 and avoid shaking. The clamping plate 49 and the clamping rod 50 are used in conjunction with each other to realize the position locking of the material receiving box 47.

[0035] The present invention also provides a method for detecting a quality detection device for label printing, comprising the following steps: S1. Use the mounting plate 2 and the mounting bolts 3 to install the detection frame 1 between the discharge port of the label printing device and the feed port of the label winding device; S2, start the motor 9, the motor 9 drives the bidirectional screw 10 to rotate, and the bidirectional screw 10 drives the two threaded plates 11 to move relative to each other, and then drives the mounting seat 13 to drive the pressing roller 14 to move up and down through the hinged action of the hinged arm 12, and stops the motor 9 after the pressing roller 14 is adjusted to just press the label paper on the surface of the transmission roller 6; S3, start the second motor 18, the second motor 18 drives the disc 19 to rotate, the rotation of the disc 19 uses the roller 20 and the sliding frame 21 to drive the two sliding frames 21 to move relatively close, and then drive the two anti-deflection plates 23 to move relative to each other through the connecting plate 22, and the anti-deflection plates 23 move to fit the side of the label paper and then stop the second motor 18; S4, pull the pull plate 43, the pull plate 43 drives the locking rod 42 to move, the locking rod 42 is disengaged from the locking groove and the spring 2 44 is deformed, at this time, the assembly frame 1 29 is unlocked and can move horizontally forward and backward on the support frame 5, and after moving to a suitable position, the pull plate 43 is released, and the elastic force of the spring 2 44 is used to drive the locking rod 42 to return to the locking groove at this position, and the position adjustment of the assembly frame 1 29 is completed and locked; S5. Pull the operating plate 39, the operating plate 39 drives the connecting slide bar 38 to move, the connecting slide bar 38 drives the movable tooth plate 40 to move, the movable tooth plate 40 is separated from the fixed tooth plate 36 and the spring 1 41 is deformed, at this time the sliding plate 33 is unlocked and can drive the visual detector 34 to move horizontally left and right, after moving to a suitable position, release the operating plate 39, use the elastic force of the spring 1 41 to drive the movable tooth plate 40 to move downward and reset and mesh with the fixed tooth plate 36, and complete the left and right adjustment of the position of the visual detector 34; S6, after the label is printed, it is transferred to the reeling device through the transfer roller 6 for reeling. At the same time, the visual detector 34 performs quality inspection on the printed label. If a problematic label is detected, the cylinder 45 is started by the external controller. The cylinder 45 drives the hole-opening rod 46 to move downward, and the problematic label is marked with a hole. The debris generated by the hole-opening falls into the receiving box 47. S7. After the operation is completed, the clamping plate 49 is rotated to disengage the clamping plate 49 from the clamping rod 50. At this time, the material collection box is unlocked and can be slid out to clean the debris.

Claims

1. A quality inspection device for label printing and a method for inspecting the quality of label printing, characterized in that: It comprises a detection frame (1), wherein mounting plates (2) are fixedly mounted on both the front and rear sides of the lower side surface of the detection frame (1), and mounting bolts (3) are threadedly mounted on the mounting plates (2); Four fixed support plates (4) are fixedly mounted on the upper surface of the detection frame (1), the four fixed support plates (4) are arranged in groups of two, and a transmission roller (6) is rotatably mounted between two fixed support plates (4) in a group; A load-bearing frame (5) is fixedly mounted on the upper surface of the detection frame (1), and the load-bearing frame (5) is located between the front and rear sets of fixed support plates (4); Two support frames (7) are fixedly mounted on two sets of fixed support plates (4); a mounting seat (13) is movably provided inside the support frame (7); a pressure roller (14) is rotatably mounted inside the mounting seat (13); the pressure roller (14) is located directly above the transmission roller (6) at the same side position; Two anti-deflection plates (23) movably arranged on the upper surface of the bearing platform (5); An assembly frame (29) is movably arranged on the upper surface of the bearing platform (5), the assembly frame (29) is provided with a strip hole, a sliding plate (33) is slidably installed in the strip hole, and a visual detector (34) is fixedly installed on the lower surface of the sliding plate (33); The second assembly frame is fixedly mounted on the upper surface of the bearing platform (5), a cylinder (45) is fixedly mounted on the second assembly frame, a perforated rod (46) is fixedly mounted on the end of the piston rod of the cylinder (45), and a blanking opening is provided at a position on the upper surface of the bearing platform (5) directly facing the perforated rod (46); A material receiving box (47) is movably arranged inside the supporting platform (5), and the material receiving box (47) is located directly below the material dropping opening.

2. The label printing quality inspection device according to claim 1, characterized in that: Two fixed blocks (8) are fixedly mounted on the upper surface of the support frame (7), a motor (9) is fixedly mounted on the side of one of the fixed blocks (8), a bidirectional screw (10) is rotatably mounted between the two fixed blocks (8), an output shaft of the motor (9) is fixedly connected to the bidirectional screw (10), threaded plates (11) are threadedly mounted on the outer surfaces of two sections of the threads of the bidirectional screw (10), both ends of the threaded plates (11) are hingedly mounted with articulated arms (12), the other end of the articulated arms (12) is hingedly connected to a mounting seat (13), a plurality of guide rods (16) are fixedly mounted between the two fixed blocks (8), a guide block (15) is fixedly mounted on the surface of the threaded plate (11), and the guide block (15) is slidably mounted on the outer surface of the guide rod (16).

3. The label printing quality inspection device according to claim 1, characterized in that: The left and right sides of the support frame (7) are provided with slideways, and the inner wall of the slideway is fixedly mounted with a guide bar (17), both ends of the mounting seat (13) extend to the inside of the slideway at the same side position, and both ends of the mounting seat (13) are provided with a guide groove, and the guide bar (17) and the guide groove are used in conjunction with each other.

4. The label printing quality inspection device according to claim 1, characterized in that: A second motor (18) is fixedly mounted on the inner wall of the bearing platform (5), a disc (19) is fixedly mounted on the end of the output shaft of the second motor (18), two rollers (20) are rotatably mounted on the upper surface of the disc (19), the two rollers (20) are arranged opposite to each other and eccentrically arranged on the surface of the disc (19), a sliding frame (21) is provided on the outer surface of the roller (20), connecting plates (22) are fixedly mounted on both ends of the sliding frame (21), the connecting plates (22) are fixedly connected to the anti-deflection plates (23) at the same side, and a channel for the connecting plates (22) to move is provided on the surface of the bearing platform (5).

5. The label printing quality inspection device according to claim 4, characterized in that: Limiting rings (26) are fixedly mounted on the outer surfaces of both ends of the roller (20), and the two limiting rings (26) are respectively fitted to the upper and lower surfaces of the sliding frame (21) at the same side position. A mounting block (24) is fixedly mounted on the inner wall of the bearing platform (5), and an arc-shaped sliding block (25) is fixedly mounted on the side of the mounting block (24). An annular groove is formed on the outer surface of the disk (19), and the arc-shaped sliding block (25) is slidably mounted on the inner wall of the annular groove. Support rods (28) are slidably mounted on both ends of the sliding frame (21), and assembly blocks (27) are fixedly mounted on both ends of the support rods (28), and the assembly blocks (27) are fixedly mounted on the inner wall of the bearing platform (5).

6. The label printing quality inspection device according to claim 1, characterized in that: A plurality of limit plates (31) are fixedly mounted on the inner wall of the assembly frame (29); a sliding bar (32) is fixedly mounted on the surface of the limit plate (31); a sliding groove for the sliding bar (32) to slide is provided on the surface of the support frame (5); a locking rod (42) is slidably mounted on the side of the assembly frame (29); a pull plate (43) is fixedly mounted on one end of the locking rod (42); a spring (44) is fixedly mounted between the pull plate and the assembly frame (29); and a plurality of locking grooves for the locking rod (42) to be inserted are provided on the side of the support frame (5).

7. The label printing quality inspection device according to claim 1, characterized in that: A plurality of limit rods (35) are fixedly mounted on the inner wall of the strip hole on the assembly frame (29); the sliding plate (33) is slidably mounted on the outer surface of the limit rod (35); a guide frame (37) is fixedly mounted on the upper surface of the sliding plate (33); a fixed tooth plate (36) is fixedly mounted on the upper surface of the assembly frame (29); a connecting slide rod (38) is slidably mounted on the guide frame (37); an operating plate (39) and a movable tooth plate (40) are respectively fixedly mounted on both ends of the connecting slide rod (38); the movable tooth plate (40) and the fixed tooth plate (36) are used in conjunction with each other; and a spring (41) is fixedly mounted between the guide frame (37) and the movable tooth plate (40).

8. The label printing quality inspection device according to claim 1, characterized in that: A trapezoidal inserting strip (48) is fixedly mounted on the lower surface of the material receiving box (47), a trapezoidal slot for inserting the trapezoidal inserting strip (48) is provided on the inner wall of the supporting platform (5), a clamping plate (49) is rotatably mounted on the side of the material receiving box (47), a clamping slot is provided on the clamping plate (49), a clamping rod (50) is fixedly mounted on the inner wall of the supporting platform (5), and the clamping rod (50) and the clamping slot are used in coordination.

9. A method for detecting the quality of label printing according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1. Using a mounting plate (2) and mounting bolts (3), the detection frame (1) is mounted between the outlet of the label printing device and the inlet of the label winding device; S2, start the motor 1 (9), the motor 1 (9) drives the bidirectional screw (10) to rotate, and when the bidirectional screw (10) rotates, it drives the two threaded plates (11) to move relative to each other, and then drives the mounting seat (13) to drive the pressure roller (14) to move up and down through the hinged action of the hinged arm (12), and stops the motor 1 (9) after adjusting the pressure roller (14) to just press the label paper against the surface of the transmission roller (6); S3, starting the second motor (18), the second motor (18) drives the disc (19) to rotate, the rotation of the disc (19) uses the roller (20) and the sliding frame (21) to drive the two sliding frames (21) to move relatively close, and then drives the two anti-deflection plates (23) to move relatively through the connecting plate (22), and the anti-deflection plates (23) move to fit the side of the label paper, and then the second motor (18) is stopped; S4, pull the pull plate (43), the pull plate (43) drives the locking rod (42) to move, the locking rod (42) disengages from the locking groove and the second spring (44) is deformed, at this time the assembly frame (29) is unlocked and can move horizontally back and forth on the support frame (5), after moving to a suitable position, release the pull plate (43), use the elastic force of the second spring (44) to drive the locking rod (42) to return to the locking groove at this position, and complete the position adjustment of the assembly frame (29) and lock it; S5, pull the operating plate (39), the operating plate (39) drives the connecting slide bar (38) to move, the connecting slide bar (38) drives the movable tooth plate (40) to move, the movable tooth plate (40) is separated from the fixed tooth plate (36) and the spring 1 (41) is deformed, at this time the sliding plate (33) is unlocked and can drive the visual detector (34) to move horizontally left and right, after moving to a suitable position, release the operating plate (39), use the elastic force of the spring 1 (41) to drive the movable tooth plate (40) to move downward and reset and mesh with the fixed tooth plate (36), and complete the left and right adjustment of the position of the visual detector (34); S6, after the label is printed, it is transferred to the reeling device through the transfer roller (6) for reeling, and at the same time, the visual detector (34) performs quality inspection on the printed label. If a label with a problem is detected, the cylinder (45) is controlled by the external controller to start, and the cylinder (45) drives the hole-opening rod (46) to move downward, and the hole-opening mark is made on the label with a problem, and the debris generated by the hole-opening falls into the receiving box (47); S7. After the operation is completed, the clamping plate (49) is rotated so that the clamping plate (49) is disengaged from the clamping rod (50). At this time, the aggregate box is unlocked and can be slid out to clean the debris.

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