Rapid detection equipment for label printing defects

Abstract

The invention relates to the technical field of label printing detection, and discloses label printing defect rapid detection equipment which comprises a conveying table, a pushing mechanism is fixedly connected to the middle of the top of the conveying table, a detection mechanism is fixedly connected to the top of the pushing mechanism, and a feeding mechanism is fixedly connected to the left end of the top of the conveying table; the driving assembly comprises a first motor, the first motor is arranged in the middle of the top of the conveying table, one end of the back face of the first motor is fixedly connected with a lead screw, the surface of the lead screw is in threaded connection with a threaded block, and the top of the threaded block is fixedly connected with a lug plate base. According to the label printing defect rapid detection equipment, when detection adjustment is performed according to the height of a product label, an electric push rod drives a top table to perform height up-and-down movement, further drives a bearing plate to perform corresponding up-and-down height adjustment, and finally drives a detection head to slide up and down; therefore, corresponding detection adjustment can be carried out according to the height of the product label, and the detection accuracy is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of label printing detection, and particularly to a rapid label printing defect detection device. Background Art

[0002] Rapid detection of label printing defects is a process of using advanced technical means such as image recognition and sensors to perform high-speed and accurate scanning and analysis of freshly printed labels on a label printing production line. This detection method can automatically identify various printing defects such as uneven ink color, pattern offset, blurred characters, missing printing, and dirty spots in an extremely short time. Compared with traditional manual sampling inspection, it not only greatly improves the detection efficiency, can meet the rhythm of large-scale production, but also significantly enhances the detection accuracy, effectively prevents defective labels from entering the market, safeguards the product image and consumer rights and interests, and at the same time reduces the cost loss caused by defective products, which is of great significance for quality control and efficient production in the label printing industry.

[0003] A rapid label printing defect detection device disclosed in the patent publication number CN216284974U, which relates to the technical field of label detection, includes a frame. On one side of the top of the frame, a unwind roller is movably installed, and on the top side of the frame far from the unwind roller, a windup roller is movably installed, and a fixing frame is arranged on one side of the windup roller.

[0004] During the operation of detecting the labels of products by this rapid label printing defect detection device, although it can have a cleaning function, improve the storage quality of the labels after detection, enhance the connectivity, facilitate the installation and disassembly of the transparent plate, and have a limiting function to improve the use effect, currently, when the rapid label printing defect detection device identifies unqualified labels, the processing action response is slow, and it cannot quickly and effectively process the defective labels, which affects the production efficiency. Moreover, most detection devices are difficult to flexibly adjust the position of the detection head according to the height of different product labels, with poor detection adaptability, and are prone to cause detection omissions or inaccuracies. Therefore, corresponding improvements need to be made to the device. Summary of the Invention

[0005] The purpose of the present invention is to provide a rapid label printing defect detection device to solve the problems raised in the above background art.

[0006] To solve the above technical problems, the present invention provides the following technical solution: A rapid label printing defect detection device includes a transfer table. In the middle of the top of the transfer table, a pusher mechanism is fixedly connected. On the top of the pusher mechanism, a detection mechanism is fixedly connected. On the left end of the top of the transfer table, a feeding mechanism is fixedly connected.

[0007] The detection mechanism includes a driving component and an identification component, and the identification component is arranged on the surface of the driving component.

[0008] The driving assembly includes a first motor, which is arranged in the middle of the top of the transfer table. One end of the back of the first motor is fixedly connected with a lead screw. A threaded block is threadedly connected to the surface of the lead screw. An ear plate seat is fixedly connected to the top of the threaded block. A connecting rod is rotatably connected inside the ear plate seat. A hanging strip is rotatably connected inside the top end of the connecting rod. A first spring is fixedly connected to the bottom of the hanging strip. A vertical rod is fixedly connected to the middle of the bottom of the hanging strip. C-shaped strips are respectively arranged on both sides of the lead screw. A rectangular strip is fixedly connected inside the C-shaped strip. One end of the back of the lead screw is fixedly connected with a transmission wheel. A transmission belt is drivingly connected to the surface of the transmission wheel.

[0009] According to the above technical solution, there are two groups of threaded blocks, and two threaded blocks are symmetrically distributed on the surface of a single lead screw.

[0010] According to the above technical solution, the recognition assembly includes a top platform. An electric push rod is fixedly connected inside the top platform. A movable plate is fixedly connected to the bottom end of the electric push rod. Supporting plates are respectively fixedly connected to both sides of the movable plate. Side seats are respectively arranged on both sides of the top platform. A detection head is fixedly connected to the bottom end of the movable plate. The front surface of the side seat is fixedly connected to the back surface of the first motor. The bottom end of the first spring is fixedly connected to the top of the top platform.

[0011] According to the above technical solution, a chute is opened inside the side seat. The surface of the threaded block is slidably connected to the inside of the chute. The surface of the lead screw is rotatably connected to the inside of the chute.

[0012] According to the above technical solution, rectangular holes are respectively opened at the front and rear ends of the top of the top platform. The surface of the rectangular strip is slidably connected to the inside of the rectangular hole. A round hole is opened on the surface of the top platform. The surface of the vertical rod penetrates through the round hole opened on the surface of the top platform.

[0013] According to the above technical solution, the feeding mechanism includes a portal seat, which is fixedly connected to the left end of the top of the transfer table. The left end of the top of the portal seat is rotatably connected with a gear rod. A hollowed-out strip is fixedly connected to the surface of the gear rod. A T-shaped circular plate is arranged inside the hollowed-out strip. A slider is fixedly connected to the bottom end of the T-shaped circular plate. An inclined guide block is fixedly connected to the bottom end of the slider. A limiting rod is fixedly connected to the surface of the inclined guide block. A positioning seat is fixedly connected to the left side of the portal seat. A T-shaped seat is fixedly connected to the top of the gear rod. A second spring is fixedly connected inside the T-shaped seat. One end of the second spring is fixedly connected with a T-shaped block. One end of the T-shaped block is fixedly connected with a vertical strip. A clamping strip is fixedly connected inside one end of the vertical strip.

[0014] According to the above technical solution, a guide groove is provided inside the T-shaped seat, the surface of the T-shaped block is slidably connected to the inside of the guide groove, a positioning hole is provided on the surface of the positioning seat, the surface of the clamping strip is matched with the inside of the positioning hole, a straight groove is provided at the top of the portal-shaped seat, and the surface of the slider is slidably connected to the inside of the straight groove.

[0015] According to the above technical solution, the pushing mechanism includes a support bar, the support bar is fixedly connected to the middle of the top of the transfer table, a rear portal-shaped plate is slidably connected to the inside of the back surface of the support bar, a front hollow plate is slidably connected to the inside of the front surface of the support bar, a second motor is fixedly connected to the surface of the front hollow plate, a screw rod is fixedly connected to the back of the second motor, a baffle is threadedly connected to the surface of the screw rod, one end of the back of the screw rod is rotatably connected to the front surface of the rear portal-shaped plate, a third spring is fixedly connected to the inside of the baffle, one end of the third spring is fixedly connected to a cross-shaped block, one end of the cross-shaped block is fixedly connected to a cross bar, one end of the cross bar is fixedly connected to a vertical seat, and the top of the rear portal-shaped plate is fixedly connected to the bottom end of the vertical rod.

[0016] According to the above technical solution, a guide groove is provided inside the baffle, the surface of the cross-shaped block is slidably connected to the inside of the guide groove, and the surfaces of the rear portal-shaped plate and the front hollow plate are both slidably connected to the inside of the support bar.

[0017] Compared with the prior art, the beneficial effects achieved by the present invention are as follows:

[0018] 1. For this label printing defect rapid detection device, through the provided detection mechanism, when the product moves below the detection head and the detection head recognizes an unqualified label, processing is required at this time. When the first motor drives the lead screw to rotate, it drives the threaded block to move inside the side seat, and then drives the connecting rod to move, adjusting the hanging strip and the vertical rod to move downward. Combined with the driving component, the label detection of the product can be carried out. And when it is necessary to perform detection adjustment according to the height of the product label, at this time, the electric push rod drives the top table to move up and down in height, and then drives the supporting plate to perform corresponding up and down height adjustment, and finally drives the detection head to slide up and down, so that corresponding detection adjustment can be carried out according to the height of the product label and the accuracy of the detection can be ensured.

[0019] 2. For this label printing defect rapid detection device, through the provided feeding mechanism, then rotate the T-shaped seat to drive the gear rod to rotate, and then drive the hollow strip to rotate, driving the T-shaped circular plate and the slider to move inside the portal-shaped seat, and finally drive the inclined guide block to move and change the distance between the inclined guide blocks, thereby realizing the position alignment adjustment of products of different sizes.

[0020] 3. The rapid detection device for label printing defects, through the feeding mechanism set, pulls the vertical strip to overcome the elastic force of the second spring, drives the T-shaped block to move inside the T-shaped seat, and drives the clamping strip to disengage from the clamping position inside the positioning seat, so as to realize the fixing effect after adjusting the position of products with different sizes.

[0021] 4. The rapid detection device for label printing defects, through the pushing mechanism set, when the second motor drives the screw rod to rotate and drives the baffle to move, it pushes the product to move and moves it out of the outside of the driving component, so as to screen out the products with unqualified labels. And when moving, the vertical seat drives the cross bar to move inside the baffle, which can assist the removal of the product and make the screening operation more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings are used to provide further understanding of the present invention, and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention. In the drawings:

[0023] Figure 1 is the three-dimensional structure diagram of the present invention;

[0024] Figure 2 is the three-dimensional structure part diagram of the present invention;

[0025] Figure 3 is the three-dimensional structure diagram of the detection mechanism of the present invention;

[0026] Figure 4 is the three-dimensional structure diagram of the driving component of the present invention;

[0027] Figure 5 is the three-dimensional split part diagram of the driving component of the present invention;

[0028] Figure 6 is the three-dimensional split part diagram of the recognition component of the present invention;

[0029] Figure 7 is the three-dimensional split part diagram of the feeding mechanism of the present invention;

[0030] Figure 8 is the three-dimensional part diagram of the feeding mechanism of the present invention;

[0031] Figure 9 is the three-dimensional split part diagram of the feeding mechanism of the present invention;

[0032] Figure 10 is the three-dimensional structure diagram of the pushing mechanism of the present invention;

[0033] Figure 11 is the three-dimensional split part diagram of the pushing mechanism of the present invention;

[0034] Figure 12 is the three-dimensional structure diagram of the transmission table of the present invention.

[0035] In the figure: 1, transfer table; 2, detection mechanism; 21, drive assembly; 211, first motor; 212, lead screw; 213, threaded block; 214, ear plate seat; 215, connecting rod; 216, hanging strip; 2161, first spring; 217, vertical rod; 218, C-shaped strip; 219, rectangular strip; 2191, transmission wheel; 2192, transmission belt; 22, identification component; 221, electric push rod; 222, top table; 223, movable plate; 224, side seat; 225, supporting plate; 226, detection head; 3, feeding mechanism; 31, gantry seat; 32, gear rod member; 33, hollow strip; 34, T-shaped circular plate; 35, slider; 36, inclined guide block; 361, limiting rod; 37, positioning seat; 38, T-shaped seat; 381, second spring; 382, T-shaped block; 383, vertical strip; 39, clamping strip; 4, material pushing mechanism; 41, support strip; 42, second motor; 43, screw; 44, baffle; 441, third spring; 45, rear gantry plate; 46, front hollow plate; 47, cross block; 48, cross bar; 49, vertical seat. Specific implementation manner

[0036] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0037] The present invention provides the following technical solutions:

[0038] Embodiment 1

[0039] Combined with Figures 2 to 12 , a rapid detection device for label printing defects, including a transfer table 1, a material pushing mechanism 4 is fixedly connected to the middle of the top of the transfer table 1, a detection mechanism 2 is fixedly connected to the top of the material pushing mechanism 4, and a feeding mechanism 3 is fixedly connected to the left end of the top of the transfer table 1;

[0040] The detection mechanism 2 includes a drive assembly 21 and an identification component 22, and the identification component 22 is arranged on the surface of the drive assembly 21;

[0041] The driving assembly 21 includes a first motor 211, which is arranged in the middle of the top of the transmission platform 1. A screw rod 212 is fixedly connected to one end of the back of the first motor 211. A threaded block 213 is threadedly connected to the surface of the screw rod 212. The top of the threaded block 213 is fixedly connected to an ear plate seat 214. A connecting rod 215 is rotatably connected inside the ear plate seat 214. A hanging bar 216 is rotatably connected to the top of the connecting rod 215. A first spring 2161 is fixedly connected to the bottom of the hanging bar 216. A vertical rod 217 is fixedly connected to the middle of the bottom of the hanging bar 216. C-shaped bars 218 are respectively arranged on both sides of the screw rod 212. A rectangular bar 219 is fixedly connected inside the C-shaped bar 218. One end of the back of the screw rod 212 A transmission wheel 2191 is fixedly connected, and a transmission belt 2192 is transmission-connected to the surface of the transmission wheel 2191. There are two groups of threaded blocks 213, and two threaded blocks 213 are symmetrically distributed on the surface of a single screw rod 212. The identification component 22 includes a top platform 222, and an electric push rod 221 is fixedly connected inside the top platform 222. A movable plate 223 is fixedly connected to the bottom end of the electric push rod 221, and supporting plates 225 are fixedly connected to both sides of the movable plate 223. Side seats 224 are respectively arranged on both sides of the top platform 222, and a detection head 226 is fixedly connected to the bottom end of the movable plate 223. The front side seat 224 is fixedly connected to the back side of the first motor 211, and the bottom end of the first spring 2161 is fixedly connected to the top of the top platform 222.

[0042] Furthermore, a slide groove is provided inside the side seat 224, the surface of the threaded block 213 is slidably connected to the inside of the slide groove, the surface of the screw rod 212 is rotatably connected to the inside of the slide groove, rectangular holes are provided at the front and rear ends of the top of the top platform 222, the surface of the rectangular bar 219 is slidably connected to the inside of the rectangular hole, a round hole is provided on the surface of the top platform 222, and the surface of the vertical rod 217 passes through the round hole provided on the surface of the top platform 222. When the product moves under the detection head 226 and the detection head 226 identifies an unqualified label, it needs to be processed at this time, and the first motor 211 drives the screw rod 212 to rotate When the threaded block 213 is driven to move inside the side seat 224, the connecting rod 215 is driven to move and the hanging bar 216 and the vertical rod 217 are adjusted to move downward. The driving assembly 21 can detect the product label. When it is necessary to adjust the detection according to the height of the product label, the electric push rod 221 drives the top platform 222 to move up and down, and then drives the supporting plate 225 to adjust the height up and down accordingly, and finally drives the detection head 226 to slide up and down, so that the corresponding detection adjustment can be made according to the height of the product label.

[0043] Embodiment 2

[0044] See also Figures 1-12, and on the basis of the first embodiment, it is further obtained that the feeding mechanism 3 includes a portal seat 31, the portal seat 31 is fixedly connected to the left end of the top of the transfer table 1, the left end of the top of the portal seat 31 is rotatably connected with a gear rod 32, a hollow strip 33 is fixedly connected to the surface of the gear rod 32, a T-shaped circular plate 34 is arranged inside the hollow strip 33, a slider 35 is fixedly connected to the bottom end of the T-shaped circular plate 34, an inclined guide block 36 is fixedly connected to the bottom end of the slider 35, a limiting rod 361 is fixedly connected to the surface of the inclined guide block 36, a positioning seat 37 is fixedly connected to the left side of the portal seat 31, a T-shaped seat 38 is fixedly connected to the top of the gear rod 32, a second spring 381 is fixedly connected inside the T-shaped seat 38, one end of the second spring 381 is fixedly connected with a T-shaped block 382, one end of the T-shaped block 382 is fixedly connected with a vertical strip 383, and a clamping strip 39 is fixedly connected inside one end of the vertical strip 383.

[0045] Furthermore, a guide groove is opened inside the T-shaped seat 38, the surface of the T-shaped block 382 is slidably connected with the inside of the guide groove, a positioning hole is opened on the surface of the positioning seat 37, the surface of the clamping strip 39 is matched with the inside of the positioning hole, a straight groove is opened on the top of the portal seat 31, and the surface of the slider 35 is slidably connected with the inside of the straight groove. Pulling the vertical strip 383 overcomes the elastic force of the second spring 381 to drive the T-shaped block 382 to move inside the T-shaped seat 38, and drives the clamping strip 39 to disengage from the clamping position inside the positioning seat 37, realizing the fixing effect after the position adjustment of products with different sizes.

[0046] Embodiment Three

[0047] Refer to Figures 1-12 , and on the basis of the first embodiment, it is further obtained that the pushing mechanism 4 includes a support strip 41, the support strip 41 is fixedly connected to the middle of the top of the transfer table 1, a rear portal plate 45 is slidably connected inside the back surface of the support strip 41, a front hollow plate 46 is slidably connected inside the front surface of the support strip 41, a second motor 42 is fixedly connected to the surface of the front hollow plate 46, a screw rod 43 is fixedly connected to the back of the second motor 42, a baffle 44 is threadedly connected to the surface of the screw rod 43, one end of the back of the screw rod 43 is rotatably connected to the front surface of the rear portal plate 45, a third spring 441 is fixedly connected inside the baffle 44, one end of the third spring 441 is fixedly connected with a cross block 47, one end of the cross block 47 is fixedly connected with a cross bar 48, one end of the cross bar 48 is fixedly connected with a vertical seat 49, and the top of the rear portal plate 45 is fixedly connected to the bottom end of the vertical rod 217.

[0048] Furthermore, a guide groove is formed inside the baffle 44, the surface of the cross block 47 is slidably connected to the inside of the guide groove, the surfaces of the rear door-shaped plate 45 and the front hollow plate 46 are both slidably connected to the inside of the support bar 41. When the second motor 42 drives the screw 43 to rotate and drives the baffle 44 to move, it pushes the product to move and moves it out of the outside of the driving assembly 21, thereby screening out the products with unqualified labels. And when moving, the vertical seat 49 drives the cross bar 48 to move inside the baffle 44, which can assist the movement of the product and make the screening operation more convenient.

[0049] During the actual operation process, when this device is used, when detecting the label of the product, first place the product at the left end of the transfer table 1 and position it correctly. The product is correctly positioned under the action of the inclined plane trajectory at the inclined guide block 36. In addition, when it is necessary to correctly position products of different sizes, at this time, pull the vertical bar 383 to overcome the elastic force of the second spring 381 to drive the T-shaped block 382 to move inside the T-shaped seat 38, and drive the clamping bar 39 to disengage from the clamping position inside the positioning seat 37. Then rotate the T-shaped seat 38 to drive the gear rod 32 to rotate, and then drive the hollow bar 33 to rotate, driving the T-shaped circular plate 34 and the slider 35 to move inside the door-shaped seat 31, and finally drive the inclined guide block 36 to move to change the distance between the inclined guide blocks 36, thereby realizing the position adjustment of products of different sizes;

[0050] When detecting, the detection head 226 is connected to the corresponding control processing center. When the product moves below the detection head 226 and the detection head 226 recognizes an unqualified label, processing is required at this time. When the first motor 211 drives the lead screw 212 to rotate, it drives the threaded block 213 to move inside the side seat 224, and then drives the connecting rod 215 to move to adjust the hanging bar 216 and the vertical rod 217 to move downward, and moves the rear door-shaped plate 45 and the baffle 44 to the product pushing position. At this time, the second motor 42 drives the screw 43 to rotate and drives the baffle 44 to move, pushing the product to move and moving it out of the outside of the driving assembly 21, thereby screening out the products with unqualified labels. And when moving, the vertical seat 49 drives the cross bar 48 to move inside the baffle 44, which can assist the movement of the product and make the screening operation more convenient;

[0051] When detecting, when it is necessary to perform detection adjustment according to the height of the product label, at this time, the electric push rod 221 drives the top platform 222 to move up and down in height, and then drives the supporting plate 225 to perform corresponding up and down height adjustment, and finally drives the detection head 226 to slide up and down, so that the corresponding detection adjustment can be performed according to the height of the product label.

[0052] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0053] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A rapid detection device for label printing defects, including a transfer table (1), characterized in that: In the middle of the top of the transfer table (1), a material pushing mechanism (4) is fixedly connected, and a detection mechanism (2) is fixedly connected to the top of the material pushing mechanism (4). A feeding mechanism (3) is fixedly connected to the left end of the top of the transfer table (1). The detection mechanism (2) includes a driving component (21) and an identification component (22), and the identification component (22) is arranged on the surface of the driving component (21). The driving component (21) includes a first motor (211). The first motor (211) is arranged in the middle of the top of the transfer table (1). One end of the back of the first motor (211) is fixedly connected to a lead screw (212). A threaded block (213) is threadedly connected to the surface of the lead screw (212). An ear plate seat (214) is fixedly connected to the top of the threaded block (213). A connecting rod (215) is rotatably connected inside the ear plate seat (214). The top end of the connecting rod (215) is rotatably connected to a hanging bar (216). A first spring (2161) is fixedly connected to the bottom of the hanging bar (216). A vertical rod (217) is fixedly connected to the middle of the bottom of the hanging bar (216). C-shaped bars (218) are respectively arranged on both sides of the lead screw (212). A rectangular bar (219) is fixedly connected inside the C-shaped bar (218). A transmission wheel (2191) is fixedly connected to one end of the back of the lead screw (212). A transmission belt (2192) is connected to the surface of the transmission wheel (2191).

2. The rapid detection device for label printing defects according to claim 1, characterized in that: There are two groups of threaded blocks (213), and two threaded blocks (213) are symmetrically distributed on the surface of a single lead screw (212).

3. The rapid detection device for label printing defects according to claim 2, characterized in that: The identification component (22) includes a top platform (222). An electric push rod (221) is fixedly connected inside the top platform (222). A movable plate (223) is fixedly connected to the bottom end of the electric push rod (221). Supporting plates (225) are respectively fixedly connected to both sides of the movable plate (223). Side seats (224) are respectively arranged on both sides of the top platform (222). A detection head (226) is fixedly connected to the bottom end of the movable plate (223). The front of the side seat (224) is fixedly connected to the back of the first motor (211). The bottom end of the first spring (2161) is fixedly connected to the top of the top platform (222).

4. The rapid detection device for label printing defects according to claim 3, characterized in that: A chute is opened inside the side seat (224), and the surface of the threaded block (213) is slidably connected to the inside of the chute. The surface of the lead screw (212) is rotatably connected to the inside of the chute.

5. The rapid detection device for label printing defects according to claim 4, wherein: Rectangular holes are respectively opened at the front and rear ends of the top of the top platform (222), and the surface of the rectangular bar (219) is slidably connected to the inside of the rectangular holes. A circular hole is opened on the surface of the top platform (222), and the surface of the vertical rod (217) penetrates through the circular hole opened on the surface of the top platform (222).

6. The rapid detection device for label printing defects according to claim 5, characterized in that: The feeding mechanism (3) includes a portal-shaped seat (31), the portal-shaped seat (31) is fixedly connected to the left end of the top of the transmission table (1), a gear rod (32) is rotatably connected to the left end of the top of the portal-shaped seat (31), a hollow strip (33) is fixedly connected to the surface of the gear rod (32), a T-shaped circular plate (34) is arranged inside the hollow strip (33), a slider (35) is fixedly connected to the bottom end of the T-shaped circular plate (34), an inclined guide block (36) is fixedly connected to the bottom end of the slider (35), a limiting rod (361) is fixedly connected to the surface of the inclined guide block (36), a positioning seat (37) is fixedly connected to the left side of the portal-shaped seat (31), a T-shaped seat (38) is fixedly connected to the top of the gear rod (32), a second spring (381) is fixedly connected inside the T-shaped seat (38), a T-shaped block (382) is fixedly connected to one end of the second spring (381), a vertical strip (383) is fixedly connected to one end of the T-shaped block (382), and a clamping strip (39) is fixedly connected inside one end of the vertical strip (383).

7. The rapid detection device for label printing defects according to claim 6, wherein: A guide groove is opened inside the T-shaped seat (38), the surface of the T-shaped block (382) is slidably connected to the inside of the guide groove, a positioning hole is opened on the surface of the positioning seat (37), the surface of the clamping strip (39) is matched with the inside of the positioning hole, a straight groove is opened on the top of the portal-shaped seat (31), and the surface of the slider (35) is slidably connected to the inside of the straight groove.

8. A rapid detection device for label printing defects according to claim 7, characterized in that: The material pushing mechanism (4) includes a support strip (41), the support strip (41) is fixedly connected to the middle of the top of the transmission table (1), a rear portal-shaped plate (45) is slidably connected to the inside of the back surface of the support strip (41), a front hollow plate (46) is slidably connected to the inside of the front surface of the support strip (41), a second motor (42) is fixedly connected to the surface of the front hollow plate (46), a screw rod (43) is fixedly connected to the back of the second motor (42), a baffle (44) is threadedly connected to the surface of the screw rod (43), one end of the back of the screw rod (43) is rotatably connected to the front surface of the rear portal-shaped plate (45), a third spring (441) is fixedly connected inside the baffle (44), a cross-shaped block (47) is fixedly connected to one end of the third spring (441), a cross bar (48) is fixedly connected to one end of the cross-shaped block (47), a vertical seat (49) is fixedly connected to one end of the cross bar (48), and the top of the rear portal-shaped plate (45) is fixedly connected to the bottom end of the vertical rod (217).

9. A rapid detection device for label printing defects according to claim 8, characterized in that: A guide groove is opened inside the baffle (44), the surface of the cross-shaped block (47) is slidably connected to the inside of the guide groove, and the surfaces of the rear portal-shaped plate (45) and the front hollow plate (46) are both slidably connected to the inside of the support strip (41).

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