Double-sided self-adhesive label quality inspection machine and inspection process

Abstract

The invention relates to the technical field of double-sided self-adhesive labels, and discloses a double-sided self-adhesive label quality inspection machine and a detection technology.The double-sided self-adhesive label quality inspection machine comprises a mounting unit, a transmission unit and a cleaning unit, the mounting unit comprises a workbench, an unwinding assembly and a winding assembly, and the unwinding assembly and the winding assembly are symmetrical to each other; a double-sided adhesive label product body is arranged on the unwinding assembly and the winding assembly; the transmission unit comprises a driving assembly, and the driving assembly is used for driving the unwinding assembly and the winding assembly to rotate. According to the invention, when the moving plate moves to half of the track of the special-shaped notch, the placing box stops moving downwards, and the detection assembly body can continuously move downwards, so that the front end of a camera arranged on the detection assembly body can be ensured to be attached to a sponge cleaning plate; the detection assembly body moves downwards, and the front end of the camera can be driven to move downwards and rotate synchronously by the rotating motion state, so that the detection assembly body can be cleaned by the sponge cleaning plate.

Description

Technical Field

[0001] The present invention belongs to the technical field of double-sided self-adhesive labels, and specifically relates to a double-sided self-adhesive label inspection machine and an inspection process. Background Art

[0002] With the use of self-adhesive in life, double-sided self-adhesive has gradually become common. During the process of assembly and factory shipment of double-sided self-adhesive, there are great problems when the existing self-adhesive quality inspection machine inspects double-sided self-adhesive;

[0003] Because when the quality inspection machine for traditional self-adhesive inspects one side of the label, it is necessary to manually swap the positions of the transparent film rolls on the winding component and the unwinding component, and then control the winding component and the unwinding component to reverse through the control panel, so as to inspect the label on the other side of the transparent film, which is rather troublesome and wastes a lot of time for replacement.

[0004] In view of this, the present invention is specifically proposed. Summary of the Invention

[0005] To solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0006] A double-sided self-adhesive label inspection machine includes an installation unit, a transmission unit, and a cleaning unit. The installation unit includes a workbench, an unwinding component, and a winding component. The unwinding component and the winding component are symmetric with each other, and a double-sided self-adhesive label product body is provided on the unwinding component and the winding component; the transmission unit includes a driving component, the driving component is used to drive the unwinding component and the winding component to rotate, and the driving component can also be used to drive the inspection component body to rotate. A camera is provided on one side of the inspection component body; the cleaning unit includes a sponge cleaning plate, and the sponge cleaning plate is used to clean the surface of the camera.

[0007] As a preferred embodiment of the present invention, a maintenance door is provided on the front side of the workbench, support legs are provided around the bottom of the workbench, the four support legs are symmetric with each other in pairs, four symmetrically arranged guide plates are fixedly installed above the workbench, four symmetrically arranged guide rollers are also provided above the workbench, and a placement slot is opened above the workbench.

[0008] As a preferred embodiment of the present invention, the driving assembly includes a servo motor, the servo motor is installed in the inner cavity of the workbench, a rotating rod is fixedly installed at the output end of the servo motor, two synchronous belts are arranged on the rotating rod, and a rotating rod and a rotating shaft are respectively arranged on the other sides of the two synchronous belts. The rotating rod and the rotating shaft are respectively rotatably arranged at the bottom of the inner cavity of the workbench. The upper ends of the rotating rod and the rotating shaft movably penetrate through the workbench and are respectively fixedly connected to the unwinding assembly and the winding assembly. The two synchronous belts are symmetric to each other.

[0009] As a preferred embodiment of the present invention, a half gear is further fixedly installed above the rotating rod, a driving gear is meshed on one side of the half gear, a shaft rod is fixedly penetrated through the driving gear, a fixing plate is fixedly installed above the shaft rod, and the bottom of the shaft rod is rotatably connected to the bottom of the inner cavity of the workbench. One end of the fixing plate away from the rotating rod movably penetrates through a moving plate, the moving plate movably penetrates through the placing notch, and a detection assembly body is arranged at the upper end of the moving plate.

[0010] As a preferred embodiment of the present invention, a circular fixing plate is further arranged in the inner cavity of the workbench, a shaft rod movably penetrates through the middle of the circular fixing plate, a torsion spring is arranged on the shaft rod, and two ends of the torsion spring are respectively arranged on the opposite sides of the circular fixing plate and the half gear. Two mounting brackets are fixedly installed on the side wall of the circular fixing plate, and the other ends of the two mounting brackets are respectively fixedly connected to the opposite side walls of the inner cavity of the workbench.

[0011] As a preferred embodiment of the present invention, a circular ring fixing plate is fixedly installed above the circular fixing plate, a special-shaped notch is formed in the circular ring fixing plate, the special-shaped notch is U-shaped, and a moving plate is slidably arranged above the circular ring fixing plate.

[0012] As a preferred embodiment of the present invention, a guiding sliding groove is formed in one side wall of the moving plate, a guiding sliding block is slidably installed in the inner cavity of the guiding sliding groove, a return spring is fixedly installed on the guiding sliding block, the end of the return spring away from the guiding sliding block is fixedly connected to the guiding sliding groove, and a connecting plate is fixedly connected to the guiding sliding block.

[0013] As a preferred embodiment of the present invention, a semi-circular mounting plate is fixedly installed at the bottom of the connecting plate, a plugging rod is attached to the bottom of the semi-circular mounting plate, the plugging rod is movably plugged into a circular plugging cylinder, the circular plugging cylinder is fixedly installed on the circular fixing plate, a rectangular notch is formed in one side of the circular plugging cylinder, a circular moving plate is slidably arranged in the inner cavity of the circular plugging cylinder, a spring is fixedly installed at the bottom of the circular moving plate, and the end of the spring away from the circular moving plate is fixedly connected to the bottom of the inner cavity of the circular plugging cylinder.

[0014] As a preferred embodiment of the present invention, an L-shaped connecting rod is fixedly installed on one side wall of the circular moving plate. The L-shaped connecting rod movably penetrates through the rectangular notch. One end of the L-shaped connecting rod away from the circular moving plate is fixedly connected with a placement box. A telescopic rod is further arranged at the bottom of the placement box. The bottom of the telescopic rod is fixedly installed on the circular fixed plate. A placement block is arranged in the inner cavity of the placement box. A plug pin is inserted between the placement block and the placement box. One side wall of the placement block is fixedly connected with an adapter plate. One end of the adapter plate away from the placement block is fixedly connected with a sponge cleaning plate.

[0015] A detection process for double-sided adhesive label products:

[0016] Step 1: First, the staff places the double-sided adhesive label product body on the unwinding assembly, and one end of the double-sided adhesive label product body is arranged on the winding assembly. When placing the double-sided adhesive label product body, it is located between two guide rollers and two guide plates.

[0017] Step 2: When the placement of the double-sided adhesive label product body is completed, the staff controls the driving assembly to operate through the controller. Therefore, the driving assembly can drive the unwinding assembly to unwind, and the winding assembly can wind. When the driving assembly operates, it can also drive the detection assembly body to rotate reciprocally by 180°, so that it can switch from one side of the double-sided adhesive label product body to the other side of the double-sided adhesive label product body.

[0018] Step 3: When the driving assembly operates, the detection assembly body can move downward with the assistance of the circular ring fixed plate. When the detection assembly body moves downward, the placement box can be driven to move vertically downward. When the placement box moves downward, it can drive the sponge cleaning plate to move vertically downward at this time.

[0019] Step 4: When the detection assembly body moves downward a certain distance, the moving distance is half of the half trajectory of the special-shaped notch opened on the circular ring fixed plate. At this time, the placement box does not move downward, but the detection assembly body continues to move downward. Therefore, the front end of the camera arranged on the detection assembly body can be attached to the sponge cleaning plate. When the detection assembly body moves downward and is in a rotating state, the front end of the camera can move downward and rotate synchronously. Therefore, the sponge cleaning plate can clean it.

[0020] The present invention has the following beneficial effects compared with the prior art:

[0021] In the present invention, by operating the driving component, the detection component body can rotate circumferentially with the assistance of the moving plate and the circular fixing plate. When the moving plate moves to the special-shaped notch opened in the circular fixing plate, at this time, the moving plate can drive the detection component body to rotate circumferentially and move downward at the same time. When the moving plate moves downward, it can also drive the placement box to move downward. When the moving plate moves to half of the special-shaped notch trajectory, at this time, the placement box stops moving downward, and the detection component body can continue to move downward. Therefore, it can ensure that the front end of the camera provided on the detection component body fits on the sponge cleaning plate. The downward movement and rotation of the detection component body enable the front end of the camera to move downward and rotate synchronously. Therefore, the sponge cleaning plate can clean it.

[0022] The following further describes in detail the specific embodiments of the present invention with reference to the accompanying drawings. Description of the Drawings

[0023] In the drawings:

[0024] Figure 1 is a three-dimensional view of a double-sided adhesive label inspection machine and inspection process;

[0025] Figure 2 is a sectional view of the workbench of a double-sided adhesive label inspection machine and inspection process;

[0026] Figure 3 is the inner cavity of the workbench of a double-sided adhesive label inspection machine and inspection process;

[0027] Figure 4 is a partial view of the inner cavity of the workbench of a double-sided adhesive label inspection machine and inspection process;

[0028] Figure 5 is a circular fixing ring of a double-sided adhesive label inspection machine and inspection process;

[0029] Figure 6 is a side view of a circular fixing ring of a double-sided adhesive label inspection machine and inspection process;

[0030] Figure 7 is a double-sided adhesive label inspection machine and inspection process Figure 6 enlarged view at A in;

[0031] Figure 8 is a sectional view of a circular insertion cylinder of a double-sided adhesive label inspection machine and inspection process;

[0032] Figure 9 is a partial bottom view of a double-sided adhesive label inspection machine and inspection process.

[0033] In the figure:

[0034] 100. Installation unit; 101. Workbench; 1011. Inspection door; 1012. Support leg; 1013. Placing notch; 102. Unwinding assembly; 1021. Rewinding assembly; 1022. Double-sided adhesive label product body; 1023. Guide roller; 1024. Guide plate;

[0035] 200. Transmission unit; 201. Servo motor; 2011. Rotating rod; 2012. Synchronous belt; 2013. Rotating bar; 2014. Rotating shaft; 202. Fixed plate; 2021. Moving plate; 2022. Detection assembly body; 2023. Camera; 2024. Guide chute; 2025. Guide slider; 2026. Return spring; 203. Circular fixed plate; 2031. Mounting bracket; 2032. Ring fixed plate; 2033. Special-shaped notch; 204. Half gear; 2041. Driving gear; 2042. Shaft rod; 2043. Torsion spring;

[0036] 300. Cleaning unit; 301. Connecting plate; 3011. Semi-circular mounting plate; 3012. Inserting rod; 302. Circular inserting cylinder; 3021. Circular moving plate; 3022. Spring; 3023. L-shaped connecting rod; 3024. Telescopic rod; 3025. Rectangular notch; 303. Placing box; 3031. Placing block; 3032. Pin; 3033. Connecting plate; 304. Sponge cleaning plate. Detailed implementation manners

[0037] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention.

[0038] Embodiment 1:

[0039] As Figures 1 to 9 shown, a double-sided adhesive label inspection machine includes an installation unit 100, a transmission unit 200 and a cleaning unit 300. The installation unit 100 includes a workbench 101, an unwinding assembly 102 and a rewinding assembly 1021. The unwinding assembly 102 and the rewinding assembly 1021 are symmetric to each other, and a double-sided adhesive label product body 1022 is provided on the unwinding assembly 102 and the rewinding assembly 1021. The transmission unit 200 includes a driving assembly for driving the unwinding assembly 102 and the rewinding assembly 1021 to rotate, and the driving assembly can also be used to drive the detection assembly body 2022 to rotate. A camera 2023 is provided on one side of the detection assembly body 2022. The cleaning unit 300 includes a sponge cleaning plate 304 for cleaning the surface of the camera 2023.

[0040] As Figures 1 to 2As shown, in the specific implementation manner, a maintenance door 1011 is provided on the front side of the workbench 101. Support legs 1012 are provided around the bottom of the workbench 101. The four support legs 1012 are symmetric with each other in pairs. Four guide plates 1024 that are symmetric with each other in pairs are fixedly installed above the workbench 101. Four guide rollers 1023 that are symmetric with each other in pairs are also provided above the workbench 101. A placement notch 1013 is formed above the workbench 101. In this setting, the installation components on the workbench 101 are determined.

[0041] As Figures 2 to 6 and Figure 9 shown, further, the driving assembly includes a servo motor 201. The servo motor 201 is installed in the inner cavity of the workbench 101. A rotating rod 2011 is fixedly installed at the output end of the servo motor 201. Two synchronous belts 2012 are provided on the rotating rod 2011. A rotating rod 2013 and a rotating rod 2014 are respectively provided on the other sides of the two synchronous belts 2012. The rotating rod 2013 and the rotating rod 2014 are respectively rotatably arranged at the bottom of the inner cavity of the workbench 101. The upper ends of the rotating rod 2013 and the rotating rod 2014 movably penetrate through the workbench 101 and are respectively fixedly connected to the unwinding assembly 102 and the winding assembly 1021. The two synchronous belts 2012 are symmetric with each other. In this setting, the installation position and components of the driving assembly are determined.

[0042] As Figures 2 to 6 and Figure 9 shown, further, a half gear 204 is fixedly installed above the rotating rod 2011. A driving gear 2041 is meshed on one side of the half gear 204. A shaft rod 2042 is fixedly penetrated through the driving gear 2041. A fixing plate 202 is fixedly installed above the shaft rod 2042. The bottom of the shaft rod 2042 is rotatably connected to the bottom of the inner cavity of the workbench 101. A moving plate 2021 movably penetrates through one end of the fixing plate 202 away from the rotating rod 2011. The moving plate 2021 movably penetrates through the placement notch 1013. A detection assembly body 2022 is provided at the upper end of the moving plate 2021. In this setting, it is ensured that when the rotating rod 2011 rotates, it can drive the detection assembly body 2022 to rotate.

[0043] Embodiment 2:

[0044] Based on the above embodiment, the difference from this embodiment is that: As Figures 2 to 6 and Figure 9As shown in the figure, there is also a circular fixing plate 203 inside the workbench 101 of a double-sided self-adhesive label inspection machine. A shaft rod 2042 passes through the middle of the circular fixing plate 203 movably. A torsion spring 2043 is arranged on the shaft rod 2042. The two ends of the torsion spring 2043 are respectively arranged on the opposite sides of the circular fixing plate 203 and the semi-gear 2041. Two mounting brackets 2031 are fixedly installed on the side wall of the circular fixing plate 203. The other ends of the two mounting brackets 2031 are respectively fixedly connected to the opposite side walls inside the workbench 101.

[0045] As Figures 2 to 6 and Figure 9 As shown in the figure, in the specific implementation manner, a ring fixing plate 2032 is fixedly installed above the circular fixing plate 203. A special-shaped notch 2033 is opened on the ring fixing plate 2032. The special-shaped notch 2033 is U-shaped. A moving plate 2021 is slidably arranged above the ring fixing plate 2032. In this setting, the installation position and shape of the ring fixing plate 2032 are determined.

[0046] As Figures 2 to 7 As shown in the figure, further, a guiding chute 2024 is opened on one side wall of the moving plate 2021. A guiding slider 2025 is slidably installed inside the guiding chute 2024. A return spring 2026 is fixedly installed on the guiding slider 2025. The end of the return spring 2026 away from the guiding slider 2025 is fixedly connected to the guiding chute 2024. A connecting plate 301 is fixedly connected to the guiding slider 2025. In this setting, the specific connection relationship between the connecting plate 301 and the moving plate 2021 is determined.

[0047] As Figures 2 to 6 and Figure 8 As shown in the figure, further, a semi-circular mounting plate 3011 is fixedly installed at the bottom of the connecting plate 301. A plugging rod 3012 is arranged in a fitting manner at the bottom of the semi-circular mounting plate 3011. The plugging rod 3012 is movably plugged into a circular plugging cylinder 302. The circular plugging cylinder 302 is fixedly installed on the circular fixing plate 203. A rectangular notch 3025 is opened on one side of the circular plugging cylinder 302. A circular moving plate 3021 is slidably arranged inside the circular plugging cylinder 302. A spring 3022 is fixedly installed at the bottom of the circular moving plate 3021. The end of the spring 3022 away from the circular moving plate 3021 is fixedly connected to the bottom inside the circular plugging cylinder 302. In this setting, the setting position and connection relationship of the circular moving plate 3021 are determined.

[0048] As Figures 2 to 6 and Figure 8As shown in the figure, further, an L-shaped connecting rod 3023 is fixedly installed on one side wall of the circular moving plate 3021. The L-shaped connecting rod 3023 movably penetrates through the rectangular notch 3025. One end of the L-shaped connecting rod 3023 away from the circular moving plate 3021 is fixedly connected to a placement box 303. A telescopic rod 3024 is further provided at the bottom of the placement box 303. The bottom of the telescopic rod 3024 is fixedly installed on the circular fixing plate 203. A placement block 3031 is arranged in the inner cavity of the placement box 303. A plug pin 3032 is inserted between the placement block 3031 and the placement box 303. One side wall of the placement block 3031 is fixedly connected to an adapter plate 3033. One end of the adapter plate 3033 away from the placement block 3031 is fixedly connected to a sponge cleaning plate 304. In this setting, the specific installation position and connection relationship of the sponge cleaning plate 304 are determined.

[0049] Embodiment 3:

[0050] The present invention also discloses a detection process for double-sided adhesive label products:

[0051] Step 1: First, the staff places the double-sided adhesive label product body 1022 on the unwinding assembly 102, and one end of the double-sided adhesive label product body 1022 is arranged on the winding assembly 1021. When the double-sided adhesive label product body 1022 is placed, it is located between two guide rollers 1023 and between two guide plates 1024;

[0052] Step 2: When the placement of the double-sided adhesive label product body 1022 is completed, the staff controls the driving assembly to operate through the controller. Therefore, the driving assembly can drive the unwinding assembly 102 to unwind, and the winding assembly 1021 can wind. When the driving assembly operates, it can also drive the detection assembly body 2022 to rotate reciprocally by 180°, so that it can switch from one side of the double-sided adhesive label product body 1022 to the other side of the double-sided adhesive label product body 1022;

[0053] Step 3: When the driving assembly operates, the detection assembly body 2022 can move downward with the assistance of the circular fixing plate 2032, and when the detection assembly body 2022 moves downward, it can make the placement box 303 move vertically downward. When the placement box 303 moves downward, at this time it can drive the sponge cleaning plate 304 to move vertically downward;

[0054] Step 4: When the detection component body 2022 moves downward by a certain distance, which is half of the half of the trajectory of the special-shaped notch 2033 formed on the circular ring fixing plate 2032. At this time, the placement box 303 will not move downward, but the detection component body 2022 continues to move downward. Therefore, the front end of the camera 2023 provided on the detection component body 2022 can be attached to the sponge cleaning plate 304. The downward movement and rotation of the detection component body 2022 enable the front end of the camera 2023 to move downward and rotate synchronously. Therefore, the sponge cleaning plate 304 can clean it.

[0055] The implementation principle of a double-sided adhesive label inspection machine and inspection process in this embodiment is as follows:

[0056] First, the staff places the double-sided adhesive label product body 1022 on the unwinding component 102, and one end of the double-sided adhesive label product body 1022 is set on the winding component 1021. When the double-sided adhesive label product body 1022 is placed, it is located between two guide rollers 1023 and two guide plates 1024.

[0057] When the placement of the double-sided adhesive label product body 1022 is completed, the staff controls the servo motor 201 to operate through the controller. Therefore, the servo motor 201 can drive the rotating rod 2011 to rotate. When the rotating rod 2011 rotates, it can drive the rotating rod 2013 and the rotating rod 2014 to rotate respectively through the synchronous belt 2012. When the rotating rod 2013 and the rotating rod 2014 rotate, they can drive the unwinding component 102 to unwind respectively, while the winding component 1021 can wind.

[0058] At the same time, when the servo motor 201 operates, it can drive the driving gear 204 to rotate through the rotating rod 2011. When the driving gear 204 rotates, it can drive the half gear 2041 to rotate. When the half gear 2041 rotates, it can drive the shaft rod 2042 to rotate. When the shaft rod 2042 rotates, it can drive the fixing plate 202 to rotate. When the fixing plate 202 rotates, it can drive the moving plate 2021 to rotate. Since the bottom of the moving plate 2021 is located above the plane of the circular ring fixing plate 2032 at this time, it can ensure that the moving plate 2021 rotates. When the moving plate 2021 rotates, it can drive the detection component body 2022 to rotate, thus ensuring that the detection component body 2022 can rotate 180°. Therefore, the detection component body 2022 can be switched from one side of the double-sided adhesive label product body 1022 to the other side of the double-sided adhesive label product body 1022.

[0059] Meanwhile, when the moving plate 2021 rotates along its moving trajectory, it can move downward with the assistance of the special-shaped notch 2033 formed in the circular ring fixing plate 2032. Since the connecting plate 301 is provided on the moving plate 2021, the connecting plate 301 can drive the semi-circular mounting plate 3011 to move downward and rotate in a circular motion when moving downward. When the connecting plate 301 moves downward, it can press the plugging rod 3012 disposed below and in contact therewith to drive the circular moving plate 3021 to move vertically downward within the circular plugging cylinder 302. When the circular moving plate 3021 moves vertically downward, it can drive the L-shaped connecting rod 3023 to move vertically downward. When the L-shaped connecting rod 3023 moves vertically downward, it can drive the placement box 303 to move downward. When the placement box 303 moves downward, it can drive the sponge cleaning plate 304 to move vertically downward;

[0060] When the moving plate 2021 travels half of the half of the trajectory on the special-shaped notch 2033 formed in the circular ring fixing plate 2032 and then continues to move downward, the semi-circular mounting plate 3011 will be in contact with the upper part of the circular plugging cylinder 302. When the moving plate 2021 continues to move downward, the semi-circular mounting plate 3011 cannot move downward. Therefore, the connecting plate 301 can remain stationary with the assistance of the guiding chute 2024, the guiding slider 2025, and the return spring 2026. When the semi-circular mounting plate 3011 remains stationary, it is the position where the placement box 303 stops moving after descending to a certain position. Therefore, it can ensure that the sponge cleaning plate 304 remains stationary. When the moving plate 2021 continues to move downward, it can drive the detection component body 2022 to move downward while still rotating in a circular motion. Therefore, the front end of the camera 2023 provided on the detection component body 2022 can be in contact with the sponge cleaning plate 304. And due to the downward movement and rotational state of the detection component body 2022, the front end of the camera 2023 can move downward and rotate. Therefore, the sponge cleaning plate 304 can clean it.

[0061] By operating the driving component, the detection component body 2022 can rotate circumferentially with the assistance of the moving plate 2021 and the ring fixing plate 2032. When the moving plate 2021 moves to the special-shaped notch 2033 opened in the ring fixing plate 2032, at this time, the moving plate 2021 can drive the detection component body 2022 to rotate circumferentially and move downward at the same time. When the moving plate 2021 moves downward, it can also drive the placement box 303 to move downward until the moving plate 2021 moves to half of the trajectory of the special-shaped notch 2033. At this time, the placement box 303 stops moving downward, while the detection component body 2022 can continue to move downward. Therefore, it can ensure that the front end of the camera 2023 provided on the detection component body 2022 is attached to the sponge cleaning plate 304. And by the detection component body 2022 moving downward and being in a rotating state, the front end of the camera 2023 can move downward and rotate. Therefore, the sponge cleaning plate 304 can clean it.

Claims

1. A double-sided self-adhesive label inspection machine, comprising an installation unit (100), a transmission unit (200) and a cleaning unit (300), characterized in that: The installation unit (100) includes a workbench (101), a unwinding assembly (102) and a winding assembly (1021). The unwinding assembly (102) and the winding assembly (1021) are symmetric with each other, and a double-sided self-adhesive label product body (1022) is arranged on the unwinding assembly (102) and the winding assembly (1021); The transmission unit (200) includes a driving assembly and a detection assembly body (2022). The driving assembly is used to drive the unwinding assembly (102) and the winding assembly (1021) to rotate. The driving assembly can also be used to drive the detection assembly body (2022) to rotate. A camera (2023) is arranged on one side of the detection assembly body (2022); The cleaning unit (300) includes a sponge cleaning plate (304), and the sponge cleaning plate (304) is used to clean the surface of the camera (2023).

2. The double-sided self-adhesive label inspection machine according to claim 1, wherein An inspection door (1011) is arranged on the front side of the workbench (101). Support legs (1012) are arranged around the bottom of the workbench (101). The four support legs (1012) are symmetric with each other in pairs. Four symmetrically arranged guide plates (1024) are fixedly installed above the workbench (101). Four symmetrically arranged guide rollers (1023) are also arranged above the workbench (101). A placement slot (1013) is opened above the workbench (101).

3. The inspection machine for double-sided self-adhesive labels according to claim 1, wherein, The driving assembly includes a servo motor (201). The servo motor (201) is installed in the inner cavity of the workbench (101). A rotating rod (2011) is fixedly installed at the output end of the servo motor (201). Two synchronous belts (2012) are arranged on the rotating rod (2011). The other sides of the two synchronous belts (2012) are respectively provided with a rotating rod (2013) and a rotating bar (2014). The rotating rod (2013) and the rotating bar (2014) are respectively rotatably arranged at the bottom of the inner cavity of the workbench (101). The upper ends of the rotating rod (2013) and the rotating bar (2014) movably penetrate through the workbench (101) and are respectively fixedly connected to the unwinding assembly (102) and the winding assembly (1021). The two synchronous belts (2012) are symmetric with each other.

4. The inspection machine for double-sided self-adhesive labels according to claim 3, wherein, Above the rotating rod (2011), a semi-gear (204) is also fixedly installed. On one side of the semi-gear (204), a driving gear (2041) is meshed. A shaft rod (2042) is fixedly penetrated through the driving gear (2041). Above the shaft rod (2042), a fixed plate (202) is fixedly installed. And the bottom of the shaft rod (2042) is rotatably connected to the bottom of the inner cavity of the workbench (101). One end of the fixed plate (202) far from the rotating rod (2011) movably penetrates through a moving plate (2021). The moving plate (2021) movably penetrates through the placing notch (1013). At the upper end of the moving plate (2021), a detection component body (2022) is arranged.

5. The inspection machine for double-sided self-adhesive labels according to claim 1, wherein In the inner cavity of the workbench (101), a circular fixed plate (203) is also arranged. The shaft rod (2042) movably penetrates through the middle of the circular fixed plate (203). A torsion spring (2043) is arranged on the shaft rod (2042). The two ends of the torsion spring (2043) are respectively arranged on the opposite sides of the circular fixed plate (203) and the semi-gear (2041). Two mounting brackets (2031) are fixedly installed on the side wall of the circular fixed plate (203). The other ends of the two mounting brackets (2031) are respectively fixedly connected to the opposite side walls of the inner cavity of the workbench (101).

6. The inspection machine for double-sided self-adhesive labels according to claim 5, wherein Above the circular fixed plate (203), a ring-shaped fixed plate (2032) is fixedly installed. An irregular notch (2033) is formed in the ring-shaped fixed plate (2032). The irregular notch (2033) is U-shaped. Above the ring-shaped fixed plate (2032), a moving plate (2021) is slidably arranged.

7. The inspection machine for double-sided self-adhesive labels according to claim 6, wherein, A guiding sliding groove (2024) is formed in one side wall of the moving plate (2021). A guiding sliding block (2025) is slidably installed in the inner cavity of the guiding sliding groove (2024). A reset spring (2026) is fixedly installed on the guiding sliding block (2025). The end of the reset spring (2026) far from the guiding sliding block (2025) is fixedly connected to the guiding sliding groove (2024). A connecting plate (301) is fixedly connected to the guiding sliding block (2025).

8. The inspection machine for double-sided self-adhesive labels according to claim 7, characterized in that, At the bottom of the connecting plate (301), a semi-circular mounting plate (3011) is fixedly installed. The bottom of the semi-circular mounting plate (3011) is attached to a plugging rod (3012). The plugging rod (3012) is movably plugged into a circular plugging cylinder (302). The circular plugging cylinder (302) is fixedly installed on the circular fixed plate (203). A rectangular notch (3025) is formed in one side of the circular plugging cylinder (302). A circular moving plate (3021) is slidably arranged in the inner cavity of the circular plugging cylinder (302). A spring (3022) is fixedly installed at the bottom of the circular moving plate (3021). The end of the spring (3022) far from the circular moving plate (3021) is fixedly connected to the bottom of the inner cavity of the circular plugging cylinder (302).

9. The inspection machine for double-sided self-adhesive labels according to claim 8, characterized in that, One side wall of the circular moving plate (3021) is fixedly installed with an L-shaped connecting rod (3023). The L-shaped connecting rod (3023) movably penetrates through the rectangular notch (3025). One end of the L-shaped connecting rod (3023) away from the circular moving plate (3021) is fixedly connected to a placement box (303). A telescopic rod (3024) is further arranged at the bottom of the placement box (303). The bottom of the telescopic rod (3024) is fixedly installed on the circular fixing plate (203). A placement block (3031) is arranged in the inner cavity of the placement box (303). A pin (3032) is inserted between the placement block (3031) and the placement box (303). One side wall of the placement block (3031) is fixedly connected to an adapter plate (3033). One end of the adapter plate (3033) away from the placement block (3031) is fixedly connected to a sponge cleaning plate (304).

10. A detection process for double-sided self-adhesive label products, characterized in that, Applied to the double-sided self-adhesive label inspection machine according to any one of claims 1 to 9, the double-sided self-adhesive label inspection process is as follows: Step 1: First, the staff places the double-sided self-adhesive label product body (1022) on the unwinding assembly (102), and one end of the double-sided self-adhesive label product body (1022) is arranged on the winding assembly (1021). When placing the double-sided self-adhesive label product body (1022), it is located between two guide rollers (1023) and between two guide plates (1024). Step 2: When the placement of the double-sided self-adhesive label product body (1022) is completed, the staff controls the driving assembly to operate through the controller. Therefore, the driving assembly can drive the unwinding assembly (102) to unwind, and the winding assembly (1021) can wind. When the driving assembly operates, it can also drive the detection assembly body (2022) to rotate reciprocally by 180°, so that it can switch from one side of the double-sided self-adhesive label product body (1022) to the other side of the double-sided self-adhesive label product body (1022). Step 3: When the driving assembly operates, the detection assembly body (2022) can move downward with the assistance of the circular ring fixing plate (2032). When the detection assembly body (2022) moves downward, it can cause the placement box (303) to move vertically downward. When the placement box (303) moves downward, it can drive the sponge cleaning plate (304) to move vertically downward at this time. Step 4: When the detection component body (2022) moves downward by a certain distance, which is half of half of the trajectory of the special-shaped notch (2033) formed on the circular ring fixing plate (2032), at this time, the placement box (303) will not move downward. However, when the detection component body (2022) continues to move downward, the front end of the camera (2023) provided on the detection component body (2022) can be attached to the sponge cleaning plate (304). By virtue of the downward movement and rotational motion state of the detection component body (2022), the front end of the camera (2023) can move downward and rotate synchronously. Therefore, the sponge cleaning plate (304) can clean it.

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