CN110817025A

CN110817025A - Labeling device

Info

Publication number: CN110817025A
Application number: CN201911143419.1A
Authority: CN
Inventors: 杨娅; 刘丽梅; 曾繁春; 沈强
Original assignee: Shenzhen Lianshuo Automation Technology Co ltd
Current assignee: Shenzhen Lianshuo Automation Technology Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-02-21

Abstract

The invention is suitable for the technical field of labeling, and provides a labeling device which comprises a platform, wherein a first support, a second support and a conveying mechanism are arranged on the platform, the first support and the second support are both positioned on one side of the conveying mechanism, the first support is positioned on one side of an inlet end of the conveying mechanism, blocking mechanisms are arranged on the middle part and the outlet end of the conveying mechanism, a turnover mechanism is arranged on the first support, a sliding module is arranged on the second support, a labeling mechanism is arranged on the sliding module, the labeling mechanism comprises an adjusting mechanism arranged on the sliding module, a first label absorbing mechanism arranged at one end of the adjusting mechanism, a second label absorbing mechanism arranged at the other end of the adjusting mechanism, and a label pressing mechanism arranged on the adjusting mechanism and positioned between the first label absorbing mechanism and the second label absorbing mechanism. The labeling device has the following beneficial effects: paste the mark precision high, can paste the mark fast, reduce the cost of labor, improve work efficiency and paste the mark effect and do not influence the product pleasing to the eye.

Description

Labeling device

Technical Field

The invention belongs to the technical field of labeling, and particularly relates to a labeling device.

Background

In a 3C industry flow production line, the last process of product processing is to bag and package products, and for products with higher surface requirements and large production capacity, in order to protect the surfaces of the products, a protective film needs to be attached to the surfaces of the products; meanwhile, a unique bar code is marked on each product for product tracking management, the bar code corresponding to the product needs to be printed during packaging, and the printed bar code is attached to a packaging bag.

In the existing labeling technology, manual operation is needed, a large number of operators are needed, and the labor cost is high; the manual operation easily causes inaccurate positioning of the label, the label is easy to be skewed, and the label needs to be torn and pasted again, so that the working efficiency is influenced; the middle of the label has the phenomena of bubbles, folds and unevenness, which affects the beauty of the product. Therefore, it is necessary to provide a labeling device which has high labeling precision, can rapidly label, reduce labor cost, improve working efficiency and has no influence on product appearance.

Disclosure of Invention

The invention aims to provide a labeling device, aiming at solving the problems that the existing labeling technology needs a large number of operators and has high labor cost; the work efficiency is low and the labeling effect influences the beautiful problem of the product.

The invention is realized in such a way that a labeling device comprises a platform, wherein a first support, a second support and a conveying mechanism are arranged on the platform, the first support and the second support are both positioned on one side of the conveying mechanism, the first support is positioned on one side of an inlet end of the conveying mechanism, blocking mechanisms are arranged on the middle part and the outlet end of the conveying mechanism, a turnover mechanism is arranged on the first support, a sliding module is arranged on the second support, a labeling mechanism is arranged on the sliding module, the labeling mechanism comprises an adjusting mechanism arranged on the sliding module, a first label absorbing mechanism arranged at one end of the adjusting mechanism, a second label absorbing mechanism arranged at the other end of the adjusting mechanism and a label pressing mechanism arranged on the adjusting mechanism and positioned between the first label absorbing mechanism and the second label absorbing mechanism.

The further technical scheme of the invention is as follows: the adjusting mechanism comprises a fixing plate arranged on the sliding module, an adjusting cylinder arranged on the fixing plate, an adjusting slide rail arranged on the fixing plate and an adjusting slide block matched with the adjusting slide rail, wherein one end of the adjusting slide block is connected with the adjusting cylinder.

The further technical scheme of the invention is as follows: the first label absorbing mechanism comprises a connecting rod, an L-shaped fixed angle plate, a first limit nut, a first guide rod, a first compression spring, a limit bolt, a T-shaped connecting plate and a first suction disc, one end of the connecting rod is connected with one end of the fixed plate, the other end of the connecting rod is connected with a vertical plate of the L-shaped fixed angle plate, the upper end of the first guide rod penetrates through a horizontal plate of the L-shaped fixed angle plate and is connected with the first limit nut, a gasket and a first linear bearing are sequentially sleeved between the first limit nut and the horizontal plate from top to bottom, the lower end of the first guide rod is fixedly connected with a transverse plate of the T-shaped connecting plate, the first compression spring is sleeved between the horizontal plate and the T-shaped connecting plate in the middle of the first guide rod, the limit bolt is arranged at both ends of the transverse plate, the first suction disc is arranged on a vertical plate of the T-shaped connecting plate.

The further technical scheme of the invention is as follows: the second label sucking mechanism comprises an L-shaped support and a second sucking disc, the vertical support of the L-shaped support is connected with the other end of the fixing plate, the second sucking disc is arranged on the horizontal support of the L-shaped support, and the second sucking disc is opposite to the first sucking disc.

The further technical scheme of the invention is as follows: the label pressing mechanism is in including setting up slide, setting on the adjusting block are in slip table cylinder on the slide, with T type lifter plate and upper end that the slip table cylinder is connected pass T type lifter plate and second guide arm that is equipped with second stop nut, second guide arm upper end just is located second stop nut with be equipped with second linear bearing between the T type lifter plate, second guide arm lower extreme is equipped with U type linking arm, second guide arm middle part just is located T type lifter plate with the cover is equipped with second compression spring between the U type linking arm, the open end of U type linking arm is equipped with the gyro wheel.

The further technical scheme of the invention is as follows: the sliding module comprises a first sliding mechanism arranged on a horizontal supporting plate of the second support, a second sliding mechanism arranged on the first sliding mechanism and vertically arranged with the first sliding mechanism, and a third sliding mechanism arranged on the second sliding mechanism and vertically arranged with the first sliding mechanism and the second sliding mechanism respectively.

The further technical scheme of the invention is as follows: first glide machanism is including setting up first slide rail, setting on the horizontal support board are in first sliding cylinder and installation of horizontal support board port on the first slide rail and with first slider that the cylinder is connected slides, be equipped with on the first slider with horizontal support board vertically first backup pad, second glide machanism is including setting up on the first backup pad second slide rail, setting are in second sliding cylinder and installation of first backup pad port on the second slide rail and with the second slider that the cylinder is connected slides to the second, be equipped with on the second slider respectively with horizontal support board and the connecting plate that first backup pad set up perpendicularly, be equipped with the second backup pad on the connecting plate, third glide machanism is including setting up third slide rail, setting on the second backup pad are in third sliding cylinder and installation of second backup pad port are in on the third slide rail and install on the third slide rail and and the third sliding block is connected with the third sliding cylinder, and the fixing plate is arranged on the third sliding block.

The further technical scheme of the invention is as follows: this subsides mark device still includes to be installed through the mounting panel visual detection mechanism on the connecting plate opposite side, just visual detection mechanism is located directly over the conveying mechanism, visual detection mechanism is including installing CCD camera, the installation of mounting panel upper end are in the light source and the setting of mounting panel bottom are in filter lens between CCD camera and the light source, just the center of CCD camera, filter lens and light source is located same straight line.

The further technical scheme of the invention is as follows: the turnover mechanism comprises a lifting cylinder, a fixed connecting plate, a third guide rod, a lifting angle plate and a rotary cylinder, the fixed connecting plate is mounted on the first support, the upper end of the third guide rod penetrates through the fixed connecting plate, a limiting gasket is arranged at the upper end of the third guide rod and is located between the limiting gasket and the fixed connecting plate, a third linear bearing is sleeved on the third guide rod, the lower end of the third guide rod is connected with the lifting angle plate, the lifting cylinder is mounted on the fixed connecting plate, a lead screw of the lifting cylinder penetrates through the fixed connecting plate and is connected with the lifting angle plate, the rotary cylinder is arranged below the lifting angle plate, a rotary plate is arranged on the rotary cylinder, and a clamping mechanism is arranged on the.

The further technical scheme of the invention is as follows: the clamping mechanism comprises a clamping jaw air cylinder and a clamping jaw, the clamping jaw air cylinder is arranged on the rotating plate, and the clamping jaw air cylinder is connected with the clamping jaw.

The invention has the beneficial effects that: according to the invention, the product on the conveying mechanism is overturned through the overturning mechanism on the first support, then the blocking mechanism in the middle of the conveying mechanism is released, the overturned product is conveyed to the position below the sliding module and is blocked by the blocking mechanism at the outlet end of the conveying mechanism, the labeling mechanism moves to the position above the product through the sliding module, the label is sucked through the first label sucking mechanism and the second label sucking mechanism of the labeling mechanism, and the label is adhered to the product through the label pressing mechanism, so that the labeling precision of the device is high, the labeling can be realized quickly, the labor cost is reduced, the working efficiency is improved, and the labeling effect does not influence the product appearance.

Drawings

Fig. 1 is a schematic structural diagram of a labeling device provided in an embodiment of the present invention;

fig. 2 is a front view of a labeling device provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a labeling mechanism provided in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the turnover mechanism provided in the embodiment of the present invention.

The names of the components in the figure are as follows:

1-a platform; 2-a first scaffold; 3-a second scaffold; 4-a conveying mechanism; 5-a blocking mechanism; 6-turning over mechanism; 7-labeling mechanism; 8-a first label absorbing mechanism; 9-a second label absorbing mechanism; 10-a marking mechanism; 11-a fixed plate; 12-a regulating cylinder; 13-adjusting the slide rail; 14-adjusting the slide block; 81-connecting rod; 82-L shaped fixed angle plates; 83-a first stop nut; 84-a first guide bar; 85-a first compression spring; 86-a limit bolt; a 87-T shaped connecting plate; 88-a first suction cup; 15-a gasket; 16-a first linear bearing; 91-L shaped stents; 92-a second suction cup; 101-a slide plate; 102-a slip table cylinder; 103-T type lifter plate; 104-a second stop nut; 105-a second guide bar; 17-a second linear bearing; 18-U-shaped connecting arms; 19-a second compression spring; 20-a roller; 21-a first glide mechanism; 22-a second glide mechanism; 23-a third glide mechanism; 24-a connecting plate; 25-a mounting plate; 26-a visual detection mechanism; 261-CCD camera; 262-a light source; 263-filter lens; 61-a lifting cylinder; 62-fixing the connecting plate; 63-a third guide bar; 64-lifting angle plates; 65-a rotary cylinder; 27-a spacing washer; 28-a third linear bearing; 29-rotating plate; 30-a clamping mechanism; 301-gripper cylinder; 302-clamping jaw.

Detailed Description

Specific embodiments of the present invention are described with reference to the above drawings.

As shown in fig. 1-4, the labeling device in this embodiment includes a platform 1, a first support 2, a second support 3 and a conveying mechanism 4 are disposed on the platform 1, the first support 2 and the second support 3 are both disposed on one side of the conveying mechanism 4, the first support 2 is positioned at one side of the inlet end of the conveying mechanism 4, the middle part and the outlet end of the conveying mechanism 4 are both provided with a blocking mechanism 5, the first bracket 2 is provided with a turnover mechanism 6, the second bracket 3 is provided with a sliding module, be equipped with labeller mechanism 7 on the module that slides, labeller mechanism 7 is in including setting up adjustment mechanism, the setting on the module that slides are in the first label mechanism 8, the setting of adjusting mechanism one end are in the second of the adjustment mechanism other end is inhaled mark mechanism 9 and is set up and be in on the adjustment mechanism and be located the mark mechanism 10 is inhaled to pressure between the mark mechanism 9 to first label mechanism 8 and second. That is, in the present embodiment, the blocking mechanism 5 includes a blocking cylinder for positioning the product, when the product is put on the conveying mechanism 4, the blocking cylinder in the middle of the conveying mechanism 4 extends out to block the product, the product on the conveying mechanism 4 is turned over through the turning mechanism 6 on the first bracket 2, then the blocking cylinder in the middle of the conveying mechanism 4 contracts and releases, the overturned product is conveyed to the lower part of the sliding module and is blocked by the blocking cylinder at the outlet end of the conveying mechanism 4, the labeling mechanism 7 moves to the upper part of the product through the sliding module, the label is sucked by the first label sucking mechanism 8 and the second label sucking mechanism 9 of the labeling mechanism 7, and the label is stuck on the product by the label pressing mechanism 10, the device pastes the mark precision height, can paste the mark fast, reduce the cost of labor, improve work efficiency and paste the mark effect and do not influence the product pleasing to the eye.

In this embodiment, as shown in fig. 1 to 4, the adjusting mechanism includes a fixed plate 11 disposed on the sliding module, an adjusting cylinder 12 disposed on the fixed plate 11, an adjusting slide rail 13 disposed on the fixed plate 11, and an adjusting slider 14 adapted to the adjusting slide rail 13, and one end of the adjusting slider 14 is connected to the adjusting cylinder 12. That is to say, in this embodiment, the adjusting mechanism controls the label pressing mechanism 10 to move back and forth between the first label absorbing mechanism 8 and the second label absorbing mechanism 9, so as to realize the label pressing function, and can quickly label and prevent the generation of bubbles, wrinkles and unevenness in the middle of the label.

In this embodiment, as shown in fig. 1 to 4, the first label absorbing mechanism 8 includes a connecting rod 81, an L-shaped fixed angle plate 82, a first limit nut 83, a first guide rod 84, a first compression spring 85, a limit bolt 86, a T-shaped connecting plate 87 and a first suction cup 88, one end of the connecting rod 81 is connected to one end of the fixed plate 11, the other end of the connecting rod 81 is connected to a vertical plate of the L-shaped fixed angle plate 82, the upper end of the first guide rod 84 passes through a horizontal plate of the L-shaped fixed angle plate 82 and is connected to the first limit nut 83, a gasket 15 and a first linear bearing 16 are sequentially sleeved on the upper end of the first guide rod 84 and between the first limit nut 83 and the horizontal plate from top to bottom, the lower end of the first guide rod 84 is fixedly connected to a transverse plate of the T-shaped connecting plate 87, the first compression spring 85 is sleeved on the middle portion of the first guide rod 84 and between the horizontal plate and the T-shaped connecting plate, the two ends of the transverse plate are provided with the limiting bolts 86, and the first suction disc 88 is arranged on a vertical plate of the T-shaped connecting plate 87; the second label sucking mechanism 9 comprises an L-shaped support 91 and a second sucking disc 92, the vertical support of the L-shaped support 91 is connected with the other end of the fixing plate 11, the second sucking disc 92 is arranged on the horizontal support of the L-shaped support 91, and the second sucking disc 92 and the first sucking disc are oppositely arranged 88. That is, in the present embodiment, the first suction pad 88 is located at a lower distance from the conveying mechanism 4 than the second suction pad 92; when the label sticking machine works, the first sucking disc 88 and the second sucking disc 92 can suck labels at the same height through the arrangement of the first sucking disc mechanism 8, when the labels are stuck, one end, close to the first sucking disc 88, of each label is firstly contacted with a product, the labels are stably stuck and then descend to the label through the label pressing mechanism 10, the adjusting air cylinder 12 pushes the label pressing mechanism 10 to move to the other end of each label, namely, the label is stuck to the product and is close to the second sucking disc 92, the first sucking disc 88 and the second sucking disc 92 are released, and then the sticking of the labels is completed.

In this embodiment, as shown in fig. 1 to 4, the label pressing mechanism 10 includes a sliding plate 101 disposed on the adjusting slider 14, a sliding table cylinder 102 disposed on the sliding plate 101, a T-shaped lifting plate 103 connected to the sliding table cylinder 102, and a second guide rod 105 having a second limit nut 104 and passing through the T-shaped lifting plate 103, the upper end of the second guide rod 105 is located on the second limit nut 104 and is disposed between the T-shaped lifting plate 103, a U-shaped connecting arm 18 is disposed at the lower end of the second guide rod 105, a second compression spring 19 is disposed in the middle of the second guide rod 105 and is located between the T-shaped lifting plate 103 and the U-shaped connecting arm 18, and a roller 20 is disposed at an opening end of the U-shaped connecting arm 18. That is to say, in this embodiment, when pressing the label, the label pressing mechanism 10 applies a downward force to the T-shaped lifting plate 103 through the sliding table cylinder 102, and further applies a pressure to the roller 20 below the U-shaped connecting arm 18, so as to press the label when pressing the label.

In this embodiment, as shown in fig. 1 to 4, the sliding module includes a first sliding mechanism 21 disposed on the horizontal support plate of the second support 3, a second sliding mechanism 22 mounted on the first sliding mechanism 21 and disposed perpendicular to the first sliding mechanism 21, and a third sliding mechanism 23 mounted on the second sliding mechanism 22 and disposed perpendicular to the first sliding mechanism 21 and the second sliding mechanism 22, respectively, that is, the horizontal support plate has a height greater than that of the conveying mechanism 4; first glide machanism 21 is including setting up first slide rail, setting on the horizontal support board are in first sliding cylinder and installation in horizontal support board port on the first slide rail and with the first slider that first sliding cylinder is connected, be equipped with on the first slider with horizontal support board vertically first backup pad, second glide machanism 22 is including setting up second slide rail, setting on the first backup pad port the second sliding cylinder and installation in on the second slide rail and with the second slider that the second sliding cylinder is connected, be equipped with on the second slider respectively with horizontal support board and the connecting plate 24 that first backup pad set up perpendicularly, be equipped with the second backup pad on the connecting plate 24, third glide machanism 23 is including setting up third slide rail in the second backup pad, The setting is in third cylinder that slides at second backup pad port department and install on the third slide rail and with the third slider that the third cylinder that slides is connected, fixed plate 11 is installed on the third slider. That is to say, this slip module is convenient for the position control of labeller constructs 7 improves and pastes the mark precision, improves work efficiency.

In this embodiment, as shown in fig. 1 to 4, the labeling device further includes a visual detection mechanism 26 mounted on the other side of the connecting plate 24 through a mounting plate 25, the visual detection mechanism 26 is located right above the conveying mechanism 4, the visual detection mechanism 26 includes a CCD camera 261 mounted on the upper end of the mounting plate 25, a light source 262 mounted on the bottom end of the mounting plate 25, and a filter lens 263 disposed between the CCD camera 261 and the light source 262, and centers of the CCD camera 261, the filter lens 263 and the light source 262 are located on the same straight line. That is, in this embodiment, the light source 262 provides a stable light to the filter lens 263 to illuminate the target object, such as the product and the product placement position, so as to facilitate the CCD camera 261 to lock the corresponding target.

In this embodiment, as shown in fig. 1-4, the turnover mechanism 6 includes a lifting cylinder 61, a fixed connection plate 62, a third guide bar 63, a lifting angle plate 64 and a rotating cylinder 65, the fixed connecting plate 62 is installed on the first bracket 2, the upper end of the third guide rod 63 passes through the fixed connecting plate 62, a limit washer 27 is arranged at the upper end of the third guide rod 63, a third linear bearing 28 is sleeved between the limit washer 27 and the fixed connecting plate 62, the lower end of the third guide rod 63 is connected with the lifting angle plate 64, the lifting cylinder 61 is arranged on the fixed connecting plate 62, the screw rod of the lifting cylinder 61 passes through the fixed connecting plate 62 and is connected with the lifting angle plate 64, a rotating cylinder 65 is arranged below the lifting angle plate 64, a rotating plate 29 is arranged on the rotating cylinder 65, and a clamping mechanism 30 is arranged on the rotating plate 29. That is to say, in this embodiment, the lifting cylinder 61 drives the clamping mechanism 30 to descend to a product, after the clamping mechanism 30 clamps the product stably, the lifting cylinder 61 drives the clamping mechanism 30 to ascend, the rotating cylinder 65 rotates 180 degrees, so that the product is turned over, the lifting cylinder 61 drives the clamping mechanism 30 to descend again and place the product on the conveying mechanism 4, and the clamping mechanism 30 releases the product, returns to the original point, and completes the turnover operation.

In this embodiment, as shown in fig. 1 to 4, the clamping mechanism 30 includes a clamping jaw air cylinder 301 and a clamping jaw 302, the clamping jaw air cylinder 301 is disposed on the rotating plate 29, and the clamping jaw air cylinder 301 is connected to the clamping jaw 302. That is to say, in the present embodiment, the clamping jaw air cylinder 301 is used for controlling the opening and closing of the clamping jaw 302, and the clamping jaw air cylinder 301 drives the clamping jaw 302 to clamp a product; after the product is turned over, the clamping jaw air cylinder 301 drives the clamping jaw 302 to loosen the product, and clamping work is finished.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A labeling device is characterized in that: the automatic labeling machine comprises a platform, be equipped with first support, second support and conveying mechanism on the platform, first support with the second support all is located conveying mechanism one side, just first support is located conveying mechanism entry end one side, the conveying mechanism middle part all is equipped with barrier mechanism with the exit end, be equipped with tilting mechanism on the first support, be equipped with the module that slides on the second support, it is equipped with labeller on the module to slide, labeller constructs including setting up adjustment mechanism, the setting on the module that slides is in the first mechanism, the setting of inhaling of adjustment mechanism one end is in the second of the adjustment mechanism other end is inhaled mark mechanism and is set up adjustment mechanism is last and is located the mechanism is inhaled to the pressure mark between the mark mechanism to first mechanism and the second of inhaling.

2. The labeling device as claimed in claim 1, wherein the adjusting mechanism comprises a fixing plate disposed on the sliding module, an adjusting cylinder disposed on the fixing plate, an adjusting slide rail disposed on the fixing plate, and an adjusting slider adapted to the adjusting slide rail, and one end of the adjusting slider is connected to the adjusting cylinder.

3. The labeling device according to claim 2, wherein the first label absorbing mechanism comprises a connecting rod, an L-shaped fixed angle plate, a first limit nut, a first guide rod, a first compression spring, a limit bolt, a T-shaped connecting plate and a first suction cup, one end of the connecting rod is connected with one end of the fixed plate, the other end of the connecting rod is connected with a vertical plate of the L-shaped fixed angle plate, the upper end of the first guide rod penetrates through a horizontal plate of the L-shaped fixed angle plate and is connected with the first limit nut, a gasket and a first linear bearing are sequentially sleeved at the upper end of the first guide rod and positioned between the first limit nut and the horizontal plate from top to bottom, the lower end of the first guide rod is fixedly connected with a transverse plate of the T-shaped connecting plate, the first compression spring is sleeved in the middle of the first guide rod and positioned between the horizontal plate and the T-shaped connecting plate, the two ends of the transverse plate are provided with the limiting bolts, and the first suction disc is arranged on a vertical plate of the T-shaped connecting plate.

4. The labeling device according to claim 3, wherein the second label absorbing mechanism comprises an L-shaped bracket and a second suction cup, the vertical bracket of the L-shaped bracket is connected with the other end of the fixing plate, the second suction cup is arranged on the horizontal bracket of the L-shaped bracket, and the second suction cup is arranged opposite to the first suction cup.

5. The labeling device according to claim 2, wherein the label pressing mechanism comprises a sliding plate arranged on the adjusting slider, a sliding table cylinder arranged on the sliding plate, a T-shaped lifting plate connected with the sliding table cylinder and a second guide rod with an upper end passing through the T-shaped lifting plate and a second limit nut, the upper end of the second guide rod is positioned on the second limit nut and a second linear bearing is arranged between the T-shaped lifting plate, the lower end of the second guide rod is provided with a U-shaped connecting arm, the middle part of the second guide rod is positioned between the T-shaped lifting plate and the U-shaped connecting arm, a second compression spring is sleeved on the T-shaped lifting plate, and the open end of the U-shaped connecting arm is provided with a roller.

6. The labeling device of claim 2, wherein the sliding module comprises a first sliding mechanism disposed on the horizontal support plate of the second support, a second sliding mechanism mounted on the first sliding mechanism and disposed perpendicular to the first sliding mechanism, and a third sliding mechanism mounted on the second sliding mechanism and disposed perpendicular to the first sliding mechanism and the second sliding mechanism, respectively.

7. The labeling device according to claim 6, wherein the first sliding mechanism comprises a first slide rail disposed on the horizontal support plate, a first sliding cylinder disposed at the port of the horizontal support plate, and a first sliding block mounted on the first slide rail and connected to the first sliding cylinder, the first sliding block is provided with a first support plate perpendicular to the horizontal support plate, the second sliding mechanism comprises a second slide rail disposed on the first support plate, a second sliding cylinder disposed at the port of the first support plate, and a second sliding block mounted on the second slide rail and connected to the second sliding cylinder, the second sliding block is provided with a connecting plate perpendicular to the horizontal support plate and the first support plate, the connecting plate is provided with a second support plate, and the third sliding mechanism comprises a third slide rail disposed on the second support plate, The third sliding cylinder that sets up second backup pad port department and install on the third slide rail and with the third slider that the third sliding cylinder is connected, the fixed plate is installed on the third slider.

8. The labeling device according to claim 7, further comprising a visual inspection mechanism mounted on the other side of the connecting plate through a mounting plate, wherein the visual inspection mechanism is located directly above the conveying mechanism, the visual inspection mechanism comprises a CCD camera mounted on the upper end of the mounting plate, a light source mounted at the bottom end of the mounting plate, and a filter lens disposed between the CCD camera and the light source, and the centers of the CCD camera, the filter lens and the light source are located on the same straight line.

9. The labeling device according to claim 1, wherein the turnover mechanism comprises a lifting cylinder, a fixed connection plate, a third guide rod, a lifting angle plate and a rotary cylinder, the fixed connection plate is mounted on the first bracket, the upper end of the third guide rod penetrates through the fixed connection plate, a limit washer is arranged at the upper end of the third guide rod, a third linear bearing is sleeved between the limit washer and the fixed connection plate, the lower end of the third guide rod is connected with the lifting angle plate, the lifting cylinder is mounted on the fixed connection plate, a lead screw of the lifting cylinder penetrates through the fixed connection plate and is connected with the lifting angle plate, the rotary cylinder is arranged below the lifting angle plate, a rotary plate is arranged on the rotary cylinder, and a clamping mechanism is arranged on the rotary plate.

10. The labeling device of claim 9, wherein the clamping mechanism comprises a jaw cylinder and a jaw, the jaw cylinder is disposed on the rotating plate, and the jaw cylinder is connected to the jaw.