CN113619897A

CN113619897A - Labeling machine

Info

Publication number: CN113619897A
Application number: CN202110955948.2A
Authority: CN
Inventors: 石施萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2021-11-09

Abstract

The invention discloses a labeling machine which structurally comprises a conveying mechanism, a traction mechanism, a control panel, a label covering mechanism and a stacking box, wherein a square bottle is placed on the conveying mechanism, label stripping is carried out through the traction mechanism, then the label is conveyed to the surface of a first brush from a label conveying device, when the square bottle passes through the first brush, a label is adsorbed on the surface of the square bottle, the label on the front surface and the label on the side surface of the square bottle are labeled through the first brush, when the square bottle reaches the position right below the label covering mechanism, a signal is sent out through an infrared sensor to enable a first pneumatic telescopic rod to stretch downwards and clamp the square bottle through a clamping plate, a label on the back of the square bottle is tightly adhered through a second brush, a motor rotates after the label is tightly adhered, the label on the surface of the square bottle is tightly adhered through repeated operation, and finally the square bottle is conveyed into the stacking box to be placed, so that the occupied area of equipment is small, and the working efficiency is effectively improved.

Description

Labeling machine

Technical Field

The invention relates to the technical field of packaging equipment, in particular to a labeling machine.

Background

The labeler is a device for sticking paper or metal foil labels on specified packaging containers by using an adhesive, and an automatic labeler realizes labeling of the labels through mechanical rotation and transmission of a mechanical device, so that the prior art is not comprehensive in consideration and has the following defects: the present labeller is used for cylinder surface to paste the mark and paste the mark with the plane mostly, will paste the mark for square bottle surface and need a plurality of mark equipment of installation or set up a plurality of equipment on the conveyer belt for equipment area grow is difficult for placing, and has increaseed the cost, and a plurality of equipment paste mark greatly reduced work efficiency, lead to output reduction.

Disclosure of Invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: the utility model provides a labeller, its structure includes conveying mechanism, drive mechanism, control panel, covers mark mechanism, windrow case, the drive mechanism front end is equipped with conveying mechanism, drive mechanism and conveying mechanism cooperate, the drive mechanism top right side is equipped with control panel on the surface, drive mechanism and control panel fixed connection, the conveying mechanism right side is equipped with covers mark mechanism, conveying mechanism with cover mark mechanism swing joint, the conveying mechanism right-hand member is equipped with the windrow case, conveying mechanism and windrow case are connected.

As a further optimization of this technical scheme, conveying mechanism comprises roller bearing, first motor, first supporting leg, limiting plate, support frame, extension plate, first brush, both ends all are equipped with two first supporting legs around the support frame, support frame and first supporting leg fixed connection, both ends all are equipped with the roller bearing about the support frame, support frame and roller bearing swing joint, the roller bearing rear end is located to first motor, first motor and roller bearing mechanical connection, both ends all are equipped with the limiting plate around the support frame, support frame and limiting plate fixed connection, both ends all are equipped with the extension plate around the support frame, support frame and extension plate swing joint, the extension plate top is equipped with first brush on the surface, extension plate and first brush adopt clearance fit.

As a further optimization of the technical scheme, the traction mechanism comprises a workbench, an air expansion shaft, a raw material roll, a waste material roll, a first rotating shaft, a first belt pulley, a second rotating shaft, a second belt pulley, a label feeding device, a second motor and a second supporting leg, wherein the left side of the top end of the workbench is provided with the two air expansion shafts, the workbench is movably connected with the air expansion shaft, the air expansion shaft and the air expansion shaft are respectively provided with the raw material roll and the waste material roll, the raw material roll and the waste material roll are in clearance fit with the air expansion shafts, the middle position of the top end of the workbench is provided with three first rotating shafts, the workbench is movably connected with the first rotating shafts, the surface of each first rotating shaft is provided with the first belt pulley, the first rotating shafts are fixedly connected with the first belt pulley, the surface of the top end of the workbench is provided with the second rotating shaft, the surface of the second rotating shaft is provided with the second belt pulley, the automatic label feeding device comprises a workbench, a first rotating shaft, a first belt pulley, a second rotating shaft, a label feeding device, a second motor, an air expansion shaft, a second motor, four first supporting legs and four second supporting legs, wherein the first rotating shaft is fixedly connected with the first belt pulley, the label feeding device is arranged on the right side of the top end of the workbench and movably connected with the label feeding device, the second motor is arranged on the surface of the bottom end of the air expansion shaft, the air expansion shaft is mechanically connected with the second motor, the four second supporting legs are distributed on the surface of the bottom end of the workbench at equal intervals, and the workbench is fixedly connected with the second supporting legs.

As further optimization of this technical scheme, send mark device to constitute by third pivot, third belt pulley, third motor, third pivot surface is equipped with the third belt pulley, third pivot and third belt pulley fixed connection, third pivot bottom is equipped with the third motor, third motor and third pivot mechanical connection.

As a further optimization of the technical scheme, the label covering mechanism comprises a fourth motor, an air cylinder, a support, a first pneumatic telescopic rod, a bottom plate, a clamping plate, a third supporting leg, a connecting rod, an infrared sensor, a profile connecting rod, a second pneumatic telescopic rod and a second hairbrush, wherein the fourth motor is arranged in the middle of the top surface of the support, the support is connected with the fourth motor, the first pneumatic telescopic rod is arranged in the middle of the bottom surface of the fourth motor, the fourth motor is mechanically connected with the first pneumatic telescopic rod, the air cylinder is arranged on the right side of the top end of the support, the support and the air cylinder are connected through threads, the bottom surface of the first pneumatic telescopic rod is provided with the bottom plate, the first pneumatic telescopic rod is fixedly connected with the bottom plate, the bottom surface of the bottom plate is provided with the two clamping plates, the bottom plate is in sliding fit with the clamping plates, and the front and back ends of the support are provided with the two third supporting legs, the utility model discloses a pneumatic telescopic handle of a tractor, including support and third supporting legs, connecting rod and third supporting legs fixed connection, be equipped with infrared sensor on the connecting rod top surface, connecting rod and infrared sensor swing joint, the type connecting rod is located between two third supporting legs of front end, connecting rod and third supporting legs fixed connection, the type connecting rod top is equipped with infrared sensor on the surface, connecting rod and infrared sensor swing joint, the type connecting rod is located between two third supporting legs of rear end, type connecting rod and third supporting legs fixed connection, type connecting rod front end is equipped with the pneumatic telescopic link of second on the surface, type connecting rod and the pneumatic telescopic link swing joint of second, the pneumatic telescopic link front end surface of second is equipped with the second brush, the pneumatic telescopic link of second and second brush cooperate.

As a further optimization of the technical scheme, the air cylinder, the first motor, the second motor, the third motor and the fourth motor are electrically connected with the control panel.

As a further optimization of the technical scheme, the support frame is movably connected with the workbench.

As a further optimization of the technical scheme, the rolling shaft is in transmission connection with the rolling shaft through a belt.

As a further optimization of the technical scheme, the raw material roll, the waste material roll, the first belt pulley, the second belt pulley and the third belt pulley are all in transmission connection through label base paper.

As the further optimization of the technical scheme, the control panel is installed on the right side of the top end of the workbench through the support column.

As a further optimization of the technical scheme, two third rotating shafts are arranged on the right side of the top end of the workbench and are movably connected with each other.

As a further optimization of the technical scheme, the third belt pulley is in transmission connection with the third belt pulley through a belt.

Advantageous effects

The invention relates to a labeling machine, which is characterized in that equipment is started through a control panel, square bottles are placed on a conveying belt on a conveying mechanism, a first motor converts electric energy into kinetic energy to drive a rolling shaft to rotate, so that the square bottles move, the positions of the square bottles are fixed through a limiting plate, a raw material roll and a waste material roll are respectively placed on two air expansion shafts to be fixed, a second motor converts the electric energy into the kinetic energy to drive the air expansion shafts to rotate, label base paper is driven to rotate through a first belt pulley and a second belt pulley by label base paper, when the label base paper passes through a second rotating shaft, the rotating angle rotates for about a certain degree, labels are separated from the label base paper without following the label base paper due to the fact that the rigidity of the labels is larger than the adhesive force between the labels, a third motor converts the electric energy into the kinetic energy to drive a third rotating shaft to rotate, so that the two third belt pulleys are driven through a belt, and the labels are conveyed to the surface of a first brush through a label conveying device, when the square bottle moves to the first brush, the label on the surface of the first brush is adsorbed on the square bottle, and then when the square bottle passes through the first brush, the first brush can stick the label on the side surface of the square bottle tightly, when square bottle removes to covering when mark mechanism is under, detect through infrared sensor, signals make the cylinder ventilate and promote first pneumatic telescopic link downwards to square bottle top, splint inwards that rethread pneumatics made bottom plate department move tightly the clamp of clamp and fix square bottle, later the outside second brush that promotes of second pneumatic telescopic link, make its label with the square bottle back paste tightly, the fourth motor turns into kinetic energy with the electric energy, it is rotatory to drive first pneumatic telescopic link, rethread second pneumatic telescopic link and second brush paste square bottle label all around tightly, later make splint outwards remove through the cylinder and loosen square bottle, make square bottle return conveying mechanism and continue to remove and stack in the windrow case.

Compared with the prior art, the invention has the beneficial effects that: put square bottle to conveying mechanism on, shell the mark through drive mechanism, carry to first brush surface from sending the mark device again, square bottle is during through first brush, the label can adsorb on its surface, mark through first brush to its front and the label of side, square bottle reachs when covering under the mark mechanism, through infrared sensor signals messenger's first pneumatic telescopic link is stretched out and drawn back downwards and is pressed from both sides tight square bottle through splint, the second brush can paste the label at its back tightly, it is rotatory to paste tight back motor, the repeated operation is with the label on its surface paste tightly, carry at last to place in the windrow case, equipment area is little and effectively promoted work efficiency.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic front view of a labeling machine according to the present invention.

Fig. 2 is a schematic top view of a labeling machine according to the present invention.

Fig. 3 is a front view of the conveying mechanism.

Fig. 4 is a schematic top view of the conveying mechanism.

Fig. 5 is a schematic top view of the traction mechanism.

Fig. 6 is a side view of the traction mechanism.

Fig. 7 is a schematic front view of the label covering mechanism.

FIG. 8 is a schematic side view of the label covering mechanism

In the figure: a conveying mechanism-1, a traction mechanism-2, a control panel-3, a label covering mechanism-4, a stacking box-5, a rolling shaft-1 a, a first motor-1 b, a first supporting leg-1 c, a limit plate-1 d, a support frame-1 e, an extension plate-1 f, a first brush-1 g, a workbench-2 a, an air expansion shaft-2 b, a raw material roll-2 c, a waste material roll-2 d, a first rotating shaft-2 e, a first belt pulley-2 f, a second rotating shaft-2 g, a second belt pulley-2 h, a label conveying device-2 i, a second motor-2 j, a second supporting leg-2 k, a third rotating shaft-2 i1, a third belt pulley-2 i2, a third motor-2 i3, a fourth motor-4 a, The device comprises a cylinder-4 b, a support-4 c, a first pneumatic telescopic rod-4 d, a bottom plate-4 e, a clamping plate-4 f, a third supporting leg-4 g, a connecting rod-4 h, an infrared sensor-4 i, an L-shaped connecting rod-4 j, a second pneumatic telescopic rod-4 k and a second brush-4L.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.

Examples

Referring to fig. 1-8, the present invention provides a labeling machine, which structurally comprises a conveying mechanism 1, a traction mechanism 2, a control panel 3, a label covering mechanism 4 and a stacking box 5, wherein the front end of the traction mechanism 2 is provided with the conveying mechanism 1, the traction mechanism 2 is matched with the conveying mechanism 1, the control panel 3 is arranged on the right side surface of the top end of the traction mechanism 2, the traction mechanism 2 is fixedly connected with the control panel 3, the right side of the conveying mechanism 1 is provided with the label covering mechanism 4, the conveying mechanism 1 is movably connected with the label covering mechanism 4, the right end of the conveying mechanism 1 is provided with the stacking box 5, and the conveying mechanism 1 is connected with the stacking box 5.

The conveying mechanism 1 comprises a roller 1a, a first motor 1b, a first supporting leg 1c, a limiting plate 1d, a supporting frame 1e, an extension plate 1f and a first hairbrush 1g, wherein the two first supporting legs 1c are arranged at the front end and the rear end of the supporting frame 1e respectively, the supporting frame 1e is fixedly connected with the first supporting leg 1c, the roller 1a is arranged at the left end and the right end of the supporting frame 1e respectively, the supporting frame 1e is movably connected with the roller 1a, the first motor 1b is arranged at the rear end of the roller 1a, the first motor 1b is mechanically connected with the roller 1a, the limiting plate 1d is arranged at the front end and the rear end of the supporting frame 1e respectively, the supporting frame 1e is fixedly connected with the limiting plate 1d, the extension plate 1f is arranged at the front end and the rear end of the supporting frame 1e respectively, the supporting frame 1e is movably connected with the extension plate 1f, the first hairbrush 1g is arranged on the top end surface of the extension plate 1f, the extension plate 1f and the first brush 1g are in clearance fit.

The traction mechanism 2 comprises a workbench 2a, an air expansion shaft 2b, a raw material roll 2c, a waste material roll 2d, a first rotating shaft 2e, a first belt pulley 2f, a second rotating shaft 2g, a second belt pulley 2h, a label feeding device 2i, a second motor 2j and a second supporting leg 2k, wherein the left side of the top end of the workbench 2a is provided with the two air expansion shafts 2b, the workbench 2a is movably connected with the air expansion shafts 2b, the air expansion shaft 2b and the air expansion shaft 2b are respectively provided with the raw material roll 2c and the waste material roll 2d, the raw material roll 2c and the waste material roll 2d are in clearance fit with the air expansion shafts 2b, the middle position of the top end of the workbench 2a is provided with the three first rotating shafts 2e, the workbench 2a is movably connected with the first rotating shafts 2e, the surface of the first rotating shaft 2e is provided with the first belt pulley 2f, and the first rotating shafts 2e are fixedly connected with the first belt pulley 2f, the utility model discloses a pneumatic label conveying device, including workstation 2a, workstation 2a and second pivot 2g swing joint, second pivot 2g surface is equipped with second belt pulley 2h, second pivot 2g and second belt pulley 2h fixed connection, workstation 2a top right side is equipped with and send mark device 2i, workstation 2a and send mark device 2i swing joint, inflatable shaft 2b bottom surface is equipped with second motor 2j, inflatable shaft 2b and second motor 2j mechanical connection, workstation 2a bottom surface equidistance distributes and is equipped with four second supporting legs 2k, workstation 2a and second supporting legs 2k fixed connection.

Send mark device 2i by third pivot 2i1, third belt pulley 2i2, third motor 2i3 and constitute, third pivot 2i1 surface is equipped with third belt pulley 2i2, third pivot 2i1 and third belt pulley 2i2 fixed connection, third pivot 2i1 bottom is equipped with third motor 2i3, third motor 2i3 and third pivot 2i1 mechanical connection.

The label covering mechanism 4 comprises a fourth motor 4a, a cylinder 4b, a support 4c, a first pneumatic telescopic rod 4d, a bottom plate 4e, a clamping plate 4f, a third supporting leg 4g, a connecting rod 4h, an infrared sensor 4i, an L-shaped connecting rod 4j, a second pneumatic telescopic rod 4k and a second brush 4L, wherein the fourth motor 4a is arranged in the middle of the top end surface of the support 4c, the support 4c is connected with the fourth motor 4a, the first pneumatic telescopic rod 4d is arranged in the middle of the bottom end surface of the fourth motor 4a, the fourth motor 4a is mechanically connected with the first pneumatic telescopic rod 4d, the cylinder 4b is arranged on the right side of the top end of the support 4c, the support 4c is connected with the cylinder 4b through threads, the bottom end surface of the first pneumatic telescopic rod 4d is provided with the bottom plate 4e, and the first pneumatic telescopic rod 4d is fixedly connected with the bottom plate 4e, the bottom surface of the bottom plate 4e is provided with two clamping plates 4f, the bottom plate 4e is in sliding fit with the clamping plates 4f, the front end and the rear end of the support 4c are respectively provided with two third supporting legs 4g, the support 4c is fixedly connected with the third supporting legs 4g, the connecting rod 4h is arranged between the two third supporting legs 4g at the front end, the connecting rod 4h is fixedly connected with the third supporting legs 4g, the top surface of the connecting rod 4h is provided with an infrared sensor 4i, the connecting rod 4h is movably connected with the infrared sensor 4i, the L-shaped connecting rod 4j is arranged between the two third supporting legs 4g at the rear end, the L-shaped connecting rod 4j is fixedly connected with the third supporting legs 4g, the front surface of the L-shaped connecting rod 4j is provided with a second pneumatic telescopic rod 4k, and the L-shaped connecting rod 4j is movably connected with the second pneumatic telescopic rod 4k, the front end surface of the second pneumatic telescopic rod 4k is provided with a second brush 4l, and the second pneumatic telescopic rod 4k is matched with the second brush 4 l.

The cylinder 4b, the first motor 1b, the second motor 2j, the third motor 2i3 and the fourth motor 4a are all electrically connected with the control panel 3, the supporting frame 1e is movably connected with the workbench 2a, the rolling shaft 1a is in transmission connection with the rolling shaft 1a through a belt, the raw material coil 2c, the waste material coil 2d, the first belt pulley 2f, the second belt pulley 2h and the third belt pulley 2i2 are all in transmission connection through label base paper, the control panel 3 is arranged on the right side of the top end of the workbench 2a through a support column, the rolling shaft 1a and the rolling shaft 1a are in transmission connection through a belt, two third rotating shafts 2i1 are arranged on the right side of the top end of the workbench 2a, the workbench 2a is movably connected with the third rotating shafts 2i1, the third belt pulley 2i2 and the third belt pulley 2i2 are in belt transmission connection.

The principle of the invention is as follows: the device is started through the control panel 3, square bottles are placed on the conveying belt on the conveying mechanism 1, the first motor 1b converts electric energy into kinetic energy to drive the rolling shaft 1a to rotate, the square bottles move, the positions of the square bottles are fixed through the limiting plate 1d, the raw material roll 2c and the waste material roll 2d are respectively placed on the two air expansion shafts 2b to be fixed, the second motor 2j converts the electric energy into the kinetic energy to drive the air expansion shafts 2b to rotate, label base paper is transmitted with the first belt pulley 2f and the second belt pulley 2h, when the label base paper passes through the second rotating shaft 2g, the rotating angle rotates by about 172 degrees, the label is separated from the label base paper due to the fact that the rigidity of the label is larger than the adhesive force between the label and the label, the label base paper is not followed, the third motor 2i3 converts the electric energy into the kinetic energy to drive the third rotating shaft 2i1 to rotate, and the two third belt pulleys 2i2 are driven through the belt, the label is conveyed to the surface of a first brush 1g through a label conveying device 2i, when a square bottle moves to the first brush 1g, the label on the surface of the first brush 1g is adsorbed on the square bottle, then when the square bottle passes through the first brush 1g, the first brush 1g can tightly adhere the label on the side surface of the square bottle, when the square bottle moves to the position right below a label covering mechanism 4, the infrared sensor 4i detects the label, a signal is sent out to ensure that a cylinder 4b is ventilated to push a first pneumatic telescopic rod 4d downwards to the top of the square bottle, then a clamping plate 4f at a bottom plate 4e moves inwards through air pressure to clamp and fix the square bottle, then a second pneumatic telescopic rod 4k pushes a second brush 4l outwards to tightly adhere the label on the back surface of the square bottle, a fourth motor 4a converts electric energy into kinetic energy to drive the first pneumatic telescopic rod 4d to rotate, and then the second pneumatic telescopic rod 4k and the second brush 4l tightly adhere the label around the square bottle, then the clamping plate 4f is moved outwards by the air cylinder 4b to release the square bottles, so that the square bottles are returned to the conveying mechanism 1 to be continuously moved to the stacking box 5 for stacking.

The method for solving the problems comprises the following steps: put square bottle to conveying mechanism 1 on, shell the mark through drive mechanism 2, carry to first brush 1g surface from sending mark device 2i again, square bottle is when first brush 1g, the label can adsorb on its surface, label through first brush 1g to its front and the label of side, square bottle reachs when covering mark mechanism 4 under, send signal through infrared sensor 4i and make first pneumatic telescopic link 4d stretch out and draw back downwards and press from both sides tight square bottle through splint 4f, second brush 4l can paste the label at its back tightly, the motor is rotatory after pasting tightly, the label on its surface is pasted tightly to the repetitive operation, carry to the stacker 5 at last and place in, equipment area is little and has effectively promoted work efficiency.

While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a labeller, its structure includes conveying mechanism (1), drive mechanism (2), control panel (3), covers mark mechanism (4), stacker (5), its characterized in that: the automatic labeling machine is characterized in that the front end of the traction mechanism (2) is provided with a conveying mechanism (1), the surface of the right side of the top end of the traction mechanism (2) is provided with a control panel (3), the right side of the conveying mechanism (1) is provided with a labeling mechanism (4), and the right end of the conveying mechanism (1) is provided with a stacking box (5).

2. A labelling machine according to claim 1, characterised in that: conveying mechanism (1) comprises roller bearing (1a), first motor (1b), first supporting leg (1c), limiting plate (1d), support frame (1e), extension plate (1f), first brush (1g), both ends all are equipped with two first supporting legs (1c) around support frame (1e), both ends all are equipped with roller bearing (1a) about support frame (1e), roller bearing (1a) rear end is located in first motor (1b), both ends all are equipped with limiting plate (1d) around support frame (1e), both ends all are equipped with extension plate (1f) around support frame (1e), extension plate (1f) top is equipped with first brush (1g) on the surface.

3. A labelling machine according to claim 1, characterised in that: the traction mechanism (2) comprises a workbench (2a), an air expansion shaft (2b), a raw material roll (2c), a waste material roll (2d), a first rotating shaft (2e), a first belt pulley (2f), a second rotating shaft (2g), a second belt pulley (2h), a label feeding device (2i), a second motor (2j) and a second supporting leg (2k), wherein the left side of the top end of the workbench (2a) is provided with the two air expansion shafts (2b), the air expansion shafts (2b) and the air expansion shafts (2b) are respectively provided with the raw material roll (2c) and the waste material roll (2d), the middle position of the top end of the workbench (2a) is provided with the three first rotating shafts (2e), the surface of the first rotating shaft (2e) is provided with the first belt pulley (2f), the surface of the top end of the workbench (2a) is provided with the second rotating shaft (2g), and the surface of the second rotating shaft (2g) is provided with the second belt pulley (2h), the automatic label feeding device is characterized in that a label feeding device (2i) is arranged on the right side of the top end of the workbench (2a), a second motor (2j) is arranged on the bottom end surface of the inflatable shaft (2b), and four second supporting legs (2k) are distributed on the bottom end surface of the workbench (2a) at equal intervals.

4. A labelling machine according to claim 3, characterised in that: send mark device (2i) and constitute by third pivot (2i1), third belt pulley (2i2), third motor (2i3), third pivot (2i1) surface is equipped with third belt pulley (2i2), third pivot (2i1) bottom is equipped with third motor (2i 3).

5. A labelling machine according to claim 1, characterised in that: the label covering mechanism (4) consists of a fourth motor (4a), a cylinder (4b), a support (4c), a first pneumatic telescopic rod (4d), a bottom plate (4e), clamping plates (4f), third supporting legs (4g), a connecting rod (4h), an infrared sensor (4i), an L-shaped connecting rod (4j), a second pneumatic telescopic rod (4k) and a second hairbrush (4L), wherein the fourth motor (4a) is arranged in the middle of the top end surface of the support (4c), the first pneumatic telescopic rod (4d) is arranged in the middle of the bottom end surface of the fourth motor (4a), the cylinder (4b) is arranged on the right side of the top end of the support (4c), the bottom end surface of the first pneumatic telescopic rod (4d) is provided with the bottom plate (4e), the bottom end surface of the bottom plate (4e) is provided with the two clamping plates (4f), the front and rear ends of the support (4c) are provided with the two third supporting legs (4g), connecting rod (4h) are located between two third supporting legss of front end (4g), be equipped with infrared sensor (4i) on connecting rod (4h) top surface, L type connecting rod (4j) are located between two third supporting legss of rear end (4g), L type connecting rod (4j) front end is equipped with second pneumatic telescopic link (4k) on the surface, second pneumatic telescopic link (4k) front end surface is equipped with second brush (4L).