External labeling device for plastic bucket

Abstract

The utility model relates to the technical field of labeling equipment, in particular to an external labeling device for a plastic bucket, which is used for automatically labeling the plastic bucket and reducing the labor intensity of workers by arranging a label feeding device, a moving device and a labeling device, and is used for integrally rolling a label and improving the labeling quality by arranging a label pressing device. Comprising a body; the automatic labeling machine comprises a machine body and further comprises a label feeding device, a moving device, a labeling device, a label pressing device and a conveying device, the label feeding device, the moving device and the conveying device are all installed on the machine body, the labeling device is installed on the moving device, and the label pressing device is installed on the labeling device; the machine body supports and places plastic buckets, the label feeding device provides labels for the labeling device, the moving device drives the labeling device and the label pressing device to move, the labeling device conveys the labels, the label pressing device presses the labels to the plastic buckets, and the conveying device limits and conveys the plastic buckets.

Description

Technical Field

[0001] The utility model relates to the technical field of labeling equipment, in particular to a plastic barrel outer labeling device. Background Art

[0002] Plastic barrels are mostly made of polyethylene, polypropylene and other plastics through blow molding and injection molding. They are used as outer packaging for liquid and solid items in the chemical, pesticide, pharmaceutical, food, hardware and electronics, electromechanical and other industries. In order to improve the recognition of plastic barrels, they need to be labeled before leaving the factory.

[0003] For example, in the prior art represented by the Chinese utility model patent with authorization announcement number CN217261257U, a plastic barrel labeling device, its main structure includes a limit plate, a rotating shaft, a toggle plate and a push block. The limit plate is used to place the plastic barrel, the rotating shaft transports the label, the toggle plate automatically peels off the label, and the push block presses the label onto the plastic barrel.

[0004] However, the existing technical equipment still has the following problems when in use: workers need to manually operate the labeling shaft to label before labeling, which has high labor intensity for workers, and the existing labeling device is not convenient for rolling the label as a whole during labeling, resulting in poor labeling quality. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a plastic barrel external labeling device which automatically labels plastic barrels by setting a label feeding device, a moving device and a labeling device, thereby reducing the labor intensity of workers, and by setting a label pressing device, the label is rolled as a whole to improve the labeling quality.

[0006] The utility model discloses a plastic barrel external labeling device, comprising a body; further comprising a label feeding device, a moving device, a labeling device, a label pressing device and a conveying device, wherein the label feeding device, the moving device and the conveying device are all mounted on the body, the labeling device is mounted on the moving device, and the label pressing device is mounted on the labeling device; the body provides support and places the plastic barrel, the label feeding device provides labels to the labeling device, the moving device drives the labeling device and the label pressing device to move, the labeling device transports the labels, the label pressing device presses the labels onto the plastic barrel, and the conveying device limits and conveys the plastic barrel.

[0007] Preferably, the fuselage includes a bottom plate, bracket one, bracket two, a plastic barrel, bracket three and bracket four, bracket one and bracket three are both installed on the top of bracket one, a transmission groove is provided on the top of bracket three, bracket two is installed on the top of bracket one, a mounting groove is provided at the front end of bracket two, the plastic barrel is placed on the top of bracket two, and bracket four is installed on the top of bracket three; support is provided, and bracket two is used to place the plastic barrel.

[0008] Preferably, the label delivery device includes a bracket five, a motor one, a reducer one, two sprockets, a chain, two rotating shafts and a conveyor belt. The bracket five is installed on the side end of the bracket three, the motor one is installed on the bracket five, the reducer one is fixedly installed on the top of the motor one, the two sprockets are both rotatably installed on the bottom end of the bracket four, one sprocket is rotatably connected to the reducer one, the motor one provides power to the sprocket connected to it through the reducer one, the chain passes through the transmission groove of the bracket three and is installed on the two sprockets, the two rotating shafts are both rotatably installed on the top end of the bracket four, and the two rotating shafts pass through the bracket four and are fixedly connected to the two sprockets respectively, and the conveyor belt is wound on the two rotating shafts; the motor one provides power, and the power is transmitted through the reducer one, the sprocket and the chain to drive the rotating shaft to rotate, and the rotation of the rotating shaft drives the conveyor belt to move, and the movement of the conveyor belt transports the labels.

[0009] Preferably, the moving device includes motor 2, reducer 2, gear, bracket 6, bracket 7, bracket 8, ring gear, multiple light bars 1, cylinder 1, bracket 9 and bracket 10. Motor 2, bracket 6 and bracket 7 are all fixedly mounted on the top of the base plate, reducer 2 is fixedly mounted on the top of motor 2, the gear is rotatably mounted on the top of reducer 2, and motor 2 provides power to the gear through reducer 2, bracket 8 is rotatably mounted on the top of bracket 7, and bracket 8 is rotatably mounted in the mounting groove of bracket 2, the ring gear is fixedly mounted on the bottom end of bracket 8, and the gear and the ring gear are meshed, multiple light bars 1 and cylinder 1 are all fixedly mounted on the top of bracket 8, bracket 9 is slidably mounted on multiple light bars 1, bracket 9 is mounted on the top of cylinder 1, and bracket 10 is mounted on the top of multiple light bars 1; motor 2 provides power, and the power is transmitted through reducer 2, gear and ring gear to drive bracket 8 to rotate, and cylinder 1 provides power to drive bracket 9 to move up and down.

[0010] Preferably, the labeling device includes two brackets 11, a bracket 12, a cylinder 2, multiple optical bars 2, a bracket 13, two brackets 14 and two vacuum suction cups. The two brackets 11 are both installed at the rear end of the bracket 9, the bracket 12 is fixedly installed at the top of the two brackets 11, the bracket 12 is provided with a mounting hole and multiple through holes, the cylinder 2 is installed at the front end of the mounting hole, the multiple optical bars 2 are respectively slidably installed in the multiple through holes, the bracket 13 is installed at the rear end of the cylinder 2 and the multiple optical bars 2, the two brackets 14 are both installed at the bottom end of the bracket 13, and the two vacuum suction cups are respectively installed at the rear end of the two brackets 14; the cylinder 2 provides power to drive the two vacuum suction cups to reciprocate along the optical bar 2, and the vacuum suction cups can generate suction when squeezed, and can absorb labels for transportation.

[0011] Preferably, the label pressing device includes a bracket fifteen, a bracket sixteen, two brackets seventeen, a cylinder three, a bracket eighteen, a roller, a boss, a bracket nineteen, a slider, two cylinders four and two brackets twenty, the bracket fifteen is fixedly mounted on the bottom end of the bracket thirteen, the bracket sixteen is rotatably mounted on the bottom end of the bracket fifteen, the two brackets seventeen are fixedly mounted on the bottom end of the bracket sixteen, the cylinder three is fixedly mounted on the two brackets seventeen, the bracket eighteen is mounted on the rear end of the cylinder three, the roller is rotatably mounted on the rear end of the bracket eighteen, the boss is rotatably mounted on the top of the bracket sixteen, the bracket nineteen is fixedly mounted on the rear end of the bracket thirteen, the slider is slidably mounted on the rear end of the bracket nineteen, the rear end of the slider is provided with two clamping blocks adapted to the size of the boss, the two cylinders four are symmetrically mounted on the rear end of the bracket nineteen, the two brackets twenty are respectively mounted on the two cylinders four, and the two brackets twenty are respectively in contact with the two clamping blocks of the slider; the cylinder three provides power to drive the roller to move back and forth, the cylinder four provides power to drive the roller to swing left and right, and the cylinders three and four cooperate to drive the roller to roll the label to firmly stick the label.

[0012] Preferably, the conveying device includes two groups of brackets 21, two synchronous conveyor belts and two limit frames, the two groups of brackets 21 are respectively installed on the left and right ends of bracket 2, the two synchronous conveyor belts are respectively installed on the two groups of brackets 21, and the two limit frames are respectively installed on the top of the two groups of brackets 21, and the limit frames and the plastic barrels are kept in contact; the synchronous conveyor belts transport the plastic barrels, and the limit frames limit the plastic barrels.

[0013] Compared with the prior art, the present invention has the following beneficial effects: it can automatically label plastic barrels, with less labor intensity for workers; and it can roll the labels as a whole, with higher labeling quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an axonometric structural diagram of the present utility model;

[0015] Figure 2 It is a schematic diagram of the axonometric structure of the fuselage;

[0016] Figure 3 It is an axonometric structural diagram of the label delivery device;

[0017] Figure 4 It is an axonometric structural diagram of the mobile device;

[0018] Figure 5 It is an axonometric structural diagram of the labeling device and the label pressing device;

[0019] Figure 6 It is an axonometric structural diagram of the labeling device and the label pressing device;

[0020] Figure 7 It is an axonometric structural diagram of the conveying device.

[0021] Markings in the attached drawings: 01, fuselage; 11, bottom plate; 12, bracket 1; 13, bracket 2; 14, plastic barrel; 15, bracket 3; 16, bracket 4; 02, label feeding device; 21, bracket 5; 22, motor 1; 23, reducer 1; 24, sprocket; 25, chain; 26, rotating shaft; 27, label feeding belt; 03, moving device; 31, motor 2; 32, reducer 2; 33, gear; 34, bracket 6; 35, bracket 7; 36, bracket 8; 37, gear ring; 38, optical bar 1; 39, cylinder 1; 40, bracket 9; 71 , bracket ten; 04, labeling device; 41, bracket eleven; 42, bracket twelve; 43, cylinder two; 44, light bar two; 45, bracket thirteen; 46, bracket fourteen; 47, vacuum suction cup; 05, labeling device; 51, bracket fifteen; 52, bracket sixteen; 53, bracket seventeen; 54, cylinder three; 55, bracket eighteen; 56, roller; 57, boss; 58, bracket nineteen; 59, slider; 60, cylinder four; 72, bracket twenty; 06, conveying device; 61, bracket twenty-one; 62, synchronous conveyor belt; 63, limit frame. DETAILED DESCRIPTION

[0022] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0023] Example 1

[0024] like Figure 1 As shown, it includes a body 01; it also includes a label feeding device 02, a moving device 03, a labeling device 04, a label pressing device 05 and a conveying device 06. The label feeding device 02, the moving device 03 and the conveying device 06 are all installed on the body 01, the labeling device 04 is installed on the moving device 03, and the label pressing device 05 is installed on the labeling device 04; the body 01 provides support and places the plastic barrel, the label feeding device 02 provides labels to the labeling device 04, the moving device 03 drives the labeling device 04 and the label pressing device 05 to move, the labeling device 04 transports the labels, the label pressing device 05 presses the labels onto the plastic barrel, and the conveying device 06 limits and transports the plastic barrel;

[0025] like Figure 2As shown, the fuselage 01 includes a bottom plate 11, a bracket 12, a bracket 2 13, a plastic bucket 14, a bracket 3 15 and a bracket 4 16. The bracket 12 and the bracket 3 15 are both mounted on the top of the bracket 12. The top of the bracket 3 15 is provided with a transmission groove. The bracket 2 13 is mounted on the top of the bracket 12. The front end of the bracket 2 13 is provided with a mounting groove. The plastic bucket 14 is placed on the top of the bracket 2 13. The bracket 4 16 is mounted on the top of the bracket 3 15.

[0026] like Figure 3 As shown, the label delivery device 02 includes a bracket five 21, a motor one 22, a reducer one 23, two sprockets 24, a chain 25, two rotating shafts 26 and a conveyor belt 27. The bracket five 21 is mounted on the side end of the bracket three 15, the motor one 22 is mounted on the bracket five 21, the reducer one 23 is fixedly mounted on the top of the motor one 22, the two sprockets 24 are both rotatably mounted on the bottom end of the bracket four 16, one sprocket 24 is rotatably connected to the reducer one 23, the motor one 22 provides power to the sprocket 24 connected thereto through the reducer one 23, the chain 25 passes through the transmission groove of the bracket three 15 and is mounted on the two sprockets 24, the two rotating shafts 26 are both rotatably mounted on the top end of the bracket four 16, and the two rotating shafts 26 pass through the bracket four 16 and are fixedly connected to the two sprockets 24, and the conveyor belt 27 is wound on the two rotating shafts 26;

[0027] like Figure 4 As shown, the mobile device 03 includes a motor 2 31, a reducer 2 32, a gear 33, a bracket 6 34, a bracket 7 35, a bracket 8 36, a gear ring 37, a plurality of light bars 1 38, a cylinder 1 39, a bracket 9 40 and a bracket 10 71. The motor 2 31, the bracket 6 34 and the bracket 7 35 are all fixedly mounted on the top of the bottom plate 11, the reducer 2 32 is fixedly mounted on the top of the motor 2 31, the gear 33 is rotatably mounted on the top of the reducer 2 32, and the motor 2 31 is driven by the reducer 2 32 to move the gears. The wheel 33 provides power, the bracket 8 36 is rotatably mounted on the top of the bracket 7 35, and the bracket 8 36 is rotatably mounted in the mounting groove of the bracket 2 13, the ring gear 37 is fixedly mounted on the bottom of the bracket 8 36, and the gears 33 and the ring gear 37 are engaged with each other, multiple optical bars 1 38 and cylinder 1 39 are fixedly mounted on the top of the bracket 8 36, the bracket 9 40 is slidably mounted on the multiple optical bars 1 38, the bracket 9 40 is mounted on the top of the cylinder 1 39, and the bracket 10 71 is mounted on the top of the multiple optical bars 1 38;

[0028] like Figure 5 and Figure 6As shown, the labeling device 04 includes two brackets 11 41, a bracket 12 42, a cylinder 2 43, a plurality of light bars 2 44, a bracket 13 45, two brackets 14 46 and two vacuum suction cups 47. The two brackets 11 41 are both mounted on the rear end of the bracket 9 40, the bracket 12 42 is fixedly mounted on the top of the two brackets 11 41, the bracket 12 42 is provided with a mounting hole and a plurality of through holes, the cylinder 2 43 is mounted on the front end of the mounting hole, the plurality of light bars 2 44 are respectively slidably mounted in the plurality of through holes, the bracket 13 45 is mounted on the rear end of the cylinder 2 43 and the plurality of light bars 2 44, the two brackets 14 46 are both mounted on the bottom end of the bracket 13 45, and the two vacuum suction cups 47 are respectively mounted on the rear end of the two brackets 14 46;

[0029] like Figure 5 and Figure 6 As shown, the pressure marking device 05 includes a bracket 15 51, a bracket 16 52, two brackets 17 53, a cylinder 3 54, a bracket 18 55, a roller 56, a boss 57, a bracket 19 58, a slider 59, two cylinders 4 60 and two brackets 20 72. The bracket 15 51 is fixedly mounted on the bottom end of the bracket 13 45, the bracket 16 52 is rotatably mounted on the bottom end of the bracket 15 51, the two brackets 17 53 are both fixedly mounted on the bottom end of the bracket 16 52, the cylinder 3 54 is fixedly mounted on the two brackets 17 53, the bracket 18 55 It is mounted on the rear end of cylinder three 54, roller shaft 56 is rotatably mounted on the rear end of bracket eighteen 55, boss 57 is rotatably mounted on the top of bracket sixteen 52, bracket nineteen 58 is fixedly mounted on the rear end of bracket thirteen 45, slider 59 is slidably mounted on the rear end of bracket nineteen 58, and two clamping blocks matching the size of boss 57 are provided on the rear end of slider 59. Two cylinders four 60 are symmetrically mounted on the rear end of bracket nineteen 58, and two brackets twenty 72 are respectively mounted on the two cylinders four 60, and the two brackets twenty 72 are respectively in contact with the two clamping blocks of slider 59;

[0030] First, place the plastic barrel 14 on the top of the bracket 2 13, then wind the conveyor belt 27 on the rotating shaft 26, then turn on the motor 1 22, the motor 1 22 provides power, the power is transmitted through the reducer 1 23, the sprocket 24 and the chain 25, driving the rotating shaft 26 to rotate, the rotation of the rotating shaft 26 drives the conveyor belt 27 to move, and the conveyor belt 27 moves to transport the labels, then turn on the motor 2 31, the cylinder 1 39 and the cylinder 2 43, the motor 2 31 provides power, the power is transmitted through the reducer 2 32, the gear 33 and the gear ring 37, driving the bracket 8 36 to rotate, the cylinder 1 39 provides power, driving the bracket 9 40 to move up and down, and the cylinder 2 43 provides power to drive two vacuum suction cups 47 to reciprocate along light bar 2 44. Motor 2 31, cylinder 1 39 and cylinder 2 43 cooperate to drive the vacuum suction cups 47 to squeeze the label position on the conveyor belt 27. The vacuum suction cups 47 can generate suction when squeezed, suck the label for transportation, and then the vacuum suction cups 47 make the label adhere to the surface of the plastic barrel. Then open cylinder 3 54 and cylinder 4 60, cylinder 3 54 provides power to drive the roller 56 to move back and forth, cylinder 4 60 provides power to drive the roller 56 to swing left and right, and cylinder 3 54 and cylinder 4 60 cooperate to drive the roller 56 to roll the label to stick it firmly.

[0031] Example 2

[0032] On the basis of Example 1, the following further aspects are included:

[0033] like Figure 7 As shown, the conveying device 06 includes two sets of brackets 21 61, two synchronous conveyor belts 62 and two limiting frames 63. The two sets of brackets 21 61 are respectively installed on the left and right ends of the bracket 2 13, the two synchronous conveyor belts 62 are respectively installed on the two sets of brackets 21 61, and the two limiting frames 63 are respectively installed on the top of the two sets of brackets 21 61, and the limiting frames 63 are kept in contact with the plastic barrel 14.

[0034] First, turn on the synchronous conveyor 62, which transports the plastic barrel 14, and the limit frame 63 limits the plastic barrel 14. Then, the conveyor belt 27 is wound on the rotating shaft 26, and then the motor 1 22 is turned on. The motor 1 22 provides power, which is transmitted through the reducer 1 23, the sprocket 24 and the chain 25 to drive the rotating shaft 26 to rotate. The rotation of the rotating shaft 26 drives the conveyor belt 27 to move, and the conveyor belt 27 moves to transport the label. Then turn on the motor 2 31, the cylinder 1 39 and the cylinder 2 43. The motor 2 31 provides power, which is transmitted through the reducer 2 32, the gear 33 and the gear ring 37 to drive the bracket 8 36 to rotate. The cylinder 1 39 provides power to drive the rotating shaft 26. The movable bracket 9 40 moves up and down, and the cylinder 2 43 provides power to drive the two vacuum suction cups 47 to reciprocate along the light bar 2 44. The motor 2 31, the cylinder 1 39 and the cylinder 2 43 cooperate to drive the vacuum suction cup 47 to squeeze the label position on the conveyor belt 27. The vacuum suction cup 47 can generate suction when squeezed, and absorb the label for transportation. After that, the vacuum suction cup 47 makes the label adhere to the surface of the plastic barrel, and then open the cylinder 3 54 and the cylinder 4 60. The cylinder 3 54 provides power to drive the roller 56 to move back and forth, and the cylinder 4 60 provides power to drive the roller 56 to swing left and right. The cylinder 3 54 and the cylinder 4 60 cooperate to drive the roller 56 to roll the label to stick it firmly.

[0035] like Figures 1 to 7 As shown, the utility model is a plastic barrel external labeling device. When it is working, the synchronous conveyor belt 62 is first turned on, the synchronous conveyor belt 62 transports the plastic barrel 14, the limit frame 63 limits the plastic barrel 14, and then the conveyor belt 27 is wound on the rotating shaft 26. Then the motor 1 22 is turned on, the motor 1 22 provides power, and the power is transmitted through the reducer 1 23, the sprocket 24 and the chain 25 to drive the rotating shaft 26 to rotate. The rotation of the rotating shaft 26 drives the conveyor belt 27 to move, and the conveyor belt 27 moves to transport the label. Then the motor 2 31, the cylinder 1 39 and the cylinder 2 43 are turned on, the motor 2 31 provides power, and the power is transmitted through the reducer 2 32, the gear 33 and the ring gear 37 to drive the bracket 8 36 to rotate. The cylinder 1 39 provides power to drive the bracket 9 40 to move up and down. The cylinder 2 43 provides power to drive the two vacuum suction cups 47 to reciprocate along the light bar 2 44. The motor 2 31, the cylinder 1 39 and the cylinder 2 43 cooperate to drive the vacuum suction cup 47 to squeeze the label position on the conveyor belt 27. The vacuum suction cup 47 can generate suction when squeezed, sucking the label for transportation. After that, the vacuum suction cup 47 makes the label adhere to the surface of the plastic barrel. Then open the cylinder 3 54 and the cylinder 4 60. The cylinder 3 54 provides power to drive the roller 56 to move back and forth. The cylinder 4 60 provides power to drive the roller 56 to swing left and right. The cylinder 3 54 and the cylinder 4 60 cooperate to drive the roller 56 to roll the label to stick it firmly.

[0036] The plastic barrel 14, motor 1 22, two sprockets 24, chain 25, conveyor belt 27, motor 2 31, gear 33, gear ring 37, cylinder 1 39, cylinder 2 43, two vacuum suction cups 47, cylinder 3 54, two cylinder 4 60 and two synchronous conveyor belts 62 of the utility model are purchased on the market. Technicians in this industry only need to install and operate them according to the accompanying instruction manual, and there is no need for technical personnel in this field to make creative labor.

[0037] The main functions achieved by the present invention are: by providing a label feeding device 02, a moving device 03 and a labeling device 04, plastic barrels are automatically labeled, thereby reducing the labor intensity of workers; and by providing a label pressing device 05, the labels are rolled as a whole, thereby improving the labeling quality; it solves the existing technical problems that workers need to manually operate the labeling shaft to label before labeling, which has high labor intensity for workers, and the existing labeling device is inconvenient to roll the labels as a whole during labeling, resulting in poor labeling quality.

[0038] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A plastic barrel outer labeling device, comprising a body (01); characterized in that: The invention also includes a label feeding device (02), a moving device (03), a labeling device (04), a label pressing device (05) and a conveying device (06). The label feeding device (02), the moving device (03) and the conveying device (06) are all installed on the machine body (01), the labeling device (04) is installed on the moving device (03), and the label pressing device (05) is installed on the labeling device (04); the machine body (01) provides support and places the plastic barrel, the label feeding device (02) provides labels to the labeling device (04), the moving device (03) drives the labeling device (04) and the label pressing device (05) to move, the labeling device (04) transports the labels, the label pressing device (05) presses the labels onto the plastic barrel, and the conveying device (06) limits and conveys the plastic barrel.

2. A plastic barrel labeling device according to claim 1, characterized in that: The body (01) includes a bottom plate (11), a bracket 1 (12), a bracket 2 (13), a plastic barrel (14), a bracket 3 (15) and a bracket 4 (16). The bracket 1 (12) and the bracket 3 (15) are both installed on the top of the bracket 1 (12). The top of the bracket 3 (15) is provided with a transmission groove. The bracket 2 (13) is installed on the top of the bracket 1 (12). The front end of the bracket 2 (13) is provided with a mounting groove. The plastic barrel (14) is placed on the top of the bracket 2 (13). The bracket 4 (16) is installed on the top of the bracket 3 (15).

3. A plastic barrel labeling device as claimed in claim 2, characterized in that: The label delivery device (02) comprises a bracket five (21), a motor one (22), a reducer one (23), two sprockets (24), a chain (25), two rotating shafts (26) and a conveyor belt (27), wherein the bracket five (21) is mounted on the side end of the bracket three (15), the motor one (22) is mounted on the bracket five (21), the reducer one (23) is fixedly mounted on the top end of the motor one (22), the two sprockets (24) are both rotatably mounted on the bottom end of the bracket four (16), and a sprocket (2 4) is rotatably connected to the reducer 1 (23), the motor 1 (22) provides power to the sprocket (24) connected thereto through the reducer 1 (23), the chain (25) passes through the transmission groove of the bracket 3 (15) and is installed on the two sprockets (24), the two rotating shafts (26) are both rotatably installed on the top of the bracket 4 (16), and the two rotating shafts (26) respectively pass through the bracket 4 (16) and the two sprockets (24) and are fixedly connected, and the conveyor belt (27) is wound on the two rotating shafts (26).

4. A plastic barrel labeling device as claimed in claim 2, characterized in that: The moving device (03) comprises a second motor (31), a second reducer (32), a gear (33), a sixth bracket (34), a seventh bracket (35), an eighth bracket (36), a gear ring (37), a plurality of first light bars (38), a first cylinder (39), a ninth bracket (40) and a tenth bracket (71), wherein the second motor (31), the sixth bracket (34) and the seventh bracket (35) are all fixedly mounted on the top of the bottom plate (11), the second reducer (32) is fixedly mounted on the top of the second motor (31), the gear (33) is rotatably mounted on the top of the second reducer (32), and the second motor (31) is driven by the second reducer (32) ) provides power to the gear (33), the bracket eight (36) is rotatably mounted on the top of the bracket seven (35), and the bracket eight (36) is rotatably mounted in the mounting groove of the bracket two (13), the ring gear (37) is fixedly mounted on the bottom of the bracket eight (36), and the gear (33) and the ring gear (37) are engaged with each other, a plurality of light bars (38) and a cylinder (39) are fixedly mounted on the top of the bracket eight (36), the bracket nine (40) is slidably mounted on the plurality of light bars (38), the bracket nine (40) is mounted on the top of the cylinder (39), and the bracket ten (71) is mounted on the top of the plurality of light bars (38).

5. A plastic barrel labeling device as claimed in claim 4, characterized in that: The labeling device (04) comprises two brackets eleven (41), a bracket twelve (42), a cylinder two (43), a plurality of light bars two (44), a bracket thirteen (45), two brackets fourteen (46) and two vacuum suction cups (47), the two brackets eleven (41) are both mounted on the rear end of the bracket nine (40), the bracket twelve (42) is fixedly mounted on the top end of the two brackets eleven (41), the bracket twelve (42) is provided with a mounting hole and a plurality of through holes, the cylinder two (43) is mounted on the front end of the mounting hole, the plurality of light bars two (44) are respectively slidably mounted in the plurality of through holes, the bracket thirteen (45) is mounted on the rear end of the cylinder two (43) and the plurality of light bars two (44), the two brackets fourteen (46) are both mounted on the bottom end of the bracket thirteen (45), and the two vacuum suction cups (47) are respectively mounted on the rear end of the two brackets fourteen (46).

6. A plastic barrel labeling device as claimed in claim 5, characterized in that: The pressure marking device (05) comprises a bracket fifteen (51), a bracket sixteen (52), two bracket seventeen (53), a cylinder three (54), a bracket eighteen (55), a roller (56), a boss (57), a bracket nineteen (58), a slider (59), two cylinder fours (60) and two bracket twentys (72), wherein the bracket fifteen (51) is fixedly mounted on the bottom end of the bracket thirteen (45), the bracket sixteen (52) is rotatably mounted on the bottom end of the bracket fifteen (51), the two bracket seventeens (53) are both fixedly mounted on the bottom end of the bracket sixteen (52), the cylinder three (54) is fixedly mounted on the two bracket seventeens (53), the bracket eighteen (5 5) is installed at the rear end of cylinder three (54), the roller shaft (56) is rotatably installed at the rear end of bracket eighteen (55), the boss (57) is rotatably installed at the top of bracket sixteen (52), the bracket nineteen (58) is fixedly installed at the rear end of bracket thirteen (45), the slider (59) is slidably installed at the rear end of bracket nineteen (58), and the rear end of the slider (59) is provided with two clamping blocks that are adapted to the size of the boss (57), two cylinders four (60) are symmetrically installed at the rear end of bracket nineteen (58), two brackets twenty (72) are respectively installed on the two cylinders four (60), and the two brackets twenty (72) are respectively in contact with the two clamping blocks of the slider (59).

7. The plastic barrel labeling device according to claim 2, characterized in that: The conveying device (06) includes two groups of brackets twenty-one (61), two synchronous conveyor belts (62) and two limiting frames (63). The two groups of brackets twenty-one (61) are respectively installed at the left and right ends of bracket two (13), the two synchronous conveyor belts (62) are respectively installed on the two groups of brackets twenty-one (61), and the two limiting frames (63) are respectively installed at the top ends of the two groups of brackets twenty-one (61), and the limiting frames (63) and the plastic barrel (14) are kept in contact.

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