Automatic labeling machine for food packaging box

Abstract

The utility model provides an automatic labeling machine for a food packaging box, which relates to the technical field of labeling machines, and comprises a conveying belt, a first motor and lower mounting seats, the upper end face of the conveying belt is provided with first anti-slip bulges, the conveying belt conveys the food packaging box, and the left and right lower mounting seats are arranged on the lower side of the left side of the conveying belt. A first rotating shaft is mounted at the upper end of the first motor, a labeling plate is fixed to the upper end of the first rotating shaft, an alignment plate is arranged above the right end of the conveying belt, an infrared detector is arranged in the middle of the left side face of the alignment plate, and a side guide plate and a side mounting plate are arranged in the middle of the lower mounting base. According to the food packaging box labeling device, one side face of a food packaging box can be conveniently and rapidly attached by turning the labeling plate left and right, the label paper conveying direction is accurate, rapider and more stable, conveying is stable and neat in the food packaging box labeling process, the labeling neatness can be guaranteed, and the food packaging box labeling device is suitable for labeling food packaging boxes of different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of labeling machines, in particular to an automatic labeling machine for food packaging boxes. Background Art

[0002] Labeling on food packaging boxes has become an indispensable step in the processing of most companies. Currently, companies are transforming labeling on products from manual to mechanical automation.

[0003] In the manual of an automatic labeling machine for food packaging boxes in the prior art (publication number CN111806825A), it is mentioned that "a labeling wheel and a label collecting wheel located above the conveyor belt are provided on one side of the labeling machine body, two guide wheels are provided on one side of the labeling machine body, and the labeling wheel and the label collecting wheel cooperate with the two guide wheels, two guide plates are provided above the conveyor belt, the guide plates are inclined, a first limit plate is fixedly connected to one side of the guide plate, a first fixed plate is fixedly connected to one side of the labeling machine body, and the top of the guide plate is connected to the bottom of the first fixed plate by a first connecting column." However, the prior art uses a driving column to perform vertical downward labeling, which is not only easy to cause objects to be pressed down on the conveyor belt surface to a certain extent, but also the height of the labeled object cannot be too high, and the labeling is not flexible, fast and practical. Utility Model Content

[0004] In order to overcome the defects of the prior art, an automatic labeling machine for food packaging boxes is provided to solve the problem that the prior art uses a driving column to perform vertical downward labeling, which not only easily causes objects to be pressed down under the conveyor belt surface to a certain extent, but also the height of the labeled object cannot be too high, and the labeling is not flexible, fast and practical.

[0005] To achieve the above-mentioned purpose, an automatic labeling machine for food packaging boxes is provided, including a conveyor belt, a first motor and a lower mounting seat, the upper end surface of the conveyor belt is provided with a first anti-slip protrusion, and the conveyor belt conveys food packaging boxes, left and right lower mounting seats are provided on the left lower side of the conveyor belt, and a first motor is installed in front of the upper end surface of the lower mounting seat, and a first rotating shaft is installed on the upper end of the first motor, a labeling plate is fixed to the upper end of the first rotating shaft, and the labeling plate is a flip structure.

[0006] Furthermore, a driving roller is installed in the front part of the conveyor belt, and the first sprocket is installed on the left and right parts of the driving roller, and a driven roller is installed in the rear part of the conveyor belt, and the third sprocket is installed on the left and right parts of the driven roller, the outer ends of the driving roller and the driven roller are both sleeved in the support frame, and a fifth motor is installed under the conveyor belt, and the second sprocket is installed at the front end of the fifth motor, and the first chain is drivingly connected between the second sprocket and the first sprocket and the third sprocket on the same side.

[0007] Furthermore, an alignment plate is arranged above the right end of the conveyor belt, and an infrared detector is arranged in the middle of the left side of the alignment plate.

[0008] Furthermore, a side guide plate and a side mounting plate are provided in the middle of the lower mounting seat, and the side guide plate is located at the rear side of the side mounting plate, and a guide channel is opened in the middle of the side guide plate.

[0009] Furthermore, two groups of telescopic cylinders are installed on the side mounting plate, and a cutter is fixed at the front end of the telescopic cylinder.

[0010] Furthermore, a reel and a fourth motor are installed on the left side of the rear of the lower mounting seat, the upper part of the reel is wound with a label strip, the front end of the label strip is arranged through a guide channel, the lower part of the reel is installed with an eighth sprocket, and one end of the fourth motor is installed with a seventh sprocket, and a fourth chain is connected between the eighth sprocket and the seventh sprocket for transmission.

[0011] Furthermore, a first left guide roller, a second left guide roller, a third left guide roller, a fourth left guide roller and a third motor are arranged in the middle of the rear portion of the lower mounting seat, a fifth sprocket is installed at the bottom of the fourth left guide roller, and a sixth sprocket is installed at one end of the third motor, sprockets are installed at the bottom of the first left guide roller, the second left guide roller and the third left guide roller, and a third chain is transmission-connected between the sixth sprocket, the fifth sprocket and the sprockets installed at the bottom of the first left guide roller, the second left guide roller and the third left guide roller.

[0012] Furthermore, a first right guide roller, a second right guide roller, a third right guide roller and a second motor are arranged on the right side of the rear portion of the lower mounting seat, and a fourth sprocket is installed at the lower portion of the first right guide roller, a ninth sprocket is installed at one end of the second motor, and a group of sprockets are installed at the lower portions of the second right guide roller and the third right guide roller, and a second chain is transmission-connected between the fourth sprocket, the ninth sprocket and the sprockets installed under the second right guide roller and the third right guide roller, and at the same time, a second convex strip is arranged on the upper outer annular surface of the first right guide roller, the second right guide roller, the third right guide roller, the first left guide roller, the second left guide roller, the third left guide roller and the fourth left guide roller.

[0013] The beneficial effects of the utility model are:

[0014] 1. In the utility model, a first anti-skid protrusion is arranged on the conveyor belt surface of the conveyor belt, so that the conveying of food packaging boxes is safer and more stable to avoid slipping, and the arrangement of the alignment plate helps to accurately convey the food packaging boxes. When the infrared detector senses the box body, the labeling plate will promptly flip left 90 degrees for labeling, which is more convenient and saves trouble.

[0015] 2. The setting of the guide channel on the middle side guide plate of the utility model can facilitate the label strip to pass through it. When a label on the label strip is located at the front side of the labeling plate, the telescopic cylinder on the side mounting plate will extend and push out the cutter to quickly cut off the connection between the two labels.

[0016] 3. The fourth motor of the utility model rotates the seventh chain wheel counterclockwise, and drives the label strip to unwind outward through the transmission action of the fourth chain, so that the label strip is conveyed between the left guide roller and the right guide roller so as to be quickly guided forward.

[0017] 4. The utility model utilizes the third motor to rotate counterclockwise, and through the chain transmission action, drives the first left guide roller, the second left guide roller, the third left guide roller and the fourth left guide roller to rotate synchronously, and at the same time utilizes the second motor to rotate clockwise to drive the third right guide roller, the second right guide roller and the first right guide roller to rotate synchronously, and at the same time, the first right guide roller, the second right guide roller, the third right guide roller, the first left guide roller, the second left guide roller, the third left guide roller and the fourth left guide roller are all provided with second convex strips on the upper outer ring surfaces, so that the guide rollers on the left and right sides can more stably drive the middle label to be transported forward, and the transportation is faster and more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a top view schematic diagram of an embodiment of the utility model;

[0019] Figure 2 A schematic top view of a conveyor belt according to an embodiment of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure arrangement of the first motor in an embodiment of the utility model;

[0021] Figure 4 It is a schematic diagram of the lower end surface structure setting of the lower mounting seat according to an embodiment of the utility model.

[0022] In the figure: 1, conveyor belt; 10, first anti-slip protrusion; 11, alignment plate; 12, first sprocket; 13, active roller; 14, support frame; 15, fifth motor; 16, second sprocket; 17, first chain; 18, third sprocket; 19, driven roller; 100, infrared detector; 2, food packaging box; 3, first motor; 30, first rotating shaft; 31, labeling plate; 4, lower mounting seat; 40, first right guide roller; 41, fourth sprocket; 42, second chain; 43, second right guide roller; 44, third right guide roller ; 45. first left guide roller; 46. second left guide roller; 47. third left guide roller; 48. fourth left guide roller; 480. fifth sprocket; 49. unwinding roller; 490. eighth sprocket; 491. marking strip; 400. second convex strip; 5. second motor; 50. ninth sprocket; 6. third motor; 60. sixth sprocket; 61. third chain; 7. fourth motor; 70. seventh sprocket; 71. fourth chain; 8. side guide plate; 80. guide channel; 9. side mounting plate; 90. telescopic cylinder; 91. cutter. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is further described in detail in combination with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present disclosure.

[0024] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0025] Figure 1 A schematic top view of an embodiment of the utility model, Figure 2 A schematic top view of a conveyor belt according to an embodiment of the utility model; Figure 3 The first motor structure of the utility model embodiment is shown in FIG. Figure 4 It is a schematic diagram of the lower end surface structure setting of the lower mounting seat according to an embodiment of the utility model.

[0026] Reference Figures 1 to 4As shown, the utility model provides an automatic labeling machine for food packaging boxes, including a conveyor belt 1, a first motor 3 and a lower mounting seat 4, the upper end surface of the conveyor belt 1 is provided with a first anti-slip protrusion 10, and the conveyor belt 1 conveys food packaging boxes 2, the left and right lower mounting seats 4 are provided on the lower left side of the conveyor belt 1, and the first motor 3 is installed in front of the upper end surface of the lower mounting seat 4, and the upper end of the first motor 3 is installed with a first rotating shaft 30, the upper end of the first rotating shaft 30 is fixed with a labeling plate 31, and the labeling plate 31 is a flip structure.

[0027] In this embodiment, a driving roller 13 is installed in the front part of the conveyor belt 1, and the first sprocket 12 is installed on the left and right parts of the driving roller 13, and a driven roller 19 is installed in the rear part of the conveyor belt 1, and the third sprocket 18 is installed on the left and right parts of the driven roller 19, and a fifth motor 15 is installed below the conveyor belt 1, and a second sprocket 16 is installed at the front end of the fifth motor 15, and the second sprocket 16 is transmission-connected with the first sprocket 12 and the third sprocket 18 on the same side by a first chain 17; an alignment plate 11 is arranged above the right end of the conveyor belt 1, and an infrared detector 100 is arranged in the middle of the left side of the alignment plate 11.

[0028] As a preferred embodiment, the first anti-slip protrusion 10 is arranged on the conveyor belt surface of the conveyor belt 1 in the utility model, so that the conveyance of the food packaging box 2 is safer and more stable to avoid slipping, and the arrangement of the alignment plate 11 helps to accurately convey the food packaging box 2. When the infrared detector 100 senses the box body, the labeling plate will be promptly flipped to the left 90 degrees for labeling, which is more convenient and saves trouble.

[0029] In this embodiment, a side guide plate 8 and a side mounting plate 9 are provided in the middle of the lower mounting seat 4, and the side guide plate 8 is located on the rear side of the side mounting plate 9, and a guide channel 80 is opened in the middle of the side guide plate 8; two groups of telescopic cylinders 90 are installed on the side mounting plate 9, and a cutter 91 is fixed to the front end of the telescopic cylinder 90.

[0030] As a preferred embodiment, the setting of the guide channel 80 on the side guide plate 8 of the utility model can facilitate the passage of the label strip 491 therethrough. When a label on the label strip 491 is located exactly on the front side of the labeling plate, the telescopic cylinder 90 on the side mounting plate 9 will extend and push out the cutter 91 to quickly cut off the connection between the two labels.

[0031] In this embodiment, a reeling roller 49 and a fourth motor 7 are installed on the left side of the rear portion of the lower mounting seat 4, a label strip 491 is wound on the upper portion of the reeling roller 49, a front end of the label strip 491 is arranged through a guide channel 80, an eighth sprocket 490 is installed on the lower portion of the reeling roller 49, and a seventh sprocket 70 is installed on one end of the fourth motor 7, and a fourth chain 71 is transmission-connected between the eighth sprocket 490 and the seventh sprocket 70.

[0032] As a preferred embodiment, the fourth motor 7 of the utility model rotates the seventh sprocket wheel 70 counterclockwise, and drives the label strip 491 to unwind outward through the transmission action of the fourth chain 71, so that the label strip 491 is transported between the left guide roller and the right guide roller so as to be quickly guided forward.

[0033] In this embodiment, a first left guide roller 45, a second left guide roller 46, a third left guide roller 47, a fourth left guide roller 48 and a third motor 6 are arranged in the middle of the rear portion of the lower mounting seat 4, a fifth sprocket 480 is arranged at the lower portion of the fourth left guide roller 48, and a sixth sprocket 60 is arranged at one end of the third motor 6, sprockets are arranged at the lower portions of the first left guide roller 45, the second left guide roller 46 and the third left guide roller 47, and a third chain 61 is transmission-connected between the sixth sprocket 60, the fifth sprocket 480 and the sprockets arranged at the lower portions of the first left guide roller 45, the second left guide roller 46 and the third left guide roller 47; a first right guide roller 40, a second right guide roller 43, the third right guide roller 44 and the second motor 5, and the fourth sprocket 41 is installed at the lower part of the first right guide roller 40, and the ninth sprocket 50 is installed at one end of the second motor 5, and a group of sprockets are installed at the lower part of the second right guide roller 43 and the third right guide roller 44, and the second chain 42 is transmission connected between the fourth sprocket 41, the ninth sprocket 50 and the sprockets installed under the second right guide roller 43 and the third right guide roller 44, and at the same time, the first right guide roller 40, the second right guide roller 43, the third right guide roller 44, the first left guide roller 45, the second left guide roller 46, the third left guide roller 47 and the fourth left guide roller 48 are all provided with a second convex strip 400 on the upper outer ring surface.

[0034] As a preferred embodiment, the utility model utilizes the third motor 6 to rotate counterclockwise, and drives the first left guide roller 45, the second left guide roller 46, the third left guide roller 47 and the fourth left guide roller 48 to rotate synchronously through the chain transmission action, and at the same time utilizes the second motor 5 to rotate clockwise to drive the third right guide roller 44, the second right guide roller 43 and the first right guide roller 40 to rotate synchronously, and at the same time, the first right guide roller 40, the second right guide roller 43, the third right guide roller 44, the first left guide roller 45, the second left guide roller 46, the third left guide roller 47 and the fourth left guide roller 48 are all provided with a second convex strip 400 on the upper outer ring surface, so that the guide rollers on the left and right sides can more stably drive the middle label 491 to be transported forward, and the transportation is faster and more stable.

[0035] The utility model can effectively solve the problems of the prior art that the labeling method of vertically pressing down by a driving column is not only easy to cause objects to be depressed under the conveyor belt surface, but also the height of the labeled object cannot be too high, and the labeling is not flexible, fast and practical. The utility model is convenient for quickly attaching one side of the food packaging box by flipping the labeling plate left and right. The label paper conveying direction is accurate, faster and more stable. In addition, the conveying of the food packaging box during the labeling process is also stable and neat, which helps to ensure the neatness of the labeling and is suitable for labeling food packaging boxes of different sizes.

[0036] The above embodiments are used to explain the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.

Claims

1. An automatic labeling machine for food packaging boxes, characterized by: The invention comprises a conveyor belt (1), a first motor (3) and a lower mounting seat (4); the upper end surface of the conveyor belt (1) is provided with a first anti-slip protrusion (10), and a food packaging box (2) is conveyed on the conveyor belt (1); left and right lower mounting seats (4) are provided on the lower left side of the conveyor belt (1), and the first motor (3) is mounted on the front of the upper end surface of the lower mounting seat (4); the upper end of the first motor (3) is provided with a first rotating shaft (30), and the upper end of the first rotating shaft (30) is fixed with a labeling plate (31), and the labeling plate (31) is a flip structure.

2. The automatic food packaging box labeling machine according to claim 1, characterized in that: A driving roller (13) is installed in the front part of the conveyor belt (1), and the left and right parts of the driving roller (13) are both installed with a first sprocket wheel (12), and a driven roller (19) is installed in the rear part of the conveyor belt (1), and the left and right parts of the driven roller (19) are both installed with a third sprocket wheel (18), the outer ends of the driving roller (13) and the driven roller (19) are both sleeved in a support frame (14), and a fifth motor (15) is installed below the conveyor belt (1), and the front end of the fifth motor (15) is installed with a second sprocket wheel (16), and the second sprocket wheel (16) is transmission-connected to the first sprocket wheel (12) and the third sprocket wheel (18) on the same side by a first chain (17).

3. The automatic food packaging box labeling machine according to claim 1, characterized in that: An alignment plate (11) is arranged above the right end of the conveyor belt (1), and an infrared detector (100) is arranged in the middle of the left side of the alignment plate (11).

4. The automatic food packaging box labeling machine according to claim 1, characterized in that: A side guide plate (8) and a side mounting plate (9) are provided in the middle of the lower mounting seat (4), and the side guide plate (8) is located on the rear side of the side mounting plate (9), and a guide channel (80) is provided in the middle of the side guide plate (8).

5. The automatic food packaging box labeling machine according to claim 4, characterized in that: Two groups of telescopic cylinders (90) are installed on the side mounting plate (9), and a cutter (91) is fixed at the front end of the telescopic cylinder (90).

6. The automatic food packaging box labeling machine according to claim 1, characterized in that: A reel (49) and a fourth motor (7) are mounted on the left side of the rear portion of the lower mounting seat (4); a label strip (491) is wound on the upper portion of the reel (49); a front end of the label strip (491) is disposed through a guide channel (80); an eighth sprocket (490) is mounted on the lower portion of the reel (49); a seventh sprocket (70) is mounted on one end of the fourth motor (7); and a fourth chain (71) is transmission-connected between the eighth sprocket (490) and the seventh sprocket (70).

7. The automatic food packaging box labeling machine according to claim 1, characterized in that: A first left guide roller (45), a second left guide roller (46), a third left guide roller (47), a fourth left guide roller (48) and a third motor (6) are arranged in the middle of the rear portion of the lower mounting seat (4); a fifth chain wheel (480) is mounted on the lower portion of the fourth left guide roller (48); a sixth chain wheel (60) is mounted on one end of the third motor (6); chain wheels are mounted on the lower portions of the first left guide roller (45), the second left guide roller (46) and the third left guide roller (47); and a third chain (61) is connected in a transmission manner between the sixth chain wheel (60), the fifth chain wheel (480) and the chain wheels mounted on the lower portions of the first left guide roller (45), the second left guide roller (46) and the third left guide roller (47).

8. The automatic food packaging box labeling machine according to claim 1, characterized in that: A first right guide roller (40), a second right guide roller (43), a third right guide roller (44) and a second motor (5) are arranged on the right side of the rear portion of the lower mounting seat (4), and a fourth sprocket (41) is arranged at the bottom of the first right guide roller (40), a ninth sprocket (50) is arranged at one end of the second motor (5), and a group of sprockets are arranged at the bottom of the second right guide roller (43) and the third right guide roller (44), and a second chain (42) is connected in transmission between the fourth sprocket (41), the ninth sprocket (50) and the sprockets arranged under the second right guide roller (43) and the third right guide roller (44), and second convex strips (400) are arranged on the upper outer annular surfaces of the first right guide roller (40), the second right guide roller (43), the third right guide roller (44), the first left guide roller (45), the second left guide roller (46), the third left guide roller (47) and the fourth left guide roller (48).

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