CN212606290U

CN212606290U - Counting device of packaging machine

Info

Publication number: CN212606290U
Application number: CN202020999437.1U
Authority: CN
Inventors: 李俊峰
Original assignee: Hefei Anjiete Optoelectronic Co ltd
Current assignee: Hefei Anjiete Optoelectronic Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-02-26
Anticipated expiration: 2030-06-03

Abstract

The utility model aims at providing a packagine machine's counting assembly that structural arrangement is reasonable and counting precision is high divides material unit discharge gate below to be provided with the hopper, and the camera lens of camera divides the blanking regional arrangement of treating the packing material of material unit discharge gate department towards, and the background board is located the opposite side of camera, and the imaging light path of camera and background board intersects with the blanking route of material. In the scheme, the blanking path of the materials is intersected with the imaging light path of the camera and the background plate, when the marinated eggs are thrown off and under the support of the background plate, the camera obtains image information of the marinated eggs, and when the information is transmitted to the processor, the processor accurately distinguishes the materials and counts.

Description

Counting device of packaging machine

Technical Field

The utility model relates to the technical field of packaging machinery, concretely relates to a packing machine's counting assembly for packing spiced egg.

Background

The marinated eggs are widely popular with consumers as leisure food. After the marinated eggs are prepared, the marinated eggs are vacuum-packed in plastic packaging bags for storage, and then the individual bagged marinated eggs are packaged into a packaging box for later transportation, wherein each 20 eggs are one portion. In the prior art, the spiced egg boxing work is performed manually, a worker holds the spiced eggs by hand and puts the spiced eggs into a packaging box, and counts the number of the spiced eggs held by the hand through the brain of the worker, so that the working efficiency is low, the description is omitted, and the counting error is inevitable; meanwhile, as the packaging bag is made of plastic materials, the periphery and the corners of the packaging bag are hard, and the risk of scratching operators exists.

In order to solve the problem, the applicant of the present invention filed an application named "packaging machine" on the same day, and completed the casing work of the marinated eggs automatically through the packaging machine, and collected the images of the record list through the camera for counting, and the counting principle of the camera is: the camera collects the color of the material, compares the shot color with the set color, counts if the shot color is the same as the set color, and does not count if the shot color is different from the set color; in order to accurately obtain the color and shape signals of the material and the interference of foreign objects on the camera, a background plate is usually required to be arranged in front of the camera, the difference between the background color and the color of the material is large, and thus when image information obtained by the camera is transmitted to a processor, the processor can accurately distinguish the material. However, the hopper is arranged at the discharge port of the material distribution unit of the packaging machine, and the material distribution unit and the hopper are both entities, so that the problem that how to avoid the entities to arrange the camera and the background plate is to be solved urgently is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a packagine machine's counting assembly that structural arrangement is reasonable and the counting precision is high.

In order to realize the purpose, the utility model discloses a technical scheme be: a hopper is arranged below a discharge port of a material distribution unit, a lens of a camera is arranged towards a blanking area of a material to be packaged at the discharge port of the material distribution unit, a background plate is positioned on the opposite side of the camera, and imaging light paths of the camera and the background plate are intersected with a blanking path of the material.

In the scheme, the blanking path of the materials is intersected with the imaging light path of the camera and the background plate, when the marinated eggs are thrown off and under the support of the background plate, the camera obtains image information of the marinated eggs, and when the information is transmitted to the processor, the processor accurately distinguishes the materials and counts.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2-4 are partially enlarged schematic views of fig. 1.

Detailed Description

Referring to fig. 1-4, a counting device of a packing machine, a hopper 31 is arranged below a discharge port of a material distribution unit 20, lenses of a camera 41 are arranged towards a blanking area of a material to be packed at the discharge port of the material distribution unit 20, a background plate 42 is arranged at the opposite side of the camera 41, and imaging light paths of the camera 41 and the background plate 42 intersect with a blanking path of the material. The camera 41 collects the color and shape signals of the marinated eggs, compares the shot color with the set color, counts if the shot color is the same as the set color, and does not count if the shot color is different from the set color; in order to accurately obtain the color, shape signal and interference of foreign objects on the camera, a background plate 42 is arranged on the opposite side of the camera 41, the difference between the background color and the color of the material is large, meanwhile, the blanking path of the material is intersected with the imaging light path of the camera 41 and the background plate 42, when the marinated eggs are thrown down, the camera 41 obtains the image information of the marinated eggs under the support of the background plate 42, and when the information is transmitted to the processor, the processor accurately distinguishes the material and counts the material.

Preferably, the background plate 42 is disposed on the frame 10 and located adjacent to the upper edge of the hopper 31, the frame 10 is further provided with a light-transmitting strip slit a, the length direction of the light-transmitting strip slit a is consistent with the length direction of the background plate 42, and the material falling path is located at the area between the background plate 42 and the light-transmitting strip slit a. The arrangement of the light-transmitting strip seam a ensures that an imaging light path formed by the camera 41 and the background plate 42 is smooth, the marinated eggs pass through the area between the background plate 42 and the light-transmitting strip seam a, the camera 41 can clearly shoot images of the marinated eggs, and the counting accuracy is improved.

The specific structure is as follows: the mounting plate 43 is arranged below the discharge port of the material distribution unit 20, the length direction of the mounting plate 43 is consistent with that of the background plate 42, the mounting plate 43 is in a U-shaped groove shape with a downward opening, the bottom of the groove is provided with a blanking port 431 corresponding to the discharge end of the material distribution unit 20, the light-transmitting strip seam a is arranged on the groove wall of the mounting plate 43 close to one side of the hopper 31, the other side of the mounting plate 43 extends to the position right below the material distribution unit 20, and the background plate 42 is fixed on the groove wall of the side. The marinated eggs fall from the discharge port of the distribution unit 20 and pass through the discharge port 431 of the mounting plate 43, the transparent slits a and the background plate 42 are respectively arranged at two sides of the discharge port 431, and when the marinated eggs fall, the camera 41 shoots the images of the marinated eggs through the transparent slits a.

In order to ensure the cleaning effect of the lens of the camera 41, the chassis 45 is arranged on the frame 10, the camera 41 and the light source are arranged in the chassis 45, and the side wall of the chassis 45 on the side where the lens of the camera 41 is located is made of transparent material, so that the camera 41 can acquire the image of the marinated egg. The camera 41 is arranged in the case 45, so that impurities can be effectively prevented from being attached to the lens of the camera 41, and the definition of pictures taken by the camera 41 is ensured.

Further, a hopper box 32 is arranged below the mounting plate 43, the hopper 31 is fixed in the hopper box 32, a feed inlet of the hopper 31 is positioned right below the blanking port 431, a discharge port of the hopper 31 is provided with a valve plate 33, and an electromagnetic valve 34 for controlling the opening and closing of the valve plate 33 is fixed on the outer wall of the hopper 31. When the electromagnetic valve 34 controls the valve plate 33 to be in a closed state, the hopper 31 receives materials, when the number of marinated eggs in the hopper 31 reaches a set value, the electromagnetic valve 34 controls the valve plate 33 to be opened, and the marinated eggs fall from the lower opening of the hopper 31, so that the number of the marinated eggs falling from the hopper 31 at each time is guaranteed to be the set value, and then the fallen marinated eggs are filled into a packaging box, and the number of the marinated eggs in each packaging box is guaranteed to be the set value.

For example, 20 marinated eggs are required to be contained in each packaging box, and a weighing sensor is arranged between the hopper 31 and the hopper box 32 in order to prevent counting errors of the camera 41. Because the weight of each marinated egg does not differ too much, and the total weight difference is large if one marinated egg or less marinated egg is added, the marinated eggs in the hopper 31 are weighed by the weighing sensor, the counting result of the camera 41 can be corrected, the two methods complement each other, and the accuracy of the marinated egg counting is improved.

Furthermore, there is not enough space above the hopper box 32 for installing the chassis 45, the two ends of the hopper box 32 are provided with cantilevers 44 protruding to the side far away from the material distributing unit 20, and the chassis 45 is arranged on the cantilevers 44, so that the layout is reasonable.

In order to improve the production efficiency of the whole packaging machine, a plurality of hoppers 31 are arranged in the hopper box 32 side by side, the arrangement direction of the hoppers 31 is consistent with the length direction of the background plates 42, and a plurality of groups of background plates 42 serving as the whole blanking port 431 are correspondingly arranged and are arranged in a straight line.

An enclosing barrier 46 is vertically arranged on the bottom of the mounting plate 43 at the periphery of the blanking port 431, the opening of the enclosing barrier 46 is arranged towards the discharge end of the material distributing unit 20, the upper end of the enclosing barrier 46 is higher than the bottom of the discharge end of the material distributing unit 20, a flange 461 is outwards arranged at the lower end of the enclosing barrier 46, and the flange 461 is fixedly connected with the mounting plate 43 through bolts. The marinated eggs discharged from the discharge port of the material distribution unit 20 have an initial speed, the initial speeds of the marinated eggs are different, on one hand, the marinated eggs discharged from the discharge port of the material distribution unit 20 are blocked by the enclosing block 46, the marinated eggs are guaranteed to fall from the falling port 431, and on the other hand, the occupied area of the whole packaging machine can be reduced.

Because the hoppers 31 are provided with a plurality of groups, and the arrangement directions of the hoppers 31 have a certain distance, in order to shoot the material dropping process corresponding to all the hoppers 31, the cameras 41 are uniformly arranged in the case 45 at intervals, and the arrangement directions are consistent with the arrangement directions of the hoppers 31.

Claims

1. A counting device of a packaging machine is characterized in that: a hopper (31) is arranged below the discharge port of the material distribution unit (20), a lens of a camera (41) is arranged towards the blanking area of the material to be packaged at the discharge port of the material distribution unit (20), a background plate (42) is positioned on the opposite side of the camera (41), and imaging light paths of the camera (41) and the background plate (42) are intersected with the blanking path of the material.

2. Counting device of a packaging machine according to claim 1, characterized in that: the background plate (42) is arranged on the rack (10) and is located close to the upper edge of the hopper (31) to be arranged, a light-transmitting strip seam (a) is further arranged on the rack (10), the length direction of the light-transmitting strip seam (a) is consistent with that of the background plate (42), and a material blanking path is arranged in the area between the background plate (42) and the light-transmitting strip seam (a).

3. Counting device of a packaging machine according to claim 2, characterized in that: the mounting plate (43) is arranged below the discharge hole of the material distribution unit (20), the length direction of the mounting plate (43) is consistent with that of the background plate (42), the mounting plate (43) is in a U-shaped groove shape with an opening arranged downwards, a blanking hole (431) corresponding to the discharge end of the material distribution unit (20) is formed in the bottom of the groove, the light-transmitting strip seam (a) is arranged on the groove wall of the mounting plate (43) close to one side of the hopper (31), the other side of the mounting plate (43) extends to the position right below the material distribution unit (20), and the background plate (42) is fixed on the groove wall of the side.

4. Counting device of a packaging machine according to claim 1, characterized in that: a case (45) is arranged on the rack (10), a camera (41) and a light source are arranged in the case (45), and the side wall of the case (45) on the side where the lens of the camera (41) is located is made of transparent materials.

5. Counting device of a packaging machine according to claim 3, characterized in that: a hopper box (32) is arranged below the mounting plate (43), the hopper (31) is fixed in the hopper box (32), a feed inlet of the hopper (31) is positioned right below the blanking port (431), a valve plate (33) is arranged at a discharge port of the hopper (31), and an electromagnetic valve (34) for controlling the opening and closing of the valve plate (33) is fixed on the outer wall of the hopper (31).

6. Counting device of a packaging machine according to claim 5, characterized in that: a weighing sensor is also arranged between the hopper (31) and the hopper box (32).

7. Counting device of a packaging machine according to claim 4, characterized in that: two ends of the hopper box (32) are provided with cantilevers (44) in a protruding mode towards one side far away from the material distributing unit (20), and the case (45) is arranged on the cantilevers (44).

8. Counting device of a packaging machine according to claim 7, characterized in that: the hopper (31) is arranged in the hopper box (32) side by side, the arrangement direction of the hopper (31) is consistent with the length direction of the background plate (42), and the blanking ports (431) are correspondingly provided with a plurality of groups and are arranged in a straight line.

9. Counting device of a packaging machine according to claim 8, characterized in that: an enclosing baffle (46) is vertically arranged on the bottom of the mounting plate (43) at the periphery of the blanking port (431), the opening of the enclosing baffle (46) faces the discharge end of the material distributing unit (20) and is higher than the bottom of the discharge end of the material distributing unit (20) at the upper end of the enclosing baffle (46), a flanging (461) is outwards arranged at the lower end of the enclosing baffle (46), and the flanging (461) is fixedly connected with the mounting plate (43) through bolts.

10. Counting device of a packaging machine according to claim 6, characterized in that: the cameras (41) are uniformly arranged in the case (45) at intervals of 3, and the arrangement direction of the cameras is consistent with that of the hoppers (31).