Pill detecting and sorting device

Abstract

Detection and sorting are carried out on the basis of the material box, conveying equipment, sorting equipment and the like do not need to be arranged outside the material box, and the occupied space is small; each ejection mechanism corresponds to one pill, so that all the pills are detected and sorted in a relatively unified state, and higher detection and sorting precision is achieved; the sorting mechanism can be controlled to be in three states through the electromagnet, the pills can be sorted on site through the movement and position matching relation between the sorting mechanism and the two door-shaped rods, namely, sorting is directly completed in the process that the ejecting mechanism descends to take off the next batch of pills, and it is almost not needed to waste extra time for sorting operation, so that the sorting efficiency is greatly improved. And compared with the existing sorting hand section, the efficiency is higher.

Description

Technical Field

[0001] The invention relates to the technical field of pharmaceutical manufacturing, and in particular to a pill detection and sorting device. Background Art

[0002] After the pills are produced, they may have surface defects due to wear and tear during machine processing or transportation. At the same time, the uneven composition of raw materials or control errors of process parameters may also cause color differences in the pills. Therefore, after the pills are produced, they will be inspected and sorted for appearance.

[0003] Currently, tablet inspection and sorting are usually done manually or by machine vision based on conveyor belt conveyors. However, the former is difficult to avoid inspection or sorting errors due to worker fatigue, and efficiency and accuracy are difficult to guarantee; the latter requires a larger equipment layout space due to the use of conveyor equipment, and is usually more suitable for tablets and less compatible with pills.

[0004] Therefore, those skilled in the art are committed to developing a pill detection and sorting device that can detect and sort pills with high efficiency and high precision and takes up less space. Summary of the invention

[0005] In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is to provide a pill detection and sorting device which can detect and sort pills with high efficiency and high precision and occupies less space.

[0006] To achieve the above-mentioned purpose, the present invention provides a pill detection and sorting device, comprising a material storage mechanism, a material lifting mechanism, a sorting mechanism, a lifting mechanism, and a detection camera arranged above the material storage mechanism;

[0007] The storage mechanism comprises a material box for storing pills, a plurality of chutes are evenly distributed on the top of the material box along the left and right directions, and the chutes are alternately arranged as good product chutes and defective product chutes along the left and right directions;

[0008] The material ejection mechanism comprises a lift column that passes through the bottom plate of the material box and can be lifted and lowered. Two door-shaped rods are symmetrically arranged on the top of the lift column along the front-back direction. The tops of the two door-shaped rods are concave so as to be suitable for supporting a pill together through the two door-shaped rods. There are several material ejection mechanisms, which are arranged in a matrix in the gaps between the chutes.

[0009] The sorting mechanism is multiple and corresponds to the ejecting mechanism one by one, including a vertical plate arranged on the side wall of the chute, the top of the vertical plate is connected with an upper plate and a lower plate in an eight-shaped shape through a torsion spring hinge shaft; an electromagnet is arranged on the vertical plate, and a permanent magnet is arranged on the lower plate in cooperation with the electromagnet; by controlling the presence or absence of current and the direction of current of the electromagnet, the upper plate or the lower plate can be selectively extended into, or not extended into, between the two door-shaped rods;

[0010] The lifting mechanism is used to drive the lifting mechanism to move up and down.

[0011] The working principle of the present invention is as follows: when in use, pills are fed into the material box, and the lifting column is driven by the lifting mechanism to descend to the lowest point and then rise. Since the two door-shaped rods on the top of each lifting column are suitable for supporting a pill together through the two door-shaped rods, the lifting mechanism finally lifts a pill to the highest point to accept visual inspection by the upper detection camera, and determines whether the corresponding pill is a good product or a defective product;

[0012] During the lifting process, the electromagnet is not energized, and the upper and lower plates are not extended between the two door-shaped rods under the action of the torsion spring, so they will not interfere with the pills that are rising;

[0013] After the test result is judged, the ejector mechanism is controlled to descend, and the pills are sorted into the good product chute on the left or the defective product chute on the right during the descent process;

[0014] When the pills are good, the electromagnet is energized and attracts the permanent magnet, the upper plate swings rightward and extends between the two gate-shaped rods, pushes the descending pills down and guides them to the left to fall into the good chute;

[0015] When the pills are defective, the electromagnet is energized and repels the permanent magnet, and the lower plate swings rightward and extends between the two gate-shaped rods, pushing the descending pills down and guiding them to the right to fall into the defective chute;

[0016] At this point, one round of detection and sorting is completed, and the above steps are repeated.

[0017] Furthermore, the top of the front side wall of the material box is provided with a plurality of discharge ports corresponding to the chute, and the chute is inclined toward the corresponding discharge ports. The above arrangement makes it easier to discharge the pills in the chute.

[0018] Furthermore, the discharge ports of the good product chute and the defective product chute are respectively arranged on the front side wall and the rear side wall of the material box. The above arrangement independently arranges the discharge ports of good products and defective products in different directions, which can facilitate the arrangement of respective collection boxes or discharge mechanisms.

[0019] Furthermore, when the electromagnet is not energized, the end faces of the upper and lower plates are in a vertical plane. The above arrangement helps the upper and lower plates to avoid the rising of pills, and can also extend more between the two gate-shaped rods to more stably select the descending pills.

[0020] Furthermore, the upper end surface of the vertical plate is inclined, and its inclination angle is consistent with the inclination angle of the upper shifting plate in the shifting state. The above arrangement can guide the pills more stably and prevent the pills from jumping.

[0021] Furthermore, the lifting mechanism includes a cylinder fixed to the outside of the side wall of the material box, the telescopic end of the cylinder is downward and fixedly connected to a lifting plate, and the bottom of the lifting column is fixed to the upper surface of the lifting plate.

[0022] Furthermore, a plurality of limit rods are fixedly extended downward from the bottom of the material box, and the lifting plate can slide up and down along the limit rods.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] The present invention performs detection and sorting based on a material box, and does not need to set up conveying, sorting and other equipment outside the material box, so it occupies less space; each ejecting mechanism corresponds to a pill, so that all pills are detected and sorted in a relatively uniform state, and have higher detection and sorting accuracy; the sorting mechanism can be controlled to present three states by an electromagnet, and the movement and position coordination relationship between the electromagnet and the two door-shaped rods can sort the pills on the spot, that is, the sorting is directly completed in the process of the ejecting mechanism descending to take out a batch of pills, and there is almost no need to waste extra time for sorting operations, which is more efficient than existing sorting methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 yes Figure 1 A magnified image of point A;

[0027] Figure 3 yes Figure 2 Middle partial enlarged picture;

[0028] Figure 4 It is a schematic diagram of the sorting mechanism during the pill rising process;

[0029] Figure 5 It is a schematic diagram of the first sorting state of the sorting mechanism;

[0030] Figure 6 It is a schematic diagram of the second sorting state of the sorting mechanism.

[0031] Reference numerals: 1, material storage mechanism; 11, material box; 12, good product chute; 13, material outlet; 14, defective product chute; 2, material ejection mechanism; 21, lifting column; 22, door-type rod;

[0032] 3. Sorting mechanism; 31. Vertical plate; 32. Torsion spring hinge shaft; 33. Upper plate; 34. Lower plate; 35. Electromagnet; 36. Permanent magnet;

[0033] 4. Lifting mechanism; 41. Lifting plate; 42. Cylinder; 43. Limit rod. DETAILED DESCRIPTION

[0034] The following describes several preferred embodiments of the present invention with reference to the drawings in the specification, so that the technical content is clearer and easier to understand. The present invention can be embodied in many different forms of embodiments, and the protection scope of the present invention is not limited to the embodiments mentioned in the text.

[0035] In the drawings, components with the same structure are indicated by the same numerical reference numerals, and components with similar structures or functions are indicated by similar numerical reference numerals. The size and thickness of each component shown in the drawings are arbitrarily shown, and the present invention does not limit the size and thickness of each component. In order to make the illustration clearer, the thickness of the components is appropriately exaggerated in some places in the drawings.

[0036] refer to Figure 1-Figure 6 The pill detection and sorting device of the present invention comprises a material storage mechanism 1, a material lifting mechanism 2, a sorting mechanism 3, a lifting mechanism 4, and a detection camera arranged above the material storage mechanism 1;

[0037] The storage mechanism 1 comprises a material box 11 for storing pills, and a plurality of chutes are evenly distributed on the top of the material box 11 along the left and right directions, and the chutes are alternately arranged as good product chutes 12 and defective product chutes 14 along the left and right directions;

[0038] The material ejection mechanism 2 comprises a lift column 21 which passes through the bottom plate of the material box 11 and can be lifted and lowered. Two door-shaped rods 22 are symmetrically arranged on the top of the lift column 21 along the front-back direction. The tops of the two door-shaped rods 22 are concave so as to be suitable for supporting a pill together through the two door-shaped rods 22. There are several material ejection mechanisms 2, which are arranged in a matrix in the gaps between the chutes.

[0039] The sorting mechanism 3 is a plurality of and corresponds to the ejecting mechanism 2 one by one, including a vertical plate 31 arranged on the side wall of the chute, and the top of the vertical plate 31 is connected to an upper plate 33 and a lower plate 34 in an eight-shaped shape through a torsion spring hinge shaft 32; an electromagnet 35 is arranged on the vertical plate 31, and a permanent magnet 36 is arranged on the lower plate 34 in cooperation with the electromagnet 35; by controlling the presence or absence of current and the direction of current of the electromagnet 35, the upper plate 33 or the lower plate 34 can be selectively extended into, or not extended into, between the two door-shaped rods 22;

[0040] The lifting mechanism 4 is used to drive the lifting mechanism 2 to move up and down.

[0041] The working principle of the present invention is as follows: when in use, pills are fed into the material box 11, and the lifting mechanism 4 drives the lifting column 21 to descend to the lowest point and then rise. Since the two door-shaped rods 22 at the top of each lifting column 21 are suitable for supporting a pill together through the two door-shaped rods 22, the lifting mechanism 2 finally lifts a pill to the highest point to accept visual inspection by the upper detection camera, and determines whether the corresponding pill is a good product or a defective product;

[0042] See also Figure 4 During the lifting process, the electromagnet 35 is not energized, and the upper and lower plates 33 and 34 are not extended between the two door-shaped rods 22 under the action of the torsion spring, so they will not interfere with the rising pills;

[0043] After the test result is judged, the ejecting mechanism 2 is controlled to descend, and the pills will be sorted into the good product chute 12 on the left or the defective product chute 14 on the right during the descent process;

[0044] See also Figure 5 When the pills are good, the electromagnet 35 is energized and attracts the permanent magnet 36, and the upper plate 33 swings rightward and extends between the two gate-shaped rods 22, pushing the pills that are descending down and guiding them to the left side to fall into the good product chute 12;

[0045] See also Figure 6 When the pills are defective, the electromagnet 35 is energized and repels the permanent magnet 36, and the lower plate 34 swings rightward and extends between the two gate-shaped rods 22, pushing the descending pills down and guiding them to the right side to fall into the defective chute 14;

[0046] At this point, one round of detection and sorting is completed, and the above steps are repeated.

[0047] Furthermore, the top of the front side wall of the material box 11 is provided with a plurality of discharge ports 13 corresponding to the chutes, and the chutes 14 are inclined toward the corresponding discharge ports 13. The above arrangement makes it easier to discharge the pills in the chutes.

[0048] Furthermore, the discharge ports 13 of the good product chute 12 and the bad product chute 14 are respectively arranged on the front side wall and the rear side wall of the material box 11. The above arrangement sets the discharge ports of good products and bad products independently in different directions, which can facilitate the arrangement of respective collection boxes or discharge mechanisms.

[0049] Furthermore, when the electromagnet 35 is not energized, the end surfaces of the upper plate 33 and the lower plate 34 are located in a vertical plane. Figure 4-Figure 6 Through the above arrangement, the upper and lower plates 33 and 34 can better avoid the rising of pills, and can also extend more between the two door-shaped rods 22 to more stably transfer the descending pills.

[0050] Furthermore, the upper end surface of the vertical plate 31 is inclined, and its inclination angle is consistent with the inclination angle of the upper shifting plate 33 in the shifting state. The above arrangement can guide the pills more stably and prevent the pills from jumping.

[0051] Furthermore, the lifting mechanism 4 includes a cylinder 42 fixed to the outside of the side wall of the material box 11 , the telescopic end of the cylinder 42 is downward and fixedly connected to a lifting plate 41 , and the bottom of the lifting column 21 is fixed to the upper surface of the lifting plate 41 .

[0052] Furthermore, a plurality of limit rods 43 are fixedly extended downward from the bottom of the material box 11 , and the lifting plate 41 can slide up and down along the limit rods 43 .

[0053] The preferred specific embodiments of the present invention are described in detail above. It should be understood that ordinary technicians in the field can make many modifications and changes based on the concept of the present invention without creative work. Therefore, all technical solutions that can be obtained by technicians in the technical field based on the concept of the present invention through logical analysis, reasoning or limited experiments on the basis of the prior art should be within the scope of protection determined by the claims.

Claims

1. A pill detection and sorting device, characterized in that: It comprises a material storage mechanism (1), a material lifting mechanism (2), a sorting mechanism (3), a lifting mechanism (4), and a detection camera arranged above the material storage mechanism (1); The material storage mechanism (1) comprises a material box (11) for storing pills, a plurality of chutes are evenly distributed on the top of the material box (11) along the left and right directions, and the chutes are alternately arranged as good product chutes (12) and defective product chutes (14) along the left and right directions; The material ejection mechanism (2) comprises a lift column (21) which penetrates the bottom plate of the material box (11) and can be lifted and lowered. Two door-shaped rods (22) are symmetrically arranged on the top of the lift column (21) along the front-back direction. The tops of the two door-shaped rods (22) are concave so as to be suitable for supporting a pill together through the two door-shaped rods (22). There are a plurality of the material ejection mechanisms (2), which are arranged in a matrix in the gaps between the chutes. The sorting mechanism (3) is a plurality of and corresponds to the ejecting mechanism (2) one by one, and comprises a vertical plate (31) arranged on the side wall of the chute, the top of the vertical plate (31) is connected to an upper plate (33) and a lower plate (34) in an eight-shaped shape through a torsion spring hinge shaft (32); an electromagnet (35) is arranged on the vertical plate (31), and a permanent magnet (36) is arranged on the lower plate (34) in cooperation with the electromagnet (35); by controlling the presence or absence of current and the direction of current in the electromagnet (35), the upper plate (33) or the lower plate (34) can be selectively extended into, or not extended into, between the two door-shaped rods (22); The lifting mechanism (4) is used to drive the lifting mechanism (2) to move upward and downward.

2. The pill detection and sorting device according to claim 1, characterized in that: A plurality of discharge ports (13) are arranged on the top of the front side wall of the material box (11) in one-to-one correspondence with the chutes, and the chutes (14) are arranged to be inclined toward the corresponding discharge ports (13).

3. The pill detection and sorting device according to claim 2, characterized in that: The discharge ports (13) of the good product chute (12) and the defective product chute (14) are respectively arranged on the front side wall and the rear side wall of the material box (11).

4. The pill detection and sorting device according to claim 1, characterized in that: When the electromagnet (35) is not energized, the end surfaces of the upper shift plate (33) and the lower shift plate (34) are located in a vertical plane.

5. The pill detection and sorting device according to claim 1, characterized in that: The upper end surface of the vertical plate (31) is arranged to be inclined, and its inclination angle is consistent with the inclination angle of the upper shifting plate (33) in the material shifting state.

6. The pill detection and sorting device according to claim 1, characterized in that: The lifting mechanism (4) comprises a cylinder (42) fixed to the outside of the side wall of the material box (11), the telescopic end of the cylinder (42) is downwardly facing and fixedly connected to a lifting plate (41), and the bottom of the lifting column (21) is fixed to the upper surface of the lifting plate (41).

7. The pill detection and sorting device according to claim 6, characterized in that: A plurality of limit rods (43) are fixedly extended downward from the bottom of the material box (11), and the lifting plate (41) can slide up and down along the limit rods (43).

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