Red date sorting device

Abstract

The utility model relates to the technical field of food detection and grading, and discloses a red date sorting device which comprises a red date conveying roller, a sorting assembly, a red date camera shooting device, a controller and a material collecting frame, red dates are conveyed to the tail end through the conveying roller, a transparent suction cup above the conveying roller generates suction force under the negative pressure effect to suck the red dates, and the red dates are sorted through the sorting assembly. The red date camera shooting device takes a picture and sends the picture to the background controller for decision making, the stepping motor drives the rotating frame to transfer the red dates to the position above the corresponding material collecting frame under the instruction of the controller, and the electromagnetic valve works to enable the negative pressure of the transparent suction cup to be reduced till the red dates cannot be adsorbed. And the red dates fall into the corresponding material receiving frames below from the transparent suction cups under the action of self gravity. The red date sorting machine has the advantages of being accurate in detection, free of damage to the appearance of red dates and high in sorting efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to food detection grading technology, especially a red jujube sorting device. BACKGROUND

[0002] Red jujube is a kind of fruit, and people like it because it is rich in vitamins, has various medicinal effects, delicious taste and important position in cultural tradition.Currently, the red jujube sorting device generally uses a visual detection device to detect and then uses a jet device to sort red jujubes of different sizes.When multiple red jujubes appear at the same time, the visual detection device cannot accurately identify them, and the unsorted red jujubes will be sent back to the hopper for secondary screening.

[0003] A red jujube quality detection device is disclosed in Chinese Utility Model Patent No.CN215866433U.When it is detected that the red jujube is a bad jujube, the lifting cylinder drives the connecting rod to rise, so that the material blocking arc plate rises, and under the continuous rotation drive of the driving roller, the red jujube falls into the lower ring groove.However, the red jujube quality detection device has the following problems: first, the driving roller and the driven roller are prone to friction with the red jujube, which causes the skin of the red jujube to be damaged and increases the breakage rate of the red jujube;Second, the position of the material stirring rod is fixed, and when two red jujubes are parallel and at the same height or have a similar height during transmission, the material stirring rod cannot separate the red jujubes, the visual detection device cannot accurately identify them, and secondary feeding for detection is still required. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a red jujube sorting device, which has the effects of accurate detection, no damage to the appearance of the red jujube and high sorting efficiency.

[0005] The above technical purpose of the utility model is achieved by the following technical scheme: a red jujube sorting device includes a red jujube conveying roller, which is used to convey red jujubes in rows and is provided with side plates at both ends;

[0006] The sorting assembly includes a support, a rotating shaft rotatably arranged on the support, a rotating frame fixedly arranged on the rotating shaft, the rotating frame being arranged along the conveying direction of the conveying roller and the end portion of the rotating frame being located above the end portion of the conveying roller, a transparent suction cup arranged at the tail end of the rotating frame, a rotating ring fixedly sleeved on the outer wall of the rotating shaft, a support plate arranged below the rotating ring, a vacuum pump arranged below the support, a steel pipe connected to the air inlet of the vacuum pump, and the support plate being fixedly arranged on the steel pipe;

[0007] The rotating ring is hollow inside and forms a cavity with the support plate, the cavity is connected to the vacuum pump through the steel pipe at the bottom and connected to the transparent suction cup through a hose at the top, an electromagnetic valve is arranged on the hose, a stepping motor is arranged below the support, and the output end of the stepping motor is fixedly connected to the rotating shaft;

[0008] The red jujube camera equipment is fixedly arranged at the top end of the side plate and used to take pictures of the red jujubes on the suction cup;

[0009] The controller is connected with the stepping motor, the electromagnetic valve and the jujube photographing device.

[0010] The collecting frame is arranged below the end of the rotating frame for collecting the jujubes.

[0011] By adopting the above technical scheme, when the jujubes move to the corresponding position along with the conveying roller, the jujube photographing device fixed at the top end of the side plate takes a photo above the transparent suction disc, the jujube image information obtained by the photo is transmitted to the controller in real time, the controller labels the jujube image information based on the preset sorting standard and makes a corresponding control decision, according to the instruction of the controller, the rotating shaft is driven to rotate by the output end of the stepping motor, the rotating frame fixed on the rotating shaft is rotated to a proper angle, the controller sends an instruction again to close the internal switch of the hose to block the negative pressure of the hose from flowing to the suction disc, and open the external switch to let the external air flow in, so that the air pressure environment at the suction disc is changed, the suction disc loses the adsorption force, and the jujubes fall from the suction disc under the action of gravity and drop into the corresponding collecting frame below.

[0012] The rotating frame is cross-shaped, and the transparent suction disc is provided with four.

[0013] By adopting the above technical scheme, the transparent suction disc located directly above the conveying roller adsorbs the jujubes every time the rotating frame rotates by 90 degrees, and the four transparent suction discs adsorb the jujubes in turn, so that the detection time can be effectively reduced.

[0014] The collecting frame is provided with a label, and the controller is used for receiving the signal of the jujube photographing device and numbering the jujubes, and the number and the label are one-to-one corresponding.

[0015] By adopting the above technical scheme, when the jujubes move to the corresponding collecting frame, the internal switch of the electromagnetic valve is closed to block the negative pressure of the hose from flowing to the suction disc, and the external switch is opened to make the external air flow communicate with the hose, so that the jujubes lose the adsorption force and then fall by relying on their own gravity, and the label is arranged on the collecting frame, so that each jujube has a corresponding number and collecting frame label.

[0016] The end portion of the jujube conveying roller in the conveying direction is fixedly provided with a baffle, the baffle is used for preventing the jujubes from separating from the end portion of the jujube conveying roller, and the height of the baffle is lower than the distance from the transparent suction disc to the conveying roller.

[0017] By adopting the above technical scheme, the baffle prevents the jujubes from separating from the end portion of the jujube conveying roller, and the height of the baffle is lower than the distance from the transparent suction disc to the conveying roller, so as not to interfere with the normal work of the suction disc.

[0018] The rotating frame is internally provided with a groove, and the hose is installed in the groove.

[0019] By adopting the technical scheme, the hose is guided through the groove to be accurately connected to the corresponding inlet and outlet positions, and the groove protects the hose from being accidentally pressed by external objects.

[0020] The utility model discloses further provide: the upper side of transparent sucking disc is equipped with transparent dust cover, and the dust cover is fixed on the rotating frame, and the hose passes through the dust cover.

[0021] By adopting the technical scheme, the transparent dust cover prevents dust from entering, provides a relatively stable environment for the transparent sucking disc, and does not affect the observation of the transparent sucking disc.

[0022] The utility model discloses further provide: two red jujube camera equipment are equipped with two red jujube camera equipment and can cover the transparent sucking disc.

[0023] By adopting the technical scheme, the two red jujube camera equipment can shoot the red jujubes on the transparent sucking disc from different angles, the obtained image data can be supplemented and verified, and the characteristics of the red jujubes can be more accurately identified.

[0024] The utility model discloses the beneficial effect is:

[0025] 1. The utility model discloses a red jujube sorting device through setting up vacuum pump, support plate, rotating ring and hose, makes the transparent sucking disc produce adsorption under the action of the air pressure difference in the air cavity, and the red jujube is sequentially single and adsorbed to the transparent sucking disc, at this time, the red jujube camera equipment works and transmits the signal to the controller, and the controller receives and handles the data to control the stepper motor to drive the rotating shaft to rotate, and then drive the rotating frame, the transparent sucking disc rotates, when the transparent sucking disc rotates to the corresponding material receiving frame above the red jujube, the controller controls the electromagnetic valve to work, makes the adsorption on the transparent sucking disc reduce and cannot adsorb the red jujube, realizes that the red jujube falls into the material receiving frame under the self weight, has the advantages of not damaging the outer appearance of the red jujube, high detection efficiency and not needing secondary detection, high sorting efficiency.

[0026] 2. The utility model discloses a red jujube sorting device is equipped with four transparent sucking discs, and after the transparent sucking disc above the conveying roller adsorbs the red jujube, the red jujube camera equipment works and transmits the signal to the controller, and the controller receives the signal and handles, and gives the red jujube number, and the rotating shaft is driven to rotate by the stepper motor, and the rotating shaft drives the rotating frame to rotate 90 every time °, when the next transparent sucking disc moves the conveying roller above continues to adsorb the red jujube, when the red jujube rotates to the corresponding material receiving frame above, the red jujube falls down, and the application sets four transparent sucking discs to work in turn, can effectively reduce the detection time, and improves the efficiency of sorting work.

[0027] 3. The utility model discloses a red jujube sorting device's material receiving frame is provided with a mark, and the controller gives the red jujube number according to the red jujube camera equipment signal, and every red jujube has corresponding number and material receiving frame mark, realizes the accurate fall of the red jujube into the material receiving frame, and further guarantees the sorting efficiency.

[0028] 4. The rotating ring of the jujube sorting device is hollow inside and forms a cavity with the support plate, and the vacuum pump can generate negative pressure inside the rotating ring, so that the transparent suction cup generates adsorption force, realizing stable adsorption of jujubes.

[0029] 5. The jujube sorting device is provided with a transparent dust cover, which creates a stable environment for the transparent suction cup and does not affect observation, improving the stability of the jujube sorting process. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0031] Figure 1 is the overall structure schematic diagram of the jujube sorting device of the present application.

[0032] Figure 2 is Figure 1 the A-A partial enlarged schematic diagram.

[0033] Figure 3 is the structure schematic diagram of the jujube sorting device of the present application from the top view.

[0034] In the figure, 1 is a support, 2 is a rotating shaft, 3 is a rotating frame, 4 is an air inlet pipe, 5 is a transparent suction cup, 6 is a dust cover, 7 is a stepping motor, 8 is a vacuum pump, 9 is a solenoid valve, 10 is a rotating ring, 11 is a hose, 12 is a conveying roller, 13 is a side plate, 14 is a camera device, 15 is a controller, 16 is a material receiving frame, 17 is a baffle, and 18 is a support plate. DETAILED DESCRIPTION

[0035] The technical solutions of the present application will be described in detail below in combination with specific embodiments. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0036] Embodiment, a jujube sorting device, as Figures 1-3 described, comprising a jujube conveying roller 12, the jujube conveying roller 12 is used for conveying jujubes in rows and is provided with side plates 13 at both ends;

[0037] The application relates to a red date sorting device, which comprises a sorting assembly, a support 1, a rotating shaft 2 rotatably arranged on the support 1, a rotating frame 3 fixedly arranged on the rotating shaft 2, the rotating frame 3 being arranged along the conveying direction of a conveying roller 12 and the end of the rotating frame 3 being located above the end of the conveying roller 12, a transparent suction disc 5 being arranged at the tail end of the rotating frame 3, a rotating ring 10 being fixedly sleeved on the outer wall of the rotating shaft 2, a supporting plate 18 being arranged below the rotating ring 10, a vacuum pump 8 being arranged below the support 1, a steel pipe 4 being connected to the air inlet of the vacuum pump 8, and the supporting plate 18 being fixedly arranged on the steel pipe 4.

[0038] The rotating ring 10 is internally hollow and forms a cavity with the supporting plate 18, the cavity being communicated with the vacuum pump 8 through the steel pipe 4 at the bottom and communicated with the transparent suction disc 5 through a soft pipe 11 at the top, an electromagnetic valve 9 being arranged on the soft pipe 11, a stepping motor 7 being arranged below the support 1, and the output end of the stepping motor 7 being fixedly connected to the rotating shaft 2.

[0039] The application further comprises a red date photographing device 14, which is fixed on the top end of a side plate 13 and used for taking photos of the red dates on the transparent suction disc 5.

[0040] The application further comprises a controller 15, which is connected with the stepping motor 7, the electromagnetic valve 9 and the red date photographing device 14.

[0041] The application further comprises a material collecting frame 16, which is arranged below the end of the rotating frame 3 and used for collecting the red dates.

[0042] The rotating frame 3 is cross-shaped, the transparent suction disc 5 is provided with four, the material collecting frame 16 is provided with labels, and the controller 15 is used for receiving the signals of the red date photographing device 14 and numbering the red dates, the numbering corresponding to the labels one by one.

[0043] The working principle is as follows: firstly, the red dates are conveyed in rows to a specific position by the conveying roller 12, the transparent suction disc 5 arranged above the conveying roller 12 adsorbs the red dates under the action of negative pressure, secondly, the red date photographing device 14 fixed on the top end of the side plate takes photos of the red dates on the transparent suction disc 5 and transmits the information to the controller 15 in real time, the controller 15 numbers the red dates after receiving the image information, and finally, the controller 15 sends instructions to the stepping motor 7 and the electromagnetic valve 9, the stepping motor 7 drives the rotating shaft 2 to rotate, the rotating shaft 2 drives the rotating frame 3 to transfer the red dates to above the corresponding material collecting frame 16, the electromagnetic valve 9 on the soft pipe 11 acts when the red dates are transferred to above the corresponding material collecting frame 16, so that the adsorption force of the transparent suction disc 5 decreases and the red dates cannot be adsorbed, the red dates fall from the transparent suction disc 5 to the corresponding material collecting frame 16 below under the action of gravity, and since the rotating frame is provided with four transparent suction discs 5, the stepping motor rotates by 90 degrees each time, the four transparent suction discs 5 adsorb the red dates in turn, and the sorting work is circularly carried out.

[0044] Specifically, the end of the jujube conveying roller 12 in the conveying direction is fixedly provided with a baffle 17 for preventing jujubes from falling off from the end of the jujube conveying roller 12, the baffle 17 is lower than the distance from the transparent suction disc 5 to the conveying roller 12, and the baffle 17 prevents jujubes from falling off at the end of the jujube conveying roller, and the baffle 17 is lower than the distance from the transparent suction disc to the conveying roller 12 and does not interfere with the normal work of the transparent suction disc 5.

[0045] Specifically, the rotating frame 3 is internally provided with a groove, and the hose 11 is installed in the groove and can be accurately connected to the corresponding inlet and outlet positions through the guidance of the groove, and the groove protects the hose 11 from being accidentally squeezed by external objects.

[0046] Specifically, the transparent dust cover 6 is arranged above the transparent suction disc 5, the transparent dust cover 6 is fixedly arranged on the rotating frame 3, the hose 11 penetrates through the transparent dust cover 6, the transparent dust cover 6 prevents dust from entering, provides a relatively stable environment for the transparent suction disc 5, and does not affect the observation of the transparent suction disc 5.

[0047] Specifically, the jujube camera device 14 is provided with two, the two jujube camera devices 14 can cover the transparent suction disc 5, the two jujube camera devices 14 can shoot jujubes on the transparent suction disc 5 from different angles, the obtained image data can be supplemented and verified, and the characteristics of the jujubes can be more accurately identified.

[0048] The working process of the jujube sorting machine is as follows:

[0049] S1: jujube conveying link, jujubes move in rows towards the conveying direction under the operation of the conveying roller, so that the jujubes can orderly march towards the end of the conveying roller;

[0050] S2: image acquisition link, when the jujubes move to the corresponding position with the conveying roller, the transparent suction disc above the conveying roller generates adsorption force under the action of negative pressure, tightly sucking the jujubes, the jujube camera device fixed at the top of the side plate takes a photo of the jujubes on the transparent suction disc, obtains the appearance image information of the jujubes, and transmits the information to the controller in real time;

[0051] S3: control decision link, after the controller receives the image information transmitted by the jujube camera device, analyzes and judges the jujubes according to the preset sorting standard, numbers the jujubes, determines the corresponding material frame label according to the number, and controls the stepping motor to start, drives the rotating shaft to rotate by 90°, and the rotating frame rotates to move the next transparent suction disc above the jujubes, and the transparent suction disc above the conveying roller continues to adsorb the jujubes.

[0052] S4: red jujube sorting link, when the rotating frame transfers the red jujube to the corresponding material receiving frame, the controller sends an instruction to the electromagnetic valve, the electromagnetic valve works to reduce the negative pressure of the hose to the point that it cannot adsorb the red jujube, the red jujube falls from the suction cup to the corresponding material receiving frame below under the action of its own gravity, completing a red jujube sorting operation, and the whole process is repeated to realize the sorting and collection of batches of red jujubes.

[0053] The utility model is described through some embodiments, and the person skilled in the art knows that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, these features and embodiments can be modified to adapt to specific conditions and materials under the guidance of the utility model without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A red date sorting device, characterized in that: It includes jujube conveying roller (12), the jujube conveying roller (12) is used to convey jujube in row and is equipped with side plate (13) at both ends; It includes sorting assembly, the sorting assembly includes support (1), the support (1) is rotationally provided with rotating shaft (2), the rotating shaft (2) is fixedly provided with rotating frame (3), the rotating frame (3) is arranged along the conveying direction of conveying roller (12) and the end of rotating frame (3) is located above the end of conveying roller (12), the bottom of the tail end of rotating frame (3) is provided with transparent suction cup (5), the outer wall of rotating shaft (2) is fixedly sleeved with rotating ring (10), the lower portion of rotating ring (10) is provided with support plate (18), the lower portion of support (1) is provided with vacuum pump (8), the air inlet of vacuum pump (8) is communicated with steel pipe (4), and the support plate (18) is fixedly arranged on the steel pipe (4); The inside of rotating ring (10) is hollow and forms a cavity with support plate (18), the bottom of the cavity is communicated with vacuum pump (8) through steel pipe (4), the top is communicated with transparent suction cup (5) through hose (11), the electromagnetic valve (9) is arranged on the hose (11), the lower portion of support (1) is provided with stepping motor (7), and the output end of stepping motor (7) is fixedly connected with rotating shaft (2); It includes jujube camera device (14), the jujube camera device (14) is fixed at the top end of side plate (13) and is used for taking pictures of jujubes on transparent suction cup (5); It includes controller (15), the controller (15) is connected with stepping motor (7), electromagnetic valve (9) and jujube camera device (14); It includes material collecting frame (16), the material collecting frame (16) is located below the end of rotating frame (3) and is used for collecting jujubes.

2. The red date sorting device according to claim 1, characterized in that: The rotating frame (3) is cross-shaped, and the transparent suction cup (5) is provided with four.

3. The red date sorting device according to claim 1, characterized in that: The material collecting frame (16) is provided with a label, the controller (15) is used for receiving signals of jujube camera device (14) and numbering jujubes, and the number corresponds to the label one by one.

4. The red date sorting device according to claim 1, characterized in that: The end along the conveying direction of jujube conveying roller (12) is fixedly provided with baffle (17), and the baffle (17) is used for preventing jujubes from separating from the end of jujube conveying roller (12).

5. The red date sorting device according to claim 4, characterized in that: The height of baffle (17) is lower than the distance from transparent suction cup (5) to conveying roller (12).

6. The red date sorting device according to claim 1, characterized in that: The inside of rotating frame (3) is provided with a groove, and the hose (11) is installed in the groove.

7. The red date sorting device according to claim 1, characterized in that: The upper portion of transparent suction cup (5) is provided with transparent dust cover (6), the transparent dust cover (6) is fixedly arranged on rotating frame (3), and the hose (11) penetrates through the transparent dust cover (6).

8. The red date sorting device according to claim 1, characterized in that: The jujube camera device (14) is provided with two, and the two jujube camera devices (14) can cover transparent suction cup (5).

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