Three-stage double-channel visual grain counting machine

Abstract

The utility model discloses a three-stage double-channel visual grain counting machine. The three-stage double-channel visual grain counting machine is characterized in that a feeding hopper is mounted on a rack; the first-stage belt type conveying device is mounted on the rack; the main channel linear array disc is arranged on the right side of the first-stage belt type conveying device; the secondary belt type conveying device is arranged on the right side of the main channel linear array disc; the aggregate bin is mounted on the right side of the rack; the backlight lamp is mounted above the right end of the rack; the CCD visual system is installed in the machine frame, and the lens end of the CCD visual system faces the gap in the machine frame and corresponds to the backlight lamp. By the adoption of the technical scheme, the large-particle and large-weight material conveying device can be suitable for material conveying of large-particle and large-weight materials, the conveying speed and the particle counting efficiency can be improved, the material conveying speed of the second-stage belt type conveying device is controlled to be larger than the material conveying speed of the main channel linear array disc, the distance between the materials conveyed backwards to the second-stage belt type conveying device can be increased, and the material counting efficiency is improved. Concentration of the materials during output is prevented, follow-up accurate grain counting of the materials is facilitated, and the grain counting accuracy of the materials is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of grain counter, especially to a three -level double -channel vision grain counter. BACKGROUND

[0002] Grain counter is a kind of device for counting material. The patent document with the announcement number CN213474788U discloses a double-channel vision grain counter, the grain counter can realize the counting of material, but the conveying of material before counting is through the main channel first linear array disc, the main channel second linear array disc, the first auxiliary channel first linear array disc and the auxiliary channel second linear array disc, and the speed of conveying material by linear array disc is relatively slow, which affects the counting efficiency of material, and when conveying large particle and large weight material, amplitude weakening is prone to occur, which also affects the conveying speed and counting efficiency of material, in addition, the output material concentration affects the quantity accuracy. Therefore, how to design a vision grain counter capable of improving counting efficiency and counting accuracy becomes a technical problem to be solved urgently. SUMMARY

[0003] In order to overcome the technical defects of the prior art, the utility model aims at providing a three -level double -channel vision grain counter to solve the above technical problems.

[0004] The technical scheme adopted by the utility model to solve the technical problems is as follows:

[0005] According to one aspect of the utility model, a three -level double -channel vision grain counter is designed, which comprises:

[0006] Frame, the left end top is equipped with the feeding hopper for storing material;

[0007] First belt conveyor device, installed on the frame, the left end of the first belt conveyor device is located below the discharge port of the feeding hopper, for receiving the output material and conveying to the right;

[0008] Main channel linear array disc, located on the right side of the first belt conveyor device, for receiving the output material of the first belt conveyor device and conveying to the right;

[0009] Second belt conveyor device, located on the right side of the main channel linear array disc, for receiving the output material of the main channel linear array disc and conveying to the right, the speed of conveying material of the second belt conveyor device is greater than the speed of conveying material of the main channel linear array disc;

[0010] Material collecting hopper, installed on the right side of the frame, for receiving the output material of the second belt conveyor device;

[0011] Backlight, installed on the right end of the frame;

[0012] A CCD vision system is installed in the rack, with the lens end of the CCD vision system facing the gap on the rack and corresponding to the backlight.

[0013] By using the above technical scheme, the material can be transported by the belt conveying device, which can be suitable for material conveying of large-granular and heavy material, and can improve the conveying speed and the number of particles, and by controlling the speed of the material conveyed by the secondary belt conveying device to be greater than the speed of the material conveyed by the main channel linear array disc, the spacing between the materials conveyed to the secondary belt conveying device can be increased, the materials can be prevented from being concentrated when being output, and the subsequent accurate counting of the materials is facilitated, and the accuracy of the material counting is improved.

[0014] In order to better solve the above technical defects, the utility model also has better technical schemes:

[0015] In some embodiments, the auxiliary channel linear array disc is arranged on the rear side of the main channel linear array disc, and is used for receiving the material output by the primary belt conveying device and conveying the material to the secondary belt conveying device, a partition plate is arranged in the material collecting hopper to divide the interior into a main material channel and a fine material channel, the front side part of the secondary belt conveying device receives the material output by the main channel linear array disc and conveys the material into the main material channel, and the rear side part receives the material output by the auxiliary channel linear array disc and conveys the material into the fine material channel, the lower parts of the main material channel and the fine material channel are communicated with the material outlet at the bottom of the material collecting hopper, a gate plate is arranged in the main material channel, and the gate plate is connected with a turnover driving device for driving the turnover of the gate plate to control the opening and closing of the main material channel. A small amount of material can be conveyed to the secondary belt conveying device by the auxiliary channel linear array disc, and then conveyed to the fine material channel, so that accurate feeding of a small amount of material is realized.

[0016] In some embodiments, the upper end of the partition plate has an extension plate extending to the top of the secondary belt conveying device to separate the material conveyed by the main channel linear array disc and the material conveyed by the auxiliary channel linear array disc.

[0017] In some embodiments, the primary belt conveying device and the secondary belt conveying device are both belt conveyors.

[0018] In some embodiments, the shafts at both ends of the gate plate are rotationally connected with the material collecting hopper, the rear end of the turnover driving device is hingedly connected with the material collecting hopper, the driving end is fixedly connected with a linkage plate, and the linkage plate is fixedly connected with the shafts.

[0019] In some embodiments, the turnover driving device is a pneumatic cylinder, a hydraulic cylinder or an electric push rod. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 The structure diagram of the three-stage double-channel vision particle counting machine according to an embodiment of the utility model is shown in the figure;

[0021] Fig. 2 Figure 1 is a perspective view of a three-stage double-channel vision grain counter;

[0022] Reference signs:

[0023] 1, rack; 11, feeding hopper; 2, first belt conveyor; 3, main channel linear array disc; 4, auxiliary channel linear array disc; 5, second belt conveyor; 6, material collecting hopper; 61, main material channel; 62, fine material channel; 63, partition plate; 631, extension plate; 64, gate; 7, backlight; 8, CCD vision system; 9, turnover driving device; 91, linkage plate. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the present application more clear and understandable, the present application will be further described in detail below with reference to the specific embodiments and the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present application. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present application.

[0025] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0026] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, fixing, etc. should be understood broadly, and the person skilled in the art can determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.

[0027] Reference Figs. 1-2 As shown in the drawings, the three-stage double-channel vision grain counter provided by the present application comprises a rack 1, a first belt conveyor 2, a main channel linear array disc 3, an auxiliary channel linear array disc 4, a second belt conveyor 5, a material collecting hopper 6, a backlight 7 and a CCD vision system 8.

[0028] The rack 1 is provided with a feeding hopper 11 at the top of the left end for storing materials, and the feeding hopper 11 is provided with a discharge port at the bottom or the right side.

[0029] The primary belt conveyor 2 is installed on the frame 1, and the left end of the primary belt conveyor 2 is located below the discharge port of the upper hopper 11. The primary belt conveyor 2 is used to receive the material output by the upper hopper 11 and convey it to the right. The primary belt conveyor 2 is a belt conveyor or a chain belt conveyor. In this embodiment, the primary belt conveyor 2 is preferably a belt conveyor.

[0030] The main channel linear array disc 3 is arranged on the right side of the primary belt conveyor 2. The main channel linear array disc 3 is used to receive the material output by the primary belt conveyor 2 and convey it to the right.

[0031] The auxiliary channel linear array disc 4 is arranged on the rear side of the main channel linear array disc 3. The auxiliary channel linear array disc 4 is used to receive the material output by the primary belt conveyor 2 and convey it to the right.

[0032] The secondary belt conveyor 5 is arranged on the right side of the main channel linear array disc 3. The secondary belt conveyor 5 is used to receive the material output by the main channel linear array disc 3 and the auxiliary channel linear array disc 4 and convey it to the right. The speed at which the secondary belt conveyor 5 conveys the material is greater than the speed at which the main channel linear array disc 3 conveys the material. The secondary belt conveyor 5 is a belt conveyor or a chain belt conveyor. In this embodiment, the secondary belt conveyor 5 is preferably a belt conveyor.

[0033] The material collecting hopper 6 is installed on the right side of the frame 1. The material collecting hopper 6 is used to receive the material output by the secondary belt conveyor 5. The material collecting hopper 6 is internally provided with a partition plate 63 that separates the interior into a main material channel 61 and a fine material channel 62. The upper end of the partition plate 63 is provided with an extension plate 631 that extends to the top of the secondary belt conveyor 5 to separate the material conveyed by the main channel linear array disc 3 and the material conveyed by the auxiliary channel linear array disc 4. The front side of the secondary belt conveyor 5 receives the material output by the main channel linear array disc 3 and conveys it into the main material channel 61. The rear side of the secondary belt conveyor 5 receives the material output by the auxiliary channel linear array disc 4 and conveys it into the fine material channel 62. The lower parts of the main material channel 61 and the fine material channel 62 are in communication with the discharge port at the bottom of the material collecting hopper 6. The material that passes through the main material channel 61 and the fine material channel 62 is output from the discharge port at the bottom of the material collecting hopper 6. The main material channel 61 is provided with a shutter 64. The shutter 64 is connected to a flipping driving device 9 that drives it to flip to control the opening or closing of the main material channel 61. Furthermore, the ends of the shutter 64 are fixedly connected to rotating shafts that rotate with the material collecting hopper 6. The rear end of the flipping driving device 9 is hingedly connected to the material collecting hopper 6. The driving end of the flipping driving device 9 is fixedly connected to a linkage plate 91 that is fixedly connected to the rotating shafts on the shutter 64. The flipping driving device 9 drives the linkage plate 91 to rotate around the rotating shafts to link the rotation of the shutter 64. The rotation of the shutter 64 can control the opening of the main material channel 61 to achieve material dropping or block the material dropping. The flipping driving device 9 is a pneumatic cylinder, a hydraulic cylinder, an electric push rod, or the like. In this embodiment, the flipping driving device 9 is preferably a pneumatic cylinder.

[0034] The backlight 7 is installed on the right top of the rack 1, and the backlight 7 is in a long strip shape, and the light emitting end thereof faces the gap on the rack 1.

[0035] The CCD vision system 8 is installed in the rack 1, and the lens end of the CCD vision system 8 faces the gap on the rack 1 and corresponds to the backlight 7, Fig. 2 The dashed line in the figure represents the light irradiation direction of the backlight 7.

[0036] The control device is electrically connected with the first belt conveyor 2, the main channel linear array disc 3, the second belt conveyor 5, the backlight 7, the CCD vision system 8 and the turnover driving device 9.

[0037] The principle of counting the number of particles is that the material output from the second belt conveyor 5 falls into the collecting hopper 6, and the material passes through the backlight 7 and the CCD vision system 8, leaving an image on the vision system, and the CCD vision system 8 can obtain the number of the material by analyzing and calculating the image, and feed back the number information to the control device.

[0038] The principle of the three-stage double-channel vision particle counting machine is that after the device is started, the material output from the upper hopper 11 enters the first belt conveyor 2, and the first belt conveyor 2 conveys the material to the right, most of which is conveyed to the main channel linear array disc 3, and a small part of which is conveyed to the auxiliary channel linear array disc 4, the main channel linear array disc 3 is started to convey the material to the right through vibration, so that the material is conveyed to the second belt conveyor 5, the front part of the second belt conveyor 5 conveys the material into the main material channel 61, and the material is output after passing through the main material channel 61, when the number of the material approaches the set number, the turnover driving device 9 drives the shutter 64 to close and block the material, then the auxiliary channel linear array disc 4 is started to convey the material to the right through vibration, so that the material is conveyed to the second belt conveyor 5, the rear part of the second belt conveyor 5 conveys the material into the fine material channel 62 to supplement a small amount of material, and the material is output after passing through the fine material channel 62, until the total number of the material reaches the set number, and the auxiliary channel linear array disc 4 stops when the supplementing is completed, and the main channel linear array disc 3 is still started to convey the material to the main material channel 61 through the second belt conveyor 5, and the number of the material is counted by the CCD vision system 8, when the auxiliary channel linear array disc 4 stops for the next counting, the turnover driving device 9 drives the shutter 64 to open to fall the material.

[0039] The above only describes some embodiments of the present application, and those skilled in the art can make some modifications and improvements without departing from the inventive concept, and these all belong to the protection scope of the present application.

Claims

1. A three-stage dual-channel vision counting machine, characterized in that, include: The frame has a feeding hopper for storing materials installed at the top left end; A primary belt conveyor is installed on the frame. The left end of the primary belt conveyor is located below the discharge port of the feeding hopper and is used to receive the material output by the hopper and convey it to the right. The main channel linear array disk is located on the right side of the primary belt conveyor and is used to receive the material output from the primary belt conveyor and convey it to the right. A secondary belt conveyor is located on the right side of the main channel linear array disk, and is used to receive the material output from the main channel linear array disk and convey it to the right. The material conveying speed of the secondary belt conveyor is greater than the material conveying speed of the main channel linear array disk. A material collection hopper, installed on the right side of the frame, is used to receive the material output from the secondary belt conveyor. Backlight, installed on the upper right end of the frame; A CCD vision system is installed inside the rack, with the lens end of the CCD vision system facing the gap on the rack and corresponding to the backlight.

2. The three-stage dual-channel visual counting machine according to claim 1, characterized in that, It also includes an auxiliary channel linear array, which is located behind the main channel linear array and is used to receive the material output from the primary belt conveyor and convey it to the secondary belt conveyor. The hopper is equipped with a partition that divides the interior into a main material channel and a fine feeding channel. The front part of the secondary belt conveyor receives the material output from the main channel linear array and conveys it into the main material channel, while the rear part receives the material output from the auxiliary channel linear array and conveys it into the fine feeding channel. The lower parts of the main material channel and the fine feeding channel are connected to the discharge port at the bottom of the hopper. A gate is provided in the main material channel, and the gate is connected to a flipping drive device that drives it to flip to control the opening or closing of the main material channel.

3. A three-stage dual-channel visual counting machine according to claim 2, characterized in that, The upper end of the partition plate has an extension plate that extends to the top of the secondary belt conveyor to separate the material conveyed by the main channel linear array and the material conveyed by the auxiliary channel linear array.

4. A three-stage dual-channel visual counting machine according to claim 1, characterized in that, Both the primary and secondary belt conveyor devices are belt conveyors.

5. A three-stage dual-channel visual counting machine according to claim 2, characterized in that, The rotating shafts at both ends of the gate plate are rotatably connected to the hopper. The rear end of the overturning drive device is hinged to the hopper, and a linkage plate is fixedly connected to the drive end. The linkage plate is fixedly connected to the rotating shaft.

6. A three-stage dual-channel visual counting machine according to claim 5, characterized in that, The flipping drive device is a pneumatic cylinder, a hydraulic cylinder, or an electric push rod.

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