阅读说明：本技术 一种红枣近红外光谱检测装置 (Red date near infrared spectrum detection device ) 是由 夏博 李春杨 王宇 于 2020-12-17 设计创作，主要内容包括：本发明型提供一种红枣近红外光谱检测装置,为解决红枣损伤率高,检测不准确的问题,本发明提出了上料装置、输送装置和检测装置的设计,其中上料装置是一种传送带式输送机构,输送装置是一种滚子链式输送装置,检测装置增设了齿轮齿条机构。上料装置采用倾斜一定角度的间隔板式输送带进行上料,保证了红枣上料的平稳性并解决了红枣的径向排序的问题。输送装置采用辊子链式输送机构水平方向输送红枣,保证了红枣输送的平稳性并解决了红枣水平距离排序的问题。检测装置是对检测室的创新改进,采用齿轮齿条机构实现了光纤的左右移动,通过光纤位置的改变,实现了红枣转动角度的控制,提高了机构的适用性。(The invention provides a red date near infrared spectrum detection device, and aims to solve the problems of high red date damage rate and inaccurate detection. The feeding device adopts the partition plate type conveying belt inclined at a certain angle to feed, so that the stability of red date feeding is ensured, and the problem of radial sequencing of red dates is solved. The conveying device adopts the roller chain type conveying mechanism to convey the red dates in the horizontal direction, so that the stability of red date conveying is guaranteed, and the problem of red date horizontal distance sorting is solved. The detection device is an innovative improvement on the detection chamber, the left and right movement of the optical fiber is realized by adopting the gear rack mechanism, the control of the rotation angle of the red dates is realized by changing the position of the optical fiber, and the applicability of the mechanism is improved.)

1. A red date near infrared spectrum detection device comprises a conveying device rack (1), a roller chain (2), a detection device rack (3), halogen lamps (4), a rack (5), a friction plate (6), a supporting plate (7), a chain wheel (8), a red date baffle (9), a feeding driven shaft (2) (10), a red date falling guide plate (11), a PVC belt tensioning device (12), a PVC belt baffle (13), a red date feeding guide plate (14), a PVC belt tensioning device (15), a storage hopper (16), a feeding driving shaft (17), a PVC belt (18), a feeding device rack (19), a feeding driven shaft (1) (20), a conveying device motor (21), a small belt wheel (22), a belt (23), a large belt wheel (24), a secondary gear reducer (25), a gear (26), a roller (27), an LED bottom light source (28), a feeding device transmission (29), A feeding device motor (30), which is characterized in that a conveying device rack (1), a detection device rack (3) and a conveying device rack (19) are all made of 40 x 40 square steel, the conveying device motor (21) and the feeding device motor (30) are all fixed on the racks by bolts, in the actual installation, a conveying device (II) is fixed, a red date falling guide plate (11) is moved to a proper position of a roller (27) and locks the roller, the detection device rack (3) is placed on the conveying device rack (1) and is clamped, finally a friction plate (6) is placed below the conveying device roller (27) to ensure that the roller (27) can roll when passing through and is fixed on the detection device rack (3), in the production process, red dates fall from a storage hopper (16) and pass through the feeding device (I) and then fall onto the conveying device (II) through the red date falling guide plate (11), and then the detection is finished by a detection device (III).

2. The near infrared spectrum detection device for red dates as claimed in claim 1, wherein: the rollers (27) are in a double-cone shape, the roller chains (2) of the conveying device (II) are arranged in a double-row chain mode, the roller shafts are welded at chain links, one roller shaft is arranged in each two chain links, and the rollers (27) are in clearance fit with the roller shafts and are arranged on the roller shafts.

3. The near infrared spectrum detection device for red dates as claimed in claim 1, wherein: have PVC in loading attachment (I) PVC area transportation process and take overspeed device tensioner (12), PVC takes baffle (13), PVC takes pressure device (15) to guarantee the stability of PVC area transportation process, material loading driven shaft 2 (10), material loading driven shaft 1 (20) have certain contained angle with material loading driving shaft (17) on the axis direction, and the contained angle is adjustable, material loading in-process red date accomplishes radial sequencing, there is the space bar of the take certain height and the width that matches with the red date size on PVC (18), with the cooperation of red date material loading guide board (14).

4. The near infrared spectrum detection device for red dates as claimed in claim 1, wherein: a gear (26) and a rack (5) mechanism are arranged on a support plate (7) of the detection device (III), the rack is an optical fiber support, the adjustment of the distance between two optical fibers is realized, and the illumination system is composed of six halogen lamps (4) and two LED bottom light sources (28) at the bottom.

Technical Field

The invention relates to the technical field of agricultural product processing, in particular to a red date near infrared spectrum detection device.

Background

The red date is the most nutritious fruit of more than 50 kinds of fruits, and a plurality of researches find that the red date has very rich nutritive value and occupies very important position in a plurality of tonic foods. The red date planting surface is actively and rapidly enlarged, but the red date sorting mode still mainly depends on manpower, and the problems of fruit damage, low sorting efficiency and the like exist. The sugar content of the red dates is basically kept consistent by adopting a near infrared spectrum detection device, and the integration of feeding, conveying and detection of the red dates is realized. Has important significance for creating independent brands of the red date industry in China and promoting the commercialization process of the red date industry in China.

Disclosure of Invention

The invention designs a near infrared spectrum detection device for red dates, aiming at the problems of high material damage rate and inaccurate detection of the existing red date grading device.

In order to achieve the purpose, the invention adopts the following scheme: a near infrared spectrum detection device for red dates comprises a feeding device, a conveying device, a detection device, a transmission system, a storage hopper and a rack. The feeding device mainly comprises a red date baffle, a red date falling guide plate, a PVC belt tensioning device, a PVC belt baffle, a red date feeding guide plate, a PVC belt pressing device, a PVC belt and a rack. The storage hopper is fixed on a frame of the feeding device by bolts, and a discharge port of the storage hopper is provided with a guide plate which can be matched with a spacing plate on a PVC belt. The driving conveying shaft is connected with the speed changer, and the feeding speed is adjustable. The feeding driven shaft 2 and the feeding driven shaft 1 have certain included angles with the feeding driving shaft in the axis direction, and the included angles are adjustable. The PVC belt is driven to move by the carrier roller through friction, and the red dates are loaded and sorted by the aid of the red date loading guide plate. The red date falling guide plate is matched with the roller of the conveying device.

Furthermore, the conveying device is arranged right below the red date falling guide plate, the transmission system adopts a belt transmission and a secondary gear reducer, the speed is constant, an output shaft of the reducer is connected with a chain wheel shaft through a coupler, the number of teeth of two chain wheels is equal to the diameter of a reference circle, the rotating speed ratio is 1, the axis connecting line of the two chain wheels is parallel to the horizontal plane, the two groups of chain wheels are arranged in parallel, the arrangement mode of double-row chains is adopted, two ends of a roller shaft are welded on chain links of two chains, one roller shaft is welded on every two chain links, the roller shaft and the rollers are in clearance fit, and the rollers are.

Furthermore, the detection device is arranged above the conveying device, the illumination group comprises six groups of halogen lamps above the rollers and two groups of LED lamp tubes below the rollers, two groups of gear rack mechanisms are arranged on a supporting plate of the detection device, gears drive racks, the racks drive adjusting optical fibers, friction plates with enough length are arranged on six supports of the detection device through pin-fixed gear rack mechanisms and are tightly attached to the rollers in the conveying device, and when the rollers of the conveying device move forwards, the rollers in the friction plate area rotate anticlockwise.

Compared with the prior art, the invention has the following advantages: the conveying belt type mechanism is adopted for feeding, the double-row roller chain type mechanism is used for feeding, the red dates are fed, the stability in the conveying process is good, and the red date sorting effect is good; the detection device adopts double-point detection, the distance between the two optical fibers is adjusted through the two groups of gear racks, when the red dates pass through the friction plate, the red dates are guaranteed to rotate 180 degrees through the adjustment of the distance between the two optical fibers, the detection of two points on the front side and the back side of the red dates is completed, and the applicability is good.

Drawings

Fig. 1 is an overall schematic view of a near infrared spectrum detection device for red dates according to an embodiment of the present invention.

Fig. 2 is a front view of a near infrared spectrum detection device for red dates according to an embodiment of the present invention.

Fig. 3 is a left side view of a near infrared spectrum detection device for red dates according to an embodiment of the present invention.

Fig. 4 is a top view of a near infrared spectrum detection device for red dates according to an embodiment of the present invention.

In the drawings: 1. a conveyor frame; 2. a roller chain; 3. a detection device frame; 4. a halogen lamp; 5. a rack; 6. a friction plate; 7. a support plate; 8. a sprocket; 9. a red date baffle; 10. a feeding driven shaft 2; 11. a red date falling guide plate; 12. a PVC belt tensioner; 13. PVC with a baffle; 14. a red date feeding guide plate; 15. a PVC belt pressing device; 16. a storage hopper; 17. a feeding driving shaft; 18. a PVC tape; 19. a feeding device frame; 20. a feeding driven shaft 1; 21. a conveyor motor; 22. a small belt pulley; 23. a belt; 24. a large belt pulley; 25. a secondary gear reducer; 26. a gear; 27. a roller; 28. an LED bottom light source; 29. a feeding device transmission; 30. a feeding device motor; i, a feeding device; II, a conveying device; III, a detection device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a near infrared spectrum detection device for red dates comprises a feeding device (i): the red date feeding device comprises a red date baffle (9), a feeding driven shaft (2) (10), a red date falling guide plate (11), a PVC belt tensioning device (12), a PVC belt baffle (13), a red date feeding guide plate (14), a PVC belt pressing device (15), a storage hopper (16), a feeding driving shaft (17), a PVC belt (18), a conveying device rack (19), a feeding driven shaft (1) (20), a feeding device transmission (29) and a feeding device motor (30); conveying device (ii): the device comprises a rack (1), a roller chain (2), a chain wheel (8), a conveying device motor (21), a small belt wheel (22), a belt (23), a large belt wheel (24), a secondary gear reducer (25) and a roller (27); detection apparatus (iii): the device comprises a detection device frame (3), a halogen lamp (4), a rack (5), a friction plate (6), a support plate (7), a gear (26) and an LED bottom light source (28).

The detection process of the red date near infrared spectrum detection device comprises the following steps: the red date passes through between two space bars that the guide board of storage hopper (16) fell to PVC area (18), loading attachment motor (30) drive material loading driving shaft (17) through loading attachment derailleur (29) and rotate, material loading driving shaft (17) drive PVC area (18) through the friction and remove, the material loading in-process, PVC area overspeed device tensioner (12), PVC area baffle (13), the stability of material loading in-process is guaranteed in PVC area pressure device (15), red date material loading guide board (14) cooperate with the space bar in PVC area, only a red date makes between per two space bars, red date whereabouts guide board (11) and conveyor (II) cooperation, make stable the falling of red date on conveyor (II). The motor (21) of the conveying device drives the small belt wheel (22) and the large belt wheel (24) to realize primary speed reduction, secondary speed reduction is realized through the secondary gear reducer (25), the speed of the conveying device (II) is constant, the detection speed of the red dates is changed through the change of the speed of the feeding device (I), the secondary gear reducer (25) is connected with a chain wheel shaft, a double-row chain conveying mode is adopted, the number of teeth and the diameter of a reference circle of four chain wheels (8) are equal, the roller chain (2) is horizontally arranged, each two chain links are welded with one roller shaft, the roller shafts are in clearance fit with the rollers (27), the rollers (27) are in a double-cone concave shape, one red date is conveyed between each two rollers (27), when passing through the detection device (III), the friction plate (6) drives the rollers (27) to rotate so as to drive the red dates to rotate, and the support plate (7) on the detection device (III) has two groups of gear (26) and rack (, the rack (5) mechanism is provided with optical fibers, the red dates rotate for 180 degrees through adjustment of the distance between the optical fibers, double-point detection is completed, the rack and pinion mechanism is fixed through pins after the position is determined, six groups of halogen lamps (4) of the upper light source and two groups of LED bottom light sources (28) guarantee illumination, and detection of the red dates is achieved.

The foregoing shows and describes the basic principles, essential features, and advantages of the forms of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.