Efficient jujube grading device

Abstract

The utility model relates to jujube processing technical field especially, it is a kind of efficient jujube grading device, including: grading device shell, install on ground;Spiral material distributor, install in the inside of grading device shell;Spiral blade, install in the inside of spiral material distributor;Elastic buffer baffle, install in the downside of spiral material distributor;Spring hinge, install in the outside of elastic buffer baffle. Through spiral material distributor and spiral blade synergistic effect, realize jujube uniform dispersion, continuous feeding, avoid feeding jam;During jujube falling process, elastic buffer baffle is elastically received under the driving of spring hinge, cooperates buffer band secondary unloading force, greatly weakens falling impact, avoids jujube breakage, to realize in guarantee grading process efficient smooth, feeding uninterrupted while, maximum degree protects jujube intact appearance, improves grading qualified rate, realizes the unity of efficient grading and nondestructive protection.

Description

Technical Field

[0001] This utility model relates to the field of jujube processing technology, and in particular to a high-efficiency jujube grading device. Background Technology

[0002] As a specialty agricultural product, the quality grading of jujubes is a crucial step in enhancing added value and standardizing market circulation. With the scaling up of the industry, the low efficiency and inconsistent standards of manual grading have become prominent, leading to the gradual promotion of automated grading devices such as mechanical and photoelectric systems. Existing devices mostly employ structures like drum screens, roller grading systems, or vibrating screens, relying on the material's own weight to fall onto the grading components for screening. These devices often rely on direct feeding or simple conveying, lacking precise material distribution and buffering designs. Material is easily constrained by the equipment structure, directly impacting the grading components or the machine body during conveying and falling. Current grading technology focuses on improving grading accuracy but neglects the impact of the feeding process on the integrity of the jujubes, making it difficult to balance grading efficiency with product quality protection.

[0003] The core defect of the existing technology is that the existing device lacks an effective material distribution and buffer structure, which leads to the accumulation and blockage of jujube feed, poor continuity, and large impact when falling, which easily causes damage to the skin and pulp, seriously affecting the product quality. Utility Model Content

[0004] The purpose of this utility model is to provide an efficient jujube grading device, which aims to solve the problem that the existing device lacks an effective material distribution and buffer structure, resulting in jujube feeding accumulation and blockage, poor continuity, and large falling impact, which easily causes skin damage and pulp damage, seriously affecting product quality.

[0005] The technical solution adopted in this utility model is as follows: A high-efficiency jujube grading device includes: The grading device casing is installed on the ground; A spiral feeder is installed inside the housing of the grading device; Spiral blades are installed on the inner side of the spiral fabric distributor; An elastic buffer baffle is installed on the lower side of the spiral fabric distributor; A spring hinge is installed on the outside of the elastic buffer baffle.

[0006] This utility model also has the following technical features: In one embodiment of the present invention, a roller conveyor is installed on the inner side of the housing of the grading device, and the roller conveyor is at a 45° angle to the ground.

[0007] In one embodiment of the present invention, a guide scraper is installed on the inner side of the housing of the grading device, and the guide scraper is installed on the upper side of the roller conveyor.

[0008] In one embodiment of the present invention, a roller classifier is installed on the inner side of the housing of the grading device, and a buffer belt is installed between the roller classifier and the roller conveyor.

[0009] In one embodiment of the present invention, an impurity screen is installed on the lower side of the roller conveyor, and an impurity collection box is installed on the lower side of the impurity screen.

[0010] In one embodiment of this utility model, a feeding hopper is installed on the upper side of the spiral feeder.

[0011] In one embodiment of this utility model, a conveyor belt is installed on the lower and outer sides of the roller classifier.

[0012] In one embodiment of this utility model, a fruit discharge platform is installed on the outer side of the conveyor belt, and a manual baffle is installed on the upper side of the fruit discharge platform.

[0013] Compared with existing technologies, the beneficial effects of this utility model are reflected in the following aspects: The spiral distributor combined with spiral blades can evenly disperse and transport jujubes, avoiding material accumulation and blockage, thus ensuring continuous feeding. The elastic buffer baffle combined with spring hinges can flexibly support falling jujubes, buffering impact and reducing skin damage from bumps and knocks. A buffer belt between the spiral distributor and the roller grading machine further slows the falling speed of the jujubes, reduces contact impact, and prevents fruit pulp from being crushed. A guide scraper mounted on the upper side of the roller conveyor guides the orderly transport of jujubes, preventing deviation and accumulation, and improving feeding stability in conjunction with the distributor. The roller conveyor is set at a 45° angle, utilizing gravity to assist transport while balancing efficiency and smoothness, avoiding violent collisions during transport. The feeding hopper connects to the upper side of the spiral distributor, enabling continuous feeding and working in tandem with the distribution structure to ensure a smooth and uninterrupted feeding process. The double protection of the buffer belt and elastic baffle forms a multi-level buffer system, dissipating force layer by layer, maximizing the reduction of breakage rate. The overall structure, through the coordinated design of the fabric and cushioning components, can effectively protect the integrity of the jujubes and improve their grading quality while ensuring continuous and stable feeding. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a high-efficiency jujube grading device in one embodiment of the present invention; Figure 2 This is a three-dimensional structural diagram of the internal structure of a high-efficiency jujube grading device according to one embodiment of the present invention. Figure 3 This is a side-view perspective three-dimensional structural diagram of a high-efficiency jujube grading device according to one embodiment of the present invention.

[0015] Explanation of icon numbers: 10. Classification device housing; 11. Roller conveyor; 12. Guide scraper; 13. Impurity screen; 14. Impurity collection box; 20. Spiral feeder; 21. Feed hopper; 30. Spiral blades; 40. Elastic buffer baffle; 50. Spring hinge; 60. Roller grading machine; 61. Buffer belt; 62. Conveyor belt; 63. Fruit exit platform; 64. Manual baffle. Detailed Implementation

[0016] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model.

[0017] The illustrations provided in this embodiment are only schematic representations of the basic concept of this utility model. Therefore, the drawings only show the components related to this utility model and are not drawn according to the actual number, shape and size of the components. In actual implementation, the shape, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0018] It should be noted that the existing high-efficiency jujube grading device has a core defect: the existing device lacks an effective material distribution and buffer structure, resulting in jujube feeding accumulation and blockage, poor continuity, and large impact during falling, which easily causes skin damage and pulp damage, seriously affecting product quality. To address this, a high-efficiency jujube grading device is proposed, comprising a grading device housing 10, installed on the ground; a spiral distributor 20, installed inside the grading device housing 10; spiral blades 30, installed inside the spiral distributor 20; an elastic buffer baffle 40, installed below the spiral distributor 20; and a spring hinge 50, installed outside the elastic buffer baffle 40.

[0019] In one embodiment, a roller conveyor 11 is installed inside the housing 10 of the grading device, and the roller conveyor 11 has a 45° angle with the ground.

[0020] In one embodiment, a guide scraper 12 is installed on the inner side of the grading device housing 10. The guide scraper 12 is installed on the upper side of the roller conveyor 11. The guide scraper can limit and sort the jujubes on the roller conveyor, prevent the jujubes from shifting and piling up during the oblique conveying process, and ensure that the jujubes are evenly distributed on the roller surface. Together with the roller conveyor, it ensures the continuity and stability of the conveying.

[0021] In one embodiment, a roller classifier 60 is installed inside the housing 10 of the grading device, and a buffer belt 61 is installed between the roller classifier 60 and the roller conveyor 11.

[0022] In one embodiment, an impurity screen 13 is installed on the lower side of the roller conveyor 11, and an impurity collection box 14 is installed on the lower side of the impurity screen 13. During the conveying process of the roller conveyor, small impurities mixed in the jujubes can fall through the gap between the rollers to the impurity screen. The screen filters and intercepts the impurities, which are finally collected in the impurity collection box, thereby achieving efficient separation of impurities from jujubes and ensuring the accuracy of subsequent grading.

[0023] In one embodiment, a feeding hopper 21 is installed on the upper side of the spiral distributor 20. The feeding hopper can realize the centralized feeding of red dates and continuously supply material to the spiral distributor. Its discharge port is precisely connected to the spiral distributor to avoid the red dates from scattering when feeding, and ensure that all red dates enter the spiral distributor for uniform feeding, providing a stable feeding guarantee for subsequent buffering and grading processes.

[0024] In one embodiment, a conveyor belt 62 is installed on the lower and outer sides of the roller grading machine 60. After the roller grading machine completes the grading of different sizes of red dates, they can fall directly onto the corresponding conveyor belt. The conveyor belt quickly transports the graded red dates to the designated position, realizing a seamless connection between grading and discharge, and improving the efficiency of the overall grading process.

[0025] In one embodiment, a fruit discharge platform 63 is installed on the outer side of the conveyor belt 62, and a manual baffle 64 is installed on the upper side of the fruit discharge platform 63. The conveyor belt transports the graded jujubes to the fruit discharge platform. The manual baffle can flexibly adjust the size of the fruit discharge opening according to the material collection requirements to prevent the jujubes from scattering during the discharge process. At the same time, it facilitates the centralized collection by the staff and works with the conveyor belt to ensure the orderly operation of the material discharge process.

[0026] In one embodiment, see Figure 1 and Figure 2The outer shell 10 of the grading device provides the installation foundation for the overall structure. The spiral feeder 20 installed inside and the spiral blades 30 inside form a cooperative feeding structure. After the dates are put in, they enter the spiral feeder 20. When the spiral blades 30 rotate, they evenly disperse the dates, avoiding the accumulation of feed material and providing a continuous and stable material supply for subsequent processes. The elastic buffer baffle 40 installed on the lower side of the spiral feeder 20 can be flexibly flipped through the outer spring hinge 50 to receive the dates falling from the spiral feeder 20. The elastic reset characteristics of the spring hinge 50 are used to buffer the initial falling impact, while smoothly guiding the dates to the roller conveyor 11 below, completing the initial connection of "feeding-buffering-guiding".

[0027] In one embodiment, the roller conveyor 11 is installed at an angle inside the housing 10 of the grading device, forming a 45° angle with the ground. This design not only helps the jujubes slide smoothly down the inclined roller surface with the aid of gravity, improving conveying efficiency, but also avoids violent collisions caused by excessive speed. During the conveying process, small impurities mixed in with the jujubes can fall through the gaps between the rollers. The impurity screen 13 below filters and intercepts the impurities, which are finally collected in the impurity collection box 14, achieving pre-separation of the jujubes and impurities. At the same time, the output end of the roller conveyor 11 is precisely connected to the buffer belt 61, preparing the jujubes for the transition to the grading stage.

[0028] In another embodiment, see Figure 3 The roller grading machine 60 is installed inside the outer shell 10 of the grading device. The buffer belt 61 between the roller grading machine 60 and the roller conveyor 11 receives the jujubes that are conveyed. Through its own flexibility, it further reduces the impact of falling and avoids the jujubes from directly hitting the roller grading machine 60 and causing damage, so as to achieve a smooth transition from conveying to grading. After the roller grading machine 60 completes the grading of jujubes of different sizes, it guides them to the lower and outer conveyor belts 62 respectively. The conveyor belts 62 quickly convey the graded jujubes to the fruit discharge platform 63. The manual baffle 64 on the upper side of the fruit discharge platform 63 can flexibly adjust the size of the fruit discharge opening to prevent the jujubes from scattering and facilitate centralized collection, forming a complete process of "buffering-grading-conveying-discharging".

[0029] In summary, the efficient jujube grading device of this utility model, through the synergistic effect of the spiral feeder 20, spiral blades 30, elastic buffer baffle 40, spring hinge 50 and buffer belt 61, can effectively reduce the impact of jujubes falling and avoid accumulation and blockage, thus achieving the dual functions of continuous and stable feeding and non-damaged protection of jujubes during the grading process.

[0030] Working Principle: This high-efficiency jujube grading device uses the outer shell 10 of the grading device as the installation base. Jujubes are fed into the spiral distributor 20 through the feeding hopper 21. The spiral blades 30 rotate to evenly disperse the jujubes, avoiding material accumulation and ensuring continuous feeding. The falling jujubes are caught by the elastic buffer baffle 40 on the lower side of the spiral distributor 20. The elastic reset characteristic of the spring hinge 50 achieves flexible flipping, buffering the initial falling impact and smoothly guiding the roller conveyor 11. The roller conveyor 11 is at a 45° angle to the ground. With the help of gravity, the jujubes slide down smoothly. The guide scraper 12 on the upper side limits and sorts the jujubes to prevent deviation and accumulation. During the conveying process, small impurities fall through the gaps between the rollers to the impurity screen 13 and finally collect in the impurity collection box 14 to complete the pre-separation. The jujubes are conveyed by the roller conveyor 11 to the buffer belt 61, where their flexibility further reduces the impact and allows them to smoothly transition to the roller grading machine 60 for grading. The graded jujubes then fall into the corresponding conveyor belts 62, which quickly transport them to the fruit discharge platform 63. Workers can adjust the manual baffle 64 to control the size of the fruit discharge opening, achieving orderly and centralized collection of jujubes. The entire process forms a complete flow of "feeding-laying-buffering-conveying-impurity removal-grading-discharge", taking into account both the continuity of feeding and the protection of the jujubes without damage.

[0031] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0032] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A high-efficiency jujube grading device, characterized in that, include: The grading device housing (10) is installed on the ground; Spiral feeder (20) is installed inside the housing (10) of the grading device; Spiral blades (30) are installed on the inner side of the spiral distributor (20); An elastic buffer baffle (40) is installed on the lower side of the spiral fabric distributor (20); A spring hinge (50) is mounted on the outside of the elastic buffer baffle (40).

2. The efficient jujube grading device according to claim 1, characterized in that, A roller conveyor (11) is installed on the inner side of the housing (10) of the grading device, and the roller conveyor (11) has a 45° angle with the ground.

3. The efficient jujube grading device according to claim 2, characterized in that, A guide scraper (12) is installed on the inner side of the housing (10) of the grading device, and the guide scraper (12) is installed on the upper side of the roller conveyor (11).

4. The efficient jujube grading device according to claim 2, characterized in that, A roller classifier (60) is installed inside the outer shell (10) of the grading device, and a buffer belt (61) is installed between the roller classifier (60) and the roller conveyor (11).

5. The efficient jujube grading device according to claim 2, characterized in that, An impurity screen (13) is installed on the lower side of the roller conveyor (11), and an impurity collection box (14) is installed on the lower side of the impurity screen (13).

6. The efficient jujube grading device according to claim 1, characterized in that, A feeding hopper (21) is installed on the upper side of the spiral feeder (20).

7. The efficient jujube grading device according to claim 4, characterized in that, The roller classifier (60) is equipped with a conveyor belt (62) on its lower and outer sides.

8. The efficient jujube grading device according to claim 7, characterized in that, A fruit discharge platform (63) is installed on the outside of the conveyor belt (62), and a manual baffle (64) is installed on the upper side of the fruit discharge platform (63).

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