A disc-type clamping and pitting device

By designing a disc-type clamping pitting device, the rotating disc and clamping components are used to achieve precise positioning and pitting of jujubes, solving the problem of fruit pulp damage during the pitting process and improving production efficiency and product quality.

CN224268171UActive Publication Date: 2026-05-26SHAANXI IND VOCATIONAL & TECH COLLEGE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHAANXI IND VOCATIONAL & TECH COLLEGE
Filing Date
2025-07-14
Publication Date
2026-05-26

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Abstract

This utility model relates to the field of jujube pitting processing, and more particularly to a disc-type clamping pitting device, including a receiving box and a feeding box fixedly installed on the top of the receiving box. The feeding box has a semi-circular structure, and a fixed upright plate is fixedly connected to the left side of the surface of the feeding box. The height of the fixed upright plate is less than the height of the feeding box, and a gap is formed between the fixed upright plate and the receiving box. A feeding component is provided on one side of the surface of the fixed upright plate, and a pitting module is provided on the other side of the surface of the fixed upright plate. A rotating disk is rotatably installed on the top of the inner side of the receiving box. The surface of the rotating disk has material grooves arranged in an array, and a clamping component is provided at the bottom of the rotating disk. After the jujubes are fed, each material groove corresponds to one jujube, and the clamping component facilitates the clamping and limiting of the jujubes. During pitting processing, the pre-pressure rod first forms a clamping and limiting force on the jujubes, which is convenient for adapting to jujubes of different shapes, avoiding damage to the jujubes during processing and reducing the pitting breakage rate.
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Description

Technical Field

[0001] This utility model relates to the field of jujube pitting and processing, and in particular to a disc-type clamping pitting device. Background Technology

[0002] Pitting red dates is often necessary during processing, and this step is crucial in the deep processing of red dates. Pitting not only improves the convenience of consumption but also meets the needs of different processed products, such as date paste, date cake, and date beverages. Red date pits are hard, and eating them directly may affect the taste or even pose safety hazards. Moreover, pitting makes subsequent processing easier, such as pulping, drying, or extracting active ingredients.

[0003] Existing pitting devices all require clamping and positioning the jujubes to facilitate mechanical separation of the pits. However, when the jujubes vary greatly in size, the positioning effect is often poor, resulting in damage to the fruit flesh.

[0004] Therefore, in order to address the aforementioned issues, the existing jujube pitting process suffers from poor clamping effect and is affected by differences in jujube size and shape, which easily damages the flesh of some jujubes during pitting, greatly limiting the improvement of production efficiency and product quality. Utility Model Content

[0005] In order to overcome the problem that in the current jujube pitting process, some jujubes are easily damaged during pitting, which greatly limits the improvement of production efficiency and product quality.

[0006] The technical solution of this utility model is as follows: a disc-type clamping and de-core device, including a receiving box and a feeding box fixedly installed on the top of the receiving box. The feeding box has a semi-circular structure, and a fixed upright plate is fixedly connected to the left side of the surface of the feeding box. The height of the fixed upright plate is less than the height of the feeding box, and a gap is formed between the fixed upright plate and the receiving box. A feeding component is provided on one side of the surface of the fixed upright plate, and a de-core module is provided on the other side of the surface of the fixed upright plate. A rotating disk is rotatably installed on the top of the inner side of the receiving box. The surface of the rotating disk has material grooves arranged in an array. The material grooves are formed by passing through the rotating disk from top to bottom. A clamping component is provided at the bottom of the rotating disk. A rotary motor is fixedly installed at the bottom of the inner side of the receiving box. The output end of the rotary motor is connected to the bottom of the rotating disk through a shaft. The rotary motor is used to drive the rotating disk to rotate. A sorting component is provided on the inner side of the receiving box.

[0007] The pitting module includes a drive motor fixedly mounted on the surface of a fixed upright plate and a pitting component mounted on the left side of the fixed upright plate. A guide transmission component is provided between the pitting component and the fixed upright plate. The guide transmission component is used to transmit the power of the drive motor to the pitting component to pit the jujubes.

[0008] Preferably, the top of the feeding box has a feeding port, and the upper surface of the feeding box is provided with a ramp for guidance in the feeding port, through which the dates are fed into the feeding box.

[0009] Preferably, the feeding assembly includes a mounting strip fixedly installed on a fixed upright plate, with a brush at the lower end of the mounting strip.

[0010] Preferably, the clamping components and the material trough correspond one-to-one. The clamping components include an outer sleeve that is fixedly connected to the bottom of the rotating disk. The outer sleeve and the material trough have the same diameter. Clamping elements are installed on the inner side of the outer sleeve. There are three clamping elements. The top of the clamping elements has a chamfered structure. The three clamping elements can be gathered to form a funnel-shaped clamping opening. The outer surface of the clamping elements and the inner surface of the outer sleeve are both provided with slots. The clamping elements and the outer sleeve are movably connected by an X-shaped elastic element.

[0011] Preferably, the core removal assembly includes a first lower pressure plate, a second lower pressure plate, and a third lower pressure plate. Three positioning rods are fixedly installed in an array on the upper side of the receiving box. The positioning rods are slidably connected to the first lower pressure plate, the second lower pressure plate, and the third lower pressure plate, respectively. Springs are fitted on the outer side of the positioning rods. There are three springs. The upper and lower ends of one spring are fixedly connected to the first lower pressure plate and the second lower pressure plate, respectively. The upper and lower ends of another spring are fixedly connected to the second lower pressure plate and the third lower pressure plate, respectively. The upper and lower ends of yet another spring are fixedly connected to the third lower pressure plate and the receiving box, respectively.

[0012] Preferably, a pitting rod is fixedly connected to the first lower pressure plate, a pitting rod is fixedly connected to the second lower pressure plate, and a pre-pressure rod is fixedly installed on the third lower pressure plate. The pitting rod and the pre-pressure rod are both hollow rods, while the pitting rod is a solid rod. The pitting rod, the pitting rod, and the pre-pressure rod are interlocked. The bottom of the pre-pressure rod is a frustum-shaped structure, and the bottom of the pitting rod is a chamfered structure. When the pitting component is pressed down, the pre-pressure rod presses the jujube tightly and limits its position, while the pitting rod presses down to separate the jujube pit. After pitting, the pre-pressure rod works with the pitting rod to push out the jujube pit and pulp.

[0013] Preferably, the guide transmission assembly includes a first guide plate and a second guide plate installed on both sides of the surface of the fixed upright plate. The surface of the first guide plate is provided with a fixing groove, and the surface of the second guide plate is provided with three guide grooves, which are path guide grooves. Guide posts are fixedly connected to both sides of the rear ends of the first lower pressure plate, the second lower pressure plate and the third lower pressure plate. The guide posts slide in the fixing groove and the guide groove respectively to form a guide, and the sliding of the guide posts causes the first lower pressure plate, the second lower pressure plate and the third lower pressure plate to move up and down along the path of the guide groove.

[0014] Preferably, a limiting groove is formed on one side of the surface of the fixed upright plate, and a limiting post is fixedly connected to the surface of the second guide plate. The limiting post and the limiting groove are slidably connected. The output end of the drive motor extends to the outside of the fixed upright plate and is fixedly connected to a drive disk. The surface of the drive disk and the second guide plate are connected by a connecting rod. The two ends of the connecting rod are rotatably connected to the drive disk and the second guide plate, respectively. The drive motor is used to drive the drive disk to rotate and, under the transmission of the connecting rod, drives the second guide plate to move back and forth along the limiting groove.

[0015] Preferably, the sorting component includes a sorting plate fixedly installed inside the receiving box. The sorting plate has a Y-shaped structure, and a separation hole is opened on the surface of one end of the sorting plate. The separation hole is used to separate the fruit pulp and the date pit. Collection ports are opened on both sides of the surface of the receiving box. The two collection ports are the fruit pulp collection port and the date pit collection port, respectively. The two ends of the sorting plate are sloping surfaces, and the two ends of the sorting plate are adapted to the two collection ports, so that the dates and date pits can be guided to the collection ports respectively.

[0016] The beneficial effects of this utility model are:

[0017] 1. The disc-type clamping and pitting device is provided in which each jujube corresponds to one jujube after being fed into the material. The clamping components facilitate the clamping and limiting of the jujube. During the pitting process, the pre-pressing rod first forms a pressing and limiting force on the jujube, which is convenient to adapt to jujubes of different shapes. This avoids damage to the jujube during processing and reduces the pitting breakage rate.

[0018] 2. This disc-type clamping pitting device is relatively simple in its overall design, suitable for miniaturization of equipment, and convenient for processing jujubes of different sizes. It can automatically feed and pit the jujubes, and separate the pitted jujubes from the jujube pits for separate output, which is convenient for use in small jujube processing plants and improves its practicality. Attached Figure Description

[0019] Figure 1 The diagram shown is a schematic representation of the overall structure of a disc-type clamping and core-removing device according to this utility model. Figure 1 ;

[0020] Figure 2 The diagram shown is a schematic representation of the overall structure of a disc-type clamping and core-removing device according to this utility model. Figure 2 ;

[0021] Figure 3 The diagram shown is a structural schematic of the feeding component of a disc-type clamping and de-peeling device according to this utility model.

[0022] Figure 4 The diagram shown is a schematic diagram of the lower pressure plate structure of a disc-type clamping and core-removing device according to this utility model;

[0023] Figure 5The diagram shown is a schematic representation of the structure of the core removal rod, core insertion rod, and pre-compression rod of a disc-type clamping core removal device according to this utility model.

[0024] Figure 6 The diagram shown is a schematic diagram of the fixed upright plate structure of a disc-type clamping and de-peeling device according to this utility model.

[0025] Figure 7 The diagram shown is a schematic diagram of the rotating disk structure of a disc-type clamping and de-kerneling device according to this utility model.

[0026] Figure 8 The diagram shown is a schematic representation of the outer sleeve and clamping components of a disc-type clamping and core-removing device according to this utility model.

[0027] Figure 9 The diagram shown is a schematic diagram of the receiving box structure of a disc-type clamping and de-core removal device according to this utility model.

[0028] Figure 10 The diagram shown is a schematic diagram of the classification plate structure of a disc-type clamping and core-removing device according to this utility model.

[0029] Explanation of reference numerals in the attached drawings: 1. Receiving box; 2. Fixed upright plate; 21. Mounting strip; 3. Feeding box; 4. Rotary disc; 5. Material trough; 51. Outer sleeve; 52. Clamping element; 53. X-shaped elastic element; 6. Rotary motor; 7. Drive motor; 71. Drive disc; 72. Connecting rod; 8. First lower pressure plate; 81. Core removal rod; 9. Second lower pressure plate; 91. Core insertion rod; 10. Third lower pressure plate; 101. Pre-pressure rod; 1001. Positioning rod; 11. First guide plate; 111. Fixed groove; 12. Second guide plate; 121. Guide groove; 122. Limiting groove; 123. Limiting post; 13. Guide post; 14. Sorting plate. Detailed Implementation

[0030] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0031] Red dates are rich in cyclic adenosine monophosphate and triterpenoids, and have the effects of tonifying the spleen and stomach, replenishing qi and promoting body fluids. The date pit contains sedative components such as betulinic acid, so dates with pits have the effect of nourishing blood and calming the mind. Removing the pit reduces the heat-reducing substances, so dates with pits have the effect of reducing internal heat and promoting body fluids. However, in the processing and production, based on the safety requirements that the date pit has a sharpness of 35-50 HV and is classified as a Class II risk of accidental swallowing by children, and the process adaptation requirements that dates with pits have a lower equipment failure rate in automated production lines, there are more products with pits.

[0032] Meanwhile, the planting and processing of jujubes is also a good industry for rural revitalization. The China Agricultural Products Processing Association released the "White Paper on Jujube Pitting and Processing Industry" in Ruoqiang, Xinjiang. The data shows that the penetration rate of intelligent pitting equipment in China has reached 35%, an increase of 28 percentage points compared with 2020, which has driven the annual output value of the jujube industry to exceed 120 billion yuan. The deep processing of jujubes requires multiple processes, and the processes and equipment used for different jujube products are not entirely the same, but there are also commonalities, such as cleaning equipment, pitting machines, sterilization machines, packaging equipment, etc.

[0033] Since many agricultural products require pitting (core removal) before deep processing, this operation often requires a large amount of labor and is very labor-intensive. Therefore, the mechanization of fruit pitting is an inevitable development trend. Most jujube pitting machines use a pitting rod with a cylindrical pitting end. Although this pitting mechanism has high accuracy, it leads to a significant loss of jujube flesh and damages the appearance and quality of the jujubes. Therefore, for jujube deep processing enterprises, choosing the right equipment is beneficial to ensuring the quality of jujube pitting.

[0034] In the past, pitting jujubes mainly relied on manual labor, which made it difficult to ensure consistent quality and was inefficient and costly, hindering the industry's large-scale, standardized, and industrialized development. However, with the development and widespread application of fully automated jujube pitting machines, this problem has been effectively solved. These machines not only significantly improve pitting efficiency and reduce labor costs, but are also highly praised for their simple operation and highly accurate pitting results.

[0035] As people's living standards improve, their demands for food safety, nutritional value, and taste are also increasing. Red dates, as a fruit with high nutritional value, contain various nutrients such as protein, fat, carbohydrates, vitamins, and minerals. However, because the pits of red dates are hard, they can easily affect the taste and nutritional value. Furthermore, the pitting process is time-consuming and laborious, increasing processing costs. Therefore, researching and developing an efficient and convenient red date pitting machine has significant practical significance and application value.

[0036] Research Plan

[0037] Morphological characteristics and mechanical properties of jujubes were tested. Digital and precise testing methods were used to analyze basic parameters such as the jujube's external dimensions, crown diameter, isometric diameter, ellipticity, and angles, and to test indicators such as hardness, elastic modulus, tensile strength, and color difference.

[0038] Based on an analysis of factors such as the type, shape, size, and firmness of jujubes, a jujube pitting machine was designed and manufactured. By combining centrifugal force, cutting force, and extrusion force, a machine capable of quickly and accurately removing the pits from jujubes was designed.

[0039] Experiments and performance tests were conducted on the core removal machine. Experimental design and other methods were used to test and evaluate the machine's core removal efficiency, core removal rate, and breakage rate, leading to improvements and optimizations.

[0040] Please see Figures 1-10 This utility model provides an embodiment: a disc-type clamping pitting device, including a receiving box 1 and a feeding box 3 fixedly installed on the top of the receiving box 1. The top of the feeding box 3 has a feeding port, and the upper end face of the feeding box 3 is provided with a guide ramp in the feeding port. Jujubes are fed into the feeding box 3 through the feeding port. The feeding box 3 has a semi-circular structure, and a fixing plate 2 is fixedly connected to the left side of the surface of the feeding box 3. The height of the fixing plate 2 is less than the height of the feeding box 3, and a gap is formed between the fixing plate 2 and the receiving box 1. A feeding assembly is provided on one side of the surface of the fixed plate 2, and a core removal module is provided on the other side of the surface of the fixed plate 2. A rotating disk 4 is rotatably installed on the top of the inner side of the receiving box 1. The surface of the rotating disk 4 has material grooves 5 arranged in an array. The material grooves 5 are formed by passing through the rotating disk 4 from top to bottom. A clamping assembly is provided at the bottom of the rotating disk 4. A rotary motor 6 is fixedly installed at the bottom of the inner side of the receiving box 1. The output end of the rotary motor 6 is connected to the bottom of the rotating disk 4 through a shaft. The rotary motor 6 is used to drive the rotating disk 4 to rotate. A sorting assembly is provided on the inner side of the receiving box 1.

[0041] The pitting module includes a drive motor 7 fixedly mounted on the surface of the fixed plate 2 and a pitting component mounted on the left side of the fixed plate 2. A guide transmission component is provided between the pitting component and the fixed plate 2. The guide transmission component is used to transmit the power of the drive motor 7 to the pitting component to pit the jujubes. The jujubes are poured into the feeding box 3 through the feeding port and fall onto the rotating disk 4. The rotating motor 6 drives the rotating disk 4 to rotate, and the jujubes enter the feeding trough 5. The feeding component blocks excess jujubes. Each feeding trough 5 corresponds to one jujube entering, forming a clamping limit, and then the jujubes are transferred to the pitting module to realize the pitting process.

[0042] Please see Figure 3 In this embodiment, the feeding component includes a mounting strip 21 fixedly installed on the fixed upright plate 2. A brush is provided at the lower end of the mounting strip 21. The brush blocks excess dates, and the dates in the feed trough 5 are limited and will not be blocked by the brush, while the dates on the rotating plate 4 are blocked by the brush.

[0043] Please see Figure 6 , Figure 7In this embodiment, the clamping assembly and the material trough 5 correspond one-to-one. The clamping assembly includes an outer sleeve 51 fixedly connected to the bottom of the rotating disk 4. The outer sleeve 51 and the material trough 5 have the same aperture. A clamping member 52 is installed on the inner side of the outer sleeve 51. There are three clamping members 52. The top of the clamping member 52 has a chamfered structure. The three clamping members 52 can be gathered to form a funnel-shaped clamping opening. The outer surface of the clamping member 52 and the inner surface of the outer sleeve 51 are both provided with slots. The clamping member 52 and the outer sleeve 51 are movably connected by an X-shaped elastic member 53. The three clamping members 52 gather at the top to form a funnel groove, which facilitates the limiting of the jujube. The connection of the three clamping members 52 through the X-shaped elastic member 53 gives them room to move. Thus, when the jujube is subjected to force, the clamping members 52 move synchronously, which facilitates clamping and release.

[0044] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 In this embodiment, the core removal assembly includes a first lower pressure plate 8, a second lower pressure plate 9, and a third lower pressure plate 10. Three positioning rods 1001 are fixedly installed in an array on the upper side of the receiving box 1. The positioning rods 1001 are slidably connected to the first lower pressure plate 8, the second lower pressure plate 9, and the third lower pressure plate 10, respectively. Springs are fitted onto the outer sides of the positioning rods 1001. Three springs are provided; the upper and lower ends of one spring are fixedly connected to the first lower pressure plate 8 and the second lower pressure plate 9, respectively; the upper and lower ends of another spring are fixedly connected to the second lower pressure plate 9 and the third lower pressure plate 10, respectively; and the upper and lower ends of yet another spring are fixedly connected to the third lower pressure plate 10 and the receiving box 1, respectively. A core removal rod 81 is fixedly connected to the first lower pressure plate 8, a core insertion rod 91 is fixedly connected to the second lower pressure plate 9, and a pre-removed core is fixedly installed on the third lower pressure plate 10. The pressure rod 101, the pitting rod 91, and the pre-pressure rod 101 are all hollow rods, while the pitting rod 81 is a solid rod. The pitting rod 81, the pitting rod 91, and the pre-pressure rod 101 are interlocked. The bottom of the pre-pressure rod 101 is a frustum-shaped structure, and the bottom of the pitting rod 91 is a chamfered structure. When the pitting assembly is pressed down, the pre-pressure rod 101 presses the jujube tightly and limits its position, while the pitting rod 91 presses down to separate the jujube pit. After pitting, the pre-pressure rod 101 works with the pitting rod 81 to push out the jujube pit and pulp. During the pitting process, the third lower pressure plate 10 is located at the bottom, and the pre-pressure rod 101 first contacts the jujube to form a pressing limit. Then, the pitting rod 91 is inserted into the jujube to separate the jujube pit and pulp. Finally, the three lower pressure plates press down simultaneously, causing the pre-pressure rod 101 and the pitting rod 81 to move down synchronously, pushing the jujube out of the clamping assembly and realizing the ejection of the pulp and jujube pit.

[0045] Please see Figure 3 , Figure 6In this embodiment, the guide transmission assembly includes a first guide plate 11 and a second guide plate 12 mounted on both sides of the surface of the fixed upright plate 2. The surface of the first guide plate 11 has a fixing groove 111, and the surface of the second guide plate 12 has three guide grooves 121, which are path guide grooves. Guide posts 13 are fixedly connected to both sides of the rear ends of the first lower pressure plate 8, the second lower pressure plate 9, and the third lower pressure plate 10. The guide posts 13 slide in the fixing grooves 111 and guide grooves 121 respectively to form a guide, and the sliding of the guide posts 13 causes the first lower pressure plate 8, the second lower pressure plate 9, and the third lower pressure plate 10 to move up and down along the path of the guide grooves 121. A limit groove 122 is formed on one side of the surface of the fixed upright plate 2. The surface of the second guide plate 12 is fixed... A fixed connection is established with a limiting post 123, which is slidably connected to a limiting groove 122. The output end of the drive motor 7 extends to the outside of the fixed upright plate 2 and is fixedly connected to a drive disk 71. The surface of the drive disk 71 is connected to the second guide plate 12 via a connecting rod 72. The two ends of the connecting rod 72 are rotatably connected to the drive disk 71 and the second guide plate 12, respectively. The drive motor 7 is used to drive the drive disk 71 to rotate, and under the transmission of the connecting rod 72, it drives the second guide plate 12 to move back and forth along the limiting groove 122. The drive motor 7 drives the drive disk 71 to rotate, and under the connection of the connecting rod 72, it drives the second guide plate 12 to move laterally. At this time, the path of the guide groove 121 makes the movement distance of the three lower pressure plates different, thereby driving the core removal process.

[0046] Please see Figure 9 and Figure 10 In this embodiment, the sorting component includes a sorting plate 14 fixedly installed inside the receiving box 1. The sorting plate 14 has a Y-shaped structure. A separation hole is opened on the surface of one end of the sorting plate 14. The separation hole is used to separate the pulp and the pit. Collection ports are opened on both sides of the surface of the receiving box 1. The two collection ports are the pulp collection port and the pit collection port, respectively. The two ends of the sorting plate 14 are sloping surfaces, and the two ends of the sorting plate 14 are adapted to the two collection ports, so that the jujubes and pits can be guided to the collection ports respectively. The pitted pulp and pits enter the receiving box 1 and fall on the sorting plate 14. The separation hole separates the pulp and pits. The pits enter the bottom and slide down to one side of the collection port, while the pulp naturally slides down to the other side of the collection port.

[0047] During operation, jujubes are fed through the feeding box 3 and fall onto the rotating disk 4. A brush then feeds the jujubes into the feeding troughs 5, with each trough 5 corresponding to one jujube. As the rotating motor 6 drives the rotating disk 4 to rotate, the side of the rotating disk 4 that has completed feeding is fed into the pitting module. At this time, the drive motor 7 drives the drive disk 71 to rotate, and the connecting rod 72 moves the second guide plate 12. The path of the guide groove 121 causes the three lower pressure plates to move different distances, resulting in the three lower pressure plates moving downwards sequentially, causing the pitting rod 81 and the insert... The pitting rod 91 and the pre-pressing rod 101 move down to remove the pit. The pre-pressing rod 101 presses the jujube tightly and limits its position, while the pitting rod 91 presses down to separate the pit. After pitting, the pre-pressing rod 101, together with the pitting rod 81, pushes out the pit and pulp. The spring connection facilitates the reset of the three lower pressure plates, thus forming a reciprocating motion for easy processing. Finally, the pitted pulp and jujube pit enter the receiving box 1 and fall onto the sorting plate 14. The separation hole separates the pulp and jujube pit. The jujube pit enters the bottom and slides down to one side of the collection port, while the pulp naturally slides down to the other side of the collection port.

[0048] Through the above steps, the jujubes are poured into the feeding box 3 through the feeding port and fall onto the rotating plate 4. The rotating motor 6 drives the rotating plate 4 to rotate, and the jujubes enter the feeding trough 5. The feeding component blocks excess jujubes, and each feeding trough 5 corresponds to one jujube, forming a clamping limit. The jujubes are then transferred to the pitting module to complete the pitting process. This solves the problem that in the existing jujube pitting process, some jujubes are easily damaged during pitting, which greatly limits the improvement of production efficiency and product quality.

Claims

1. A disc type pinch de-coring device comprising a receiving box (1), characterized in that: It also includes a loading box (3) fixedly installed on the top of the receiving box (1). The loading box (3) has a semi-circular structure, and a fixed upright plate (2) is fixedly connected to the left side of the surface of the loading box (3). The height of the fixed upright plate (2) is less than the height of the loading box (3), and a gap is formed between the fixed upright plate (2) and the receiving box (1). A loading component is provided on one side of the surface of the fixed upright plate (2), and a core removal module is provided on the other side of the surface of the fixed upright plate (2). The top of the inside of the receiving box (1) A rotating disk (4) is rotatably mounted. The surface of the rotating disk (4) is provided with an array of material grooves (5). The material grooves (5) are formed by passing through the rotating disk (4) from top to bottom. A clamping component is provided at the bottom of the rotating disk (4). A rotary motor (6) is fixedly mounted on the bottom of the inner side of the receiving box (1). The output end of the rotary motor (6) is connected to the bottom of the rotating disk (4) through a shaft. The rotary motor (6) is used to drive the rotating disk (4) to rotate. A sorting component is provided on the inner side of the receiving box (1). The pitting module includes a drive motor (7) fixedly installed on the surface of the fixed plate (2) and a pitting component installed on the left side of the fixed plate (2). A guide transmission component is provided between the pitting component and the fixed plate (2). The guide transmission component is used to transmit the power of the drive motor (7) to the pitting component to pit the jujube.

2. The disc-type clamping and core-removing device according to claim 1, characterized in that: The top of the feeding box (3) is provided with a feeding port, and the upper end face of the feeding box (3) is provided with a ramp for guidance in the feeding port. Jujubes are put into the feeding box (3) through the feeding port.

3. The disc-type clamping and core-removing device according to claim 1, characterized in that: The feeding assembly includes a mounting strip (21) fixedly installed on the fixed upright plate (2), and a brush is provided at the lower end of the mounting strip (21).

4. The disc-type clamping and core-removing device according to claim 1, characterized in that: The clamping assembly and the material trough (5) correspond one-to-one. The clamping assembly includes an outer sleeve (51) that is fixedly connected to the bottom of the rotating disk (4). The outer sleeve (51) and the material trough (5) have the same diameter. A clamping member (52) is installed on the inner side of the outer sleeve (51). There are three clamping members (52). The top of the clamping member (52) is a chamfered structure. The three clamping members (52) can be gathered to form a funnel-shaped clamping opening. The outer surface of the clamping member (52) and the inner surface of the outer sleeve (51) are both provided with slots. The clamping member (52) and the outer sleeve (51) are movably connected by an X-shaped elastic member (53).

5. The disc-type clamping and core-removing device according to claim 1, characterized in that: The core removal assembly includes a first lower pressure plate (8), a second lower pressure plate (9), and a third lower pressure plate (10). Three positioning rods (1001) are fixedly installed in an array on the upper side of the receiving box (1). The positioning rods (1001) are slidably connected to the first lower pressure plate (8), the second lower pressure plate (9), and the third lower pressure plate (10), respectively. Springs are fitted on the outer side of the positioning rods (1001). There are three springs. The upper and lower ends of one spring are fixedly connected to the first lower pressure plate (8) and the second lower pressure plate (9), respectively. The upper and lower ends of another spring are fixedly connected to the second lower pressure plate (9) and the third lower pressure plate (10), respectively. The upper and lower ends of yet another spring are fixedly connected to the third lower pressure plate (10) and the receiving box (1), respectively.

6. The disc-type clamping and core-removing device according to claim 5, characterized in that: A pitting rod (81) is fixedly connected to the first lower pressure plate (8), a pitting rod (91) is fixedly connected to the second lower pressure plate (9), and a pre-pressure rod (101) is fixedly installed on the third lower pressure plate (10). The pitting rod (91) and the pre-pressure rod (101) are both hollow rods, while the pitting rod (81) is a solid rod. The pitting rod (81), the pitting rod (91), and the pre-pressure rod (101) are interlocked. The bottom of the pre-pressure rod (101) is a frustum-shaped structure, and the bottom of the pitting rod (91) is a chamfered structure. When the pitting assembly is pressed down, the pre-pressure rod (101) presses the jujube tightly and limits its position, while the pitting rod (91) presses down to separate the jujube pit. After pitting, the pre-pressure rod (101) works with the pitting rod (81) to push out the jujube pit and pulp.

7. A disc-type clamping and core-removing device according to claim 6, characterized in that: The guide transmission assembly includes a first guide plate (11) and a second guide plate (12) installed on both sides of the surface of the fixed plate (2). The surface of the first guide plate (11) is provided with a fixed groove (111), and the surface of the second guide plate (12) is provided with three guide grooves (121). The guide grooves (121) are path guide grooves. The rear ends of the first lower pressure plate (8), the second lower pressure plate (9) and the third lower pressure plate (10) are all fixedly connected with guide posts (13). The guide posts (13) are located in the fixed groove (111) and the guide grooves (121) respectively and slide to form a guide. The sliding of the guide posts (13) causes the first lower pressure plate (8), the second lower pressure plate (9) and the third lower pressure plate (10) to move up and down along the path of the guide grooves (121).

8. The disc-type clamping and core-removing device according to claim 7, characterized in that: A limiting groove (122) is provided on one side of the surface of the fixed upright plate (2). A limiting post (123) is fixedly connected to the surface of the second guide plate (12). The limiting post (123) and the limiting groove (122) are slidably connected. The output end of the drive motor (7) extends to the outside of the fixed upright plate (2) and is fixedly connected to the drive disk (71). The surface of the drive disk (71) and the second guide plate (12) are connected by a connecting rod (72). The two ends of the connecting rod (72) are rotatably connected to the drive disk (71) and the second guide plate (12) respectively. The drive motor (7) is used to drive the drive disk (71) to rotate and, under the transmission of the connecting rod (72), drive the second guide plate (12) to move back and forth along the limiting groove (122).

9. A disc-type clamping and core-removing device according to claim 7, characterized in that: The sorting component includes a sorting plate (14) fixedly installed inside the receiving box (1). The sorting plate (14) has a Y-shaped structure. A separation hole is opened on the surface of one end of the sorting plate (14). The separation hole is used to separate the pulp and the pit. Collection ports are opened on both sides of the surface of the receiving box (1). The two collection ports are the pulp collection port and the pit collection port, respectively. The two ends of the sorting plate (14) are sloping surfaces, and the two ends of the sorting plate (14) are adapted to the two collection ports, so that the jujubes and pits can be guided to the collection ports respectively.