Screening device for pearl processing
By employing multiple screening plates and drive components in the pearl processing device, efficient pearl screening is achieved, solving the problem of incomplete pearl screening and improving screening accuracy and efficiency.
Patent Information
- Application Number
- CN202520489680.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-20
AI Technical Summary
In existing pearl processing equipment, incomplete screening of pearls leads to a decrease in screening accuracy, and unscreened pearls fly directly out of the collection port.
The design employs multiple screening plates, with the mesh size of each plate decreasing sequentially from top to bottom. The screening plates are rotated in both directions via a drive assembly, ensuring that the feeding, screening, and discharging of pearls occur simultaneously and continuously.
It improves the screening efficiency of pearls, avoids pearl accumulation and blockage of the discharge port, ensures smooth discharge of pearls, and improves screening accuracy and efficiency.
Smart Images

Figure CN223946182U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pearl processing technical field especially is a kind of screening device for pearl processing. BACKGROUND
[0002] Pearl is an ancient organic gem, mainly in pearl shell and pearl oyster class mollusk body, and due to endocrine effect and the mineral (aragonite) bead containing calcium carbonate generated by a large number of small aragonite crystal collection, it is rich in variety, shape is different, color is multicolored, and pearl industry is our traditional characteristic industry, in recent years, China's annual output of pearl is more than 2000 tons, while pearl shape is different, and the value is different.
[0003] The Chinese patent with publication number CN213700745U discloses a pearl processing screening device, relating to the technical field of pearl processing, comprising a feed bin, a collection port, a screening box and support legs, the top of the screening box is fixedly connected with the feed bin, the bottom of the feed bin is fixedly connected with a feed pipe, the outer wall of the screening box is provided with a collection port, the inner wall of the screening box is fixedly connected with a partition plate, the bottom end of the feed pipe penetrates through the bottom of the partition plate, the top of the partition plate is fixedly installed with a motor, and the inner wall of the screening box is fixedly installed with a pushing mechanism. The utility model discloses a motor and a curved wheel disc are arranged, the motor drives the curved wheel disc, the curved wheel disc drives the connecting rod to shake up and down, the fixed block and the hinge rod are arranged to make the first screen mesh and the second screen mesh shake up and down, so as to screen the pearls, and the mesh diameters of the first screen mesh and the second screen mesh are different, so as to screen pearls of different diameters, and the screening efficiency is effectively improved.
[0004] However, in the above-mentioned patent, when the pearls pass through the screen, the pearls are not completely screened, resulting in the unsorted pearls flying directly out of the collection port, which reduces the screening accuracy of the pearls. UTILITY MODEL CONTENTS
[0005] (I) Technical problem solved
[0006] In view of the deficiencies of the prior art, the utility model provides a pearl processing screening device to solve the problems mentioned in the above background.
[0007] (II) Technical scheme
[0008] To achieve the above object, the utility model provides the following technical scheme: A screening device for pearl processing, including the shell, a plurality of circular cavities are opened in the shell, a plurality of circular cavities are interconnected, each circular cavity is rotatably connected with the screening board, two discharge gates are opened symmetrically in each circular cavity, the shell outer wall is fixedly connected with the drive assembly, the drive assembly is used for controlling the synchronous rotation of a plurality of screening boards, the discharge gate is clamped with the screen.
[0009] Preferably, the drive assembly includes a drive motor and a plurality of connecting shafts, the connecting shafts are fixedly connected with the screening boards at corresponding positions, the connecting shafts are connected through a belt wheel and a belt, and the output shaft of the drive motor is fixedly connected with one of the connecting shafts.
[0010] Preferably, the caliber size of the grids on the plurality of screening boards decreases from top to bottom.
[0011] Preferably, the caliber size of the grids on the plurality of screening boards decreases from top to bottom.
[0012] Beneficial effects
[0013] The utility model provides a screening device for pearl processing has the following beneficial effects:
[0014] The plurality of screening boards rotate in a forward and reverse reciprocating manner, the rotating action of the screening boards can improve the rolling efficiency of the pearls, thereby improving the screening rate, and the rotating action of the screening boards can avoid the accumulation and blockage of a large number of pearls in the discharge gate, ensuring that the pearls can be smoothly discharged along the discharge gate, and the feeding, screening and discharging of the pearls can be simultaneously and continuously performed, thereby improving the efficiency of pearl screening. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is overall structure plane schematic view of the utility model;
[0016] Figure 2 It is overall structure cross section schematic view of the utility model;
[0017] Figure 3 It is screening board rotation schematic view of the utility model;
[0018] Figure 4 It is connecting shaft plane schematic view of the utility model;
[0019] Figure 5 It is Figure 2 Enlarged view of A in the figure.
[0020] In the figure: 1, shell; 2, circular cavity; 201, screening board; 202, discharge gate; 203, screen; 3, drive motor; 301, connecting shaft. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0022] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0023] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, so that the features with "first" and "second" can explicitly or implicitly include one or more of the features, and in the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly and specifically limited.
[0024] Embodiments
[0025] As shown in Figures 1-5 The present application provides a screening device for pearl processing, which comprises a shell 1, a plurality of circular cavities 2 are formed in the shell 1, the plurality of circular cavities 2 are in communication with each other, a screening plate 201 is rotatably connected in each circular cavity 2, two discharge ports 202 are symmetrically formed in each circular cavity 2, a driving assembly is fixedly connected to the outer wall of the shell 1, the driving assembly is used for controlling the synchronous rotation of the plurality of screening plates 201, and a screen 203 is clamped in each discharge port 202.
[0026] The caliber size of the grid on the plurality of screening plates 201 decreases from top to bottom.
[0027] The caliber size of the grid on the plurality of screening plates 201 decreases from top to bottom.
[0028] Specifically: the pearl is imported into the circular cavity 2 from the top of the shell 1, the screening plate 201 screens the pearl, the pearl larger than the grid caliber is discharged through the screen 203 in the two side discharge ports 202, and the pearl smaller than the grid caliber flows downward and enters the next screening plate 201 to be screened again.
[0029] The driving assembly is used for controlling the multiple screening plates 201 to rotate in a forward and reverse reciprocating mode, the rotating action of the screening plate 201 can improve the rolling efficiency of the pearl, thereby improving the screening rate, and the rotating action of the screening plate 201 can avoid the accumulation and blockage of a large amount of pearls in the discharge port 202, so that the pearls can be smoothly discharged along the discharge port 202.
[0030] It can be understood that the feeding, screening and discharging of the pearls can be simultaneously and continuously carried out, so as to improve the screening efficiency of the pearls.
[0031] The driving assembly comprises a driving motor 3 and multiple connecting shafts 301, the connecting shaft 301 is fixedly connected with the screening plate 201 at the corresponding position, the multiple connecting shafts 301 are connected through a belt wheel and a belt, the output shaft of the driving motor 3 is fixedly connected with one of the connecting shafts 301, the driving motor 3 drives one of the connecting shafts 301 to rotate in a forward and reverse reciprocating mode, and the synchronous rotation of the multiple connecting shafts 301 and the screening plates 201 is realized through the belt wheel and the belt.
[0032] The utility model discloses a pearl screening device, which comprises a shell 1, a circular cavity 2 is arranged in the shell 1, a plurality of screening plates 201 are arranged in the circular cavity 2, and a plurality of discharge ports 202 are arranged on the two sides of the screening plate 201.
[0033] The driving assembly is used for controlling the multiple screening plates 201 to rotate in a forward and reverse reciprocating mode, the rotating action of the screening plate 201 can improve the rolling efficiency of the pearl, thereby improving the screening rate, and the rotating action of the screening plate 201 can avoid the accumulation and blockage of a large amount of pearls in the discharge port 202, so that the pearls can be smoothly discharged along the discharge port 202.
[0034] It should be noted that, in this text, relational terms such as first and second are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device.
[0035] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A screening device for pearl processing comprising a housing (1), characterized in that: A plurality of circular cavities (2) are arranged in the shell (1), the plurality of circular cavities (2) are communicated with each other, a screening plate (201) is rotatably connected in each of the circular cavities (2), two discharge ports (202) are symmetrically arranged in each of the circular cavities (2), a driving assembly is fixedly connected to the outer wall of the shell (1), the driving assembly is used for controlling the synchronous rotation of the plurality of screening plates (201), and a screen (203) is clamped in each of the discharge ports (202).
2. A screening device for pearl processing according to claim 1, characterized in that: The driving assembly comprises a driving motor (3) and a plurality of connecting shafts (301), the connecting shaft (301) is fixedly connected with the screening plate (201) at a corresponding position, the plurality of connecting shafts (301) are connected through a belt wheel and a belt, and the output shaft of the driving motor (3) is fixedly connected with one of the connecting shafts (301).
3. The screening device for pearl processing according to claim 1, characterized in that: The size of the mesh of the plurality of screening plates (201) decreases from top to bottom.
4. The screening device for pearl processing according to claim 1, characterized in that: The size of the mesh of the plurality of screening plates (201) decreases from top to bottom.
Citation Information
Patent Citations
Screening device for pearl processing
CN213700745U