A stone sorting device

By designing a stone sorting device, which combines vibration screening and visual recognition with multi-stage screening, the automated sorting of crushed stone is realized. This solves the problem of low sorting efficiency in existing technologies, improves sorting efficiency, and promotes the reuse of crushed stone.

CN224372117UActive Publication Date: 2026-06-19GUANGDONG STONE CHAIN TECH DEV CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG STONE CHAIN TECH DEV CO LTD
Filing Date
2025-05-09
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

The current stone processing method has low efficiency in sorting crushed stone, relies on manual operation, and cannot efficiently classify and utilize it.

Method used

Design a stone sorting device, including a vibrating screening mechanism, a conveyor belt, a visual recognition mechanism, and a sorting unit. The vibrating screening mechanism is used for preliminary sorting, the visual recognition mechanism identifies large stone pieces, and the multi-level grading screening mechanism performs fine classification, ultimately achieving automated sorting.

Benefits of technology

It has achieved automated sorting of crushed stone, improved sorting efficiency, saved labor costs, and can classify crushed stone according to specifications, thus promoting the reuse of crushed stone.

✦ Generated by Eureka AI based on patent content.

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Abstract

A stone sorting device includes a vibrating screening mechanism, a conveyor belt, a visual recognition mechanism, and a sorting unit. The vibrating screening mechanism is located at the head end of the conveyor belt, and the visual recognition mechanism is installed above the front end of the conveyor belt. The sorting unit includes a push-rod sorting mechanism, several grading screening mechanisms, and a waste collection bin. The push-rod sorting mechanism is installed on the conveyor belt and below the visual recognition mechanism. The several grading screening mechanisms are arranged sequentially in the middle of the conveyor belt, with their screening heights ranging from high to low. The waste collection bin is located at the tail end of the conveyor belt. This device can sort and classify crushed stone of different sizes for subsequent processing according to specifications, while saving manual sorting and effectively improving sorting efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of stone processing technology, specifically a stone sorting device. Background Technology

[0002] Stone chips and scraps generated during stone processing can be reused. Stone chips are the core raw material for manufacturing artificial stone. By crushing the stone chips and mixing them with resin, countertop slabs can be formed. Compared with high-cost natural stone, stone-based artificial stone is cheaper and can be sorted for different slab performance requirements, providing diversity for subsequent processing. Currently, sorting is mainly done manually, which is inefficient. Therefore, we propose a stone sorting device to improve efficiency and promote the reuse of stone chips. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a stone sorting device, which can effectively solve the problems mentioned in the background art.

[0004] To solve the above problems, the technical solution adopted by this utility model is: a stone sorting device, including a vibrating screening mechanism, a conveyor belt, a visual recognition mechanism, and a sorting unit, characterized in that the vibrating screening mechanism is located at the head end of the conveyor belt, and the visual recognition mechanism is installed above the front end of the conveyor belt; the sorting unit includes a push rod sorting mechanism, several grading screening mechanisms, and a waste collection box; the push rod sorting mechanism is installed on the conveyor belt and located below the visual recognition mechanism; the several grading screening mechanisms are arranged sequentially in the middle of the conveyor belt, and the screening height of the several grading screening mechanisms is set from high to low; the waste collection box is located at the tail end of the conveyor belt.

[0005] As a further preferred embodiment of this utility model, the vibrating screening mechanism includes a base, a movable seat, a motor, a counterweight, and a screening platform; the movable seat is mounted on the base and is slidably connected to the base; a first spring is provided between the movable seat and the base; the motor is embedded in the movable seat, and the output end of the motor is engaged with the counterweight; the screening platform is mounted above the movable seat.

[0006] As a further preferred embodiment of this utility model, the movable seat includes a longitudinally moving seat and a transversely moving seat; the transversely moving seat has a slot in the middle, the longitudinally moving seat is placed in the slot, and the transversely moving seat is provided with a vertical slide rod that is slidably connected to the longitudinally moving seat, and the longitudinally moving seat has a corresponding sliding hole; a second spring is provided between the longitudinally moving seat and the transversely moving seat; transverse slide rods are provided on both sides of the transversely moving seat that are slidably connected to the base, the base has a corresponding sliding hole, and the first spring is located between the transversely moving seat and the base; the screening platform is installed on the top of the longitudinally moving seat; the motor is embedded in the longitudinally moving seat.

[0007] As a further preferred embodiment of this utility model, the screening platform has two built-in storage drawers; two sieves of different specifications are correspondingly arranged above the two storage drawers; the two sieves are embedded in the top of the screening platform.

[0008] As a further preferred embodiment of this utility model, two motors and counterweights are provided, which are symmetrically arranged on the longitudinal moving seat.

[0009] As a further preferred embodiment of this utility model, the pusher sorting mechanism includes a pusher, a cylinder, and a large item collection box; the pusher is installed at the output end of the cylinder; the cylinder and the large item collection box are symmetrically arranged on both sides of the conveyor belt.

[0010] As a further preferred embodiment of this utility model, the graded screening mechanism is provided in three groups, which are arranged in sequence as a first graded screening mechanism, a second graded screening mechanism and a third graded screening mechanism.

[0011] The first grading and screening mechanism includes a first motor, a first screening baffle, and a first collection box; the first motor and the first collection box are installed on one side of the conveyor belt; the first screening baffle is installed at the output end of the first motor;

[0012] The second grading and screening mechanism includes a second motor, a second screening baffle, and a second collection box; the second motor and the second collection box are installed on one side of the conveyor belt; the second screening baffle is installed at the output end of the second motor;

[0013] The third grading and screening mechanism includes a third motor, a third screening baffle, and a third collection box; the third motor and the third collection box are installed on one side of the conveyor belt; the third screening baffle is installed at the output end of the third motor.

[0014] As a further preferred embodiment of this utility model, the gap between the first screening baffle and the conveyor belt is higher than that between the second screening baffle and the conveyor belt; the gap between the second screening baffle and the conveyor belt is higher than that between the third screening baffle.

[0015] As a further preferred embodiment of the present invention, the visual recognition mechanism includes a frame and a 3D laser scanner; the frame is mounted on a conveyor belt, and the 3D laser scanner is mounted on top of the frame.

[0016] Compared with the prior art, the present invention provides a stone sorting device, which has the following beneficial effects:

[0017] This device can sort and classify gravel of different sizes for subsequent processing according to specifications, while saving manual sorting and effectively improving sorting efficiency. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 A schematic diagram of the oscillation screening mechanism. Figure 1 ;

[0020] Figure 3 A schematic diagram of the oscillation screening mechanism. Figure 2 ;

[0021] Figure 4 This is a schematic diagram of part of the structure of this utility model;

[0022] Figure 5 This is a partially enlarged schematic diagram of the structure of this utility model;

[0023] The components include: 1. Vibrating screening mechanism; 1-1. Base; 1-2. Movable seat; 1-21. Vertical moving seat; 1-22. Horizontal moving seat; 1-221. Vertical slide bar; 1-222. Horizontal slide bar; 1-3. Motor; 1-4. Counterweight; 1-5. Screening platform; 1-51. Storage drawer; 1-52. Screen; 1-6. First spring; 1-7. Second spring; 2. Conveyor belt; 3. Visual recognition mechanism; 3-1. Stand; 3-2. 3D laser scanner; 4. Push rod sorting mechanism; 4- 1. Pusher; 4-2. Cylinder; 4-3. Large Component Collection Box; 5. Grading and Screening Mechanism; 5-1. First Grading and Screening Mechanism; 5-11. First Motor; 5-12. First Screening Baffle; 5-13. First Collection Box; 5-2. Second Grading and Screening Mechanism; 5-21. Second Motor; 5-22. Second Screening Baffle; 5-23. Second Collection Box; 5-3. Third Grading and Screening Mechanism; 5-31. Third Motor; 5-32. Third Screening Baffle; 5-33. Third Collection Box; 6. Waste Collection Box. Detailed Implementation

[0024] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0025] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second", such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated.

[0026] In addition, if "and / or" or "and / or" appears in the text, it means three parallel options. For example, "A and / or B" includes option A, option B, or option A and B are satisfied at the same time.

[0027] Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0028] Reference Figure 1-5 This utility model provides a stone sorting device, including a vibrating screening mechanism 1, a conveyor belt 2, a visual recognition mechanism 3, and a sorting unit. The vibrating screening mechanism 1 is located at the head end of the conveyor belt 2, and the visual recognition mechanism 3 is installed above the front end of the conveyor belt 2. The sorting unit includes a pusher sorting mechanism 4, several grading screening mechanisms 5, and a waste collection box 6. The pusher sorting mechanism 4 is installed on the conveyor belt 2 and located below the visual recognition mechanism 3. The several grading screening mechanisms 5 are arranged sequentially in the middle of the conveyor belt 2, and the screening height of the several grading screening mechanisms 5 is set from high to low. The waste collection box 6 is located at the tail end of the conveyor belt 2.

[0029] As a further preferred embodiment of this utility model, the vibrating screening mechanism 1 includes a base 1-1, a movable seat 1-2, a motor 1-3, a counterweight 1-4, and a screening platform 1-5; the movable seat 1-2 is mounted on the base 1-1 and is slidably connected to the base 1-1; a first spring 1-6 is provided between the movable seat 1-2 and the base 1-1; the motor 1-3 is embedded in the movable seat 1-2, and the output end of the motor 1-3 is engaged with the counterweight 1-4; the screening platform 1-5 is mounted above the movable seat 1-2.

[0030] As a further preferred embodiment of this utility model, the movable seat 1-2 includes a longitudinal moving seat 1-21 and a transverse moving seat 1-22; the transverse moving seat 1-22 has a groove in the middle, the longitudinal moving seat 1-21 is placed in the groove, and the transverse moving seat 1-22 is provided with a vertical slide rod 1-221 that is slidably connected to the longitudinal moving seat 1-21, and the longitudinal moving seat 1-21 has a corresponding sliding hole; a second spring 1-7 is provided between the longitudinal moving seat 1-21 and the transverse moving seat 1-22 for resetting after movement; transverse slide rods 1-222 are provided on both sides of the transverse moving seat 1-22 and are slidably connected to the base 1-1, the base 1-1 has a corresponding sliding hole, and the first spring 1-6 is located between the transverse moving seat 1-22 and the base 1-1 for resetting after movement; the screening platform 1-5 is installed on the top of the longitudinal moving seat 1-21; the motor 1-3 is embedded in the longitudinal moving seat 1-21.

[0031] As a further preferred embodiment of this utility model, the screening platform 1-5 has two built-in storage drawers 1-51; two screens 1-52 of different specifications are correspondingly arranged above the two storage drawers 1-51; the two screens 1-52 are embedded in the top of the screening platform 1-5.

[0032] As a further preferred embodiment of this utility model, two motors 1-3 and two counterweights 1-4 are provided, which are symmetrically arranged on the longitudinal moving seat 1-21.

[0033] As a further preferred embodiment of this utility model, the pusher sorting mechanism 4 includes a pusher 4-1, a cylinder 4-2, and a large item collection box 4-3; the pusher 4-1 is installed at the output end of the cylinder 4-2; the cylinder 4-2 and the large item collection box 4-3 are symmetrically arranged on both sides of the conveyor belt 2.

[0034] As a further preferred embodiment of this utility model, the graded screening mechanism 5 is provided in three groups, which are arranged in sequence as the first graded screening mechanism 5-1, the second graded screening mechanism 5-2 and the third graded screening mechanism 5-3;

[0035] The first grading and screening mechanism 5-1 includes a first motor 5-11, a first screening baffle 5-12, and a first collection box 5-13; the first motor 5-11 and the first collection box 5-13 are installed on one side of the conveyor belt 2; the first screening baffle 5-12 is installed at the output end of the first motor 5-11;

[0036] The second grading and screening mechanism 5-2 includes a second motor 5-21, a second screening baffle 5-22, and a second collection box 5-23; the second motor 5-21 and the second collection box 5-23 are installed on one side of the conveyor belt 2; the second screening baffle 5-22 is installed at the output end of the second motor 5-21;

[0037] The third grading and screening mechanism 5-3 includes a third motor 5-31, a third screening baffle 5-32, and a third collection box 5-33; the third motor 5-31 and the third collection box 5-33 are installed on one side of the conveyor belt 2; the third screening baffle 5-32 is installed at the output end of the third motor 5-31.

[0038] As a further preferred embodiment of this utility model, the gap between the first screening baffle 5-12 and the conveyor belt is higher than that between the second screening baffle 5-22 and the conveyor belt; the gap between the second screening baffle 5-22 and the conveyor belt is higher than that between the third screening baffle 5-32.

[0039] As a further preferred embodiment of the present invention, the visual recognition mechanism 3 includes a frame 3-1 and a 3D laser scanner 3-2; the frame 3-1 is mounted on the conveyor belt 2, and the 3D laser scanner 3-2 is mounted on the top of the frame 3-1.

[0040] As a specific embodiment of this utility model: Stone fragments are first poured into the vibrating screening mechanism 1. The lateral and longitudinal composite vibrations generated by the eccentric counterweight 1-4 driven by the motor 1-3, combined with the screen 1-52 built into the screening platform 1-5, perform preliminary particle size sorting of the stone fragments. Oversized fragments or impurities fall into the lower storage drawer 1-51. After preliminary sorting, the stone fragments fall onto the conveyor belt and are transported by it. Subsequently, the stone fragments on the conveyor belt are scanned in real time by the front-end visual recognition mechanism 3 to determine if there are large stone fragments. The definition of large stone fragments can be customized by the user to set the recognition size range. When a large stone fragment is detected, the pusher sorting mechanism 4 activates the cylinder 4-2 to cause the pusher 4-1 to... Large stones are pushed horizontally into the large stone collection box, completing the initial screening of large stones. Stones that are not identified continue to be conveyed to the middle multi-stage screening area, passing through three screening barriers of decreasing height (the first screening barrier 5-12 has the largest gap, and the third screening barrier 5-13 has the smallest gap; the gap height can be adjusted according to actual usage needs). Utilizing the stone's own weight and the speed of conveyor belt 2, stones of different sizes are intercepted by the barriers and fall into the corresponding collection boxes (the first collection box 5-13 to the third collection box 5-33 are graded by size). Finally, smaller stones pass through the third screening barrier 5-13 and slide into the waste collection box 6 at the end of conveyor belt 2, completing the screening.

[0041] As needed, the above-mentioned installation, setting, or connection methods include, but are not limited to, screws, riveting, welding or sleeve, fixing, etc. The installation, setting, or connection method shall be selected according to the working scenario.

[0042] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A stone sorting device comprising a shaking and sieving mechanism (1), a conveyor belt (2), a visual recognition mechanism (3) and a sorting unit, characterized in that, The oscillating screening mechanism (1) is located at the head end of the conveyor belt (2), and the visual recognition mechanism (3) is installed above the front end of the conveyor belt (2). The sorting unit includes a push rod sorting mechanism (4), several grading screening mechanisms (5), and a waste collection box (6). The push rod sorting mechanism (4) is installed on the conveyor belt (2) and located below the visual recognition mechanism (3). The several grading screening mechanisms (5) are arranged sequentially in the middle of the conveyor belt (2), and the several grading screening mechanisms (5) are set with screening heights from high to low. The waste collection box (6) is located at the tail end of the conveyor belt (2).

2. The stone sorting device of claim 1, wherein, The vibrating screening mechanism (1) includes a base (1-1), a movable seat (1-2), a motor (1-3), a counterweight (1-4), and a screening platform (1-5); the movable seat (1-2) is mounted on the base (1-1), and the movable seat (1-2) is slidably connected to the base (1-1); a first spring (1-6) is provided between the movable seat (1-2) and the base (1-1); the motor (1-3) is embedded in the movable seat (1-2), and the output end of the motor (1-3) is engaged with the counterweight (1-4); the screening platform (1-5) is mounted above the movable seat (1-2).

3. The stone sorting device according to claim 2, characterized in that, The movable seat (1-2) includes a longitudinally movable seat (1-21) and a transversely movable seat (1-22); the transversely movable seat (1-22) has a slot in the middle, the longitudinally movable seat (1-21) is placed in the slot, and the transversely movable seat (1-22) is provided with a vertical slide rod (1-221) that is slidably connected to the longitudinally movable seat (1-21), the longitudinally movable seat (1-21) is provided with a corresponding sliding hole; the longitudinally movable seat (1-21) and the transversely movable seat (1-22) A second spring (1-7) is provided between the transverse moving seat (1-22); transverse sliding rods (1-222) are provided on both sides of the transverse moving seat (1-22) and are slidably connected to the base (1-1), the base (1-1) is provided with corresponding sliding holes, and the first spring (1-6) is located between the transverse moving seat (1-22) and the base (1-1); the screening platform (1-5) is installed on the top of the longitudinal moving seat (1-21); the motor (1-3) is embedded in the longitudinal moving seat (1-21).

4. The stone sorting device according to claim 3, characterized in that, The screening platform (1-5) has two built-in storage drawers (1-51); two sieves (1-52) of different specifications are set above the two storage drawers (1-51); the two sieves (1-52) are embedded in the top of the screening platform (1-5).

5. The stone sorting device according to claim 3, characterized in that, Two motors (1-3) and two counterweights (1-4) are provided, which are symmetrically arranged on the longitudinal moving seat (1-21).

6. The stone sorting device according to claim 1, characterized in that, The pusher sorting mechanism (4) includes a pusher (4-1), a cylinder (4-2), and a large item collection box (4-3); the pusher (4-1) is installed at the output end of the cylinder (4-2); the cylinder (4-2) and the large item collection box (4-3) are symmetrically arranged on both sides of the conveyor belt (2).

7. The stone sorting device according to claim 1, characterized in that, The graded screening mechanism (5) is provided in three groups, which are arranged in sequence as the first graded screening mechanism (5-1), the second graded screening mechanism (5-2) and the third graded screening mechanism (5-3); The first grading and screening mechanism (5-1) includes a first motor (5-11), a first screening baffle (5-12), and a first collection box (5-13); the first motor (5-11) and the first collection box (5-13) are installed on one side of the conveyor belt (2); the first screening baffle (5-12) is installed at the output end of the first motor (5-11); The second grading and screening mechanism (5-2) includes a second motor (5-21), a second screening baffle (5-22), and a second collection box (5-23); the second motor (5-21) and the second collection box (5-23) are installed on one side of the conveyor belt (2); the second screening baffle (5-22) is installed at the output end of the second motor (5-21); The third graded screening mechanism (5-3) includes a third motor (5-31), a third screening baffle (5-32), and a third collection box (5-33); the third motor (5-31) and the third collection box (5-33) are installed on one side of the conveyor belt (2); the third screening baffle (5-32) is installed at the output end of the third motor (5-31).

8. The stone sorting device according to claim 7, characterized in that, The gap between the first screening baffle (5-12) and the conveyor belt is higher than that between the second screening baffle (5-22); the gap between the second screening baffle (5-22) and the conveyor belt is higher than that between the third screening baffle (5-32).

9. The stone sorting device according to claim 1, characterized in that, The visual recognition mechanism (3) includes a stand (3-1) and a 3D laser scanner (3-2); the stand (3-1) is mounted on a conveyor belt (2), and the 3D laser scanner (3-2) is mounted on top of the stand (3-1).