Small gold sluice with screening function

Abstract

The utility model belongs to gold extraction equipment technical field, concretely relates to a small -size with screening function selects gold sluice, including the chute main part, hopper structure, expansion hole adjusting support rod, rubber gold -selecting pad and screen structure, is equipped with rubber gold -selecting pad in the chute main part, the hopper structure includes hopper, side baffle and flow guide chute, the front end lateral wall of hopper is connected with the lateral wall of the chute main part and has expansion hole adjusting support rod, the rear end of hopper is open and is connected with side baffle, and the rear end of side baffle is in open state, and flow guide chute is located in the lower end of side baffle and is linked, and the connecting place of flow guide chute and side baffle is equipped with screen structure, and side baffle is rotatably connected with the chute main part. The utility model solves the problems of traditional gold selection sluice screening loss, inconvenient adjustment, poor stability, screen easy to block and the like, is suitable for small -size field gold -panning scene, is convenient to operate, and is durable, can improve gold particle separation efficiency.

Description

Technical Field

[0001] This utility model belongs to the technical field of gold extraction equipment, specifically relating to a small gold sorting sluice with screening function. Background Technology

[0002] In the field of gold mining and extraction, sluices, as a type of gold-separating equipment based on the principle of gravity separation, are widely used in small and medium-sized mines, scattered field gold panning operations, and individual gold panning scenarios due to their advantages such as simple structure, low cost, and convenient operation. These scenarios are typically characterized by complex operating environments, often consisting of uneven terrain such as mountains and riverbanks, large fluctuations in slurry concentration, limited tools for operators, and high requirements for equipment portability and adjustability. Traditional gold-separating sluices are gradually becoming inadequate to meet these practical needs, and their technical shortcomings are becoming increasingly apparent.

[0003] Traditional gold sluices are mostly integrated long trough structures. Their core working logic involves utilizing the density difference between gold particles and gangue, silt, and other impurities as the slurry flows through the trough. Gold particles settle and accumulate at the bottom of the trough, while impurities are discharged with the water flow from the tail. However, in practical applications, these sluices suffer from several key problems: Firstly, they lack effective screening capabilities. The slurry often contains coarse sand, gravel, and ore fragments. Traditional sluices lack dedicated screening structures, allowing coarse impurities to accumulate and clog the trough, leading to uneven slurry flow. This not only affects the settling efficiency of gold particles but also requires frequent shutdowns for cleaning, significantly reducing operational efficiency. While some improved sluices incorporate screens, they often use ordinary wire mesh or perforated thin steel plates. These screen structures are prone to sand and gravel embedding during actual use, requiring frequent cleaning and drastically reducing operational efficiency. Furthermore, under long-term scouring and friction from sand and gravel, they are easily worn and deformed, making it difficult to maintain screen precision, and causing the screening effect to decline rapidly over time.

[0004] On the one hand, the angle adjustment capability is insufficient. The angle of the sluice directly affects the gold extraction efficiency. When the concentration is too high, the slurry flows slowly and is prone to siltation, requiring a larger sluice angle. When the concentration is too low, the angle is adjusted to obtain finer gold. Traditional sluices are mostly designed with a fixed angle, or the inclination is adjusted by simple methods such as placing stones, which cannot accurately adapt to slurries of different concentrations. Some adjustable sluices use a bolt-through fixed structure, which requires disassembling the bolts and realigning them during adjustment. The operation is cumbersome and relies on tools, making it difficult to adjust quickly in the field, resulting in poor equipment adaptability.

[0005] On the one hand, the stability of the sluice box is poor. The ground in field gold panning operations is mostly uneven riverbeds and hillsides. Traditional sluice boxes are mostly simple flat structures with a lack of adjustable support components. The equipment is prone to overall displacement due to ground tilt, causing the slurry in the sluice box to flow to one side, resulting in concentrated gold particle settling areas, or even loss with the side flow, which seriously affects the separation effect. Although some equipment has added support legs, they are mostly designed with fixed lengths and cannot be fine-tuned for local ground height differences, so stability is still difficult to guarantee.

[0006] On the other hand, controlling the slurry flow rate and concentration is difficult. Traditional sluices rely on natural water flow or a single inlet for water replenishment. The water flow tends to concentrate in the middle of the slurry, resulting in uneven slurry flow rate. The flow rate is slow near the sluice wall and is prone to siltation, while the flow rate is fast in the middle and the gold particles do not have enough settling time. Especially in dry seasons or when the slurry itself has low water content, the slurry is prone to caking in the sluice, requiring frequent manual water addition and stirring, which increases the workload and makes it impossible to guarantee the uniformity of concentration.

[0007] In summary, the shortcomings of existing gold sluices in terms of screening function, angle adjustment, sluice body stability, slurry control, and ease of operation can no longer meet the needs of small-scale field gold panning scenarios for efficient, flexible, and durable equipment. Developing a small gold sluice that integrates screening functions, is multi-dimensionally adjustable, and adaptable to complex environments has become a key direction for solving current technical pain points.

[0008] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0009] This invention provides a small gold selection chute with screening function, which aims to solve the technical problems mentioned in the background art.

[0010] To achieve the above objectives, the technical solution of this utility model is as follows:

[0011] A small gold-selecting chute with screening function includes a chute body, a hopper structure, an expansion hole adjusting support rod, a rubber gold-selecting pad, and a screen structure. The rubber gold-selecting pad is installed inside the chute body.

[0012] The hopper structure includes a hopper, a side baffle, and a guide chute. The expansion hole adjustment support rod is connected between the front side wall of the hopper and the side wall of the chute body. The rear end of the hopper is open and connected to the side baffle, and the rear end of the side baffle is in an open state. The guide chute is located at the lower end of the side baffle and the two are connected. The screen structure is provided at the connection between the guide chute and the side baffle. The side baffle is rotatably connected to the chute body.

[0013] Preferably, the screen structure includes a frame and multiple triangular steel bars, the frame being disposed at the connection between the guide chute and the side baffle, and the multiple triangular steel bars being connected at intervals within the frame.

[0014] Preferably, the bottom plate of the guide chute has multiple guide ports at its rear end.

[0015] Preferably, the expansion hole adjusting support rod has a first elongated hole and a second elongated hole, and both the first elongated hole and the second elongated hole have multiple expansion holes.

[0016] Connecting bolt one and connecting bolt two are respectively provided on the front side wall of the hopper and the side wall of the chute body. Connecting bolt one engages with one of the expansion holes on the first elongated hole and is connected by a fastener thread. Connecting bolt two engages with one of the expansion holes on the second elongated hole and is connected by a fastener thread.

[0017] Preferably, the fastener includes a flat washer, a tapered washer, and a wing nut.

[0018] The flat washer and the conical washer are sleeved on the first connecting bolt or the second connecting bolt, and are respectively located on both sides of the expansion hole adjusting support rod. The wing nut is threadedly connected to the first connecting bolt or the second connecting bolt.

[0019] Preferably, the chute body has support structures on all four sides of its sidewall, with the two support structures at the front end being inclined and the two support structures at the rear end being vertical. Each support structure includes a sleeve and a support leg. The sleeve is located on the sidewall, and the support leg is inserted into the sleeve and limited by fastening bolts.

[0020] Preferably, a guide tube is provided at the upper end of the connection between the hopper and the side baffle. The guide tube has multiple water spray holes at one end facing the bottom of the hopper. One end of the guide tube is closed, and the other end is connected to an external water source through a bend.

[0021] Due to the adoption of the above technical solution, the beneficial effects of this utility model are as follows:

[0022] 1. This utility model provides a small gold-separating chute with screening function. It has a simple structure and lightweight design. It adopts a miniaturized and highly integrated structure, which is suitable for small-scale gold panning scenarios. At the same time, it adopts an adjustable expansion hole adjustment support rod. By utilizing the relationship between the hopper and the chute body, the tilt angle of the hopper can be adjusted to adapt to different slurry flow rates. It is simple, convenient and efficient.

[0023] 2. The expansion hole adjustment support rod of this utility model, through the cooperation of the elongated hole and the expansion hole, can quickly and finely adjust the tilt angle of the hopper and fix it when folded; the side baffle is rotatably connected to the chute body, which can adapt to different slurry flow rate requirements; the sleeve and support leg combination of the support structure on the chute body can adjust the length for uneven ground in the field, ensuring the equipment is horizontally stable. The multi-part adjustment design enables the equipment to accurately adapt to slurries of different concentrations and complex operating environments, improving adaptability.

[0024] 3. This utility model adopts a screen structure composed of spaced triangular steel bars. Compared with traditional wire mesh screens, the screen structure composed of spaced triangular steel bars can prevent coarse particles from getting stuck on the screen. The solid triangular steel bars have stronger resistance to bending and deformation, are simple to manufacture and easy to maintain, and can effectively separate coarse sand and gravel from gold-containing mud and sand, ensuring that gold-containing mud and sand can smoothly enter the guide chute, reducing the loss of gold particles with impurities, while avoiding frequent screen replacement and reducing maintenance costs.

[0025] 4. This utility model has multiple downward-facing water spray holes in the guide pipe, which can be connected to an external water source to spray water evenly. This can effectively disperse the ore and adjust the slurry concentration, avoiding the accumulation of slurry that is too thick or too thin, which would cause gold particles to be lost. It can also ensure that the slurry flow rate in the tank is uniform, providing stable conditions for the sedimentation and enrichment of gold particles. The multiple guide ports at the rear end of the bottom plate of the guide chute allow the water flow to interact with each other, making the water flow more stable and facilitating the gravity separation of gold particles. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of the present invention in its working state;

[0027] Figure 2 This is a schematic diagram of the structure of this utility model in its folded state;

[0028] Figure 3 This is a top view of the present invention;

[0029] Figure 4 This is a schematic diagram of the structure of the flow guide chute of this utility model;

[0030] Figure 5 for Figure 2 Enlarged diagram of the BB direction;

[0031] Figure 6 for Figure 3 Enlarged diagram of point C.

[0032] The symbols for the main components in the diagram are explained below:

[0033] 1. Chute body; 2. Hopper structure; 21. Hopper; 22. Side baffle; 23. Guide chute; 231. Guide port; 3. Expansion hole adjustment support rod; 31. Long hole one; 32. Long hole two; 4. Rubber gold selection pad; 5. Screen structure; 51. Frame; 52. Triangular steel bar; 6. Connecting bolt one; 7. Connecting bolt two; 8. Support structure; 81. Sleeve; 82. Support leg; 9. Guide pipe; 91. Water spray hole; 100. Expansion hole; 200. Fastener; 210. Flat washer; 220. Conical washer; 230. Wing nut; 300. Fastening bolt; 400. Bend; 500. Handle. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0035] Example

[0036] like Figures 1 to 6 As shown, a small gold-selecting chute with screening function includes a chute body 1, a hopper structure 2, an expansion hole adjusting support rod 3, a rubber gold-selecting pad 4, and a screen structure 5. The rubber gold-selecting pad 4 is provided inside the chute body 1. The hopper structure 2 includes a hopper 21, a side baffle 22, and a guide chute 23. An expansion hole adjusting support rod 3 is connected between the front side wall of the hopper 21 and the side wall of the chute body 1. The rear end of the hopper 21 is open and connected to the side baffle 22, and the rear end of the side baffle 22 is in an open state. The guide chute 23 is located at the lower end of the side baffle 22 and the two are connected. A screen structure 5 is provided at the connection between the guide chute 23 and the side baffle 22. The side baffle 22 is rotatably connected to the chute body 1.

[0037] This utility model adopts a miniaturized and highly integrated structure, which is suitable for small-scale gold mining scenarios. At the same time, it adopts an adjustable expansion hole adjustment support rod 3, which can adjust the tilt angle of the hopper 21 to adapt to different slurry flow rates by utilizing the relationship between the expansion hole and the slurry body 1. It is simple, convenient and efficient.

[0038] In this embodiment, please refer to Figure 2 and Figure 5The screen structure 5 includes a frame 51 and multiple triangular steel bars 52. The frame 51 is located at the connection between the guide chute 23 and the side baffle 22, and the multiple triangular steel bars 52 are connected at intervals within the frame 51. This utility model adopts a screen structure composed of triangular steel bars 52 at intervals. The screen structure composed of triangular steel bars at intervals can prevent coarse particles and impurities from getting stuck on the screen. The solid triangular steel bars have stronger resistance to bending and deformation, are simple to manufacture and easy to maintain, and can effectively separate coarse sand and gravel from gold-containing mud and sand, ensuring that gold-containing mud and sand can smoothly enter the guide chute 23, reducing the loss of gold particles with impurities, and at the same time avoiding frequent screen replacement and reducing maintenance costs.

[0039] The bottom plate of the guide chute 23 has multiple guide ports 221 at the rear end; the multiple guide ports 221 can form water flow interaction, making the water flow more stable, which is conducive to the gravity separation of gold particles. After the slurry is screened by the screen structure 5, it enters the guide chute 23 and is finally discharged through the multiple guide ports 221. The shape of the guide port 221 can be semi-circular, rectangular or other opening state, and is not limited to the triangular shape in this example.

[0040] In this embodiment, please refer to Figure 1 and Figure 2 The expansion hole adjusting support rod 3 has an elongated hole 31 and an elongated hole 2. Both the elongated hole 31 and the elongated hole 2 have multiple expansion holes 100. The front side wall of the hopper 21 and the side wall of the chute body 1 are respectively provided with connecting bolt 6 and connecting bolt 7. Connecting bolt 6 engages with one expansion hole 100 on the elongated hole 31 and is connected by fastener 200 thread. Connecting bolt 7 engages with one expansion hole 100 on the elongated hole 2 and is connected by fastener 200 thread.

[0041] The expansion hole adjusting support rod 3 of this utility model cooperates with the expansion hole 100 through the first elongated hole 31 and the second elongated hole 2, which can quickly and finely adjust the tilt angle of the hopper 21 and fix it when folded; the side baffle 22 is rotatably connected to the chute body 1, which can adapt to different slurry flow rate requirements; specifically; Figure 1 This is a schematic diagram of the device in operation. After connecting bolt 27 is engaged with any one of the expansion holes 100 on the long hole 2, connecting bolt 16 is engaged with any one of the expansion holes 100 on the long hole 31, so that the hopper 21 can select different tilt angles. Figure 2 This is a schematic diagram of the device in its folded state. The connecting bolt 6 can be used to fit the expansion hole 100 located at the bottom of the long hole 31 to store the hopper 21 inside the chute body 1, making it easy to store and retrieve.

[0042] For details, please refer to Figure 3 and Figure 6The fastener 200 includes a flat washer 210, a tapered washer 220 and a wing nut 230. The flat washer 210 and the tapered washer 220 are sleeved on the connecting bolt 6 or the connecting bolt 7 and are respectively located on both sides of the expansion hole adjusting support rod 3. The wing nut 230 is threadedly connected to the connecting bolt 6 or the connecting bolt 7.

[0043] The connection parts use 230 wing nuts, which can be manually adjusted and fixed without tools, making it convenient for quick operation in tool-less outdoor scenarios; the overall structure of the equipment is compact and small, and the component connection method is simple, making it easy to transport and store, which meets the needs of small mining sites and individual field gold panning operations, and reduces the intensity of work.

[0044] In this embodiment, please refer to the return. Figure 1 The chute body 1 has support structures 8 on all four sides of its sidewalls. The two support structures 8 at the front end are inclined, while the two support structures 8 at the rear end are vertical. Each support structure 8 includes a sleeve 81 and a support leg 82. The sleeve 81 is located on the sidewall, and the support leg 82 is inserted into the sleeve 81 and limited by a fastening bolt 300. The combination of the vertical and inclined support structures 8 makes it easy to adapt to uneven ground in the field. By adjusting the length of one or more support legs 82, the chute body can be kept horizontal, preventing the equipment from tilting to the left or right and causing screening failure. At the same time, the sleeve 81 and the support leg 82 are detachable by the fastening bolt 300, which makes it easy to remove the support leg 82 and store it in the space formed by the guide chute 23 and the chute body 1 when the device is not in operation, making it convenient to remove the whole device later.

[0045] In this embodiment, please refer to the return. Figure 3 The upper end of the connection between the hopper 21 and the side baffle 22 is provided with a guide tube 9. The guide tube 9 has multiple water spray holes 91 at one end facing the bottom of the hopper 21. One end of the guide tube 9 is closed, and the other end is connected to an external water source through a bend 400.

[0046] This utility model has a new guide tube 9 with multiple downward-facing water spray holes 91, which can be connected to an external water source to spray water evenly. This can effectively disperse the ore and adjust the slurry concentration, preventing the slurry from becoming too thick and accumulating or too thin and causing gold particles to be lost. It can also ensure that the slurry flow rate in the tank is uniform, providing stable conditions for the sedimentation and enrichment of gold particles.

[0047] To facilitate easy handling after folding, a handle 500 is provided on the side of the chute body 1.

[0048] The working principle of this utility model:

[0049] This utility model provides a small gold-selecting sluice with screening function. In specific use, the length of the support leg 82 of the support structure 8 on the side wall of the sluice body 1 is adjusted according to the field operation ground conditions to keep the sluice body 1 horizontal. The tilt angle of the hopper 21 is adjusted by adjusting the cooperation of the long hole 31 and long hole 2 of the support rod 3, the expansion hole 100 and the connecting bolt 6 and connecting bolt 7. At the same time, the side baffle 22 is rotated to adjust its tilt to adapt to the concentration characteristics of the slurry to be processed.

[0050] The slurry is transported to the hopper 21, and at the same time, an external water source is connected to the conduit 9 through the bend 400. The water source is evenly injected into the hopper 21 through the spray hole 91 on the conduit 9 to adjust the slurry concentration and flow rate. When the slurry flows in the hopper 21, it is pushed by the water flow to move towards the rear side baffle 22.

[0051] After the slurry enters the side baffle 22, it continues to flow backward to the connection with the guide chute 23. Here, the screen structure formed by the triangular steel bars 52 screens the slurry. Coarse particles of impurities are intercepted by the screen structure and discharged with the water flow from the open rear end of the side baffle 22. Fine gold particles and qualified slurry pass through the gaps in the screen structure and enter the guide chute 23.

[0052] The slurry entering the guide sluice 23 flows along the sluice under gravity. Because the density of gold particles is much greater than that of impurities, they settle and accumulate at the bottom of the guide sluice 23. The slurry is then smoothly discharged through multiple guide ports 231 at the rear end of the bottom plate of the guide sluice 23 onto the rubber gold-selecting pad 4, where it is finally collected to complete the gold particle extraction process. Throughout the entire process, the hopper angle, side baffle angle, or water replenishment can be finely adjusted in real time according to the slurry flow state and screening effect to ensure stable gold selection efficiency.

[0053] The above description is a detailed description of the preferred embodiments of the present utility model. However, the embodiments are not intended to limit the scope of the patent application of the present utility model. All equivalent changes or modifications made under the technical spirit of the present utility model should fall within the patent scope covered by the present utility model.

Claims

1. A small gold-selecting sluice with screening function, characterized in that, The chute includes a main body (1), a hopper structure (2), an expansion hole adjustment support rod (3), a rubber gold-selecting pad (4), and a screen structure (5). The rubber gold-selecting pad (4) is installed inside the main body (1). The hopper structure (2) includes a hopper (21), a side baffle (22), and a guide chute (23). The expansion hole adjustment support rod (3) is connected between the front side wall of the hopper (21) and the side wall of the chute body (1). The rear end of the hopper (21) is open and connected to the side baffle (22), and the rear end of the side baffle (22) is in an open state. The guide chute (23) is located at the lower end of the side baffle (22) and the two are connected. The screen structure (5) is provided at the connection between the guide chute (23) and the side baffle (22). The side baffle (22) is rotatably connected to the chute body (1).

2. The small gold-selecting chute with screening function as described in claim 1, characterized in that, The screen structure (5) includes a frame (51) and multiple triangular steel bars (52). The frame (51) is located at the connection between the guide chute (23) and the side baffle (22). The multiple triangular steel bars (52) are connected at intervals within the frame (51).

3. The small gold-selecting chute with screening function as described in claim 1, characterized in that, The bottom plate of the guide chute (23) has multiple guide ports (231) at the rear end.

4. A small gold-selecting chute with screening function as described in claim 1, characterized in that, The expansion hole adjusting support rod (3) is provided with a first long hole (31) and a second long hole (32), and both the first long hole (31) and the second long hole (32) are provided with multiple expansion holes (100). The front side wall of the hopper (21) and the side wall of the chute body (1) are respectively provided with connecting bolt one (6) and connecting bolt two (7). Connecting bolt one (6) is engaged with an expansion hole (100) on the elongated hole one (31) and is threadedly connected by fastener (200). Connecting bolt two (7) is engaged with an expansion hole (100) on the elongated hole two (32) and is threadedly connected by fastener (200).

5. A small gold-selecting chute with screening function as described in claim 4, characterized in that, The fastener (200) includes a flat washer (210), a tapered washer (220), and a wing nut (230). The flat washer (210) and the conical washer (220) are sleeved on the first connecting bolt (6) or the second connecting bolt (7) and are respectively located on both sides of the expansion hole adjusting support rod (3). The wing nut (230) is threadedly connected to the first connecting bolt (6) or the second connecting bolt (7).

6. A small gold-selecting chute with screening function as described in claim 1, characterized in that, The chute body (1) has support structures (8) on all four sides of its sidewall. The two support structures (8) at the front end are inclined and the two support structures (8) at the rear end are vertical. Each support structure (8) includes a sleeve (81) and a support leg (82). The sleeve (81) is located on the sidewall and the support leg (82) is inserted into the sleeve (81) and limited by a fastening bolt (300).

7. A small gold-selecting chute with screening function as described in claim 1, characterized in that, The upper end of the connection between the hopper (21) and the side baffle (22) is provided with a conduit (9). The conduit (9) has multiple water spray holes (91) at one end facing the bottom of the hopper (21). One end of the conduit (9) is closed, and the other end is connected to an external water source through a bend (400).

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