Tray switching system of gold separating device

Abstract

The utility model provides a tray switching system of a gold separation device, the tray switching system comprises a transfer fixing frame, a transportation assembly, a lifting assembly and a clamping assembly, the transfer fixing frame is of a multi-layer structure, and a movable channel arranged in the height direction of the transfer fixing frame is arranged in the transfer fixing frame; the transportation assembly is arranged on the bottom layer of the transfer fixing frame and penetrates through the movable channel, and the transportation track is used for transporting the trays between the front-end batching station and the rear-end mixing station; the lifting assembly is used for driving the tray to move in the movable channel; the clamping assembly is arranged on the transfer fixing frame and used for fixing the tray to the upper layer of the transfer fixing frame so that transfer of the tray in the transportation process can be achieved, movement interference between the tray provided with the charging barrel and the backflow tray can be avoided, and therefore the technical effect that the position of the tray obtained after burdening and the position of the empty tray obtained after operation can be exchanged is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of gold separation devices, in particular to a tray switching system for a gold separation device. Background Art

[0002] The fire assay method has always been an important means for gold and silver analysis and an important method for gold arbitration due to its wide applicability, good enrichment effect, good sampling representativeness, and high accuracy of analysis results. According to the requirements of fire assay methods such as the national standard method "GB / T 7739.1-2019 Methods for Chemical Analysis of Gold Concentrates - Determination of Gold and Silver Contents", the fire assay process flow is divided into six main steps: batching, mixing, melting, cupellation, gold separation, and weighing.

[0003] In the first step of the fire assay detection process, batching operation needs to be carried out. The specific operation process is as follows: According to the sample characteristics, calculate the addition values of seven reagents (sodium carbonate, borax, lead oxide, flour, silicon dioxide, glass powder); then weigh the seven reagents and the sample to be tested on an analytical balance to the target mass and add them to the sample container (crucible) for subsequent mixing operation.

[0004] In a gold separation device, after the front-end batching station adds seven reagents and the sample to be tested into the tray, the tray after batching is transported to the rear-end mixing station for mixing operation through a transportation device. After the mixing operation on the sample container (crucible) on the tray is completed, the staff will take out the sample container (crucible) on the tray and transport the empty tray after the operation back to the front-end batching station by manual trolley for subsequent batching. In the existing gold separation device, transporting the empty tray after the operation back to the front-end batching station by manual trolley is not only time-consuming and laborious, but also affects the working efficiency of the gold separation device. Therefore, there is an urgent need for a tray switching system to realize the position exchange between the tray after batching and the empty tray after the operation. Summary of the Utility Model

[0005] The utility model provides a tray switching system for a gold separation device, which is used to solve the technical problem of how to provide a tray switching system to realize the position exchange between the tray after batching and the empty tray after the operation.

[0006] To solve the above technical problems, the following technical solutions are proposed:

[0007] The present application provides a tray switching system for a gold separation device, including:

[0008] A transfer fixing frame, the transfer fixing frame is a multi-layer structure, and an activity channel is arranged inside the transfer fixing frame along the height direction of the transfer fixing frame;

[0009] A transportation component, which is arranged at the bottom layer of the transfer fixing frame, and the transportation component passes through the movable channel, and the transportation component is used for transporting pallets;

[0010] A lifting component, which is used to drive the pallet to move in the movable channel;

[0011] A clamping component, which is arranged on the transfer fixing frame and is used to fix the pallet to the upper layer of the transfer fixing frame.

[0012] Further, in this embodiment, the lifting component includes a lifting plate and a first driving mechanism. The lifting plate is arranged in the movable channel, and the movable end of the first driving mechanism is connected to the lifting plate. The first driving mechanism drives the pallet to move in the movable channel through the lifting plate.

[0013] Further, in this embodiment, the lifting component further includes a fixed sliding rod. A fixed hole is provided at the bottom end of the transfer fixing frame, and the fixed sliding rod is slidably arranged in the fixed hole, and one end of the fixed sliding rod is connected to the lifting plate for supporting the lifting plate.

[0014] Further, in this embodiment, the transportation component includes:

[0015] A transportation slide rail, which is arranged at the bottom end of the transfer fixing frame, and the transportation slide rail passes through the movable channel and is used for transporting pallets;

[0016] A driving slide rail, which is arranged on the transfer fixing frame and is arranged parallel to the transportation slide rail;

[0017] A dragging mechanism, which is slidably arranged on the driving slide rail and is used for clamping with the pallet;

[0018] A second driving mechanism, the output end of which is connected to the dragging mechanism, and the second driving mechanism drives the pallet to move along the transportation slide rail through the dragging mechanism.

[0019] Further, in this embodiment, the transportation component includes two groups of the transportation slide rails, and the two groups of the transportation slide rails are arranged in parallel at the bottom end of the transfer fixing frame, and the two groups of the transportation slide rails are respectively arranged on both sides of the lifting component.

[0020] Further, in this embodiment, the dragging mechanism includes:

[0021] A sliding table, which is slidably arranged on the driving slide rail and is connected to the output end of the second driving mechanism;

[0022] The forklift part is telescopically arranged on the sliding table and is used for clamping with the tray.

[0023] Further, in this embodiment, two sets of the clamping components are arranged on the transfer fixing frame. The two sets of clamping components are arranged on both sides of the moving channel, and the two sets of clamping components are arranged oppositely.

[0024] Further, in this embodiment, the clamping component includes:

[0025] A fixing piece which is fixedly arranged on the transfer fixing frame;

[0026] A sliding rod. A sliding hole is arranged on the fixing piece, and the sliding rod is slidably arranged in the sliding hole, and one end of the sliding rod extends out of the sliding hole;

[0027] A clamping piece which is arranged at the end of the sliding rod extending out of the sliding hole and is used for connecting with the tray.

[0028] Further, in this embodiment, a receiving piece is further arranged at the bottom end of the clamping piece, and the receiving piece is used for receiving the bottom end of the tray.

[0029] Further, in this embodiment, a proximity sensor is further included. The proximity sensor is electrically connected with the transportation component, and the proximity sensor is used for detecting the position of the tray.

[0030] Beneficial effects: The present application provides a tray switching system for a gold-splitting device. The tray switching system includes: a transfer fixing frame, a transportation component, a lifting component and a clamping component. The transfer fixing frame is a multi-layer structure, and an activity channel is arranged inside the transfer fixing frame along the height direction of the transfer fixing frame; the transportation component is arranged at the bottom layer of the transfer fixing frame, and the transportation component passes through the activity channel, and the transportation track is used for transporting the tray between the front-end batching station and the back-end mixing station; the lifting component is used for driving the tray to move in the activity channel; the clamping component is arranged on the transfer fixing frame and is used for fixing the tray on the upper layer of the transfer fixing frame to realize the transfer of the tray during transportation, avoid the movement interference between the tray with the cartridge and the return tray, and thus realize the technical effect of the position interchange between the tray after batching and the empty tray after operation. Description of the Drawings

[0031] Figure 1 It is a schematic structural diagram of a tray switching system for a gold-splitting device provided by the present application;

[0032] Figure 2 It is a schematic structural diagram of the tray switching system provided by the embodiment of the present application;

[0033] Figure 3Schematic diagram of the internal structure of the pallet switching system provided by the embodiment of the present application;

[0034] Figure 4 Schematic diagram of the structure of the clamping component part provided by the embodiment of the present application;

[0035] Figure 5 Schematic diagram of the structure of the pushing mechanism part provided by the embodiment of the present application;

[0036] Figure 6 Schematic diagram of the structure of the pallet part provided by the embodiment of the present application.

[0037] Description of the reference numerals in the drawings

[0038] 1, transfer fixing frame; 2, transportation component; 21, transportation slide rail; 22, driving slide rail;

[0039] 23, dragging mechanism; 24, second driving mechanism; 25, sliding table; 26, forklift member;

[0040] 27, card slot; 3, lifting component; 31, lifting plate; 32, first driving mechanism;

[0041] 33, fixed slide bar; 4, clamping component; 41, fixing member; 42, sliding bar;

[0042] 43, clamping member; 44, receiving member; 6, pallet; 7, proximity sensor. Detailed implementation manners

[0043] The embodiments of the technical solutions of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to illustrate the technical solutions of the present application more clearly, so they are only examples and cannot be used to limit the protection scope of the present application.

[0044] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above drawings are intended to cover non-exclusive inclusion.

[0045] In the description of the embodiments of the present application, technical terms such as "first" and "second" are only used to distinguish different objects and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity, specific order or primary-secondary relationship of the indicated technical features. In the description of the embodiments of the present application, "a plurality" means more than two unless otherwise specifically defined.

[0046] References to "embodiments" in this specification mean that the specific features, structures, or characteristics described in connection with the embodiments can be included in at least one embodiment of the present application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment each time, nor are they independent or alternative embodiments mutually exclusive of other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0047] In the description of the embodiments of the present application, the term "and / or" is merely a description of the association relationship between associated objects, indicating that there can be three relationships. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this document generally represents an "or" relationship between the associated objects before and after.

[0048] In the description of the embodiments of the present application, the term "plural" means two or more (including two). Similarly, "multiple groups" means two or more groups (including two groups), and "multiple pieces" means two or more pieces (including two pieces).

[0049] In the description of the embodiments of the present application, the orientation or positional relationship indicated by technical terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the embodiments of the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation on the embodiments of the present application.

[0050] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can also be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0051] The cupellation method has always been an important means for gold and silver analysis and an important method for gold arbitration due to its wide applicability, good enrichment effect, good sampling representativeness, and high accuracy of analysis results. According to the requirements of cupellation methods such as the national standard method "GB / T 7739.1-2019 Methods for Chemical Analysis of Gold Concentrates - Determination of Gold and Silver Contents", the cupellation process flow is divided into six main steps: batching, mixing, melting, cupellation, parting, and weighing.

[0052] In the first step of performing the fire assay detection process, batching operation is required. The specific operation process is as follows: According to the sample characteristics, calculate the addition values of seven reagents (sodium carbonate, borax, lead oxide, flour, silicon dioxide, glass powder); then weigh the seven reagents and the sample to be tested on an analytical balance to the target mass, and add them to the sample container (crucible) for subsequent mixing operation.

[0053] In the gold parting device, after the front-end batching station adds seven reagents and the sample to be tested into the tray 6, the transported device transports the tray 6 after batching to the rear-end mixing station for mixing operation. After the mixing operation on the sample container (crucible) of the tray 6 is completed, the staff will take out the sample container (crucible) on the tray 6, and transport the empty tray 6 after the operation back to the front-end batching station by manual cart for subsequent batching. In the existing gold parting device, transporting the empty tray 6 after the operation back to the front-end batching station by manual cart is not only time-consuming and laborious, but also affects the working efficiency of the gold parting device. Therefore, there is an urgent need for a tray 6 switching system to realize the position exchange between the tray 6 after batching and the empty tray 6 after the operation.

[0054] In order to solve the technical problem of how to provide a tray 6 switching system to realize the position exchange between the tray 6 after batching and the empty tray 6 after the operation, this application provides a tray 6 switching system for a gold parting device. The lifting component 3 lifts the tray 6 to the upper layer of the transfer fixing frame 1 to realize the transfer of the tray 6 during transportation, avoiding the movement interference between the tray 6 with the cartridge and the return tray 6, so as to achieve the technical effect of realizing the position exchange between the tray 6 after batching and the empty tray 6 after the operation.

[0055] As Figure 1 shown, Figure 1 This is a schematic structural diagram of a tray 6 switching system for a gold parting device provided by this application. The tray 6 switching system includes: a transfer fixing frame 1, a transporting component 2, a lifting component 3 and a clamping component 4. Among them, the transfer fixing frame 1 is a multi-layer structure, and an activity channel is arranged inside the transfer fixing frame 1 along the height direction of the transfer fixing frame 1; the transporting component 2 is arranged at the bottom layer of the transfer fixing frame, and the transporting component 2 passes through the activity channel. The transporting component is used for transporting the tray 6 between the front-end batching station and the rear-end mixing station; the lifting component 3 is used for driving the tray 6 to move in the activity channel; the clamping component 4 is arranged on the transfer fixing frame 1 and is used for fixing the tray 6 to the upper layer of the transfer fixing frame 1 to realize the transfer of the tray 6 during transportation, avoiding the movement interference between the tray 6 with the cartridge and the return tray 6, so as to achieve the technical effect of realizing the position exchange between the tray 6 after batching and the empty tray 6 after the operation.

[0056] Specifically, in this embodiment, after the front-end batching station loads materials into each barrel of the tray 6, the tray 6 is transported by the transportation component 2 of the conveying device to the tray 6 switching system. Then, the tray 6 is lifted to the upper structure of the transfer fixing frame 1 by the lifting component 3 and is fixed in the upper structure of the transfer fixing frame 1 by the clamping component 4 located on the upper layer of the transfer fixing frame 1. At this time, the tray 6 returned from the rear-end mixing station quickly passes through the transfer fixing frame 1 through the transportation component 2 and then enters the front-end batching station. When the returned tray 6 passes through the transfer fixing frame 1, after the clamping component 4 releases the control of the tray 6, it returns to the transportation component 2 through the lifting component 3 and is transported by the transportation component 2 to the rear-end mixing station. Thus, while avoiding the movement interference between the tray 6 with barrels and the returned tray 6, the position of the tray 6 after batching and the empty tray 6 after operation is interchanged.

[0057] Exemplarily, as Figure 2 shown, in this embodiment, the lifting component 3 includes a lifting plate 31 and a first driving mechanism 32. The lifting plate 31 is arranged in the moving channel, and the moving end of the first driving mechanism 32 is connected to the lifting plate 31. The first driving mechanism 32 drives the tray 6 to move in the moving channel through the lifting plate 31. During use, when the transportation component 2 transports the tray 6 to directly above the lifting plate 31, the first driving mechanism 32 drives the lifting plate 31 to rise, thereby pushing the tray 6 towards the upper structure of the transfer fixing frame 1.

[0058] Exemplarily, as Figure 3 shown, the lifting component 3 further includes a fixed sliding rod 33. The bottom end of the transfer fixing frame 1 is provided with a fixing hole, and the fixed sliding rod 33 is slidably arranged in the fixing hole. One end of the fixed sliding rod 33 is connected to the lifting plate 31 and is used to support the lifting plate 31. It can be understood that in this embodiment, the lifting plate 31 is a rectangular structure, and four groups of fixed sliding rods 33 are provided at the bottom end of the transfer fixing frame 1, and each group of fixed sliding rods 33 is respectively located at the corner parts of the lifting plate 31. During the process of the first driving mechanism 32 driving the lifting plate 31 to rise, the lifting plate 31 is supported by the fixed sliding rods 33, thereby improving the stability of the lifting plate 31 during the rising or falling process.

[0059] Exemplarily, as Figure 3As shown, in this embodiment, the transport assembly 2 includes a transport rail 21, a driving rail 22, a dragging mechanism 23 and a second driving mechanism 24. The transport rail 21 is arranged at the bottom end of the transfer fixed frame 1. The transport rail 21 passes through the movable channel and is used to receive the pallet 6 and run between the front batching station and the rear mixing station through the transport rail 21; the driving rail 22 is arranged on the transfer fixed frame 1, and the driving rail 22 is arranged parallel to the transport rail 21; the dragging mechanism 23 is slidably arranged on the driving rail 22 and is used to engage with the pallet 6; the output end of the second driving mechanism 24 is connected to the dragging mechanism 23. During use, the driving dragging mechanism 23 is engaged with the pallet 6, and the dragging mechanism 23 is driven to move along the driving rail 22 by the second driving mechanism 24. The second driving mechanism 24 drives the dragging mechanism 23 to push the pallet 6 to run between the front batching station and the rear mixing station along the transport rail 21 during the movement and sliding of the driving dragging mechanism 23 along the driving rail 22.

[0060] For example, Figure 5 As shown, the dragging mechanism 23 includes a slide 25 and a fork member 26. The slide 25 is slidably arranged on the driving rail 22 and is connected to the output end of the second driving mechanism 24. The fork member 26 is telescopically arranged on the slide 25. The second driving mechanism 24 drives the slide 25 to slide along the driving rail 22, thereby driving the fork member 26 to move.

[0061] It is understandable that if Figure 6 As shown, in the present embodiment, the side wall of the pallet 6 is provided with a slot 27 adapted to the fork member 26. When the dragging mechanism 23 pushes the pallet 6 to slide on the transport slide rail 21, the fork member 26 is driven to move toward the pallet 6, and the forks on the fork member 26 are extended into the slot 27 on the side wall of the pallet 6 and engaged with the pallet 6. Therefore, when the second driving mechanism 24 slides along the driving slide rail 22 via the driving slide 25, the pallet 6 can be driven to move.

[0062] Exemplarily, the transport component 2 includes two groups of transport rails 21, which are arranged in parallel at the bottom end of the transfer fixed frame 1, and the two groups of transport rails 21 are respectively arranged on both sides of the lifting component 3. During use, the pallet 6 is transported to the top of the lifting component 3 through the transport rails 21. When the pallet 6 is lifted to the upper structure of the transfer fixed frame 1 by the lifting component 3, the lifting component 3 can contact the center part of the bottom end of the pallet 6, thereby ensuring the stability of the lifting component 3 during the process of lifting the pallet 6.

[0063] Further, such as Figure 4As shown in the figure, in this embodiment, there are two sets of clamping components 4 on the transfer fixing frame 1. The two sets of clamping components 4 are arranged on both sides of the movable channel and are arranged opposite to each other. When the lifting component 3 lifts the tray 6 to the upper structure of the transfer fixing frame 1, the two sets of clamping components 4 on both sides of the movable channel clamp the tray 6 at the same time. Thus, while fixing the tray 6 to the upper structure of the transfer fixing frame 1, the stability of the tray 6 during the clamping process by the clamping component 4 is ensured.

[0064] Exemplarily, in this embodiment, the clamping component 4 includes a fixing member 41, a sliding rod 42 and a clamping member 43. The fixing member 41 is fixedly arranged on the transfer fixing frame 1; there is a sliding hole on the fixing member 41, the sliding rod 42 is slidably arranged in the sliding hole, and one end of the sliding rod 42 extends out of the sliding hole and is connected to the clamping member 43. During the process of the clamping component 4 clamping the tray 6, the clamping member 43 is controlled to move towards the direction close to the tray 6, so that the clamping member 43 can be connected to the tray 6.

[0065] Exemplarily, in this embodiment, a receiving member 44 is further provided at the bottom end of the clamping member 43. It can be understood that the longitudinal section of the clamping member is in an "L" - shaped structure. During the process of the clamping component 4 clamping the tray 6, the clamping member 43 receives the bottom end of the tray 6 through the receiving member. Thus, while fixing the tray 6 to the upper structure of the transfer fixing frame 1, the stability of the tray 6 during the clamping process by the clamping component 4 is ensured.

[0066] Furthermore, in this embodiment, the tray 6 switching system further includes a proximity sensor 7. The proximity sensor 7 is electrically connected to the transportation component 2. The proximity sensor 7 is used to detect the position of the tray 6 and control the transportation component 2 according to the position of the tray 6. Exemplarily, in this embodiment, the proximity sensor 7 is arranged near the lifting component 3. When the transportation component 2 transports the tray 6 to directly above the lifting component 3, at this time, the tray 6 approaches the proximity sensor 7 and is detected by the proximity sensor 7. The proximity sensor 7 sends a stop instruction to the transportation component 2. After receiving the stop instruction, the transportation component 2 stops running, and then the tray 6 is parked directly above the lifting component 3, thereby reducing the operation difficulty of the tray 6 switching system.

[0067] Exemplarily, in this embodiment, the proximity sensor 7 can also be used to control the lifting component 3. When the proximity sensor 7 detects that the tray 6 is far away from directly above the lifting component 3, it controls the lifting component 3 to take out the tray 6 stored in the upper structure of the transfer fixing frame 1, thereby reducing the operation difficulty of the tray 6 switching system.

[0068] It should be noted that this application is not limited to the above-mentioned embodiments. The above-mentioned embodiments are only examples, and embodiments with the same structure and the same function and effect as the technical idea within the scope of the technical solution of this application are all included in the technical scope of this application. In addition, within the scope of not departing from the gist of this application, various modifications that those skilled in the art can think of to the embodiments, and other ways constructed by combining some of the constituent elements in the embodiments are also included in the scope of this application.

Claims

1. A pallet switching system for a gold separation device, characterized in that: include: A transfer fixing frame, wherein the transfer fixing frame is a multi-layer structure, and a movable channel is provided inside the transfer fixing frame along the height direction of the transfer fixing frame; A transport component, which is arranged on the bottom layer of the transfer fixed frame and passes through the movable channel, and is used to transport the pallet; A lifting assembly, used for driving the tray to move in the movable channel; A clamping assembly is arranged on the transfer fixing frame and is used to fix the tray to the upper layer of the transfer fixing frame.

2. The pallet switching system of the gold separation device according to claim 1 is characterized in that: The lifting assembly includes a lifting plate and a first driving mechanism. The lifting plate is arranged in the movable channel. The movable end of the first driving mechanism is connected to the lifting plate. The first driving mechanism drives the tray to move in the movable channel through the lifting plate.

3. The pallet switching system of the gold separation device according to claim 2 is characterized in that: The lifting assembly also includes a fixed slide rod, a fixing hole is provided at the bottom end of the transfer fixing frame, the fixed slide rod is slidably arranged in the fixing hole, and one end of the fixed slide rod is connected to the lifting plate for supporting the lifting plate.

4. The pallet switching system of the gold separation device according to claim 1 is characterized in that: The transport assembly comprises: A transport rail, which is arranged at the bottom end of the transfer fixed frame and passes through the movable channel for transporting the pallet; A driving slide rail, wherein the driving slide rail is arranged on the transfer fixing frame and the driving slide rail is arranged parallel to the transport slide rail; A dragging mechanism, the dragging mechanism is slidably disposed on the driving slide rail and is used for engaging with the tray; A second driving mechanism, wherein an output end of the second driving mechanism is connected to the dragging mechanism, and the second driving mechanism drives the pallet to move along the transport slide rail through the dragging mechanism.

5. The tray switching system of the gold separation device according to claim 4 is characterized in that: The transport assembly comprises two groups of transport rails, the two groups of transport rails are arranged in parallel at the bottom end of the transfer fixing frame, and the two groups of transport rails are arranged on both sides of the lifting assembly respectively.

6. The tray switching system of the gold separation device according to claim 4 is characterized in that: The dragging mechanism comprises: A slide, which is slidably disposed on the driving slide rail and connected to an output end of the second driving mechanism; A fork member is telescopically arranged on the slide and is used for engaging with the pallet.

7. The tray switching system of the gold separation device according to claim 1 is characterized in that: The transfer fixing frame is provided with two groups of the clamping components, the two groups of the clamping components are arranged on both sides of the movable channel, and the two groups of the clamping components are arranged opposite to each other.

8. The tray switching system of the gold separation device according to claim 7, characterized in that: The clamping assembly comprises: A fixing member, the fixing member being fixedly arranged on the transfer fixing frame; A sliding rod, wherein the fixing member is provided with a sliding hole, the sliding rod is slidably arranged in the sliding hole, and one end of the sliding rod extends out of the sliding hole; A clamping piece is arranged at one end of the sliding rod extending out of the sliding hole and is used for connecting with the tray.

9. The tray switching system of the gold separation device according to claim 8, characterized in that: A receiving member is also provided at the bottom end of the clamping member, and the receiving member is used to receive the bottom end of the tray.

10. The tray switching system of the gold separation device according to claim 1, characterized in that: A proximity sensor is also included. The proximity sensor is electrically connected to the transport component and is used to detect the position of the pallet.

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