Disassembly-convenient charging tray for flexible vibration disc

Abstract

The utility model discloses a detachable charging tray for a flexible vibrating disk, which comprises a base, a vibrating plate is arranged above the base, and the lower end of the vibrating plate is fixedly connected with the base through a voice coil motor; a charging tray is arranged above the vibrating plate, and a rectangular through hole corresponding to the charging tray is formed in the middle of the vibrating plate; limiting guide blocks are symmetrically installed on the two short side edges of the rectangular through hole, and limiting sliding grooves are formed in the sides, close to the rectangular through hole, of the limiting guide blocks. A limiting sliding block is arranged at the front end of the side, close to the limiting guide block, of the material disc, and the limiting sliding block is arranged in the limiting sliding groove. According to the utility model, by designing the detachable charging tray, a user can quickly and simply replace charging trays of different models or types so as to meet the feeding requirements of different nuts or bolts; the design obviously improves the flexibility and adaptability of the production line, so that the production adjustment is quicker and more efficient; and due to the design of the detachable charging tray, the time and the labor cost required for replacing the charging tray are reduced, so that the overall production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to flexible vibration disc technical field, especially a kind of for flexible vibration disc's easy-to-assemble tray. BACKGROUND

[0002] In the current highly automated production manufacturing process, nut or screw feeding link as the key link of many industrial product manufacturing, its importance is self-evident. Traditional process generally relies on precision mechanical arm, accurately picks up nut or screw from material tray fixed on vibration disc, to support subsequent production process.

[0003] However, this traditional mode has significant limitations: material tray and vibration disc are often designed as inseparable whole structure;This design defect directly leads to the complexity and inefficiency of material tray replacement, and whenever facing the replacement demand of nut model, production enterprises often have to face a dilemma-whether to replace the whole set of equipment at great cost or to endure the tedious and time-consuming equipment adjustment process. This design mode lacking flexibility not only seriously hinders the rapid response capability of production line, but also greatly reduces the overall work efficiency. Therefore, the market urgently needs a material tray that can be conveniently disassembled and adapted to various nut models to break the traditional constraints and improve the flexibility and efficiency of production line. SUMMARY

[0004] The utility model aims at providing a kind of for flexible vibration disc's easy-to-assemble tray to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of for flexible vibration disc's easy-to-assemble tray, including base, wherein base upper side is equipped with vibration plate;The lower end of the vibration plate four corners is equipped with voice coil motor respectively, wherein the upper end of voice coil motor is fixedly connected with vibration plate, and the lower end of voice coil motor is fixedly connected with base by cushion block;The upper side of vibration plate is equipped with tray, wherein the middle of vibration plate is equipped with the rectangular through-hole corresponding with tray;Two short sides of the rectangular through-hole are symmetrically equipped with limiting guide block, wherein limiting guide block is long strip structure;The lower end of limiting guide block is fixedly connected with vibration plate, wherein the side of limiting guide block close to rectangular through-hole is equipped with limiting sliding slot;The tray is rectangular structure, wherein the length of tray is equivalent to the spacing of two limiting guide blocks;The front end of the side of tray close to limiting guide block is equipped with limiting sliding block, wherein limiting sliding block is arranged in limiting sliding slot, and is slidably connected with limiting sliding slot.

[0007] Preferably, the side of vibration plate close to the front end of limiting guide block is equipped with index positioning pin, wherein index positioning pin is fixedly connected with vibration plate by fixed support.

[0008] Preferably, the tray is provided with a positioning hole on one side close to the indexing positioning pin, wherein the positioning hole is matched with the indexing positioning pin.

[0009] Preferably, the front end of the tray is provided with a recessed handle.

[0010] Preferably, the tray is a flat disc, wherein the flat disc is used for placing nuts.

[0011] Preferably, the tray is a grooved disc, wherein the grooved disc is used for placing bolts.

[0012] Preferably, the tray is made of transparent PP material or PC material.

[0013] Preferably, the base is symmetrically provided with a guide shaft on one side, wherein the upper end of the guide shaft is provided with an optical positioning assembly, and the optical positioning assembly is arranged above the tray.

[0014] Preferably, a support plate is arranged between the base and the vibrating plate, wherein the upper end of the support plate is provided with an LED lamp plate, and the LED lamp plate is located directly below the tray.

[0015] Compared with the prior art, the utility model discloses a convenient-to-disassemble tray, which can be quickly and simply replaced with different models or types of trays to meet the feeding requirements of different nuts or bolts, thereby improving the flexibility and adaptability of the production line, making the production adjustment more rapid and efficient, reducing the time and labor cost required for replacing the tray, and improving the overall production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the whole structure schematic diagram of the utility model;

[0017] Figure 2 is the structure schematic diagram of the utility model vibration plate and material tray connection;

[0018] Figure 3 is the mechanism schematic diagram inside the utility model base;

[0019] Figure 4 is the structure schematic diagram of the utility model vibration plate;

[0020] Figure 5 is the structure schematic diagram of the utility model limiting guide block;

[0021] Figure 6 is the structure schematic diagram of the utility model index positioning pin;

[0022] Figure 7 is the structure schematic diagram of the utility model plane disc;

[0023] Figure 8 is the structure schematic diagram of the utility model groove disc.

[0024] Wherein: 1, base;2, vibration plate;3, voice coil motor;4, cushion block;5, material tray;501, plane disc;502, groove disc;6, rectangular through hole;7, limiting guide block;8, limiting sliding slot;9, limiting sliding block;10, index positioning pin;11, fixed support;12, positioning hole;13, recess handle;14, nut;15, bolt;16, guide shaft;17, optical positioning assembly;18, support plate;19, LED lamp disc. Specific implementation

[0025] The utility model makes further detailed explanation in combination with the drawings.

[0026] Please combine with reference to Figures 1 to 8 In order to realize above-mentioned purpose, the utility model provides the following technical scheme:

[0027] The utility model provides a detachable material tray for flexible vibration disc, including base 1, wherein the base 1 is equipped with vibration plate 2, vibration plate 2 lower end four corner positions are equipped with voice coil motor 3 respectively, wherein voice coil motor 3 upper end is fixedly connected with vibration plate 2, and voice coil motor 3 lower end is fixedly connected with base 1 through cushion block 4, vibration plate 2 is equipped with material tray 5, wherein vibration plate 2 middle is equipped with the rectangular through -hole 6 corresponding with material tray 5, the rectangular through -hole 6 both short sides are symmetrically installed with limiting guide block 7, wherein limiting guide block 7 is strip structure, limiting guide block 7 lower end is fixedly connected with vibration plate 2, wherein limiting guide block 7 is equipped with limiting sliding slot 8 near one side of rectangular through -hole 6, material tray 5 is rectangular structure, wherein the length of material tray 5 is equivalent with the interval of two limiting guide blocks 7, material tray 5 is equipped with limiting sliding block 9 near the front end of one side of limiting guide block 7, wherein limiting sliding block 9 is arranged in limiting sliding slot 8 and is slidably connected with limiting sliding slot 8.

[0028] Base 1 is the support structure of the whole device, and is stably installed at a required working position to provide stable support for the vibration plate 2 and voice coil motor 3 above; the vibration plate 2 is located above the base 1 and is the main platform for the material tray 5 to vibrate and feed; wherein the vibration plate 2 is driven by the voice coil motor 3 below to generate high-frequency vibration, so that the materials (such as nuts 14 and bolts 15) placed on the material tray 5 move in a specific direction under the action of vibration; the voice coil motor 3 is installed at the four corner positions of the lower end of the vibration plate 2 and is the key component for driving the vibration plate 2 to vibrate; wherein the upper end of the voice coil motor 3 is fixedly connected with the vibration plate 2, and the lower end is fixedly connected with the base 1 through the cushion block 4; when the voice coil motor 3 is powered, it will generate electromagnetic force to drive the vibration plate 2 to vibrate at high frequency; the material tray 5 is placed above the vibration plate 2 and is used to load the materials to be fed, and the material tray 5 has a size corresponding to the rectangular through -hole 6 opened in the middle of the vibration plate 2; the limiting guide block 7 is symmetrically installed at both short sides of the rectangular through -hole 6, the limiting sliding slot 8 is opened on the limiting guide block 7, the limiting sliding block 9 is arranged at the front end of one side of the limiting guide block 7, and the limiting sliding block 9 is slidably connected with the limiting sliding slot 8; this design ensures that the material tray 5 can maintain a stable position during vibration and prevent it from deviating or tilting.

[0029] In use, first, the base 1 is fixed at the required working position; then the vibrating plate 2, voice coil motor 3 and cushion block 4 and other components are assembled together according to the design requirements, ensuring that the connection between the components is firm and reliable; finally, the tray 5 is placed on the vibrating plate 2 and fixed through the sliding connection of the limiting sliding block 9 and the limiting sliding groove 8; when feeding is needed, the voice coil motor 3 is powered to generate high-frequency vibration, and the vibrating plate 2 starts to vibrate under the drive of the voice coil motor 3, and then drives the material on the tray 5 to move; under the action of vibration, the material moves along a specific direction of the tray 5 and is arranged in order until it is grabbed by a mechanical arm or other material taking device and sent to the next process; when different models or types of materials need to be replaced, the existing tray 5 can be easily disassembled and replaced with a new tray 5; since the tray 5 is fixed between the vibrating plate 2 through the sliding connection of the limiting sliding block 9 and the limiting sliding groove 8, the replacement process is simple and fast, without the need for additional tools or equipment.

[0030] Please refer to Figure 2 、 Figure 4 , as an embodiment of the utility model, the vibrating plate 2 one side is close to the limiting guide block 7 front end and is equipped with the index positioning pin 10, wherein the index positioning pin 10 is fixedly connected with the vibrating plate 2 through the fixed support 11.

[0031] In the above-mentioned scheme, the index positioning pin 10 is a precisely manufactured positioning element, usually having a cylindrical or conical structure, with a diameter and length determined according to specific application requirements; the main function of the index positioning pin 10 is to provide an accurate positioning reference point to ensure the stability and accuracy of the tray 5 during vibration; the fixed support 11 is a component for supporting and fixing the index positioning pin 10, which is usually designed to match the shape of the vibrating plate 2 structure, and is firmly fixed on the vibrating plate 2 by welding, bolt 15 connection or other fastening methods; the fixed support 11 should have sufficient strength and rigidity to withstand the dynamic load generated by the tray 5 and the material during vibration; the index positioning pin 10 is installed on the vibrating plate 2 side near the front end of the limiting guide block 7, and the position is selected to ensure that the index positioning pin 10 can cooperate with the corresponding positioning hole 12 or structure on the tray 5, thereby providing accurate positioning and guiding effect when the tray 5 is installed;

[0032] Before the tray 5 is ready to be installed, first make sure that the index positioning pin 10 has been correctly installed and fixed on the vibrating plate 2; at the same time, check whether the surface of the index positioning pin 10 is clean and undamaged to ensure that it can be well matched with the positioning structure on the tray 5; place the tray 5 on the vibrating plate 2 and make it align with the index positioning pin 10 on the side close to the limiting guide block 7; then, gently push the tray 5 so that the index positioning pin 10 is inserted into the corresponding positioning hole 12 or structure on the tray 5; in this process, the index positioning pin 10 plays a guiding and positioning role to ensure that the tray 5 can be accurately and stably installed on the vibrating plate 2; after the tray 5 is installed, start the voice coil motor 3 below the vibrating plate 2 to make the vibrating plate 2 start high-frequency vibration; in this process, the index positioning pin 10 ensures that the tray 5 maintains a stable position and posture during vibration to prevent it from deviating or tilting; when it is necessary to replace trays 5 of different models or types, the existing tray 5 can be easily removed and replaced with a new one; in the replacement process, the index positioning pin 10 still plays a positioning and guiding role to ensure that the new tray 5 can be accurately and quickly installed on the vibrating plate 2; at the same time, the index positioning pin 10 is regularly checked and maintained to ensure that its surface is clean, undamaged, and maintains good matching precision.

[0033] Please refer to Figure 4 、 Figure 6 As an embodiment of the present application, the tray 5 is provided with a positioning hole 12 on the side close to the index positioning pin 10, wherein the positioning hole 12 is matched with the index positioning pin 10.

[0034] In the above-mentioned scheme, the positioning hole 12 is usually designed as a cylindrical or conical hole matched with the index positioning pin 10, and its diameter and depth are determined according to the size and shape of the index positioning pin 10; wherein the main function of the positioning hole 12 is to provide an accurate matching point so that the tray 5 can be accurately and stably matched with the index positioning pin 10 on the vibrating plate 2 during installation; the positioning hole 12 is provided on the side of the tray 5 close to the index positioning pin 10, usually on the side edge of the tray 5, and this position is selected to ensure that the positioning hole 12 can be aligned with the index positioning pin 10 and inserted during installation of the tray 5, thereby realizing accurate positioning and guiding.

[0035] Before the tray 5 is ready to be installed, first make sure that the index positioning pin 10 on the vibrating plate 2 has been correctly installed and fixed; Place the tray 5 on the vibrating plate 2, and align the positioning hole 12 on the side close to the index positioning pin 10; Then, gently push the tray 5, so that the positioning hole 12 gradually approaches and finally completely inserts the index positioning pin 10; During this process, the positioning hole 12 plays a guiding and positioning role, ensuring that the tray 5 can be accurately and stably installed on the vibrating plate 2; After the positioning hole 12 completely matches the index positioning pin 10, the tray 5 will be firmly fixed on the vibrating plate 2; At this time, you can further check whether the position and posture of the tray 5 are accurate, and whether there is any deviation or tilt, and if any problems are found, you can adjust and re-fix the tray 5 in time; When you need to replace a different model or type of tray 5, you can easily remove the existing tray 5, and during the removal process, the cooperation of the positioning hole 12 and the index positioning pin 10 allows the tray 5 to be smoothly separated from the vibrating plate 2, then place the new tray 5 on the vibrating plate 2, and repeat the alignment, insertion and fixing steps described above; Through precise design and matching process, the positioning hole 12 and the index positioning pin 10 can jointly realize the accurate positioning and guiding function of the tray 5, thereby improving the efficiency and reliability of the entire feeding system.

[0036] Please refer to Figure 7 、 Figure 8 , as an embodiment of the present application, the front end of the tray 5 is provided with a recessed handle 13.

[0037] In the above-mentioned scheme, the design of the recessed handle 13 is mainly to facilitate the operator to easily and safely hold the tray 5 when replacing or moving the tray 5, and by providing a comfortable holding point, the recessed handle 13 reduces the risk of slipping or hand fatigue that the operator may encounter when carrying the tray 5; The recessed handle 13 is usually designed as a concave arc-shaped or rectangular groove, located at an easily accessible position at the front end of the tray 5, and its size and shape are optimized according to the size of the tray 5 and the size of the operator's hand to ensure the best holding comfort and functionality; When replacing the tray 5, the operator can easily lift the tray 5 by inserting his fingers into the recessed handle 13 and gently holding the tray 5; The design of the recessed handle 13 makes the holding more stable, reducing the risk of accidents caused by hand slipping; On the automatic production line, quickly replacing the tray 5 is one of the key factors to improve production efficiency, and the recessed handle 13 allows the operator to quickly and accurately hold and lift the tray 5, thereby speeding up the replacement process and improving work efficiency.

[0038] Please refer to Figure 7 , as an embodiment of the present application, the tray 5 is a flat disc 501, wherein the flat disc 501 is used to place the nut 14.

[0039] In the above-mentioned scheme, the flat disc 501 is a flat, smooth rectangular disc structure, and its surface is specially treated to ensure that the nuts 14 can be stably placed and not easily slide off; the flat disc 501 is specially used to place the nuts 14, which can be various sizes and types, such as hexagonal nuts 14, square nuts 14, etc.; the design of the flat disc 501 allows the nuts 14 to be arranged in a single layer in an orderly manner, thereby facilitating subsequent vibration feeding and mechanical arm grabbing.

[0040] Before production begins, the operator loads the required type and quantity of nuts 14 onto the flat disc 501, which should be evenly distributed on the flat disc 501 to ensure uniform stress and smooth movement during vibration; when the voice coil motor 3 below the vibration plate 2 starts, the flat disc 501 begins to vibrate at high frequency, which makes the nuts 14 on the flat disc 501 start to move in a certain direction (such as a circular path or a linear path), and by adjusting the vibration frequency and amplitude, the movement speed and feeding efficiency of the nuts 14 can be controlled; during the vibration process, the nuts 14 will gradually be oriented and arranged into the required shape and order, which is usually achieved by setting a specific vibration pattern or guide structure on the flat disc 501, and the oriented nuts 14 are more easily grabbed and carried by the mechanical arm or other material taking devices.

[0041] Please refer to Figure 8 , as an embodiment of the utility model, the tray 5 is a groove disc 502, wherein the groove disc 502 is used for placing the bolts 15.

[0042] In the above-mentioned scheme, the groove disc 502 is usually designed with multiple grooves of different depths and shapes, which are used to accommodate and fix the bolts 15, and the size and shape of the grooves are customized according to the specifications (such as diameter, length, head type, etc.) of the bolts 15 to ensure that the bolts 15 can be stably placed in the grooves without easily sliding or rolling; the main function of the groove disc 502 is to serve as a temporary storage and sorting platform for the bolts 15, which can ensure that the bolts 15 are accurately arranged in a predetermined order and quantity during automatic assembly or sorting, thereby improving production efficiency and product quality.

[0043] In the initial stage of the automatic production line, the operator or automatic equipment places the bolts 15 in the groove disc 502; when the vibrator starts, the groove disc 502 begins to vibrate at high frequency, which makes the bolts 15 in the grooves start to move along the direction of the grooves and gradually arrange into the required shape and order; by adjusting the vibration frequency and amplitude, the movement speed and feeding efficiency of the bolts 15 can be controlled to meet different production needs; when the bolts 15 are oriented and sorted to the designated position, the grabbing device or mechanical arm will extend into the groove disc 502 and grab the bolts 15, and then the grabbing device will carry the bolts 15 to the next process for further processing or assembly.

[0044] As an embodiment of the present application, the tray 5 is made of transparent PP or PC material. Figure 2

[0045] In the above scheme, polypropylene (PP) is a lightweight, strong and durable plastic material, and the light-transmitting PP material has good transparency and optical performance, allowing light to penetrate the tray 5 and illuminate the nut and other objects on it. This material also has good chemical resistance and corrosion resistance, suitable for various working environments; polycarbonate (PC) is a high-performance thermoplastic material with extremely high transparency and impact strength. The tray 5 made of PC material not only has excellent light transmission performance, but also can withstand large mechanical stress and temperature changes; in addition, PC material has good processability and plasticity, making it easy to make trays 5 of various shapes and sizes; whether it is PP material or PC material, the tray 5 made of it has high transparency, which can ensure that light penetrates the tray 5 and clearly illuminates the nut and other objects on it. This feature is crucial for image acquisition and recognition of optical positioning systems.

[0046] As an embodiment of the present application, the base 1 is symmetrically mounted with a guide shaft 16 on one side, wherein the upper end of the guide shaft 16 is provided with an optical positioning assembly 17, and the optical positioning assembly 17 is arranged above the tray 5. Figure 1

[0047] In the above scheme, the guide shaft 16 is symmetrically mounted on one side of the base 1, used to guide and support the up and down movement of the optical positioning assembly 17; the guide shaft 16 is usually made of high-precision, low-friction material such as stainless steel or hard alloy to ensure the stability and accuracy of movement; the optical positioning assembly 17 is arranged at the upper end of the guide shaft 16, above the tray 5; wherein the optical positioning assembly 17 is usually composed of high-precision cameras, lenses, light sources and image processing systems, etc., used for high-precision positioning and identification of materials on the tray 5.

[0048] ​​At the beginning of the automated production line, the operator or the automated equipment loads the materials to be sorted or positioned onto the tray 5; the materials should be evenly distributed on the tray 5 and ensure that the surface is clean and unobstructed to facilitate the identification and positioning of the optical positioning assembly 17; when the material loading is completed, the optical positioning assembly 17 starts working; the high-precision camera captures the image of the material on the tray 5 through the lens, and the light source provides appropriate lighting conditions to ensure that the image is clear and has moderate contrast; the image processing system processes and analyzes the captured image to identify the type, position, shape, and size of the material; according to the identification result, the optical positioning assembly 17 generates accurate positioning data to guide the subsequent grabbing, handling, or sorting operations; under the guidance of the optical positioning assembly 17, the grabbing device (such as a mechanical arm, a gripper, etc.) accurately moves above the material; the grabbing device accurately grabs the material according to the positioning data provided by the optical positioning assembly 17, and then the grabbing device carries the material to the next process for further processing or assembly.

[0049] Please refer to Figure 2 As an embodiment of the present application, a support plate 18 is arranged between the base 1 and the vibrating plate 2, wherein the support plate 18 is provided with an LED lamp panel 19 installed at the upper end of the support plate 18, and the LED lamp panel 19 is located directly below the tray 5.

[0050] In the above-mentioned scheme, the support plate 18 is located between the vibrating plate 2 and the LED lamp panel 19, which plays a role in supporting and fixing the LED lamp panel 19; the support plate 18 is usually designed to have appropriate strength and rigidity to ensure the stability and safety of the LED lamp panel 19 during the vibration process; the LED lamp panel 19 is installed at the upper end of the support plate 18 and is located directly below the tray 5, wherein the LED lamp panel 19 provides uniform and bright lighting conditions for illuminating the materials on the tray 5 to facilitate visual detection, positioning, or sorting; the LED lamp panel 19 is usually designed to have adjustable brightness and color temperature to adapt to different materials and detection requirements.

[0051] Although the specific embodiments of the present application are described above, those skilled in the art should understand that these are only illustrative, and the protection scope of the present application is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present application, and these changes and modifications all fall within the protection scope of the present application.

Claims

1. A detachable tray for a flexible vibrating tray, comprising a base (1), wherein a vibrating plate (2) is arranged above the base (1); characterized in that, The lower end of the vibrating plate (2) is provided with a voice coil motor (3) at each corner, wherein the upper end of the voice coil motor (3) is fixedly connected with the vibrating plate (2), and the lower end of the voice coil motor (3) is fixedly connected with the base (1) through a cushion block (4); the vibrating plate (2) is provided with a material tray (5) above, wherein a rectangular through hole (6) corresponding to the material tray (5) is formed in the middle of the vibrating plate (2); the two short sides of the rectangular through hole (6) are symmetrically provided with a limiting guide block (7), wherein the limiting guide block (7) is in a long strip structure; the lower end of the limiting guide block (7) is fixedly connected with the vibrating plate (2), wherein a limiting sliding groove (8) is formed on the side of the limiting guide block (7) close to the rectangular through hole (6); the material tray (5) is in a rectangular structure, wherein the length of the material tray (5) is equivalent to the distance between the two limiting guide blocks (7); the side of the material tray (5) close to the limiting guide block (7) is provided with a limiting sliding block (9) at the front end, wherein the limiting sliding block (9) is arranged in the limiting sliding groove (8) and is in sliding connection with the limiting sliding groove (8).

2. A quick release tray for a flexible vibrating tray as claimed in claim 1, wherein, The side of the vibrating plate (2) close to the front end of the limiting guide block (7) is provided with a dividing positioning pin (10), wherein the dividing positioning pin (10) is fixedly connected with the vibrating plate (2) through a fixed support (11).

3. A quick release tray for a flexible vibrating tray as claimed in claim 1, wherein, The side of the material tray (5) close to the dividing positioning pin (10) is provided with a positioning hole (12), wherein the positioning hole (12) is matched with the dividing positioning pin (10).

4. A quick release tray for a flexible vibrating tray as claimed in claim 3, wherein, The front end of the material tray (5) is provided with a recessed handle (13).

5. A quick release tray for a flexible vibrating tray as defined in claim 3, wherein, The material tray (5) is a flat disc (501), wherein the flat disc (501) is used for placing a nut (14).

6. A quick release tray for a flexible vibrating tray as claimed in claim 5, wherein, The material tray (5) is a grooved disc (502), wherein the grooved disc (502) is used for placing a bolt (15).

7. A quick release tray for a flexible vibrating tray as defined in claim 3, wherein, The material tray (5) is made of transparent PP material or PC material.

8. A quick release tray for a flexible vibrating tray as defined in claim 1, wherein, The base (1) is symmetrically provided with a guide shaft (16) on one side, wherein the upper end of the guide shaft (16) is provided with an optical positioning assembly (17), and the optical positioning assembly (17) is arranged above the material tray (5).

9. A quick release tray for a flexible vibrating tray as defined in claim 8, wherein, The base (1) and the vibrating plate (2) are provided with a supporting plate (18) therebetween, wherein the upper end of the supporting plate (18) is provided with an LED lamp panel (19), and the LED lamp panel (19) is located directly below the material tray (5).

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