Automatic feeding single-row multi-pole waterproof connector assembling device

Abstract

The utility model discloses a single column type waterproof connector assembly device of many pole numbers of automatic feeding, it includes: equipment box, the equipment box inner surface fixedly connected with fixed plate, the lateral wall fixedly connected with two mounting plates of fixed plate, the lower surface fixedly connected with a plurality of industry cameras of two mounting plates, the lateral wall fixedly connected with three first hydraulic pumps of equipment box, the output all fixedly connected with first hydraulic rod of three first hydraulic pumps, one end fixedly connected with connecting block of first hydraulic rod, the upper surface fixedly connected with second hydraulic pump of connecting block. Through fixed plate provides stable support for mounting plate, industry camera, and industry camera can accurately detect part direction, and first hydraulic pump, first hydraulic rod drive connecting block horizontal movement, and second hydraulic pump, second hydraulic rod realize vertical adjustment, and cooperate adjustment motor, adjustment rotating column fine adjustment angle, make the clamping cooperation piece accurate catch part, improve assembly efficiency and precision.

Description

Technical Field

[0001] This utility model relates to the field of waterproof connector processing technology, and in particular to an automatic feeding single-row multi-pole waterproof connector assembly device. Background Technology

[0002] With the booming development of industrial automation, intelligent equipment and outdoor facilities, the performance requirements for electronic connection components are becoming increasingly stringent. Single-row multi-pole waterproof connectors have emerged to meet this demand. In scenarios such as industrial control, power transmission, outdoor lighting and shipbuilding, equipment often faces harsh environments such as humidity, water splashes and dust, which ordinary connectors cannot handle. The demand for waterproof connectors has grown rapidly. The single-row multi-pole design can realize multiple circuit connections in a limited space, meeting the trend of equipment miniaturization and integration.

[0003] Traditional equipment suffers from low assembly efficiency, poor precision, and high rework rate due to the special structure of single-row multi-pole waterproof connectors. The long plug length makes them prone to deformation, and the long rubber ring length makes automatic feeding and orientation difficult. This makes it difficult to meet the needs of large-scale, high-quality production of single-row multi-pole waterproof connectors. Utility Model Content

[0004] The purpose of this utility model is to provide an automatic feeding single-row multi-pole waterproof connector assembly device. The device provides stable support for the mounting plate and industrial camera through a fixed plate. The industrial camera can accurately detect the orientation of the parts. The first hydraulic pump and the first hydraulic rod drive the connecting block to move horizontally. The second hydraulic pump and the second hydraulic rod realize vertical adjustment. With the help of the adjustment motor and the adjustment rotating column to finely adjust the angle, the snap-fit ​​block can accurately grasp the parts, thereby improving the assembly efficiency and accuracy.

[0005] To achieve the above objectives, an automated feeding single-row multi-pole waterproof connector assembly device is provided, comprising: an equipment box; a fixing plate fixedly connected to the inner surface of the equipment box; two mounting plates fixedly connected to the side wall of the fixing plate; a plurality of industrial cameras fixedly connected to the lower surface of the two mounting plates; three first hydraulic pumps fixedly connected to the side wall of the equipment box; a first hydraulic rod fixedly connected to the output end of each of the three first hydraulic pumps; a connecting block fixedly connected to one end of each first hydraulic rod; a second hydraulic pump fixedly connected to the upper surface of the connecting block; a second hydraulic rod fixedly connected to the output end of each second hydraulic pump; an adjusting motor fixedly connected to the lower surface of each second hydraulic rod; an adjusting rotating column fixedly connected to the output end of the adjusting motor; and a snap-fitting block fixed to the lower surface of the adjusting rotating column. This multi-component collaborative approach enables precise detection and gripping of parts, improves assembly accuracy, reduces manual intervention, accelerates the assembly process, and meets the needs of large-scale production.

[0006] According to the aforementioned automatic feeding single-row multi-pole waterproof connector assembly device, the connecting block is located between the fixed plate and the equipment box, and the first hydraulic rod extends into the interior of the equipment box. This rational layout avoids component collisions, the extended hydraulic rod ensures power transmission, guarantees smooth movement of the connecting block, and improves the operational stability of the gripping components.

[0007] According to the aforementioned automatic feeding single-row multi-pole waterproof connector assembly device, the number of connecting blocks corresponds to the number of first hydraulic rods, and the positions of the first hydraulic pump and the mounting plate are staggered. The corresponding number enables independent drive, the staggered layout prevents interference, ensures efficient operation of each component, and improves the overall working efficiency of the device.

[0008] According to the aforementioned automated feeding single-row multi-pole waterproof connector assembly device, the mounting plate is fixedly connected to the inner wall of the equipment box. This double fixing enhances the stability of the mounting plate, prevents camera shake, ensures accurate component inspection, and provides reliable data support for subsequent assembly.

[0009] According to the aforementioned automatic feeding single-row multi-pole waterproof connector assembly device, two drive motors are fixedly connected to the side wall of the equipment box, and the drive motors are located below the first hydraulic pump. A conveying rotating column is fixedly connected to the output end of each drive motor. This vertical layout saves space and prevents interference, while the motor drive ensures sufficient power for transmission, guaranteeing stable parts transport and seamlessly connecting the feeding and gripping processes.

[0010] According to the aforementioned automatic feeding single-row multi-pole waterproof connector assembly device, a rotating roller is fixedly connected to the outer surface of the conveying rotating column, and an anti-stick conveyor belt is rotatably connected to the outer surface of the rotating roller. The anti-stick conveyor belt is located below the snap-fit ​​mating block. The roller and belt work together to transport parts, the anti-stick design prevents the rubber rings from sticking, and the lower layout facilitates gripping, improving the efficiency of parts transport and gripping.

[0011] According to the aforementioned automatic feeding single-row multi-pole waterproof connector assembly device, a screening disc device is provided on the inner surface of the equipment box. The output end of the screening disc device is located above the screening disc device. A protective cover is detachably connected to the upper surface of the equipment box, and a controller is fixedly connected to the side wall of the protective cover. The screening disc enables part orientation, the output end layout facilitates feeding, the protective cover prevents dust and accidental contact, and the controller is easy to operate, ensuring stable operation of the device.

[0012] The above-mentioned solution has the following beneficial effects:

[0013] This utility model comprises a fixed plate, a mounting plate, an industrial camera, a first hydraulic pump, a first hydraulic rod, a connecting block, a second hydraulic pump, a second hydraulic rod, an adjusting motor, an adjusting rotating column, and a snap-fit ​​block. The fixed plate provides stable support for the mounting plate and the industrial camera. The industrial camera can accurately detect the orientation of parts. The first hydraulic pump and the first hydraulic rod drive the connecting block to move horizontally, while the second hydraulic pump and the second hydraulic rod achieve vertical adjustment. In conjunction with the adjusting motor and the adjusting rotating column, the angle is finely adjusted, enabling the snap-fit ​​block to accurately grip parts, thereby improving assembly efficiency and precision.

[0014] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is a perspective view of an automatic feeding single-row multi-pole waterproof connector assembly device according to the present invention.

[0017] Figure 2 This is a front view of an automatic feeding single-row multi-pole waterproof connector assembly device according to the present invention;

[0018] Figure 3 This is a cross-sectional perspective view of an automatic feeding single-row multi-pole waterproof connector assembly device according to the present invention.

[0019] Figure 4 This utility model Figure 3 Enlarged view of the structure at point A in the middle.

[0020] Legend:

[0021] 1. Equipment box; 2. Screening disc device; 3. Protective cover; 4. Controller; 5. Fixing plate; 6. Drive motor; 7. Conveying rotating column; 8. Anti-stick conveyor belt; 9. Mounting plate; 10. Industrial camera; 11. First hydraulic pump; 12. First hydraulic rod; 13. Connecting block; 14. Second hydraulic pump; 15. Adjusting motor; 16. Adjusting rotating column; 17. Snap-fitting block. Detailed Implementation

[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0023] Reference Figure 1-4This utility model discloses an automatic feeding single-row multi-pole waterproof connector assembly device, comprising: an equipment box 1, with a fixing plate 5 fixedly connected to the inner surface of the equipment box 1. The fixing plate 5 serves as the core load-bearing structure, providing a stable mounting reference for subsequent mounting plates 9, industrial cameras 10, and other components. It also integrates various functional components within the equipment box 1, ensuring the compactness and stability of the overall device structure. Two mounting plates 9 are fixedly connected to the side wall of the fixing plate 5. The two mounting plates 9, through their fixed connection with the fixing plate 5, form the mounting carrier for the industrial camera 10. Their positions are staggered with the subsequent first hydraulic pump 11 to avoid interference between components and ensure the spatial rationality of the device during operation. The lower surfaces of the two mounting plates 9 are fixedly connected to... Several industrial cameras 10 are fixed below the mounting plate 5 via mounting plate 9. These cameras can perform real-time visual inspection of connector parts (such as plugs and rubber rings) conveyed on the anti-stick conveyor belt 8 below, determining whether the part orientation meets assembly requirements and providing a positional reference for subsequent component adjustments. Three first hydraulic pumps 11 are fixedly connected to the side wall of the equipment box 1, serving as horizontal drive power sources. The first hydraulic rods 12 connected to their output ends can achieve horizontal extension and retraction under the pump's drive, thereby adjusting the horizontal position of the connecting block 13 and subsequent components. Each of the three first hydraulic pumps 11 has a first hydraulic rod 12 fixedly connected to its output end. One end of each first hydraulic rod 12 is connected to a first hydraulic... Pump 11 has its output end fixed and its other end fixed to connecting block 13. This allows the power of the first hydraulic pump 11 to be converted into horizontal linear motion, pushing connecting block 13 to move within the space between the fixed plate 5 and the equipment box 1. This enables precise adjustment of the horizontal position of the locking block 17. One end of the first hydraulic rod 12 is fixedly connected to connecting block 13. Connecting block 13 serves as an intermediate connecting component, achieving horizontal position following through its fixation to the first hydraulic rod 12, and also supporting the vertical drive component via the second hydraulic pump 14 fixed to its upper surface. It acts as a bridge connecting the horizontal and vertical drive systems. The upper surface of connecting block 13 is fixedly connected to the second hydraulic pump 14, which serves as the vertical drive power source. The upper surface of the connecting block 13 can move horizontally synchronously with the connecting block 13. The second hydraulic rod connected to its output end can extend and retract vertically, providing vertical power to the adjusting motor 15 and the locking block 17. The output end of the second hydraulic pump 14 is fixedly connected to the second hydraulic rod. One end of the second hydraulic rod is fixed to the output end of the second hydraulic pump 14, and the other end is fixed to the adjusting motor 15. This converts the power of the second hydraulic pump 14 into vertical linear motion, driving the adjusting motor 15 and the adjusting rotating column 16 and the locking block 17 below to move up and down, realizing the gripping or releasing action of the parts. The lower surface of the second hydraulic rod is fixedly connected to the adjusting motor 15. The adjusting motor 15 achieves vertical position following by fixing itself to the second hydraulic rod.The adjusting rotating column 16 connected to its output end can rotate around its own axis under the drive of the motor, thereby driving the locking engagement block 17 to adjust its angle, ensuring that the locking engagement block 17 matches the direction of the part. The output end of the adjusting motor 15 is fixedly connected to the adjusting rotating column 16. The adjusting rotating column 16, as a power transmission component, is fixed at one end to the output end of the adjusting motor 15 and at the other end to the locking engagement block 17. It can transmit the rotational power of the adjusting motor 15 to the locking engagement block 17, realizing the fine adjustment of the angle of the locking engagement block 17, ensuring that it is completely consistent with the direction of the part to be gripped. The locking engagement block 17 is fixed on the lower surface of the adjusting rotating column 16. The locking engagement block 17 is connected to the adjusting motor 15 through the adjusting rotating column 16. Under the synergistic action of the first hydraulic pump 11, the second hydraulic pump 14, and the adjusting motor 15, it can achieve precise adjustment of the horizontal and vertical position and angle, and finally achieve precise engagement with the parts on the anti-stick conveyor belt 8 or the parts output by the screening disc device 2, completing the gripping and transfer of the parts.

[0024] The connecting block 13 is located between the fixed plate 5 and the equipment box 1. This position allows the connecting block 13 to move horizontally, guided by the side wall of the fixed plate 5, while avoiding collisions with the inner wall of the equipment box 1 or other components. It also provides ample installation and movement space for components such as the second hydraulic pump 14 and the adjusting motor 15. The first hydraulic rod 12 extends into the interior of the equipment box 1. Only by extending into the interior of the equipment box 1 can the first hydraulic rod 12 be fixedly connected to the connecting block 13 located inside the box, thereby transmitting the power of the first hydraulic pump 11 on the side wall of the equipment box 1 to the actuators inside the box, achieving effective connection between external power and internal actuators. The number of connecting blocks 13 and the number of first hydraulic rods 12 are correspondingly set, ensuring that each connecting block 13 has sufficient space for movement. Each of the three interlocking blocks 13 can obtain independent horizontal driving power, enabling synchronous or independent horizontal adjustment of the three interlocking blocks 17. This adapts to the multi-station assembly requirements of single-row multi-pole connectors. The positions of the first hydraulic pump 11 and the mounting plate 9 are staggered. This staggered arrangement avoids the first hydraulic pump 11 and the mounting plate 9 from obstructing each other in space, which facilitates the installation and maintenance of each component and prevents motion interference between the first hydraulic rod 12 and the mounting plate 9 or the industrial camera 10 during extension and retraction, ensuring smooth operation of the device. The mounting plate 9 is fixedly connected to the inner wall of the equipment box 1. This double fixation (connected to both the fixed plate 5 and the inner wall of the equipment box 1) further enhances the load-bearing stability of the mounting plate 9, preventing the industrial camera 10 from shifting due to vibration during operation. To ensure the accuracy of visual inspection, two drive motors 6 are fixedly connected to the side wall of the equipment box 1, and the drive motors 6 are located below the first hydraulic pump 11. The two drive motors 6 serve as the power source for the conveyor belt and are fixed below the side wall of the equipment box 1. The lower position avoids interference with the first hydraulic pump 11, first hydraulic rod 12, and other components above, while providing stable driving power for the anti-stick conveyor belt 8. A conveyor rotating column 7 is fixedly connected to the output end of the drive motor 6. One end of the conveyor rotating column 7 is fixed to the output end of the drive motor 6, and the other end is fixed to the rotating roller. It can transmit the rotational power of the drive motor 6 to the rotating roller, causing the rotating roller to rotate synchronously, providing the power basis for the operation of the anti-stick conveyor belt 8. A rotating roller is fixedly connected to the outer surface of the conveyor rotating column 7. The roller rotates synchronously with the conveyor rotating column 7, and its outer surface is rotatably connected to the anti-stick conveyor belt 8. Friction forces drive the anti-stick conveyor belt 8 in a cyclical motion, achieving the function of conveying parts. The outer surface of the rotating roller is rotatably connected to the anti-stick conveyor belt 8, which is located below the snap-fit ​​block 17. It can receive parts output from the screening disc device 2 and convey them to the gripping area of ​​the snap-fit ​​block 17. Simultaneously, its anti-stick properties prevent the self-contained oily rubber rings from sticking, ensuring smooth part conveying. The anti-stick conveyor belt 8 is located below the snap-fit ​​block 17; this positional relationship allows the snap-fit ​​block 17 to accurately align with parts on the anti-stick conveyor belt 8 in the vertical direction, completing the gripping action without additional horizontal adjustments.To shorten parts transfer time and improve assembly efficiency, a screening disc device 2 is installed on the inner surface of the equipment box 1. This device serves as an automatic feeding and orientation component for parts such as plugs and rubber rings. It orients complex-shaped parts through vibration or rotation, ensuring that the output parts meet design requirements. This provides qualified materials for subsequent inspection by the industrial camera 10 and gripping by the locking block 17. The output end of the screening disc device 2 is located above the screen, allowing the oriented parts to be smoothly conveyed to the feed end of the anti-stick conveyor belt 8, achieving material connection between the screening disc device 2 and the anti-stick conveyor belt 8 and ensuring the continuity of the feeding process. A protective cover 3 is detachably connected to the upper surface of the equipment box 1. The protective cover 3 covers the equipment box 1, providing dust and accidental contact protection for the core structures inside, such as the fixed plate 5, industrial camera 10, and hydraulic components. The detachable design also facilitates future inspection and maintenance of the internal components. A controller 4 is fixedly connected to the side wall of the protective cover 3. The controller 4 is conveniently located for operators to view and operate the equipment at any time, and it also establishes signal connections with components inside the box, such as the industrial camera 10, the first hydraulic pump 11, and the drive motor 6, through internal wiring. This allows for the setting, monitoring, and control of the entire device's operating parameters, ensuring coordinated operation of all components.

[0025] Working Principle: First, the operator turns on the power to the entire device via the controller 4 fixed to the side wall of the protective cover 3. Simultaneously, the operator sets the part conveying speed, hydraulic component motion parameters, and industrial camera 10 detection standards on the controller 4 to ensure that all components work collaboratively according to the preset program. At this time, the protective cover 3 has been disassembled and installed on the upper surface of the equipment box 1, providing protection for the core components inside. The waterproof connector parts to be assembled (such as complex-shaped plugs or self-oiling rubber rings) are placed into the screening disc device 2 located on the inner surface of the equipment box 1. The screening disc device 2 orients the parts through vibration or rotation, ensuring that the parts are output in the designed direction. Since the output end of the screening disc device 2 is located above it, the oriented parts can be smoothly conveyed to the anti-stick conveyor below. At the feeding end of conveyor belt 8, the feeding and orientation connection are completed. Two drive motors 6 (located below the first hydraulic pump 11) fixed to the side wall of equipment box 1 are started. The output of drive motors 6 drives the conveyor rotating column 7 to rotate, which in turn causes the rotating rollers fixed to the outer surface of the conveyor rotating column 7 to rotate synchronously. The rotating rollers, through friction, drive the anti-stick conveyor belt 8, which is connected to the outer surface, to circulate, conveying the parts from the screening disc device 2 to below the snap-fit ​​block 17. During this process, several industrial cameras 10 fixed to the lower surface of two mounting plates 9 (the mounting plates 9 are fixed to the side wall of the fixed plate 5 and the inner wall of the equipment box 1 respectively, with double fixing to ensure stability) perform real-time visual inspection of the parts on the anti-stick conveyor belt 8, determining whether the part orientation meets the assembly requirements, and recording the inspection results. If the industrial camera 10 detects that the part orientation is acceptable, the controller 4 will drive the three first hydraulic pumps 11 fixed to the side wall of the equipment box 1 to work. The output end of the first hydraulic pump 11 will drive the first hydraulic rod 12 (extending into the equipment box 1) to extend and retract horizontally, thereby pushing the connecting block 13 (located between the fixing plate 5 and the equipment box 1, with the number corresponding to the first hydraulic rod 12) fixed to one end of the first hydraulic rod 12 to move horizontally. This will cause the second hydraulic pump 14 fixed to the upper surface of the connecting block 13 to move synchronously to directly above the part. Then, the second hydraulic pump 14 will drive the second hydraulic rod connected to its output end to extend and retract vertically, causing the adjustment motor 15 fixed to the lower surface of the second hydraulic rod and the components below it to move vertically downward. If the angle of the part needs to be finely adjusted, the adjustment motor 15 will start. The first hydraulic pump 11 rotates the adjusting rotating column 16, thereby adjusting the angle of the locking block 17 fixed on the lower surface of the adjusting rotating column 16 to ensure complete alignment with the part's direction (the first hydraulic pump 11 and the mounting plate 9 are staggered to avoid motion interference). After the locking block 17 is precisely aligned with the part on the anti-stick conveyor belt 8 through horizontal, vertical, and angle fine-tuning, the second hydraulic rod continues to move downward, making the locking block 17 precisely engage with the part. Then, the second hydraulic rod retracts upward, lifting the part. The first hydraulic pump 11 then drives the first hydraulic rod 12 to adjust the position of the connecting block 13, transferring the gripped part to the waterproof connector assembly station, completing a single part gripping and transfer process. Afterward, the anti-stick conveyor belt 8 continues to transport the next batch of parts.Repeat the above detection, adjustment, and gripping steps to achieve continuous automatic assembly preparation for the single-row multi-pole waterproof connector. When the assembly task is completed or maintenance is required, all power components (drive motor 6, first hydraulic pump 11, second hydraulic pump 14, adjustment motor 15, etc.) are shut down via controller 4. Since the protective cover 3 is detachably connected to the upper surface of the equipment box 1, the protective cover 3 can be removed to clean, inspect, or replenish parts for the screening disc device 2, anti-stick conveyor belt 8, industrial camera 10, hydraulic components, etc., inside the equipment box 1. After maintenance, the protective cover 3 is reinstalled, ready for the next use.

[0026] In the description of this utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "side," "top," "inner," "front," "center," and "both ends," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. At the same time, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "fixed installation," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two elements or the interaction relationship between two elements. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0027] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. An automatic feeding single-row multi-pole waterproof connector assembly device, comprising: The equipment box (1) is characterized in that: a fixing plate (5) is fixedly connected to the inner surface of the equipment box (1), two mounting plates (9) are fixedly connected to the side wall of the fixing plate (5), a plurality of industrial cameras (10) are fixedly connected to the lower surface of the two mounting plates (9), three first hydraulic pumps (11) are fixedly connected to the side wall of the equipment box (1), a first hydraulic rod (12) is fixedly connected to the output end of each of the three first hydraulic pumps (11), a connecting block (13) is fixedly connected to one end of the first hydraulic rod (12), a second hydraulic pump (14) is fixedly connected to the upper surface of the connecting block (13), a second hydraulic rod is fixedly connected to the output end of the second hydraulic pump (14), an adjusting motor (15) is fixedly connected to the lower surface of the second hydraulic rod, an adjusting rotating column (16) is fixedly connected to the output end of the adjusting motor (15), and a snap-fitting block (17) is fixed to the lower surface of the adjusting rotating column (16).

2. The automatic feeding single-row multi-pole waterproof connector assembly device according to claim 1, characterized in that: The connecting block (13) is located between the fixing plate (5) and the equipment box (1), and the first hydraulic rod (12) extends into the interior of the equipment box (1).

3. The single-row multi-pole waterproof connector assembly device of claim 1, wherein: The number of connecting blocks (13) and the number of first hydraulic rods (12) are set in a corresponding manner, and the positions of the first hydraulic pump (11) and the mounting plate (9) are staggered.

4. The single-row multi-pole waterproof connector assembly device of claim 1, wherein: The mounting plate (9) is fixedly connected to the inner wall of the equipment box (1).

5. The automatic feeding single-row multi-pole waterproof connector assembly device according to claim 1, characterized in that: Two drive motors (6) are fixedly connected to the side wall of the equipment box (1), and the drive motors (6) are located below the first hydraulic pump (11). The output end of the drive motors (6) is fixedly connected to a transmission rotating column (7).

6. The single-row multi-pole waterproof connector assembly device of claim 5, wherein: A rotating roller is fixedly connected to the outer surface of the conveying rotating column (7), and an anti-stick conveyor belt (8) is rotatably connected to the outer surface of the rotating roller. The anti-stick conveyor belt (8) is located below the snap-fit ​​block (17).

7. The single-row multi-pole waterproof connector assembly device of claim 6, wherein: The inner surface of the equipment box (1) is provided with a screening disc device (2), the output end of the screening disc device (2) is located above the screening disc device (2), and a protective cover (3) is detachably connected to the upper surface of the equipment box (1). A controller (4) is fixedly connected to the side wall of the protective cover (3).

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