High-precision full-coverage dovetail-shaped nozzle plate

Abstract

The application is suitable for the technical field of nozzle plate of color sorter, and particularly relates to a high-precision full-coverage dovetail-shaped nozzle plate, which comprises a nozzle bottom plate, the surface of the nozzle bottom plate is detachably connected with a nozzle cover plate, the surface of the nozzle bottom plate is provided with a plurality of dovetail-shaped nozzles, and the plurality of dovetail-shaped nozzles are orderly distributed on the surface of the nozzle bottom plate in an alternating arrangement mode of wide bottom and narrow top and narrow bottom and wide top. The application can form a nozzle plate structure without a blind area by arranging the plurality of dovetail-shaped nozzles in an alternating arrangement mode of wide bottom and narrow top and narrow bottom and wide top and orderly distributing the plurality of dovetail-shaped nozzles, so that in the actual color selection process, the blind area of the material is struck without a dead angle, thereby forming a full-coverage air jet range, and the material is effectively removed, thereby improving the air jet efficiency of the high-precision full-coverage dovetail-shaped nozzle plate.

Description

Technical Field

[0001] This invention relates to the field of color sorter nozzle plate technology, specifically a high-precision, fully covered dovetail-shaped nozzle plate. Background Technology

[0002] Color sorters are increasingly widely used in modern industrial production, especially in grain processing, ore sorting, and recycling industries. They are used to screen and separate materials of different colors, improving product purity and quality. One of the core components of a color sorter is the nozzle plate, whose design and function directly affect the efficiency and effectiveness of the screening process.

[0003] In existing technology, straight-groove nozzles are widely used in color sorters to remove unqualified materials from the product flow. However, straight-groove nozzles have certain design flaws: due to the linear arrangement of the nozzles, uncovered dead zones can easily form between the spray areas. These dead zones or blind spots prevent the complete removal of materials, especially when the material flow rate is high or the materials are of varying sizes. Therefore, these technical defects not only reduce the screening accuracy of the color sorter but also increase the workload and cost of repeated processing. To address this, the present invention provides a high-precision, fully covered dovetail-shaped nozzle plate to solve the above-mentioned technical problems. Summary of the Invention

[0004] The purpose of this invention is to provide a high-precision, fully covered dovetail nozzle plate, which aims to solve the technical problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A high-precision, full-coverage dovetail nozzle plate includes a nozzle base plate, on which a nozzle cover plate is detachably connected. Several dovetail nozzles are formed on the surface of the nozzle base plate, and the several dovetail nozzles are arranged in an alternating pattern of bottom width and top narrowness and bottom narrowness and top width, and are orderly distributed on the surface of the nozzle base plate.

[0007] An air jet observation structure is provided on the outer side of the nozzle base plate. The air jet observation structure is used to observe the jetting status of all the dovetail nozzles on the nozzle base plate.

[0008] Furthermore, the nozzle cover plate has several fastening screw holes on its surface, and the nozzle base plate has several fastening thread grooves that are adapted to the fastening screw holes on its surface. The fastening thread grooves and fastening thread holes are connected to a locking screw through their internal engagement. The nozzle cover plate is detachably connected to the nozzle base plate through the cooperation of the locking screws, fastening thread holes and fastening thread grooves.

[0009] Furthermore, the nozzle base plate and nozzle cover plate are made of stainless steel or aluminum alloy.

[0010] Furthermore, the jet observation structure includes:

[0011] The nozzle cover plate has a mounting panel on its surface, and a motion seat is slidably connected to the surface of the mounting panel. The motion seat has a mounting bracket on its surface, and a high-speed camera is mounted on the outside of the mounting bracket.

[0012] A precision drive assembly is located on the outside of the mounting panel and the motion base, and is used to drive the motion base and the high-speed camera to move on the surface of the mounting panel through mechanical transmission.

[0013] A positioning component, located on the outside of the mounting panel and the nozzle base plate, is used to define the position of the mounting panel on the nozzle base plate.

[0014] Furthermore, the shooting direction of the high-speed camera corresponds to the spraying direction of the dovetail-shaped nozzle.

[0015] Furthermore, the surface of the mounting panel is provided with a T-shaped guide groove, and the surface of the motion seat is provided with a T-shaped guide slider. The motion seat is slidably connected to the mounting panel through the cooperation of the T-shaped guide slider and the T-shaped guide groove.

[0016] Furthermore, the precision drive component includes:

[0017] A servo motor and a bearing housing are respectively installed on both sides of the mounting panel surface, and a transmission screw is installed together with the output end of the servo motor and the inside of the bearing housing.

[0018] The side of the motion seat is provided with a transmission threaded hole, and the transmission screw is engaged with the inside of the transmission threaded hole.

[0019] Furthermore, the positioning component includes:

[0020] Both sides of the nozzle base plate are connected to fixing blocks, and the surface of the fixing blocks is provided with positioning thread grooves.

[0021] Both sides of the lower side of the mounting panel are connected to support side plates, and the surface of the support side plates is provided with positioning threaded holes. The positioning threaded holes and positioning threaded grooves are engaged with a positioning threaded rod.

[0022] Furthermore, one end of the positioning threaded rod is provided with a twist handle, and the surface of the twist handle is provided with anti-slip texture.

[0023] Furthermore, a PLC intelligent controller is mounted on the surface of the mounting panel, and the PLC intelligent controller is electrically connected to the servo motor and the high-speed camera.

[0024] The high-precision, full-coverage dovetail nozzle plate provided by this invention has the following beneficial effects:

[0025] By arranging several dovetail-shaped nozzles in an alternating pattern of wide bottom and narrow top, and narrow bottom and wide top on the nozzle base plate, a nozzle plate structure without blind spots can be formed. This allows for thorough material removal during color sorting, eliminating blind spots and creating a full-coverage airflow range. This effectively rejects materials, thus improving the airflow efficiency of this high-precision, full-coverage dovetail-shaped nozzle plate. Furthermore, by incorporating an airflow observation structure, the airflow range and effect of each dovetail-shaped nozzle can be automatically and accurately monitored in a timely manner. This prevents staff from being unable to promptly identify and adjust the nozzles in case of airflow abnormalities, thereby expanding the applicability of this high-precision, full-coverage dovetail-shaped nozzle plate. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of a high-precision, fully covered dovetail-shaped nozzle plate.

[0027] Figure 2 For a high-precision, fully covered dovetail-shaped nozzle plate Figure 1 Enlarged view of point A.

[0028] Figure 3 This is a schematic diagram of a high-precision, fully covered dovetail-shaped nozzle plate with a jet observation structure.

[0029] In the diagram: 1. Nozzle base plate; 2. Nozzle cover plate; 3. Locking screw; 4. Dovetail nozzle; 5. Fixing block; 6. Positioning threaded rod; 7. Twist handle; 8. Support side plate; 9. Mounting panel; 10. Servo motor; 11. Transmission screw; 12. Motion seat; 13. High-speed camera; 14. T-shaped guide groove; 15. Bearing seat. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0031] The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

[0032] like Figures 1-2 As shown, an embodiment of the present invention provides a high-precision full-coverage dovetail nozzle plate, including a nozzle base plate 1, and a nozzle cover plate 2 detachably connected to the surface of the nozzle base plate 1. The nozzle base plate 1 and the nozzle cover plate 2 are made of stainless steel or aluminum alloy.

[0033] The surface of the nozzle base plate 1 is provided with a number of dovetail nozzles 4, and the number of dovetail nozzles 4 are arranged in an alternating pattern of bottom width and top narrowness and bottom narrowness and top width, and are distributed in an orderly manner on the surface of the nozzle base plate 1.

[0034] In one embodiment of the present invention, by setting a plurality of dovetail nozzles 4 in an alternating bottom-width-top-narrow and bottom-narrow-top-wide arrangement on the nozzle base plate 1 and the nozzle cover plate 2, a nozzle plate structure without blind spots can be formed, thereby achieving no dead angle attack on the blind spots of materials in the actual color sorting process, thus forming a full-coverage jet range and effectively removing materials.

[0035] Through numerous experiments and observations by those skilled in the art, the dovetail nozzles arranged as described above can remove impurities with near 100% accuracy, achieving a high-precision color sorting effect and thus enhancing the applicability of this high-precision, full-coverage dovetail nozzle plate.

[0036] In this embodiment, the surface of the nozzle cover plate 2 is provided with a plurality of fastening screw holes, and the surface of the nozzle base plate 1 is provided with a plurality of fastening thread grooves that are adapted to the fastening screw holes. The fastening thread grooves and the fastening thread holes are connected together by locking screws 3. The nozzle cover plate 2 is detachably connected to the nozzle base plate 1 through the cooperation of locking screws 3, fastening thread holes and fastening thread grooves.

[0037] By using the connection method of locking screws 3, fastening threaded holes and fastening threaded grooves, it is not only convenient to disassemble and install nozzle cover plate 2 on nozzle base plate 1, but also to ensure the reliability of nozzle cover plate 2 on nozzle base plate 1, and to prevent nozzle cover plate 2 from becoming loose on nozzle base plate 1 when dovetail nozzle 4 is working.

[0038] Although the multiple dovetail nozzles 4 arranged in a special way can effectively achieve the technical effect of forming a full-coverage jet range and eliminating blind spots in material attack, the jet range and jet effect of the dovetail nozzles 4 cannot always be precisely controlled due to the complexity of the actual working environment of the nozzle base plate 1, nozzle cover plate 2 and dovetail nozzles 4. This results in the staff being unable to promptly know and adjust the dovetail nozzles 4 when jet abnormalities occur (such as nozzle blockage, electronic control failure, and inconsistent jet force caused by nozzle wear and pressure fluctuations).

[0039] To address the aforementioned technical problems, those skilled in the art can set up an air jet observation structure to monitor the jetting status of all dovetail nozzles 4 on all nozzle base plates 1 in real time, thereby automatically and promptly and accurately grasping the jetting range and effect of each nozzle.

[0040] like Figure 3As shown, in one embodiment of the present invention, an air jet observation structure is provided on the outer side of the nozzle base plate 1.

[0041] The jet observation structure includes:

[0042] The surface of the nozzle cover plate 2 is provided with a mounting panel 9, and a motion seat 12 is slidably connected to the surface of the mounting panel 9. A T-shaped guide groove 14 is provided on the surface of the mounting panel 9, and a T-shaped guide slider is provided on the surface of the motion seat 12. The motion seat 12 is slidably connected to the mounting panel 9 through the cooperation of the T-shaped guide slider and the T-shaped guide groove 14.

[0043] The surface of the motion seat 12 is provided with a mounting bracket, and a high-speed camera 13 is mounted on the outside of the mounting bracket. The high-speed camera 13 can be electrically connected to an external LCD screen, that is, the jetting status of the dovetail nozzle 4 observed by the high-speed camera 13 can be transferred to the LCD screen in real time.

[0044] The shooting direction of the high-speed camera 13 corresponds to the spraying direction of the dovetail nozzle 4. It is understood that the bottom surface of the mounting panel 9 is not necessarily in contact with the top surface of the nozzle cover plate 2. The height of the mounting panel 9 can be adjusted according to the actual shooting situation of the high-speed camera 13.

[0045] A precision drive assembly is disposed on the outside of the mounting panel 9 and the motion base 12. It is used to drive the motion base 12 and the high-speed camera 13 to move on the surface of the mounting panel 9 through mechanical transmission. Based on the consideration of cost, integration degree and transmission precision, those skilled in the art choose the ball screw mechanical transmission structure 9 (precision drive assembly in this application) to drive the high-speed camera 13 to move smoothly and steadily on one side of several dovetail nozzles 4. This enables the high-speed camera 13 to accurately reach any position above the mounting panel 9 and observe the spraying state of any dovetail nozzle 4.

[0046] A positioning component, disposed on the outer side of the mounting panel 9 and the nozzle base plate 1, is used to define the position of the mounting panel 9 on the nozzle base plate 1. The positioning component can easily and quickly and accurately position the mounting panel 9, as well as the precision drive component, motion seat 12, and high-speed camera 13 mounted on the mounting panel 9, at preset positions near the nozzle base plate 1 and the mounting panel 9, thereby making the jet observation structure and the dovetail nozzle plate detachably connected, and the connection method is stable and simple.

[0047] In this embodiment, when observing the jetting state of multiple dovetail nozzles 4 on the nozzle base plate 1, the high-speed camera 13 should first be turned on. The high-speed camera 13 will start to record the jetting state of the dovetail nozzles 4 in real time. Then, the motion seat 12 will be driven to move horizontally left and right on the surface of the mounting panel 9 through the precision drive component. The high-speed camera 13 will also move horizontally left and right to observe the jetting situation of the dovetail nozzles 4 located in different areas on the nozzle base plate 1.

[0048] In this embodiment, the precision drive component includes:

[0049] Servo motor 10 and bearing housing 15 are respectively installed on both sides of the surface of mounting panel 9, and the output end of servo motor 10 and the inside of bearing housing 15 are jointly installed with transmission screw 11.

[0050] The side of the motion seat 12 is provided with a transmission threaded hole, and the transmission screw 11 is engaged with the inside of the transmission threaded hole.

[0051] When it is necessary to move the motion seat 12 on the surface of the mounting panel 9, the servo motor 10 can be turned on. The output end of the servo motor 10 drives the transmission screw 11 to rotate through the bearing seat 15, so that the motion seat 12, which is connected to the outside of the transmission screw 11 through the transmission thread hole, moves on the outside of the transmission screw 11. Since the motion seat 12 is slidably connected to the mounting panel 9 through the T-shaped guide slider and the T-shaped guide groove 14, the motion seat 12 can only make standard linear movements on the mounting panel 9. Thus, the motion seat 12 drives the high-speed camera 13 to make linear movements on the mounting panel 9.

[0052] In this embodiment, the positioning component includes:

[0053] Both sides of the nozzle base plate 1 are connected to fixing blocks 5, and the surface of the fixing blocks 5 is provided with positioning thread grooves. It can be understood that the position of the fixing blocks 5 is preset by the staff, and its position selection is mainly determined by the relative position of the high-speed camera 13 and the spray area of ​​the dovetail nozzle 4.

[0054] Both sides of the mounting panel 9 are connected to support side plates 8, and the surface of the support side plates 8 is provided with positioning threaded holes. The positioning threaded holes and positioning threaded grooves are engaged with positioning threaded rods 6. One end of the positioning threaded rod 6 is provided with a torsion handle 7, and the surface of the torsion handle 7 is provided with anti-slip texture.

[0055] When mounting panel 9 needs to be installed on nozzle base plate 1 and nozzle cover plate 2, the operator should hold the two support side plates 8 by hand, and make the axis of the positioning threaded rod 6 connected on each support side plate 8 in line with the axis of the positioning threaded groove of the fixing block 5 on one side of nozzle base plate 1. Then, turn the two torsion handles 7 so that the torsion handles 7 move inside the positioning threaded hole until they engage inside the positioning threaded groove, and tighten them to the bottom, so as to stably fix the two support side plates 8 on both sides of nozzle base plate 1, that is, the mounting panel 9 is stably set above nozzle cover plate 2.

[0056] In this embodiment, a PLC intelligent controller is mounted on the surface of the mounting panel 9, and the PLC intelligent controller is electrically connected to the servo motor 10 and the high-speed camera 13.

[0057] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A high-precision, fully covered dovetail-shaped nozzle plate, comprising a nozzle base plate (1), characterized in that, The nozzle base plate (1) is detachably connected to a nozzle cover plate (2). Several dovetail nozzles (4) are provided on the surface of the nozzle base plate (1). The several dovetail nozzles (4) are arranged in an alternating pattern of bottom width and top narrowness and bottom narrowness and top width, and are orderly distributed on the surface of the nozzle base plate (1). An air jet observation structure is provided on the outer side of the nozzle base plate (1), which is used to observe the jetting status of all the dovetail nozzles (4) on the nozzle base plate (1). The jet observation structure includes: The nozzle cover (2) is provided with a mounting panel (9), and a motion seat (12) is slidably connected to the surface of the mounting panel (9). The surface of the motion seat (12) is provided with a mounting bracket, and a high-speed camera (13) is mounted on the outside of the mounting bracket. A precision drive assembly is provided on the outside of the mounting panel (9) and the motion base (12) to drive the motion base (12) and the high-speed camera (13) to move on the surface of the mounting panel (9) by means of mechanical transmission; A positioning component is provided on the outside of the mounting panel (9) and the nozzle base plate (1) to define the position of the mounting panel (9) on the nozzle base plate (1); The surface of the mounting panel (9) is provided with a T-shaped guide groove (14), and the surface of the motion seat (12) is provided with a T-shaped guide slider. The motion seat (12) is slidably connected to the mounting panel (9) through the cooperation of the T-shaped guide slider and the T-shaped guide groove (14). The precision drive component includes: A servo motor (10) and a bearing housing (15) are respectively installed on both sides of the surface of the mounting panel (9), and a transmission screw (11) is installed together with the output end of the servo motor (10) and the inside of the bearing housing (15); The side of the motion seat (12) is provided with a transmission thread hole, and the transmission screw (11) is engaged with the inside of the transmission thread hole; The mounting panel (9) is equipped with a PLC intelligent controller, which is electrically connected to the servo motor (10) and the high-speed camera (13).

2. The high-precision, full-coverage dovetail nozzle plate according to claim 1, characterized in that, The nozzle cover plate (2) has several fastening screw holes on its surface, and the nozzle base plate (1) has several fastening thread grooves that are compatible with the fastening screw holes on its surface. The fastening thread grooves and the fastening thread holes are connected to a locking screw (3) through their meshing. The nozzle cover plate (2) is detachably connected to the nozzle base plate (1) through the cooperation of the locking screw (3), the fastening thread holes and the fastening thread grooves.

3. A high-precision, fully covered dovetail-shaped nozzle plate according to claim 1, characterized in that, The nozzle base plate (1) and nozzle cover plate (2) are made of stainless steel or aluminum alloy.

4. A high-precision, fully covered dovetail-shaped nozzle plate according to claim 1, characterized in that, The shooting direction of the high-speed camera (13) corresponds to the spraying direction of the dovetail nozzle (4).

5. A high-precision, fully covered dovetail-shaped nozzle plate according to claim 1, characterized in that, The positioning component includes: Both sides of the nozzle base plate (1) are connected to fixing blocks (5), and the surface of the fixing blocks (5) is provided with positioning thread grooves. The mounting panel (9) is connected to two supporting side plates (8) on both sides of its lower side, and the surface of the supporting side plate (8) is provided with positioning threaded holes. The positioning threaded holes and the positioning threaded groove are engaged with a positioning threaded rod (6).

6. A high-precision, fully covered dovetail-shaped nozzle plate according to claim 5, characterized in that, One end of the positioning threaded rod (6) is provided with a twisting handle (7), and the surface of the twisting handle (7) is provided with anti-slip texture.

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