Valve terminal gas circuit structure with negative pressure breaking function
By introducing a negative pressure damage pipe and an air pressure generator into the valve island air circuit structure, combining the air pressure flow part and the induction part, the accurate control of negative pressure and complex functions under a simple structure are achieved, and the problem of high cost of existing negative pressure generators is solved.
Patent Information
- Application Number
- CN202420685134.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-03
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-04-03
AI Technical Summary
Due to structural reasons, the existing negative pressure generator with negative pressure failure function is relatively high, making it difficult to achieve the convenience of a simple structure to achieve complex functions.
A valve-isolation air circuit structure with negative pressure damage function is designed. By using a negative pressure damage tube in the material collection part, a positive and negative air pressure is generated in combination with the air pressure generating part, and the air pressure flow part and the air pressure induction part are used for air pressure control and monitoring.
After absorbing materials, negative pressure damage is achieved under a simple structure to ensure the accuracy of negative pressure, avoid excessive or too small negative pressure damage or failure of material absorption, and at the same time, a simple positive and negative pressure conversion is completed.
Smart Images
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Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of valve islands, and more specifically to a valve island gas path structure with a negative pressure breaking function. Background Art
[0002] Valves are pipeline accessories used to open and close pipelines, control flow direction, and adjust and control the parameters (temperature, pressure and flow) of the conveying medium.
[0003] The main task of the placement machine is to accurately place various materials at designated locations on the PCB board. When taking materials, negative pressure is required to absorb the materials, and the negative pressure value at this time needs to be measured to determine whether the materials have been absorbed.
[0004] When using negative pressure to absorb materials, the negative pressure in the negative pressure chamber needs to be quickly destroyed when placing the materials. Currently, there are negative pressure generators with negative pressure destruction functions, but their costs are relatively high due to structural reasons. Utility Model Content
[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a valve island air path structure with a negative pressure breaking function, which uses a negative pressure breaking tube in the material taking part to perform negative pressure breaking, so that after the material is sucked in, it has the convenience of a simple structure to realize complex functions when placed, cooperates with the air pressure generating part to generate positive and negative air pressure and then control the gas flow, uses the air pressure flow part to transport the air pressure to a specific position, and uses the air pressure sensing part to monitor the transported air pressure in real time during the transportation process, and measures the real-time value to ensure the accuracy of the negative pressure when sucking the material, avoid damage to the material due to excessive negative pressure or suction failure due to too small negative pressure, and at the same time completes a simple positive and negative pressure conversion.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a valve island air path structure with a negative pressure breaking function, comprising a positive pressure joint, a frame, a pipeline part, an air pressure generating part and a material taking part; the positive pressure joint is arranged on the frame, the air pressure generating part is arranged on the frame for generating air pressure, one end of the pipeline part is connected to the air pressure generating part for conveying gas, the material taking part is connected to the other end of the pipeline part for sucking material, and negative pressure breaking is performed by utilizing a negative pressure breaking tube in the material taking part, so that after the material is sucked, it has the convenience of realizing complex functions with a simple structure when placed, cooperates with the air pressure generating part to generate positive and negative air pressure and then controls the gas flow, utilizes the air pressure flow part to convey the air pressure to a specific position, and utilizes the air pressure sensing part to monitor the conveyed air pressure in real time during the conveying process, and measures the real-time value to ensure the accuracy of the negative pressure when sucking the material, avoids damage to the material due to excessive negative pressure or suction failure due to too small negative pressure, and at the same time completes a simple positive and negative pressure conversion.
[0007] As a further improvement of the present invention, the pipeline portion includes a plurality of trachea joints, a plurality of positive-pressure air pipes, a plurality of negative-pressure generators and a plurality of negative-pressure air pipes; one end of a plurality of the positive-pressure air pipes is connected to a plurality of trachea joints, a plurality of negative-pressure generators are connected to the other end of a plurality of the positive-pressure air pipes, and a plurality of negative-pressure air pipes are connected to a plurality of negative-pressure generators.
[0008] As a further improvement of the utility model, the air pressure generating part includes a plurality of three-position two-way solenoid valves, a plurality of solenoid valve fixing seats and a plurality of pagoda connectors; a plurality of solenoid valve fixing seats are provided at one end of the plurality of three-position two-way solenoid valves, and the other end is connected with a plurality of air pipe connectors, a plurality of solenoid valve fixing seats are provided on a frame, and a plurality of pagoda connectors are provided on the frame.
[0009] As a further improvement of the present utility model, the material taking part includes a plurality of Y-shaped air pipe joints, a plurality of material taking air pipes and a plurality of negative pressure breaking pipes; each of the Y-shaped air pipe joints is provided with two ends, one section of which is provided with two connecting ports, the two connecting ports are respectively connected with the negative pressure air pipe and the negative pressure breaking pipe, the negative pressure breaking pipe is connected with the pagoda joint, and the plurality of material taking air pipes are connected at the other end of the Y-shaped air pipe joint.
[0010] As a further improvement of the present invention, the pagoda joint is L-shaped.
[0011] Beneficial effects of the utility model:
[0012] (1) The utility model utilizes a negative pressure destruction tube in the material taking part to perform negative pressure destruction, so that after the material is sucked, it has the convenience of a simple structure to realize complex functions when placed, cooperates with the air pressure generating part to generate positive and negative air pressure and then control the gas flow, utilizes the air pressure flow part to transport the air pressure to a specific position, and utilizes the air pressure sensing part to monitor the transported air pressure in real time during the transportation process, and measures the real-time value to ensure the accuracy of the negative pressure when sucking the material, avoid damage to the material due to excessive negative pressure or suction failure due to too low negative pressure, and at the same time completes a simple positive and negative pressure conversion. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a main structural schematic diagram of the utility model;
[0014] Figure 2 It is a schematic diagram of the internal cross-sectional structure of the utility model;
[0015] Figure 3 This utility model Figure 2 Schematic diagram of the gas flow of the feed material;
[0016] Figure 4 This utility model Figure 2 Schematic diagram of the discharge gas flow in .
[0017] Figure numerals: 1. three-position two-way solenoid valve; 2. solenoid valve fixing seat; 3. air pipe joint; 4. positive pressure air pipe; 5. negative pressure generator; 6. negative pressure air pipe; 7. Y-type air pipe joint; 8. material taking air pipe; 9. negative pressure breaking pipe; 10. pagoda joint; 11. positive pressure joint; 12. frame; 13. pipeline part; 14. air pressure generating part; 15. material taking part. DETAILED DESCRIPTION
[0018] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. The same parts are represented by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "bottom surface" and "top surface", "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.
[0019] Reference Figure 1-4 As shown, a valve island gas path structure with a negative pressure destruction function in this embodiment includes a positive pressure joint 11, a frame 12, a pipeline part 13, an air pressure generating part 14 and a material taking part 15; the positive pressure joint 11 is arranged on the frame 12, the air pressure generating part 14 is arranged on the frame 12, and is used to generate air pressure. One end of the pipeline part 13 is connected to the air pressure generating part 14 for conveying gas, and the material taking part 15 is connected to the other end of the pipeline part 13 for sucking materials. By using a negative pressure destruction tube 9 in the material taking part 15 to perform negative pressure destruction, after the material is sucked, it has the convenience of a simple structure to realize complex functions when placed, cooperates with the air pressure generating part 14 to generate positive and negative air pressures and then controls the gas flow, uses the air pressure flow part to convey the air pressure to a specific position, and uses the air pressure sensing part to monitor the conveyed air pressure in real time during the conveying process, and measures the real-time value to ensure the accuracy of the negative pressure when sucking the material, avoid excessive negative pressure to damage the material or too small negative pressure to fail the suction, and at the same time completes a simple positive and negative pressure conversion.
[0020] like Figure 1-4 As shown, the pipeline part 13 includes a plurality of trachea joints 3, a plurality of positive-pressure air pipes 4, a plurality of negative-pressure generators 5 and a plurality of negative-pressure air pipes 6; one end of the plurality of positive-pressure air pipes 4 is connected to the plurality of trachea joints 3, the plurality of negative-pressure generators 5 are connected to the other end of the plurality of positive-pressure air pipes 4, and the plurality of negative-pressure air pipes 6 are connected to the plurality of negative-pressure generators 5.
[0021] like Figure 1-4 As shown, the air pressure generating part 14 includes a plurality of three-position two-way solenoid valves 1, a plurality of solenoid valve fixing seats 2 and a plurality of pagoda connectors 10; one end of the plurality of three-position two-way solenoid valves 1 is connected to a plurality of solenoid valve fixing seats 2, and the other end is connected to a plurality of air pipe connectors 3, a plurality of solenoid valve fixing seats 2 are arranged on a frame 12, and a plurality of pagoda connectors 10 are arranged on the frame 12.
[0022] like Figure 1-4 As shown, the feeding part 15 includes a plurality of Y-shaped air pipe joints 73, a plurality of feeding air pipes 8 and a plurality of negative pressure breaking pipes 9; each of the Y-shaped air pipe joints 73 is provided with two ends, one of which is provided with two connecting ports, the two connecting ports are respectively connected with the negative pressure air pipe 6 and the negative pressure breaking pipe 9, the negative pressure breaking pipe 9 is connected with the pagoda joint 10, and a plurality of feeding air pipes 8 are connected at the other end of the Y-shaped air pipe joint 73.
[0023] like Figure 1-4 As shown, the pagoda joint 10 is L-shaped.
[0024] Working principle: When used, Figure 1-4 As shown, when it is necessary to adsorb materials, positive air pressure is passed from the positive pressure connector 11 to the solenoid valve fixing seat 2. At this time, the three-position two-way solenoid valve 1, the positive pressure connector 11, and the air pipe connector 3 are connected. The positive pressure will act on the negative pressure generator 5 through the positive pressure air pipe 4. The function of the negative pressure generator 5 is to take in positive air pressure at one end and generate negative pressure at the other end. The material taking air pipe 8 is connected to the negative pressure generator 5, so the material can be absorbed at the port of the material taking air pipe 8; when discharging the material, the three-position two-way solenoid valve 1 is connected to the L-shaped pagoda connector 10 and the air pipe connector 3, and part of the positive pressure is stored inside the positive pressure air pipe 4. This part of the air pressure will pass into the L-shaped pagoda connector 10, along the negative pressure breaking pipe 9 and the Y-shaped air pipe connector 7, and act on the material taking air pipe 8 to break the negative pressure at its port, thereby achieving the purpose of placing the material.
[0025] The above are only preferred implementations of the utility model. The protection scope of the utility model is not limited to the above embodiments. All technical solutions under the idea of the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.
Claims
1. A valve island gas path structure with negative pressure breaking function, characterized in that: It comprises a positive pressure joint (11), a frame (12), a pipeline part (13), an air pressure generating part (14) and a material taking part (15); The positive pressure joint (11) is arranged on the frame (12), the air pressure generating part (14) is arranged on the frame (12) and is used to generate air pressure, one end of the pipeline part (13) is connected to the air pressure generating part (14) and is used to transport gas, and the material taking part (15) is connected to the other end of the pipeline part (13) and is used to absorb materials.
2. A valve island gas path structure with negative pressure breaking function according to claim 1, characterized in that: The pipeline part (13) comprises a plurality of air pipe joints (3), a plurality of positive pressure air pipes (4), a plurality of negative pressure generators (5) and a plurality of negative pressure air pipes (6); One end of the plurality of positive pressure air pipes (4) is connected to a plurality of air pipe joints (3), a plurality of negative pressure generators (5) are connected to the other end of the plurality of positive pressure air pipes (4), and a plurality of negative pressure air pipes (6) are connected to the plurality of negative pressure generators (5).
3. A valve island gas path structure with negative pressure breaking function according to claim 2, characterized in that: The air pressure generating part (14) comprises a plurality of three-position two-way solenoid valves (1), a plurality of solenoid valve fixing seats (2) and a plurality of pagoda connectors (10); One end of the plurality of three-position two-way solenoid valves (1) is provided with a plurality of solenoid valve fixing seats (2), and the other end is connected with a plurality of air pipe joints (3). The plurality of solenoid valve fixing seats (2) are arranged on a frame (12), and a plurality of pagoda joints (10) are arranged on the frame (12).
4. The valve island gas path structure with negative pressure breaking function according to claim 1, characterized in that: The material taking part (15) comprises a plurality of Y-shaped air pipe joints (7), a plurality of material taking air pipes (8) and a plurality of negative pressure breaking pipes (9); Each of the Y-shaped air pipe joints (7) is provided with two ends, one of which is provided with two connection ports, the two connection ports are respectively connected to the negative pressure air pipe (6) and the negative pressure breaking pipe (9), the negative pressure breaking pipe (9) is connected to the pagoda joint (10), and a plurality of material taking air pipes (8) are connected to the other end of the Y-shaped air pipe joint (7).