Pneumatic force-multiplying piston pump
By employing a double-force cylinder design and bidirectional discharge control, the problem of insufficient air pressure output from the pneumatic pump is solved, achieving efficient material conveying, improving production efficiency and product quality, and making it suitable for industries such as food and chemicals.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-03-31
AI Technical Summary
Existing pneumatic conveying pumps suffer from insufficient output air pressure, which limits the material conveying distance, affects production efficiency, and increases costs. This is particularly problematic in the conveying of high-concentration materials and toxic fluids in the food and chemical industries.
It adopts a double-force cylinder design, with piston one and piston two sharing a single piston rod to achieve reciprocating piston motion. Combined with built-in swing check valve and solenoid valve control, it achieves bidirectional material discharge, increases output pressure, and optimizes air source utilization.
It increases material conveying pressure, reduces ineffective power consumption, ensures that material properties remain unchanged, reduces equipment failure rate and maintenance costs, and improves production efficiency and product quality.
Smart Images
Figure CN224064477U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to piston pump technical field especially relates to pneumatic force multiplication piston pump. BACKGROUND
[0002] In the food industry, like bean paste, jam, viscous material containing fruit pieces or fruit particles and exploding beads and other materials, often need to be transported to the far processing link or storage site. In the chemical industry, for high concentration materials, water material mixture, and toxic, corrosive fluid, semi-fluid delivery, also have higher requirements for delivery distance. But the existing pneumatic delivery pump due to insufficient output air pressure, resulting in material delivery distance is limited, affect the production efficiency, may also increase the production cost, for example, need to set up multiple delivery sites to relay delivery material. Therefore, need a kind of can solve the problem of insufficient output air pressure, realize material long-distance delivery pneumatic piston pump. SUMMARY
[0003] To achieve the above object, the utility model provides the following technical scheme: pneumatic force multiplication piston pump, wherein, including cylinder, material cylinder, transition frame, gas pipe one and gas pipe two, the transition frame is arranged between the cylinder and material cylinder;
[0004] The inside of the cylinder is provided with cylinder chamber one, cylinder chamber two and piston rod one, the cylinder is sequentially divided into cylinder chamber one and cylinder chamber two from top to bottom, the piston rod one penetrates the cylinder and extends to the inside of the cylinder;
[0005] The inside of the cylinder chamber one is provided with piston one, and the piston one is arranged at the uppermost end of the piston rod one;
[0006] The inside of the cylinder chamber two is provided with piston two, and the piston two is fixedly arranged on the piston rod one;
[0007] The inside of the material cylinder is provided with piston three, the inside of the material cylinder is provided with piston rod two, the piston rod two penetrates the material cylinder and extends to the inside of the material cylinder, and the piston three is arranged at the lowermost end of the piston rod two;
[0008] The piston rod one and the piston rod two are fixedly connected through the connecting piece;
[0009] The gas pipe one is communicated with the top end of cylinder chamber one and cylinder chamber two respectively;
[0010] The gas pipe two is communicated with the bottom end of cylinder chamber one and cylinder chamber two respectively;
[0011] One side of the material cylinder is provided with a feed pipe, and the side of the material cylinder opposite to the feed pipe is provided with a discharge pipe.
[0012] Preferably, the transition frame is provided with an inductor one and an inductor two, the inductor one is arranged at the upper end of the transition frame, the inductor two is arranged at the lower end of the transition frame, and the connecting piece on the transition frame is matched with the inductor one and the inductor two.
[0013] Preferably, the gas pipe one and the gas pipe two are provided with electromagnetic valves.
[0014] Preferably, the stroke of the connecting piece to the lowest end of the transition frame is equal to the stroke of the piston three to the lowest end of the material cylinder.
[0015] Preferably, the stroke of the connecting piece to the highest end of the transition frame is equal to the stroke of the piston one to the highest end of the cylinder chamber one.
[0016] Preferably, the upper end and the lower end of the same side of the material cylinder are respectively provided with a feeding port one and a feeding port two, the feeding pipe is communicated with the feeding port one and the feeding port two, and the feeding port one and the feeding port two are respectively provided with built-in swing check valves.
[0017] Preferably, the upper end and the lower end of the same side of the material cylinder are respectively provided with a discharging port one and a discharging port two, the discharging pipe is communicated with the discharging port one and the discharging port two, and the discharging port one and the discharging port two are respectively provided with built-in swing check valves.
[0018] Beneficial effects: compared with the prior art, the utility model discloses a double force cylinder (but not limited to two times), and piston one and piston two in the cylinder share a piston rod one, which is used as the power transmission of the material cylinder piston.
[0019] During the material conveying process, the pump can accurately operate without damaging the solid particles and block materials in the material, and the original properties of the material are well preserved. This feature can highly adapt to various product production processes, avoid affecting product quality due to changes in material properties, thereby effectively improving the overall quality of products, and meeting the production scene with strict requirements for fine material processing.
[0020] The utility model realizes bidirectional discharging when the piston reciprocates, which is different from the unidirectional discharging mode of other similar products. This design eliminates the invalid action existing in unidirectional discharging, greatly reduces the invalid power consumption, significantly improves the gas source utilization rate, and effectively improves the production efficiency of the product, reduces the production cost, and enhances the competitiveness of the product in the market.
[0021] The overall structural design is simple and clear, and the reliable collaborative performance of all components greatly reduces the equipment failure rate. Fewer failures mean fewer maintenance requirements, effectively reducing maintenance costs. The equipment's continuous and stable operation provides a solid guarantee for improved production efficiency and helps enterprises enhance their economic benefits. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the structure of this utility model.
[0023] In the attached diagram: Cylinder 1, Cylinder Chamber 101, Cylinder Chamber 2 102, Piston Rod 103, Piston 104, Piston 2 105, Material Cylinder 2, Transition Frame 3, Air Pipe 1 4, Air Pipe 2 5, Piston 3 6, Feed Pipe 7, Feed Inlet 1 701, Feed Inlet 2 702, Discharge Pipe 8, Discharge Inlet 1 801, Discharge Inlet 2 802, Sensor 1 9, Sensor 2 10, Connector 11, Solenoid Valve 12, Built-in Swing Check Valve 13, Piston Rod 2 14. Detailed Implementation
[0024] The technical solution of this patent will be further described in detail below with reference to specific embodiments.
[0025] Example
[0026] Please refer to the accompanying drawings in the specification. In this embodiment of the utility model, the pneumatic multiplier piston pump includes a cylinder 1, a material cylinder 2, a transition frame 3, an air supply pipe 4, and an air supply pipe 5. The transition frame 3 is provided between the cylinder 1 and the material cylinder 2.
[0027] The cylinder 1 is provided with a cylinder chamber 101, a cylinder chamber 2 102 and a piston rod 103. The cylinder 1 is divided into cylinder chamber 101 and cylinder chamber 2 102 from top to bottom. The piston rod 103 passes through the cylinder 1 and extends into the interior of the cylinder 1.
[0028] A piston 104 is provided inside the cylinder chamber 101, and the piston 104 is located at the uppermost end of the piston rod 103.
[0029] The cylinder chamber 2 102 is provided with a piston 2 105, and the piston 2 105 is fixedly mounted on the piston rod 103;
[0030] The material cylinder 2 is provided with a piston 3 6 inside, and a piston rod 2 14 is provided inside the material cylinder 2. The piston rod 2 14 passes through the material cylinder 2 and extends into the interior of the material cylinder 2. The piston 3 6 is located at the lowest end of the piston rod 2 14.
[0031] The piston rod 103 and piston rod 14 are fixedly connected by a connector 11.
[0032] The air supply pipe 4 is connected to the top of cylinder chamber 101 and cylinder chamber 202 respectively;
[0033] The second air supply pipe 5 is connected to the bottom ends of the first cylinder chamber 101 and the second cylinder chamber 102, respectively.
[0034] A feed pipe 7 is provided on one side of the material cylinder 2, and a discharge pipe 8 is provided on the opposite side of the material cylinder 2. Using compressed gas as a power source, it exhibits significant advantages in terms of low vibration and low noise during operation, effectively improving the working environment and reducing the impact of noise pollution on operators. Simultaneously, since the power source produces no oil residue, it avoids oil contamination of the conveyed materials, ensuring product quality from the source, making it particularly suitable for industries with extremely high hygiene standards, such as food and pharmaceuticals.
[0035] The transition frame 3 is equipped with a sensor 9 and a sensor 10. The sensor 9 is located at the upper end of the transition frame 3, and the sensor 10 is located at the lower end of the transition frame 3. The connector 11 on the transition frame 3 is used in conjunction with the sensor 9 and the sensor 10.
[0036] Solenoid valves 12 are installed on the gas pipeline 4 and the gas pipeline 5.
[0037] The stroke of the connector 11 to the lowest end of the transition frame 3 is equal to the stroke of the piston 6 to the lowest end of the material cylinder 2.
[0038] The stroke of the connector 11 to the top of the transition frame 3 is equal to the stroke of the piston 104 to the top of the cylinder chamber 101.
[0039] The material cylinder 2 is provided with a feed inlet 701 at the upper end and a feed inlet 702 at the lower end on the same side. The feed pipe 7 is connected to both feed inlet 701 and feed inlet 702. Both feed inlet 701 and feed inlet 702 are provided with built-in swing check valves 13.
[0040] The material cylinder 2 has a discharge port 1 (801) and a discharge port 2 (802) respectively located at the upper and lower ends on the same side. The discharge pipe 8 is connected to both discharge ports 1 (801) and 2 (802). Both discharge ports 1 (801) and 2 (802) are equipped with built-in swing check valves 13. Using these built-in swing check valves, the thrust generated by the material during transport automatically opens the check valve, while the valve plate closes automatically due to its own weight and the backflow force of the material. No external intervention is required throughout the process, significantly reducing energy consumption and ensuring flexible and reliable operation. Simultaneously, the valve plate and discharge port fit precisely, providing a good seal and effectively preventing product contamination caused by implant detachment, ensuring the quality and safety of the transported materials. This is particularly suitable for industries with stringent requirements for material purity, such as food and chemical industries.
[0041] Working principle: When the pneumatic multiplier piston pump receives a start signal, the solenoid valve is energized and opens. At this time, compressed gas is injected into the upper chambers of cylinder chamber one and cylinder chamber two of the multiplier cylinder through intake pipe one. Under the pressure of the gas, piston one and piston two move downward synchronously.
[0042] During this process, the pressure inside the material cylinder changes. The pressure in the lower chamber increases, creating a positive pressure, while the pressure in the upper chamber decreases, creating a negative pressure. Based on this pressure difference, the built-in swing check valves on inlet one and outlet two open, while the check valves on inlet two and outlet one remain closed. Therefore, the material in the lower chamber of the material cylinder is smoothly discharged through outlet two, while external material enters the upper chamber of the material cylinder through inlet one.
[0043] When the piston reaches the bottom dead center position, sensor two at the lower end of the transition frame is triggered. Sensor two sends a signal to open the solenoid valve on the air supply pipe two, while simultaneously closing the solenoid valve on the intake pipe one. At this point, the direction of compressed gas flow changes, and it is injected into the lower chambers of cylinder chamber one and cylinder chamber two respectively. Under the action of the new gas pressure, the piston begins to move upward.
[0044] As the piston moves upward, the pressure inside the material cylinder is readjusted. The pressure in the upper chamber of the material cylinder increases, while the pressure in the lower chamber decreases, causing the check valves on inlet two and outlet one to open, and the check valves on inlet one and outlet two to close. Material is discharged through outlet one, while external material enters the lower chamber of the material cylinder through inlet two. This cycle repeats continuously, achieving continuous material conveying.
[0045] In the above process, this utility model uses a double-force cylinder (but not limited to double-force), in which piston one and piston two share a single piston rod, which transmits power to the material cylinder piston. Compared to a single cylinder, the output pressure is increased to twice the normal pressure, and the air consumption is also doubled, thus solving the problem of insufficient output air pressure.
[0046] During material transport, this pump operates precisely without damaging solid particles or lumps within the material, preserving its original properties. This characteristic makes it highly adaptable to various product manufacturing processes, preventing changes in material properties from affecting product quality, thereby significantly improving overall product quality and meeting the needs of production scenarios with stringent requirements for fine material handling.
[0047] This invention enables bidirectional material discharge during piston reciprocating motion, unlike the unidirectional discharge mode of other similar products. This design eliminates the ineffective movements present in unidirectional discharge, greatly reduces wasted power consumption, significantly improves air source utilization, and thus effectively enhances product production efficiency, reduces production costs, and strengthens the product's competitiveness in the market.
[0048] The overall structural design is simple and clear, and the reliable collaborative performance of all components greatly reduces the equipment failure rate. Fewer failures mean fewer maintenance requirements, effectively reducing maintenance costs. The equipment's continuous and stable operation provides a solid guarantee for improved production efficiency and helps enterprises enhance their economic benefits.
[0049] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and 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, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.
[0050] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
Claims
1. A pneumatic force multiplying piston pump characterized in that: Including cylinder (1), material cylinder (2), transition frame (3), gas pipe one (4) and gas pipe two (5), the transition frame (3) is arranged between the cylinder (1) and material cylinder (2); The cylinder (1) is internally provided with cylinder chamber one (101), cylinder chamber two (102) and piston rod one (103), the cylinder (1) is sequentially divided into cylinder chamber one (101) and cylinder chamber two (102) from top to bottom, and the piston rod one (103) penetrates the cylinder (1) and extends to the inside of the cylinder (1); The inside of the cylinder chamber one (101) is provided with a piston one (104), and the piston one (104) is arranged at the uppermost end of the piston rod one (103); The inside of the cylinder chamber two (102) is provided with a piston two (105), and the piston two (105) is fixedly arranged on the piston rod one (103); The inside of the material cylinder (2) is provided with a piston three (6), the inside of the material cylinder (2) is provided with a piston rod two (14), the piston rod two (14) penetrates the material cylinder (2) and extends to the inside of the material cylinder (2), and the piston three (6) is arranged at the lowermost end of the piston rod two (14); The piston rod one (103) and the piston rod two (14) are fixedly connected through the connecting piece (11); The gas pipe one (4) is communicated with the top end of the cylinder chamber one (101) and the cylinder chamber two (102) respectively; The gas pipe two (5) is communicated with the bottom end of the cylinder chamber one (101) and the cylinder chamber two (102) respectively; One side of the material cylinder (2) is provided with a feeding pipe (7), and the side opposite to the feeding pipe (7) of the material cylinder (2) is provided with a discharging pipe (8).
2. The pneumatic force-multiplying piston pump of claim 1, wherein: The transition frame (3) is provided with an inductor one (9) and an inductor two (10), the inductor one (9) is arranged at the upper end of the transition frame (3), the inductor two (10) is arranged at the lower end of the transition frame (3), and the connecting piece (11) on the transition frame (3) is used in cooperation with the inductor one (9) and the inductor two (10).
3. The pneumatic force-multiplying piston pump of claim 1, wherein: The gas pipe one (4) and the gas pipe two (5) are provided with electromagnetic valves (12).
4. The pneumatic force-multiplying piston pump of claim 2, wherein: The stroke of the connecting piece (11) to the lowest end of the transition frame (3) is equal to the stroke of the piston three (6) to the lowest end of the material cylinder (2).
5. The pneumatic force-multiplying piston pump of claim 1, wherein: The stroke of the connecting piece (11) to the top end of the transition frame (3) is equal to the stroke of the piston one (104) to the top end of the cylinder chamber one (101).
6. The pneumatic force-multiplying piston pump of claim 1, wherein: The upper end and the lower end of the same side of the material cylinder (2) are respectively provided with a feeding port one (701) and a feeding port two (702), the feeding pipe (7) is communicated with the feeding port one (701) and the feeding port two (702), and the feeding port one (701) and the feeding port two (702) are respectively provided with built-in swing check valves (13).
7. The pneumatic force-multiplying piston pump of claim 1, wherein: The upper end and the lower end of the same side of the material cylinder (2) are respectively provided with a discharge port one (801) and a discharge port two (802), the discharge pipes (8) are communicated with the discharge port one (801) and the discharge port two (802), and the discharge port one (801) and the discharge port two (802) are provided with built-in swing check valves (13).