Gas-liquid booster cylinder and method thereof

Abstract

The present invention discloses a gas-liquid booster cylinder and method thereof, comprising a forward assembly, including a forward cylinder body and a first piston member, the forward cylinder body being provided with a first motion chamber and a first air port, a buffer member being provided in the first motion chamber, and the first air port being connected to the first motion chamber; a first piston member being installed in the first motion chamber, and both ends of the first piston member respectively passing through the forward cylinder body; a working hydraulic cylinder body being provided with a liquid storage chamber, a liquid injection port, and a second air port, and a booster liquid being stored in the liquid storage chamber; a booster assembly, including a booster cylinder body, a second piston member, a spring member, and an electromagnet member, the booster cylinder body being provided with a second motion chamber; and a control unit being respectively connected to the first air port, the second air port, and the second motion chamber. The gas-liquid booster cylinder of the present invention can reduce compressed gas consumption and improve piston rod movement efficiency, thereby improving the working efficiency of the gas-liquid booster cylinder.

Description

Technical Field

[0001] The present invention relates to the technical field of power drive equipment, and in particular to a gas-liquid booster cylinder and a method thereof. Background Art

[0002] A gas-liquid booster cylinder is a device that can utilize the interaction between gas and liquid, that is, it applies air pressure and hydraulic pressure to the working piston to increase the output force. Through the application of gas-liquid booster cylinders, the processing efficiency can be improved; gas-liquid booster cylinders are widely used in many industries, such as mechanical manufacturing, engineering machinery, aerospace and other fields, and can provide smooth acceleration and deceleration of movement. In actual applications, gas-liquid booster cylinders have the advantages of easy installation, simple structure and improved work efficiency.

[0003] At present, the existing gas-liquid booster cylinder needs to cooperate with the liquid delivery pump and air compression equipment to work, which consumes energy during the working process. This energy consumption will lead to a decrease in the energy efficiency of the gas-liquid booster cylinder;

[0004] Specifically: gas is needed in the gas-liquid booster cylinder to compress the boosting liquid to generate high-pressure liquid pressure, and the process of compressing the gas consumes a lot of energy. Therefore, the gas-liquid booster cylinder needs to cooperate with air compression equipment when working. In addition, in order to ensure the continuity and stability of liquid delivery, the gas-liquid booster cylinder also needs to cooperate with the liquid delivery pump, and the liquid delivery pump also consumes a certain amount of energy.

[0005] Therefore, there is an urgent need for a gas-liquid booster cylinder that can reduce compressed gas consumption and improve the efficiency of piston rod movement, thereby improving the working efficiency of the gas-liquid booster cylinder. Summary of the Invention

[0006] Therefore, the gas-liquid booster cylinder and the working method thereof of the present invention overcome the defects of the prior art.

[0007] In order to solve the above technical problems, the present invention provides a gas-liquid booster cylinder, comprising: a forward assembly, comprising a forward cylinder body, a first piston member, the forward cylinder body is provided with a first motion chamber and a first air port, a buffer member is provided in the first motion chamber, and the first air port is connected to the first motion chamber; the first piston member is installed in the first motion chamber, and the two ends of the first piston member pass through the forward cylinder body respectively; a working hydraulic cylinder body, which is installed between the forward cylinder body and the booster cylinder body, and the working hydraulic cylinder body is provided with a liquid storage chamber, a liquid injection port, and a second air port, the liquid storage chamber stores booster liquid, and the The liquid injection port is connected to the liquid storage chamber, and the second air port is connected to the first motion chamber; the booster assembly includes a booster cylinder body, a second piston member, a spring member, and an electromagnet member. The booster cylinder body is provided with a second motion chamber, and the second piston member is at least partially inserted into the second motion chamber. The spring member is installed in the second motion chamber and conflicts with the second piston member; the electromagnet member is respectively installed on the booster cylinder body and the second piston member, and the movement speed of the second piston member is increased by the electromagnet member, and pre-pressure is provided for the liquid storage chamber; the control unit is respectively connected to the forward cylinder body, the working hydraulic cylinder body, and the booster cylinder body.

[0008] Furthermore, the first piston member includes a working piston, a first piston rod, and a second piston rod. The working piston is installed in the first motion chamber, one end of the first piston rod is fixedly connected to the working piston, and the other end of the first piston rod passes through the forward cylinder body; one end of the second piston rod is fixedly connected to the working piston, and the other end of the second piston rod is at least partially inserted into the liquid storage chamber.

[0009] Furthermore, the second piston member includes a booster piston, a liquid storage piston, and a third piston rod. The booster piston and the liquid storage piston are respectively installed at the two ends of the second motion chamber. One end of the third piston rod is fixedly connected to the booster piston, and the other end of the third piston rod passes through the liquid storage piston and is at least partially inserted into the liquid storage chamber.

[0010] Furthermore, the outer circumference of the boosting piston and the liquid storage piston is larger than the outer circumference of the third piston rod, and the liquid storage piston is in conflict with the inner wall of the second motion chamber.

[0011] Furthermore, the spring member is sleeved on the third piston rod and is located between the booster piston and the liquid storage piston. The outer circumference of the spring member is smaller than that of the booster piston and the liquid storage piston, and larger than that of the third piston rod.

[0012] Furthermore, the electromagnet part includes a first magnet and a second magnet. The first magnet is installed in the booster cylinder and fixedly connected to the booster cylinder; the second magnet is installed on the liquid storage piston and connected to the liquid storage piston. Through the cooperation of the first magnet and the second magnet, the movement speed of the third piston rod is increased, and pre-pressure is provided for the liquid storage chamber.

[0013] Furthermore, it also includes a power generation device, which includes a linear power generation unit and a permanent magnet component. The linear power generation unit is installed at the output end of the forward cylinder body, and the linear power generation unit is connected to the battery; the permanent magnet component is mounted on the first piston rod, and the permanent magnet component is driven to move by the first piston rod, and then the mechanical energy is converted into electrical energy through the cooperation of the permanent magnet component and the linear power generation unit.

[0014] Furthermore, the linear power generation unit includes a stator core and a stator winding. The stator core is installed in the forward cylinder and the booster cylinder, and is provided with winding slots. Several winding slots are arranged in an array along the axial direction of the stator core; the stator winding is installed in the winding slots.

[0015] Furthermore, the permanent magnet component includes a mover yoke and a mover pole, the mover yoke is sleeved on the first piston rod; the mover pole is installed on the mover yoke, and a plurality of mover poles are arranged in an array along the axial direction of the mover yoke.

[0016] Furthermore, the control unit includes a control valve, a first speed regulating valve, a second speed regulating valve, a force stroke supply source, a third speed regulating valve, and a throttle valve. The two ends of the first speed regulating valve are respectively connected to the first air port and the control valve; the two ends of the second speed regulating valve are respectively connected to the second air port and the control valve; the force stroke supply source is installed on the booster cylinder body and is connected to the second motion chamber; the two ends of the third speed regulating valve are respectively connected to the force stroke supply source and the second air port; the two ends of the throttle valve are respectively connected to the force stroke supply source and the first air port.

[0017] Furthermore, the forward assembly also includes a first sealing unit and a second sealing unit. The first sealing unit is installed at the output end of the forward cylinder, and a first sealing layer is formed by the first sealing unit; the second sealing unit is installed between the first motion chamber and the output end of the forward cylinder, and contacts the first piston rod, and a second sealing layer is formed by the second sealing unit.

[0018] Furthermore, the first sealing unit includes a sealing ring and a driving member, the sealing ring is installed at the output end of the forward cylinder and is connected to the air source; the sealing ring is provided with air holes, and a plurality of air holes are arranged in an array along the inner circumference of the sealing ring; the driving member is installed on the sealing ring and connected to the moving end of the sealing ring, and compressed air is introduced into the air holes through the air source, and then the moving end of the sealing ring is driven to rotate by the driving member, so that the compressed air ejected from the air holes forms an air film; the second sealing unit adopts at least one sealing gasket, and the sealing gasket is in contact with the third piston rod.

[0019] The present invention also provides a working method of a gas-liquid booster cylinder, using the gas-liquid booster cylinder, the method includes the following steps: step S1: by introducing compressed air into the second air port, driving the first piston member to move in the direction of the workpiece to be processed, so as to cause the workpiece to be processed to collide with it; step S2: after the first piston member collides with the workpiece to be processed, the second piston member is squeezed in the direction of the first piston member by compressed air, and at the same time, the movement speed of the first piston member is increased by the electromagnet member, and then the booster liquid in the liquid storage chamber is squeezed by the second piston member to form a high-pressure booster liquid to drive the first piston member to produce a booster stroke; step S3: by introducing compressed air into the first air port, driving the first piston member to move in the direction of the booster cylinder body, resetting the first piston member, and at the same time driving the second piston member to move in the direction of the booster cylinder body by the spring member and the electromagnet member, so as to quickly reset the second piston member.

[0020] Furthermore, the method for driving the first piston member to move in the direction of the workpiece to be processed is as follows: Step S10: By introducing compressed air into the second air port, the working piston drives the first piston rod to move in the direction of the workpiece to be processed, and the second piston rod is driven to move synchronously by the working piston; Step S11: When the first piston rod moves, the mover magnetic poles of the mover magnetic yoke are driven to move synchronously by the first piston rod, and then electrical energy is generated by the movement between the mover magnetic poles and the stator windings of the stator core; Step S12: When the first piston rod moves a preset distance, compressed air is introduced into the first air port for a preset time to provide a motion buffer for the working piston.

[0021] Furthermore, the method for the second piston member to move toward the first piston member is as follows: step S20: using compressed air to squeeze the booster piston to move toward the direction of the workpiece to be processed, and using the booster piston to drive the third piston rod to move synchronously, and the third piston rod passes through the liquid storage piston, and is at least partially inserted into the liquid storage chamber and conflicts with the second piston rod; step S21: by energizing the first magnet and the second magnet, the movement speed of the third piston rod is increased, and then the booster liquid in the liquid storage chamber is squeezed by the third piston rod to form a high-pressure booster liquid; step S22: providing a booster stroke for the working piston through the high-pressure booster liquid to form a punching force output.

[0022] The above technical solution of the present invention has the following advantages over the prior art:

[0023] 1. The present invention provides a gas-liquid booster cylinder and its operating method, which can provide safe, accurate, and reliable operation of the gas-liquid booster cylinder and reduce operating noise. It can also ensure that the booster liquid has a certain pre-compression when the air circuit is closed, thereby ensuring that the gas-liquid booster cylinder can operate reliably in any installation direction and position. Moreover, through the cooperation of the spring member and the electromagnet member, the air consumption of the gas-liquid booster cylinder during operation can be reduced. That is, the return of the gas-liquid booster cylinder piston to the starting position is non-pneumatic, without consuming compressed air, which can reduce the energy consumption of the gas-liquid booster cylinder.

[0024] 2. The electromagnetic part can also assist the movement of the third piston rod to improve the working efficiency of the third piston rod;

[0025] 3. It can convert mechanical energy into electrical energy for storage when the first piston rod moves, further reducing the energy consumption of the gas-liquid booster cylinder;

[0026] 4. The compressed air ejected is used to form an air film, and the air film is used to form a seal. At the same time, the ejection of compressed air can also prevent the boosting liquid from adhering to the surface of the first piston rod to cause leakage, thereby reducing the pollution of the boosting liquid to the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments of the present invention in conjunction with the accompanying drawings.

[0028] Figure 1 It is a three-dimensional schematic diagram of the gas-liquid booster cylinder of the present invention;

[0029] Figure 2 is a side view schematic diagram of the gas-liquid booster cylinder of the present invention;

[0030] Figure 3 is a schematic cross-sectional view of the gas-liquid booster cylinder of the present invention;

[0031] Figure 4 It is a schematic three-dimensional installation diagram of the power generation device of the present invention;

[0032] Figure 5 is a schematic cross-sectional view of a power generation device of the present invention;

[0033] Figure 6 is a schematic three-dimensional installation diagram of the first sealing unit of the present invention;

[0034] Figure 7 is a three-dimensional schematic diagram of the first sealing unit and the second sealing unit of the present invention;

[0035] Figure 8 is a perspective schematic diagram of the first sealing unit of the present invention with the rotating ring removed;

[0036] Figure 9 It is a flow chart of the working method of the gas-liquid booster cylinder of the present invention;

[0037] Figure 10 is a flow chart of the first piston member movement method of the present invention;

[0038] Figure 11 is a flow chart of the second piston member movement method of the present invention;

[0039] Figure 12 is a flow chart of a first sealing ring sealing method of the present invention.

[0040] Description of the accompanying drawings: 2. Working hydraulic cylinder, 4. Control unit, 10. Forward cylinder, 11. First piston member, 13. Second sealing unit, 20. Liquid storage chamber, 21. Liquid injection port, 22. Second air port, 30. Power-boosting cylinder, 32. Spring member, 40. Control valve, 41. First speed regulating valve, 42. Second speed regulating valve, 43. Force stroke supply source, 44. Third speed regulating valve, 45. Throttle valve, 100. First motion chamber, 101. First air port, 102. Buffer member, 110 , working piston, 111, first piston rod, 112, second piston rod, 120, stationary ring, 121, rotating ring, 122, air inlet, 123, air groove, 124, air hole, 125, driving member, 300, second motion chamber, 310, boosting piston, 311, liquid storage piston, 312, third piston rod, 330, first magnet, 331, second magnet, 500, stator core, 501, winding slot, 502, stator winding, 510, mover yoke, 511, mover pole. DETAILED DESCRIPTION

[0041] The present invention will be further described below with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it. However, the embodiments are not intended to limit the present invention.

[0042] In the present invention, unless otherwise expressly specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be understood broadly. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0043] Reference Figure 1-Figure 3 As shown, one aspect of the present invention provides a gas-liquid booster cylinder, comprising:

[0044] The forward assembly includes a forward cylinder body 10 and a first piston member 11. The forward cylinder body 10 is provided with a first motion chamber 100 and a first air port 101. A buffer member 102 is provided in the first motion chamber 100, and the first air port 101 is connected to the first motion chamber 100; the first piston member 11 is installed in the first motion chamber 100, and both ends of the first piston member 11 pass through the forward cylinder body 10 respectively.

[0045] Among them, reference Figure 3 As shown, one end of the forward cylinder body 10 is provided with a working port, and the other end of the forward cylinder body 10 is provided with a connecting port, and the two ends of the first motion chamber 100 are respectively connected with the working port and the connecting port; the first air port 101 is opened on the outer periphery of the forward cylinder body 10 and is connected with the first motion chamber 100; the number of the first air ports 101 is set by the operator according to actual needs and costs. If several first air ports 101 are set, the several first air ports 101 are arranged in an array along the outer periphery of the forward cylinder body 10; the output end of the first air port 101 is connected with the first motion chamber 100, and the input end of the first air port 101 is connected with the compressed air equipment; the buffer member 102 adopts a buffer device including but not limited to a cylindrical buffer device, a conical buffer device, a variable throttling port type, an adjustable flow channel type, etc., which is specifically set by the operator according to actual needs and costs; one end of the first piston member 11 passes through the first motion chamber 100, the buffer member 102, and the working port, and the other end of the first piston member 11 passes through the connecting port.

[0046] Among them, reference Figure 3 As shown, the first piston member 11 includes a working piston 110, a first piston rod 111, and a second piston rod 112. The working piston 110 is installed in the first motion chamber 100, and the working piston 110 is in contact with the inner wall of the forward cylinder body 10; one end of the first piston rod 111 is fixedly connected to the working piston 110, and the other end of the first piston rod 111 passes through the buffer member 102 and the working port; one end of the second piston rod 112 is fixedly connected to the working piston 110, and the other end of the second piston rod 112 passes through the connecting port.

[0047] The working hydraulic cylinder body 2 is installed between the forward cylinder body 10 and the booster cylinder body 30, and the working hydraulic cylinder body 2 is provided with a liquid storage chamber 20, a liquid injection port 21, and a second air port 22. The liquid storage chamber 20 stores booster liquid, the liquid injection port 21 is connected to the liquid storage chamber 20, and the second air port 22 is connected to the first motion chamber 100.

[0048] Among them, reference Figure 2 、 Figure 3As shown, one end of the working hydraulic cylinder body 2 is connected to the forward cylinder body 10, and the other end of the working hydraulic cylinder body 2 is connected to the booster cylinder body 30; the two ends of the liquid outlet cavity are respectively connected to the first motion cavity 100 and the second motion cavity 300, and the second piston rod 112 and the third piston rod 312 are at least partially inserted into the liquid storage cavity 20; the liquid storage cavity 20 stores booster liquid, which includes but is not limited to hydraulic oil and magnetic fluid. If magnetic fluid is used, the operator can configure it according to actual needs and cost. A matching magnetic fluid regulating device is provided; the liquid injection port 21 is opened in the working hydraulic cylinder body 2, and is respectively connected to the liquid storage chamber 20 and the constant pressure oil storage equipment. The number of the liquid injection ports 21 is set by the operator according to actual needs and costs. If several liquid injection ports 21 are set, the several liquid injection ports 21 are arranged in an array along the periphery of the working hydraulic cylinder body 2; the second air port 22 is opened in the working hydraulic cylinder body 2, and the output end of the second air port 22 is connected to the first active chamber, and the output end of the second air port 22 is connected to the compressed air equipment.

[0049] The booster assembly includes a booster cylinder 30, a second piston member, a spring member 32, and an electromagnet member. The booster cylinder 30 is provided with a second motion chamber 300, and the second piston member is at least partially inserted into the second motion chamber 300. The spring member 32 is installed in the second motion chamber 300 and contacts the second piston member. The electromagnet member is respectively installed on the booster cylinder 30 and the second piston member, and the movement speed of the second piston member is increased by the electromagnet member, and pre-pressure is provided for the liquid storage chamber 20.

[0050] Among them, reference Figure 3 As shown, the second piston member includes a booster piston 310, a liquid storage piston 311, and a third piston rod 312. The booster piston 310 is installed at the closed end of the second motion chamber 300, and the liquid storage piston 311 is installed at the open end of the second motion chamber 300. The outer periphery of the liquid storage piston 311 is in contact with the inner wall of the booster cylinder 30 to prevent the booster liquid from seeping into the second motion chamber 300. One end of the third piston rod 312 is fixedly connected to the booster piston 310, and the other end of the third piston rod 312 passes through the liquid storage piston 311.

[0051] Among them, reference Figure 3 As shown, the spring member 32 is sleeved on the third piston rod 312 and is located between the booster piston 310 and the liquid storage piston 311 , and both ends of the spring member 32 are in contact with the booster piston 310 and the liquid storage piston 311 respectively.

[0052] The outer circumference of the boosting piston 310 and the liquid storage piston 311 is larger than that of the third piston rod 312 and the spring member 32 , and the inner circumference of the spring member 32 is larger than that of the third piston rod 312 .

[0053] Among them, reference Figure 3 As shown, the electromagnet component includes a first magnet 330 and a second magnet 331. The first magnet 330 is installed on the booster piston 310 and is fixedly connected to the booster piston 310; the second magnet 331 is installed on the liquid storage piston 311 and is connected to the liquid storage piston 311; the wiring, installation method and installation position of the first magnet 330 and the second magnet 331 are set by the operator according to actual needs and costs.

[0054] Among them, during the forward stroke and the force-boosting stroke operation, the magnetic pole of the first magnet 330 faces one end of the second magnet 331, and the magnetic pole of the second magnet 331 faces one end of the first magnet 330, generating suction force, increasing the movement speed of the third piston rod 312, and providing pre-pressure for the liquid storage chamber 20.

[0055] Among them, during the return stroke operation, the magnetic pole of the first magnet 330 facing one end of the second magnet 331 is the same as the magnetic pole of the second magnet 331 facing one end of the first magnet 330, generating an attractive force to increase the movement speed of the third piston rod 312; specifically, the magnetic poles of the first magnet 330 and the second magnet 331 are set by the operator according to the actual installation position.

[0056] The control unit 4 is connected to the forward cylinder 10 , the working hydraulic cylinder 2 , and the booster cylinder 30 , respectively. The control unit 4 controls the gas-liquid booster cylinder to perform work.

[0057] Among them, reference Figure 3 As shown, the control unit 4 includes a control valve 40, a first speed regulating valve 41, a second speed regulating valve 42, a force stroke supply source 43, a third speed regulating valve 44, and a throttle valve 45. The two ends of the first speed regulating valve 41 are respectively connected to the first air port 101 and the control valve 40; the two ends of the second speed regulating valve 42 are respectively connected to the second air port 22 and the control valve 40; the force stroke supply source 43 is installed on the booster cylinder 30 and is connected to the second motion chamber 300; the two ends of the third speed regulating valve 44 are respectively connected to the force stroke supply source 43 and the second air port 22; the two ends of the throttle valve 45 are respectively connected to the force stroke supply source 43 and the first air port 101.

[0058] Preferably, the working principle of the gas-liquid booster cylinder is:

[0059] Rapid stroke: The second speed regulating valve 42 is opened to introduce compressed air into the first motion chamber 100 through the second air port 22. Under the action of the compressed air, the first piston 11 quickly moves toward the workpiece to be processed and collides with the workpiece to be processed. Since this rapid stroke is only pneumatic, it has the pneumatic characteristics of small force and high speed, that is, it realizes "soft and in place" contact with the workpiece, which can maximize the protection of the mold and product parts from damage.

[0060] Boosting stroke: After the first piston member 11 collides with the workpiece to be processed, the air pressure in the first air port 101 increases to open the throttle valve 45, and then opens through the third speed regulating valve 44, and the compressed air is introduced into the second motion chamber 300. The second piston member moves toward the first piston member 11 under the action of the compressed air. At the same time, the movement speed of the second piston member is increased through the cooperation of the first magnet 330 and the second magnet 331; and then according to the principle of force balance, the boosting liquid in the liquid storage chamber 20 is squeezed by the second piston member, so that the pressure of the boosting liquid is increased, and the high-pressure boosting liquid drives the first piston member 11 to achieve a large punching force output.

[0061] Return stroke: After the boost stroke is completed, the first speed regulating valve 41 is opened, and the compressed air is introduced into the first motion chamber 100 through the first air port 101. Under the action of the compressed air, the first piston member 11 moves toward the boost cylinder 30 to achieve a rapid return stroke; at the same time, the second piston member is driven to move toward the boost cylinder 30 by the spring member 32, and the cooperation between the first magnet 330 and the second magnet 331 increases the movement speed of the second piston member, thereby also achieving a rapid return stroke.

[0062] By adopting the above technical solution, through the setting of the first piston rod 111 and the second piston rod 112, that is, the double-supported piston rod design, the gas-liquid booster cylinder can be provided with safe, accurate and reliable operation; the setting of the buffer component 102 can reduce the working noise while providing buffering; through the setting of the spring component 32, the booster piston can be returned to the starting position, and the oil storage chamber can be pre-pressed, so that when the air circuit of the gas-liquid booster cylinder is closed, the booster liquid in the oil storage chamber can also ensure a certain pre-pressure, thereby ensuring that the gas-liquid booster cylinder can work reliably in any installation direction and position; in addition, the spring component 32 and the electromagnet component can reduce the air consumption of the gas-liquid booster cylinder during operation, that is, the gas-liquid booster cylinder piston returns to the starting position non-pneumatically, without consuming compressed air, which can reduce the energy consumption of the gas-liquid booster cylinder.

[0063] Reference Figure 4-Figure 5 As shown, one aspect of the present invention further provides a gas-liquid booster cylinder, which also includes a power generation device, and the power generation device includes a linear power generation unit and a permanent magnet component.

[0064] Wherein, the linear power generation unit is connected to the battery; Figure 5 As shown, the linear power generation unit includes a stator core 500 and a stator winding 502. The stator core 500 is installed on the forward cylinder body 10, and the length of the stator core 500 is set by the operator according to actual needs and costs to avoid interfering with the movement of the first piston rod 111, and the length of the stator core 500 is smaller than the maximum extension distance of the first piston rod 111; the stator core 500 is provided with winding slots 501, and a plurality of winding slots 501 are arranged in an array along the axial direction of the stator core 500; the number of the stator windings 502 matches the winding group slots, and the stator windings 502 are installed in the winding slots 501.

[0065] Among them, reference Figure 5 As shown, the permanent magnet component includes a mover yoke 510 and a mover pole 511. The mover yoke 510 is sleeved on the first piston rod 111, and the length of the mover yoke 510 is set by the operator according to actual needs and costs to avoid interfering with the movement of the first piston rod 111; the mover pole 511 is installed on the mover yoke 510, and several mover poles 511 are arranged in an array along the axial direction of the mover yoke 510; the mover yoke 510 and the mover pole 511 are driven to move by the first piston rod 111, and then the mechanical energy is converted into electrical energy through the cooperation of the mover pole 511 and the stator winding 502, and then the electrical energy is stored in the battery.

[0066] By adopting the above technical solution and setting up a power generation device, mechanical energy can be converted into electrical energy for storage when the first piston rod 111 moves, thereby further reducing the energy consumption of the gas-liquid booster cylinder; namely:

[0067] During the forward stroke, the movement of the first piston member 11 drives the permanent magnet member to move synchronously, and then the permanent magnet member cooperates with the linear power generation unit to perform the first power generation operation.

[0068] During the return stroke, the movement of the first piston member 11 drives the permanent magnet member to move synchronously, and then the permanent magnet member cooperates with the linear power generation unit to perform the second power generation operation.

[0069] Reference Figure 6-Figure 8 As shown, one aspect of the present invention further provides a gas-liquid booster cylinder, comprising:

[0070] The forward assembly further includes a first sealing unit and a second sealing unit 13 .

[0071] Among them, the first sealing unit includes a sealing ring and a driving member 125. The sealing ring is installed at the output end of the forward cylinder 10 and is connected to the air source; the sealing ring includes a stationary ring 120 and a rotating ring 121. The stationary ring 120 is provided with an air inlet 122 and an air groove 123. The air inlet 122 is connected to the air source for compressed air to be transported, and the air groove 123 is opened on the inner wall of the stationary ring 120; the rotating ring 121 is installed in the stationary ring 120 and is provided with air holes 124. Several air holes 124 are arranged in an array along the inner circumference of the rotating ring 121, and the air holes 124 are connected to the air groove 123; the driving member 125 is installed on the sealing ring and connected to the rotating ring 121. Compressed air is introduced into the air groove 123 through the air source, and then the rotating ring 121 is driven to rotate by the driving member 125, and the compressed air in the air groove 123 is ejected through the air holes 124 to form an air film, thereby forming a first sealing layer.

[0072] The second sealing unit 13 uses at least one sealing gasket, which contacts the third piston rod 312 , and forms a second sealing layer through the second sealing unit 13 .

[0073] By adopting the above technical solution, through the setting of the first sealing unit, the ejected compressed air is used to form an air film, and the air film is used to form a seal. At the same time, the ejection of compressed air can also prevent the boosting liquid from adhering to the surface of the first piston rod 111 and causing leakage, thereby reducing the pollution of the boosting liquid to the environment; through the setting of the second sealing unit 13, a contact gasket seal is used to further improve the sealing performance, and at the same time further prevent the boosting liquid from adhering to the surface of the first piston rod 111 and causing leakage, thereby reducing the pollution of the boosting liquid to the environment.

[0074] Reference Figure 1-Figure 5 、 Figure 9 、 Figure 10 As shown, one aspect of the present invention provides a method for operating a gas-liquid booster cylinder, using the gas-liquid booster cylinder, the method includes the following steps:

[0075] Step S1: Compressed air is introduced into the second air port 22 to drive the first piston 11 to move toward the workpiece to be processed, thereby causing the workpiece to be processed to come into contact with the workpiece.

[0076] In step S1, the gas-hydraulic booster cylinder performs a forward stroke.

[0077] Step S10: By opening the second speed control valve 42, compressed air is introduced into the first motion chamber 100 through the second air port 22. Under the action of the compressed air, the working piston 110 moves rapidly toward the direction of the workpiece to be processed. The working piston 110 drives the first piston rod 111 and the second piston rod 112 to move synchronously until the first piston rod 111 collides with the workpiece to be processed, so that the first piston rod 111 contacts the workpiece "softly in place", thereby protecting the mold and product parts from damage to the greatest extent.

[0078] Step S11: When the first piston rod 111 moves, the first piston rod 111 drives the mover pole 511 of the mover yoke 510 to move synchronously, and then the mover pole 511 moves between the stator winding 502 of the stator core 500 to generate electrical energy, performing the first power generation operation.

[0079] Step S12: The operator can set the following according to actual needs and costs: during the rapid movement of the first piston rod 111 toward the workpiece to be processed, after the first preset time or the preset distance, the first speed control valve 41 is opened for the second preset time, and the compressed air is introduced into the first motion chamber 100 through the first air port 101 for the second preset time to form a counter-buffered airflow, and the counter-buffered airflow is used to provide a movement buffer for the working piston 110, further reducing the damage caused by the contact between the first piston member 11 and the workpiece; wherein, the first preset time is less than the time when the first piston rod 111 conflicts with the workpiece to be processed, and the preset distance is less than the moving distance when the first piston rod 111 conflicts with the workpiece to be processed, and the second preset time is the time required for the first piston rod 111 to reach the workpiece to be processed after the first piston rod 111 moves the first preset time or the preset distance. Specifically, the first preset time, preset distance, and second preset time are set by the operator according to actual needs and costs.

[0080] Step S2: After the first piston member 11 collides with the workpiece to be processed, the second piston member is squeezed by compressed air to move toward the first piston member 11, and at the same time, the movement speed of the first piston member 11 is increased by the electromagnet member, and then the boosting liquid in the liquid storage chamber 20 is squeezed by the second piston member to form a high-pressure boosting liquid to drive the first piston member 11 to generate a boosting stroke.

[0081] In step S2, specifically, the boosting stroke of the gas-liquid boosting cylinder: after the first piston rod 111 collides with the workpiece to be processed, the air pressure in the first air port 101 increases to open the throttle valve 45, and then opens through the third speed regulating valve 44, and the compressed air is introduced into the second motion chamber 300. The boosting piston 310 moves toward the workpiece to be processed under the pressure of the compressed air, and the third piston rod 312 is driven to move synchronously by the boosting piston 310, and the third piston rod 312 passes through the liquid storage piston 311, and is at least partially inserted into the liquid storage chamber 20 to collide with the second piston rod 112. According to the force balance principle, the boosting liquid in the liquid storage chamber 20 is squeezed by the second piston member, so that the pressure of the boosting liquid is increased, and the high-pressure boosting liquid drives the first piston member 11 to achieve a large punching force output; at the same time, the first magnet 330 and the second magnet 331 are energized to generate suction, thereby increasing the movement speed of the third piston rod 312.

[0082] Step S3: By introducing compressed air into the first air port 101, the first piston member 11 is driven to move toward the booster cylinder 30 to reset the first piston member 11. At the same time, the second piston member is driven to move toward the booster cylinder 30 by the spring member 32 and the electromagnet member to quickly reset the second piston member.

[0083] In step S3, specifically, it is the return stroke of the gas-liquid booster cylinder: after completing the boost output of the workpiece to be processed, the first speed control valve 41 is opened, and the compressed air is introduced into the first motion chamber 100 through the first air port 101. The working piston 110 moves toward the booster cylinder body 30 under the action of the compressed air, and the working piston 110 drives the first piston rod 111 and the second piston rod 112 to move synchronously to achieve a rapid return stroke. When the first piston rod 111 moves, the movement of the first piston rod 111 drives the mover magnetic pole 511 of the mover magnetic yoke 510 to move synchronously, and then generates electrical energy through the movement between the mover magnetic pole 511 and the stator winding 502 of the stator core 500, and performs the second power generation operation.

[0084] At the same time, the spring member 32 drives the boosting piston 310 to reset, and the boosting piston 310 drives the third piston rod 312 to move synchronously, thereby also achieving a rapid return.

[0085] At the same time, the first magnet 330 and the second magnet 331 are energized to generate a repulsive force, thereby increasing the movement speed of the third piston rod 312 .

[0086] Among them, in this application, the operator can set the control module according to actual needs, and control the forward component, the force-enhancing component, the control unit 4, and the power generation device through the controller to perform the set work.

[0087] Reference Figure 1-Figure 3 、 Figure 11As shown, one aspect of the present invention further provides a working method of a gas-liquid booster cylinder, wherein the method for the second piston member to move toward the first piston member 11 is as follows:

[0088] Step S20: The booster piston 310 is squeezed by compressed air to move toward the workpiece to be processed, and the booster piston 310 drives the third piston rod 312 to move synchronously, and the third piston rod 312 passes through the liquid storage piston 311 and is at least partially inserted into the liquid storage chamber 20 to contact the second piston rod 112.

[0089] Step S21: by energizing the first magnet 330 and the second magnet 331 , the movement speed of the third piston rod 312 is increased, and then the boosting liquid in the liquid storage chamber 20 is squeezed by the third piston rod 312 to form a high-pressure boosting liquid.

[0090] In step S21, by energizing the first magnet 330 and the second magnet 331, the magnetic pole of the first magnet 330 facing one end of the second magnet 331 is opposite to the magnetic pole of the second magnet 331 facing one end of the first magnet 330, thereby generating suction, increasing the movement speed of the third piston rod 312, and at the same time providing additional force for the third piston rod 312 to squeeze the boosting liquid in the liquid storage chamber 20, thereby improving operating efficiency.

[0091] Step S22: providing a boost stroke to the working piston 110 through high-pressure boosting liquid to form a punching force output.

[0092] Among them, when the working piston 110 is squeezed by compressed air to move toward the booster cylinder 30, the working piston 110 drives the first and second piston rods 112 to move synchronously, the compression spring drives the booster piston 310 to reset, and the booster piston 310 drives the third piston rod 312 to move synchronously, the first magnet 330 and the second magnet 331 are energized, so that the magnetic pole of the first magnet 330 facing one end of the second magnet 331 is the same as the magnetic pole of the second magnet 331 facing one end of the first magnet 330, thereby generating a repulsive force, increasing the reset speed of the third piston rod 312, and improving working efficiency.

[0093] Reference Figure 6-Figure 8 , Figure 12 As shown, one aspect of the present invention further provides a method for operating a gas-liquid booster cylinder, wherein the method for moving the first piston rod 111 further includes the following steps:

[0094] Step S100: driving the sealing ring to rotate along a preset rotation direction at a preset speed via the driving member 125 .

[0095] Step S101: Compressed air is ejected through the air hole 124 to form an air film, which is used to form a seal. At the same time, the compressed air is ejected to prevent the boosting liquid from adhering to the surface of the first piston rod 111 and causing leakage, thereby reducing the pollution of the boosting liquid to the environment.

[0096] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Those skilled in the art will appreciate that other variations or modifications can be made based on the above description. It is not necessary and impossible to enumerate all implementation methods here. Obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. A gas-liquid booster cylinder, characterized in that: include: The forward assembly includes a forward cylinder body and a first piston member. The forward cylinder body defines a first motion chamber and a first air port. A buffer member is provided in the first motion chamber, and the first air port is connected to the first motion chamber. The first piston member is installed in the first motion chamber, and both ends of the first piston member pass through the forward cylinder body. A working hydraulic cylinder body is installed between the forward cylinder body and the booster cylinder body, and the working hydraulic cylinder body is provided with a liquid storage chamber, a liquid injection port, and a second air port. The liquid storage chamber stores booster liquid, the liquid injection port is connected to the liquid storage chamber, and the second air port is connected to the first movement chamber; The booster assembly includes a booster cylinder, a second piston, a spring, and an electromagnet. The booster cylinder defines a second motion chamber, the second piston is at least partially inserted into the second motion chamber, the spring is mounted in the second motion chamber and contacts the second piston. The electromagnet is mounted on the booster cylinder and the second piston, respectively, to increase the speed of the second piston and provide pre-pressure for the liquid storage chamber. as well as A control unit, which is connected to the forward cylinder, the working hydraulic cylinder, and the booster cylinder respectively; The first piston member includes a working piston, a first piston rod, and a second piston rod. The working piston is installed in the first motion chamber. One end of the first piston rod is fixedly connected to the working piston, and the other end of the first piston rod passes through the forward cylinder body. One end of the second piston rod is fixedly connected to the working piston, and the other end of the second piston rod is at least partially inserted into the liquid storage chamber. The forward assembly further includes a first sealing unit and a second sealing unit. The first sealing unit is installed at the output end of the forward cylinder body, and forms a first sealing layer through the first sealing unit. The second sealing unit is installed between the first movement chamber and the output end of the forward cylinder body, and contacts the first piston rod, and forms a second sealing layer through the second sealing unit. The first sealing unit includes a sealing ring and a driving member. The sealing ring is installed at the output end of the forward cylinder and is connected to the air source; the sealing ring includes a stationary ring and a rotating ring. The stationary ring is provided with an air inlet and an air groove. The air inlet is connected to the air source for compressed air to be transported, and the air groove is provided on the inner wall of the stationary ring; the rotating ring is installed in the stationary ring and is provided with air holes. Several air holes are arranged in an array along the inner circumference of the rotating ring, and the air holes are connected to the air groove; the driving member is installed on the sealing ring and connected to the rotating ring, and the compressed air is introduced into the air groove through the air source, and then the rotating ring is driven to rotate by the driving member, and the compressed air in the air groove is ejected through the air holes to form an air film, thereby forming a first sealing layer. At the same time, the ejection of compressed air is used to prevent the boosting liquid from adhering to the surface of the first piston rod to cause leakage, thereby reducing the pollution of the boosting liquid to the environment; the second sealing unit adopts at least one sealing gasket, and the sealing gasket conflicts with the third piston rod.

2. The gas-liquid booster cylinder according to claim 1, characterized in that: Control assembly, the second piston member includes a booster piston, a liquid storage piston, and a third piston rod. The booster piston and the liquid storage piston are respectively installed at the two ends of the second motion chamber, one end of the third piston rod is fixedly connected to the booster piston, and the other end of the third piston rod passes through the liquid storage piston and is at least partially inserted into the liquid storage chamber.

3. The gas-liquid booster cylinder according to claim 2, characterized in that: The outer circumferences of the boosting piston and the liquid storage piston are larger than the outer circumference of the third piston rod, and the liquid storage piston contacts the inner wall of the second motion chamber.

4. The gas-liquid booster cylinder according to claim 2, characterized in that: The spring member is sleeved on the third piston rod and located between the booster piston and the liquid storage piston. The outer circumference of the spring member is smaller than that of the booster piston and the liquid storage piston, and larger than that of the third piston rod.

5. The gas-liquid booster cylinder according to claim 2, characterized in that: The electromagnet component includes a first magnet and a second magnet. The first magnet is installed in the booster cylinder and fixedly connected to the booster cylinder; the second magnet is installed on the liquid storage piston and connected to the liquid storage piston. Through the cooperation of the first magnet and the second magnet, the movement speed of the third piston rod is increased and pre-pressure is provided for the liquid storage chamber.

6. The gas-liquid booster cylinder according to claim 2, characterized in that: It also includes a power generation device, which includes a linear power generation unit and a permanent magnet component. The linear power generation unit is installed at the output end of the forward cylinder and is connected to a battery. The permanent magnet component is sleeved on the first piston rod, and the permanent magnet component is driven to move by the first piston rod, and then the mechanical energy is converted into electrical energy through the cooperation of the permanent magnet component and the linear power generation unit.

7. The gas-liquid booster cylinder according to claim 6, characterized in that: The linear power generation unit includes a stator core and a stator winding. The stator core is installed in the forward cylinder and the booster cylinder, and is provided with winding slots. Several winding slots are arranged in an array along the axial direction of the stator core; the stator winding is installed in the winding slots.

8. The gas-liquid booster cylinder according to claim 7, characterized in that: The permanent magnet component includes a mover yoke and a mover pole. The mover yoke is sleeved on the first piston rod. The mover pole is installed on the mover yoke, and a plurality of mover poles are arranged in an array along the axial direction of the mover yoke.

9. The gas-liquid booster cylinder according to claim 5, characterized in that: The control unit includes a control valve, a first speed regulating valve, a second speed regulating valve, a force stroke supply source, a third speed regulating valve, and a throttle valve. The two ends of the first speed regulating valve are respectively connected to the first air port and the control valve; the two ends of the second speed regulating valve are respectively connected to the second air port and the control valve; the force stroke supply source is installed on the booster cylinder body and is connected to the second motion chamber; the two ends of the third speed regulating valve are respectively connected to the force stroke supply source and the second air port; the two ends of the throttle valve are respectively connected to the force stroke supply source and the first air port.

10. A method for operating a gas-liquid booster cylinder, using a gas-liquid booster cylinder according to any one of claims 1 to 9, characterized in that: The method comprises the following steps: Step S1: introducing compressed air into the second air port to drive the first piston to move toward the workpiece to be processed, thereby causing the workpiece to come into contact with the workpiece; Step S2: After the first piston member contacts the workpiece to be processed, the second piston member is squeezed by compressed air to move toward the first piston member. At the same time, the electromagnet member increases the movement speed of the first piston member, and then the second piston member squeezes the boosting liquid in the liquid storage chamber to generate high-pressure boosting liquid that drives the first piston member to generate a boosting stroke; Step S3: By introducing compressed air into the first air port, the first piston member is driven to move toward the booster cylinder body to reset the first piston member. At the same time, the second piston member is driven to move toward the booster cylinder body by the spring member and the electromagnet member to quickly reset the second piston member.

11. The method for operating a gas-liquid booster cylinder according to claim 10, characterized in that: The method of driving the first piston member to move toward the workpiece to be processed is: Step S10: Compressed air is introduced into the second air port to drive the working piston to drive the first piston rod to move toward the workpiece to be processed, and the working piston drives the second piston rod to move synchronously; Step S11: When the first piston rod moves, the first piston rod drives the mover magnetic poles of the mover magnetic yoke to move synchronously, and then the mover magnetic poles move between the stator windings of the stator core to generate electrical energy; Step S12: When the first piston rod moves a preset distance, compressed air is introduced into the first air port for a preset time to provide movement buffer for the working piston.

12. The method for operating a gas-liquid booster cylinder according to claim 10, characterized in that: The method for the second piston member to move toward the first piston member is: Step S20: Compressing the booster piston with compressed air to move it toward the workpiece to be processed, and driving the third piston rod to move synchronously with the booster piston, so that the third piston rod passes through the liquid storage piston and is at least partially inserted into the liquid storage chamber to contact the second piston rod; Step S21: by energizing the first magnet and the second magnet, the movement speed of the third piston rod is increased, and the boosting liquid in the liquid storage chamber is squeezed by the third piston rod to form a high-pressure boosting liquid; Step S22: providing a boost stroke for the working piston through high-pressure boosting liquid to form a punching force output.

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