Oil cylinder auxiliary integrated valve group

Abstract

The utility model discloses an oil cylinder auxiliary integrated valve group which comprises a valve block, a conveying control module and a synchronous control module. An oil port A1, an oil port A2, an oil port B1, an oil port B2, an oil port P and an oil port T are formed in the valve block, the oil port A1 and the oil port A2 are used for being connected with the rodless cavity end of the oil cylinder, and the oil port B1 and the oil port B2 are used for being connected with the rod cavity end of the oil cylinder; the conveying control module is used for controlling hydraulic oil to be conveyed to the synchronous control module; the synchronous control module is used for controlling the two oil cylinders to act synchronously. According to the utility model, multiple groups of executive components can be controlled, and the action of the executive components can be controlled more accurately; according to the plug-in mounting type design, it is guaranteed that the structure is compact, the size is small, and the occupied space is small, in addition, by means of the proportional overflow valve and the flow distributing and collecting valve, flow and pressure can be more accurately controlled, moving parts can be accurately controlled, clients have better control experience, the flow and the pressure are accurately controlled, and effective control and protection of hydraulic equipment are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve group technical field, especially a kind of auxiliary integrated valve group of oil cylinder. BACKGROUND

[0002] In prior art, oil cylinder integrated valve group adopts ordinary overflow valve, and the precision of pressure adjustment is not high when the mode of pressure adjustment is cumbersome;The synchronization performance when controlling the action of two groups of oil cylinders is not good, and the effect of accurately controlling execution element cannot be achieved;And the valve group design is bulky, heavy in quality, increases material cost, and affects the appearance. SUMMARY

[0003] According to the utility model embodiment, an auxiliary integrated valve group of oil cylinder is provided, comprising: valve block, conveying control module and synchronization control module;

[0004] A1 oil port, A2 oil port, B1 oil port, B2 oil port, P oil port and T oil port are arranged on the valve block, A1 oil port and A2 oil port are used to connect the rodless cavity end of oil cylinder, B1 oil port and B2 oil port are used to connect the rod cavity end of oil cylinder;

[0005] Conveying control module is connected with P oil port, T oil port and synchronization control module, and conveying control module is used to control hydraulic oil conveying to synchronization control module;

[0006] Synchronization control module is arranged on the valve block, and is connected with A1 oil port, A2 oil port, B1 oil port, B2 oil port, P oil port and T oil port, and synchronization control module is used to control the synchronous action of two groups of oil cylinders.

[0007] Further, conveying control module comprises: a pair of first solenoid valves and a pair of check valves;

[0008] A pair of first solenoid valves and a pair of check valves are arranged on the valve block;

[0009] A pair of first solenoid valves are arranged on the valve block, and the oil inlet of a pair of first solenoid valves is connected with P oil port, and the oil return port of a pair of first solenoid valves is connected with T oil port;

[0010] A pair of check valves are arranged on the valve block, the input end of a pair of check valves is connected with the working oil port of a pair of first solenoid valves, and the output end of a pair of check valves is connected, and is connected with synchronization control module.

[0011] Further, conveying control module further comprises: proportional overflow valve, proportional overflow valve is arranged on the valve block, and the two ends of proportional overflow valve are connected with T oil port and the output end of a pair of check valves respectively.

[0012] Further, a pair of standby oil ports are further arranged on the valve block, and the input end of one of the check valves and the output end of a pair of check valves are connected with a pair of standby oil ports respectively.

[0013] Further, the synchronization control module comprises a second electromagnetic valve, a flow dividing and collecting valve and a pair of switch valves.

[0014] The second electromagnetic valve, the flow dividing and collecting valve and the pair of switch valves are arranged on the valve block.

[0015] The oil inlet of the second electromagnetic valve is connected with the output end of the delivery control module, the oil return of the second electromagnetic valve is connected with the T oil port, and the first working oil port of the second electromagnetic valve is connected with the B1 oil port and the B2 oil port.

[0016] The input end of the flow dividing and collecting valve is connected with the second working oil port of the second electromagnetic valve, the two output ends of the flow dividing and collecting valve are respectively connected with the pair of switch valves, and the pair of switch valves are respectively connected with the A1 oil port and the A2 oil port.

[0017] Further, the synchronization control module comprises a second electromagnetic valve, a flow dividing and collecting valve and a pair of switch valves.

[0018] Further, the synchronization control module comprises a second electromagnetic valve, a flow dividing and collecting valve and a pair of switch valves.

[0019] Further, the valve block is further provided with a pressure measuring connector connected with the P oil port.

[0020] Further, the valve block is further provided with four threaded holes arranged on the same face of the valve block and located at four corners of the same face.

[0021] The oil cylinder auxiliary integrated valve group can control multiple groups of execution elements, can more accurately control the action of the execution elements, guarantees compact structure, small size and small space occupation, makes the valve group more convenient to install, repair or clean, in addition, the proportional overflow valve and the flow dividing and collecting valve can more accurately control the flow and the pressure, the movement part is accurately controlled, the customer has better control experience, and the flow and the pressure are accurately controlled, effective control and protection of the hydraulic equipment are realized.

[0022] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the subject technology claimed. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1A front view of the auxiliary integrated valve group of the oil cylinder according to the embodiment of the present application;

[0024] Figure 2 A top view of the auxiliary integrated valve group of the oil cylinder according to the embodiment of the present application;

[0025] Figure 3 A bottom view of the auxiliary integrated valve group of the oil cylinder according to the embodiment of the present application;

[0026] Figure 4 A left view of the auxiliary integrated valve group of the oil cylinder according to the embodiment of the present application;

[0027] Figure 5 A right view of the auxiliary integrated valve group of the oil cylinder according to the embodiment of the present application;

[0028] Figure 6 A rear view of the auxiliary integrated valve group of the oil cylinder according to the embodiment of the present application;

[0029] Figure 7 A hydraulic principle diagram of the auxiliary integrated valve group of the oil cylinder according to the embodiment of the present application. DETAILED DESCRIPTION

[0030] The preferred embodiments of the present application will be described in detail below with reference to the accompanying drawings, and the present application will be further described.

[0031] Firstly, the auxiliary integrated valve of the oil cylinder according to the embodiment of the present application will be described in combination with Figures 1-7 the application scenarios are very wide.

[0032] As shown in Figures 1-7 the auxiliary integrated valve group of the oil cylinder according to the embodiment of the present application comprises a valve block 1, a delivery control module and a synchronous control module.

[0033] Specifically, as shown in Figures 1-7 in the embodiment, A1 oil port, A2 oil port, B1 oil port, B2 oil port, P oil port and T oil port are arranged on the valve block 1, the A1 oil port and the A2 oil port are used for connecting the rodless cavity end of the oil cylinder, the B1 oil port and the B2 oil port are used for connecting the rod cavity end of the oil cylinder, the A1 oil port and the A2 oil port are respectively connected to the rodless cavity end of two groups of oil cylinders, the B1 oil port and the B2 oil port are respectively connected to the rod cavity end of two groups of oil cylinders, the synchronous control module is used for controlling the synchronous action of the two groups of oil cylinders, the P oil port is connected to the pump outlet outside, and the T oil port is connected to the oil tank outside; the delivery control module is connected with the P oil port, the T oil port and the synchronous control module, and the delivery control module is used for controlling the delivery of the hydraulic oil to the synchronous control module; the synchronous control module is arranged on the valve block 1 and connected with the A1 oil port, the A2 oil port, the B1 oil port, the B2 oil port, the P oil port and the T oil port, and the synchronous control module is used for controlling the synchronous action of the two groups of oil cylinders.

[0034] Specifically, such as Figures 1-7 As shown, in this embodiment, the conveying control module includes: a pair of first solenoid valves 4 and a pair of check valves 3; both the pair of first solenoid valves 4 and the pair of check valves 3 are mounted on the valve block 1; the pair of first solenoid valves 4 are mounted on the valve block 1, the oil inlet ports of the pair of first solenoid valves 4 are connected to the P oil port, and the oil return ports of the pair of first solenoid valves 4 are connected to the T oil port; the pair of check valves 3 are mounted on the valve block 1, the input end of the pair of check valves 3 is connected to the working oil port of the pair of first solenoid valves 4, the output end of the pair of check valves 3 is connected to and connected to the synchronous control module, the first solenoid valves 4 are two-position four-way solenoid valves, the flow of hydraulic oil is controlled by the energization of the first solenoid valves 4, and the check valves 3 ensure unidirectional flow of hydraulic oil.

[0035] Furthermore, such as Figures 1-7 As shown, in this embodiment, the conveying control module also includes a proportional relief valve 8, which is mounted on the valve block 1. The two ends of the proportional relief valve 8 are connected to the T-port and the output ends of a pair of check valves 3, respectively. The proportional relief valve 8 can control the flow rate and pressure more precisely.

[0036] Furthermore, such as Figures 1-7 As shown, in this embodiment, the valve block 1 is also provided with a pair of spare oil ports B and C, which are respectively connected to the input end of one of the check valves 3 and the output end of the pair of check valves 3.

[0037] Furthermore, such as Figures 1-7 As shown, in this embodiment, the synchronous control module includes: a second solenoid valve 6, a flow divider / combiner valve 2, and a pair of switching valves 7; the second solenoid valve 6, the flow divider / combiner valve 2, and the pair of switching valves 7 are mounted on the valve block 1; the oil inlet of the second solenoid valve 6 is connected to the output end of the delivery control module, the oil return port of the second solenoid valve 6 is connected to the T port, and the first working port of the second solenoid valve 6 is connected to the B1 port and the B2 port; the input end of the flow divider / combiner valve 2 is connected to the second working port of the second solenoid valve 6, and the two output ends of the flow divider / combiner valve 2 are respectively connected to the pair of switching valves 7, and the pair of switching valves 7 are respectively connected to the A1 port and the A2 port. The second solenoid valve 6 is a three-position four-way solenoid valve with Y-type function, which controls the reversal of hydraulic oil to control the extension and retraction of the cylinder piston rod. The oil flows from the flow divider / combiner valve 2 to the cylinder, resulting in better synchronization. The two switching valves 7 can control the start and stop of the cylinder at any time, making it easier to realize the action of the actuator. The switching valves 7 are two-position two-way solenoid valves.

[0038] Furthermore, such as Figures 1-7As shown, in this embodiment, it further includes: a third solenoid valve 10, which is disposed on a valve block 1. The valve block 1 is also provided with an A3 oil port and a B3 oil port. The oil inlet of the third solenoid valve 10 is connected to the output end of the conveying control module. The oil return port of the third solenoid valve 10 is connected to the T oil port. The two working oil ports of the third solenoid valve 10 are respectively connected to the A3 oil port and the B3 oil port. The third solenoid valve 10 is a Y-type three-position four-way solenoid valve. The A3 oil port and the B3 oil port are respectively connected to the rodless chamber end and the rod chamber end of a set of oil cylinders.

[0039] Furthermore, such as Figures 1-7 As shown, in this embodiment, it further includes: a fourth solenoid valve 5, which is disposed on the valve block 1. The valve block 1 is also provided with an A4 oil port and a B4 oil port. The oil inlet of the fourth solenoid valve 5 is connected to the output end of the conveying control module, the oil return port of the fourth solenoid valve 5 is connected to the T oil port, and the two working oil ports of the fourth solenoid valve 5 are respectively connected to the A4 oil port and the B4 oil port. The fourth solenoid valve 5 is a three-position four-way solenoid valve with O-type function. By selecting different functions of the third solenoid valve 10 and the fourth solenoid valve 5, it can be adapted to different actuators and different application scenarios.

[0040] Furthermore, such as Figures 1-7 As shown, in this embodiment, the valve block 1 is also provided with a pressure testing connector 9, which is connected to the P oil port to facilitate real-time monitoring of the system oil pressure.

[0041] Furthermore, such as Figures 1-7 As shown, in this embodiment, the valve block 1 is also provided with four threaded holes 11. The four threaded holes 11 are located on the same side of the valve block 1 and are respectively located at the four corners of the same side. The valve assembly is installed and fixed in a reliable position using M10 threaded holes 11.

[0042] Specifically, in this embodiment, the valve block 1 is rectangular in shape and made of cast iron with a nickel-plated surface. This not only enhances the surface's rust and corrosion resistance but also increases the integrated block's strength, makes material processing easy, shortens processing time, improves efficiency, and greatly saves costs. All valves are inserted into the valve block 1, ensuring a compact structure, small size, and minimal space occupation. The valve block 1 has opposing first and second sides, opposing first and second end faces, as well as a top and bottom surface. A pair of check valves 3, A1 port, A2 port, A3 port, A4 port, B1 port, B2 port, B3 port, B4 port, and B port are all located on the first side. P port, T port, and C port are all located on the first end face. A pair of first solenoid valves 4, second solenoid valves 6, third solenoid valves 10, and fourth solenoid valves 5 are all located on the top surface. Four threaded holes 11 are located on the bottom surface. A flow divider / combiner valve 2 is located on the second end face. A switch valve 7 and a proportional relief valve 8 are located on the second side.

[0043] Working principle: the valve group can control four groups of oil cylinder actions, the extension and retraction of the oil cylinder piston rod is controlled through the electromagnetic valve, two groups of oil cylinders can be realized synchronous action through the shunt and current collection valve 2, and the synchronous action of the oil cylinder can be stopped or re-acted again through the two-position two-way electromagnetic valve (switch valve 7). A1, A2, A3, A4 are connected with the rodless cavity of the oil cylinder; B1, B2, B3, B4 are connected with the rod cavity of the oil cylinder; T is connected with the oil tank; P is connected with the pump outlet; B, C oil ports can be used as backup. Working principle: the first electromagnetic valve 4 is powered, passes through the one-way valve 3 to the second electromagnetic valve 6, the proportional overflow valve 8 (precise control of the pressure and flow of the system), the right end of the second electromagnetic valve 6 (the electromagnetic valve at A1, A2 port) is powered, the oil flows from the shunt and current collection valve 2 (control the synchronous action of the oil cylinder) to A1, A2 (synchronous oil cylinder, only control A1, A2 oil cylinder piston rod synchronous top out) through the switch valve 7 (control the oil cylinder to stop or re-act), the oil cylinder piston rod is pushed out, the left end of the second electromagnetic valve 6 (the electromagnetic valve at A1, A2 port) is powered, and the oil cylinder piston rod is retracted; the right end of the third electromagnetic valve 10 (the electromagnetic valve at A3 port) is powered, the oil cylinder piston rod is pushed out, the left end of the third electromagnetic valve 10 (the electromagnetic valve at A3 port) is powered, the oil cylinder piston rod is retracted; the right end of the fourth electromagnetic valve 5 is powered, the oil cylinder piston rod is pushed out, the left end of the fourth electromagnetic valve 5 is powered, and the oil cylinder piston rod is retracted. The rated flow of the valve group is 60L / min, and the rated pressure is 350bar.

[0044] The above, with reference to Figures 1-7 The oil cylinder auxiliary integrated valve group according to the embodiment of the utility model is described, can control multiple execution elements, can control the action of the execution element more accurately; the design of plug-in type guarantees compact structure, small size, small space occupation, so that the valve group becomes more convenient when installing, repairing or cleaning; in addition, the proportional overflow valve and the shunt and current collection valve can control the flow and pressure more accurately, so that the movement part has accurate control, and customers have better control experience, and accurate control of the flow and pressure realizes effective control and protection of the hydraulic equipment.

[0045] It should be noted that in the specification, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that processes, methods, articles or devices including a series of elements not only include those elements, but also include other elements not explicitly listed, or further include elements inherent to such processes, methods, articles or devices. Without more limitations, the elements defined by the statement "include" do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0046] Although the content of the utility model has been introduced in detail through the above preferred embodiments, it should be recognized that the above description should not be considered as a limitation of the utility model. After reading the above content, various modifications and substitutions of the utility model will be obvious to those skilled in the art. Therefore, the protection scope of the utility model should be limited by the attached claims.

Claims

1. An oil cylinder assisted integrated valve group, characterized by, The valve block, the delivery control module and the synchronization control module are included. A1 oil port, A2 oil port, B1 oil port, B2 oil port, P oil port and T oil port are arranged on the valve block, the A1 oil port and the A2 oil port are used for connecting the rodless cavity end of the oil cylinder, the B1 oil port and the B2 oil port are used for connecting the rod cavity end of the oil cylinder. The delivery control module is connected with the P oil port, the T oil port and the synchronization control module, and is used for controlling the delivery of hydraulic oil to the synchronization control module. The synchronization control module is arranged on the valve block and connected with the A1 oil port, the A2 oil port, the B1 oil port, the B2 oil port, the P oil port and the T oil port, and is used for controlling the synchronization action of two groups of oil cylinders.

2. The rod-assisted integrated valve package of claim 1, wherein, The delivery control module includes a pair of first electromagnetic valves and a pair of one-way valves. The pair of first electromagnetic valves and the pair of one-way valves are arranged on the valve block. The pair of first electromagnetic valves are arranged on the valve block, the oil inlet of the pair of first electromagnetic valves is connected with the P oil port, and the oil return of the pair of first electromagnetic valves is connected with the T oil port. The pair of one-way valves are arranged on the valve block, the input end of the pair of one-way valves is connected with the working oil port of the pair of first electromagnetic valves, and the output end of the pair of one-way valves is connected.

3. The integrated valve package with ram assist according to claim 2, wherein, The delivery control module further includes a proportional overflow valve, the proportional overflow valve is arranged on the valve block, and the two ends of the proportional overflow valve are connected with the T oil port and the output end of the pair of one-way valves respectively.

4. The integrated valve package with ram assist according to claim 2, wherein, A pair of standby oil ports are further arranged on the valve block, and the input end of one of the pair of one-way valves and the output end of the pair of one-way valves are connected with the pair of standby oil ports respectively.

5. The auxiliary integrated valve package for a rod cylinder according to any one of claims 1 to 4, characterized in that The synchronization control module includes a second electromagnetic valve, a shunt valve and a pair of switch valves. The second electromagnetic valve, the shunt valve and the pair of switch valves are arranged on the valve block. The oil inlet of the second electromagnetic valve is connected with the output end of the delivery control module, the oil return of the second electromagnetic valve is connected with the T oil port, and the first working oil port of the second electromagnetic valve is connected with the B1 oil port and the B2 oil port. The input end of the shunt valve is connected with the second working oil port of the second electromagnetic valve, the two output ends of the shunt valve are connected with the pair of switch valves respectively, and the pair of switch valves are connected with the A1 oil port and the A2 oil port respectively.

6. The rod-assisted integrated valve package of claim 1, wherein, A third electromagnetic valve is further included, the third electromagnetic valve is arranged on the valve block, A3 oil port and B3 oil port are further arranged on the valve block, the oil inlet of the third electromagnetic valve is connected with the output end of the delivery control module, the oil return of the third electromagnetic valve is connected with the T oil port, and the two working oil ports of the third electromagnetic valve are connected with the A3 oil port and the B3 oil port respectively.

7. The ram-assisted integrated valve package of claim 1, wherein, Further comprise: fourth solenoid valve, the fourth solenoid valve is arranged on the valve block, the valve block is further provided with A4 oil port and B4 oil port, the oil inlet of the fourth solenoid valve is connected with the output end of the delivery control module, the oil return port of the fourth solenoid valve is connected with the T oil port, and the two working oil ports of the fourth solenoid valve are connected with the A4 oil port and the B4 oil port respectively.

8. The ram-assisted integrated valve package of claim 1, wherein, The valve block is further provided with a pressure measuring connector, and the pressure measuring connector is connected with the P oil port.

9. The ram-assisted integrated valve package of claim 1, wherein, The valve block is further provided with four threaded holes, the four threaded holes are arranged on the same face of the valve block, and are located at four corners of the same face respectively.

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